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stringclasses 2
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stringlengths 40
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FFmpeg | e6c90ce94f1b07f50cea2babf7471af455cca0ff | 0 | static av_always_inline void h264_filter_mb_fast_internal(H264Context *h,
H264SliceContext *sl,
int mb_x, int mb_y,
uint8_t *img_y,
uint8_t *img_cb,
uint8_t *img_cr,
unsigned int linesize,
unsigned int uvlinesize,
int pixel_shift)
{
int chroma = !(CONFIG_GRAY && (h->flags&CODEC_FLAG_GRAY));
int chroma444 = CHROMA444(h);
int chroma422 = CHROMA422(h);
int mb_xy = h->mb_xy;
int left_type = sl->left_type[LTOP];
int top_type = sl->top_type;
int qp_bd_offset = 6 * (h->sps.bit_depth_luma - 8);
int a = 52 + h->slice_alpha_c0_offset - qp_bd_offset;
int b = 52 + h->slice_beta_offset - qp_bd_offset;
int mb_type = h->cur_pic.mb_type[mb_xy];
int qp = h->cur_pic.qscale_table[mb_xy];
int qp0 = h->cur_pic.qscale_table[mb_xy - 1];
int qp1 = h->cur_pic.qscale_table[sl->top_mb_xy];
int qpc = get_chroma_qp( h, 0, qp );
int qpc0 = get_chroma_qp( h, 0, qp0 );
int qpc1 = get_chroma_qp( h, 0, qp1 );
qp0 = (qp + qp0 + 1) >> 1;
qp1 = (qp + qp1 + 1) >> 1;
qpc0 = (qpc + qpc0 + 1) >> 1;
qpc1 = (qpc + qpc1 + 1) >> 1;
if( IS_INTRA(mb_type) ) {
static const int16_t bS4[4] = {4,4,4,4};
static const int16_t bS3[4] = {3,3,3,3};
const int16_t *bSH = FIELD_PICTURE(h) ? bS3 : bS4;
if(left_type)
filter_mb_edgev( &img_y[4*0<<pixel_shift], linesize, bS4, qp0, a, b, h, 1);
if( IS_8x8DCT(mb_type) ) {
filter_mb_edgev( &img_y[4*2<<pixel_shift], linesize, bS3, qp, a, b, h, 0);
if(top_type){
filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, a, b, h, 1);
}
filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, a, b, h, 0);
} else {
filter_mb_edgev( &img_y[4*1<<pixel_shift], linesize, bS3, qp, a, b, h, 0);
filter_mb_edgev( &img_y[4*2<<pixel_shift], linesize, bS3, qp, a, b, h, 0);
filter_mb_edgev( &img_y[4*3<<pixel_shift], linesize, bS3, qp, a, b, h, 0);
if(top_type){
filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, a, b, h, 1);
}
filter_mb_edgeh( &img_y[4*1*linesize], linesize, bS3, qp, a, b, h, 0);
filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, a, b, h, 0);
filter_mb_edgeh( &img_y[4*3*linesize], linesize, bS3, qp, a, b, h, 0);
}
if(chroma){
if(chroma444){
if(left_type){
filter_mb_edgev( &img_cb[4*0<<pixel_shift], linesize, bS4, qpc0, a, b, h, 1);
filter_mb_edgev( &img_cr[4*0<<pixel_shift], linesize, bS4, qpc0, a, b, h, 1);
}
if( IS_8x8DCT(mb_type) ) {
filter_mb_edgev( &img_cb[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
filter_mb_edgev( &img_cr[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
if(top_type){
filter_mb_edgeh( &img_cb[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1 );
filter_mb_edgeh( &img_cr[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1 );
}
filter_mb_edgeh( &img_cb[4*2*linesize], linesize, bS3, qpc, a, b, h, 0);
filter_mb_edgeh( &img_cr[4*2*linesize], linesize, bS3, qpc, a, b, h, 0);
} else {
filter_mb_edgev( &img_cb[4*1<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
filter_mb_edgev( &img_cr[4*1<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
filter_mb_edgev( &img_cb[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
filter_mb_edgev( &img_cr[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
filter_mb_edgev( &img_cb[4*3<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
filter_mb_edgev( &img_cr[4*3<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
if(top_type){
filter_mb_edgeh( &img_cb[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1);
filter_mb_edgeh( &img_cr[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1);
}
filter_mb_edgeh( &img_cb[4*1*linesize], linesize, bS3, qpc, a, b, h, 0);
filter_mb_edgeh( &img_cr[4*1*linesize], linesize, bS3, qpc, a, b, h, 0);
filter_mb_edgeh( &img_cb[4*2*linesize], linesize, bS3, qpc, a, b, h, 0);
filter_mb_edgeh( &img_cr[4*2*linesize], linesize, bS3, qpc, a, b, h, 0);
filter_mb_edgeh( &img_cb[4*3*linesize], linesize, bS3, qpc, a, b, h, 0);
filter_mb_edgeh( &img_cr[4*3*linesize], linesize, bS3, qpc, a, b, h, 0);
}
}else if(chroma422){
if(left_type){
filter_mb_edgecv(&img_cb[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1);
filter_mb_edgecv(&img_cr[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1);
}
filter_mb_edgecv(&img_cb[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0);
filter_mb_edgecv(&img_cr[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0);
if(top_type){
filter_mb_edgech(&img_cb[4*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1);
filter_mb_edgech(&img_cr[4*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1);
}
filter_mb_edgech(&img_cb[4*1*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
filter_mb_edgech(&img_cr[4*1*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
filter_mb_edgech(&img_cb[4*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
filter_mb_edgech(&img_cr[4*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
filter_mb_edgech(&img_cb[4*3*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
filter_mb_edgech(&img_cr[4*3*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
}else{
if(left_type){
filter_mb_edgecv( &img_cb[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1);
filter_mb_edgecv( &img_cr[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1);
}
filter_mb_edgecv( &img_cb[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0);
filter_mb_edgecv( &img_cr[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0);
if(top_type){
filter_mb_edgech( &img_cb[2*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1);
filter_mb_edgech( &img_cr[2*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1);
}
filter_mb_edgech( &img_cb[2*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
filter_mb_edgech( &img_cr[2*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
}
}
return;
} else {
LOCAL_ALIGNED_8(int16_t, bS, [2], [4][4]);
int edges;
if( IS_8x8DCT(mb_type) && (sl->cbp&7) == 7 && !chroma444 ) {
edges = 4;
AV_WN64A(bS[0][0], 0x0002000200020002ULL);
AV_WN64A(bS[0][2], 0x0002000200020002ULL);
AV_WN64A(bS[1][0], 0x0002000200020002ULL);
AV_WN64A(bS[1][2], 0x0002000200020002ULL);
} else {
int mask_edge1 = (3*(((5*mb_type)>>5)&1)) | (mb_type>>4); //(mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16)) ? 3 : (mb_type & MB_TYPE_16x8) ? 1 : 0;
int mask_edge0 = 3*((mask_edge1>>1) & ((5*left_type)>>5)&1); // (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16)) && (h->left_type[LTOP] & (MB_TYPE_16x16 | MB_TYPE_8x16)) ? 3 : 0;
int step = 1+(mb_type>>24); //IS_8x8DCT(mb_type) ? 2 : 1;
edges = 4 - 3*((mb_type>>3) & !(sl->cbp & 15)); //(mb_type & MB_TYPE_16x16) && !(h->cbp & 15) ? 1 : 4;
h->h264dsp.h264_loop_filter_strength(bS, sl->non_zero_count_cache, sl->ref_cache, sl->mv_cache,
sl->list_count==2, edges, step, mask_edge0, mask_edge1, FIELD_PICTURE(h));
}
if( IS_INTRA(left_type) )
AV_WN64A(bS[0][0], 0x0004000400040004ULL);
if( IS_INTRA(top_type) )
AV_WN64A(bS[1][0], FIELD_PICTURE(h) ? 0x0003000300030003ULL : 0x0004000400040004ULL);
#define FILTER(hv,dir,edge,intra)\
if(AV_RN64A(bS[dir][edge])) { \
filter_mb_edge##hv( &img_y[4*edge*(dir?linesize:1<<pixel_shift)], linesize, bS[dir][edge], edge ? qp : qp##dir, a, b, h, intra );\
if(chroma){\
if(chroma444){\
filter_mb_edge##hv( &img_cb[4*edge*(dir?linesize:1<<pixel_shift)], linesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\
filter_mb_edge##hv( &img_cr[4*edge*(dir?linesize:1<<pixel_shift)], linesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\
} else if(!(edge&1)) {\
filter_mb_edgec##hv( &img_cb[2*edge*(dir?uvlinesize:1<<pixel_shift)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\
filter_mb_edgec##hv( &img_cr[2*edge*(dir?uvlinesize:1<<pixel_shift)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\
}\
}\
}
if(left_type)
FILTER(v,0,0,1);
if( edges == 1 ) {
if(top_type)
FILTER(h,1,0,1);
} else if( IS_8x8DCT(mb_type) ) {
FILTER(v,0,2,0);
if(top_type)
FILTER(h,1,0,1);
FILTER(h,1,2,0);
} else {
FILTER(v,0,1,0);
FILTER(v,0,2,0);
FILTER(v,0,3,0);
if(top_type)
FILTER(h,1,0,1);
FILTER(h,1,1,0);
FILTER(h,1,2,0);
FILTER(h,1,3,0);
}
#undef FILTER
}
}
| 26,125 |
qemu | fd56e0612b6454a282fa6a953fdb09281a98c589 | 0 | static void pxb_pcie_dev_realize(PCIDevice *dev, Error **errp)
{
if (!pci_bus_is_express(dev->bus)) {
error_setg(errp, "pxb-pcie devices cannot reside on a PCI bus");
return;
}
pxb_dev_realize_common(dev, true, errp);
}
| 26,126 |
qemu | 185698715dfb18c82ad2a5dbc169908602d43e81 | 0 | static int float64_is_unordered(int sig, float64 a, float64 b STATUS_PARAM)
{
if (float64_is_signaling_nan(a) ||
float64_is_signaling_nan(b) ||
(sig && (float64_is_nan(a) || float64_is_nan(b)))) {
float_raise(float_flag_invalid, status);
return 1;
} else if (float64_is_nan(a) || float64_is_nan(b)) {
return 1;
} else {
return 0;
}
}
| 26,127 |
qemu | b3db211f3c80bb996a704d665fe275619f728bd4 | 0 | static void qmp_input_type_str(Visitor *v, const char *name, char **obj,
Error **errp)
{
QmpInputVisitor *qiv = to_qiv(v);
QObject *qobj = qmp_input_get_object(qiv, name, true, errp);
QString *qstr;
*obj = NULL;
if (!qobj) {
return;
}
qstr = qobject_to_qstring(qobj);
if (!qstr) {
error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name ? name : "null",
"string");
return;
}
*obj = g_strdup(qstring_get_str(qstr));
}
| 26,128 |
qemu | 48a402e693cbea9582472159931aa6799a6c80c7 | 0 | static int curl_open(BlockDriverState *bs, const char *filename, int flags)
{
BDRVCURLState *s = bs->opaque;
CURLState *state = NULL;
double d;
#define RA_OPTSTR ":readahead="
char *file;
char *ra;
const char *ra_val;
int parse_state = 0;
static int inited = 0;
file = strdup(filename);
s->readahead_size = READ_AHEAD_SIZE;
/* Parse a trailing ":readahead=#:" param, if present. */
ra = file + strlen(file) - 1;
while (ra >= file) {
if (parse_state == 0) {
if (*ra == ':')
parse_state++;
else
break;
} else if (parse_state == 1) {
if (*ra > '9' || *ra < '0') {
char *opt_start = ra - strlen(RA_OPTSTR) + 1;
if (opt_start > file &&
strncmp(opt_start, RA_OPTSTR, strlen(RA_OPTSTR)) == 0) {
ra_val = ra + 1;
ra -= strlen(RA_OPTSTR) - 1;
*ra = '\0';
s->readahead_size = atoi(ra_val);
break;
} else {
break;
}
}
}
ra--;
}
if ((s->readahead_size & 0x1ff) != 0) {
fprintf(stderr, "HTTP_READAHEAD_SIZE %Zd is not a multiple of 512\n",
s->readahead_size);
goto out_noclean;
}
if (!inited) {
curl_global_init(CURL_GLOBAL_ALL);
inited = 1;
}
DPRINTF("CURL: Opening %s\n", file);
s->url = file;
state = curl_init_state(s);
if (!state)
goto out_noclean;
// Get file size
curl_easy_setopt(state->curl, CURLOPT_NOBODY, 1);
curl_easy_setopt(state->curl, CURLOPT_WRITEFUNCTION, (void *)curl_size_cb);
if (curl_easy_perform(state->curl))
goto out;
curl_easy_getinfo(state->curl, CURLINFO_CONTENT_LENGTH_DOWNLOAD, &d);
curl_easy_setopt(state->curl, CURLOPT_WRITEFUNCTION, (void *)curl_read_cb);
curl_easy_setopt(state->curl, CURLOPT_NOBODY, 0);
if (d)
s->len = (size_t)d;
else if(!s->len)
goto out;
DPRINTF("CURL: Size = %lld\n", (long long)s->len);
curl_clean_state(state);
curl_easy_cleanup(state->curl);
state->curl = NULL;
// Now we know the file exists and its size, so let's
// initialize the multi interface!
s->multi = curl_multi_init();
curl_multi_setopt( s->multi, CURLMOPT_SOCKETDATA, s);
curl_multi_setopt( s->multi, CURLMOPT_SOCKETFUNCTION, curl_sock_cb );
curl_multi_do(s);
return 0;
out:
fprintf(stderr, "CURL: Error opening file: %s\n", state->errmsg);
curl_easy_cleanup(state->curl);
state->curl = NULL;
out_noclean:
qemu_free(file);
return -EINVAL;
}
| 26,129 |
qemu | 18b21a2f83a26c3d6a9e7f0bdc4e8eb2b177e8f6 | 0 | static void gen_ldarx(DisasContext *ctx)
{
TCGv t0;
gen_set_access_type(ctx, ACCESS_RES);
t0 = tcg_temp_local_new();
gen_addr_reg_index(ctx, t0);
gen_check_align(ctx, t0, 0x07);
gen_qemu_ld64(ctx, cpu_gpr[rD(ctx->opcode)], t0);
tcg_gen_mov_tl(cpu_reserve, t0);
tcg_temp_free(t0);
}
| 26,130 |
qemu | 3eff1f46f08a360a4ae9f834ce9fef4c45bf6f0f | 0 | static void virtio_scsi_handle_ctrl(VirtIODevice *vdev, VirtQueue *vq)
{
VirtIOSCSI *s = (VirtIOSCSI *)vdev;
VirtIOSCSIReq *req;
while ((req = virtio_scsi_pop_req(s, vq))) {
int type;
if (iov_to_buf(req->elem.out_sg, req->elem.out_num, 0,
&type, sizeof(type)) < sizeof(type)) {
virtio_scsi_bad_req();
continue;
}
tswap32s(&req->req.tmf->type);
if (req->req.tmf->type == VIRTIO_SCSI_T_TMF) {
if (virtio_scsi_parse_req(req, sizeof(VirtIOSCSICtrlTMFReq),
sizeof(VirtIOSCSICtrlTMFResp)) < 0) {
virtio_scsi_bad_req();
} else {
virtio_scsi_do_tmf(s, req);
}
} else if (req->req.tmf->type == VIRTIO_SCSI_T_AN_QUERY ||
req->req.tmf->type == VIRTIO_SCSI_T_AN_SUBSCRIBE) {
if (virtio_scsi_parse_req(req, sizeof(VirtIOSCSICtrlANReq),
sizeof(VirtIOSCSICtrlANResp)) < 0) {
virtio_scsi_bad_req();
} else {
req->resp.an->event_actual = 0;
req->resp.an->response = VIRTIO_SCSI_S_OK;
}
}
virtio_scsi_complete_req(req);
}
}
| 26,131 |
qemu | de9b05b807918d40db9e26ddd6a54ad2978ac5b7 | 1 | void arm_cpu_realize(ARMCPU *cpu)
{
/* This function is called by cpu_arm_init() because it
* needs to do common actions based on feature bits, etc
* that have been set by the subclass init functions.
* When we have QOM realize support it should become
* a true realize function instead.
*/
CPUARMState *env = &cpu->env;
/* Some features automatically imply others: */
if (arm_feature(env, ARM_FEATURE_V7)) {
set_feature(env, ARM_FEATURE_VAPA);
set_feature(env, ARM_FEATURE_THUMB2);
set_feature(env, ARM_FEATURE_MPIDR);
if (!arm_feature(env, ARM_FEATURE_M)) {
set_feature(env, ARM_FEATURE_V6K);
} else {
set_feature(env, ARM_FEATURE_V6);
if (arm_feature(env, ARM_FEATURE_V6K)) {
set_feature(env, ARM_FEATURE_V6);
set_feature(env, ARM_FEATURE_MVFR);
if (arm_feature(env, ARM_FEATURE_V6)) {
set_feature(env, ARM_FEATURE_V5);
if (!arm_feature(env, ARM_FEATURE_M)) {
set_feature(env, ARM_FEATURE_AUXCR);
if (arm_feature(env, ARM_FEATURE_V5)) {
set_feature(env, ARM_FEATURE_V4T);
if (arm_feature(env, ARM_FEATURE_M)) {
set_feature(env, ARM_FEATURE_THUMB_DIV);
if (arm_feature(env, ARM_FEATURE_ARM_DIV)) {
set_feature(env, ARM_FEATURE_THUMB_DIV);
if (arm_feature(env, ARM_FEATURE_VFP4)) {
set_feature(env, ARM_FEATURE_VFP3);
if (arm_feature(env, ARM_FEATURE_VFP3)) {
set_feature(env, ARM_FEATURE_VFP);
register_cp_regs_for_features(cpu);
| 26,132 |
FFmpeg | 3c4add27f7513f435e9daa03643fd992d5f6bcee | 1 | static int mpc7_decode_frame(AVCodecContext * avctx, void *data,
int *got_frame_ptr, AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
MPCContext *c = avctx->priv_data;
GetBitContext gb;
uint8_t *bits;
int i, ch;
int mb = -1;
Band *bands = c->bands;
int off, ret;
int bits_used, bits_avail;
memset(bands, 0, sizeof(*bands) * (c->maxbands + 1));
if(buf_size <= 4){
av_log(avctx, AV_LOG_ERROR, "Too small buffer passed (%i bytes)\n", buf_size);
return AVERROR(EINVAL);
}
/* get output buffer */
c->frame.nb_samples = buf[1] ? c->lastframelen : MPC_FRAME_SIZE;
if ((ret = avctx->get_buffer(avctx, &c->frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
bits = av_malloc(((buf_size - 1) & ~3) + FF_INPUT_BUFFER_PADDING_SIZE);
c->dsp.bswap_buf((uint32_t*)bits, (const uint32_t*)(buf + 4), (buf_size - 4) >> 2);
init_get_bits(&gb, bits, (buf_size - 4)* 8);
skip_bits_long(&gb, buf[0]);
/* read subband indexes */
for(i = 0; i <= c->maxbands; i++){
for(ch = 0; ch < 2; ch++){
int t = 4;
if(i) t = get_vlc2(&gb, hdr_vlc.table, MPC7_HDR_BITS, 1) - 5;
if(t == 4) bands[i].res[ch] = get_bits(&gb, 4);
else bands[i].res[ch] = bands[i-1].res[ch] + t;
}
if(bands[i].res[0] || bands[i].res[1]){
mb = i;
if(c->MSS) bands[i].msf = get_bits1(&gb);
}
}
/* get scale indexes coding method */
for(i = 0; i <= mb; i++)
for(ch = 0; ch < 2; ch++)
if(bands[i].res[ch]) bands[i].scfi[ch] = get_vlc2(&gb, scfi_vlc.table, MPC7_SCFI_BITS, 1);
/* get scale indexes */
for(i = 0; i <= mb; i++){
for(ch = 0; ch < 2; ch++){
if(bands[i].res[ch]){
bands[i].scf_idx[ch][2] = c->oldDSCF[ch][i];
bands[i].scf_idx[ch][0] = get_scale_idx(&gb, bands[i].scf_idx[ch][2]);
switch(bands[i].scfi[ch]){
case 0:
bands[i].scf_idx[ch][1] = get_scale_idx(&gb, bands[i].scf_idx[ch][0]);
bands[i].scf_idx[ch][2] = get_scale_idx(&gb, bands[i].scf_idx[ch][1]);
break;
case 1:
bands[i].scf_idx[ch][1] = get_scale_idx(&gb, bands[i].scf_idx[ch][0]);
bands[i].scf_idx[ch][2] = bands[i].scf_idx[ch][1];
break;
case 2:
bands[i].scf_idx[ch][1] = bands[i].scf_idx[ch][0];
bands[i].scf_idx[ch][2] = get_scale_idx(&gb, bands[i].scf_idx[ch][1]);
break;
case 3:
bands[i].scf_idx[ch][2] = bands[i].scf_idx[ch][1] = bands[i].scf_idx[ch][0];
break;
}
c->oldDSCF[ch][i] = bands[i].scf_idx[ch][2];
}
}
}
/* get quantizers */
memset(c->Q, 0, sizeof(c->Q));
off = 0;
for(i = 0; i < BANDS; i++, off += SAMPLES_PER_BAND)
for(ch = 0; ch < 2; ch++)
idx_to_quant(c, &gb, bands[i].res[ch], c->Q[ch] + off);
ff_mpc_dequantize_and_synth(c, mb, c->frame.data[0], 2);
av_free(bits);
bits_used = get_bits_count(&gb);
bits_avail = (buf_size - 4) * 8;
if(!buf[1] && ((bits_avail < bits_used) || (bits_used + 32 <= bits_avail))){
av_log(NULL,0, "Error decoding frame: used %i of %i bits\n", bits_used, bits_avail);
return -1;
}
if(c->frames_to_skip){
c->frames_to_skip--;
*got_frame_ptr = 0;
return buf_size;
}
*got_frame_ptr = 1;
*(AVFrame *)data = c->frame;
return buf_size;
} | 26,133 |
qemu | d470ad42acfc73c45d3e8ed5311a491160b4c100 | 1 | static void replication_start(ReplicationState *rs, ReplicationMode mode,
Error **errp)
{
BlockDriverState *bs = rs->opaque;
BDRVReplicationState *s;
BlockDriverState *top_bs;
int64_t active_length, hidden_length, disk_length;
AioContext *aio_context;
Error *local_err = NULL;
BlockJob *job;
aio_context = bdrv_get_aio_context(bs);
aio_context_acquire(aio_context);
s = bs->opaque;
if (s->stage != BLOCK_REPLICATION_NONE) {
error_setg(errp, "Block replication is running or done");
aio_context_release(aio_context);
return;
}
if (s->mode != mode) {
error_setg(errp, "The parameter mode's value is invalid, needs %d,"
" but got %d", s->mode, mode);
aio_context_release(aio_context);
return;
}
switch (s->mode) {
case REPLICATION_MODE_PRIMARY:
break;
case REPLICATION_MODE_SECONDARY:
s->active_disk = bs->file;
if (!s->active_disk || !s->active_disk->bs ||
!s->active_disk->bs->backing) {
error_setg(errp, "Active disk doesn't have backing file");
aio_context_release(aio_context);
return;
}
s->hidden_disk = s->active_disk->bs->backing;
if (!s->hidden_disk->bs || !s->hidden_disk->bs->backing) {
error_setg(errp, "Hidden disk doesn't have backing file");
aio_context_release(aio_context);
return;
}
s->secondary_disk = s->hidden_disk->bs->backing;
if (!s->secondary_disk->bs || !bdrv_has_blk(s->secondary_disk->bs)) {
error_setg(errp, "The secondary disk doesn't have block backend");
aio_context_release(aio_context);
return;
}
/* verify the length */
active_length = bdrv_getlength(s->active_disk->bs);
hidden_length = bdrv_getlength(s->hidden_disk->bs);
disk_length = bdrv_getlength(s->secondary_disk->bs);
if (active_length < 0 || hidden_length < 0 || disk_length < 0 ||
active_length != hidden_length || hidden_length != disk_length) {
error_setg(errp, "Active disk, hidden disk, secondary disk's length"
" are not the same");
aio_context_release(aio_context);
return;
}
if (!s->active_disk->bs->drv->bdrv_make_empty ||
!s->hidden_disk->bs->drv->bdrv_make_empty) {
error_setg(errp,
"Active disk or hidden disk doesn't support make_empty");
aio_context_release(aio_context);
return;
}
/* reopen the backing file in r/w mode */
reopen_backing_file(bs, true, &local_err);
if (local_err) {
error_propagate(errp, local_err);
aio_context_release(aio_context);
return;
}
/* start backup job now */
error_setg(&s->blocker,
"Block device is in use by internal backup job");
top_bs = bdrv_lookup_bs(s->top_id, s->top_id, NULL);
if (!top_bs || !bdrv_is_root_node(top_bs) ||
!check_top_bs(top_bs, bs)) {
error_setg(errp, "No top_bs or it is invalid");
reopen_backing_file(bs, false, NULL);
aio_context_release(aio_context);
return;
}
bdrv_op_block_all(top_bs, s->blocker);
bdrv_op_unblock(top_bs, BLOCK_OP_TYPE_DATAPLANE, s->blocker);
job = backup_job_create(NULL, s->secondary_disk->bs, s->hidden_disk->bs,
0, MIRROR_SYNC_MODE_NONE, NULL, false,
BLOCKDEV_ON_ERROR_REPORT,
BLOCKDEV_ON_ERROR_REPORT, BLOCK_JOB_INTERNAL,
backup_job_completed, bs, NULL, &local_err);
if (local_err) {
error_propagate(errp, local_err);
backup_job_cleanup(bs);
aio_context_release(aio_context);
return;
}
block_job_start(job);
break;
default:
aio_context_release(aio_context);
abort();
}
s->stage = BLOCK_REPLICATION_RUNNING;
if (s->mode == REPLICATION_MODE_SECONDARY) {
secondary_do_checkpoint(s, errp);
}
s->error = 0;
aio_context_release(aio_context);
} | 26,134 |
FFmpeg | 224bb46fb857dab589597bdab302ba8ba012008c | 1 | uint8_t* ff_AMediaCodec_getOutputBuffer(FFAMediaCodec* codec, size_t idx, size_t *out_size)
{
uint8_t *ret = NULL;
JNIEnv *env = NULL;
jobject buffer = NULL;
JNI_GET_ENV_OR_RETURN(env, codec, NULL);
if (codec->has_get_i_o_buffer) {
buffer = (*env)->CallObjectMethod(env, codec->object, codec->jfields.get_output_buffer_id, idx);
if (ff_jni_exception_check(env, 1, codec) < 0) {
goto fail;
}
} else {
if (!codec->output_buffers) {
codec->output_buffers = (*env)->CallObjectMethod(env, codec->object, codec->jfields.get_output_buffers_id);
if (ff_jni_exception_check(env, 1, codec) < 0) {
goto fail;
}
codec->output_buffers = (*env)->NewGlobalRef(env, codec->output_buffers);
if (ff_jni_exception_check(env, 1, codec) < 0) {
goto fail;
}
}
buffer = (*env)->GetObjectArrayElement(env, codec->output_buffers, idx);
if (ff_jni_exception_check(env, 1, codec) < 0) {
goto fail;
}
}
ret = (*env)->GetDirectBufferAddress(env, buffer);
*out_size = (*env)->GetDirectBufferCapacity(env, buffer);
fail:
if (buffer) {
(*env)->DeleteLocalRef(env, buffer);
}
return ret;
}
| 26,135 |
qemu | 760d88d1d0c409f1afe6f1c91539487413e8b2a9 | 1 | int cpu_get_dump_info(ArchDumpInfo *info,
const struct GuestPhysBlockList *guest_phys_blocks)
{
PowerPCCPU *cpu = POWERPC_CPU(first_cpu);
PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu);
info->d_machine = EM_PPC64;
info->d_class = ELFCLASS64;
if ((*pcc->interrupts_big_endian)(cpu)) {
info->d_endian = ELFDATA2MSB;
} else {
info->d_endian = ELFDATA2LSB;
return 0;
| 26,137 |
FFmpeg | dfbb5de172b3a0373cbead8a966c41f5ba1ae08b | 1 | static int try_decode_video_frame(AVCodecContext *codec_ctx, AVPacket *pkt, int decode)
{
int ret = 0;
int got_frame = 0;
AVFrame *frame = NULL;
int skip_frame = codec_ctx->skip_frame;
if (!avcodec_is_open(codec_ctx)) {
const AVCodec *codec = avcodec_find_decoder(codec_ctx->codec_id);
ret = avcodec_open2(codec_ctx, codec, NULL);
if (ret < 0) {
av_log(codec_ctx, AV_LOG_ERROR, "Failed to open codec\n");
goto end;
}
}
frame = av_frame_alloc();
if (!frame) {
av_log(NULL, AV_LOG_ERROR, "Failed to allocate frame\n");
goto end;
}
if (!decode && codec_ctx->codec->caps_internal & FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM) {
codec_ctx->skip_frame = AVDISCARD_ALL;
}
do {
ret = avcodec_decode_video2(codec_ctx, frame, &got_frame, pkt);
av_assert0(decode || (!decode && !got_frame));
if (ret < 0)
break;
pkt->data += ret;
pkt->size -= ret;
if (got_frame) {
break;
}
} while (pkt->size > 0);
end:
codec_ctx->skip_frame = skip_frame;
av_frame_free(&frame);
return ret;
}
| 26,138 |
FFmpeg | e1c0cfaa419aa5d320540d5a1b3f8fd9b82ab7e5 | 0 | static int tiff_decode_tag(TiffContext *s, AVFrame *frame)
{
unsigned tag, type, count, off, value = 0, value2 = 0;
int i, start;
int pos;
int ret;
double *dp;
ret = ff_tread_tag(&s->gb, s->le, &tag, &type, &count, &start);
if (ret < 0) {
goto end;
}
off = bytestream2_tell(&s->gb);
if (count == 1) {
switch (type) {
case TIFF_BYTE:
case TIFF_SHORT:
case TIFF_LONG:
value = ff_tget(&s->gb, type, s->le);
break;
case TIFF_RATIONAL:
value = ff_tget(&s->gb, TIFF_LONG, s->le);
value2 = ff_tget(&s->gb, TIFF_LONG, s->le);
break;
case TIFF_STRING:
if (count <= 4) {
break;
}
default:
value = UINT_MAX;
}
}
switch (tag) {
case TIFF_WIDTH:
s->width = value;
break;
case TIFF_HEIGHT:
s->height = value;
break;
case TIFF_BPP:
s->bppcount = count;
if (count > 4) {
av_log(s->avctx, AV_LOG_ERROR,
"This format is not supported (bpp=%d, %d components)\n",
s->bpp, count);
return AVERROR_INVALIDDATA;
}
if (count == 1)
s->bpp = value;
else {
switch (type) {
case TIFF_BYTE:
case TIFF_SHORT:
case TIFF_LONG:
s->bpp = 0;
if (bytestream2_get_bytes_left(&s->gb) < type_sizes[type] * count)
return AVERROR_INVALIDDATA;
for (i = 0; i < count; i++)
s->bpp += ff_tget(&s->gb, type, s->le);
break;
default:
s->bpp = -1;
}
}
break;
case TIFF_SAMPLES_PER_PIXEL:
if (count != 1) {
av_log(s->avctx, AV_LOG_ERROR,
"Samples per pixel requires a single value, many provided\n");
return AVERROR_INVALIDDATA;
}
if (value > 4U) {
av_log(s->avctx, AV_LOG_ERROR,
"Samples per pixel %d is too large\n", value);
return AVERROR_INVALIDDATA;
}
if (s->bppcount == 1)
s->bpp *= value;
s->bppcount = value;
break;
case TIFF_COMPR:
s->compr = value;
s->predictor = 0;
switch (s->compr) {
case TIFF_RAW:
case TIFF_PACKBITS:
case TIFF_LZW:
case TIFF_CCITT_RLE:
break;
case TIFF_G3:
case TIFF_G4:
s->fax_opts = 0;
break;
case TIFF_DEFLATE:
case TIFF_ADOBE_DEFLATE:
#if CONFIG_ZLIB
break;
#else
av_log(s->avctx, AV_LOG_ERROR, "Deflate: ZLib not compiled in\n");
return AVERROR(ENOSYS);
#endif
case TIFF_JPEG:
case TIFF_NEWJPEG:
avpriv_report_missing_feature(s->avctx, "JPEG compression");
return AVERROR_PATCHWELCOME;
case TIFF_LZMA:
#if CONFIG_LZMA
break;
#else
av_log(s->avctx, AV_LOG_ERROR, "LZMA not compiled in\n");
return AVERROR(ENOSYS);
#endif
default:
av_log(s->avctx, AV_LOG_ERROR, "Unknown compression method %i\n",
s->compr);
return AVERROR_INVALIDDATA;
}
break;
case TIFF_ROWSPERSTRIP:
if (!value || (type == TIFF_LONG && value == UINT_MAX))
value = s->height;
s->rps = FFMIN(value, s->height);
break;
case TIFF_STRIP_OFFS:
if (count == 1) {
s->strippos = 0;
s->stripoff = value;
} else
s->strippos = off;
s->strips = count;
if (s->strips == 1)
s->rps = s->height;
s->sot = type;
break;
case TIFF_STRIP_SIZE:
if (count == 1) {
s->stripsizesoff = 0;
s->stripsize = value;
s->strips = 1;
} else {
s->stripsizesoff = off;
}
s->strips = count;
s->sstype = type;
break;
case TIFF_XRES:
case TIFF_YRES:
set_sar(s, tag, value, value2);
break;
case TIFF_TILE_BYTE_COUNTS:
case TIFF_TILE_LENGTH:
case TIFF_TILE_OFFSETS:
case TIFF_TILE_WIDTH:
av_log(s->avctx, AV_LOG_ERROR, "Tiled images are not supported\n");
return AVERROR_PATCHWELCOME;
break;
case TIFF_PREDICTOR:
s->predictor = value;
break;
case TIFF_PHOTOMETRIC:
switch (value) {
case TIFF_PHOTOMETRIC_WHITE_IS_ZERO:
case TIFF_PHOTOMETRIC_BLACK_IS_ZERO:
case TIFF_PHOTOMETRIC_RGB:
case TIFF_PHOTOMETRIC_PALETTE:
case TIFF_PHOTOMETRIC_YCBCR:
s->photometric = value;
break;
case TIFF_PHOTOMETRIC_ALPHA_MASK:
case TIFF_PHOTOMETRIC_SEPARATED:
case TIFF_PHOTOMETRIC_CIE_LAB:
case TIFF_PHOTOMETRIC_ICC_LAB:
case TIFF_PHOTOMETRIC_ITU_LAB:
case TIFF_PHOTOMETRIC_CFA:
case TIFF_PHOTOMETRIC_LOG_L:
case TIFF_PHOTOMETRIC_LOG_LUV:
case TIFF_PHOTOMETRIC_LINEAR_RAW:
avpriv_report_missing_feature(s->avctx,
"PhotometricInterpretation 0x%04X",
value);
return AVERROR_PATCHWELCOME;
default:
av_log(s->avctx, AV_LOG_ERROR, "PhotometricInterpretation %u is "
"unknown\n", value);
return AVERROR_INVALIDDATA;
}
break;
case TIFF_FILL_ORDER:
if (value < 1 || value > 2) {
av_log(s->avctx, AV_LOG_ERROR,
"Unknown FillOrder value %d, trying default one\n", value);
value = 1;
}
s->fill_order = value - 1;
break;
case TIFF_PAL: {
GetByteContext pal_gb[3];
off = type_sizes[type];
if (count / 3 > 256 ||
bytestream2_get_bytes_left(&s->gb) < count / 3 * off * 3)
return AVERROR_INVALIDDATA;
pal_gb[0] = pal_gb[1] = pal_gb[2] = s->gb;
bytestream2_skip(&pal_gb[1], count / 3 * off);
bytestream2_skip(&pal_gb[2], count / 3 * off * 2);
off = (type_sizes[type] - 1) << 3;
for (i = 0; i < count / 3; i++) {
uint32_t p = 0xFF000000;
p |= (ff_tget(&pal_gb[0], type, s->le) >> off) << 16;
p |= (ff_tget(&pal_gb[1], type, s->le) >> off) << 8;
p |= ff_tget(&pal_gb[2], type, s->le) >> off;
s->palette[i] = p;
}
s->palette_is_set = 1;
break;
}
case TIFF_PLANAR:
s->planar = value == 2;
break;
case TIFF_YCBCR_SUBSAMPLING:
if (count != 2) {
av_log(s->avctx, AV_LOG_ERROR, "subsample count invalid\n");
return AVERROR_INVALIDDATA;
}
for (i = 0; i < count; i++)
s->subsampling[i] = ff_tget(&s->gb, type, s->le);
break;
case TIFF_T4OPTIONS:
if (s->compr == TIFF_G3)
s->fax_opts = value;
break;
case TIFF_T6OPTIONS:
if (s->compr == TIFF_G4)
s->fax_opts = value;
break;
#define ADD_METADATA(count, name, sep)\
if ((ret = add_metadata(count, type, name, sep, s, frame)) < 0) {\
av_log(s->avctx, AV_LOG_ERROR, "Error allocating temporary buffer\n");\
goto end;\
}
case TIFF_MODEL_PIXEL_SCALE:
ADD_METADATA(count, "ModelPixelScaleTag", NULL);
break;
case TIFF_MODEL_TRANSFORMATION:
ADD_METADATA(count, "ModelTransformationTag", NULL);
break;
case TIFF_MODEL_TIEPOINT:
ADD_METADATA(count, "ModelTiepointTag", NULL);
break;
case TIFF_GEO_KEY_DIRECTORY:
ADD_METADATA(1, "GeoTIFF_Version", NULL);
ADD_METADATA(2, "GeoTIFF_Key_Revision", ".");
s->geotag_count = ff_tget_short(&s->gb, s->le);
if (s->geotag_count > count / 4 - 1) {
s->geotag_count = count / 4 - 1;
av_log(s->avctx, AV_LOG_WARNING, "GeoTIFF key directory buffer shorter than specified\n");
}
if (bytestream2_get_bytes_left(&s->gb) < s->geotag_count * sizeof(int16_t) * 4) {
s->geotag_count = 0;
return -1;
}
s->geotags = av_mallocz_array(s->geotag_count, sizeof(TiffGeoTag));
if (!s->geotags) {
av_log(s->avctx, AV_LOG_ERROR, "Error allocating temporary buffer\n");
s->geotag_count = 0;
goto end;
}
for (i = 0; i < s->geotag_count; i++) {
s->geotags[i].key = ff_tget_short(&s->gb, s->le);
s->geotags[i].type = ff_tget_short(&s->gb, s->le);
s->geotags[i].count = ff_tget_short(&s->gb, s->le);
if (!s->geotags[i].type)
s->geotags[i].val = get_geokey_val(s->geotags[i].key, ff_tget_short(&s->gb, s->le));
else
s->geotags[i].offset = ff_tget_short(&s->gb, s->le);
}
break;
case TIFF_GEO_DOUBLE_PARAMS:
if (count >= INT_MAX / sizeof(int64_t))
return AVERROR_INVALIDDATA;
if (bytestream2_get_bytes_left(&s->gb) < count * sizeof(int64_t))
return AVERROR_INVALIDDATA;
dp = av_malloc_array(count, sizeof(double));
if (!dp) {
av_log(s->avctx, AV_LOG_ERROR, "Error allocating temporary buffer\n");
goto end;
}
for (i = 0; i < count; i++)
dp[i] = ff_tget_double(&s->gb, s->le);
for (i = 0; i < s->geotag_count; i++) {
if (s->geotags[i].type == TIFF_GEO_DOUBLE_PARAMS) {
if (s->geotags[i].count == 0
|| s->geotags[i].offset + s->geotags[i].count > count) {
av_log(s->avctx, AV_LOG_WARNING, "Invalid GeoTIFF key %d\n", s->geotags[i].key);
} else {
char *ap = doubles2str(&dp[s->geotags[i].offset], s->geotags[i].count, ", ");
if (!ap) {
av_log(s->avctx, AV_LOG_ERROR, "Error allocating temporary buffer\n");
av_freep(&dp);
return AVERROR(ENOMEM);
}
s->geotags[i].val = ap;
}
}
}
av_freep(&dp);
break;
case TIFF_GEO_ASCII_PARAMS:
pos = bytestream2_tell(&s->gb);
for (i = 0; i < s->geotag_count; i++) {
if (s->geotags[i].type == TIFF_GEO_ASCII_PARAMS) {
if (s->geotags[i].count == 0
|| s->geotags[i].offset + s->geotags[i].count > count) {
av_log(s->avctx, AV_LOG_WARNING, "Invalid GeoTIFF key %d\n", s->geotags[i].key);
} else {
char *ap;
bytestream2_seek(&s->gb, pos + s->geotags[i].offset, SEEK_SET);
if (bytestream2_get_bytes_left(&s->gb) < s->geotags[i].count)
return AVERROR_INVALIDDATA;
ap = av_malloc(s->geotags[i].count);
if (!ap) {
av_log(s->avctx, AV_LOG_ERROR, "Error allocating temporary buffer\n");
return AVERROR(ENOMEM);
}
bytestream2_get_bufferu(&s->gb, ap, s->geotags[i].count);
ap[s->geotags[i].count - 1] = '\0'; //replace the "|" delimiter with a 0 byte
s->geotags[i].val = ap;
}
}
}
break;
case TIFF_ARTIST:
ADD_METADATA(count, "artist", NULL);
break;
case TIFF_COPYRIGHT:
ADD_METADATA(count, "copyright", NULL);
break;
case TIFF_DATE:
ADD_METADATA(count, "date", NULL);
break;
case TIFF_DOCUMENT_NAME:
ADD_METADATA(count, "document_name", NULL);
break;
case TIFF_HOST_COMPUTER:
ADD_METADATA(count, "computer", NULL);
break;
case TIFF_IMAGE_DESCRIPTION:
ADD_METADATA(count, "description", NULL);
break;
case TIFF_MAKE:
ADD_METADATA(count, "make", NULL);
break;
case TIFF_MODEL:
ADD_METADATA(count, "model", NULL);
break;
case TIFF_PAGE_NAME:
ADD_METADATA(count, "page_name", NULL);
break;
case TIFF_PAGE_NUMBER:
ADD_METADATA(count, "page_number", " / ");
break;
case TIFF_SOFTWARE_NAME:
ADD_METADATA(count, "software", NULL);
break;
default:
if (s->avctx->err_recognition & AV_EF_EXPLODE) {
av_log(s->avctx, AV_LOG_ERROR,
"Unknown or unsupported tag %d/0X%0X\n",
tag, tag);
return AVERROR_INVALIDDATA;
}
}
end:
bytestream2_seek(&s->gb, start, SEEK_SET);
return 0;
}
| 26,139 |
FFmpeg | c3fb20bab4f00621733809fb35ee39a5ae11e598 | 1 | static int reap_filters(void)
{
AVFilterBufferRef *picref;
AVFrame *filtered_frame = NULL;
int i;
int64_t frame_pts;
/* Reap all buffers present in the buffer sinks */
for (i = 0; i < nb_output_streams; i++) {
OutputStream *ost = output_streams[i];
OutputFile *of = output_files[ost->file_index];
int ret = 0;
if (!ost->filter)
continue;
if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
return AVERROR(ENOMEM);
} else
avcodec_get_frame_defaults(ost->filtered_frame);
filtered_frame = ost->filtered_frame;
while (1) {
ret = av_buffersink_get_buffer_ref(ost->filter->filter, &picref,
AV_BUFFERSINK_FLAG_NO_REQUEST);
if (ret < 0) {
if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
char buf[256];
av_strerror(ret, buf, sizeof(buf));
av_log(NULL, AV_LOG_WARNING,
"Error in av_buffersink_get_buffer_ref(): %s\n", buf);
frame_pts = AV_NOPTS_VALUE;
if (picref->pts != AV_NOPTS_VALUE) {
filtered_frame->pts = frame_pts = av_rescale_q(picref->pts,
ost->filter->filter->inputs[0]->time_base,
ost->st->codec->time_base) -
av_rescale_q(of->start_time,
AV_TIME_BASE_Q,
ost->st->codec->time_base);
if (of->start_time && filtered_frame->pts < 0) {
avfilter_unref_buffer(picref);
continue;
//if (ost->source_index >= 0)
// *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
switch (ost->filter->filter->inputs[0]->type) {
case AVMEDIA_TYPE_VIDEO:
avfilter_copy_buf_props(filtered_frame, picref);
filtered_frame->pts = frame_pts;
if (!ost->frame_aspect_ratio)
ost->st->codec->sample_aspect_ratio = picref->video->sample_aspect_ratio;
do_video_out(of->ctx, ost, filtered_frame);
case AVMEDIA_TYPE_AUDIO:
avfilter_copy_buf_props(filtered_frame, picref);
filtered_frame->pts = frame_pts;
do_audio_out(of->ctx, ost, filtered_frame);
default:
// TODO support subtitle filters
av_assert0(0);
avfilter_unref_buffer(picref);
return 0;
| 26,140 |
FFmpeg | 4d1418cd4f620b382106542d0f33d96e33a0fdae | 1 | static av_always_inline void hl_decode_mb_predict_luma(H264Context *h, int mb_type, int is_h264, int simple, int transform_bypass,
int pixel_shift, int *block_offset, int linesize, uint8_t *dest_y, int p)
{
MpegEncContext * const s = &h->s;
void (*idct_add)(uint8_t *dst, DCTELEM *block, int stride);
void (*idct_dc_add)(uint8_t *dst, DCTELEM *block, int stride);
int i;
int qscale = p == 0 ? s->qscale : h->chroma_qp[p-1];
block_offset += 16*p;
if(IS_INTRA4x4(mb_type)){
if(simple || !s->encoding){
if(IS_8x8DCT(mb_type)){
if(transform_bypass){
idct_dc_add =
idct_add = s->dsp.add_pixels8;
}else{
idct_dc_add = h->h264dsp.h264_idct8_dc_add;
idct_add = h->h264dsp.h264_idct8_add;
}
for(i=0; i<16; i+=4){
uint8_t * const ptr= dest_y + block_offset[i];
const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];
if(transform_bypass && h->sps.profile_idc==244 && dir<=1){
h->hpc.pred8x8l_add[dir](ptr, h->mb + (i*16+p*256 << pixel_shift), linesize);
}else{
const int nnz = h->non_zero_count_cache[ scan8[i+p*16] ];
h->hpc.pred8x8l[ dir ](ptr, (h->topleft_samples_available<<i)&0x8000,
(h->topright_samples_available<<i)&0x4000, linesize);
if(nnz){
if(nnz == 1 && dctcoef_get(h->mb, pixel_shift, i*16+p*256))
idct_dc_add(ptr, h->mb + (i*16+p*256 << pixel_shift), linesize);
else
idct_add (ptr, h->mb + (i*16+p*256 << pixel_shift), linesize);
}
}
}
}else{
if(transform_bypass){
idct_dc_add =
idct_add = s->dsp.add_pixels4;
}else{
idct_dc_add = h->h264dsp.h264_idct_dc_add;
idct_add = h->h264dsp.h264_idct_add;
}
for(i=0; i<16; i++){
uint8_t * const ptr= dest_y + block_offset[i];
const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];
if(transform_bypass && h->sps.profile_idc==244 && dir<=1){
h->hpc.pred4x4_add[dir](ptr, h->mb + (i*16+p*256 << pixel_shift), linesize);
}else{
uint8_t *topright;
int nnz, tr;
uint64_t tr_high;
if(dir == DIAG_DOWN_LEFT_PRED || dir == VERT_LEFT_PRED){
const int topright_avail= (h->topright_samples_available<<i)&0x8000;
assert(s->mb_y || linesize <= block_offset[i]);
if(!topright_avail){
if (pixel_shift) {
tr_high= ((uint16_t*)ptr)[3 - linesize/2]*0x0001000100010001ULL;
topright= (uint8_t*) &tr_high;
} else {
tr= ptr[3 - linesize]*0x01010101;
topright= (uint8_t*) &tr;
}
}else
topright= ptr + (4 << pixel_shift) - linesize;
}else
topright= NULL;
h->hpc.pred4x4[ dir ](ptr, topright, linesize);
nnz = h->non_zero_count_cache[ scan8[i+p*16] ];
if(nnz){
if(is_h264){
if(nnz == 1 && dctcoef_get(h->mb, pixel_shift, i*16+p*256))
idct_dc_add(ptr, h->mb + (i*16+p*256 << pixel_shift), linesize);
else
idct_add (ptr, h->mb + (i*16+p*256 << pixel_shift), linesize);
}else
ff_svq3_add_idct_c(ptr, h->mb + i*16+p*256, linesize, qscale, 0);
}
}
}
}
}
}else{
h->hpc.pred16x16[ h->intra16x16_pred_mode ](dest_y , linesize);
if(is_h264){
if(h->non_zero_count_cache[ scan8[LUMA_DC_BLOCK_INDEX+p] ]){
if(!transform_bypass)
h->h264dsp.h264_luma_dc_dequant_idct(h->mb+(p*256 << pixel_shift), h->mb_luma_dc[p], h->dequant4_coeff[p][qscale][0]);
else{
static const uint8_t dc_mapping[16] = { 0*16, 1*16, 4*16, 5*16, 2*16, 3*16, 6*16, 7*16,
8*16, 9*16,12*16,13*16,10*16,11*16,14*16,15*16};
for(i = 0; i < 16; i++)
dctcoef_set(h->mb+p*256, pixel_shift, dc_mapping[i], dctcoef_get(h->mb_luma_dc[p], pixel_shift, i));
}
}
}else
ff_svq3_luma_dc_dequant_idct_c(h->mb+p*256, h->mb_luma_dc[p], qscale);
}
}
| 26,142 |
FFmpeg | 7faa40af982960608b117e20fec999b48011e5e0 | 1 | static int adx_read_packet(AVFormatContext *s, AVPacket *pkt)
{
ADXDemuxerContext *c = s->priv_data;
AVCodecContext *avctx = s->streams[0]->codec;
int ret, size;
size = BLOCK_SIZE * avctx->channels;
pkt->pos = avio_tell(s->pb);
pkt->stream_index = 0;
ret = av_get_packet(s->pb, pkt, size);
if (ret != size) {
av_free_packet(pkt);
return ret < 0 ? ret : AVERROR(EIO);
if (AV_RB16(pkt->data) & 0x8000) {
av_free_packet(pkt);
return AVERROR_EOF;
pkt->size = size;
pkt->duration = 1;
pkt->pts = (pkt->pos - c->header_size) / size;
return 0; | 26,143 |
qemu | a1f0cce2ac0243572ff72aa561da67fe3766a395 | 1 | static int execute_command(BlockDriverState *bdrv,
SCSIGenericReq *r, int direction,
BlockDriverCompletionFunc *complete)
{
SCSIGenericState *s = DO_UPCAST(SCSIGenericState, qdev, r->req.dev);
r->io_header.interface_id = 'S';
r->io_header.dxfer_direction = direction;
r->io_header.dxferp = r->buf;
r->io_header.dxfer_len = r->buflen;
r->io_header.cmdp = r->req.cmd.buf;
r->io_header.cmd_len = r->req.cmd.len;
r->io_header.mx_sb_len = sizeof(s->sensebuf);
r->io_header.sbp = s->sensebuf;
r->io_header.timeout = MAX_UINT;
r->io_header.usr_ptr = r;
r->io_header.flags |= SG_FLAG_DIRECT_IO;
r->req.aiocb = bdrv_aio_ioctl(bdrv, SG_IO, &r->io_header, complete, r);
if (r->req.aiocb == NULL) {
BADF("execute_command: read failed !\n");
return -1;
}
return 0;
}
| 26,144 |
qemu | 60fe637bf0e4d7989e21e50f52526444765c63b4 | 1 | static int get_int8(QEMUFile *f, void *pv, size_t size)
{
int8_t *v = pv;
qemu_get_s8s(f, v);
return 0;
}
| 26,145 |
qemu | fea505221eaf87889000378d4d33ad0dfd5f4d9d | 0 | static void handle_msr(DisasContext *s, uint32_t insn, unsigned int op0,
unsigned int op1, unsigned int op2,
unsigned int crn, unsigned int crm, unsigned int rt)
{
unsupported_encoding(s, insn);
}
| 26,146 |
qemu | b3db211f3c80bb996a704d665fe275619f728bd4 | 0 | static void validate_teardown(TestInputVisitorData *data,
const void *unused)
{
qobject_decref(data->obj);
data->obj = NULL;
if (data->qiv) {
visit_free(data->qiv);
data->qiv = NULL;
}
}
| 26,147 |
qemu | b9bec74bcb16519a876ec21cd5277c526a9b512d | 0 | int kvm_arch_remove_hw_breakpoint(target_ulong addr,
target_ulong len, int type)
{
int n;
n = find_hw_breakpoint(addr, (type == GDB_BREAKPOINT_HW) ? 1 : len, type);
if (n < 0)
return -ENOENT;
nb_hw_breakpoint--;
hw_breakpoint[n] = hw_breakpoint[nb_hw_breakpoint];
return 0;
}
| 26,148 |
qemu | f0ddf11b23260f0af84fb529486a8f9ba2d19401 | 0 | void HELPER(cas2l)(CPUM68KState *env, uint32_t regs, uint32_t a1, uint32_t a2)
{
uint32_t Dc1 = extract32(regs, 9, 3);
uint32_t Dc2 = extract32(regs, 6, 3);
uint32_t Du1 = extract32(regs, 3, 3);
uint32_t Du2 = extract32(regs, 0, 3);
uint32_t c1 = env->dregs[Dc1];
uint32_t c2 = env->dregs[Dc2];
uint32_t u1 = env->dregs[Du1];
uint32_t u2 = env->dregs[Du2];
uint32_t l1, l2;
uintptr_t ra = GETPC();
#if defined(CONFIG_ATOMIC64) && !defined(CONFIG_USER_ONLY)
int mmu_idx = cpu_mmu_index(env, 0);
TCGMemOpIdx oi;
#endif
if (parallel_cpus) {
/* We're executing in a parallel context -- must be atomic. */
#ifdef CONFIG_ATOMIC64
uint64_t c, u, l;
if ((a1 & 7) == 0 && a2 == a1 + 4) {
c = deposit64(c2, 32, 32, c1);
u = deposit64(u2, 32, 32, u1);
#ifdef CONFIG_USER_ONLY
l = helper_atomic_cmpxchgq_be(env, a1, c, u);
#else
oi = make_memop_idx(MO_BEQ, mmu_idx);
l = helper_atomic_cmpxchgq_be_mmu(env, a1, c, u, oi, ra);
#endif
l1 = l >> 32;
l2 = l;
} else if ((a2 & 7) == 0 && a1 == a2 + 4) {
c = deposit64(c1, 32, 32, c2);
u = deposit64(u1, 32, 32, u2);
#ifdef CONFIG_USER_ONLY
l = helper_atomic_cmpxchgq_be(env, a2, c, u);
#else
oi = make_memop_idx(MO_BEQ, mmu_idx);
l = helper_atomic_cmpxchgq_be_mmu(env, a2, c, u, oi, ra);
#endif
l2 = l >> 32;
l1 = l;
} else
#endif
{
/* Tell the main loop we need to serialize this insn. */
cpu_loop_exit_atomic(ENV_GET_CPU(env), ra);
}
} else {
/* We're executing in a serial context -- no need to be atomic. */
l1 = cpu_ldl_data_ra(env, a1, ra);
l2 = cpu_ldl_data_ra(env, a2, ra);
if (l1 == c1 && l2 == c2) {
cpu_stl_data_ra(env, a1, u1, ra);
cpu_stl_data_ra(env, a2, u2, ra);
}
}
if (c1 != l1) {
env->cc_n = l1;
env->cc_v = c1;
} else {
env->cc_n = l2;
env->cc_v = c2;
}
env->cc_op = CC_OP_CMPL;
env->dregs[Dc1] = l1;
env->dregs[Dc2] = l2;
}
| 26,150 |
qemu | 786a4ea82ec9c87e3a895cf41081029b285a5fe5 | 0 | static inline hwaddr booke206_page_size_to_tlb(uint64_t size)
{
return (ffs(size >> 10) - 1) >> 1;
}
| 26,151 |
qemu | 8917c3bdba37d6fe4393db0fad3fabbde9530d6b | 0 | sofcantrcvmore(struct socket *so)
{
if ((so->so_state & SS_NOFDREF) == 0) {
shutdown(so->s,0);
if(global_writefds) {
FD_CLR(so->s,global_writefds);
}
}
so->so_state &= ~(SS_ISFCONNECTING);
if (so->so_state & SS_FCANTSENDMORE) {
so->so_state &= SS_PERSISTENT_MASK;
so->so_state |= SS_NOFDREF; /* Don't select it */
} else {
so->so_state |= SS_FCANTRCVMORE;
}
}
| 26,153 |
qemu | 72cf2d4f0e181d0d3a3122e04129c58a95da713e | 0 | void cpu_breakpoint_remove_all(CPUState *env, int mask)
{
#if defined(TARGET_HAS_ICE)
CPUBreakpoint *bp, *next;
TAILQ_FOREACH_SAFE(bp, &env->breakpoints, entry, next) {
if (bp->flags & mask)
cpu_breakpoint_remove_by_ref(env, bp);
}
#endif
}
| 26,155 |
qemu | f8b6cc0070aab8b75bd082582c829be1353f395f | 0 | static void scsi_destroy(SCSIDevice *d)
{
SCSIGenericState *s = DO_UPCAST(SCSIGenericState, qdev, d);
SCSIGenericReq *r;
while (!QTAILQ_EMPTY(&s->qdev.requests)) {
r = DO_UPCAST(SCSIGenericReq, req, QTAILQ_FIRST(&s->qdev.requests));
scsi_remove_request(r);
}
blockdev_mark_auto_del(s->qdev.conf.dinfo->bdrv);
}
| 26,157 |
qemu | 4a1418e07bdcfaa3177739e04707ecaec75d89e1 | 0 | static inline void kqemu_save_seg(SegmentCache *sc,
const struct kqemu_segment_cache *ksc)
{
sc->selector = ksc->selector;
sc->flags = ksc->flags;
sc->limit = ksc->limit;
sc->base = ksc->base;
}
| 26,159 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static void omap_mpu_timer_write(void *opaque, target_phys_addr_t addr,
uint64_t value, unsigned size)
{
struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *) opaque;
if (size != 4) {
return omap_badwidth_write32(opaque, addr, value);
}
switch (addr) {
case 0x00: /* CNTL_TIMER */
omap_timer_sync(s);
s->enable = (value >> 5) & 1;
s->ptv = (value >> 2) & 7;
s->ar = (value >> 1) & 1;
s->st = value & 1;
omap_timer_update(s);
return;
case 0x04: /* LOAD_TIM */
s->reset_val = value;
return;
case 0x08: /* READ_TIM */
OMAP_RO_REG(addr);
break;
default:
OMAP_BAD_REG(addr);
}
}
| 26,161 |
qemu | d6085e3ace20bc9b0fa625d8d79b22668710e217 | 0 | bool qemu_peer_has_vnet_hdr(NetClientState *nc)
{
if (!nc->peer || !nc->peer->info->has_vnet_hdr) {
return false;
}
return nc->peer->info->has_vnet_hdr(nc->peer);
}
| 26,162 |
qemu | 57407ea44cc0a3d630b9b89a2be011f1955ce5c1 | 0 | static void vmxnet3_cleanup(NetClientState *nc)
{
VMXNET3State *s = qemu_get_nic_opaque(nc);
s->nic = NULL;
}
| 26,163 |
qemu | 5e755519ac9d867f7da13f58a9d0c262db82e14c | 0 | void op_cp1_enabled(void)
{
if (!(env->CP0_Status & (1 << CP0St_CU1))) {
CALL_FROM_TB2(do_raise_exception_err, EXCP_CpU, 1);
}
RETURN();
}
| 26,164 |
FFmpeg | 59c6178a54c414fd19e064f0077d00b82a1eb812 | 0 | static int put_flac_codecpriv(AVFormatContext *s, ByteIOContext *pb, AVCodecContext *codec)
{
// if the extradata_size is greater than FLAC_STREAMINFO_SIZE,
// assume that it's in Matroska format already
if (codec->extradata_size < FLAC_STREAMINFO_SIZE) {
av_log(s, AV_LOG_ERROR, "Invalid FLAC extradata\n");
return -1;
} else if (codec->extradata_size == FLAC_STREAMINFO_SIZE) {
// only the streaminfo packet
put_buffer(pb, "fLaC", 4);
put_byte(pb, 0x80);
put_be24(pb, FLAC_STREAMINFO_SIZE);
} else if(memcmp("fLaC", codec->extradata, 4)) {
av_log(s, AV_LOG_ERROR, "Invalid FLAC extradata\n");
return -1;
}
put_buffer(pb, codec->extradata, codec->extradata_size);
return 0;
}
| 26,165 |
qemu | ac1970fbe8ad5a70174f462109ac0f6c7bf1bc43 | 0 | static void core_region_add(MemoryListener *listener,
MemoryRegionSection *section)
{
cpu_register_physical_memory_log(section, section->readonly);
}
| 26,166 |
qemu | c34d440a728fd3b5099d11dec122d440ef092c23 | 0 | static void kvm_mce_inj_srao_memscrub(CPUState *env, target_phys_addr_t paddr)
{
struct kvm_x86_mce mce = {
.bank = 9,
.status = MCI_STATUS_VAL | MCI_STATUS_UC | MCI_STATUS_EN
| MCI_STATUS_MISCV | MCI_STATUS_ADDRV | MCI_STATUS_S
| 0xc0,
.mcg_status = MCG_STATUS_MCIP | MCG_STATUS_RIPV,
.addr = paddr,
.misc = (MCM_ADDR_PHYS << 6) | 0xc,
};
int r;
r = kvm_set_mce(env, &mce);
if (r < 0) {
fprintf(stderr, "kvm_set_mce: %s\n", strerror(errno));
abort();
}
kvm_mce_broadcast_rest(env);
}
| 26,167 |
FFmpeg | ddebfb15dc8ee01f7f8ff4e15e80b9843e550f00 | 0 | int avcodec_open(AVCodecContext *avctx, AVCodec *codec)
{
int ret;
if(avctx->codec)
return -1;
avctx->codec = codec;
avctx->codec_id = codec->id;
avctx->frame_number = 0;
if (codec->priv_data_size > 0) {
avctx->priv_data = av_mallocz(codec->priv_data_size);
if (!avctx->priv_data)
return -ENOMEM;
} else {
avctx->priv_data = NULL;
}
if(avctx->coded_width && avctx->coded_height)
avcodec_set_dimensions(avctx, avctx->coded_width, avctx->coded_height);
else if(avctx->width && avctx->height)
avcodec_set_dimensions(avctx, avctx->width, avctx->height);
if((avctx->coded_width||avctx->coded_height) && avcodec_check_dimensions(avctx,avctx->coded_width,avctx->coded_height)){
av_freep(&avctx->priv_data);
return -1;
}
ret = avctx->codec->init(avctx);
if (ret < 0) {
av_freep(&avctx->priv_data);
return ret;
}
return 0;
}
| 26,168 |
FFmpeg | d1adad3cca407f493c3637e20ecd4f7124e69212 | 0 | static inline void RENAME(yv12touyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
long width, long height,
long lumStride, long chromStride, long dstStride)
{
//FIXME interpolate chroma
RENAME(yuvPlanartouyvy)(ysrc, usrc, vsrc, dst, width, height, lumStride, chromStride, dstStride, 2);
}
| 26,169 |
FFmpeg | ac4b32df71bd932838043a4838b86d11e169707f | 1 | static int decode_block_coeffs_internal(VP56RangeCoder *r, int16_t block[16],
uint8_t probs[16][3][NUM_DCT_TOKENS - 1],
int i, uint8_t *token_prob,
int16_t qmul[2])
{
VP56RangeCoder c = *r;
goto skip_eob;
do {
int coeff;
if (!vp56_rac_get_prob_branchy(&c, token_prob[0])) // DCT_EOB
break;
skip_eob:
if (!vp56_rac_get_prob_branchy(&c, token_prob[1])) { // DCT_0
if (++i == 16)
break; // invalid input; blocks should end with EOB
token_prob = probs[i][0];
goto skip_eob;
}
if (!vp56_rac_get_prob_branchy(&c, token_prob[2])) { // DCT_1
coeff = 1;
token_prob = probs[i + 1][1];
} else {
if (!vp56_rac_get_prob_branchy(&c, token_prob[3])) { // DCT 2,3,4
coeff = vp56_rac_get_prob_branchy(&c, token_prob[4]);
if (coeff)
coeff += vp56_rac_get_prob(&c, token_prob[5]);
coeff += 2;
} else {
// DCT_CAT*
if (!vp56_rac_get_prob_branchy(&c, token_prob[6])) {
if (!vp56_rac_get_prob_branchy(&c, token_prob[7])) { // DCT_CAT1
coeff = 5 + vp56_rac_get_prob(&c, vp8_dct_cat1_prob[0]);
} else { // DCT_CAT2
coeff = 7;
coeff += vp56_rac_get_prob(&c, vp8_dct_cat2_prob[0]) << 1;
coeff += vp56_rac_get_prob(&c, vp8_dct_cat2_prob[1]);
}
} else { // DCT_CAT3 and up
int a = vp56_rac_get_prob(&c, token_prob[8]);
int b = vp56_rac_get_prob(&c, token_prob[9 + a]);
int cat = (a << 1) + b;
coeff = 3 + (8 << cat);
coeff += vp8_rac_get_coeff(&c, ff_vp8_dct_cat_prob[cat]);
}
}
token_prob = probs[i + 1][2];
}
block[zigzag_scan[i]] = (vp8_rac_get(&c) ? -coeff : coeff) * qmul[!!i];
} while (++i < 16);
*r = c;
return i;
}
| 26,170 |
qemu | 832390a5ed11e6c516db0986bf302d098e3ae36c | 1 | static int img_check(int argc, char **argv)
{
int c, ret;
OutputFormat output_format = OFORMAT_HUMAN;
const char *filename, *fmt, *output, *cache;
BlockBackend *blk;
BlockDriverState *bs;
int fix = 0;
int flags = BDRV_O_FLAGS | BDRV_O_CHECK;
ImageCheck *check;
bool quiet = false;
fmt = NULL;
output = NULL;
cache = BDRV_DEFAULT_CACHE;
for(;;) {
int option_index = 0;
static const struct option long_options[] = {
{"help", no_argument, 0, 'h'},
{"format", required_argument, 0, 'f'},
{"repair", required_argument, 0, 'r'},
{"output", required_argument, 0, OPTION_OUTPUT},
{0, 0, 0, 0}
};
c = getopt_long(argc, argv, "hf:r:T:q",
long_options, &option_index);
if (c == -1) {
break;
}
switch(c) {
case '?':
case 'h':
help();
break;
case 'f':
fmt = optarg;
break;
case 'r':
flags |= BDRV_O_RDWR;
if (!strcmp(optarg, "leaks")) {
fix = BDRV_FIX_LEAKS;
} else if (!strcmp(optarg, "all")) {
fix = BDRV_FIX_LEAKS | BDRV_FIX_ERRORS;
} else {
error_exit("Unknown option value for -r "
"(expecting 'leaks' or 'all'): %s", optarg);
}
break;
case OPTION_OUTPUT:
output = optarg;
break;
case 'T':
cache = optarg;
break;
case 'q':
quiet = true;
break;
}
}
if (optind != argc - 1) {
error_exit("Expecting one image file name");
}
filename = argv[optind++];
if (output && !strcmp(output, "json")) {
output_format = OFORMAT_JSON;
} else if (output && !strcmp(output, "human")) {
output_format = OFORMAT_HUMAN;
} else if (output) {
error_report("--output must be used with human or json as argument.");
return 1;
}
ret = bdrv_parse_cache_flags(cache, &flags);
if (ret < 0) {
error_report("Invalid source cache option: %s", cache);
return 1;
}
blk = img_open("image", filename, fmt, flags, true, quiet);
if (!blk) {
return 1;
}
bs = blk_bs(blk);
check = g_new0(ImageCheck, 1);
ret = collect_image_check(bs, check, filename, fmt, fix);
if (ret == -ENOTSUP) {
error_report("This image format does not support checks");
ret = 63;
goto fail;
}
if (check->corruptions_fixed || check->leaks_fixed) {
int corruptions_fixed, leaks_fixed;
leaks_fixed = check->leaks_fixed;
corruptions_fixed = check->corruptions_fixed;
if (output_format == OFORMAT_HUMAN) {
qprintf(quiet,
"The following inconsistencies were found and repaired:\n\n"
" %" PRId64 " leaked clusters\n"
" %" PRId64 " corruptions\n\n"
"Double checking the fixed image now...\n",
check->leaks_fixed,
check->corruptions_fixed);
}
ret = collect_image_check(bs, check, filename, fmt, 0);
check->leaks_fixed = leaks_fixed;
check->corruptions_fixed = corruptions_fixed;
}
switch (output_format) {
case OFORMAT_HUMAN:
dump_human_image_check(check, quiet);
break;
case OFORMAT_JSON:
dump_json_image_check(check, quiet);
break;
}
if (ret || check->check_errors) {
ret = 1;
goto fail;
}
if (check->corruptions) {
ret = 2;
} else if (check->leaks) {
ret = 3;
} else {
ret = 0;
}
fail:
qapi_free_ImageCheck(check);
blk_unref(blk);
return ret;
}
| 26,171 |
FFmpeg | 5a8fec1b33f2c9da89fe565516fff24b09988dc9 | 1 | static void imdct12(INTFLOAT *out, INTFLOAT *in)
{
INTFLOAT in0, in1, in2, in3, in4, in5, t1, t2;
in0 = in[0*3];
in1 = in[1*3] + in[0*3];
in2 = in[2*3] + in[1*3];
in3 = in[3*3] + in[2*3];
in4 = in[4*3] + in[3*3];
in5 = in[5*3] + in[4*3];
in5 += in3;
in3 += in1;
in2 = MULH3(in2, C3, 2);
in3 = MULH3(in3, C3, 4);
t1 = in0 - in4;
t2 = MULH3(in1 - in5, C4, 2);
out[ 7] =
out[10] = t1 + t2;
out[ 1] =
out[ 4] = t1 - t2;
in0 += SHR(in4, 1);
in4 = in0 + in2;
in5 += 2*in1;
in1 = MULH3(in5 + in3, C5, 1);
out[ 8] =
out[ 9] = in4 + in1;
out[ 2] =
out[ 3] = in4 - in1;
in0 -= in2;
in5 = MULH3(in5 - in3, C6, 2);
out[ 0] =
out[ 5] = in0 - in5;
out[ 6] =
out[11] = in0 + in5;
}
| 26,172 |
qemu | de82815db1c89da058b7fb941dab137d6d9ab738 | 1 | int qcow2_snapshot_load_tmp(BlockDriverState *bs,
const char *snapshot_id,
const char *name,
Error **errp)
{
int i, snapshot_index;
BDRVQcowState *s = bs->opaque;
QCowSnapshot *sn;
uint64_t *new_l1_table;
int new_l1_bytes;
int ret;
assert(bs->read_only);
/* Search the snapshot */
snapshot_index = find_snapshot_by_id_and_name(bs, snapshot_id, name);
if (snapshot_index < 0) {
error_setg(errp,
"Can't find snapshot");
return -ENOENT;
}
sn = &s->snapshots[snapshot_index];
/* Allocate and read in the snapshot's L1 table */
if (sn->l1_size > QCOW_MAX_L1_SIZE) {
error_setg(errp, "Snapshot L1 table too large");
return -EFBIG;
}
new_l1_bytes = sn->l1_size * sizeof(uint64_t);
new_l1_table = g_malloc0(align_offset(new_l1_bytes, 512));
ret = bdrv_pread(bs->file, sn->l1_table_offset, new_l1_table, new_l1_bytes);
if (ret < 0) {
error_setg(errp, "Failed to read l1 table for snapshot");
g_free(new_l1_table);
return ret;
}
/* Switch the L1 table */
g_free(s->l1_table);
s->l1_size = sn->l1_size;
s->l1_table_offset = sn->l1_table_offset;
s->l1_table = new_l1_table;
for(i = 0;i < s->l1_size; i++) {
be64_to_cpus(&s->l1_table[i]);
}
return 0;
}
| 26,176 |
qemu | 63fa06dc978f3669dbfd9443b33cde9e2a7f4b41 | 1 | static int vdi_create(const char *filename, QEMUOptionParameter *options,
Error **errp)
{
int fd;
int result = 0;
uint64_t bytes = 0;
uint32_t blocks;
size_t block_size = DEFAULT_CLUSTER_SIZE;
uint32_t image_type = VDI_TYPE_DYNAMIC;
VdiHeader header;
size_t i;
size_t bmap_size;
logout("\n");
/* Read out options. */
while (options && options->name) {
if (!strcmp(options->name, BLOCK_OPT_SIZE)) {
bytes = options->value.n;
#if defined(CONFIG_VDI_BLOCK_SIZE)
} else if (!strcmp(options->name, BLOCK_OPT_CLUSTER_SIZE)) {
if (options->value.n) {
/* TODO: Additional checks (SECTOR_SIZE * 2^n, ...). */
block_size = options->value.n;
}
#endif
#if defined(CONFIG_VDI_STATIC_IMAGE)
} else if (!strcmp(options->name, BLOCK_OPT_STATIC)) {
if (options->value.n) {
image_type = VDI_TYPE_STATIC;
}
#endif
}
options++;
}
fd = qemu_open(filename,
O_WRONLY | O_CREAT | O_TRUNC | O_BINARY | O_LARGEFILE,
0644);
if (fd < 0) {
return -errno;
}
/* We need enough blocks to store the given disk size,
so always round up. */
blocks = (bytes + block_size - 1) / block_size;
bmap_size = blocks * sizeof(uint32_t);
bmap_size = ((bmap_size + SECTOR_SIZE - 1) & ~(SECTOR_SIZE -1));
memset(&header, 0, sizeof(header));
pstrcpy(header.text, sizeof(header.text), VDI_TEXT);
header.signature = VDI_SIGNATURE;
header.version = VDI_VERSION_1_1;
header.header_size = 0x180;
header.image_type = image_type;
header.offset_bmap = 0x200;
header.offset_data = 0x200 + bmap_size;
header.sector_size = SECTOR_SIZE;
header.disk_size = bytes;
header.block_size = block_size;
header.blocks_in_image = blocks;
if (image_type == VDI_TYPE_STATIC) {
header.blocks_allocated = blocks;
}
uuid_generate(header.uuid_image);
uuid_generate(header.uuid_last_snap);
/* There is no need to set header.uuid_link or header.uuid_parent here. */
#if defined(CONFIG_VDI_DEBUG)
vdi_header_print(&header);
#endif
vdi_header_to_le(&header);
if (write(fd, &header, sizeof(header)) < 0) {
result = -errno;
}
if (bmap_size > 0) {
uint32_t *bmap = g_malloc0(bmap_size);
for (i = 0; i < blocks; i++) {
if (image_type == VDI_TYPE_STATIC) {
bmap[i] = i;
} else {
bmap[i] = VDI_UNALLOCATED;
}
}
if (write(fd, bmap, bmap_size) < 0) {
result = -errno;
}
g_free(bmap);
}
if (image_type == VDI_TYPE_STATIC) {
if (ftruncate(fd, sizeof(header) + bmap_size + blocks * block_size)) {
result = -errno;
}
}
if (close(fd) < 0) {
result = -errno;
}
return result;
}
| 26,177 |
FFmpeg | ca402f32e392590a81a1381dab41c4f9c2c2f98a | 1 | static int dxa_read_header(AVFormatContext *s, AVFormatParameters *ap)
{
AVIOContext *pb = s->pb;
DXAContext *c = s->priv_data;
AVStream *st, *ast;
uint32_t tag;
int32_t fps;
int w, h;
int num, den;
int flags;
tag = avio_rl32(pb);
if (tag != MKTAG('D', 'E', 'X', 'A'))
return -1;
flags = avio_r8(pb);
c->frames = avio_rb16(pb);
if(!c->frames){
av_log(s, AV_LOG_ERROR, "File contains no frames ???\n");
return -1;
}
fps = avio_rb32(pb);
if(fps > 0){
den = 1000;
num = fps;
}else if (fps < 0){
den = 100000;
num = -fps;
}else{
den = 10;
num = 1;
}
w = avio_rb16(pb);
h = avio_rb16(pb);
c->has_sound = 0;
st = av_new_stream(s, 0);
if (!st)
return -1;
// Parse WAV data header
if(avio_rl32(pb) == MKTAG('W', 'A', 'V', 'E')){
uint32_t size, fsize;
c->has_sound = 1;
size = avio_rb32(pb);
c->vidpos = avio_tell(pb) + size;
avio_skip(pb, 16);
fsize = avio_rl32(pb);
ast = av_new_stream(s, 0);
if (!ast)
return -1;
ff_get_wav_header(pb, ast->codec, fsize);
// find 'data' chunk
while(avio_tell(pb) < c->vidpos && !pb->eof_reached){
tag = avio_rl32(pb);
fsize = avio_rl32(pb);
if(tag == MKTAG('d', 'a', 't', 'a')) break;
avio_skip(pb, fsize);
}
c->bpc = (fsize + c->frames - 1) / c->frames;
if(ast->codec->block_align)
c->bpc = ((c->bpc + ast->codec->block_align - 1) / ast->codec->block_align) * ast->codec->block_align;
c->bytes_left = fsize;
c->wavpos = avio_tell(pb);
avio_seek(pb, c->vidpos, SEEK_SET);
}
/* now we are ready: build format streams */
st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
st->codec->codec_id = CODEC_ID_DXA;
st->codec->width = w;
st->codec->height = h;
av_reduce(&den, &num, den, num, (1UL<<31)-1);
av_set_pts_info(st, 33, num, den);
/* flags & 0x80 means that image is interlaced,
* flags & 0x40 means that image has double height
* either way set true height
*/
if(flags & 0xC0){
st->codec->height >>= 1;
}
c->readvid = !c->has_sound;
c->vidpos = avio_tell(pb);
s->start_time = 0;
s->duration = (int64_t)c->frames * AV_TIME_BASE * num / den;
av_log(s, AV_LOG_DEBUG, "%d frame(s)\n",c->frames);
return 0;
}
| 26,178 |
FFmpeg | dcd3418a35aab7ef283b68ed9997ce4ac204094e | 0 | static int get_cv_color_primaries(AVCodecContext *avctx,
CFStringRef *primaries)
{
enum AVColorPrimaries pri = avctx->color_primaries;
switch (pri) {
case AVCOL_PRI_UNSPECIFIED:
*primaries = NULL;
break;
case AVCOL_PRI_BT709:
*primaries = kCVImageBufferColorPrimaries_ITU_R_709_2;
break;
case AVCOL_PRI_BT2020:
*primaries = kCVImageBufferColorPrimaries_ITU_R_2020;
break;
default:
av_log(avctx, AV_LOG_ERROR, "Color primaries %s is not supported.\n", av_color_primaries_name(pri));
*primaries = NULL;
return -1;
}
return 0;
}
| 26,179 |
FFmpeg | bcd7bf7eeb09a395cc01698842d1b8be9af483fc | 0 | static void avc_wgt_4x4multiple_msa(uint8_t *data,
int32_t stride,
int32_t height,
int32_t log2_denom,
int32_t src_weight,
int32_t offset_in)
{
uint8_t cnt;
uint32_t data0, data1, data2, data3;
v16u8 zero = { 0 };
v16u8 src0, src1, src2, src3;
v8u16 temp0, temp1, temp2, temp3;
v8i16 wgt, denom, offset;
offset_in <<= (log2_denom);
if (log2_denom) {
offset_in += (1 << (log2_denom - 1));
}
wgt = __msa_fill_h(src_weight);
offset = __msa_fill_h(offset_in);
denom = __msa_fill_h(log2_denom);
for (cnt = height / 4; cnt--;) {
LOAD_4WORDS_WITH_STRIDE(data, stride, data0, data1, data2, data3);
src0 = (v16u8) __msa_fill_w(data0);
src1 = (v16u8) __msa_fill_w(data1);
src2 = (v16u8) __msa_fill_w(data2);
src3 = (v16u8) __msa_fill_w(data3);
ILVR_B_4VECS_UH(src0, src1, src2, src3, zero, zero, zero, zero,
temp0, temp1, temp2, temp3);
temp0 *= wgt;
temp1 *= wgt;
temp2 *= wgt;
temp3 *= wgt;
ADDS_S_H_4VECS_UH(temp0, offset, temp1, offset,
temp2, offset, temp3, offset,
temp0, temp1, temp2, temp3);
MAXI_S_H_4VECS_UH(temp0, temp1, temp2, temp3, 0);
SRL_H_4VECS_UH(temp0, temp1, temp2, temp3,
temp0, temp1, temp2, temp3, denom);
SAT_U_H_4VECS_UH(temp0, temp1, temp2, temp3, 7);
PCKEV_B_STORE_4_BYTES_4(temp0, temp1, temp2, temp3, data, stride);
data += (4 * stride);
}
}
| 26,181 |
FFmpeg | acc163c6ab52d2235767852262c64c7f6b273d1c | 0 | static void FUNC(flac_decorrelate_indep_c)(uint8_t **out, int32_t **in,
int channels, int len, int shift)
{
sample *samples = (sample *) OUT(out);
int i, j;
for (j = 0; j < len; j++)
for (i = 0; i < channels; i++)
S(samples, i, j) = in[i][j] << shift;
}
| 26,182 |
qemu | 8f5d58ef2c92d7b82d9a6eeefd7c8854a183ba4a | 1 | void object_property_add_link(Object *obj, const char *name,
const char *type, Object **child,
void (*check)(Object *, const char *,
Object *, Error **),
ObjectPropertyLinkFlags flags,
Error **errp)
{
Error *local_err = NULL;
LinkProperty *prop = g_malloc(sizeof(*prop));
gchar *full_type;
ObjectProperty *op;
prop->child = child;
prop->check = check;
prop->flags = flags;
full_type = g_strdup_printf("link<%s>", type);
op = object_property_add(obj, name, full_type,
object_get_link_property,
check ? object_set_link_property : NULL,
object_release_link_property,
prop,
&local_err);
if (local_err) {
error_propagate(errp, local_err);
g_free(prop);
goto out;
}
op->resolve = object_resolve_link_property;
out:
g_free(full_type);
}
| 26,184 |
qemu | 2b5d5953eec0cc541857c3df812bdf8421596ab2 | 1 | static int alloc_refcount_block(BlockDriverState *bs,
int64_t cluster_index, uint16_t **refcount_block)
{
BDRVQcowState *s = bs->opaque;
unsigned int refcount_table_index;
int ret;
BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_ALLOC);
/* Find the refcount block for the given cluster */
refcount_table_index = cluster_index >> (s->cluster_bits - REFCOUNT_SHIFT);
if (refcount_table_index < s->refcount_table_size) {
uint64_t refcount_block_offset =
s->refcount_table[refcount_table_index] & REFT_OFFSET_MASK;
/* If it's already there, we're done */
if (refcount_block_offset) {
return load_refcount_block(bs, refcount_block_offset,
(void**) refcount_block);
/*
* If we came here, we need to allocate something. Something is at least
* a cluster for the new refcount block. It may also include a new refcount
* table if the old refcount table is too small.
*
* Note that allocating clusters here needs some special care:
*
* - We can't use the normal qcow2_alloc_clusters(), it would try to
* increase the refcount and very likely we would end up with an endless
* recursion. Instead we must place the refcount blocks in a way that
* they can describe them themselves.
*
* - We need to consider that at this point we are inside update_refcounts
* and potentially doing an initial refcount increase. This means that
* some clusters have already been allocated by the caller, but their
* refcount isn't accurate yet. If we allocate clusters for metadata, we
* need to return -EAGAIN to signal the caller that it needs to restart
* the search for free clusters.
*
* - alloc_clusters_noref and qcow2_free_clusters may load a different
* refcount block into the cache
*/
*refcount_block = NULL;
/* We write to the refcount table, so we might depend on L2 tables */
ret = qcow2_cache_flush(bs, s->l2_table_cache);
if (ret < 0) {
return ret;
/* Allocate the refcount block itself and mark it as used */
int64_t new_block = alloc_clusters_noref(bs, s->cluster_size);
if (new_block < 0) {
return new_block;
#ifdef DEBUG_ALLOC2
fprintf(stderr, "qcow2: Allocate refcount block %d for %" PRIx64
" at %" PRIx64 "\n",
refcount_table_index, cluster_index << s->cluster_bits, new_block);
#endif
if (in_same_refcount_block(s, new_block, cluster_index << s->cluster_bits)) {
/* Zero the new refcount block before updating it */
ret = qcow2_cache_get_empty(bs, s->refcount_block_cache, new_block,
(void**) refcount_block);
if (ret < 0) {
goto fail_block;
memset(*refcount_block, 0, s->cluster_size);
/* The block describes itself, need to update the cache */
int block_index = (new_block >> s->cluster_bits) &
((1 << (s->cluster_bits - REFCOUNT_SHIFT)) - 1);
(*refcount_block)[block_index] = cpu_to_be16(1);
} else {
/* Described somewhere else. This can recurse at most twice before we
* arrive at a block that describes itself. */
ret = update_refcount(bs, new_block, s->cluster_size, 1,
QCOW2_DISCARD_NEVER);
if (ret < 0) {
goto fail_block;
ret = qcow2_cache_flush(bs, s->refcount_block_cache);
if (ret < 0) {
goto fail_block;
/* Initialize the new refcount block only after updating its refcount,
* update_refcount uses the refcount cache itself */
ret = qcow2_cache_get_empty(bs, s->refcount_block_cache, new_block,
(void**) refcount_block);
if (ret < 0) {
goto fail_block;
memset(*refcount_block, 0, s->cluster_size);
/* Now the new refcount block needs to be written to disk */
BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_ALLOC_WRITE);
qcow2_cache_entry_mark_dirty(s->refcount_block_cache, *refcount_block);
ret = qcow2_cache_flush(bs, s->refcount_block_cache);
if (ret < 0) {
goto fail_block;
/* If the refcount table is big enough, just hook the block up there */
if (refcount_table_index < s->refcount_table_size) {
uint64_t data64 = cpu_to_be64(new_block);
BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_ALLOC_HOOKUP);
ret = bdrv_pwrite_sync(bs->file,
s->refcount_table_offset + refcount_table_index * sizeof(uint64_t),
&data64, sizeof(data64));
if (ret < 0) {
goto fail_block;
s->refcount_table[refcount_table_index] = new_block;
/* The new refcount block may be where the caller intended to put its
* data, so let it restart the search. */
return -EAGAIN;
ret = qcow2_cache_put(bs, s->refcount_block_cache, (void**) refcount_block);
if (ret < 0) {
goto fail_block;
/*
* If we come here, we need to grow the refcount table. Again, a new
* refcount table needs some space and we can't simply allocate to avoid
* endless recursion.
*
* Therefore let's grab new refcount blocks at the end of the image, which
* will describe themselves and the new refcount table. This way we can
* reference them only in the new table and do the switch to the new
* refcount table at once without producing an inconsistent state in
* between.
*/
BLKDBG_EVENT(bs->file, BLKDBG_REFTABLE_GROW);
/* Calculate the number of refcount blocks needed so far */
uint64_t refcount_block_clusters = 1 << (s->cluster_bits - REFCOUNT_SHIFT);
uint64_t blocks_used = DIV_ROUND_UP(cluster_index, refcount_block_clusters);
/* And now we need at least one block more for the new metadata */
uint64_t table_size = next_refcount_table_size(s, blocks_used + 1);
uint64_t last_table_size;
uint64_t blocks_clusters;
do {
uint64_t table_clusters =
size_to_clusters(s, table_size * sizeof(uint64_t));
blocks_clusters = 1 +
((table_clusters + refcount_block_clusters - 1)
/ refcount_block_clusters);
uint64_t meta_clusters = table_clusters + blocks_clusters;
last_table_size = table_size;
table_size = next_refcount_table_size(s, blocks_used +
((meta_clusters + refcount_block_clusters - 1)
/ refcount_block_clusters));
} while (last_table_size != table_size);
#ifdef DEBUG_ALLOC2
fprintf(stderr, "qcow2: Grow refcount table %" PRId32 " => %" PRId64 "\n",
s->refcount_table_size, table_size);
#endif
/* Create the new refcount table and blocks */
uint64_t meta_offset = (blocks_used * refcount_block_clusters) *
s->cluster_size;
uint64_t table_offset = meta_offset + blocks_clusters * s->cluster_size;
uint16_t *new_blocks = g_malloc0(blocks_clusters * s->cluster_size);
uint64_t *new_table = g_malloc0(table_size * sizeof(uint64_t));
/* Fill the new refcount table */
memcpy(new_table, s->refcount_table,
s->refcount_table_size * sizeof(uint64_t));
new_table[refcount_table_index] = new_block;
int i;
for (i = 0; i < blocks_clusters; i++) {
new_table[blocks_used + i] = meta_offset + (i * s->cluster_size);
/* Fill the refcount blocks */
uint64_t table_clusters = size_to_clusters(s, table_size * sizeof(uint64_t));
int block = 0;
for (i = 0; i < table_clusters + blocks_clusters; i++) {
new_blocks[block++] = cpu_to_be16(1);
/* Write refcount blocks to disk */
BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_ALLOC_WRITE_BLOCKS);
ret = bdrv_pwrite_sync(bs->file, meta_offset, new_blocks,
blocks_clusters * s->cluster_size);
g_free(new_blocks);
if (ret < 0) {
goto fail_table;
/* Write refcount table to disk */
for(i = 0; i < table_size; i++) {
cpu_to_be64s(&new_table[i]);
BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_ALLOC_WRITE_TABLE);
ret = bdrv_pwrite_sync(bs->file, table_offset, new_table,
table_size * sizeof(uint64_t));
if (ret < 0) {
goto fail_table;
for(i = 0; i < table_size; i++) {
be64_to_cpus(&new_table[i]);
/* Hook up the new refcount table in the qcow2 header */
uint8_t data[12];
cpu_to_be64w((uint64_t*)data, table_offset);
cpu_to_be32w((uint32_t*)(data + 8), table_clusters);
BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_ALLOC_SWITCH_TABLE);
ret = bdrv_pwrite_sync(bs->file, offsetof(QCowHeader, refcount_table_offset),
data, sizeof(data));
if (ret < 0) {
goto fail_table;
/* And switch it in memory */
uint64_t old_table_offset = s->refcount_table_offset;
uint64_t old_table_size = s->refcount_table_size;
g_free(s->refcount_table);
s->refcount_table = new_table;
s->refcount_table_size = table_size;
s->refcount_table_offset = table_offset;
/* Free old table. */
qcow2_free_clusters(bs, old_table_offset, old_table_size * sizeof(uint64_t),
QCOW2_DISCARD_OTHER);
ret = load_refcount_block(bs, new_block, (void**) refcount_block);
if (ret < 0) {
return ret;
/* If we were trying to do the initial refcount update for some cluster
* allocation, we might have used the same clusters to store newly
* allocated metadata. Make the caller search some new space. */
return -EAGAIN;
fail_table:
g_free(new_table);
fail_block:
if (*refcount_block != NULL) {
qcow2_cache_put(bs, s->refcount_block_cache, (void**) refcount_block);
return ret; | 26,185 |
qemu | d9bce9d99f4656ae0b0127f7472db9067b8f84ab | 1 | PPC_OP(test_ctrz)
{
T0 = (regs->ctr == 0);
RETURN();
}
| 26,186 |
qemu | fe3c546c5ff2a6210f9a4d8561cc64051ca8603e | 1 | static void usb_net_handle_dataout(USBNetState *s, USBPacket *p)
{
int sz = sizeof(s->out_buf) - s->out_ptr;
struct rndis_packet_msg_type *msg =
(struct rndis_packet_msg_type *) s->out_buf;
uint32_t len;
#ifdef TRAFFIC_DEBUG
fprintf(stderr, "usbnet: data out len %zu\n", p->iov.size);
iov_hexdump(p->iov.iov, p->iov.niov, stderr, "usbnet", p->iov.size);
#endif
if (sz > p->iov.size) {
sz = p->iov.size;
}
usb_packet_copy(p, &s->out_buf[s->out_ptr], sz);
s->out_ptr += sz;
if (!is_rndis(s)) {
if (p->iov.size < 64) {
qemu_send_packet(qemu_get_queue(s->nic), s->out_buf, s->out_ptr);
s->out_ptr = 0;
}
return;
}
len = le32_to_cpu(msg->MessageLength);
if (s->out_ptr < 8 || s->out_ptr < len) {
return;
}
if (le32_to_cpu(msg->MessageType) == RNDIS_PACKET_MSG) {
uint32_t offs = 8 + le32_to_cpu(msg->DataOffset);
uint32_t size = le32_to_cpu(msg->DataLength);
if (offs + size <= len)
qemu_send_packet(qemu_get_queue(s->nic), s->out_buf + offs, size);
}
s->out_ptr -= len;
memmove(s->out_buf, &s->out_buf[len], s->out_ptr);
}
| 26,187 |
qemu | b923ab3112ed5ab47c2ff35776f17ab54c60d651 | 1 | static void quiesce_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
SCLPEventClass *k = SCLP_EVENT_CLASS(klass);
dc->reset = quiesce_reset;
dc->vmsd = &vmstate_sclpquiesce;
set_bit(DEVICE_CATEGORY_MISC, dc->categories);
k->init = quiesce_init;
k->get_send_mask = send_mask;
k->get_receive_mask = receive_mask;
k->can_handle_event = can_handle_event;
k->read_event_data = read_event_data;
k->write_event_data = NULL;
}
| 26,188 |
FFmpeg | c9c7263e5820c957598643216c42be9b1c4f2d2b | 0 | static int mov_open_dref(MOVContext *c, AVIOContext **pb, const char *src, MOVDref *ref,
AVIOInterruptCB *int_cb)
{
AVOpenCallback open_func = c->fc->open_cb;
if (!open_func)
open_func = ffio_open2_wrapper;
/* try relative path, we do not try the absolute because it can leak information about our
system to an attacker */
if (ref->nlvl_to > 0 && ref->nlvl_from > 0 && ref->path[0] != '/') {
char filename[1025];
const char *src_path;
int i, l;
/* find a source dir */
src_path = strrchr(src, '/');
if (src_path)
src_path++;
else
src_path = src;
/* find a next level down to target */
for (i = 0, l = strlen(ref->path) - 1; l >= 0; l--)
if (ref->path[l] == '/') {
if (i == ref->nlvl_to - 1)
break;
else
i++;
}
/* compose filename if next level down to target was found */
if (i == ref->nlvl_to - 1 && src_path - src < sizeof(filename)) {
memcpy(filename, src, src_path - src);
filename[src_path - src] = 0;
for (i = 1; i < ref->nlvl_from; i++)
av_strlcat(filename, "../", sizeof(filename));
av_strlcat(filename, ref->path + l + 1, sizeof(filename));
if (!c->use_absolute_path && !c->fc->open_cb)
if(strstr(ref->path + l + 1, "..") || ref->nlvl_from > 1)
return AVERROR(ENOENT);
if (strlen(filename) + 1 == sizeof(filename))
return AVERROR(ENOENT);
if (!open_func(c->fc, pb, filename, AVIO_FLAG_READ, int_cb, NULL))
return 0;
}
} else if (c->use_absolute_path) {
av_log(c->fc, AV_LOG_WARNING, "Using absolute path on user request, "
"this is a possible security issue\n");
if (!open_func(c->fc, pb, ref->path, AVIO_FLAG_READ, int_cb, NULL))
return 0;
} else if (c->fc->open_cb) {
if (!open_func(c->fc, pb, ref->path, AVIO_FLAG_READ, int_cb, NULL))
return 0;
} else {
av_log(c->fc, AV_LOG_ERROR,
"Absolute path %s not tried for security reasons, "
"set demuxer option use_absolute_path to allow absolute paths\n",
ref->path);
}
return AVERROR(ENOENT);
}
| 26,189 |
FFmpeg | aac8b76983e340bc744d3542d676f72efa3b474f | 0 | static void filter_mb_edgev( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int qp ) {
int i, d;
const int index_a = qp + h->slice_alpha_c0_offset;
const int alpha = (alpha_table+52)[index_a];
const int beta = (beta_table+52)[qp + h->slice_beta_offset];
if( bS[0] < 4 ) {
int8_t tc[4];
for(i=0; i<4; i++)
tc[i] = bS[i] ? (tc0_table+52)[index_a][bS[i] - 1] : -1;
h->s.dsp.h264_h_loop_filter_luma(pix, stride, alpha, beta, tc);
} else {
h->s.dsp.h264_h_loop_filter_luma_intra(pix, stride, alpha, beta);
}
}
| 26,190 |
qemu | 1964a397063967acc5ce71a2a24ed26e74824ee1 | 0 | int qemu_file_rate_limit(QEMUFile *f)
{
if (f->ops->rate_limit)
return f->ops->rate_limit(f->opaque);
return 0;
}
| 26,192 |
qemu | 850f49de9b57511dcaf2cd7e45059f8f38fadf3b | 0 | qcrypto_block_luks_create(QCryptoBlock *block,
QCryptoBlockCreateOptions *options,
const char *optprefix,
QCryptoBlockInitFunc initfunc,
QCryptoBlockWriteFunc writefunc,
void *opaque,
Error **errp)
{
QCryptoBlockLUKS *luks;
QCryptoBlockCreateOptionsLUKS luks_opts;
Error *local_err = NULL;
uint8_t *masterkey = NULL;
uint8_t *slotkey = NULL;
uint8_t *splitkey = NULL;
size_t splitkeylen = 0;
size_t i;
QCryptoCipher *cipher = NULL;
QCryptoIVGen *ivgen = NULL;
char *password;
const char *cipher_alg;
const char *cipher_mode;
const char *ivgen_alg;
const char *ivgen_hash_alg = NULL;
const char *hash_alg;
char *cipher_mode_spec = NULL;
QCryptoCipherAlgorithm ivcipheralg = 0;
uint64_t iters;
memcpy(&luks_opts, &options->u.luks, sizeof(luks_opts));
if (!luks_opts.has_iter_time) {
luks_opts.iter_time = 2000;
}
if (!luks_opts.has_cipher_alg) {
luks_opts.cipher_alg = QCRYPTO_CIPHER_ALG_AES_256;
}
if (!luks_opts.has_cipher_mode) {
luks_opts.cipher_mode = QCRYPTO_CIPHER_MODE_XTS;
}
if (!luks_opts.has_ivgen_alg) {
luks_opts.ivgen_alg = QCRYPTO_IVGEN_ALG_PLAIN64;
}
if (!luks_opts.has_hash_alg) {
luks_opts.hash_alg = QCRYPTO_HASH_ALG_SHA256;
}
if (luks_opts.ivgen_alg == QCRYPTO_IVGEN_ALG_ESSIV) {
if (!luks_opts.has_ivgen_hash_alg) {
luks_opts.ivgen_hash_alg = QCRYPTO_HASH_ALG_SHA256;
luks_opts.has_ivgen_hash_alg = true;
}
}
/* Note we're allowing ivgen_hash_alg to be set even for
* non-essiv iv generators that don't need a hash. It will
* be silently ignored, for compatibility with dm-crypt */
if (!options->u.luks.key_secret) {
error_setg(errp, "Parameter '%skey-secret' is required for cipher",
optprefix ? optprefix : "");
return -1;
}
password = qcrypto_secret_lookup_as_utf8(luks_opts.key_secret, errp);
if (!password) {
return -1;
}
luks = g_new0(QCryptoBlockLUKS, 1);
block->opaque = luks;
memcpy(luks->header.magic, qcrypto_block_luks_magic,
QCRYPTO_BLOCK_LUKS_MAGIC_LEN);
/* We populate the header in native endianness initially and
* then convert everything to big endian just before writing
* it out to disk
*/
luks->header.version = QCRYPTO_BLOCK_LUKS_VERSION;
qcrypto_block_luks_uuid_gen(luks->header.uuid);
cipher_alg = qcrypto_block_luks_cipher_alg_lookup(luks_opts.cipher_alg,
errp);
if (!cipher_alg) {
goto error;
}
cipher_mode = QCryptoCipherMode_str(luks_opts.cipher_mode);
ivgen_alg = QCryptoIVGenAlgorithm_str(luks_opts.ivgen_alg);
if (luks_opts.has_ivgen_hash_alg) {
ivgen_hash_alg = QCryptoHashAlgorithm_str(luks_opts.ivgen_hash_alg);
cipher_mode_spec = g_strdup_printf("%s-%s:%s", cipher_mode, ivgen_alg,
ivgen_hash_alg);
} else {
cipher_mode_spec = g_strdup_printf("%s-%s", cipher_mode, ivgen_alg);
}
hash_alg = QCryptoHashAlgorithm_str(luks_opts.hash_alg);
if (strlen(cipher_alg) >= QCRYPTO_BLOCK_LUKS_CIPHER_NAME_LEN) {
error_setg(errp, "Cipher name '%s' is too long for LUKS header",
cipher_alg);
goto error;
}
if (strlen(cipher_mode_spec) >= QCRYPTO_BLOCK_LUKS_CIPHER_MODE_LEN) {
error_setg(errp, "Cipher mode '%s' is too long for LUKS header",
cipher_mode_spec);
goto error;
}
if (strlen(hash_alg) >= QCRYPTO_BLOCK_LUKS_HASH_SPEC_LEN) {
error_setg(errp, "Hash name '%s' is too long for LUKS header",
hash_alg);
goto error;
}
if (luks_opts.ivgen_alg == QCRYPTO_IVGEN_ALG_ESSIV) {
ivcipheralg = qcrypto_block_luks_essiv_cipher(luks_opts.cipher_alg,
luks_opts.ivgen_hash_alg,
&local_err);
if (local_err) {
error_propagate(errp, local_err);
goto error;
}
} else {
ivcipheralg = luks_opts.cipher_alg;
}
strcpy(luks->header.cipher_name, cipher_alg);
strcpy(luks->header.cipher_mode, cipher_mode_spec);
strcpy(luks->header.hash_spec, hash_alg);
luks->header.key_bytes = qcrypto_cipher_get_key_len(luks_opts.cipher_alg);
if (luks_opts.cipher_mode == QCRYPTO_CIPHER_MODE_XTS) {
luks->header.key_bytes *= 2;
}
/* Generate the salt used for hashing the master key
* with PBKDF later
*/
if (qcrypto_random_bytes(luks->header.master_key_salt,
QCRYPTO_BLOCK_LUKS_SALT_LEN,
errp) < 0) {
goto error;
}
/* Generate random master key */
masterkey = g_new0(uint8_t, luks->header.key_bytes);
if (qcrypto_random_bytes(masterkey,
luks->header.key_bytes, errp) < 0) {
goto error;
}
/* Setup the block device payload encryption objects */
block->cipher = qcrypto_cipher_new(luks_opts.cipher_alg,
luks_opts.cipher_mode,
masterkey, luks->header.key_bytes,
errp);
if (!block->cipher) {
goto error;
}
block->kdfhash = luks_opts.hash_alg;
block->niv = qcrypto_cipher_get_iv_len(luks_opts.cipher_alg,
luks_opts.cipher_mode);
block->ivgen = qcrypto_ivgen_new(luks_opts.ivgen_alg,
ivcipheralg,
luks_opts.ivgen_hash_alg,
masterkey, luks->header.key_bytes,
errp);
if (!block->ivgen) {
goto error;
}
/* Determine how many iterations we need to hash the master
* key, in order to have 1 second of compute time used
*/
iters = qcrypto_pbkdf2_count_iters(luks_opts.hash_alg,
masterkey, luks->header.key_bytes,
luks->header.master_key_salt,
QCRYPTO_BLOCK_LUKS_SALT_LEN,
QCRYPTO_BLOCK_LUKS_DIGEST_LEN,
&local_err);
if (local_err) {
error_propagate(errp, local_err);
goto error;
}
if (iters > (ULLONG_MAX / luks_opts.iter_time)) {
error_setg_errno(errp, ERANGE,
"PBKDF iterations %llu too large to scale",
(unsigned long long)iters);
goto error;
}
/* iter_time was in millis, but count_iters reported for secs */
iters = iters * luks_opts.iter_time / 1000;
/* Why /= 8 ? That matches cryptsetup, but there's no
* explanation why they chose /= 8... Probably so that
* if all 8 keyslots are active we only spend 1 second
* in total time to check all keys */
iters /= 8;
if (iters > UINT32_MAX) {
error_setg_errno(errp, ERANGE,
"PBKDF iterations %llu larger than %u",
(unsigned long long)iters, UINT32_MAX);
goto error;
}
iters = MAX(iters, QCRYPTO_BLOCK_LUKS_MIN_MASTER_KEY_ITERS);
luks->header.master_key_iterations = iters;
/* Hash the master key, saving the result in the LUKS
* header. This hash is used when opening the encrypted
* device to verify that the user password unlocked a
* valid master key
*/
if (qcrypto_pbkdf2(luks_opts.hash_alg,
masterkey, luks->header.key_bytes,
luks->header.master_key_salt,
QCRYPTO_BLOCK_LUKS_SALT_LEN,
luks->header.master_key_iterations,
luks->header.master_key_digest,
QCRYPTO_BLOCK_LUKS_DIGEST_LEN,
errp) < 0) {
goto error;
}
/* Although LUKS has multiple key slots, we're just going
* to use the first key slot */
splitkeylen = luks->header.key_bytes * QCRYPTO_BLOCK_LUKS_STRIPES;
for (i = 0; i < QCRYPTO_BLOCK_LUKS_NUM_KEY_SLOTS; i++) {
luks->header.key_slots[i].active = i == 0 ?
QCRYPTO_BLOCK_LUKS_KEY_SLOT_ENABLED :
QCRYPTO_BLOCK_LUKS_KEY_SLOT_DISABLED;
luks->header.key_slots[i].stripes = QCRYPTO_BLOCK_LUKS_STRIPES;
/* This calculation doesn't match that shown in the spec,
* but instead follows the cryptsetup implementation.
*/
luks->header.key_slots[i].key_offset =
(QCRYPTO_BLOCK_LUKS_KEY_SLOT_OFFSET /
QCRYPTO_BLOCK_LUKS_SECTOR_SIZE) +
(ROUND_UP(DIV_ROUND_UP(splitkeylen, QCRYPTO_BLOCK_LUKS_SECTOR_SIZE),
(QCRYPTO_BLOCK_LUKS_KEY_SLOT_OFFSET /
QCRYPTO_BLOCK_LUKS_SECTOR_SIZE)) * i);
}
if (qcrypto_random_bytes(luks->header.key_slots[0].salt,
QCRYPTO_BLOCK_LUKS_SALT_LEN,
errp) < 0) {
goto error;
}
/* Again we determine how many iterations are required to
* hash the user password while consuming 1 second of compute
* time */
iters = qcrypto_pbkdf2_count_iters(luks_opts.hash_alg,
(uint8_t *)password, strlen(password),
luks->header.key_slots[0].salt,
QCRYPTO_BLOCK_LUKS_SALT_LEN,
luks->header.key_bytes,
&local_err);
if (local_err) {
error_propagate(errp, local_err);
goto error;
}
if (iters > (ULLONG_MAX / luks_opts.iter_time)) {
error_setg_errno(errp, ERANGE,
"PBKDF iterations %llu too large to scale",
(unsigned long long)iters);
goto error;
}
/* iter_time was in millis, but count_iters reported for secs */
iters = iters * luks_opts.iter_time / 1000;
if (iters > UINT32_MAX) {
error_setg_errno(errp, ERANGE,
"PBKDF iterations %llu larger than %u",
(unsigned long long)iters, UINT32_MAX);
goto error;
}
luks->header.key_slots[0].iterations =
MAX(iters, QCRYPTO_BLOCK_LUKS_MIN_SLOT_KEY_ITERS);
/* Generate a key that we'll use to encrypt the master
* key, from the user's password
*/
slotkey = g_new0(uint8_t, luks->header.key_bytes);
if (qcrypto_pbkdf2(luks_opts.hash_alg,
(uint8_t *)password, strlen(password),
luks->header.key_slots[0].salt,
QCRYPTO_BLOCK_LUKS_SALT_LEN,
luks->header.key_slots[0].iterations,
slotkey, luks->header.key_bytes,
errp) < 0) {
goto error;
}
/* Setup the encryption objects needed to encrypt the
* master key material
*/
cipher = qcrypto_cipher_new(luks_opts.cipher_alg,
luks_opts.cipher_mode,
slotkey, luks->header.key_bytes,
errp);
if (!cipher) {
goto error;
}
ivgen = qcrypto_ivgen_new(luks_opts.ivgen_alg,
ivcipheralg,
luks_opts.ivgen_hash_alg,
slotkey, luks->header.key_bytes,
errp);
if (!ivgen) {
goto error;
}
/* Before storing the master key, we need to vastly
* increase its size, as protection against forensic
* disk data recovery */
splitkey = g_new0(uint8_t, splitkeylen);
if (qcrypto_afsplit_encode(luks_opts.hash_alg,
luks->header.key_bytes,
luks->header.key_slots[0].stripes,
masterkey,
splitkey,
errp) < 0) {
goto error;
}
/* Now we encrypt the split master key with the key generated
* from the user's password, before storing it */
if (qcrypto_block_encrypt_helper(cipher, block->niv, ivgen,
QCRYPTO_BLOCK_LUKS_SECTOR_SIZE,
0,
splitkey,
splitkeylen,
errp) < 0) {
goto error;
}
/* The total size of the LUKS headers is the partition header + key
* slot headers, rounded up to the nearest sector, combined with
* the size of each master key material region, also rounded up
* to the nearest sector */
luks->header.payload_offset =
(QCRYPTO_BLOCK_LUKS_KEY_SLOT_OFFSET /
QCRYPTO_BLOCK_LUKS_SECTOR_SIZE) +
(ROUND_UP(DIV_ROUND_UP(splitkeylen, QCRYPTO_BLOCK_LUKS_SECTOR_SIZE),
(QCRYPTO_BLOCK_LUKS_KEY_SLOT_OFFSET /
QCRYPTO_BLOCK_LUKS_SECTOR_SIZE)) *
QCRYPTO_BLOCK_LUKS_NUM_KEY_SLOTS);
block->payload_offset = luks->header.payload_offset *
QCRYPTO_BLOCK_LUKS_SECTOR_SIZE;
/* Reserve header space to match payload offset */
initfunc(block, block->payload_offset, opaque, &local_err);
if (local_err) {
error_propagate(errp, local_err);
goto error;
}
/* Everything on disk uses Big Endian, so flip header fields
* before writing them */
cpu_to_be16s(&luks->header.version);
cpu_to_be32s(&luks->header.payload_offset);
cpu_to_be32s(&luks->header.key_bytes);
cpu_to_be32s(&luks->header.master_key_iterations);
for (i = 0; i < QCRYPTO_BLOCK_LUKS_NUM_KEY_SLOTS; i++) {
cpu_to_be32s(&luks->header.key_slots[i].active);
cpu_to_be32s(&luks->header.key_slots[i].iterations);
cpu_to_be32s(&luks->header.key_slots[i].key_offset);
cpu_to_be32s(&luks->header.key_slots[i].stripes);
}
/* Write out the partition header and key slot headers */
writefunc(block, 0,
(const uint8_t *)&luks->header,
sizeof(luks->header),
opaque,
&local_err);
/* Delay checking local_err until we've byte-swapped */
/* Byte swap the header back to native, in case we need
* to read it again later */
be16_to_cpus(&luks->header.version);
be32_to_cpus(&luks->header.payload_offset);
be32_to_cpus(&luks->header.key_bytes);
be32_to_cpus(&luks->header.master_key_iterations);
for (i = 0; i < QCRYPTO_BLOCK_LUKS_NUM_KEY_SLOTS; i++) {
be32_to_cpus(&luks->header.key_slots[i].active);
be32_to_cpus(&luks->header.key_slots[i].iterations);
be32_to_cpus(&luks->header.key_slots[i].key_offset);
be32_to_cpus(&luks->header.key_slots[i].stripes);
}
if (local_err) {
error_propagate(errp, local_err);
goto error;
}
/* Write out the master key material, starting at the
* sector immediately following the partition header. */
if (writefunc(block,
luks->header.key_slots[0].key_offset *
QCRYPTO_BLOCK_LUKS_SECTOR_SIZE,
splitkey, splitkeylen,
opaque,
errp) != splitkeylen) {
goto error;
}
luks->cipher_alg = luks_opts.cipher_alg;
luks->cipher_mode = luks_opts.cipher_mode;
luks->ivgen_alg = luks_opts.ivgen_alg;
luks->ivgen_hash_alg = luks_opts.ivgen_hash_alg;
luks->hash_alg = luks_opts.hash_alg;
memset(masterkey, 0, luks->header.key_bytes);
g_free(masterkey);
memset(slotkey, 0, luks->header.key_bytes);
g_free(slotkey);
g_free(splitkey);
g_free(password);
g_free(cipher_mode_spec);
qcrypto_ivgen_free(ivgen);
qcrypto_cipher_free(cipher);
return 0;
error:
if (masterkey) {
memset(masterkey, 0, luks->header.key_bytes);
}
g_free(masterkey);
if (slotkey) {
memset(slotkey, 0, luks->header.key_bytes);
}
g_free(slotkey);
g_free(splitkey);
g_free(password);
g_free(cipher_mode_spec);
qcrypto_ivgen_free(ivgen);
qcrypto_cipher_free(cipher);
g_free(luks);
return -1;
}
| 26,193 |
qemu | 424e4a87d20027acf52e65f322a2100460162a49 | 0 | static void pc_cmos_init_late(void *opaque)
{
pc_cmos_init_late_arg *arg = opaque;
ISADevice *s = arg->rtc_state;
int16_t cylinders;
int8_t heads, sectors;
int val;
int i, trans;
Object *container;
CheckFdcState state = { 0 };
val = 0;
if (ide_get_geometry(arg->idebus[0], 0,
&cylinders, &heads, §ors) >= 0) {
cmos_init_hd(s, 0x19, 0x1b, cylinders, heads, sectors);
val |= 0xf0;
}
if (ide_get_geometry(arg->idebus[0], 1,
&cylinders, &heads, §ors) >= 0) {
cmos_init_hd(s, 0x1a, 0x24, cylinders, heads, sectors);
val |= 0x0f;
}
rtc_set_memory(s, 0x12, val);
val = 0;
for (i = 0; i < 4; i++) {
/* NOTE: ide_get_geometry() returns the physical
geometry. It is always such that: 1 <= sects <= 63, 1
<= heads <= 16, 1 <= cylinders <= 16383. The BIOS
geometry can be different if a translation is done. */
if (ide_get_geometry(arg->idebus[i / 2], i % 2,
&cylinders, &heads, §ors) >= 0) {
trans = ide_get_bios_chs_trans(arg->idebus[i / 2], i % 2) - 1;
assert((trans & ~3) == 0);
val |= trans << (i * 2);
}
}
rtc_set_memory(s, 0x39, val);
/*
* Locate the FDC at IO address 0x3f0, and configure the CMOS registers
* accordingly.
*/
for (i = 0; i < ARRAY_SIZE(fdc_container_path); i++) {
container = container_get(qdev_get_machine(), fdc_container_path[i]);
object_child_foreach(container, check_fdc, &state);
}
if (state.multiple) {
error_report("warning: multiple floppy disk controllers with "
"iobase=0x3f0 have been found;\n"
"the one being picked for CMOS setup might not reflect "
"your intent");
}
pc_cmos_init_floppy(s, state.floppy);
qemu_unregister_reset(pc_cmos_init_late, opaque);
}
| 26,194 |
qemu | 2bd3e04c3b3c76d573435a299a4d85bad0021a90 | 0 | static void kvm_mce_broadcast_rest(CPUState *env)
{
CPUState *cenv;
int family, model, cpuver = env->cpuid_version;
family = (cpuver >> 8) & 0xf;
model = ((cpuver >> 12) & 0xf0) + ((cpuver >> 4) & 0xf);
/* Broadcast MCA signal for processor version 06H_EH and above */
if ((family == 6 && model >= 14) || family > 6) {
for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu) {
if (cenv == env) {
continue;
}
kvm_inject_x86_mce(cenv, 1, MCI_STATUS_VAL | MCI_STATUS_UC,
MCG_STATUS_MCIP | MCG_STATUS_RIPV, 0, 0,
ABORT_ON_ERROR);
}
}
}
| 26,195 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static struct omap_lpg_s *omap_lpg_init(MemoryRegion *system_memory,
target_phys_addr_t base, omap_clk clk)
{
struct omap_lpg_s *s = (struct omap_lpg_s *)
g_malloc0(sizeof(struct omap_lpg_s));
s->tm = qemu_new_timer_ms(vm_clock, omap_lpg_tick, s);
omap_lpg_reset(s);
memory_region_init_io(&s->iomem, &omap_lpg_ops, s, "omap-lpg", 0x800);
memory_region_add_subregion(system_memory, base, &s->iomem);
omap_clk_adduser(clk, qemu_allocate_irqs(omap_lpg_clk_update, s, 1)[0]);
return s;
}
| 26,196 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static int vapic_enable(VAPICROMState *s, CPUX86State *env)
{
int cpu_number = get_kpcr_number(env);
target_phys_addr_t vapic_paddr;
static const uint8_t enabled = 1;
if (cpu_number < 0) {
return -1;
}
vapic_paddr = s->vapic_paddr +
(((target_phys_addr_t)cpu_number) << VAPIC_CPU_SHIFT);
cpu_physical_memory_rw(vapic_paddr + offsetof(VAPICState, enabled),
(void *)&enabled, sizeof(enabled), 1);
apic_enable_vapic(env->apic_state, vapic_paddr);
s->state = VAPIC_ACTIVE;
return 0;
}
| 26,197 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static void omap_id_write(void *opaque, target_phys_addr_t addr,
uint64_t value, unsigned size)
{
if (size != 4) {
return omap_badwidth_write32(opaque, addr, value);
}
OMAP_BAD_REG(addr);
}
| 26,198 |
qemu | 4be746345f13e99e468c60acbd3a355e8183e3ce | 0 | static void scsi_unmap_complete(void *opaque, int ret)
{
UnmapCBData *data = opaque;
SCSIDiskReq *r = data->r;
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev);
uint64_t sector_num;
uint32_t nb_sectors;
r->req.aiocb = NULL;
if (r->req.io_canceled) {
scsi_req_cancel_complete(&r->req);
goto done;
}
if (ret < 0) {
if (scsi_handle_rw_error(r, -ret)) {
goto done;
}
}
if (data->count > 0) {
sector_num = ldq_be_p(&data->inbuf[0]);
nb_sectors = ldl_be_p(&data->inbuf[8]) & 0xffffffffULL;
if (!check_lba_range(s, sector_num, nb_sectors)) {
scsi_check_condition(r, SENSE_CODE(LBA_OUT_OF_RANGE));
goto done;
}
r->req.aiocb = bdrv_aio_discard(s->qdev.conf.bs,
sector_num * (s->qdev.blocksize / 512),
nb_sectors * (s->qdev.blocksize / 512),
scsi_unmap_complete, data);
data->count--;
data->inbuf += 16;
return;
}
scsi_req_complete(&r->req, GOOD);
done:
scsi_req_unref(&r->req);
g_free(data);
}
| 26,200 |
FFmpeg | e55ed689a264c78f332745598ea8c58a3422ee13 | 0 | static void selfTest(uint8_t *src[4], int stride[4], int w, int h){
enum PixelFormat srcFormat, dstFormat;
int srcW, srcH, dstW, dstH;
int flags;
for (srcFormat = 0; srcFormat < PIX_FMT_NB; srcFormat++) {
for (dstFormat = 0; dstFormat < PIX_FMT_NB; dstFormat++) {
printf("%s -> %s\n",
sws_format_name(srcFormat),
sws_format_name(dstFormat));
fflush(stdout);
srcW= w;
srcH= h;
for (dstW=w - w/3; dstW<= 4*w/3; dstW+= w/3){
for (dstH=h - h/3; dstH<= 4*h/3; dstH+= h/3){
for (flags=1; flags<33; flags*=2) {
int res;
res = doTest(src, stride, w, h, srcFormat, dstFormat,
srcW, srcH, dstW, dstH, flags);
if (res < 0) {
dstW = 4 * w / 3;
dstH = 4 * h / 3;
flags = 33;
}
}
}
}
}
}
}
| 26,201 |
qemu | 4baef2679e029c76707be1e2ed54bf3dd21693fe | 0 | int qemu_strtoi64(const char *nptr, const char **endptr, int base,
int64_t *result)
{
char *ep;
int err = 0;
if (!nptr) {
if (endptr) {
*endptr = nptr;
}
err = -EINVAL;
} else {
errno = 0;
/* FIXME This assumes int64_t is long long */
*result = strtoll(nptr, &ep, base);
err = check_strtox_error(nptr, ep, endptr, errno);
}
return err;
}
| 26,204 |
qemu | 88571882516a7cb4291a329c537eb79fd126e1f2 | 0 | static int qemu_rdma_exchange_get_response(RDMAContext *rdma,
RDMAControlHeader *head, int expecting, int idx)
{
int ret = qemu_rdma_block_for_wrid(rdma, RDMA_WRID_RECV_CONTROL + idx);
if (ret < 0) {
fprintf(stderr, "rdma migration: recv polling control error!\n");
return ret;
}
network_to_control((void *) rdma->wr_data[idx].control);
memcpy(head, rdma->wr_data[idx].control, sizeof(RDMAControlHeader));
DDDPRINTF("CONTROL: %s receiving...\n", control_desc[expecting]);
if (expecting == RDMA_CONTROL_NONE) {
DDDPRINTF("Surprise: got %s (%d)\n",
control_desc[head->type], head->type);
} else if (head->type != expecting || head->type == RDMA_CONTROL_ERROR) {
fprintf(stderr, "Was expecting a %s (%d) control message"
", but got: %s (%d), length: %d\n",
control_desc[expecting], expecting,
control_desc[head->type], head->type, head->len);
return -EIO;
}
if (head->len > RDMA_CONTROL_MAX_BUFFER - sizeof(*head)) {
fprintf(stderr, "too long length: %d\n", head->len);
return -EINVAL;
}
return 0;
}
| 26,205 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static void omap_tcmi_init(MemoryRegion *memory, target_phys_addr_t base,
struct omap_mpu_state_s *mpu)
{
memory_region_init_io(&mpu->tcmi_iomem, &omap_tcmi_ops, mpu,
"omap-tcmi", 0x100);
memory_region_add_subregion(memory, base, &mpu->tcmi_iomem);
omap_tcmi_reset(mpu);
}
| 26,206 |
qemu | fc9f38c3c0f42b7e98957b646976ee5b63f23806 | 0 | static void spapr_machine_2_5_class_options(MachineClass *mc)
{
sPAPRMachineClass *smc = SPAPR_MACHINE_CLASS(mc);
mc->alias = "pseries";
mc->is_default = 1;
smc->dr_lmb_enabled = true;
}
| 26,207 |
qemu | e1d177b922f52569e900e96d611caa09655bdec9 | 1 | static int disas_thumb2_insn(CPUState *env, DisasContext *s, uint16_t insn_hw1)
{
uint32_t insn, imm, shift, offset;
uint32_t rd, rn, rm, rs;
TCGv tmp;
TCGv tmp2;
TCGv tmp3;
TCGv addr;
TCGv_i64 tmp64;
int op;
int shiftop;
int conds;
int logic_cc;
if (!(arm_feature(env, ARM_FEATURE_THUMB2)
|| arm_feature (env, ARM_FEATURE_M))) {
/* Thumb-1 cores may need to treat bl and blx as a pair of
16-bit instructions to get correct prefetch abort behavior. */
insn = insn_hw1;
if ((insn & (1 << 12)) == 0) {
/* Second half of blx. */
offset = ((insn & 0x7ff) << 1);
tmp = load_reg(s, 14);
tcg_gen_addi_i32(tmp, tmp, offset);
tcg_gen_andi_i32(tmp, tmp, 0xfffffffc);
tmp2 = tcg_temp_new_i32();
tcg_gen_movi_i32(tmp2, s->pc | 1);
store_reg(s, 14, tmp2);
gen_bx(s, tmp);
return 0;
}
if (insn & (1 << 11)) {
/* Second half of bl. */
offset = ((insn & 0x7ff) << 1) | 1;
tmp = load_reg(s, 14);
tcg_gen_addi_i32(tmp, tmp, offset);
tmp2 = tcg_temp_new_i32();
tcg_gen_movi_i32(tmp2, s->pc | 1);
store_reg(s, 14, tmp2);
gen_bx(s, tmp);
return 0;
}
if ((s->pc & ~TARGET_PAGE_MASK) == 0) {
/* Instruction spans a page boundary. Implement it as two
16-bit instructions in case the second half causes an
prefetch abort. */
offset = ((int32_t)insn << 21) >> 9;
tcg_gen_movi_i32(cpu_R[14], s->pc + 2 + offset);
return 0;
}
/* Fall through to 32-bit decode. */
}
insn = lduw_code(s->pc);
s->pc += 2;
insn |= (uint32_t)insn_hw1 << 16;
if ((insn & 0xf800e800) != 0xf000e800) {
ARCH(6T2);
}
rn = (insn >> 16) & 0xf;
rs = (insn >> 12) & 0xf;
rd = (insn >> 8) & 0xf;
rm = insn & 0xf;
switch ((insn >> 25) & 0xf) {
case 0: case 1: case 2: case 3:
/* 16-bit instructions. Should never happen. */
abort();
case 4:
if (insn & (1 << 22)) {
/* Other load/store, table branch. */
if (insn & 0x01200000) {
/* Load/store doubleword. */
if (rn == 15) {
addr = tcg_temp_new_i32();
tcg_gen_movi_i32(addr, s->pc & ~3);
} else {
addr = load_reg(s, rn);
}
offset = (insn & 0xff) * 4;
if ((insn & (1 << 23)) == 0)
offset = -offset;
if (insn & (1 << 24)) {
tcg_gen_addi_i32(addr, addr, offset);
offset = 0;
}
if (insn & (1 << 20)) {
/* ldrd */
tmp = gen_ld32(addr, IS_USER(s));
store_reg(s, rs, tmp);
tcg_gen_addi_i32(addr, addr, 4);
tmp = gen_ld32(addr, IS_USER(s));
store_reg(s, rd, tmp);
} else {
/* strd */
tmp = load_reg(s, rs);
gen_st32(tmp, addr, IS_USER(s));
tcg_gen_addi_i32(addr, addr, 4);
tmp = load_reg(s, rd);
gen_st32(tmp, addr, IS_USER(s));
}
if (insn & (1 << 21)) {
/* Base writeback. */
if (rn == 15)
goto illegal_op;
tcg_gen_addi_i32(addr, addr, offset - 4);
store_reg(s, rn, addr);
} else {
tcg_temp_free_i32(addr);
}
} else if ((insn & (1 << 23)) == 0) {
/* Load/store exclusive word. */
addr = tcg_temp_local_new();
load_reg_var(s, addr, rn);
tcg_gen_addi_i32(addr, addr, (insn & 0xff) << 2);
if (insn & (1 << 20)) {
gen_load_exclusive(s, rs, 15, addr, 2);
} else {
gen_store_exclusive(s, rd, rs, 15, addr, 2);
}
tcg_temp_free(addr);
} else if ((insn & (1 << 6)) == 0) {
/* Table Branch. */
if (rn == 15) {
addr = tcg_temp_new_i32();
tcg_gen_movi_i32(addr, s->pc);
} else {
addr = load_reg(s, rn);
}
tmp = load_reg(s, rm);
tcg_gen_add_i32(addr, addr, tmp);
if (insn & (1 << 4)) {
/* tbh */
tcg_gen_add_i32(addr, addr, tmp);
tcg_temp_free_i32(tmp);
tmp = gen_ld16u(addr, IS_USER(s));
} else { /* tbb */
tcg_temp_free_i32(tmp);
tmp = gen_ld8u(addr, IS_USER(s));
}
tcg_temp_free_i32(addr);
tcg_gen_shli_i32(tmp, tmp, 1);
tcg_gen_addi_i32(tmp, tmp, s->pc);
store_reg(s, 15, tmp);
} else {
/* Load/store exclusive byte/halfword/doubleword. */
ARCH(7);
op = (insn >> 4) & 0x3;
if (op == 2) {
goto illegal_op;
}
addr = tcg_temp_local_new();
load_reg_var(s, addr, rn);
if (insn & (1 << 20)) {
gen_load_exclusive(s, rs, rd, addr, op);
} else {
gen_store_exclusive(s, rm, rs, rd, addr, op);
}
tcg_temp_free(addr);
}
} else {
/* Load/store multiple, RFE, SRS. */
if (((insn >> 23) & 1) == ((insn >> 24) & 1)) {
/* Not available in user mode. */
if (IS_USER(s))
goto illegal_op;
if (insn & (1 << 20)) {
/* rfe */
addr = load_reg(s, rn);
if ((insn & (1 << 24)) == 0)
tcg_gen_addi_i32(addr, addr, -8);
/* Load PC into tmp and CPSR into tmp2. */
tmp = gen_ld32(addr, 0);
tcg_gen_addi_i32(addr, addr, 4);
tmp2 = gen_ld32(addr, 0);
if (insn & (1 << 21)) {
/* Base writeback. */
if (insn & (1 << 24)) {
tcg_gen_addi_i32(addr, addr, 4);
} else {
tcg_gen_addi_i32(addr, addr, -4);
}
store_reg(s, rn, addr);
} else {
tcg_temp_free_i32(addr);
}
gen_rfe(s, tmp, tmp2);
} else {
/* srs */
op = (insn & 0x1f);
addr = tcg_temp_new_i32();
tmp = tcg_const_i32(op);
gen_helper_get_r13_banked(addr, cpu_env, tmp);
tcg_temp_free_i32(tmp);
if ((insn & (1 << 24)) == 0) {
tcg_gen_addi_i32(addr, addr, -8);
}
tmp = load_reg(s, 14);
gen_st32(tmp, addr, 0);
tcg_gen_addi_i32(addr, addr, 4);
tmp = tcg_temp_new_i32();
gen_helper_cpsr_read(tmp);
gen_st32(tmp, addr, 0);
if (insn & (1 << 21)) {
if ((insn & (1 << 24)) == 0) {
tcg_gen_addi_i32(addr, addr, -4);
} else {
tcg_gen_addi_i32(addr, addr, 4);
}
tmp = tcg_const_i32(op);
gen_helper_set_r13_banked(cpu_env, tmp, addr);
tcg_temp_free_i32(tmp);
} else {
tcg_temp_free_i32(addr);
}
}
} else {
int i;
/* Load/store multiple. */
addr = load_reg(s, rn);
offset = 0;
for (i = 0; i < 16; i++) {
if (insn & (1 << i))
offset += 4;
}
if (insn & (1 << 24)) {
tcg_gen_addi_i32(addr, addr, -offset);
}
for (i = 0; i < 16; i++) {
if ((insn & (1 << i)) == 0)
continue;
if (insn & (1 << 20)) {
/* Load. */
tmp = gen_ld32(addr, IS_USER(s));
if (i == 15) {
gen_bx(s, tmp);
} else {
store_reg(s, i, tmp);
}
} else {
/* Store. */
tmp = load_reg(s, i);
gen_st32(tmp, addr, IS_USER(s));
}
tcg_gen_addi_i32(addr, addr, 4);
}
if (insn & (1 << 21)) {
/* Base register writeback. */
if (insn & (1 << 24)) {
tcg_gen_addi_i32(addr, addr, -offset);
}
/* Fault if writeback register is in register list. */
if (insn & (1 << rn))
goto illegal_op;
store_reg(s, rn, addr);
} else {
tcg_temp_free_i32(addr);
}
}
}
break;
case 5:
op = (insn >> 21) & 0xf;
if (op == 6) {
/* Halfword pack. */
tmp = load_reg(s, rn);
tmp2 = load_reg(s, rm);
shift = ((insn >> 10) & 0x1c) | ((insn >> 6) & 0x3);
if (insn & (1 << 5)) {
/* pkhtb */
if (shift == 0)
shift = 31;
tcg_gen_sari_i32(tmp2, tmp2, shift);
tcg_gen_andi_i32(tmp, tmp, 0xffff0000);
tcg_gen_ext16u_i32(tmp2, tmp2);
} else {
/* pkhbt */
if (shift)
tcg_gen_shli_i32(tmp2, tmp2, shift);
tcg_gen_ext16u_i32(tmp, tmp);
tcg_gen_andi_i32(tmp2, tmp2, 0xffff0000);
}
tcg_gen_or_i32(tmp, tmp, tmp2);
tcg_temp_free_i32(tmp2);
store_reg(s, rd, tmp);
} else {
/* Data processing register constant shift. */
if (rn == 15) {
tmp = tcg_temp_new_i32();
tcg_gen_movi_i32(tmp, 0);
} else {
tmp = load_reg(s, rn);
}
tmp2 = load_reg(s, rm);
shiftop = (insn >> 4) & 3;
shift = ((insn >> 6) & 3) | ((insn >> 10) & 0x1c);
conds = (insn & (1 << 20)) != 0;
logic_cc = (conds && thumb2_logic_op(op));
gen_arm_shift_im(tmp2, shiftop, shift, logic_cc);
if (gen_thumb2_data_op(s, op, conds, 0, tmp, tmp2))
goto illegal_op;
tcg_temp_free_i32(tmp2);
if (rd != 15) {
store_reg(s, rd, tmp);
} else {
tcg_temp_free_i32(tmp);
}
}
break;
case 13: /* Misc data processing. */
op = ((insn >> 22) & 6) | ((insn >> 7) & 1);
if (op < 4 && (insn & 0xf000) != 0xf000)
goto illegal_op;
switch (op) {
case 0: /* Register controlled shift. */
tmp = load_reg(s, rn);
tmp2 = load_reg(s, rm);
if ((insn & 0x70) != 0)
goto illegal_op;
op = (insn >> 21) & 3;
logic_cc = (insn & (1 << 20)) != 0;
gen_arm_shift_reg(tmp, op, tmp2, logic_cc);
if (logic_cc)
gen_logic_CC(tmp);
store_reg_bx(env, s, rd, tmp);
break;
case 1: /* Sign/zero extend. */
tmp = load_reg(s, rm);
shift = (insn >> 4) & 3;
/* ??? In many cases it's not neccessary to do a
rotate, a shift is sufficient. */
if (shift != 0)
tcg_gen_rotri_i32(tmp, tmp, shift * 8);
op = (insn >> 20) & 7;
switch (op) {
case 0: gen_sxth(tmp); break;
case 1: gen_uxth(tmp); break;
case 2: gen_sxtb16(tmp); break;
case 3: gen_uxtb16(tmp); break;
case 4: gen_sxtb(tmp); break;
case 5: gen_uxtb(tmp); break;
default: goto illegal_op;
}
if (rn != 15) {
tmp2 = load_reg(s, rn);
if ((op >> 1) == 1) {
gen_add16(tmp, tmp2);
} else {
tcg_gen_add_i32(tmp, tmp, tmp2);
tcg_temp_free_i32(tmp2);
}
}
store_reg(s, rd, tmp);
break;
case 2: /* SIMD add/subtract. */
op = (insn >> 20) & 7;
shift = (insn >> 4) & 7;
if ((op & 3) == 3 || (shift & 3) == 3)
goto illegal_op;
tmp = load_reg(s, rn);
tmp2 = load_reg(s, rm);
gen_thumb2_parallel_addsub(op, shift, tmp, tmp2);
tcg_temp_free_i32(tmp2);
store_reg(s, rd, tmp);
break;
case 3: /* Other data processing. */
op = ((insn >> 17) & 0x38) | ((insn >> 4) & 7);
if (op < 4) {
/* Saturating add/subtract. */
tmp = load_reg(s, rn);
tmp2 = load_reg(s, rm);
if (op & 1)
gen_helper_double_saturate(tmp, tmp);
if (op & 2)
gen_helper_sub_saturate(tmp, tmp2, tmp);
else
gen_helper_add_saturate(tmp, tmp, tmp2);
tcg_temp_free_i32(tmp2);
} else {
tmp = load_reg(s, rn);
switch (op) {
case 0x0a: /* rbit */
gen_helper_rbit(tmp, tmp);
break;
case 0x08: /* rev */
tcg_gen_bswap32_i32(tmp, tmp);
break;
case 0x09: /* rev16 */
gen_rev16(tmp);
break;
case 0x0b: /* revsh */
gen_revsh(tmp);
break;
case 0x10: /* sel */
tmp2 = load_reg(s, rm);
tmp3 = tcg_temp_new_i32();
tcg_gen_ld_i32(tmp3, cpu_env, offsetof(CPUState, GE));
gen_helper_sel_flags(tmp, tmp3, tmp, tmp2);
tcg_temp_free_i32(tmp3);
tcg_temp_free_i32(tmp2);
break;
case 0x18: /* clz */
gen_helper_clz(tmp, tmp);
break;
default:
goto illegal_op;
}
}
store_reg(s, rd, tmp);
break;
case 4: case 5: /* 32-bit multiply. Sum of absolute differences. */
op = (insn >> 4) & 0xf;
tmp = load_reg(s, rn);
tmp2 = load_reg(s, rm);
switch ((insn >> 20) & 7) {
case 0: /* 32 x 32 -> 32 */
tcg_gen_mul_i32(tmp, tmp, tmp2);
tcg_temp_free_i32(tmp2);
if (rs != 15) {
tmp2 = load_reg(s, rs);
if (op)
tcg_gen_sub_i32(tmp, tmp2, tmp);
else
tcg_gen_add_i32(tmp, tmp, tmp2);
tcg_temp_free_i32(tmp2);
}
break;
case 1: /* 16 x 16 -> 32 */
gen_mulxy(tmp, tmp2, op & 2, op & 1);
tcg_temp_free_i32(tmp2);
if (rs != 15) {
tmp2 = load_reg(s, rs);
gen_helper_add_setq(tmp, tmp, tmp2);
tcg_temp_free_i32(tmp2);
}
break;
case 2: /* Dual multiply add. */
case 4: /* Dual multiply subtract. */
if (op)
gen_swap_half(tmp2);
gen_smul_dual(tmp, tmp2);
/* This addition cannot overflow. */
if (insn & (1 << 22)) {
tcg_gen_sub_i32(tmp, tmp, tmp2);
} else {
tcg_gen_add_i32(tmp, tmp, tmp2);
}
tcg_temp_free_i32(tmp2);
if (rs != 15)
{
tmp2 = load_reg(s, rs);
gen_helper_add_setq(tmp, tmp, tmp2);
tcg_temp_free_i32(tmp2);
}
break;
case 3: /* 32 * 16 -> 32msb */
if (op)
tcg_gen_sari_i32(tmp2, tmp2, 16);
else
gen_sxth(tmp2);
tmp64 = gen_muls_i64_i32(tmp, tmp2);
tcg_gen_shri_i64(tmp64, tmp64, 16);
tmp = tcg_temp_new_i32();
tcg_gen_trunc_i64_i32(tmp, tmp64);
tcg_temp_free_i64(tmp64);
if (rs != 15)
{
tmp2 = load_reg(s, rs);
gen_helper_add_setq(tmp, tmp, tmp2);
tcg_temp_free_i32(tmp2);
}
break;
case 5: case 6: /* 32 * 32 -> 32msb (SMMUL, SMMLA, SMMLS) */
tmp64 = gen_muls_i64_i32(tmp, tmp2);
if (rs != 15) {
tmp = load_reg(s, rs);
if (insn & (1 << 20)) {
tmp64 = gen_addq_msw(tmp64, tmp);
} else {
tmp64 = gen_subq_msw(tmp64, tmp);
}
}
if (insn & (1 << 4)) {
tcg_gen_addi_i64(tmp64, tmp64, 0x80000000u);
}
tcg_gen_shri_i64(tmp64, tmp64, 32);
tmp = tcg_temp_new_i32();
tcg_gen_trunc_i64_i32(tmp, tmp64);
tcg_temp_free_i64(tmp64);
break;
case 7: /* Unsigned sum of absolute differences. */
gen_helper_usad8(tmp, tmp, tmp2);
tcg_temp_free_i32(tmp2);
if (rs != 15) {
tmp2 = load_reg(s, rs);
tcg_gen_add_i32(tmp, tmp, tmp2);
tcg_temp_free_i32(tmp2);
}
break;
}
store_reg(s, rd, tmp);
break;
case 6: case 7: /* 64-bit multiply, Divide. */
op = ((insn >> 4) & 0xf) | ((insn >> 16) & 0x70);
tmp = load_reg(s, rn);
tmp2 = load_reg(s, rm);
if ((op & 0x50) == 0x10) {
/* sdiv, udiv */
if (!arm_feature(env, ARM_FEATURE_DIV))
goto illegal_op;
if (op & 0x20)
gen_helper_udiv(tmp, tmp, tmp2);
else
gen_helper_sdiv(tmp, tmp, tmp2);
tcg_temp_free_i32(tmp2);
store_reg(s, rd, tmp);
} else if ((op & 0xe) == 0xc) {
/* Dual multiply accumulate long. */
if (op & 1)
gen_swap_half(tmp2);
gen_smul_dual(tmp, tmp2);
if (op & 0x10) {
tcg_gen_sub_i32(tmp, tmp, tmp2);
} else {
tcg_gen_add_i32(tmp, tmp, tmp2);
}
tcg_temp_free_i32(tmp2);
/* BUGFIX */
tmp64 = tcg_temp_new_i64();
tcg_gen_ext_i32_i64(tmp64, tmp);
tcg_temp_free_i32(tmp);
gen_addq(s, tmp64, rs, rd);
gen_storeq_reg(s, rs, rd, tmp64);
tcg_temp_free_i64(tmp64);
} else {
if (op & 0x20) {
/* Unsigned 64-bit multiply */
tmp64 = gen_mulu_i64_i32(tmp, tmp2);
} else {
if (op & 8) {
/* smlalxy */
gen_mulxy(tmp, tmp2, op & 2, op & 1);
tcg_temp_free_i32(tmp2);
tmp64 = tcg_temp_new_i64();
tcg_gen_ext_i32_i64(tmp64, tmp);
tcg_temp_free_i32(tmp);
} else {
/* Signed 64-bit multiply */
tmp64 = gen_muls_i64_i32(tmp, tmp2);
}
}
if (op & 4) {
/* umaal */
gen_addq_lo(s, tmp64, rs);
gen_addq_lo(s, tmp64, rd);
} else if (op & 0x40) {
/* 64-bit accumulate. */
gen_addq(s, tmp64, rs, rd);
}
gen_storeq_reg(s, rs, rd, tmp64);
tcg_temp_free_i64(tmp64);
}
break;
}
break;
case 6: case 7: case 14: case 15:
/* Coprocessor. */
if (((insn >> 24) & 3) == 3) {
/* Translate into the equivalent ARM encoding. */
insn = (insn & 0xe2ffffff) | ((insn & (1 << 28)) >> 4) | (1 << 28);
if (disas_neon_data_insn(env, s, insn))
goto illegal_op;
} else {
if (insn & (1 << 28))
goto illegal_op;
if (disas_coproc_insn (env, s, insn))
goto illegal_op;
}
break;
case 8: case 9: case 10: case 11:
if (insn & (1 << 15)) {
/* Branches, misc control. */
if (insn & 0x5000) {
/* Unconditional branch. */
/* signextend(hw1[10:0]) -> offset[:12]. */
offset = ((int32_t)insn << 5) >> 9 & ~(int32_t)0xfff;
/* hw1[10:0] -> offset[11:1]. */
offset |= (insn & 0x7ff) << 1;
/* (~hw2[13, 11] ^ offset[24]) -> offset[23,22]
offset[24:22] already have the same value because of the
sign extension above. */
offset ^= ((~insn) & (1 << 13)) << 10;
offset ^= ((~insn) & (1 << 11)) << 11;
if (insn & (1 << 14)) {
/* Branch and link. */
tcg_gen_movi_i32(cpu_R[14], s->pc | 1);
}
offset += s->pc;
if (insn & (1 << 12)) {
/* b/bl */
gen_jmp(s, offset);
} else {
/* blx */
offset &= ~(uint32_t)2;
gen_bx_im(s, offset);
}
} else if (((insn >> 23) & 7) == 7) {
/* Misc control */
if (insn & (1 << 13))
goto illegal_op;
if (insn & (1 << 26)) {
/* Secure monitor call (v6Z) */
goto illegal_op; /* not implemented. */
} else {
op = (insn >> 20) & 7;
switch (op) {
case 0: /* msr cpsr. */
if (IS_M(env)) {
tmp = load_reg(s, rn);
addr = tcg_const_i32(insn & 0xff);
gen_helper_v7m_msr(cpu_env, addr, tmp);
tcg_temp_free_i32(addr);
tcg_temp_free_i32(tmp);
gen_lookup_tb(s);
break;
}
/* fall through */
case 1: /* msr spsr. */
if (IS_M(env))
goto illegal_op;
tmp = load_reg(s, rn);
if (gen_set_psr(s,
msr_mask(env, s, (insn >> 8) & 0xf, op == 1),
op == 1, tmp))
goto illegal_op;
break;
case 2: /* cps, nop-hint. */
if (((insn >> 8) & 7) == 0) {
gen_nop_hint(s, insn & 0xff);
}
/* Implemented as NOP in user mode. */
if (IS_USER(s))
break;
offset = 0;
imm = 0;
if (insn & (1 << 10)) {
if (insn & (1 << 7))
offset |= CPSR_A;
if (insn & (1 << 6))
offset |= CPSR_I;
if (insn & (1 << 5))
offset |= CPSR_F;
if (insn & (1 << 9))
imm = CPSR_A | CPSR_I | CPSR_F;
}
if (insn & (1 << 8)) {
offset |= 0x1f;
imm |= (insn & 0x1f);
}
if (offset) {
gen_set_psr_im(s, offset, 0, imm);
}
break;
case 3: /* Special control operations. */
ARCH(7);
op = (insn >> 4) & 0xf;
switch (op) {
case 2: /* clrex */
gen_clrex(s);
break;
case 4: /* dsb */
case 5: /* dmb */
case 6: /* isb */
/* These execute as NOPs. */
break;
default:
goto illegal_op;
}
break;
case 4: /* bxj */
/* Trivial implementation equivalent to bx. */
tmp = load_reg(s, rn);
gen_bx(s, tmp);
break;
case 5: /* Exception return. */
if (IS_USER(s)) {
goto illegal_op;
}
if (rn != 14 || rd != 15) {
goto illegal_op;
}
tmp = load_reg(s, rn);
tcg_gen_subi_i32(tmp, tmp, insn & 0xff);
gen_exception_return(s, tmp);
break;
case 6: /* mrs cpsr. */
tmp = tcg_temp_new_i32();
if (IS_M(env)) {
addr = tcg_const_i32(insn & 0xff);
gen_helper_v7m_mrs(tmp, cpu_env, addr);
tcg_temp_free_i32(addr);
} else {
gen_helper_cpsr_read(tmp);
}
store_reg(s, rd, tmp);
break;
case 7: /* mrs spsr. */
/* Not accessible in user mode. */
if (IS_USER(s) || IS_M(env))
goto illegal_op;
tmp = load_cpu_field(spsr);
store_reg(s, rd, tmp);
break;
}
}
} else {
/* Conditional branch. */
op = (insn >> 22) & 0xf;
/* Generate a conditional jump to next instruction. */
s->condlabel = gen_new_label();
gen_test_cc(op ^ 1, s->condlabel);
s->condjmp = 1;
/* offset[11:1] = insn[10:0] */
offset = (insn & 0x7ff) << 1;
/* offset[17:12] = insn[21:16]. */
offset |= (insn & 0x003f0000) >> 4;
/* offset[31:20] = insn[26]. */
offset |= ((int32_t)((insn << 5) & 0x80000000)) >> 11;
/* offset[18] = insn[13]. */
offset |= (insn & (1 << 13)) << 5;
/* offset[19] = insn[11]. */
offset |= (insn & (1 << 11)) << 8;
/* jump to the offset */
gen_jmp(s, s->pc + offset);
}
} else {
/* Data processing immediate. */
if (insn & (1 << 25)) {
if (insn & (1 << 24)) {
if (insn & (1 << 20))
goto illegal_op;
/* Bitfield/Saturate. */
op = (insn >> 21) & 7;
imm = insn & 0x1f;
shift = ((insn >> 6) & 3) | ((insn >> 10) & 0x1c);
if (rn == 15) {
tmp = tcg_temp_new_i32();
tcg_gen_movi_i32(tmp, 0);
} else {
tmp = load_reg(s, rn);
}
switch (op) {
case 2: /* Signed bitfield extract. */
imm++;
if (shift + imm > 32)
goto illegal_op;
if (imm < 32)
gen_sbfx(tmp, shift, imm);
break;
case 6: /* Unsigned bitfield extract. */
imm++;
if (shift + imm > 32)
goto illegal_op;
if (imm < 32)
gen_ubfx(tmp, shift, (1u << imm) - 1);
break;
case 3: /* Bitfield insert/clear. */
if (imm < shift)
goto illegal_op;
imm = imm + 1 - shift;
if (imm != 32) {
tmp2 = load_reg(s, rd);
gen_bfi(tmp, tmp2, tmp, shift, (1u << imm) - 1);
tcg_temp_free_i32(tmp2);
}
break;
case 7:
goto illegal_op;
default: /* Saturate. */
if (shift) {
if (op & 1)
tcg_gen_sari_i32(tmp, tmp, shift);
else
tcg_gen_shli_i32(tmp, tmp, shift);
}
tmp2 = tcg_const_i32(imm);
if (op & 4) {
/* Unsigned. */
if ((op & 1) && shift == 0)
gen_helper_usat16(tmp, tmp, tmp2);
else
gen_helper_usat(tmp, tmp, tmp2);
} else {
/* Signed. */
if ((op & 1) && shift == 0)
gen_helper_ssat16(tmp, tmp, tmp2);
else
gen_helper_ssat(tmp, tmp, tmp2);
}
tcg_temp_free_i32(tmp2);
break;
}
store_reg(s, rd, tmp);
} else {
imm = ((insn & 0x04000000) >> 15)
| ((insn & 0x7000) >> 4) | (insn & 0xff);
if (insn & (1 << 22)) {
/* 16-bit immediate. */
imm |= (insn >> 4) & 0xf000;
if (insn & (1 << 23)) {
/* movt */
tmp = load_reg(s, rd);
tcg_gen_ext16u_i32(tmp, tmp);
tcg_gen_ori_i32(tmp, tmp, imm << 16);
} else {
/* movw */
tmp = tcg_temp_new_i32();
tcg_gen_movi_i32(tmp, imm);
}
} else {
/* Add/sub 12-bit immediate. */
if (rn == 15) {
offset = s->pc & ~(uint32_t)3;
if (insn & (1 << 23))
offset -= imm;
else
offset += imm;
tmp = tcg_temp_new_i32();
tcg_gen_movi_i32(tmp, offset);
} else {
tmp = load_reg(s, rn);
if (insn & (1 << 23))
tcg_gen_subi_i32(tmp, tmp, imm);
else
tcg_gen_addi_i32(tmp, tmp, imm);
}
}
store_reg(s, rd, tmp);
}
} else {
int shifter_out = 0;
/* modified 12-bit immediate. */
shift = ((insn & 0x04000000) >> 23) | ((insn & 0x7000) >> 12);
imm = (insn & 0xff);
switch (shift) {
case 0: /* XY */
/* Nothing to do. */
break;
case 1: /* 00XY00XY */
imm |= imm << 16;
break;
case 2: /* XY00XY00 */
imm |= imm << 16;
imm <<= 8;
break;
case 3: /* XYXYXYXY */
imm |= imm << 16;
imm |= imm << 8;
break;
default: /* Rotated constant. */
shift = (shift << 1) | (imm >> 7);
imm |= 0x80;
imm = imm << (32 - shift);
shifter_out = 1;
break;
}
tmp2 = tcg_temp_new_i32();
tcg_gen_movi_i32(tmp2, imm);
rn = (insn >> 16) & 0xf;
if (rn == 15) {
tmp = tcg_temp_new_i32();
tcg_gen_movi_i32(tmp, 0);
} else {
tmp = load_reg(s, rn);
}
op = (insn >> 21) & 0xf;
if (gen_thumb2_data_op(s, op, (insn & (1 << 20)) != 0,
shifter_out, tmp, tmp2))
goto illegal_op;
tcg_temp_free_i32(tmp2);
rd = (insn >> 8) & 0xf;
if (rd != 15) {
store_reg(s, rd, tmp);
} else {
tcg_temp_free_i32(tmp);
}
}
}
break;
case 12: /* Load/store single data item. */
{
int postinc = 0;
int writeback = 0;
int user;
if ((insn & 0x01100000) == 0x01000000) {
if (disas_neon_ls_insn(env, s, insn))
goto illegal_op;
break;
}
op = ((insn >> 21) & 3) | ((insn >> 22) & 4);
if (rs == 15) {
if (!(insn & (1 << 20))) {
goto illegal_op;
}
if (op != 2) {
/* Byte or halfword load space with dest == r15 : memory hints.
* Catch them early so we don't emit pointless addressing code.
* This space is a mix of:
* PLD/PLDW/PLI, which we implement as NOPs (note that unlike
* the ARM encodings, PLDW space doesn't UNDEF for non-v7MP
* cores)
* unallocated hints, which must be treated as NOPs
* UNPREDICTABLE space, which we NOP or UNDEF depending on
* which is easiest for the decoding logic
* Some space which must UNDEF
*/
int op1 = (insn >> 23) & 3;
int op2 = (insn >> 6) & 0x3f;
if (op & 2) {
goto illegal_op;
}
if (rn == 15) {
/* UNPREDICTABLE or unallocated hint */
return 0;
}
if (op1 & 1) {
return 0; /* PLD* or unallocated hint */
}
if ((op2 == 0) || ((op2 & 0x3c) == 0x30)) {
return 0; /* PLD* or unallocated hint */
}
/* UNDEF space, or an UNPREDICTABLE */
return 1;
}
}
user = IS_USER(s);
if (rn == 15) {
addr = tcg_temp_new_i32();
/* PC relative. */
/* s->pc has already been incremented by 4. */
imm = s->pc & 0xfffffffc;
if (insn & (1 << 23))
imm += insn & 0xfff;
else
imm -= insn & 0xfff;
tcg_gen_movi_i32(addr, imm);
} else {
addr = load_reg(s, rn);
if (insn & (1 << 23)) {
/* Positive offset. */
imm = insn & 0xfff;
tcg_gen_addi_i32(addr, addr, imm);
} else {
imm = insn & 0xff;
switch ((insn >> 8) & 0xf) {
case 0x0: /* Shifted Register. */
shift = (insn >> 4) & 0xf;
if (shift > 3) {
tcg_temp_free_i32(addr);
goto illegal_op;
}
tmp = load_reg(s, rm);
if (shift)
tcg_gen_shli_i32(tmp, tmp, shift);
tcg_gen_add_i32(addr, addr, tmp);
tcg_temp_free_i32(tmp);
break;
case 0xc: /* Negative offset. */
tcg_gen_addi_i32(addr, addr, -imm);
break;
case 0xe: /* User privilege. */
tcg_gen_addi_i32(addr, addr, imm);
user = 1;
break;
case 0x9: /* Post-decrement. */
imm = -imm;
/* Fall through. */
case 0xb: /* Post-increment. */
postinc = 1;
writeback = 1;
break;
case 0xd: /* Pre-decrement. */
imm = -imm;
/* Fall through. */
case 0xf: /* Pre-increment. */
tcg_gen_addi_i32(addr, addr, imm);
writeback = 1;
break;
default:
tcg_temp_free_i32(addr);
goto illegal_op;
}
}
}
if (insn & (1 << 20)) {
/* Load. */
switch (op) {
case 0: tmp = gen_ld8u(addr, user); break;
case 4: tmp = gen_ld8s(addr, user); break;
case 1: tmp = gen_ld16u(addr, user); break;
case 5: tmp = gen_ld16s(addr, user); break;
case 2: tmp = gen_ld32(addr, user); break;
default:
tcg_temp_free_i32(addr);
goto illegal_op;
}
if (rs == 15) {
gen_bx(s, tmp);
} else {
store_reg(s, rs, tmp);
}
} else {
/* Store. */
tmp = load_reg(s, rs);
switch (op) {
case 0: gen_st8(tmp, addr, user); break;
case 1: gen_st16(tmp, addr, user); break;
case 2: gen_st32(tmp, addr, user); break;
default:
tcg_temp_free_i32(addr);
goto illegal_op;
}
}
if (postinc)
tcg_gen_addi_i32(addr, addr, imm);
if (writeback) {
store_reg(s, rn, addr);
} else {
tcg_temp_free_i32(addr);
}
}
break;
default:
goto illegal_op;
}
return 0;
illegal_op:
return 1;
}
| 26,208 |
qemu | a01672d3968cf91208666d371784110bfde9d4f8 | 1 | static void kvm_set_phys_mem(target_phys_addr_t start_addr, ram_addr_t size,
ram_addr_t phys_offset, bool log_dirty)
{
KVMState *s = kvm_state;
ram_addr_t flags = phys_offset & ~TARGET_PAGE_MASK;
KVMSlot *mem, old;
int err;
void *ram = NULL;
/* kvm works in page size chunks, but the function may be called
with sub-page size and unaligned start address. */
size = TARGET_PAGE_ALIGN(size);
start_addr = TARGET_PAGE_ALIGN(start_addr);
/* KVM does not support read-only slots */
phys_offset &= ~IO_MEM_ROM;
if ((phys_offset & ~TARGET_PAGE_MASK) == IO_MEM_RAM) {
ram = qemu_safe_ram_ptr(phys_offset);
}
while (1) {
mem = kvm_lookup_overlapping_slot(s, start_addr, start_addr + size);
if (!mem) {
break;
}
if (flags < IO_MEM_UNASSIGNED && start_addr >= mem->start_addr &&
(start_addr + size <= mem->start_addr + mem->memory_size) &&
(ram - start_addr == mem->ram - mem->start_addr)) {
/* The new slot fits into the existing one and comes with
* identical parameters - update flags and done. */
kvm_slot_dirty_pages_log_change(mem, log_dirty);
return;
}
old = *mem;
/* unregister the overlapping slot */
mem->memory_size = 0;
err = kvm_set_user_memory_region(s, mem);
if (err) {
fprintf(stderr, "%s: error unregistering overlapping slot: %s\n",
__func__, strerror(-err));
abort();
}
/* Workaround for older KVM versions: we can't join slots, even not by
* unregistering the previous ones and then registering the larger
* slot. We have to maintain the existing fragmentation. Sigh.
*
* This workaround assumes that the new slot starts at the same
* address as the first existing one. If not or if some overlapping
* slot comes around later, we will fail (not seen in practice so far)
* - and actually require a recent KVM version. */
if (s->broken_set_mem_region &&
old.start_addr == start_addr && old.memory_size < size &&
flags < IO_MEM_UNASSIGNED) {
mem = kvm_alloc_slot(s);
mem->memory_size = old.memory_size;
mem->start_addr = old.start_addr;
mem->ram = old.ram;
mem->flags = kvm_mem_flags(s, log_dirty);
err = kvm_set_user_memory_region(s, mem);
if (err) {
fprintf(stderr, "%s: error updating slot: %s\n", __func__,
strerror(-err));
abort();
}
start_addr += old.memory_size;
phys_offset += old.memory_size;
ram += old.memory_size;
size -= old.memory_size;
continue;
}
/* register prefix slot */
if (old.start_addr < start_addr) {
mem = kvm_alloc_slot(s);
mem->memory_size = start_addr - old.start_addr;
mem->start_addr = old.start_addr;
mem->ram = old.ram;
mem->flags = kvm_mem_flags(s, log_dirty);
err = kvm_set_user_memory_region(s, mem);
if (err) {
fprintf(stderr, "%s: error registering prefix slot: %s\n",
__func__, strerror(-err));
#ifdef TARGET_PPC
fprintf(stderr, "%s: This is probably because your kernel's " \
"PAGE_SIZE is too big. Please try to use 4k " \
"PAGE_SIZE!\n", __func__);
#endif
abort();
}
}
/* register suffix slot */
if (old.start_addr + old.memory_size > start_addr + size) {
ram_addr_t size_delta;
mem = kvm_alloc_slot(s);
mem->start_addr = start_addr + size;
size_delta = mem->start_addr - old.start_addr;
mem->memory_size = old.memory_size - size_delta;
mem->ram = old.ram + size_delta;
mem->flags = kvm_mem_flags(s, log_dirty);
err = kvm_set_user_memory_region(s, mem);
if (err) {
fprintf(stderr, "%s: error registering suffix slot: %s\n",
__func__, strerror(-err));
abort();
}
}
}
/* in case the KVM bug workaround already "consumed" the new slot */
if (!size) {
return;
}
/* KVM does not need to know about this memory */
if (flags >= IO_MEM_UNASSIGNED) {
return;
}
mem = kvm_alloc_slot(s);
mem->memory_size = size;
mem->start_addr = start_addr;
mem->ram = ram;
mem->flags = kvm_mem_flags(s, log_dirty);
err = kvm_set_user_memory_region(s, mem);
if (err) {
fprintf(stderr, "%s: error registering slot: %s\n", __func__,
strerror(-err));
abort();
}
}
| 26,209 |
qemu | c572f23a3e7180dbeab5e86583e43ea2afed6271 | 1 | static void v9fs_xattrwalk(void *opaque)
{
int64_t size;
V9fsString name;
ssize_t err = 0;
size_t offset = 7;
int32_t fid, newfid;
V9fsFidState *file_fidp;
V9fsFidState *xattr_fidp = NULL;
V9fsPDU *pdu = opaque;
V9fsState *s = pdu->s;
pdu_unmarshal(pdu, offset, "dds", &fid, &newfid, &name);
file_fidp = get_fid(pdu, fid);
if (file_fidp == NULL) {
err = -ENOENT;
goto out_nofid;
}
xattr_fidp = alloc_fid(s, newfid);
if (xattr_fidp == NULL) {
err = -EINVAL;
goto out;
}
v9fs_path_copy(&xattr_fidp->path, &file_fidp->path);
if (name.data[0] == 0) {
/*
* listxattr request. Get the size first
*/
size = v9fs_co_llistxattr(pdu, &xattr_fidp->path, NULL, 0);
if (size < 0) {
err = size;
clunk_fid(s, xattr_fidp->fid);
goto out;
}
/*
* Read the xattr value
*/
xattr_fidp->fs.xattr.len = size;
xattr_fidp->fid_type = P9_FID_XATTR;
xattr_fidp->fs.xattr.copied_len = -1;
if (size) {
xattr_fidp->fs.xattr.value = g_malloc(size);
err = v9fs_co_llistxattr(pdu, &xattr_fidp->path,
xattr_fidp->fs.xattr.value,
xattr_fidp->fs.xattr.len);
if (err < 0) {
clunk_fid(s, xattr_fidp->fid);
goto out;
}
}
offset += pdu_marshal(pdu, offset, "q", size);
err = offset;
} else {
/*
* specific xattr fid. We check for xattr
* presence also collect the xattr size
*/
size = v9fs_co_lgetxattr(pdu, &xattr_fidp->path,
&name, NULL, 0);
if (size < 0) {
err = size;
clunk_fid(s, xattr_fidp->fid);
goto out;
}
/*
* Read the xattr value
*/
xattr_fidp->fs.xattr.len = size;
xattr_fidp->fid_type = P9_FID_XATTR;
xattr_fidp->fs.xattr.copied_len = -1;
if (size) {
xattr_fidp->fs.xattr.value = g_malloc(size);
err = v9fs_co_lgetxattr(pdu, &xattr_fidp->path,
&name, xattr_fidp->fs.xattr.value,
xattr_fidp->fs.xattr.len);
if (err < 0) {
clunk_fid(s, xattr_fidp->fid);
goto out;
}
}
offset += pdu_marshal(pdu, offset, "q", size);
err = offset;
}
out:
put_fid(pdu, file_fidp);
if (xattr_fidp) {
put_fid(pdu, xattr_fidp);
}
out_nofid:
trace_v9fs_xattrwalk_return(pdu->tag, pdu->id, size);
complete_pdu(s, pdu, err);
v9fs_string_free(&name);
} | 26,210 |
FFmpeg | 7b05b5093ea67a3397b0c37cf398bab471e1ce2b | 1 | void ff_eac3_apply_spectral_extension(AC3DecodeContext *s)
{
int bin, bnd, ch, i;
uint8_t wrapflag[SPX_MAX_BANDS]={1,0,}, num_copy_sections, copy_sizes[SPX_MAX_BANDS];
float rms_energy[SPX_MAX_BANDS];
/* Set copy index mapping table. Set wrap flags to apply a notch filter at
wrap points later on. */
bin = s->spx_dst_start_freq;
num_copy_sections = 0;
for (bnd = 0; bnd < s->num_spx_bands; bnd++) {
int copysize;
int bandsize = s->spx_band_sizes[bnd];
if (bin + bandsize > s->spx_src_start_freq) {
copy_sizes[num_copy_sections++] = bin - s->spx_dst_start_freq;
bin = s->spx_dst_start_freq;
wrapflag[bnd] = 1;
}
for (i = 0; i < bandsize; i += copysize) {
if (bin == s->spx_src_start_freq) {
copy_sizes[num_copy_sections++] = bin - s->spx_dst_start_freq;
bin = s->spx_dst_start_freq;
}
copysize = FFMIN(bandsize - i, s->spx_src_start_freq - bin);
bin += copysize;
}
}
copy_sizes[num_copy_sections++] = bin - s->spx_dst_start_freq;
for (ch = 1; ch <= s->fbw_channels; ch++) {
if (!s->channel_uses_spx[ch])
continue;
/* Copy coeffs from normal bands to extension bands */
bin = s->spx_src_start_freq;
for (i = 0; i < num_copy_sections; i++) {
memcpy(&s->transform_coeffs[ch][bin],
&s->transform_coeffs[ch][s->spx_dst_start_freq],
copy_sizes[i]*sizeof(float));
bin += copy_sizes[i];
}
/* Calculate RMS energy for each SPX band. */
bin = s->spx_src_start_freq;
for (bnd = 0; bnd < s->num_spx_bands; bnd++) {
int bandsize = s->spx_band_sizes[bnd];
float accum = 0.0f;
for (i = 0; i < bandsize; i++) {
float coeff = s->transform_coeffs[ch][bin++];
accum += coeff * coeff;
}
rms_energy[bnd] = sqrtf(accum / bandsize);
}
/* Apply a notch filter at transitions between normal and extension
bands and at all wrap points. */
if (s->spx_atten_code[ch] >= 0) {
const float *atten_tab = ff_eac3_spx_atten_tab[s->spx_atten_code[ch]];
bin = s->spx_src_start_freq - 2;
for (bnd = 0; bnd < s->num_spx_bands; bnd++) {
if (wrapflag[bnd]) {
float *coeffs = &s->transform_coeffs[ch][bin];
coeffs[0] *= atten_tab[0];
coeffs[1] *= atten_tab[1];
coeffs[2] *= atten_tab[2];
coeffs[3] *= atten_tab[1];
coeffs[4] *= atten_tab[0];
}
bin += s->spx_band_sizes[bnd];
}
}
/* Apply noise-blended coefficient scaling based on previously
calculated RMS energy, blending factors, and SPX coordinates for
each band. */
bin = s->spx_src_start_freq;
for (bnd = 0; bnd < s->num_spx_bands; bnd++) {
float nscale = s->spx_noise_blend[ch][bnd] * rms_energy[bnd] * (1.0f / INT32_MIN);
float sscale = s->spx_signal_blend[ch][bnd];
for (i = 0; i < s->spx_band_sizes[bnd]; i++) {
float noise = nscale * (int32_t)av_lfg_get(&s->dith_state);
s->transform_coeffs[ch][bin] *= sscale;
s->transform_coeffs[ch][bin++] += noise;
}
}
}
}
| 26,211 |
FFmpeg | ff17c76e92cd9a9072a8771cad73c96cd620040b | 1 | static int add_crc_to_array(uint32_t crc, int64_t pts)
{
if (size_of_array <= number_of_elements) {
if (size_of_array == 0)
size_of_array = 10;
size_of_array *= 2;
crc_array = av_realloc(crc_array, size_of_array * sizeof(uint32_t));
pts_array = av_realloc(pts_array, size_of_array * sizeof(int64_t));
if ((crc_array == NULL) || (pts_array == NULL)) {
av_log(NULL, AV_LOG_ERROR, "Can't allocate array to store crcs\n");
return AVERROR(ENOMEM);
}
}
crc_array[number_of_elements] = crc;
pts_array[number_of_elements] = pts;
number_of_elements++;
return 0;
}
| 26,212 |
qemu | 1d5bf692e55ae22b59083741d521e27db704846d | 1 | static void vfio_listener_region_del(MemoryListener *listener,
MemoryRegionSection *section)
{
VFIOContainer *container = container_of(listener, VFIOContainer,
iommu_data.listener);
hwaddr iova, end;
int ret;
if (vfio_listener_skipped_section(section)) {
DPRINTF("SKIPPING region_del %"HWADDR_PRIx" - %"PRIx64"\n",
section->offset_within_address_space,
section->offset_within_address_space + section->size - 1);
return;
}
if (unlikely((section->offset_within_address_space & ~TARGET_PAGE_MASK) !=
(section->offset_within_region & ~TARGET_PAGE_MASK))) {
error_report("%s received unaligned region", __func__);
return;
}
iova = TARGET_PAGE_ALIGN(section->offset_within_address_space);
end = (section->offset_within_address_space + int128_get64(section->size)) &
TARGET_PAGE_MASK;
if (iova >= end) {
return;
}
DPRINTF("region_del %"HWADDR_PRIx" - %"HWADDR_PRIx"\n",
iova, end - 1);
ret = vfio_dma_unmap(container, iova, end - iova);
memory_region_unref(section->mr);
if (ret) {
error_report("vfio_dma_unmap(%p, 0x%"HWADDR_PRIx", "
"0x%"HWADDR_PRIx") = %d (%m)",
container, iova, end - iova, ret);
}
}
| 26,213 |
FFmpeg | 5b4da8a38a5ed211df9504c85ce401c30af86b97 | 0 | static av_cold void init_mv_penalty_and_fcode(MpegEncContext *s)
{
int f_code;
int mv;
for(f_code=1; f_code<=MAX_FCODE; f_code++){
for(mv=-MAX_MV; mv<=MAX_MV; mv++){
int len;
if(mv==0) len= ff_mvtab[0][1];
else{
int val, bit_size, code;
bit_size = f_code - 1;
val=mv;
if (val < 0)
val = -val;
val--;
code = (val >> bit_size) + 1;
if(code<33){
len= ff_mvtab[code][1] + 1 + bit_size;
}else{
len= ff_mvtab[32][1] + av_log2(code>>5) + 2 + bit_size;
}
}
mv_penalty[f_code][mv+MAX_MV]= len;
}
}
for(f_code=MAX_FCODE; f_code>0; f_code--){
for(mv=-(16<<f_code); mv<(16<<f_code); mv++){
fcode_tab[mv+MAX_MV]= f_code;
}
}
for(mv=0; mv<MAX_MV*2+1; mv++){
umv_fcode_tab[mv]= 1;
}
}
| 26,214 |
FFmpeg | ddf1b4a2f8a680126eb611428e4f47e6e5b8c6c0 | 0 | static av_always_inline int setup_classifs(vorbis_context *vc,
vorbis_residue *vr,
uint8_t *do_not_decode,
unsigned ch_used,
int partition_count)
{
int p, j, i;
unsigned c_p_c = vc->codebooks[vr->classbook].dimensions;
unsigned inverse_class = ff_inverse[vr->classifications];
unsigned temp, temp2;
for (p = 0, j = 0; j < ch_used; ++j) {
if (!do_not_decode[j]) {
temp = get_vlc2(&vc->gb, vc->codebooks[vr->classbook].vlc.table,
vc->codebooks[vr->classbook].nb_bits, 3);
av_dlog(NULL, "Classword: %u\n", temp);
assert(vr->classifications > 1 && temp <= 65536); //needed for inverse[]
for (i = 0; i < c_p_c; ++i) {
temp2 = (((uint64_t)temp) * inverse_class) >> 32;
if (partition_count + c_p_c - 1 - i < vr->ptns_to_read)
vr->classifs[p + partition_count + c_p_c - 1 - i] =
temp - temp2 * vr->classifications;
temp = temp2;
}
}
p += vr->ptns_to_read;
}
return 0;
}
| 26,215 |
qemu | 384acbf46b70edf0d2c1648aa1a92a90bcf7057d | 0 | static int qemu_laio_process_requests(void *opaque)
{
struct qemu_laio_state *s = opaque;
struct qemu_laiocb *laiocb, *next;
int res = 0;
QLIST_FOREACH_SAFE (laiocb, &s->completed_reqs, node, next) {
if (laiocb->async_context_id == get_async_context_id()) {
qemu_laio_process_completion(s, laiocb);
QLIST_REMOVE(laiocb, node);
res = 1;
}
}
return res;
}
| 26,216 |
qemu | bff3063837a76b37a4bbbfe614324ca38e859f2b | 0 | static void event_scan(PowerPCCPU *cpu, sPAPRMachineState *spapr,
uint32_t token, uint32_t nargs,
target_ulong args,
uint32_t nret, target_ulong rets)
{
uint32_t mask, buf, len, event_len;
sPAPREventLogEntry *event;
struct rtas_error_log *hdr;
if (nargs != 4 || nret != 1) {
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return;
}
mask = rtas_ld(args, 0);
buf = rtas_ld(args, 2);
len = rtas_ld(args, 3);
event = rtas_event_log_dequeue(mask, false);
if (!event) {
goto out_no_events;
}
hdr = event->data;
event_len = be32_to_cpu(hdr->extended_length) + sizeof(*hdr);
if (event_len < len) {
len = event_len;
}
cpu_physical_memory_write(buf, event->data, len);
rtas_st(rets, 0, RTAS_OUT_SUCCESS);
g_free(event->data);
g_free(event);
return;
out_no_events:
rtas_st(rets, 0, RTAS_OUT_NO_ERRORS_FOUND);
}
| 26,217 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static void sysbus_esp_mem_write(void *opaque, target_phys_addr_t addr,
uint64_t val, unsigned int size)
{
SysBusESPState *sysbus = opaque;
uint32_t saddr;
saddr = addr >> sysbus->it_shift;
esp_reg_write(&sysbus->esp, saddr, val);
}
| 26,218 |
FFmpeg | ee9f36a88eb3e2706ea659acb0ca80c414fa5d8a | 0 | static uint32_t adler32(uint32_t adler, const uint8_t *buf, unsigned int len)
{
unsigned long s1 = adler & 0xffff;
unsigned long s2 = (adler >> 16) & 0xffff;
int k;
if (buf == NULL) return 1L;
while (len > 0) {
k = len < NMAX ? len : NMAX;
len -= k;
while (k >= 16) {
DO16(buf);
k -= 16;
}
if (k != 0) do {
DO1(buf);
} while (--k);
s1 %= BASE;
s2 %= BASE;
}
return (s2 << 16) | s1;
}
| 26,219 |
qemu | a89f364ae8740dfc31b321eed9ee454e996dc3c1 | 0 | static int wm8750_tx(I2CSlave *i2c, uint8_t data)
{
WM8750State *s = WM8750(i2c);
uint8_t cmd;
uint16_t value;
if (s->i2c_len >= 2) {
#ifdef VERBOSE
printf("%s: long message (%i bytes)\n", __func__, s->i2c_len);
#endif
return 1;
}
s->i2c_data[s->i2c_len ++] = data;
if (s->i2c_len != 2)
return 0;
cmd = s->i2c_data[0] >> 1;
value = ((s->i2c_data[0] << 8) | s->i2c_data[1]) & 0x1ff;
switch (cmd) {
case WM8750_LADCIN: /* ADC Signal Path Control (Left) */
s->diff[0] = (((value >> 6) & 3) == 3); /* LINSEL */
if (s->diff[0])
s->in[0] = &s->adc_voice[0 + s->ds * 1];
else
s->in[0] = &s->adc_voice[((value >> 6) & 3) * 1 + 0];
break;
case WM8750_RADCIN: /* ADC Signal Path Control (Right) */
s->diff[1] = (((value >> 6) & 3) == 3); /* RINSEL */
if (s->diff[1])
s->in[1] = &s->adc_voice[0 + s->ds * 1];
else
s->in[1] = &s->adc_voice[((value >> 6) & 3) * 1 + 0];
break;
case WM8750_ADCIN: /* ADC Input Mode */
s->ds = (value >> 8) & 1; /* DS */
if (s->diff[0])
s->in[0] = &s->adc_voice[0 + s->ds * 1];
if (s->diff[1])
s->in[1] = &s->adc_voice[0 + s->ds * 1];
s->monomix[0] = (value >> 6) & 3; /* MONOMIX */
break;
case WM8750_ADCTL1: /* Additional Control (1) */
s->monomix[1] = (value >> 1) & 1; /* DMONOMIX */
break;
case WM8750_PWR1: /* Power Management (1) */
s->enable = ((value >> 6) & 7) == 3; /* VMIDSEL, VREF */
wm8750_set_format(s);
break;
case WM8750_LINVOL: /* Left Channel PGA */
s->invol[0] = value & 0x3f; /* LINVOL */
s->inmute[0] = (value >> 7) & 1; /* LINMUTE */
wm8750_vol_update(s);
break;
case WM8750_RINVOL: /* Right Channel PGA */
s->invol[1] = value & 0x3f; /* RINVOL */
s->inmute[1] = (value >> 7) & 1; /* RINMUTE */
wm8750_vol_update(s);
break;
case WM8750_ADCDAC: /* ADC and DAC Control */
s->pol = (value >> 5) & 3; /* ADCPOL */
s->mute = (value >> 3) & 1; /* DACMU */
wm8750_vol_update(s);
break;
case WM8750_ADCTL3: /* Additional Control (3) */
break;
case WM8750_LADC: /* Left ADC Digital Volume */
s->invol[2] = value & 0xff; /* LADCVOL */
wm8750_vol_update(s);
break;
case WM8750_RADC: /* Right ADC Digital Volume */
s->invol[3] = value & 0xff; /* RADCVOL */
wm8750_vol_update(s);
break;
case WM8750_ALC1: /* ALC Control (1) */
s->alc = (value >> 7) & 3; /* ALCSEL */
break;
case WM8750_NGATE: /* Noise Gate Control */
case WM8750_3D: /* 3D enhance */
break;
case WM8750_LDAC: /* Left Channel Digital Volume */
s->outvol[0] = value & 0xff; /* LDACVOL */
wm8750_vol_update(s);
break;
case WM8750_RDAC: /* Right Channel Digital Volume */
s->outvol[1] = value & 0xff; /* RDACVOL */
wm8750_vol_update(s);
break;
case WM8750_BASS: /* Bass Control */
break;
case WM8750_LOUTM1: /* Left Mixer Control (1) */
s->path[0] = (value >> 8) & 1; /* LD2LO */
/* TODO: mute/unmute respective paths */
wm8750_vol_update(s);
break;
case WM8750_LOUTM2: /* Left Mixer Control (2) */
s->path[1] = (value >> 8) & 1; /* RD2LO */
/* TODO: mute/unmute respective paths */
wm8750_vol_update(s);
break;
case WM8750_ROUTM1: /* Right Mixer Control (1) */
s->path[2] = (value >> 8) & 1; /* LD2RO */
/* TODO: mute/unmute respective paths */
wm8750_vol_update(s);
break;
case WM8750_ROUTM2: /* Right Mixer Control (2) */
s->path[3] = (value >> 8) & 1; /* RD2RO */
/* TODO: mute/unmute respective paths */
wm8750_vol_update(s);
break;
case WM8750_MOUTM1: /* Mono Mixer Control (1) */
s->mpath[0] = (value >> 8) & 1; /* LD2MO */
/* TODO: mute/unmute respective paths */
wm8750_vol_update(s);
break;
case WM8750_MOUTM2: /* Mono Mixer Control (2) */
s->mpath[1] = (value >> 8) & 1; /* RD2MO */
/* TODO: mute/unmute respective paths */
wm8750_vol_update(s);
break;
case WM8750_LOUT1V: /* LOUT1 Volume */
s->outvol[2] = value & 0x7f; /* LOUT1VOL */
wm8750_vol_update(s);
break;
case WM8750_LOUT2V: /* LOUT2 Volume */
s->outvol[4] = value & 0x7f; /* LOUT2VOL */
wm8750_vol_update(s);
break;
case WM8750_ROUT1V: /* ROUT1 Volume */
s->outvol[3] = value & 0x7f; /* ROUT1VOL */
wm8750_vol_update(s);
break;
case WM8750_ROUT2V: /* ROUT2 Volume */
s->outvol[5] = value & 0x7f; /* ROUT2VOL */
wm8750_vol_update(s);
break;
case WM8750_MOUTV: /* MONOOUT Volume */
s->outvol[6] = value & 0x7f; /* MONOOUTVOL */
wm8750_vol_update(s);
break;
case WM8750_ADCTL2: /* Additional Control (2) */
break;
case WM8750_PWR2: /* Power Management (2) */
s->power = value & 0x7e;
/* TODO: mute/unmute respective paths */
wm8750_vol_update(s);
break;
case WM8750_IFACE: /* Digital Audio Interface Format */
s->format = value;
s->master = (value >> 6) & 1; /* MS */
wm8750_clk_update(s, s->master);
break;
case WM8750_SRATE: /* Clocking and Sample Rate Control */
s->rate = &wm_rate_table[(value >> 1) & 0x1f];
wm8750_clk_update(s, 0);
break;
case WM8750_RESET: /* Reset */
wm8750_reset(I2C_SLAVE(s));
break;
#ifdef VERBOSE
default:
printf("%s: unknown register %02x\n", __FUNCTION__, cmd);
#endif
}
return 0;
}
| 26,220 |
qemu | 7bd427d801e1e3293a634d3c83beadaa90ffb911 | 0 | static int protocol_client_msg(VncState *vs, uint8_t *data, size_t len)
{
int i;
uint16_t limit;
VncDisplay *vd = vs->vd;
if (data[0] > 3) {
vd->timer_interval = VNC_REFRESH_INTERVAL_BASE;
if (!qemu_timer_expired(vd->timer, qemu_get_clock(rt_clock) + vd->timer_interval))
qemu_mod_timer(vd->timer, qemu_get_clock(rt_clock) + vd->timer_interval);
}
switch (data[0]) {
case VNC_MSG_CLIENT_SET_PIXEL_FORMAT:
if (len == 1)
return 20;
set_pixel_format(vs, read_u8(data, 4), read_u8(data, 5),
read_u8(data, 6), read_u8(data, 7),
read_u16(data, 8), read_u16(data, 10),
read_u16(data, 12), read_u8(data, 14),
read_u8(data, 15), read_u8(data, 16));
break;
case VNC_MSG_CLIENT_SET_ENCODINGS:
if (len == 1)
return 4;
if (len == 4) {
limit = read_u16(data, 2);
if (limit > 0)
return 4 + (limit * 4);
} else
limit = read_u16(data, 2);
for (i = 0; i < limit; i++) {
int32_t val = read_s32(data, 4 + (i * 4));
memcpy(data + 4 + (i * 4), &val, sizeof(val));
}
set_encodings(vs, (int32_t *)(data + 4), limit);
break;
case VNC_MSG_CLIENT_FRAMEBUFFER_UPDATE_REQUEST:
if (len == 1)
return 10;
framebuffer_update_request(vs,
read_u8(data, 1), read_u16(data, 2), read_u16(data, 4),
read_u16(data, 6), read_u16(data, 8));
break;
case VNC_MSG_CLIENT_KEY_EVENT:
if (len == 1)
return 8;
key_event(vs, read_u8(data, 1), read_u32(data, 4));
break;
case VNC_MSG_CLIENT_POINTER_EVENT:
if (len == 1)
return 6;
pointer_event(vs, read_u8(data, 1), read_u16(data, 2), read_u16(data, 4));
break;
case VNC_MSG_CLIENT_CUT_TEXT:
if (len == 1)
return 8;
if (len == 8) {
uint32_t dlen = read_u32(data, 4);
if (dlen > 0)
return 8 + dlen;
}
client_cut_text(vs, read_u32(data, 4), data + 8);
break;
case VNC_MSG_CLIENT_QEMU:
if (len == 1)
return 2;
switch (read_u8(data, 1)) {
case VNC_MSG_CLIENT_QEMU_EXT_KEY_EVENT:
if (len == 2)
return 12;
ext_key_event(vs, read_u16(data, 2),
read_u32(data, 4), read_u32(data, 8));
break;
case VNC_MSG_CLIENT_QEMU_AUDIO:
if (len == 2)
return 4;
switch (read_u16 (data, 2)) {
case VNC_MSG_CLIENT_QEMU_AUDIO_ENABLE:
audio_add(vs);
break;
case VNC_MSG_CLIENT_QEMU_AUDIO_DISABLE:
audio_del(vs);
break;
case VNC_MSG_CLIENT_QEMU_AUDIO_SET_FORMAT:
if (len == 4)
return 10;
switch (read_u8(data, 4)) {
case 0: vs->as.fmt = AUD_FMT_U8; break;
case 1: vs->as.fmt = AUD_FMT_S8; break;
case 2: vs->as.fmt = AUD_FMT_U16; break;
case 3: vs->as.fmt = AUD_FMT_S16; break;
case 4: vs->as.fmt = AUD_FMT_U32; break;
case 5: vs->as.fmt = AUD_FMT_S32; break;
default:
printf("Invalid audio format %d\n", read_u8(data, 4));
vnc_client_error(vs);
break;
}
vs->as.nchannels = read_u8(data, 5);
if (vs->as.nchannels != 1 && vs->as.nchannels != 2) {
printf("Invalid audio channel coount %d\n",
read_u8(data, 5));
vnc_client_error(vs);
break;
}
vs->as.freq = read_u32(data, 6);
break;
default:
printf ("Invalid audio message %d\n", read_u8(data, 4));
vnc_client_error(vs);
break;
}
break;
default:
printf("Msg: %d\n", read_u16(data, 0));
vnc_client_error(vs);
break;
}
break;
default:
printf("Msg: %d\n", data[0]);
vnc_client_error(vs);
break;
}
vnc_read_when(vs, protocol_client_msg, 1);
return 0;
}
| 26,221 |
qemu | 9a78eead0c74333a394c0f7bbfc4423ac746fcd5 | 0 | void ppc_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...))
{
int i, max;
max = ARRAY_SIZE(ppc_defs);
for (i = 0; i < max; i++) {
(*cpu_fprintf)(f, "PowerPC %-16s PVR %08x\n",
ppc_defs[i].name, ppc_defs[i].pvr);
}
}
| 26,222 |
qemu | 41bf234d8e35e9273290df278e2aeb88c0c50a4f | 0 | static void gic_update(gic_state *s)
{
int best_irq;
int best_prio;
int irq;
int level;
int cpu;
int cm;
for (cpu = 0; cpu < NUM_CPU(s); cpu++) {
cm = 1 << cpu;
s->current_pending[cpu] = 1023;
if (!s->enabled || !s->cpu_enabled[cpu]) {
qemu_irq_lower(s->parent_irq[cpu]);
return;
}
best_prio = 0x100;
best_irq = 1023;
for (irq = 0; irq < GIC_NIRQ; irq++) {
if (GIC_TEST_ENABLED(irq) && GIC_TEST_PENDING(irq, cm)) {
if (GIC_GET_PRIORITY(irq, cpu) < best_prio) {
best_prio = GIC_GET_PRIORITY(irq, cpu);
best_irq = irq;
}
}
}
level = 0;
if (best_prio <= s->priority_mask[cpu]) {
s->current_pending[cpu] = best_irq;
if (best_prio < s->running_priority[cpu]) {
DPRINTF("Raised pending IRQ %d\n", best_irq);
level = 1;
}
}
qemu_set_irq(s->parent_irq[cpu], level);
}
}
| 26,224 |
qemu | 4a1418e07bdcfaa3177739e04707ecaec75d89e1 | 0 | static void *kqemu_vmalloc(size_t size)
{
static int phys_ram_fd = -1;
static int phys_ram_size = 0;
void *ptr;
/* no need (?) for a dummy file on OpenBSD/FreeBSD */
#if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__DragonFly__)
int map_anon = MAP_ANON;
#else
int map_anon = 0;
const char *tmpdir;
char phys_ram_file[1024];
#ifdef CONFIG_SOLARIS
struct statvfs stfs;
#else
struct statfs stfs;
#endif
if (!size) {
abort ();
}
if (phys_ram_fd < 0) {
tmpdir = getenv("QEMU_TMPDIR");
if (!tmpdir)
#ifdef CONFIG_SOLARIS
tmpdir = "/tmp";
if (statvfs(tmpdir, &stfs) == 0) {
#else
tmpdir = "/dev/shm";
if (statfs(tmpdir, &stfs) == 0) {
#endif
int64_t free_space;
int ram_mb;
free_space = (int64_t)stfs.f_bavail * stfs.f_bsize;
if ((ram_size + 8192 * 1024) >= free_space) {
ram_mb = (ram_size / (1024 * 1024));
fprintf(stderr,
"You do not have enough space in '%s' for the %d MB of QEMU virtual RAM.\n",
tmpdir, ram_mb);
if (strcmp(tmpdir, "/dev/shm") == 0) {
fprintf(stderr, "To have more space available provided you have enough RAM and swap, do as root:\n"
"mount -o remount,size=%dm /dev/shm\n",
ram_mb + 16);
} else {
fprintf(stderr,
"Use the '-m' option of QEMU to diminish the amount of virtual RAM or use the\n"
"QEMU_TMPDIR environment variable to set another directory where the QEMU\n"
"temporary RAM file will be opened.\n");
}
fprintf(stderr, "Or disable the accelerator module with -no-kqemu\n");
exit(1);
}
}
snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/qemuXXXXXX",
tmpdir);
phys_ram_fd = mkstemp(phys_ram_file);
if (phys_ram_fd < 0) {
fprintf(stderr,
"warning: could not create temporary file in '%s'.\n"
"Use QEMU_TMPDIR to select a directory in a tmpfs filesystem.\n"
"Using '/tmp' as fallback.\n",
tmpdir);
snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/qemuXXXXXX",
"/tmp");
phys_ram_fd = mkstemp(phys_ram_file);
if (phys_ram_fd < 0) {
fprintf(stderr, "Could not create temporary memory file '%s'\n",
phys_ram_file);
exit(1);
}
}
unlink(phys_ram_file);
}
size = (size + 4095) & ~4095;
ftruncate(phys_ram_fd, phys_ram_size + size);
#endif /* !(__OpenBSD__ || __FreeBSD__ || __DragonFly__) */
ptr = mmap(NULL,
size,
PROT_WRITE | PROT_READ, map_anon | MAP_SHARED,
phys_ram_fd, phys_ram_size);
if (ptr == MAP_FAILED) {
fprintf(stderr, "Could not map physical memory\n");
exit(1);
}
phys_ram_size += size;
return ptr;
}
| 26,228 |
qemu | 8172539d21a03e982aa7f139ddc1607dc1422045 | 0 | static uint32_t virtio_console_get_features(VirtIODevice *vdev)
{
return 0;
}
| 26,229 |
FFmpeg | 041086191fc08ab162ad6117b07a5f39639d5d9d | 0 | void event_loop(void)
{
SDL_Event event;
double incr, pos, frac;
for(;;) {
SDL_WaitEvent(&event);
switch(event.type) {
case SDL_KEYDOWN:
switch(event.key.keysym.sym) {
case SDLK_ESCAPE:
case SDLK_q:
do_exit();
break;
case SDLK_f:
toggle_full_screen();
break;
case SDLK_p:
case SDLK_SPACE:
toggle_pause();
break;
case SDLK_s: //S: Step to next frame
step_to_next_frame();
break;
case SDLK_a:
if (cur_stream)
stream_cycle_channel(cur_stream, CODEC_TYPE_AUDIO);
break;
case SDLK_v:
if (cur_stream)
stream_cycle_channel(cur_stream, CODEC_TYPE_VIDEO);
break;
case SDLK_w:
toggle_audio_display();
break;
case SDLK_LEFT:
incr = -10.0;
goto do_seek;
case SDLK_RIGHT:
incr = 10.0;
goto do_seek;
case SDLK_UP:
incr = 60.0;
goto do_seek;
case SDLK_DOWN:
incr = -60.0;
do_seek:
if (cur_stream) {
pos = get_master_clock(cur_stream);
printf("%f %f %d %d %d %d\n", (float)pos, (float)incr, cur_stream->av_sync_type == AV_SYNC_VIDEO_MASTER,
cur_stream->av_sync_type == AV_SYNC_AUDIO_MASTER, cur_stream->video_st, cur_stream->audio_st);
pos += incr;
stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE));
}
break;
default:
break;
}
break;
case SDL_MOUSEBUTTONDOWN:
if (cur_stream) {
int ns, hh, mm, ss;
int tns, thh, tmm, tss;
tns = cur_stream->ic->duration/1000000LL;
thh = tns/3600;
tmm = (tns%3600)/60;
tss = (tns%60);
frac = (double)event.button.x/(double)cur_stream->width;
ns = frac*tns;
hh = ns/3600;
mm = (ns%3600)/60;
ss = (ns%60);
fprintf(stderr, "Seek to %2.0f%% (%2d:%02d:%02d) of total duration (%2d:%02d:%02d) \n", frac*100,
hh, mm, ss, thh, tmm, tss);
stream_seek(cur_stream, (int64_t)(cur_stream->ic->start_time+frac*cur_stream->ic->duration));
}
break;
case SDL_VIDEORESIZE:
if (cur_stream) {
screen = SDL_SetVideoMode(event.resize.w, event.resize.h, 0,
SDL_HWSURFACE|SDL_RESIZABLE|SDL_ASYNCBLIT|SDL_HWACCEL);
cur_stream->width = event.resize.w;
cur_stream->height = event.resize.h;
}
break;
case SDL_QUIT:
case FF_QUIT_EVENT:
do_exit();
break;
case FF_ALLOC_EVENT:
alloc_picture(event.user.data1);
break;
case FF_REFRESH_EVENT:
video_refresh_timer(event.user.data1);
break;
default:
break;
}
}
}
| 26,231 |
qemu | e69a17f65e9f12f33c48b04a789e49d40a8993f5 | 0 | static inline void IRQ_setbit(IRQQueue *q, int n_IRQ)
{
set_bit(q->queue, n_IRQ);
}
| 26,232 |
qemu | 1ea879e5580f63414693655fcf0328559cdce138 | 0 | static void sdl_callback (void *opaque, Uint8 *buf, int len)
{
SDLVoiceOut *sdl = opaque;
SDLAudioState *s = &glob_sdl;
HWVoiceOut *hw = &sdl->hw;
int samples = len >> hw->info.shift;
if (s->exit) {
return;
}
while (samples) {
int to_mix, decr;
/* dolog ("in callback samples=%d\n", samples); */
sdl_wait (s, "sdl_callback");
if (s->exit) {
return;
}
if (sdl_lock (s, "sdl_callback")) {
return;
}
if (audio_bug (AUDIO_FUNC, sdl->live < 0 || sdl->live > hw->samples)) {
dolog ("sdl->live=%d hw->samples=%d\n",
sdl->live, hw->samples);
return;
}
if (!sdl->live) {
goto again;
}
/* dolog ("in callback live=%d\n", live); */
to_mix = audio_MIN (samples, sdl->live);
decr = to_mix;
while (to_mix) {
int chunk = audio_MIN (to_mix, hw->samples - hw->rpos);
st_sample_t *src = hw->mix_buf + hw->rpos;
/* dolog ("in callback to_mix %d, chunk %d\n", to_mix, chunk); */
hw->clip (buf, src, chunk);
sdl->rpos = (sdl->rpos + chunk) % hw->samples;
to_mix -= chunk;
buf += chunk << hw->info.shift;
}
samples -= decr;
sdl->live -= decr;
sdl->decr += decr;
again:
if (sdl_unlock (s, "sdl_callback")) {
return;
}
}
/* dolog ("done len=%d\n", len); */
}
| 26,233 |
FFmpeg | 565e0c6d866ce08d4b06427456d3d1f4fd856e9c | 0 | static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
AVFormatContext *s)
{
int64_t pos = avio_tell(pb);
avio_wb32(pb, 0); /* size */
ffio_wfourcc(pb, "ilst");
mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
mov_write_string_metadata(s, pb, "\251day", "date" , 1);
mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
mov_write_string_metadata(s, pb, "desc", "description",1);
mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
mov_write_string_metadata(s, pb, "tven", "episode_id",1);
mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
mov_write_trkn_tag(pb, mov, s);
return update_size(pb, pos);
}
| 26,235 |
FFmpeg | 0b54f3c0878a3acaa9142e4f24942e762d97e350 | 1 | static int gif_read_close(AVFormatContext *s1)
{
GifState *s = s1->priv_data;
av_free(s->image_buf);
return 0;
}
| 26,236 |
qemu | 403e633126b7a781ecd48a29e3355770d46bbf1a | 1 | void qemu_thread_get_self(QemuThread *thread)
{
if (!thread->thread) {
/* In the main thread of the process. Initialize the QemuThread
pointer in TLS, and use the dummy GetCurrentThread handle as
the identifier for qemu_thread_is_self. */
qemu_thread_init();
TlsSetValue(qemu_thread_tls_index, thread);
thread->thread = GetCurrentThread();
}
}
| 26,238 |
qemu | 480cff632221dc4d4889bf72dd0f09cd35096bc1 | 1 | static void coroutine_fn qemu_co_mutex_lock_slowpath(CoMutex *mutex)
{
Coroutine *self = qemu_coroutine_self();
CoWaitRecord w;
unsigned old_handoff;
trace_qemu_co_mutex_lock_entry(mutex, self);
w.co = self;
push_waiter(mutex, &w);
/* This is the "Responsibility Hand-Off" protocol; a lock() picks from
* a concurrent unlock() the responsibility of waking somebody up.
*/
old_handoff = atomic_mb_read(&mutex->handoff);
if (old_handoff &&
has_waiters(mutex) &&
atomic_cmpxchg(&mutex->handoff, old_handoff, 0) == old_handoff) {
/* There can be no concurrent pops, because there can be only
* one active handoff at a time.
*/
CoWaitRecord *to_wake = pop_waiter(mutex);
Coroutine *co = to_wake->co;
if (co == self) {
/* We got the lock ourselves! */
assert(to_wake == &w);
return;
}
aio_co_wake(co);
}
qemu_coroutine_yield();
trace_qemu_co_mutex_lock_return(mutex, self);
}
| 26,239 |
FFmpeg | 2c046c718aefbc9f8223e22f85bb119da4fea04d | 1 | static int pnm_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame, AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
PNMContext * const s = avctx->priv_data;
AVFrame * const p = data;
int i, j, n, linesize, h, upgrade = 0, is_mono = 0;
unsigned char *ptr;
int components, sample_len, ret;
unsigned int maskval = 0;
s->bytestream_start =
s->bytestream = (uint8_t *)buf;
s->bytestream_end = (uint8_t *)buf + buf_size;
if ((ret = ff_pnm_decode_header(avctx, s)) < 0)
return ret;
if ((ret = ff_get_buffer(avctx, p, 0)) < 0)
return ret;
p->pict_type = AV_PICTURE_TYPE_I;
p->key_frame = 1;
switch (avctx->pix_fmt) {
default:
return AVERROR(EINVAL);
case AV_PIX_FMT_RGBA64BE:
n = avctx->width * 8;
components=4;
sample_len=16;
goto do_read;
case AV_PIX_FMT_RGB48BE:
n = avctx->width * 6;
components=3;
sample_len=16;
goto do_read;
case AV_PIX_FMT_RGBA:
n = avctx->width * 4;
components=4;
sample_len=8;
goto do_read;
case AV_PIX_FMT_RGB24:
n = avctx->width * 3;
components=3;
sample_len=8;
goto do_read;
case AV_PIX_FMT_GRAY8:
n = avctx->width;
components=1;
sample_len=8;
if (s->maxval < 255) {
upgrade = 1;
maskval = (2 << av_log2(s->maxval)) - 1;
}
goto do_read;
case AV_PIX_FMT_GRAY8A:
n = avctx->width * 2;
components=2;
sample_len=8;
goto do_read;
case AV_PIX_FMT_GRAY16BE:
case AV_PIX_FMT_GRAY16LE:
n = avctx->width * 2;
components=1;
sample_len=16;
if (s->maxval < 65535) {
upgrade = 2;
maskval = (2 << av_log2(s->maxval)) - 1;
}
goto do_read;
case AV_PIX_FMT_MONOWHITE:
case AV_PIX_FMT_MONOBLACK:
n = (avctx->width + 7) >> 3;
components=1;
sample_len=1;
is_mono = 1;
do_read:
ptr = p->data[0];
linesize = p->linesize[0];
if (s->bytestream + n * avctx->height > s->bytestream_end)
return AVERROR_INVALIDDATA;
if(s->type < 4 || (is_mono && s->type==7)){
for (i=0; i<avctx->height; i++) {
PutBitContext pb;
init_put_bits(&pb, ptr, linesize);
for(j=0; j<avctx->width * components; j++){
unsigned int c=0;
int v=0;
if(s->type < 4)
while(s->bytestream < s->bytestream_end && (*s->bytestream < '0' || *s->bytestream > '9' ))
s->bytestream++;
if(s->bytestream >= s->bytestream_end)
return AVERROR_INVALIDDATA;
if (is_mono) {
/* read a single digit */
v = (*s->bytestream++)&1;
} else {
/* read a sequence of digits */
do {
v = 10*v + c;
c = (*s->bytestream++) - '0';
} while (c <= 9);
}
put_bits(&pb, sample_len, (((1<<sample_len)-1)*v + (s->maxval>>1))/s->maxval);
}
flush_put_bits(&pb);
ptr+= linesize;
}
}else{
for (i = 0; i < avctx->height; i++) {
if (!upgrade)
memcpy(ptr, s->bytestream, n);
else if (upgrade == 1) {
unsigned int j, f = (255 * 128 + s->maxval / 2) / s->maxval;
for (j = 0; j < n; j++)
ptr[j] = ((s->bytestream[j] & maskval) * f + 64) >> 7;
} else if (upgrade == 2) {
unsigned int j, v, f = (65535 * 32768 + s->maxval / 2) / s->maxval;
for (j = 0; j < n / 2; j++) {
v = av_be2ne16(((uint16_t *)s->bytestream)[j]) & maskval;
((uint16_t *)ptr)[j] = (v * f + 16384) >> 15;
}
}
s->bytestream += n;
ptr += linesize;
}
}
break;
case AV_PIX_FMT_YUV420P:
case AV_PIX_FMT_YUV420P9BE:
case AV_PIX_FMT_YUV420P10BE:
{
unsigned char *ptr1, *ptr2;
n = avctx->width;
ptr = p->data[0];
linesize = p->linesize[0];
if (s->maxval >= 256)
n *= 2;
if (s->bytestream + n * avctx->height * 3 / 2 > s->bytestream_end)
return AVERROR_INVALIDDATA;
for (i = 0; i < avctx->height; i++) {
memcpy(ptr, s->bytestream, n);
s->bytestream += n;
ptr += linesize;
}
ptr1 = p->data[1];
ptr2 = p->data[2];
n >>= 1;
h = avctx->height >> 1;
for (i = 0; i < h; i++) {
memcpy(ptr1, s->bytestream, n);
s->bytestream += n;
memcpy(ptr2, s->bytestream, n);
s->bytestream += n;
ptr1 += p->linesize[1];
ptr2 += p->linesize[2];
}
}
break;
case AV_PIX_FMT_YUV420P16:
{
uint16_t *ptr1, *ptr2;
const int f = (65535 * 32768 + s->maxval / 2) / s->maxval;
unsigned int j, v;
n = avctx->width * 2;
ptr = p->data[0];
linesize = p->linesize[0];
if (s->bytestream + n * avctx->height * 3 / 2 > s->bytestream_end)
return AVERROR_INVALIDDATA;
for (i = 0; i < avctx->height; i++) {
for (j = 0; j < n / 2; j++) {
v = av_be2ne16(((uint16_t *)s->bytestream)[j]);
((uint16_t *)ptr)[j] = (v * f + 16384) >> 15;
}
s->bytestream += n;
ptr += linesize;
}
ptr1 = (uint16_t*)p->data[1];
ptr2 = (uint16_t*)p->data[2];
n >>= 1;
h = avctx->height >> 1;
for (i = 0; i < h; i++) {
for (j = 0; j < n / 2; j++) {
v = av_be2ne16(((uint16_t *)s->bytestream)[j]);
ptr1[j] = (v * f + 16384) >> 15;
}
s->bytestream += n;
for (j = 0; j < n / 2; j++) {
v = av_be2ne16(((uint16_t *)s->bytestream)[j]);
ptr2[j] = (v * f + 16384) >> 15;
}
s->bytestream += n;
ptr1 += p->linesize[1] / 2;
ptr2 += p->linesize[2] / 2;
}
}
break;
}
*got_frame = 1;
return s->bytestream - s->bytestream_start;
}
| 26,240 |
qemu | e4a3507e86a1ef1453d603031bca27d5ac4cff3c | 0 | static ssize_t block_crypto_write_func(QCryptoBlock *block,
void *opaque,
size_t offset,
const uint8_t *buf,
size_t buflen,
Error **errp)
{
struct BlockCryptoCreateData *data = opaque;
ssize_t ret;
ret = blk_pwrite(data->blk, offset, buf, buflen, 0);
if (ret < 0) {
error_setg_errno(errp, -ret, "Could not write encryption header");
return ret;
}
return ret;
}
| 26,241 |
qemu | d6f4ade214a9f74dca9495b83a24ff9c113e4f9a | 0 | static int qemu_calculate_timeout(void)
{
#ifndef CONFIG_IOTHREAD
int timeout;
if (!vm_running)
timeout = 5000;
else if (tcg_has_work())
timeout = 0;
else {
/* XXX: use timeout computed from timers */
int64_t add;
int64_t delta;
/* Advance virtual time to the next event. */
delta = qemu_icount_delta();
if (delta > 0) {
/* If virtual time is ahead of real time then just
wait for IO. */
timeout = (delta + 999999) / 1000000;
} else {
/* Wait for either IO to occur or the next
timer event. */
add = qemu_next_deadline();
/* We advance the timer before checking for IO.
Limit the amount we advance so that early IO
activity won't get the guest too far ahead. */
if (add > 10000000)
add = 10000000;
delta += add;
qemu_icount += qemu_icount_round (add);
timeout = delta / 1000000;
if (timeout < 0)
timeout = 0;
}
}
return timeout;
#else /* CONFIG_IOTHREAD */
return 1000;
#endif
}
| 26,244 |
qemu | e280ff5e9159ed227a117339c1157143627cab96 | 0 | static int spice_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
{
SpiceCharDriver *s = chr->opaque;
vmc_register_interface(s);
assert(s->datalen == 0);
if (s->bufsize < len) {
s->bufsize = len;
s->buffer = g_realloc(s->buffer, s->bufsize);
}
memcpy(s->buffer, buf, len);
s->datapos = s->buffer;
s->datalen = len;
spice_server_char_device_wakeup(&s->sin);
return len;
}
| 26,246 |
qemu | 68756ba8be2127b6ea30a466af9f78a5c97bc15f | 0 | static int net_slirp_init(NetClientState *peer, const char *model,
const char *name, int restricted,
const char *vnetwork, const char *vhost,
const char *vhostname, const char *tftp_export,
const char *bootfile, const char *vdhcp_start,
const char *vnameserver, const char *smb_export,
const char *vsmbserver, const char **dnssearch)
{
/* default settings according to historic slirp */
struct in_addr net = { .s_addr = htonl(0x0a000200) }; /* 10.0.2.0 */
struct in_addr mask = { .s_addr = htonl(0xffffff00) }; /* 255.255.255.0 */
struct in_addr host = { .s_addr = htonl(0x0a000202) }; /* 10.0.2.2 */
struct in_addr dhcp = { .s_addr = htonl(0x0a00020f) }; /* 10.0.2.15 */
struct in_addr dns = { .s_addr = htonl(0x0a000203) }; /* 10.0.2.3 */
#ifndef _WIN32
struct in_addr smbsrv = { .s_addr = 0 };
#endif
NetClientState *nc;
SlirpState *s;
char buf[20];
uint32_t addr;
int shift;
char *end;
struct slirp_config_str *config;
if (!tftp_export) {
tftp_export = legacy_tftp_prefix;
}
if (!bootfile) {
bootfile = legacy_bootp_filename;
}
if (vnetwork) {
if (get_str_sep(buf, sizeof(buf), &vnetwork, '/') < 0) {
if (!inet_aton(vnetwork, &net)) {
return -1;
}
addr = ntohl(net.s_addr);
if (!(addr & 0x80000000)) {
mask.s_addr = htonl(0xff000000); /* class A */
} else if ((addr & 0xfff00000) == 0xac100000) {
mask.s_addr = htonl(0xfff00000); /* priv. 172.16.0.0/12 */
} else if ((addr & 0xc0000000) == 0x80000000) {
mask.s_addr = htonl(0xffff0000); /* class B */
} else if ((addr & 0xffff0000) == 0xc0a80000) {
mask.s_addr = htonl(0xffff0000); /* priv. 192.168.0.0/16 */
} else if ((addr & 0xffff0000) == 0xc6120000) {
mask.s_addr = htonl(0xfffe0000); /* tests 198.18.0.0/15 */
} else if ((addr & 0xe0000000) == 0xe0000000) {
mask.s_addr = htonl(0xffffff00); /* class C */
} else {
mask.s_addr = htonl(0xfffffff0); /* multicast/reserved */
}
} else {
if (!inet_aton(buf, &net)) {
return -1;
}
shift = strtol(vnetwork, &end, 10);
if (*end != '\0') {
if (!inet_aton(vnetwork, &mask)) {
return -1;
}
} else if (shift < 4 || shift > 32) {
return -1;
} else {
mask.s_addr = htonl(0xffffffff << (32 - shift));
}
}
net.s_addr &= mask.s_addr;
host.s_addr = net.s_addr | (htonl(0x0202) & ~mask.s_addr);
dhcp.s_addr = net.s_addr | (htonl(0x020f) & ~mask.s_addr);
dns.s_addr = net.s_addr | (htonl(0x0203) & ~mask.s_addr);
}
if (vhost && !inet_aton(vhost, &host)) {
return -1;
}
if ((host.s_addr & mask.s_addr) != net.s_addr) {
return -1;
}
if (vdhcp_start && !inet_aton(vdhcp_start, &dhcp)) {
return -1;
}
if ((dhcp.s_addr & mask.s_addr) != net.s_addr ||
dhcp.s_addr == host.s_addr || dhcp.s_addr == dns.s_addr) {
return -1;
}
if (vnameserver && !inet_aton(vnameserver, &dns)) {
return -1;
}
if ((dns.s_addr & mask.s_addr) != net.s_addr ||
dns.s_addr == host.s_addr) {
return -1;
}
#ifndef _WIN32
if (vsmbserver && !inet_aton(vsmbserver, &smbsrv)) {
return -1;
}
#endif
nc = qemu_new_net_client(&net_slirp_info, peer, model, name);
snprintf(nc->info_str, sizeof(nc->info_str),
"net=%s,restrict=%s", inet_ntoa(net),
restricted ? "on" : "off");
s = DO_UPCAST(SlirpState, nc, nc);
s->slirp = slirp_init(restricted, net, mask, host, vhostname,
tftp_export, bootfile, dhcp, dns, dnssearch, s);
QTAILQ_INSERT_TAIL(&slirp_stacks, s, entry);
for (config = slirp_configs; config; config = config->next) {
if (config->flags & SLIRP_CFG_HOSTFWD) {
if (slirp_hostfwd(s, config->str,
config->flags & SLIRP_CFG_LEGACY) < 0)
goto error;
} else {
if (slirp_guestfwd(s, config->str,
config->flags & SLIRP_CFG_LEGACY) < 0)
goto error;
}
}
#ifndef _WIN32
if (!smb_export) {
smb_export = legacy_smb_export;
}
if (smb_export) {
if (slirp_smb(s, smb_export, smbsrv) < 0)
goto error;
}
#endif
return 0;
error:
qemu_del_net_client(nc);
return -1;
}
| 26,247 |
qemu | 492ec48dc2d99ca13b24d554e1970af7e2581e23 | 0 | static int ppce500_load_device_tree(CPUPPCState *env,
PPCE500Params *params,
hwaddr addr,
hwaddr initrd_base,
hwaddr initrd_size)
{
int ret = -1;
uint64_t mem_reg_property[] = { 0, cpu_to_be64(params->ram_size) };
int fdt_size;
void *fdt;
uint8_t hypercall[16];
uint32_t clock_freq = 400000000;
uint32_t tb_freq = 400000000;
int i;
const char *toplevel_compat = NULL; /* user override */
char compatible_sb[] = "fsl,mpc8544-immr\0simple-bus";
char soc[128];
char mpic[128];
uint32_t mpic_ph;
uint32_t msi_ph;
char gutil[128];
char pci[128];
char msi[128];
uint32_t *pci_map = NULL;
int len;
uint32_t pci_ranges[14] =
{
0x2000000, 0x0, 0xc0000000,
0x0, 0xc0000000,
0x0, 0x20000000,
0x1000000, 0x0, 0x0,
0x0, 0xe1000000,
0x0, 0x10000,
};
QemuOpts *machine_opts;
const char *dtb_file = NULL;
machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
if (machine_opts) {
dtb_file = qemu_opt_get(machine_opts, "dtb");
toplevel_compat = qemu_opt_get(machine_opts, "dt_compatible");
}
if (dtb_file) {
char *filename;
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, dtb_file);
if (!filename) {
goto out;
}
fdt = load_device_tree(filename, &fdt_size);
if (!fdt) {
goto out;
}
goto done;
}
fdt = create_device_tree(&fdt_size);
if (fdt == NULL) {
goto out;
}
/* Manipulate device tree in memory. */
qemu_devtree_setprop_cell(fdt, "/", "#address-cells", 2);
qemu_devtree_setprop_cell(fdt, "/", "#size-cells", 2);
qemu_devtree_add_subnode(fdt, "/memory");
qemu_devtree_setprop_string(fdt, "/memory", "device_type", "memory");
qemu_devtree_setprop(fdt, "/memory", "reg", mem_reg_property,
sizeof(mem_reg_property));
qemu_devtree_add_subnode(fdt, "/chosen");
if (initrd_size) {
ret = qemu_devtree_setprop_cell(fdt, "/chosen", "linux,initrd-start",
initrd_base);
if (ret < 0) {
fprintf(stderr, "couldn't set /chosen/linux,initrd-start\n");
}
ret = qemu_devtree_setprop_cell(fdt, "/chosen", "linux,initrd-end",
(initrd_base + initrd_size));
if (ret < 0) {
fprintf(stderr, "couldn't set /chosen/linux,initrd-end\n");
}
}
ret = qemu_devtree_setprop_string(fdt, "/chosen", "bootargs",
params->kernel_cmdline);
if (ret < 0)
fprintf(stderr, "couldn't set /chosen/bootargs\n");
if (kvm_enabled()) {
/* Read out host's frequencies */
clock_freq = kvmppc_get_clockfreq();
tb_freq = kvmppc_get_tbfreq();
/* indicate KVM hypercall interface */
qemu_devtree_add_subnode(fdt, "/hypervisor");
qemu_devtree_setprop_string(fdt, "/hypervisor", "compatible",
"linux,kvm");
kvmppc_get_hypercall(env, hypercall, sizeof(hypercall));
qemu_devtree_setprop(fdt, "/hypervisor", "hcall-instructions",
hypercall, sizeof(hypercall));
}
/* Create CPU nodes */
qemu_devtree_add_subnode(fdt, "/cpus");
qemu_devtree_setprop_cell(fdt, "/cpus", "#address-cells", 1);
qemu_devtree_setprop_cell(fdt, "/cpus", "#size-cells", 0);
/* We need to generate the cpu nodes in reverse order, so Linux can pick
the first node as boot node and be happy */
for (i = smp_cpus - 1; i >= 0; i--) {
char cpu_name[128];
uint64_t cpu_release_addr = MPC8544_SPIN_BASE + (i * 0x20);
for (env = first_cpu; env != NULL; env = env->next_cpu) {
if (env->cpu_index == i) {
break;
}
}
if (!env) {
continue;
}
snprintf(cpu_name, sizeof(cpu_name), "/cpus/PowerPC,8544@%x", env->cpu_index);
qemu_devtree_add_subnode(fdt, cpu_name);
qemu_devtree_setprop_cell(fdt, cpu_name, "clock-frequency", clock_freq);
qemu_devtree_setprop_cell(fdt, cpu_name, "timebase-frequency", tb_freq);
qemu_devtree_setprop_string(fdt, cpu_name, "device_type", "cpu");
qemu_devtree_setprop_cell(fdt, cpu_name, "reg", env->cpu_index);
qemu_devtree_setprop_cell(fdt, cpu_name, "d-cache-line-size",
env->dcache_line_size);
qemu_devtree_setprop_cell(fdt, cpu_name, "i-cache-line-size",
env->icache_line_size);
qemu_devtree_setprop_cell(fdt, cpu_name, "d-cache-size", 0x8000);
qemu_devtree_setprop_cell(fdt, cpu_name, "i-cache-size", 0x8000);
qemu_devtree_setprop_cell(fdt, cpu_name, "bus-frequency", 0);
if (env->cpu_index) {
qemu_devtree_setprop_string(fdt, cpu_name, "status", "disabled");
qemu_devtree_setprop_string(fdt, cpu_name, "enable-method", "spin-table");
qemu_devtree_setprop_u64(fdt, cpu_name, "cpu-release-addr",
cpu_release_addr);
} else {
qemu_devtree_setprop_string(fdt, cpu_name, "status", "okay");
}
}
qemu_devtree_add_subnode(fdt, "/aliases");
/* XXX These should go into their respective devices' code */
snprintf(soc, sizeof(soc), "/soc@%llx", MPC8544_CCSRBAR_BASE);
qemu_devtree_add_subnode(fdt, soc);
qemu_devtree_setprop_string(fdt, soc, "device_type", "soc");
qemu_devtree_setprop(fdt, soc, "compatible", compatible_sb,
sizeof(compatible_sb));
qemu_devtree_setprop_cell(fdt, soc, "#address-cells", 1);
qemu_devtree_setprop_cell(fdt, soc, "#size-cells", 1);
qemu_devtree_setprop_cells(fdt, soc, "ranges", 0x0,
MPC8544_CCSRBAR_BASE >> 32, MPC8544_CCSRBAR_BASE,
MPC8544_CCSRBAR_SIZE);
/* XXX should contain a reasonable value */
qemu_devtree_setprop_cell(fdt, soc, "bus-frequency", 0);
snprintf(mpic, sizeof(mpic), "%s/pic@%llx", soc, MPC8544_MPIC_REGS_OFFSET);
qemu_devtree_add_subnode(fdt, mpic);
qemu_devtree_setprop_string(fdt, mpic, "device_type", "open-pic");
qemu_devtree_setprop_string(fdt, mpic, "compatible", "chrp,open-pic");
qemu_devtree_setprop_cells(fdt, mpic, "reg", MPC8544_MPIC_REGS_OFFSET,
0x40000);
qemu_devtree_setprop_cell(fdt, mpic, "#address-cells", 0);
qemu_devtree_setprop_cell(fdt, mpic, "#interrupt-cells", 2);
mpic_ph = qemu_devtree_alloc_phandle(fdt);
qemu_devtree_setprop_cell(fdt, mpic, "phandle", mpic_ph);
qemu_devtree_setprop_cell(fdt, mpic, "linux,phandle", mpic_ph);
qemu_devtree_setprop(fdt, mpic, "interrupt-controller", NULL, 0);
/*
* We have to generate ser1 first, because Linux takes the first
* device it finds in the dt as serial output device. And we generate
* devices in reverse order to the dt.
*/
dt_serial_create(fdt, MPC8544_SERIAL1_REGS_OFFSET,
soc, mpic, "serial1", 1, false);
dt_serial_create(fdt, MPC8544_SERIAL0_REGS_OFFSET,
soc, mpic, "serial0", 0, true);
snprintf(gutil, sizeof(gutil), "%s/global-utilities@%llx", soc,
MPC8544_UTIL_OFFSET);
qemu_devtree_add_subnode(fdt, gutil);
qemu_devtree_setprop_string(fdt, gutil, "compatible", "fsl,mpc8544-guts");
qemu_devtree_setprop_cells(fdt, gutil, "reg", MPC8544_UTIL_OFFSET, 0x1000);
qemu_devtree_setprop(fdt, gutil, "fsl,has-rstcr", NULL, 0);
snprintf(msi, sizeof(msi), "/%s/msi@%llx", soc, MPC8544_MSI_REGS_OFFSET);
qemu_devtree_add_subnode(fdt, msi);
qemu_devtree_setprop_string(fdt, msi, "compatible", "fsl,mpic-msi");
qemu_devtree_setprop_cells(fdt, msi, "reg", MPC8544_MSI_REGS_OFFSET, 0x200);
msi_ph = qemu_devtree_alloc_phandle(fdt);
qemu_devtree_setprop_cells(fdt, msi, "msi-available-ranges", 0x0, 0x100);
qemu_devtree_setprop_phandle(fdt, msi, "interrupt-parent", mpic);
qemu_devtree_setprop_cells(fdt, msi, "interrupts",
0xe0, 0x0,
0xe1, 0x0,
0xe2, 0x0,
0xe3, 0x0,
0xe4, 0x0,
0xe5, 0x0,
0xe6, 0x0,
0xe7, 0x0);
qemu_devtree_setprop_cell(fdt, msi, "phandle", msi_ph);
qemu_devtree_setprop_cell(fdt, msi, "linux,phandle", msi_ph);
snprintf(pci, sizeof(pci), "/pci@%llx", MPC8544_PCI_REGS_BASE);
qemu_devtree_add_subnode(fdt, pci);
qemu_devtree_setprop_cell(fdt, pci, "cell-index", 0);
qemu_devtree_setprop_string(fdt, pci, "compatible", "fsl,mpc8540-pci");
qemu_devtree_setprop_string(fdt, pci, "device_type", "pci");
qemu_devtree_setprop_cells(fdt, pci, "interrupt-map-mask", 0xf800, 0x0,
0x0, 0x7);
pci_map = pci_map_create(fdt, qemu_devtree_get_phandle(fdt, mpic),
0x11, 2, &len);
qemu_devtree_setprop(fdt, pci, "interrupt-map", pci_map, len);
qemu_devtree_setprop_phandle(fdt, pci, "interrupt-parent", mpic);
qemu_devtree_setprop_cells(fdt, pci, "interrupts", 24, 2);
qemu_devtree_setprop_cells(fdt, pci, "bus-range", 0, 255);
for (i = 0; i < 14; i++) {
pci_ranges[i] = cpu_to_be32(pci_ranges[i]);
}
qemu_devtree_setprop_cell(fdt, pci, "fsl,msi", msi_ph);
qemu_devtree_setprop(fdt, pci, "ranges", pci_ranges, sizeof(pci_ranges));
qemu_devtree_setprop_cells(fdt, pci, "reg", MPC8544_PCI_REGS_BASE >> 32,
MPC8544_PCI_REGS_BASE, 0, 0x1000);
qemu_devtree_setprop_cell(fdt, pci, "clock-frequency", 66666666);
qemu_devtree_setprop_cell(fdt, pci, "#interrupt-cells", 1);
qemu_devtree_setprop_cell(fdt, pci, "#size-cells", 2);
qemu_devtree_setprop_cell(fdt, pci, "#address-cells", 3);
qemu_devtree_setprop_string(fdt, "/aliases", "pci0", pci);
params->fixup_devtree(params, fdt);
if (toplevel_compat) {
qemu_devtree_setprop(fdt, "/", "compatible", toplevel_compat,
strlen(toplevel_compat) + 1);
}
done:
qemu_devtree_dumpdtb(fdt, fdt_size);
ret = rom_add_blob_fixed(BINARY_DEVICE_TREE_FILE, fdt, fdt_size, addr);
if (ret < 0) {
goto out;
}
g_free(fdt);
ret = fdt_size;
out:
g_free(pci_map);
return ret;
}
| 26,248 |
FFmpeg | 0cf3505930913d3584b215f6912de04ff41366e0 | 0 | int ff_audio_mix_get_matrix(AudioMix *am, double *matrix, int stride)
{
int i, o;
if ( am->in_channels <= 0 || am->in_channels > AVRESAMPLE_MAX_CHANNELS ||
am->out_channels <= 0 || am->out_channels > AVRESAMPLE_MAX_CHANNELS) {
av_log(am, AV_LOG_ERROR, "Invalid channel counts\n");
return AVERROR(EINVAL);
}
#define GET_MATRIX_CONVERT(suffix, scale) \
if (!am->matrix_ ## suffix[0]) { \
av_log(am, AV_LOG_ERROR, "matrix is not set\n"); \
return AVERROR(EINVAL); \
} \
for (o = 0; o < am->out_channels; o++) \
for (i = 0; i < am->in_channels; i++) \
matrix[o * stride + i] = am->matrix_ ## suffix[o][i] * (scale);
switch (am->coeff_type) {
case AV_MIX_COEFF_TYPE_Q8:
GET_MATRIX_CONVERT(q8, 1.0 / 256.0);
break;
case AV_MIX_COEFF_TYPE_Q15:
GET_MATRIX_CONVERT(q15, 1.0 / 32768.0);
break;
case AV_MIX_COEFF_TYPE_FLT:
GET_MATRIX_CONVERT(flt, 1.0);
break;
default:
av_log(am, AV_LOG_ERROR, "Invalid mix coeff type\n");
return AVERROR(EINVAL);
}
return 0;
}
| 26,249 |
qemu | 4be746345f13e99e468c60acbd3a355e8183e3ce | 0 | DriveInfo *drive_get_by_blockdev(BlockDriverState *bs)
{
return bs->blk ? blk_legacy_dinfo(bs->blk) : NULL;
}
| 26,250 |
qemu | b7680cb6078bd7294a3dd86473d3f2fdee991dd0 | 0 | int kvm_arch_put_registers(CPUState *env, int level)
{
int ret;
assert(cpu_is_stopped(env) || qemu_cpu_self(env));
ret = kvm_getput_regs(env, 1);
if (ret < 0) {
return ret;
}
ret = kvm_put_xsave(env);
if (ret < 0) {
return ret;
}
ret = kvm_put_xcrs(env);
if (ret < 0) {
return ret;
}
ret = kvm_put_sregs(env);
if (ret < 0) {
return ret;
}
ret = kvm_put_msrs(env, level);
if (ret < 0) {
return ret;
}
if (level >= KVM_PUT_RESET_STATE) {
ret = kvm_put_mp_state(env);
if (ret < 0) {
return ret;
}
}
ret = kvm_put_vcpu_events(env, level);
if (ret < 0) {
return ret;
}
ret = kvm_put_debugregs(env);
if (ret < 0) {
return ret;
}
/* must be last */
ret = kvm_guest_debug_workarounds(env);
if (ret < 0) {
return ret;
}
return 0;
}
| 26,252 |