project
stringclasses 2
values | commit_id
stringlengths 40
40
| target
int64 0
1
| func
stringlengths 26
142k
| idx
int64 0
27.3k
|
|---|---|---|---|---|
qemu | ee68697551cd81186c5b12eba10c158350cf1165 | 0 | void laio_attach_aio_context(LinuxAioState *s, AioContext *new_context)
{
s->aio_context = new_context;
s->completion_bh = aio_bh_new(new_context, qemu_laio_completion_bh, s);
aio_set_event_notifier(new_context, &s->e, false,
qemu_laio_completion_cb, NULL);
}
| 2,076 |
qemu | 7d08c73e7bdc39b10e5f2f5acdce700f17ffe962 | 0 | process_tx_desc(E1000State *s, struct e1000_tx_desc *dp)
{
PCIDevice *d = PCI_DEVICE(s);
uint32_t txd_lower = le32_to_cpu(dp->lower.data);
uint32_t dtype = txd_lower & (E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D);
unsigned int split_size = txd_lower & 0xffff, bytes, sz;
unsigned int msh = 0xfffff;
uint64_t addr;
struct e1000_context_desc *xp = (struct e1000_context_desc *)dp;
struct e1000_tx *tp = &s->tx;
s->mit_ide |= (txd_lower & E1000_TXD_CMD_IDE);
if (dtype == E1000_TXD_CMD_DEXT) { /* context descriptor */
e1000x_read_tx_ctx_descr(xp, &tp->props);
tp->tso_frames = 0;
if (tp->props.tucso == 0) { /* this is probably wrong */
DBGOUT(TXSUM, "TCP/UDP: cso 0!\n");
tp->props.tucso = tp->props.tucss + (tp->props.tcp ? 16 : 6);
}
return;
} else if (dtype == (E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D)) {
// data descriptor
if (tp->size == 0) {
tp->props.sum_needed = le32_to_cpu(dp->upper.data) >> 8;
}
tp->props.cptse = (txd_lower & E1000_TXD_CMD_TSE) ? 1 : 0;
} else {
// legacy descriptor
tp->props.cptse = 0;
}
if (e1000x_vlan_enabled(s->mac_reg) &&
e1000x_is_vlan_txd(txd_lower) &&
(tp->props.cptse || txd_lower & E1000_TXD_CMD_EOP)) {
tp->vlan_needed = 1;
stw_be_p(tp->vlan_header,
le16_to_cpu(s->mac_reg[VET]));
stw_be_p(tp->vlan_header + 2,
le16_to_cpu(dp->upper.fields.special));
}
addr = le64_to_cpu(dp->buffer_addr);
if (tp->props.tse && tp->props.cptse) {
msh = tp->props.hdr_len + tp->props.mss;
do {
bytes = split_size;
if (tp->size + bytes > msh)
bytes = msh - tp->size;
bytes = MIN(sizeof(tp->data) - tp->size, bytes);
pci_dma_read(d, addr, tp->data + tp->size, bytes);
sz = tp->size + bytes;
if (sz >= tp->props.hdr_len && tp->size < tp->props.hdr_len) {
memmove(tp->header, tp->data, tp->props.hdr_len);
}
tp->size = sz;
addr += bytes;
if (sz == msh) {
xmit_seg(s);
memmove(tp->data, tp->header, tp->props.hdr_len);
tp->size = tp->props.hdr_len;
}
split_size -= bytes;
} while (bytes && split_size);
} else if (!tp->props.tse && tp->props.cptse) {
// context descriptor TSE is not set, while data descriptor TSE is set
DBGOUT(TXERR, "TCP segmentation error\n");
} else {
split_size = MIN(sizeof(tp->data) - tp->size, split_size);
pci_dma_read(d, addr, tp->data + tp->size, split_size);
tp->size += split_size;
}
if (!(txd_lower & E1000_TXD_CMD_EOP))
return;
if (!(tp->props.tse && tp->props.cptse && tp->size < tp->props.hdr_len)) {
xmit_seg(s);
}
tp->tso_frames = 0;
tp->props.sum_needed = 0;
tp->vlan_needed = 0;
tp->size = 0;
tp->props.cptse = 0;
}
| 2,077 |
qemu | 537b41f5013e1951fa15e8f18855b18d76124ce4 | 0 | int unix_socket_outgoing(const char *path)
{
Error *local_err = NULL;
int fd = unix_connect(path, &local_err);
if (local_err != NULL) {
qerror_report_err(local_err);
error_free(local_err);
}
return fd;
}
| 2,078 |
qemu | 185b43386ad999c80bdc58e41b87f05e5b3e8463 | 0 | static ssize_t nbd_receive_request(int csock, struct nbd_request *request)
{
uint8_t buf[4 + 4 + 8 + 8 + 4];
uint32_t magic;
if (read_sync(csock, buf, sizeof(buf)) != sizeof(buf)) {
LOG("read failed");
errno = EINVAL;
return -1;
}
/* Request
[ 0 .. 3] magic (NBD_REQUEST_MAGIC)
[ 4 .. 7] type (0 == READ, 1 == WRITE)
[ 8 .. 15] handle
[16 .. 23] from
[24 .. 27] len
*/
magic = be32_to_cpup((uint32_t*)buf);
request->type = be32_to_cpup((uint32_t*)(buf + 4));
request->handle = be64_to_cpup((uint64_t*)(buf + 8));
request->from = be64_to_cpup((uint64_t*)(buf + 16));
request->len = be32_to_cpup((uint32_t*)(buf + 24));
TRACE("Got request: "
"{ magic = 0x%x, .type = %d, from = %" PRIu64" , len = %u }",
magic, request->type, request->from, request->len);
if (magic != NBD_REQUEST_MAGIC) {
LOG("invalid magic (got 0x%x)", magic);
errno = EINVAL;
return -1;
}
return 0;
}
| 2,079 |
qemu | 3c529d935923a70519557d420db1d5a09a65086a | 0 | static void raw_close_fd_pool(BDRVRawState *s)
{
int i;
for (i = 0; i < RAW_FD_POOL_SIZE; i++) {
if (s->fd_pool[i] != -1) {
close(s->fd_pool[i]);
s->fd_pool[i] = -1;
}
}
}
| 2,080 |
qemu | fff23ee9a5de74ab111b3cea9eec56782e7d7c50 | 0 | static UHCIAsync *uhci_async_alloc(UHCIState *s)
{
UHCIAsync *async = g_malloc(sizeof(UHCIAsync));
memset(&async->packet, 0, sizeof(async->packet));
async->uhci = s;
async->valid = 0;
async->td = 0;
async->token = 0;
async->done = 0;
async->isoc = 0;
usb_packet_init(&async->packet);
qemu_sglist_init(&async->sgl, 1);
return async;
}
| 2,081 |
qemu | b09ea7d55cfab5a75912bb56ed1fcd757604a759 | 0 | static void apic_startup(APICState *s, int vector_num)
{
CPUState *env = s->cpu_env;
if (!env->halted)
return;
env->eip = 0;
cpu_x86_load_seg_cache(env, R_CS, vector_num << 8, vector_num << 12,
0xffff, 0);
env->halted = 0;
}
| 2,085 |
qemu | de13d2161473d02ae97ec0f8e4503147554892dd | 0 | void kvm_s390_virtio_irq(S390CPU *cpu, int config_change, uint64_t token)
{
kvm_s390_interrupt_internal(cpu, KVM_S390_INT_VIRTIO, config_change,
token, 1);
}
| 2,086 |
qemu | 61007b316cd71ee7333ff7a0a749a8949527575f | 0 | static void bdrv_io_limits_intercept(BlockDriverState *bs,
unsigned int bytes,
bool is_write)
{
/* does this io must wait */
bool must_wait = throttle_schedule_timer(&bs->throttle_state, is_write);
/* if must wait or any request of this type throttled queue the IO */
if (must_wait ||
!qemu_co_queue_empty(&bs->throttled_reqs[is_write])) {
qemu_co_queue_wait(&bs->throttled_reqs[is_write]);
}
/* the IO will be executed, do the accounting */
throttle_account(&bs->throttle_state, is_write, bytes);
/* if the next request must wait -> do nothing */
if (throttle_schedule_timer(&bs->throttle_state, is_write)) {
return;
}
/* else queue next request for execution */
qemu_co_queue_next(&bs->throttled_reqs[is_write]);
}
| 2,087 |
FFmpeg | e9e642cbfbf36285f60d1dba00103f068b077940 | 0 | static int parse_bintree(Indeo3DecodeContext *ctx, AVCodecContext *avctx,
Plane *plane, int code, Cell *ref_cell,
const int depth, const int strip_width)
{
Cell curr_cell;
int bytes_used;
if (depth <= 0) {
av_log(avctx, AV_LOG_ERROR, "Stack overflow (corrupted binary tree)!\n");
return AVERROR_INVALIDDATA; // unwind recursion
}
curr_cell = *ref_cell; // clone parent cell
if (code == H_SPLIT) {
SPLIT_CELL(ref_cell->height, curr_cell.height);
ref_cell->ypos += curr_cell.height;
ref_cell->height -= curr_cell.height;
} else if (code == V_SPLIT) {
if (curr_cell.width > strip_width) {
/* split strip */
curr_cell.width = (curr_cell.width <= (strip_width << 1) ? 1 : 2) * strip_width;
} else
SPLIT_CELL(ref_cell->width, curr_cell.width);
ref_cell->xpos += curr_cell.width;
ref_cell->width -= curr_cell.width;
}
while (1) { /* loop until return */
RESYNC_BITSTREAM;
switch (code = get_bits(&ctx->gb, 2)) {
case H_SPLIT:
case V_SPLIT:
if (parse_bintree(ctx, avctx, plane, code, &curr_cell, depth - 1, strip_width))
return AVERROR_INVALIDDATA;
break;
case INTRA_NULL:
if (!curr_cell.tree) { /* MC tree INTRA code */
curr_cell.mv_ptr = 0; /* mark the current strip as INTRA */
curr_cell.tree = 1; /* enter the VQ tree */
} else { /* VQ tree NULL code */
RESYNC_BITSTREAM;
code = get_bits(&ctx->gb, 2);
if (code >= 2) {
av_log(avctx, AV_LOG_ERROR, "Invalid VQ_NULL code: %d\n", code);
return AVERROR_INVALIDDATA;
}
if (code == 1)
av_log(avctx, AV_LOG_ERROR, "SkipCell procedure not implemented yet!\n");
CHECK_CELL
copy_cell(ctx, plane, &curr_cell);
return 0;
}
break;
case INTER_DATA:
if (!curr_cell.tree) { /* MC tree INTER code */
/* get motion vector index and setup the pointer to the mv set */
if (!ctx->need_resync)
ctx->next_cell_data = &ctx->gb.buffer[(get_bits_count(&ctx->gb) + 7) >> 3];
curr_cell.mv_ptr = &ctx->mc_vectors[*(ctx->next_cell_data++) << 1];
curr_cell.tree = 1; /* enter the VQ tree */
UPDATE_BITPOS(8);
} else { /* VQ tree DATA code */
if (!ctx->need_resync)
ctx->next_cell_data = &ctx->gb.buffer[(get_bits_count(&ctx->gb) + 7) >> 3];
CHECK_CELL
bytes_used = decode_cell(ctx, avctx, plane, &curr_cell,
ctx->next_cell_data, ctx->last_byte);
if (bytes_used < 0)
return AVERROR_INVALIDDATA;
UPDATE_BITPOS(bytes_used << 3);
ctx->next_cell_data += bytes_used;
return 0;
}
break;
}
}//while
return 0;
}
| 2,088 |
FFmpeg | d676598f879ba01ddb62f9abe8e17b2e94cb91cd | 0 | int64_t swr_next_pts(struct SwrContext *s, int64_t pts){
if(pts == INT64_MIN)
return s->outpts;
if(s->min_compensation >= FLT_MAX) {
return (s->outpts = pts - swr_get_delay(s, s->in_sample_rate * (int64_t)s->out_sample_rate));
} else {
int64_t delta = pts - swr_get_delay(s, s->in_sample_rate * (int64_t)s->out_sample_rate) - s->outpts;
double fdelta = delta /(double)(s->in_sample_rate * (int64_t)s->out_sample_rate);
if(fabs(fdelta) > s->min_compensation) {
if(!s->outpts || fabs(fdelta) > s->min_hard_compensation){
int ret;
if(delta > 0) ret = swr_inject_silence(s, delta / s->out_sample_rate);
else ret = swr_drop_output (s, -delta / s-> in_sample_rate);
if(ret<0){
av_log(s, AV_LOG_ERROR, "Failed to compensate for timestamp delta of %f\n", fdelta);
}
} else if(s->soft_compensation_duration && s->max_soft_compensation) {
int duration = s->out_sample_rate * s->soft_compensation_duration;
double max_soft_compensation = s->max_soft_compensation / (s->max_soft_compensation < 0 ? -s->in_sample_rate : 1);
int comp = av_clipf(fdelta, -max_soft_compensation, max_soft_compensation) * duration ;
av_log(s, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n", fdelta, comp, duration);
swr_set_compensation(s, comp, duration);
}
}
return s->outpts;
}
}
| 2,089 |
FFmpeg | d4ec07dfe7dbc86e8f6403781c511b9463a526d2 | 0 | int av_utf8_decode(int32_t *codep, const uint8_t **bufp, const uint8_t *buf_end,
unsigned int flags)
{
const uint8_t *p = *bufp;
uint32_t top;
uint64_t code;
int ret = 0;
if (p >= buf_end)
return 0;
code = *p++;
/* first sequence byte starts with 10, or is 1111-1110 or 1111-1111,
which is not admitted */
if ((code & 0xc0) == 0x80 || code >= 0xFE) {
ret = AVERROR(EILSEQ);
goto end;
}
top = (code & 128) >> 1;
while (code & top) {
int tmp;
if (p >= buf_end) {
(*bufp) ++;
return AVERROR(EILSEQ); /* incomplete sequence */
}
/* we assume the byte to be in the form 10xx-xxxx */
tmp = *p++ - 128; /* strip leading 1 */
if (tmp>>6) {
(*bufp) ++;
return AVERROR(EILSEQ);
}
code = (code<<6) + tmp;
top <<= 5;
}
code &= (top << 1) - 1;
if (code >= 1<<31) {
ret = AVERROR(EILSEQ); /* out-of-range value */
goto end;
}
*codep = code;
if (code > 0x10FFFF &&
!(flags & AV_UTF8_FLAG_ACCEPT_INVALID_BIG_CODES))
ret = AVERROR(EILSEQ);
if (code < 0x20 && code != 0x9 && code != 0xA && code != 0xD &&
flags & AV_UTF8_FLAG_EXCLUDE_XML_INVALID_CONTROL_CODES)
ret = AVERROR(EILSEQ);
if (code >= 0xD800 && code <= 0xDFFF &&
!(flags & AV_UTF8_FLAG_ACCEPT_SURROGATES))
ret = AVERROR(EILSEQ);
if ((code == 0xFFFE || code == 0xFFFF) &&
!(flags & AV_UTF8_FLAG_ACCEPT_NON_CHARACTERS))
ret = AVERROR(EILSEQ);
end:
*bufp = p;
return ret;
}
| 2,090 |
FFmpeg | dd561441b1e849df7d8681c6f32af82d4088dafd | 0 | static av_always_inline av_flatten void h264_loop_filter_luma_intra_c(uint8_t *pix, int xstride, int ystride, int alpha, int beta)
{
int d;
for( d = 0; d < 16; d++ ) {
const int p2 = pix[-3*xstride];
const int p1 = pix[-2*xstride];
const int p0 = pix[-1*xstride];
const int q0 = pix[ 0*xstride];
const int q1 = pix[ 1*xstride];
const int q2 = pix[ 2*xstride];
if( FFABS( p0 - q0 ) < alpha &&
FFABS( p1 - p0 ) < beta &&
FFABS( q1 - q0 ) < beta ) {
if(FFABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){
if( FFABS( p2 - p0 ) < beta)
{
const int p3 = pix[-4*xstride];
/* p0', p1', p2' */
pix[-1*xstride] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3;
pix[-2*xstride] = ( p2 + p1 + p0 + q0 + 2 ) >> 2;
pix[-3*xstride] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3;
} else {
/* p0' */
pix[-1*xstride] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
}
if( FFABS( q2 - q0 ) < beta)
{
const int q3 = pix[3*xstride];
/* q0', q1', q2' */
pix[0*xstride] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3;
pix[1*xstride] = ( p0 + q0 + q1 + q2 + 2 ) >> 2;
pix[2*xstride] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3;
} else {
/* q0' */
pix[0*xstride] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
}
}else{
/* p0', q0' */
pix[-1*xstride] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
pix[ 0*xstride] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
}
}
pix += ystride;
}
}
| 2,092 |
qemu | 1e356fc14beaa3ece6c0e961bd479af58be3198b | 1 | static void sigbus_handler(int signal)
{
siglongjmp(sigjump, 1);
}
| 2,094 |
qemu | 089da572b956ef0f8f5b8d5917358e07892a77c2 | 1 | void fw_cfg_add_bytes(FWCfgState *s, uint16_t key, uint8_t *data, uint32_t len)
{
int arch = !!(key & FW_CFG_ARCH_LOCAL);
key &= FW_CFG_ENTRY_MASK;
assert(key < FW_CFG_MAX_ENTRY);
s->entries[arch][key].data = data;
s->entries[arch][key].len = len;
}
| 2,095 |
qemu | 4f298a4b2957b7833bc607c951ca27c458d98d88 | 1 | static void set_bmc_global_enables(IPMIBmcSim *ibs,
uint8_t *cmd, unsigned int cmd_len,
uint8_t *rsp, unsigned int *rsp_len,
unsigned int max_rsp_len)
{
IPMI_CHECK_CMD_LEN(3);
set_global_enables(ibs, cmd[2]);
}
| 2,096 |
FFmpeg | 98a0053d0f90e3309dc1038b1bae3a48bbd9067c | 1 | static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size,
int parse_extradata)
{
AVCodecContext *const avctx = h->avctx;
H264SliceContext *sl;
int buf_index;
unsigned context_count;
int next_avc;
int nals_needed = 0; ///< number of NALs that need decoding before the next frame thread starts
int nal_index;
int idr_cleared=0;
int ret = 0;
h->nal_unit_type= 0;
if(!h->slice_context_count)
h->slice_context_count= 1;
h->max_contexts = h->slice_context_count;
if (!(avctx->flags2 & AV_CODEC_FLAG2_CHUNKS)) {
h->current_slice = 0;
if (!h->first_field)
h->cur_pic_ptr = NULL;
ff_h264_reset_sei(h);
if (h->nal_length_size == 4) {
if (buf_size > 8 && AV_RB32(buf) == 1 && AV_RB32(buf+5) > (unsigned)buf_size) {
h->is_avc = 0;
}else if(buf_size > 3 && AV_RB32(buf) > 1 && AV_RB32(buf) <= (unsigned)buf_size)
h->is_avc = 1;
if (avctx->active_thread_type & FF_THREAD_FRAME)
nals_needed = get_last_needed_nal(h, buf, buf_size);
{
buf_index = 0;
context_count = 0;
next_avc = h->is_avc ? 0 : buf_size;
nal_index = 0;
for (;;) {
int consumed;
int dst_length;
int bit_length;
const uint8_t *ptr;
int nalsize = 0;
int err;
if (buf_index >= next_avc) {
nalsize = get_avc_nalsize(h, buf, buf_size, &buf_index);
if (nalsize < 0)
break;
next_avc = buf_index + nalsize;
} else {
buf_index = find_start_code(buf, buf_size, buf_index, next_avc);
if (buf_index >= buf_size)
break;
if (buf_index >= next_avc)
continue;
sl = &h->slice_ctx[context_count];
ptr = ff_h264_decode_nal(h, sl, buf + buf_index, &dst_length,
&consumed, next_avc - buf_index);
if (!ptr || dst_length < 0) {
ret = -1;
goto end;
bit_length = get_bit_length(h, buf, ptr, dst_length,
buf_index + consumed, next_avc);
if (h->avctx->debug & FF_DEBUG_STARTCODE)
av_log(h->avctx, AV_LOG_DEBUG,
"NAL %d/%d at %d/%d length %d\n",
h->nal_unit_type, h->nal_ref_idc, buf_index, buf_size, dst_length);
if (h->is_avc && (nalsize != consumed) && nalsize)
av_log(h->avctx, AV_LOG_DEBUG,
"AVC: Consumed only %d bytes instead of %d\n",
consumed, nalsize);
buf_index += consumed;
nal_index++;
if (avctx->skip_frame >= AVDISCARD_NONREF &&
h->nal_ref_idc == 0 &&
h->nal_unit_type != NAL_SEI)
continue;
again:
/* Ignore per frame NAL unit type during extradata
* parsing. Decoding slices is not possible in codec init
* with frame-mt */
if (parse_extradata) {
switch (h->nal_unit_type) {
case NAL_IDR_SLICE:
case NAL_SLICE:
case NAL_DPA:
case NAL_DPB:
case NAL_DPC:
av_log(h->avctx, AV_LOG_WARNING,
"Ignoring NAL %d in global header/extradata\n",
h->nal_unit_type);
// fall through to next case
case NAL_AUXILIARY_SLICE:
h->nal_unit_type = NAL_FF_IGNORE;
err = 0;
switch (h->nal_unit_type) {
case NAL_IDR_SLICE:
if ((ptr[0] & 0xFC) == 0x98) {
av_log(h->avctx, AV_LOG_ERROR, "Invalid inter IDR frame\n");
h->next_outputed_poc = INT_MIN;
ret = -1;
goto end;
if (h->nal_unit_type != NAL_IDR_SLICE) {
av_log(h->avctx, AV_LOG_ERROR,
"Invalid mix of idr and non-idr slices\n");
ret = -1;
goto end;
if(!idr_cleared) {
if (h->current_slice && (avctx->active_thread_type & FF_THREAD_SLICE)) {
av_log(h, AV_LOG_ERROR, "invalid mixed IDR / non IDR frames cannot be decoded in slice multithreading mode\n");
ret = AVERROR_INVALIDDATA;
goto end;
idr(h); // FIXME ensure we don't lose some frames if there is reordering
idr_cleared = 1;
h->has_recovery_point = 1;
case NAL_SLICE:
init_get_bits(&sl->gb, ptr, bit_length);
if ( nals_needed >= nal_index
|| (!(avctx->active_thread_type & FF_THREAD_FRAME) && !context_count))
h->au_pps_id = -1;
if ((err = ff_h264_decode_slice_header(h, sl)))
break;
if (h->sei_recovery_frame_cnt >= 0) {
if (h->frame_num != h->sei_recovery_frame_cnt || sl->slice_type_nos != AV_PICTURE_TYPE_I)
h->valid_recovery_point = 1;
if ( h->recovery_frame < 0
|| av_mod_uintp2(h->recovery_frame - h->frame_num, h->sps.log2_max_frame_num) > h->sei_recovery_frame_cnt) {
h->recovery_frame = av_mod_uintp2(h->frame_num + h->sei_recovery_frame_cnt, h->sps.log2_max_frame_num);
if (!h->valid_recovery_point)
h->recovery_frame = h->frame_num;
h->cur_pic_ptr->f->key_frame |=
(h->nal_unit_type == NAL_IDR_SLICE);
if (h->nal_unit_type == NAL_IDR_SLICE ||
h->recovery_frame == h->frame_num) {
h->recovery_frame = -1;
h->cur_pic_ptr->recovered = 1;
// If we have an IDR, all frames after it in decoded order are
// "recovered".
if (h->nal_unit_type == NAL_IDR_SLICE)
h->frame_recovered |= FRAME_RECOVERED_IDR;
#if 1
h->cur_pic_ptr->recovered |= h->frame_recovered;
#else
h->cur_pic_ptr->recovered |= !!(h->frame_recovered & FRAME_RECOVERED_IDR);
#endif
if (h->current_slice == 1) {
if (!(avctx->flags2 & AV_CODEC_FLAG2_CHUNKS))
decode_postinit(h, nal_index >= nals_needed);
if (h->avctx->hwaccel &&
(ret = h->avctx->hwaccel->start_frame(h->avctx, buf, buf_size)) < 0)
goto end;
#if FF_API_CAP_VDPAU
if (CONFIG_H264_VDPAU_DECODER &&
h->avctx->codec->capabilities & AV_CODEC_CAP_HWACCEL_VDPAU)
ff_vdpau_h264_picture_start(h);
#endif
if (sl->redundant_pic_count == 0) {
if (avctx->hwaccel) {
ret = avctx->hwaccel->decode_slice(avctx,
&buf[buf_index - consumed],
consumed);
if (ret < 0)
goto end;
#if FF_API_CAP_VDPAU
} else if (CONFIG_H264_VDPAU_DECODER &&
h->avctx->codec->capabilities & AV_CODEC_CAP_HWACCEL_VDPAU) {
ff_vdpau_add_data_chunk(h->cur_pic_ptr->f->data[0],
start_code,
sizeof(start_code));
ff_vdpau_add_data_chunk(h->cur_pic_ptr->f->data[0],
&buf[buf_index - consumed],
consumed);
#endif
context_count++;
break;
case NAL_DPA:
case NAL_DPB:
case NAL_DPC:
avpriv_request_sample(avctx, "data partitioning");
break;
case NAL_SEI:
init_get_bits(&h->gb, ptr, bit_length);
ret = ff_h264_decode_sei(h);
if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
goto end;
break;
case NAL_SPS:
init_get_bits(&h->gb, ptr, bit_length);
if (ff_h264_decode_seq_parameter_set(h, 0) >= 0)
break;
if (h->is_avc ? nalsize : 1) {
av_log(h->avctx, AV_LOG_DEBUG,
"SPS decoding failure, trying again with the complete NAL\n");
if (h->is_avc)
av_assert0(next_avc - buf_index + consumed == nalsize);
if ((next_avc - buf_index + consumed - 1) >= INT_MAX/8)
break;
init_get_bits(&h->gb, &buf[buf_index + 1 - consumed],
8*(next_avc - buf_index + consumed - 1));
if (ff_h264_decode_seq_parameter_set(h, 0) >= 0)
break;
init_get_bits(&h->gb, ptr, bit_length);
ff_h264_decode_seq_parameter_set(h, 1);
break;
case NAL_PPS:
init_get_bits(&h->gb, ptr, bit_length);
ret = ff_h264_decode_picture_parameter_set(h, bit_length);
if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
goto end;
break;
case NAL_AUD:
case NAL_END_SEQUENCE:
case NAL_END_STREAM:
case NAL_FILLER_DATA:
case NAL_SPS_EXT:
case NAL_AUXILIARY_SLICE:
break;
case NAL_FF_IGNORE:
break;
default:
av_log(avctx, AV_LOG_DEBUG, "Unknown NAL code: %d (%d bits)\n",
h->nal_unit_type, bit_length);
if (context_count == h->max_contexts) {
ret = ff_h264_execute_decode_slices(h, context_count);
if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
goto end;
context_count = 0;
if (err < 0 || err == SLICE_SKIPED) {
if (err < 0)
av_log(h->avctx, AV_LOG_ERROR, "decode_slice_header error\n");
sl->ref_count[0] = sl->ref_count[1] = sl->list_count = 0;
} else if (err == SLICE_SINGLETHREAD) {
if (context_count > 1) {
ret = ff_h264_execute_decode_slices(h, context_count - 1);
if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
goto end;
context_count = 0;
/* Slice could not be decoded in parallel mode, restart. Note
* that rbsp_buffer is not transferred, but since we no longer
* run in parallel mode this should not be an issue. */
sl = &h->slice_ctx[0];
goto again;
if (context_count) {
ret = ff_h264_execute_decode_slices(h, context_count);
if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
goto end;
ret = 0;
end:
/* clean up */
if (h->cur_pic_ptr && !h->droppable) {
ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
h->picture_structure == PICT_BOTTOM_FIELD);
return (ret < 0) ? ret : buf_index; | 2,097 |
qemu | 10f12e6450407b18b4d5a6b50d3852dcfd7fff75 | 1 | int spapr_h_cas_compose_response(sPAPRMachineState *spapr,
target_ulong addr, target_ulong size,
sPAPROptionVector *ov5_updates)
{
void *fdt, *fdt_skel;
sPAPRDeviceTreeUpdateHeader hdr = { .version_id = 1 };
size -= sizeof(hdr);
/* Create sceleton */
fdt_skel = g_malloc0(size);
_FDT((fdt_create(fdt_skel, size)));
_FDT((fdt_begin_node(fdt_skel, "")));
_FDT((fdt_end_node(fdt_skel)));
_FDT((fdt_finish(fdt_skel)));
fdt = g_malloc0(size);
_FDT((fdt_open_into(fdt_skel, fdt, size)));
g_free(fdt_skel);
/* Fixup cpu nodes */
_FDT((spapr_fixup_cpu_dt(fdt, spapr)));
if (spapr_dt_cas_updates(spapr, fdt, ov5_updates)) {
return -1;
}
/* Pack resulting tree */
_FDT((fdt_pack(fdt)));
if (fdt_totalsize(fdt) + sizeof(hdr) > size) {
trace_spapr_cas_failed(size);
return -1;
}
cpu_physical_memory_write(addr, &hdr, sizeof(hdr));
cpu_physical_memory_write(addr + sizeof(hdr), fdt, fdt_totalsize(fdt));
trace_spapr_cas_continue(fdt_totalsize(fdt) + sizeof(hdr));
g_free(fdt);
return 0;
}
| 2,098 |
FFmpeg | 7e240f95818310ed721321e62130aa1c69f9cbe6 | 1 | static MatroskaLevel1Element *matroska_find_level1_elem(MatroskaDemuxContext *matroska,
uint32_t id)
{
int i;
MatroskaLevel1Element *elem;
// Some files link to all clusters; useless.
if (id == MATROSKA_ID_CLUSTER)
// There can be multiple seekheads.
if (id != MATROSKA_ID_SEEKHEAD) {
for (i = 0; i < matroska->num_level1_elems; i++) {
if (matroska->level1_elems[i].id == id)
return &matroska->level1_elems[i];
}
}
// Only a completely broken file would have more elements.
// It also provides a low-effort way to escape from circular seekheads
// (every iteration will add a level1 entry).
if (matroska->num_level1_elems >= FF_ARRAY_ELEMS(matroska->level1_elems)) {
av_log(matroska->ctx, AV_LOG_ERROR, "Too many level1 elements or circular seekheads.\n");
}
elem = &matroska->level1_elems[matroska->num_level1_elems++];
*elem = (MatroskaLevel1Element){.id = id};
return elem;
} | 2,099 |
qemu | 72f0d0bf51362011c4d841a89fb8f5cfb16e0bf3 | 1 | static int mp_dacl_removexattr(FsContext *ctx,
const char *path, const char *name)
{
int ret;
char *buffer;
buffer = rpath(ctx, path);
ret = lremovexattr(buffer, MAP_ACL_DEFAULT);
if (ret == -1 && errno == ENODATA) {
/*
* We don't get ENODATA error when trying to remove a
* posix acl that is not present. So don't throw the error
* even in case of mapped security model
*/
errno = 0;
ret = 0;
}
g_free(buffer);
return ret;
}
| 2,100 |
qemu | af7e9e74c6a62a5bcd911726a9e88d28b61490e0 | 1 | static void IRQ_local_pipe(OpenPICState *opp, int n_CPU, int n_IRQ)
{
IRQ_dst_t *dst;
IRQ_src_t *src;
int priority;
dst = &opp->dst[n_CPU];
src = &opp->src[n_IRQ];
priority = IPVP_PRIORITY(src->ipvp);
if (priority <= dst->pctp) {
/* Too low priority */
DPRINTF("%s: IRQ %d has too low priority on CPU %d\n",
__func__, n_IRQ, n_CPU);
return;
}
if (IRQ_testbit(&dst->raised, n_IRQ)) {
/* Interrupt miss */
DPRINTF("%s: IRQ %d was missed on CPU %d\n",
__func__, n_IRQ, n_CPU);
return;
}
src->ipvp |= IPVP_ACTIVITY_MASK;
IRQ_setbit(&dst->raised, n_IRQ);
if (priority < dst->raised.priority) {
/* An higher priority IRQ is already raised */
DPRINTF("%s: IRQ %d is hidden by raised IRQ %d on CPU %d\n",
__func__, n_IRQ, dst->raised.next, n_CPU);
return;
}
IRQ_get_next(opp, &dst->raised);
if (IRQ_get_next(opp, &dst->servicing) != -1 &&
priority <= dst->servicing.priority) {
DPRINTF("%s: IRQ %d is hidden by servicing IRQ %d on CPU %d\n",
__func__, n_IRQ, dst->servicing.next, n_CPU);
/* Already servicing a higher priority IRQ */
return;
}
DPRINTF("Raise OpenPIC INT output cpu %d irq %d\n", n_CPU, n_IRQ);
openpic_irq_raise(opp, n_CPU, src);
}
| 2,101 |
qemu | d35ff5e6b3aa3a706b0aa3bcf11400fac945b67a | 1 | static void process_incoming_migration_bh(void *opaque)
{
Error *local_err = NULL;
MigrationIncomingState *mis = opaque;
/* Make sure all file formats flush their mutable metadata */
bdrv_invalidate_cache_all(&local_err);
migrate_set_state(&mis->state, MIGRATION_STATUS_ACTIVE,
MIGRATION_STATUS_FAILED);
error_report_err(local_err);
migrate_decompress_threads_join();
exit(EXIT_FAILURE);
/*
* This must happen after all error conditions are dealt with and
* we're sure the VM is going to be running on this host.
*/
qemu_announce_self();
/* If global state section was not received or we are in running
state, we need to obey autostart. Any other state is set with
runstate_set. */
if (!global_state_received() ||
global_state_get_runstate() == RUN_STATE_RUNNING) {
if (autostart) {
vm_start();
} else {
runstate_set(RUN_STATE_PAUSED);
} else {
runstate_set(global_state_get_runstate());
migrate_decompress_threads_join();
/*
* This must happen after any state changes since as soon as an external
* observer sees this event they might start to prod at the VM assuming
* it's ready to use.
*/
migrate_set_state(&mis->state, MIGRATION_STATUS_ACTIVE,
MIGRATION_STATUS_COMPLETED);
qemu_bh_delete(mis->bh);
migration_incoming_state_destroy(); | 2,102 |
FFmpeg | 478f1c3d5e5463a284ea7efecfc62d47ba3be11a | 1 | static int decode_phys_chunk(AVCodecContext *avctx, PNGDecContext *s)
{
if (s->state & PNG_IDAT) {
av_log(avctx, AV_LOG_ERROR, "pHYs after IDAT\n");
return AVERROR_INVALIDDATA;
}
avctx->sample_aspect_ratio.num = bytestream2_get_be32(&s->gb);
avctx->sample_aspect_ratio.den = bytestream2_get_be32(&s->gb);
if (avctx->sample_aspect_ratio.num < 0 || avctx->sample_aspect_ratio.den < 0)
avctx->sample_aspect_ratio = (AVRational){ 0, 1 };
bytestream2_skip(&s->gb, 1); /* unit specifier */
bytestream2_skip(&s->gb, 4); /* crc */
return 0;
}
| 2,103 |
qemu | 1108b2f8a939fb5778d384149e2f1b99062a72da | 1 | static int xio3130_downstream_initfn(PCIDevice *d)
{
PCIEPort *p = PCIE_PORT(d);
PCIESlot *s = PCIE_SLOT(d);
int rc;
pci_bridge_initfn(d, TYPE_PCIE_BUS);
pcie_port_init_reg(d);
rc = msi_init(d, XIO3130_MSI_OFFSET, XIO3130_MSI_NR_VECTOR,
XIO3130_MSI_SUPPORTED_FLAGS & PCI_MSI_FLAGS_64BIT,
XIO3130_MSI_SUPPORTED_FLAGS & PCI_MSI_FLAGS_MASKBIT);
if (rc < 0) {
goto err_bridge;
}
rc = pci_bridge_ssvid_init(d, XIO3130_SSVID_OFFSET,
XIO3130_SSVID_SVID, XIO3130_SSVID_SSID);
if (rc < 0) {
goto err_bridge;
}
rc = pcie_cap_init(d, XIO3130_EXP_OFFSET, PCI_EXP_TYPE_DOWNSTREAM,
p->port);
if (rc < 0) {
goto err_msi;
}
pcie_cap_flr_init(d);
pcie_cap_deverr_init(d);
pcie_cap_slot_init(d, s->slot);
pcie_cap_arifwd_init(d);
pcie_chassis_create(s->chassis);
rc = pcie_chassis_add_slot(s);
if (rc < 0) {
goto err_pcie_cap;
}
rc = pcie_aer_init(d, XIO3130_AER_OFFSET, PCI_ERR_SIZEOF);
if (rc < 0) {
goto err;
}
return 0;
err:
pcie_chassis_del_slot(s);
err_pcie_cap:
pcie_cap_exit(d);
err_msi:
msi_uninit(d);
err_bridge:
pci_bridge_exitfn(d);
return rc;
}
| 2,104 |
FFmpeg | 3fa9692ae2324b8fcc1a8aa47b9a75826740b32e | 0 | static av_cold int hevc_decode_free(AVCodecContext *avctx)
{
HEVCContext *s = avctx->priv_data;
HEVCLocalContext *lc = s->HEVClc;
int i;
pic_arrays_free(s);
av_freep(&s->md5_ctx);
for(i=0; i < s->nals_allocated; i++) {
av_freep(&s->skipped_bytes_pos_nal[i]);
}
av_freep(&s->skipped_bytes_pos_size_nal);
av_freep(&s->skipped_bytes_nal);
av_freep(&s->skipped_bytes_pos_nal);
av_freep(&s->cabac_state);
av_frame_free(&s->tmp_frame);
av_frame_free(&s->output_frame);
for (i = 0; i < FF_ARRAY_ELEMS(s->DPB); i++) {
ff_hevc_unref_frame(s, &s->DPB[i], ~0);
av_frame_free(&s->DPB[i].frame);
}
for (i = 0; i < FF_ARRAY_ELEMS(s->vps_list); i++)
av_buffer_unref(&s->vps_list[i]);
for (i = 0; i < FF_ARRAY_ELEMS(s->sps_list); i++)
av_buffer_unref(&s->sps_list[i]);
for (i = 0; i < FF_ARRAY_ELEMS(s->pps_list); i++)
av_buffer_unref(&s->pps_list[i]);
s->sps = NULL;
s->pps = NULL;
s->vps = NULL;
av_buffer_unref(&s->current_sps);
av_freep(&s->sh.entry_point_offset);
av_freep(&s->sh.offset);
av_freep(&s->sh.size);
for (i = 1; i < s->threads_number; i++) {
lc = s->HEVClcList[i];
if (lc) {
av_freep(&s->HEVClcList[i]);
av_freep(&s->sList[i]);
}
}
if (s->HEVClc == s->HEVClcList[0])
s->HEVClc = NULL;
av_freep(&s->HEVClcList[0]);
for (i = 0; i < s->nals_allocated; i++)
av_freep(&s->nals[i].rbsp_buffer);
av_freep(&s->nals);
s->nals_allocated = 0;
return 0;
}
| 2,105 |
FFmpeg | cf1e0786ed64e69614760bfb4ecd7adbde8e6094 | 0 | static av_cold int dct_init(MpegEncContext *s)
{
ff_blockdsp_init(&s->bdsp, s->avctx);
ff_hpeldsp_init(&s->hdsp, s->avctx->flags);
ff_me_cmp_init(&s->mecc, s->avctx);
ff_mpegvideodsp_init(&s->mdsp);
ff_videodsp_init(&s->vdsp, s->avctx->bits_per_raw_sample);
s->dct_unquantize_h263_intra = dct_unquantize_h263_intra_c;
s->dct_unquantize_h263_inter = dct_unquantize_h263_inter_c;
s->dct_unquantize_mpeg1_intra = dct_unquantize_mpeg1_intra_c;
s->dct_unquantize_mpeg1_inter = dct_unquantize_mpeg1_inter_c;
s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_c;
if (s->flags & CODEC_FLAG_BITEXACT)
s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_bitexact;
s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_c;
if (HAVE_INTRINSICS_NEON)
ff_mpv_common_init_neon(s);
if (ARCH_ARM)
ff_mpv_common_init_arm(s);
if (ARCH_PPC)
ff_mpv_common_init_ppc(s);
if (ARCH_X86)
ff_mpv_common_init_x86(s);
return 0;
}
| 2,106 |
FFmpeg | 3ebc7e04dea6072400d91c1c90eb3911754cee06 | 0 | static void filter_mb_edgeh( H264Context *h, uint8_t *pix, int stride, int bS[4], int qp ) {
int i, d;
const int index_a = clip( qp + h->slice_alpha_c0_offset, 0, 51 );
const int alpha = alpha_table[index_a];
const int beta = beta_table[clip( qp + h->slice_beta_offset, 0, 51 )];
const int pix_next = stride;
for( i = 0; i < 4; i++ ) {
if( bS[i] == 0 ) {
pix += 4;
continue;
}
/* 4px edge length */
for( d = 0; d < 4; d++ ) {
const uint8_t p0 = pix[-1*pix_next];
const uint8_t p1 = pix[-2*pix_next];
const uint8_t p2 = pix[-3*pix_next];
const uint8_t q0 = pix[0];
const uint8_t q1 = pix[1*pix_next];
const uint8_t q2 = pix[2*pix_next];
if( abs( p0 - q0 ) >= alpha ||
abs( p1 - p0 ) >= beta ||
abs( q1 - q0 ) >= beta ) {
pix++;
continue;
}
if( bS[i] < 4 ) {
const int tc0 = tc0_table[index_a][bS[i] - 1];
int tc = tc0;
int i_delta;
if( abs( p2 - p0 ) < beta ) {
pix[-2*pix_next] = p1 + clip( ( p2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( p1 << 1 ) ) >> 1, -tc0, tc0 );
tc++;
}
if( abs( q2 - q0 ) < beta ) {
pix[pix_next] = q1 + clip( ( q2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( q1 << 1 ) ) >> 1, -tc0, tc0 );
tc++;
}
i_delta = clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
pix[-pix_next] = clip( p0 + i_delta, 0, 255 ); /* p0' */
pix[0] = clip( q0 - i_delta, 0, 255 ); /* q0' */
}
else
{
const uint8_t p3 = pix[-4*pix_next];
const uint8_t q3 = pix[ 3*pix_next];
const int c = abs( p0 - q0 ) < (( alpha >> 2 ) + 2 );
if( abs( p2 - p0 ) < beta && c ) {
/* p0', p1', p2' */
pix[-1*pix_next] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3;
pix[-2*pix_next] = ( p2 + p1 + p0 + q0 + 2 ) >> 2;
pix[-3*pix_next] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3;
} else {
/* p0' */
pix[-1*pix_next] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
}
if( abs( q2 - q0 ) < beta && c ) {
/* q0', q1', q2' */
pix[0*pix_next] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3;
pix[1*pix_next] = ( p0 + q0 + q1 + q2 + 2 ) >> 2;
pix[2*pix_next] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3;
} else {
/* q0' */
pix[0*pix_next] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
}
}
pix++;
}
}
}
| 2,107 |
FFmpeg | 5b349c8d7cc5dd26b3fbbce6e3883ce02861eeb7 | 0 | static void aflat(WaveformContext *s, AVFrame *in, AVFrame *out,
int component, int intensity, int offset, int column)
{
const int plane = s->desc->comp[component].plane;
const int mirror = s->mirror;
const int c0_linesize = in->linesize[ plane + 0 ];
const int c1_linesize = in->linesize[(plane + 1) % s->ncomp];
const int c2_linesize = in->linesize[(plane + 2) % s->ncomp];
const int d0_linesize = out->linesize[ plane + 0 ];
const int d1_linesize = out->linesize[(plane + 1) % s->ncomp];
const int d2_linesize = out->linesize[(plane + 2) % s->ncomp];
const int max = 255 - intensity;
const int src_h = in->height;
const int src_w = in->width;
int x, y;
if (column) {
const int d0_signed_linesize = d0_linesize * (mirror == 1 ? -1 : 1);
const int d1_signed_linesize = d1_linesize * (mirror == 1 ? -1 : 1);
const int d2_signed_linesize = d2_linesize * (mirror == 1 ? -1 : 1);
for (x = 0; x < src_w; x++) {
const uint8_t *c0_data = in->data[plane + 0];
const uint8_t *c1_data = in->data[(plane + 1) % s->ncomp];
const uint8_t *c2_data = in->data[(plane + 2) % s->ncomp];
uint8_t *d0_data = out->data[plane] + offset * d0_linesize;
uint8_t *d1_data = out->data[(plane + 1) % s->ncomp] + offset * d1_linesize;
uint8_t *d2_data = out->data[(plane + 2) % s->ncomp] + offset * d2_linesize;
uint8_t * const d0_bottom_line = d0_data + d0_linesize * (s->size - 1);
uint8_t * const d0 = (mirror ? d0_bottom_line : d0_data);
uint8_t * const d1_bottom_line = d1_data + d1_linesize * (s->size - 1);
uint8_t * const d1 = (mirror ? d1_bottom_line : d1_data);
uint8_t * const d2_bottom_line = d2_data + d2_linesize * (s->size - 1);
uint8_t * const d2 = (mirror ? d2_bottom_line : d2_data);
for (y = 0; y < src_h; y++) {
const int c0 = c0_data[x] + 128;
const int c1 = c1_data[x] - 128;
const int c2 = c2_data[x] - 128;
uint8_t *target;
int p;
target = d0 + x + d0_signed_linesize * c0;
update(target, max, intensity);
for (p = c0 + c1; p < c0; p++) {
target = d1 + x + d1_signed_linesize * p;
update(target, max, 1);
}
for (p = c0 + c1 - 1; p > c0; p--) {
target = d1 + x + d1_signed_linesize * p;
update(target, max, 1);
}
for (p = c0 + c2; p < c0; p++) {
target = d2 + x + d2_signed_linesize * p;
update(target, max, 1);
}
for (p = c0 + c2 - 1; p > c0; p--) {
target = d2 + x + d2_signed_linesize * p;
update(target, max, 1);
}
c0_data += c0_linesize;
c1_data += c1_linesize;
c2_data += c2_linesize;
d0_data += d0_linesize;
d1_data += d1_linesize;
d2_data += d2_linesize;
}
}
} else {
const uint8_t *c0_data = in->data[plane];
const uint8_t *c1_data = in->data[(plane + 1) % s->ncomp];
const uint8_t *c2_data = in->data[(plane + 2) % s->ncomp];
uint8_t *d0_data = out->data[plane] + offset;
uint8_t *d1_data = out->data[(plane + 1) % s->ncomp] + offset;
uint8_t *d2_data = out->data[(plane + 2) % s->ncomp] + offset;
if (mirror) {
d0_data += s->size - 1;
d1_data += s->size - 1;
d2_data += s->size - 1;
}
for (y = 0; y < src_h; y++) {
for (x = 0; x < src_w; x++) {
const int c0 = c0_data[x] + 128;
const int c1 = c1_data[x] - 128;
const int c2 = c2_data[x] - 128;
uint8_t *target;
int p;
if (mirror)
target = d0_data - c0;
else
target = d0_data + c0;
update(target, max, intensity);
for (p = c0 + c1; p < c0; p++) {
if (mirror)
target = d1_data - p;
else
target = d1_data + p;
update(target, max, 1);
}
for (p = c0 + 1; p < c0 + c1; p++) {
if (mirror)
target = d1_data - p;
else
target = d1_data + p;
update(target, max, 1);
}
for (p = c0 + c2; p < c0; p++) {
if (mirror)
target = d2_data - p;
else
target = d2_data + p;
update(target, max, 1);
}
for (p = c0 + 1; p < c0 + c2; p++) {
if (mirror)
target = d2_data - p;
else
target = d2_data + p;
update(target, max, 1);
}
}
c0_data += c0_linesize;
c1_data += c1_linesize;
c2_data += c2_linesize;
d0_data += d0_linesize;
d1_data += d1_linesize;
d2_data += d2_linesize;
}
}
envelope(s, out, plane, (plane + 0) % s->ncomp);
envelope(s, out, plane, (plane + 1) % s->ncomp);
envelope(s, out, plane, (plane + 2) % s->ncomp);
}
| 2,108 |
FFmpeg | f41e37b84f3d57c29d4a2a21f9337159135b981d | 0 | int ff_dirac_golomb_read_32bit(DiracGolombLUT *lut_ctx, const uint8_t *buf,
int bytes, uint8_t *_dst, int coeffs)
{
int i, b, c_idx = 0;
int32_t *dst = (int32_t *)_dst;
DiracGolombLUT *future[4], *l = &lut_ctx[2*LUT_SIZE + buf[0]];
INIT_RESIDUE(res);
for (b = 1; b <= bytes; b++) {
future[0] = &lut_ctx[buf[b]];
future[1] = future[0] + 1*LUT_SIZE;
future[2] = future[0] + 2*LUT_SIZE;
future[3] = future[0] + 3*LUT_SIZE;
if ((c_idx + 1) > coeffs)
return c_idx;
/* res_bits is a hint for better branch prediction */
if (res_bits && l->sign) {
int32_t coeff = 1;
APPEND_RESIDUE(res, l->preamble);
for (i = 0; i < (res_bits >> 1) - 1; i++) {
coeff <<= 1;
coeff |= (res >> (RSIZE_BITS - 2*i - 2)) & 1;
}
dst[c_idx++] = l->sign * (coeff - 1);
SET_RESIDUE(res, 0, 0);
}
memcpy(&dst[c_idx], l->ready, LUT_BITS*sizeof(int32_t));
c_idx += l->ready_num;
APPEND_RESIDUE(res, l->leftover);
l = future[l->need_s ? 3 : !res_bits ? 2 : res_bits & 1];
}
return c_idx;
}
| 2,109 |
FFmpeg | 9c661e952fbcbf044709f9a7031c68cc4860336b | 1 | static int decode_i_frame(FourXContext *f, const uint8_t *buf, int length){
int x, y;
const int width= f->avctx->width;
const int height= f->avctx->height;
uint16_t *dst= (uint16_t*)f->current_picture.data[0];
const int stride= f->current_picture.linesize[0]>>1;
const unsigned int bitstream_size= AV_RL32(buf);
const int token_count av_unused = AV_RL32(buf + bitstream_size + 8);
unsigned int prestream_size= 4*AV_RL32(buf + bitstream_size + 4);
const uint8_t *prestream= buf + bitstream_size + 12;
if(prestream_size + bitstream_size + 12 != length
|| bitstream_size > (1<<26)
|| prestream_size > (1<<26)){
av_log(f->avctx, AV_LOG_ERROR, "size mismatch %d %d %d\n", prestream_size, bitstream_size, length);
return -1;
}
prestream= read_huffman_tables(f, prestream);
init_get_bits(&f->gb, buf + 4, 8*bitstream_size);
prestream_size= length + buf - prestream;
av_fast_malloc(&f->bitstream_buffer, &f->bitstream_buffer_size, prestream_size + FF_INPUT_BUFFER_PADDING_SIZE);
if (!f->bitstream_buffer)
return AVERROR(ENOMEM);
f->dsp.bswap_buf(f->bitstream_buffer, (const uint32_t*)prestream, prestream_size/4);
memset((uint8_t*)f->bitstream_buffer + prestream_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
init_get_bits(&f->pre_gb, f->bitstream_buffer, 8*prestream_size);
f->last_dc= 0*128*8*8;
for(y=0; y<height; y+=16){
for(x=0; x<width; x+=16){
if(decode_i_mb(f) < 0)
return -1;
idct_put(f, x, y);
}
dst += 16*stride;
}
if(get_vlc2(&f->pre_gb, f->pre_vlc.table, ACDC_VLC_BITS, 3) != 256)
av_log(f->avctx, AV_LOG_ERROR, "end mismatch\n");
return 0;
}
| 2,111 |
qemu | 4c3b22459d3589cf84d1ccadc6b09e586497820d | 1 | static int pci_pcnet_init(PCIDevice *pci_dev)
{
PCIPCNetState *d = PCI_PCNET(pci_dev);
PCNetState *s = &d->state;
uint8_t *pci_conf;
#if 0
printf("sizeof(RMD)=%d, sizeof(TMD)=%d\n",
sizeof(struct pcnet_RMD), sizeof(struct pcnet_TMD));
#endif
pci_conf = pci_dev->config;
pci_set_word(pci_conf + PCI_STATUS,
PCI_STATUS_FAST_BACK | PCI_STATUS_DEVSEL_MEDIUM);
pci_set_word(pci_conf + PCI_SUBSYSTEM_VENDOR_ID, 0x0);
pci_set_word(pci_conf + PCI_SUBSYSTEM_ID, 0x0);
pci_conf[PCI_INTERRUPT_PIN] = 1; /* interrupt pin A */
pci_conf[PCI_MIN_GNT] = 0x06;
pci_conf[PCI_MAX_LAT] = 0xff;
/* Handler for memory-mapped I/O */
memory_region_init_io(&d->state.mmio, OBJECT(d), &pcnet_mmio_ops, s,
"pcnet-mmio", PCNET_PNPMMIO_SIZE);
memory_region_init_io(&d->io_bar, OBJECT(d), &pcnet_io_ops, s, "pcnet-io",
PCNET_IOPORT_SIZE);
pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &d->io_bar);
pci_register_bar(pci_dev, 1, 0, &s->mmio);
s->irq = pci_allocate_irq(pci_dev);
s->phys_mem_read = pci_physical_memory_read;
s->phys_mem_write = pci_physical_memory_write;
s->dma_opaque = pci_dev;
return pcnet_common_init(DEVICE(pci_dev), s, &net_pci_pcnet_info);
}
| 2,112 |
qemu | 2ee73ac3a855fb0cfba3db91fdd1ecebdbc6f971 | 1 | void OPPROTO op_fdiv_STN_ST0(void)
{
ST(PARAM1) /= ST0;
}
| 2,113 |
FFmpeg | 0dcac9c3f0f8f32009098edb704fac4b08bac951 | 1 | static int open_file(AVFormatContext *avf, unsigned fileno)
{
ConcatContext *cat = avf->priv_data;
ConcatFile *file = &cat->files[fileno];
int ret;
if (cat->avf)
avformat_close_input(&cat->avf);
cat->avf = avformat_alloc_context();
if (!cat->avf)
return AVERROR(ENOMEM);
cat->avf->flags |= avf->flags;
cat->avf->interrupt_callback = avf->interrupt_callback;
if ((ret = ff_copy_whiteblacklists(cat->avf, avf)) < 0)
return ret;
if ((ret = avformat_open_input(&cat->avf, file->url, NULL, NULL)) < 0 ||
(ret = avformat_find_stream_info(cat->avf, NULL)) < 0) {
av_log(avf, AV_LOG_ERROR, "Impossible to open '%s'\n", file->url);
avformat_close_input(&cat->avf);
return ret;
}
cat->cur_file = file;
if (file->start_time == AV_NOPTS_VALUE)
file->start_time = !fileno ? 0 :
cat->files[fileno - 1].start_time +
cat->files[fileno - 1].duration;
file->file_start_time = (cat->avf->start_time == AV_NOPTS_VALUE) ? 0 : cat->avf->start_time;
file->file_inpoint = (file->inpoint == AV_NOPTS_VALUE) ? file->file_start_time : file->inpoint;
if (file->duration == AV_NOPTS_VALUE && file->outpoint != AV_NOPTS_VALUE)
file->duration = file->outpoint - file->file_inpoint;
if (cat->segment_time_metadata) {
av_dict_set_int(&file->metadata, "lavf.concatdec.start_time", file->start_time, 0);
if (file->duration != AV_NOPTS_VALUE)
av_dict_set_int(&file->metadata, "lavf.concatdec.duration", file->duration, 0);
}
if ((ret = match_streams(avf)) < 0)
return ret;
if (file->inpoint != AV_NOPTS_VALUE) {
if ((ret = avformat_seek_file(cat->avf, -1, INT64_MIN, file->inpoint, file->inpoint, 0)) < 0)
return ret;
}
return 0;
}
| 2,114 |
qemu | 5839e53bbc0fec56021d758aab7610df421ed8c8 | 1 | BlockDirtyInfoList *bdrv_query_dirty_bitmaps(BlockDriverState *bs)
{
BdrvDirtyBitmap *bm;
BlockDirtyInfoList *list = NULL;
BlockDirtyInfoList **plist = &list;
QLIST_FOREACH(bm, &bs->dirty_bitmaps, list) {
BlockDirtyInfo *info = g_malloc0(sizeof(BlockDirtyInfo));
BlockDirtyInfoList *entry = g_malloc0(sizeof(BlockDirtyInfoList));
info->count = bdrv_get_dirty_count(bs, bm);
info->granularity =
((int64_t) BDRV_SECTOR_SIZE << hbitmap_granularity(bm->bitmap));
entry->value = info;
*plist = entry;
plist = &entry->next;
}
return list;
}
| 2,116 |
qemu | d3002b0463727bf8110833b9d1a6efaa28990c28 | 1 | void register_displaychangelistener(DisplayChangeListener *dcl)
{
QemuConsole *con;
trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
dcl->ds = get_alloc_displaystate();
QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
gui_setup_refresh(dcl->ds);
if (dcl->con) {
dcl->con->dcls++;
con = dcl->con;
} else {
con = active_console;
}
if (dcl->ops->dpy_gfx_switch && con) {
dcl->ops->dpy_gfx_switch(dcl, con->surface);
}
}
| 2,117 |
qemu | a38648290ee277c7cb8a53eabdcdb08bb7a9f23f | 1 | static void cpu_ioreq_move(ioreq_t *req)
{
int i, sign;
sign = req->df ? -1 : 1;
if (!req->data_is_ptr) {
if (req->dir == IOREQ_READ) {
for (i = 0; i < req->count; i++) {
cpu_physical_memory_read(
req->addr + (sign * i * (int64_t)req->size),
(uint8_t *) &req->data, req->size);
}
} else if (req->dir == IOREQ_WRITE) {
for (i = 0; i < req->count; i++) {
cpu_physical_memory_write(
req->addr + (sign * i * (int64_t)req->size),
(uint8_t *) &req->data, req->size);
}
}
} else {
uint64_t tmp;
if (req->dir == IOREQ_READ) {
for (i = 0; i < req->count; i++) {
cpu_physical_memory_read(
req->addr + (sign * i * (int64_t)req->size),
(uint8_t*) &tmp, req->size);
cpu_physical_memory_write(
req->data + (sign * i * (int64_t)req->size),
(uint8_t*) &tmp, req->size);
}
} else if (req->dir == IOREQ_WRITE) {
for (i = 0; i < req->count; i++) {
cpu_physical_memory_read(
req->data + (sign * i * (int64_t)req->size),
(uint8_t*) &tmp, req->size);
cpu_physical_memory_write(
req->addr + (sign * i * (int64_t)req->size),
(uint8_t*) &tmp, req->size);
}
}
}
}
| 2,118 |
FFmpeg | cbf09545f250a4bd12c50c3a96fe481098ab2d49 | 0 | static void imc_get_coeffs(AVCodecContext *avctx,
IMCContext *q, IMCChannel *chctx)
{
int i, j, cw_len, cw;
for (i = 0; i < BANDS; i++) {
if (!chctx->sumLenArr[i])
continue;
if (chctx->bandFlagsBuf[i] || chctx->bandWidthT[i]) {
for (j = band_tab[i]; j < band_tab[i + 1]; j++) {
cw_len = chctx->CWlengthT[j];
cw = 0;
if (get_bits_count(&q->gb) + cw_len > 512) {
av_log(avctx, AV_LOG_WARNING,
"Potential problem on band %i, coefficient %i"
": cw_len=%i\n", i, j, cw_len);
}
if (cw_len && (!chctx->bandFlagsBuf[i] || !chctx->skipFlags[j]))
cw = get_bits(&q->gb, cw_len);
chctx->codewords[j] = cw;
}
}
}
}
| 2,119 |
FFmpeg | ea382767ad2191acbe97e90624059723e15f0e4b | 0 | void ff_generate_sliding_window_mmcos(H264Context *h, int first_slice)
{
MpegEncContext * const s = &h->s;
MMCO mmco_temp[MAX_MMCO_COUNT], *mmco = first_slice ? h->mmco : mmco_temp;
int mmco_index = 0, i;
assert(h->long_ref_count + h->short_ref_count <= h->sps.ref_frame_count);
if (h->short_ref_count &&
h->long_ref_count + h->short_ref_count == h->sps.ref_frame_count &&
!(FIELD_PICTURE && !s->first_field &&
s->current_picture_ptr->f.reference)) {
mmco[0].opcode = MMCO_SHORT2UNUSED;
mmco[0].short_pic_num = h->short_ref[h->short_ref_count - 1]->frame_num;
mmco_index = 1;
if (FIELD_PICTURE) {
mmco[0].short_pic_num *= 2;
mmco[1].opcode = MMCO_SHORT2UNUSED;
mmco[1].short_pic_num = mmco[0].short_pic_num + 1;
mmco_index = 2;
}
}
if (first_slice) {
h->mmco_index = mmco_index;
} else if (!first_slice && mmco_index >= 0 &&
(mmco_index != h->mmco_index ||
(i = check_opcodes(h->mmco, mmco_temp, mmco_index)))) {
av_log(h->s.avctx, AV_LOG_ERROR,
"Inconsistent MMCO state between slices [%d, %d, %d]\n",
mmco_index, h->mmco_index, i);
return AVERROR_INVALIDDATA;
}
}
| 2,121 |
qemu | f897bf751fbd95e4015b95d202c706548586813a | 1 | void virtio_blk_handle_request(VirtIOBlockReq *req, MultiReqBuffer *mrb)
{
uint32_t type;
struct iovec *in_iov = req->elem->in_sg;
struct iovec *iov = req->elem->out_sg;
unsigned in_num = req->elem->in_num;
unsigned out_num = req->elem->out_num;
if (req->elem->out_num < 1 || req->elem->in_num < 1) {
error_report("virtio-blk missing headers");
exit(1);
}
if (unlikely(iov_to_buf(iov, out_num, 0, &req->out,
sizeof(req->out)) != sizeof(req->out))) {
error_report("virtio-blk request outhdr too short");
exit(1);
}
iov_discard_front(&iov, &out_num, sizeof(req->out));
if (in_num < 1 ||
in_iov[in_num - 1].iov_len < sizeof(struct virtio_blk_inhdr)) {
error_report("virtio-blk request inhdr too short");
exit(1);
}
req->in = (void *)in_iov[in_num - 1].iov_base
+ in_iov[in_num - 1].iov_len
- sizeof(struct virtio_blk_inhdr);
iov_discard_back(in_iov, &in_num, sizeof(struct virtio_blk_inhdr));
type = virtio_ldl_p(VIRTIO_DEVICE(req->dev), &req->out.type);
if (type & VIRTIO_BLK_T_FLUSH) {
virtio_blk_handle_flush(req, mrb);
} else if (type & VIRTIO_BLK_T_SCSI_CMD) {
virtio_blk_handle_scsi(req);
} else if (type & VIRTIO_BLK_T_GET_ID) {
VirtIOBlock *s = req->dev;
/*
* NB: per existing s/n string convention the string is
* terminated by '\0' only when shorter than buffer.
*/
strncpy(req->elem->in_sg[0].iov_base,
s->blk.serial ? s->blk.serial : "",
MIN(req->elem->in_sg[0].iov_len, VIRTIO_BLK_ID_BYTES));
virtio_blk_req_complete(req, VIRTIO_BLK_S_OK);
virtio_blk_free_request(req);
} else if (type & VIRTIO_BLK_T_OUT) {
qemu_iovec_init_external(&req->qiov, &req->elem->out_sg[1],
req->elem->out_num - 1);
virtio_blk_handle_write(req, mrb);
} else if (type == VIRTIO_BLK_T_IN || type == VIRTIO_BLK_T_BARRIER) {
/* VIRTIO_BLK_T_IN is 0, so we can't just & it. */
qemu_iovec_init_external(&req->qiov, &req->elem->in_sg[0],
req->elem->in_num - 1);
virtio_blk_handle_read(req);
} else {
virtio_blk_req_complete(req, VIRTIO_BLK_S_UNSUPP);
virtio_blk_free_request(req);
}
}
| 2,122 |
qemu | 9bb234b3b170299c39c9e88cfe7da5434a92d99d | 1 | void OPPROTO op_sdiv_T1_T0(void)
{
int64_t x0;
int32_t x1;
x0 = T0 | ((int64_t) (env->y) << 32);
x1 = T1;
x0 = x0 / x1;
if ((int32_t) x0 != x0) {
T0 = x0 < 0? 0x80000000: 0x7fffffff;
T1 = 1;
} else {
T0 = x0;
T1 = 0;
FORCE_RET(); | 2,123 |
qemu | c8721d35994fd3731e592f81ba2f9c08e7dc8c31 | 1 | static void spapr_machine_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
sPAPRMachineClass *smc = SPAPR_MACHINE_CLASS(oc);
FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
NMIClass *nc = NMI_CLASS(oc);
HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
mc->desc = "pSeries Logical Partition (PAPR compliant)";
/*
* We set up the default / latest behaviour here. The class_init
* functions for the specific versioned machine types can override
* these details for backwards compatibility
*/
mc->init = ppc_spapr_init;
mc->reset = ppc_spapr_reset;
mc->block_default_type = IF_SCSI;
mc->max_cpus = MAX_CPUMASK_BITS;
mc->no_parallel = 1;
mc->default_boot_order = "";
mc->default_ram_size = 512 * M_BYTE;
mc->kvm_type = spapr_kvm_type;
mc->has_dynamic_sysbus = true;
mc->pci_allow_0_address = true;
mc->get_hotplug_handler = spapr_get_hotpug_handler;
hc->pre_plug = spapr_machine_device_pre_plug;
hc->plug = spapr_machine_device_plug;
hc->unplug = spapr_machine_device_unplug;
mc->cpu_index_to_socket_id = spapr_cpu_index_to_socket_id;
mc->query_hotpluggable_cpus = spapr_query_hotpluggable_cpus;
smc->dr_lmb_enabled = true;
smc->dr_cpu_enabled = true;
fwc->get_dev_path = spapr_get_fw_dev_path;
nc->nmi_monitor_handler = spapr_nmi;
}
| 2,125 |
qemu | 94fb0909645de18481cc726ee0ec9b5afa861394 | 1 | static int ram_decompress_open(RamDecompressState *s, QEMUFile *f)
{
int ret;
memset(s, 0, sizeof(*s));
s->f = f;
ret = inflateInit(&s->zstream);
if (ret != Z_OK)
return -1;
return 0;
}
| 2,126 |
qemu | a8f2e5c8fffbaf7fbd4f0efc8efbeebade78008f | 1 | static int virtio_scsi_vring_init(VirtIOSCSI *s, VirtQueue *vq, int n)
{
BusState *qbus = BUS(qdev_get_parent_bus(DEVICE(s)));
VirtioBusClass *k = VIRTIO_BUS_GET_CLASS(qbus);
int rc;
/* Set up virtqueue notify */
rc = k->set_host_notifier(qbus->parent, n, true);
if (rc != 0) {
fprintf(stderr, "virtio-scsi: Failed to set host notifier (%d)\n",
rc);
s->dataplane_fenced = true;
return rc;
}
virtio_queue_aio_set_host_notifier_handler(vq, s->ctx, true, true);
return 0;
}
| 2,127 |
qemu | 56c4bfb3f07f3107894c00281276aea4f5e8834d | 1 | void qemu_get_guest_memory_mapping(MemoryMappingList *list, Error **errp)
{
CPUState *cpu, *first_paging_enabled_cpu;
RAMBlock *block;
ram_addr_t offset, length;
first_paging_enabled_cpu = find_paging_enabled_cpu(first_cpu);
if (first_paging_enabled_cpu) {
for (cpu = first_paging_enabled_cpu; cpu != NULL; cpu = cpu->next_cpu) {
Error *err = NULL;
cpu_get_memory_mapping(cpu, list, &err);
if (err) {
error_propagate(errp, err);
return;
}
}
return;
}
/*
* If the guest doesn't use paging, the virtual address is equal to physical
* address.
*/
QTAILQ_FOREACH(block, &ram_list.blocks, next) {
offset = block->offset;
length = block->length;
create_new_memory_mapping(list, offset, offset, length);
}
}
| 2,128 |
FFmpeg | 90540c2d5ace46a1e9789c75fde0b1f7dbb12a9b | 1 | static inline void RENAME(rgb24tobgr32)(const uint8_t *src, uint8_t *dst, int src_size)
{
uint8_t *dest = dst;
const uint8_t *s = src;
const uint8_t *end;
const uint8_t *mm_end;
end = s + src_size;
__asm__ volatile(PREFETCH" %0"::"m"(*s):"memory");
mm_end = end - 23;
__asm__ volatile("movq %0, %%mm7"::"m"(mask32a):"memory");
while (s < mm_end) {
__asm__ volatile(
PREFETCH" 32%1 \n\t"
"movd %1, %%mm0 \n\t"
"punpckldq 3%1, %%mm0 \n\t"
"movd 6%1, %%mm1 \n\t"
"punpckldq 9%1, %%mm1 \n\t"
"movd 12%1, %%mm2 \n\t"
"punpckldq 15%1, %%mm2 \n\t"
"movd 18%1, %%mm3 \n\t"
"punpckldq 21%1, %%mm3 \n\t"
"por %%mm7, %%mm0 \n\t"
"por %%mm7, %%mm1 \n\t"
"por %%mm7, %%mm2 \n\t"
"por %%mm7, %%mm3 \n\t"
MOVNTQ" %%mm0, %0 \n\t"
MOVNTQ" %%mm1, 8%0 \n\t"
MOVNTQ" %%mm2, 16%0 \n\t"
MOVNTQ" %%mm3, 24%0"
:"=m"(*dest)
:"m"(*s)
:"memory");
dest += 32;
s += 24;
}
__asm__ volatile(SFENCE:::"memory");
__asm__ volatile(EMMS:::"memory");
while (s < end) {
*dest++ = *s++;
*dest++ = *s++;
*dest++ = *s++;
*dest++ = 255;
}
}
| 2,129 |
qemu | 902b27d0b8d5bfa840eaf389d7cbcc28b57e3fbe | 1 | int bdrv_open2(BlockDriverState *bs, const char *filename, int flags,
BlockDriver *drv)
{
int ret, open_flags;
char tmp_filename[PATH_MAX];
char backing_filename[PATH_MAX];
bs->read_only = 0;
bs->is_temporary = 0;
bs->encrypted = 0;
if (flags & BDRV_O_SNAPSHOT) {
BlockDriverState *bs1;
int64_t total_size;
/* if snapshot, we create a temporary backing file and open it
instead of opening 'filename' directly */
/* if there is a backing file, use it */
bs1 = bdrv_new("");
if (!bs1) {
return -ENOMEM;
}
if (bdrv_open(bs1, filename, 0) < 0) {
bdrv_delete(bs1);
return -1;
}
total_size = bdrv_getlength(bs1) >> SECTOR_BITS;
bdrv_delete(bs1);
get_tmp_filename(tmp_filename, sizeof(tmp_filename));
realpath(filename, backing_filename);
if (bdrv_create(&bdrv_qcow2, tmp_filename,
total_size, backing_filename, 0) < 0) {
return -1;
}
filename = tmp_filename;
bs->is_temporary = 1;
}
pstrcpy(bs->filename, sizeof(bs->filename), filename);
if (flags & BDRV_O_FILE) {
drv = find_protocol(filename);
if (!drv)
return -ENOENT;
} else {
if (!drv) {
drv = find_image_format(filename);
if (!drv)
return -1;
}
}
bs->drv = drv;
bs->opaque = qemu_mallocz(drv->instance_size);
bs->total_sectors = 0; /* driver will set if it does not do getlength */
if (bs->opaque == NULL && drv->instance_size > 0)
return -1;
/* Note: for compatibility, we open disk image files as RDWR, and
RDONLY as fallback */
if (!(flags & BDRV_O_FILE))
open_flags = BDRV_O_RDWR | (flags & BDRV_O_DIRECT);
else
open_flags = flags & ~(BDRV_O_FILE | BDRV_O_SNAPSHOT);
ret = drv->bdrv_open(bs, filename, open_flags);
if (ret == -EACCES && !(flags & BDRV_O_FILE)) {
ret = drv->bdrv_open(bs, filename, BDRV_O_RDONLY);
bs->read_only = 1;
}
if (ret < 0) {
qemu_free(bs->opaque);
bs->opaque = NULL;
bs->drv = NULL;
return ret;
}
if (drv->bdrv_getlength) {
bs->total_sectors = bdrv_getlength(bs) >> SECTOR_BITS;
}
#ifndef _WIN32
if (bs->is_temporary) {
unlink(filename);
}
#endif
if (bs->backing_file[0] != '\0') {
/* if there is a backing file, use it */
bs->backing_hd = bdrv_new("");
if (!bs->backing_hd) {
fail:
bdrv_close(bs);
return -ENOMEM;
}
path_combine(backing_filename, sizeof(backing_filename),
filename, bs->backing_file);
if (bdrv_open(bs->backing_hd, backing_filename, 0) < 0)
goto fail;
}
/* call the change callback */
bs->media_changed = 1;
if (bs->change_cb)
bs->change_cb(bs->change_opaque);
return 0;
} | 2,131 |
FFmpeg | 48f1e5212c90b511c90fa0449655abb06a9edda2 | 1 | static int wma_decode_superframe(AVCodecContext *avctx, void *data,
int *got_frame_ptr, AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
WMACodecContext *s = avctx->priv_data;
int nb_frames, bit_offset, i, pos, len, ret;
uint8_t *q;
int16_t *samples;
tprintf(avctx, "***decode_superframe:\n");
if(buf_size==0){
s->last_superframe_len = 0;
return 0;
}
if (buf_size < s->block_align)
return 0;
buf_size = s->block_align;
init_get_bits(&s->gb, buf, buf_size*8);
if (s->use_bit_reservoir) {
/* read super frame header */
skip_bits(&s->gb, 4); /* super frame index */
nb_frames = get_bits(&s->gb, 4) - (s->last_superframe_len <= 0);
} else {
nb_frames = 1;
}
/* get output buffer */
s->frame.nb_samples = nb_frames * s->frame_len;
if ((ret = avctx->get_buffer(avctx, &s->frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
samples = (int16_t *)s->frame.data[0];
if (s->use_bit_reservoir) {
bit_offset = get_bits(&s->gb, s->byte_offset_bits + 3);
if (s->last_superframe_len > 0) {
// printf("skip=%d\n", s->last_bitoffset);
/* add bit_offset bits to last frame */
if ((s->last_superframe_len + ((bit_offset + 7) >> 3)) >
MAX_CODED_SUPERFRAME_SIZE)
goto fail;
q = s->last_superframe + s->last_superframe_len;
len = bit_offset;
while (len > 7) {
*q++ = (get_bits)(&s->gb, 8);
len -= 8;
}
if (len > 0) {
*q++ = (get_bits)(&s->gb, len) << (8 - len);
}
/* XXX: bit_offset bits into last frame */
init_get_bits(&s->gb, s->last_superframe, MAX_CODED_SUPERFRAME_SIZE*8);
/* skip unused bits */
if (s->last_bitoffset > 0)
skip_bits(&s->gb, s->last_bitoffset);
/* this frame is stored in the last superframe and in the
current one */
if (wma_decode_frame(s, samples) < 0)
goto fail;
samples += s->nb_channels * s->frame_len;
nb_frames--;
}
/* read each frame starting from bit_offset */
pos = bit_offset + 4 + 4 + s->byte_offset_bits + 3;
init_get_bits(&s->gb, buf + (pos >> 3), (MAX_CODED_SUPERFRAME_SIZE - (pos >> 3))*8);
len = pos & 7;
if (len > 0)
skip_bits(&s->gb, len);
s->reset_block_lengths = 1;
for(i=0;i<nb_frames;i++) {
if (wma_decode_frame(s, samples) < 0)
goto fail;
samples += s->nb_channels * s->frame_len;
}
/* we copy the end of the frame in the last frame buffer */
pos = get_bits_count(&s->gb) + ((bit_offset + 4 + 4 + s->byte_offset_bits + 3) & ~7);
s->last_bitoffset = pos & 7;
pos >>= 3;
len = buf_size - pos;
if (len > MAX_CODED_SUPERFRAME_SIZE || len < 0) {
av_log(s->avctx, AV_LOG_ERROR, "len %d invalid\n", len);
goto fail;
}
s->last_superframe_len = len;
memcpy(s->last_superframe, buf + pos, len);
} else {
/* single frame decode */
if (wma_decode_frame(s, samples) < 0)
goto fail;
samples += s->nb_channels * s->frame_len;
}
//av_log(NULL, AV_LOG_ERROR, "%d %d %d %d outbytes:%d eaten:%d\n", s->frame_len_bits, s->block_len_bits, s->frame_len, s->block_len, (int8_t *)samples - (int8_t *)data, s->block_align);
*got_frame_ptr = 1;
*(AVFrame *)data = s->frame;
return s->block_align;
fail:
/* when error, we reset the bit reservoir */
s->last_superframe_len = 0;
return -1;
} | 2,132 |
FFmpeg | a52f443714b5c2a40ed272d8445f4c39220a4b69 | 1 | static int vc1_decode_p_mb(VC1Context *v)
{
MpegEncContext *s = &v->s;
GetBitContext *gb = &s->gb;
int i, j;
int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
int cbp; /* cbp decoding stuff */
int mqdiff, mquant; /* MB quantization */
int ttmb = v->ttfrm; /* MB Transform type */
int mb_has_coeffs = 1; /* last_flag */
int dmv_x, dmv_y; /* Differential MV components */
int index, index1; /* LUT indexes */
int val, sign; /* temp values */
int first_block = 1;
int dst_idx, off;
int skipped, fourmv;
int block_cbp = 0, pat, block_tt = 0, block_intra = 0;
mquant = v->pq; /* lossy initialization */
if (v->mv_type_is_raw)
fourmv = get_bits1(gb);
else
fourmv = v->mv_type_mb_plane[mb_pos];
if (v->skip_is_raw)
skipped = get_bits1(gb);
else
skipped = v->s.mbskip_table[mb_pos];
if (!fourmv) { /* 1MV mode */
if (!skipped) {
GET_MVDATA(dmv_x, dmv_y);
if (s->mb_intra) {
s->current_picture.motion_val[1][s->block_index[0]][0] = 0;
s->current_picture.motion_val[1][s->block_index[0]][1] = 0;
}
s->current_picture.mb_type[mb_pos] = s->mb_intra ? MB_TYPE_INTRA : MB_TYPE_16x16;
vc1_pred_mv(v, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0], 0, 0);
/* FIXME Set DC val for inter block ? */
if (s->mb_intra && !mb_has_coeffs) {
GET_MQUANT();
s->ac_pred = get_bits1(gb);
cbp = 0;
} else if (mb_has_coeffs) {
if (s->mb_intra)
s->ac_pred = get_bits1(gb);
cbp = get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2);
GET_MQUANT();
} else {
mquant = v->pq;
cbp = 0;
}
s->current_picture.qscale_table[mb_pos] = mquant;
if (!v->ttmbf && !s->mb_intra && mb_has_coeffs)
ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table,
VC1_TTMB_VLC_BITS, 2);
if (!s->mb_intra) vc1_mc_1mv(v, 0);
dst_idx = 0;
for (i = 0; i < 6; i++) {
s->dc_val[0][s->block_index[i]] = 0;
dst_idx += i >> 2;
val = ((cbp >> (5 - i)) & 1);
off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize);
v->mb_type[0][s->block_index[i]] = s->mb_intra;
if (s->mb_intra) {
/* check if prediction blocks A and C are available */
v->a_avail = v->c_avail = 0;
if (i == 2 || i == 3 || !s->first_slice_line)
v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]];
if (i == 1 || i == 3 || s->mb_x)
v->c_avail = v->mb_type[0][s->block_index[i] - 1];
vc1_decode_intra_block(v, s->block[i], i, val, mquant,
(i & 4) ? v->codingset2 : v->codingset);
if ((i>3) && (s->flags & CODEC_FLAG_GRAY))
continue;
v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);
if (v->rangeredfrm)
for (j = 0; j < 64; j++)
s->block[i][j] <<= 1;
s->idsp.put_signed_pixels_clamped(s->block[i],
s->dest[dst_idx] + off,
i & 4 ? s->uvlinesize
: s->linesize);
if (v->pq >= 9 && v->overlap) {
if (v->c_avail)
v->vc1dsp.vc1_h_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
if (v->a_avail)
v->vc1dsp.vc1_v_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
}
block_cbp |= 0xF << (i << 2);
block_intra |= 1 << i;
} else if (val) {
pat = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block,
s->dest[dst_idx] + off, (i & 4) ? s->uvlinesize : s->linesize,
(i & 4) && (s->flags & CODEC_FLAG_GRAY), &block_tt);
block_cbp |= pat << (i << 2);
if (!v->ttmbf && ttmb < 8)
ttmb = -1;
first_block = 0;
}
}
} else { // skipped
s->mb_intra = 0;
for (i = 0; i < 6; i++) {
v->mb_type[0][s->block_index[i]] = 0;
s->dc_val[0][s->block_index[i]] = 0;
}
s->current_picture.mb_type[mb_pos] = MB_TYPE_SKIP;
s->current_picture.qscale_table[mb_pos] = 0;
vc1_pred_mv(v, 0, 0, 0, 1, v->range_x, v->range_y, v->mb_type[0], 0, 0);
vc1_mc_1mv(v, 0);
}
} else { // 4MV mode
if (!skipped /* unskipped MB */) {
int intra_count = 0, coded_inter = 0;
int is_intra[6], is_coded[6];
/* Get CBPCY */
cbp = get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2);
for (i = 0; i < 6; i++) {
val = ((cbp >> (5 - i)) & 1);
s->dc_val[0][s->block_index[i]] = 0;
s->mb_intra = 0;
if (i < 4) {
dmv_x = dmv_y = 0;
s->mb_intra = 0;
mb_has_coeffs = 0;
if (val) {
GET_MVDATA(dmv_x, dmv_y);
}
vc1_pred_mv(v, i, dmv_x, dmv_y, 0, v->range_x, v->range_y, v->mb_type[0], 0, 0);
if (!s->mb_intra)
vc1_mc_4mv_luma(v, i, 0, 0);
intra_count += s->mb_intra;
is_intra[i] = s->mb_intra;
is_coded[i] = mb_has_coeffs;
}
if (i & 4) {
is_intra[i] = (intra_count >= 3);
is_coded[i] = val;
}
if (i == 4)
vc1_mc_4mv_chroma(v, 0);
v->mb_type[0][s->block_index[i]] = is_intra[i];
if (!coded_inter)
coded_inter = !is_intra[i] && is_coded[i];
}
// if there are no coded blocks then don't do anything more
dst_idx = 0;
if (!intra_count && !coded_inter)
goto end;
GET_MQUANT();
s->current_picture.qscale_table[mb_pos] = mquant;
/* test if block is intra and has pred */
{
int intrapred = 0;
for (i = 0; i < 6; i++)
if (is_intra[i]) {
if (((!s->first_slice_line || (i == 2 || i == 3)) && v->mb_type[0][s->block_index[i] - s->block_wrap[i]])
|| ((s->mb_x || (i == 1 || i == 3)) && v->mb_type[0][s->block_index[i] - 1])) {
intrapred = 1;
break;
}
}
if (intrapred)
s->ac_pred = get_bits1(gb);
else
s->ac_pred = 0;
}
if (!v->ttmbf && coded_inter)
ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2);
for (i = 0; i < 6; i++) {
dst_idx += i >> 2;
off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize);
s->mb_intra = is_intra[i];
if (is_intra[i]) {
/* check if prediction blocks A and C are available */
v->a_avail = v->c_avail = 0;
if (i == 2 || i == 3 || !s->first_slice_line)
v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]];
if (i == 1 || i == 3 || s->mb_x)
v->c_avail = v->mb_type[0][s->block_index[i] - 1];
vc1_decode_intra_block(v, s->block[i], i, is_coded[i], mquant,
(i & 4) ? v->codingset2 : v->codingset);
if ((i>3) && (s->flags & CODEC_FLAG_GRAY))
continue;
v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);
if (v->rangeredfrm)
for (j = 0; j < 64; j++)
s->block[i][j] <<= 1;
s->idsp.put_signed_pixels_clamped(s->block[i],
s->dest[dst_idx] + off,
(i & 4) ? s->uvlinesize
: s->linesize);
if (v->pq >= 9 && v->overlap) {
if (v->c_avail)
v->vc1dsp.vc1_h_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
if (v->a_avail)
v->vc1dsp.vc1_v_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
}
block_cbp |= 0xF << (i << 2);
block_intra |= 1 << i;
} else if (is_coded[i]) {
pat = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb,
first_block, s->dest[dst_idx] + off,
(i & 4) ? s->uvlinesize : s->linesize,
(i & 4) && (s->flags & CODEC_FLAG_GRAY),
&block_tt);
block_cbp |= pat << (i << 2);
if (!v->ttmbf && ttmb < 8)
ttmb = -1;
first_block = 0;
}
}
} else { // skipped MB
s->mb_intra = 0;
s->current_picture.qscale_table[mb_pos] = 0;
for (i = 0; i < 6; i++) {
v->mb_type[0][s->block_index[i]] = 0;
s->dc_val[0][s->block_index[i]] = 0;
}
for (i = 0; i < 4; i++) {
vc1_pred_mv(v, i, 0, 0, 0, v->range_x, v->range_y, v->mb_type[0], 0, 0);
vc1_mc_4mv_luma(v, i, 0, 0);
}
vc1_mc_4mv_chroma(v, 0);
s->current_picture.qscale_table[mb_pos] = 0;
}
}
end:
v->cbp[s->mb_x] = block_cbp;
v->ttblk[s->mb_x] = block_tt;
v->is_intra[s->mb_x] = block_intra;
return 0;
}
| 2,134 |
qemu | 4cae4d5acaea23f3def84c8dc67ef5106323e5cb | 1 | int qdev_build_hotpluggable_device_list(Object *obj, void *opaque)
{
GSList **list = opaque;
DeviceState *dev = DEVICE(obj);
if (dev->realized && object_property_get_bool(obj, "hotpluggable", NULL)) {
*list = g_slist_append(*list, dev);
}
object_child_foreach(obj, qdev_build_hotpluggable_device_list, opaque);
return 0;
}
| 2,135 |
qemu | d6f723b513a0c3c4e58343b7c52a2f9850861fa0 | 1 | static void test_qemu_strtoul_max(void)
{
const char *str = g_strdup_printf("%lu", ULONG_MAX);
char f = 'X';
const char *endptr = &f;
unsigned long res = 999;
int err;
err = qemu_strtoul(str, &endptr, 0, &res);
g_assert_cmpint(err, ==, 0);
g_assert_cmpint(res, ==, ULONG_MAX);
g_assert(endptr == str + strlen(str));
}
| 2,136 |
qemu | fa66b909f382619da15f8c7e323145adfa94fdac | 1 | static int usb_msd_initfn(USBDevice *dev)
{
MSDState *s = DO_UPCAST(MSDState, dev, dev);
if (!s->conf.dinfo || !s->conf.dinfo->bdrv) {
error_report("usb-msd: drive property not set");
s->dev.speed = USB_SPEED_FULL;
scsi_bus_new(&s->bus, &s->dev.qdev, 0, 1, usb_msd_command_complete);
s->scsi_dev = scsi_bus_legacy_add_drive(&s->bus, s->conf.dinfo, 0);
s->bus.qbus.allow_hotplug = 0;
usb_msd_handle_reset(dev);
if (bdrv_key_required(s->conf.dinfo->bdrv)) {
if (cur_mon) {
monitor_read_bdrv_key_start(cur_mon, s->conf.dinfo->bdrv,
usb_msd_password_cb, s);
s->dev.auto_attach = 0;
} else {
autostart = 0;
return 0;
| 2,137 |
qemu | 5c843af22604edecda10d4bb89d4eede9e1bd3d0 | 1 | static int net_slirp_init(NetClientState *peer, const char *model,
const char *name, int restricted,
bool ipv4, const char *vnetwork, const char *vhost,
bool ipv6, const char *vprefix6, int vprefix6_len,
const char *vhost6,
const char *vhostname, const char *tftp_export,
const char *bootfile, const char *vdhcp_start,
const char *vnameserver, const char *vnameserver6,
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 */
struct in6_addr ip6_prefix;
struct in6_addr ip6_host;
struct in6_addr ip6_dns;
#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 (!ipv4 && (vnetwork || vhost || vnameserver)) {
return -1;
}
if (!ipv6 && (vprefix6 || vhost6 || vnameserver6)) {
return -1;
}
if (!ipv4 && !ipv6) {
/* It doesn't make sense to disable both */
return -1;
}
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 (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;
}
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;
}
#ifndef _WIN32
if (vsmbserver && !inet_aton(vsmbserver, &smbsrv)) {
return -1;
}
#endif
#if defined(_WIN32) && (_WIN32_WINNT < 0x0600)
/* No inet_pton helper before Vista... */
if (vprefix6) {
/* Unsupported */
return -1;
}
memset(&ip6_prefix, 0, sizeof(ip6_prefix));
ip6_prefix.s6_addr[0] = 0xfe;
ip6_prefix.s6_addr[1] = 0xc0;
#else
if (!vprefix6) {
vprefix6 = "fec0::";
}
if (!inet_pton(AF_INET6, vprefix6, &ip6_prefix)) {
return -1;
}
#endif
if (!vprefix6_len) {
vprefix6_len = 64;
}
if (vprefix6_len < 0 || vprefix6_len > 126) {
return -1;
}
if (vhost6) {
#if defined(_WIN32) && (_WIN32_WINNT < 0x0600)
return -1;
#else
if (!inet_pton(AF_INET6, vhost6, &ip6_host)) {
return -1;
}
if (!in6_equal_net(&ip6_prefix, &ip6_host, vprefix6_len)) {
return -1;
}
#endif
} else {
ip6_host = ip6_prefix;
ip6_host.s6_addr[15] |= 2;
}
if (vnameserver6) {
#if defined(_WIN32) && (_WIN32_WINNT < 0x0600)
return -1;
#else
if (!inet_pton(AF_INET6, vnameserver6, &ip6_dns)) {
return -1;
}
if (!in6_equal_net(&ip6_prefix, &ip6_dns, vprefix6_len)) {
return -1;
}
#endif
} else {
ip6_dns = ip6_prefix;
ip6_dns.s6_addr[15] |= 3;
}
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, ipv4, net, mask, host,
ipv6, ip6_prefix, vprefix6_len, ip6_host,
vhostname, tftp_export, bootfile, dhcp,
dns, ip6_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
s->exit_notifier.notify = slirp_smb_exit;
qemu_add_exit_notifier(&s->exit_notifier);
return 0;
error:
qemu_del_net_client(nc);
return -1;
}
| 2,138 |
qemu | 57d1f6d7ce23e79a8ebe4a57bd2363b269b4664b | 1 | size_t qemu_fd_getpagesize(int fd)
{
#ifdef CONFIG_LINUX
struct statfs fs;
int ret;
if (fd != -1) {
do {
ret = fstatfs(fd, &fs);
} while (ret != 0 && errno == EINTR);
if (ret == 0 && fs.f_type == HUGETLBFS_MAGIC) {
return fs.f_bsize;
}
}
return getpagesize();
} | 2,139 |
qemu | 99e1dec06f343cefecae9baeec0aae2f99f552d5 | 1 | static int cpudef_setfield(const char *name, const char *str, void *opaque)
{
x86_def_t *def = opaque;
int err = 0;
if (!strcmp(name, "name")) {
def->name = g_strdup(str);
} else if (!strcmp(name, "model_id")) {
strncpy(def->model_id, str, sizeof (def->model_id));
} else if (!strcmp(name, "level")) {
setscalar(&def->level, str, &err)
} else if (!strcmp(name, "vendor")) {
cpyid(&str[0], &def->vendor1);
cpyid(&str[4], &def->vendor2);
cpyid(&str[8], &def->vendor3);
} else if (!strcmp(name, "family")) {
setscalar(&def->family, str, &err)
} else if (!strcmp(name, "model")) {
setscalar(&def->model, str, &err)
} else if (!strcmp(name, "stepping")) {
setscalar(&def->stepping, str, &err)
} else if (!strcmp(name, "feature_edx")) {
setfeatures(&def->features, str, feature_name, &err);
} else if (!strcmp(name, "feature_ecx")) {
setfeatures(&def->ext_features, str, ext_feature_name, &err);
} else if (!strcmp(name, "extfeature_edx")) {
setfeatures(&def->ext2_features, str, ext2_feature_name, &err);
} else if (!strcmp(name, "extfeature_ecx")) {
setfeatures(&def->ext3_features, str, ext3_feature_name, &err);
} else if (!strcmp(name, "xlevel")) {
setscalar(&def->xlevel, str, &err)
} else {
fprintf(stderr, "error: unknown option [%s = %s]\n", name, str);
return (1);
}
if (err) {
fprintf(stderr, "error: bad option value [%s = %s]\n", name, str);
return (1);
}
return (0);
} | 2,140 |
qemu | 441692ddd8321d5e0f09b163e86410e578d87236 | 1 | static inline int onenand_prog_spare(OneNANDState *s, int sec, int secn,
void *src)
{
int result = 0;
if (secn > 0) {
const uint8_t *sp = (const uint8_t *)src;
uint8_t *dp = 0, *dpp = 0;
if (s->blk_cur) {
dp = g_malloc(512);
if (!dp
|| blk_read(s->blk_cur, s->secs_cur + (sec >> 5), dp, 1) < 0) {
result = 1;
} else {
dpp = dp + ((sec & 31) << 4);
}
} else {
if (sec + secn > s->secs_cur) {
result = 1;
} else {
dpp = s->current + (s->secs_cur << 9) + (sec << 4);
}
}
if (!result) {
uint32_t i;
for (i = 0; i < (secn << 4); i++) {
dpp[i] &= sp[i];
}
if (s->blk_cur) {
result = blk_write(s->blk_cur, s->secs_cur + (sec >> 5),
dp, 1) < 0;
}
}
g_free(dp);
}
return result;
}
| 2,141 |
FFmpeg | 3d673078a03a3819df9dba7667f9e5d59b8487d0 | 1 | static int ircam_read_header(AVFormatContext *s)
{
uint32_t magic, sample_rate, channels, tag;
const AVCodecTag *tags;
int le = -1, i;
AVStream *st;
magic = avio_rl32(s->pb);
for (i = 0; i < 7; i++) {
if (magic == table[i].magic) {
le = table[i].is_le;
break;
}
}
if (le == 1) {
sample_rate = av_int2float(avio_rl32(s->pb));
channels = avio_rl32(s->pb);
tag = avio_rl32(s->pb);
tags = ff_codec_ircam_le_tags;
} else if (le == 0) {
sample_rate = av_int2float(avio_rb32(s->pb));
channels = avio_rb32(s->pb);
tag = avio_rb32(s->pb);
tags = ff_codec_ircam_be_tags;
} else {
return AVERROR_INVALIDDATA;
}
if (!channels || !sample_rate)
return AVERROR_INVALIDDATA;
st = avformat_new_stream(s, NULL);
if (!st)
return AVERROR(ENOMEM);
st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
st->codecpar->channels = channels;
st->codecpar->sample_rate = sample_rate;
st->codecpar->codec_id = ff_codec_get_id(tags, tag);
if (st->codecpar->codec_id == AV_CODEC_ID_NONE) {
av_log(s, AV_LOG_ERROR, "unknown tag %X\n", tag);
return AVERROR_INVALIDDATA;
}
st->codecpar->bits_per_coded_sample = av_get_bits_per_sample(st->codecpar->codec_id);
st->codecpar->block_align = st->codecpar->bits_per_coded_sample * st->codecpar->channels / 8;
avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);
avio_skip(s->pb, 1008);
return 0;
} | 2,144 |
qemu | 04920fc0faa4760f9c4fc0e73b992b768099be70 | 1 | static void pc_init_pci_1_6(QEMUMachineInitArgs *args)
{
has_pci_info = false;
pc_init_pci(args);
} | 2,145 |
qemu | 5839e53bbc0fec56021d758aab7610df421ed8c8 | 1 | static char **breakline(char *input, int *count)
{
int c = 0;
char *p;
char **rval = g_malloc0(sizeof(char *));
char **tmp;
while (rval && (p = qemu_strsep(&input, " ")) != NULL) {
if (!*p) {
continue;
}
c++;
tmp = g_realloc(rval, sizeof(*rval) * (c + 1));
if (!tmp) {
g_free(rval);
rval = NULL;
c = 0;
break;
} else {
rval = tmp;
}
rval[c - 1] = p;
rval[c] = NULL;
}
*count = c;
return rval;
}
| 2,146 |
qemu | 01960e6d21dcfbfc8a03d8fd6284c448cf75865b | 1 | int kvm_arch_release_virq_post(int virq)
{
MSIRouteEntry *entry, *next;
QLIST_FOREACH_SAFE(entry, &msi_route_list, list, next) {
if (entry->virq == virq) {
trace_kvm_x86_remove_msi_route(virq);
QLIST_REMOVE(entry, list);
break;
}
}
return 0;
} | 2,149 |
qemu | dc5999787181f6d090217f45570067e55333835b | 1 | monitor_qapi_event_queue(QAPIEvent event, QDict *qdict, Error **errp)
{
MonitorQAPIEventConf *evconf;
MonitorQAPIEventState *evstate;
assert(event < QAPI_EVENT__MAX);
evconf = &monitor_qapi_event_conf[event];
trace_monitor_protocol_event_queue(event, qdict, evconf->rate);
qemu_mutex_lock(&monitor_lock);
if (!evconf->rate) {
/* Unthrottled event */
monitor_qapi_event_emit(event, qdict);
} else {
QDict *data = qobject_to_qdict(qdict_get(qdict, "data"));
MonitorQAPIEventState key = { .event = event, .data = data };
evstate = g_hash_table_lookup(monitor_qapi_event_state, &key);
assert(!evstate || timer_pending(evstate->timer));
if (evstate) {
/*
* Timer is pending for (at least) evconf->rate ns after
* last send. Store event for sending when timer fires,
* replacing a prior stored event if any.
*/
QDECREF(evstate->qdict);
evstate->qdict = qdict;
QINCREF(evstate->qdict);
} else {
/*
* Last send was (at least) evconf->rate ns ago.
* Send immediately, and arm the timer to call
* monitor_qapi_event_handler() in evconf->rate ns. Any
* events arriving before then will be delayed until then.
*/
int64_t now = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
monitor_qapi_event_emit(event, qdict);
evstate = g_new(MonitorQAPIEventState, 1);
evstate->event = event;
evstate->data = data;
QINCREF(evstate->data);
evstate->qdict = NULL;
evstate->timer = timer_new_ns(QEMU_CLOCK_REALTIME,
monitor_qapi_event_handler,
evstate);
g_hash_table_add(monitor_qapi_event_state, evstate);
timer_mod_ns(evstate->timer, now + evconf->rate);
}
}
qemu_mutex_unlock(&monitor_lock);
}
| 2,150 |
qemu | 0b8b8753e4d94901627b3e86431230f2319215c4 | 1 | void pdu_submit(V9fsPDU *pdu)
{
Coroutine *co;
CoroutineEntry *handler;
V9fsState *s = pdu->s;
if (pdu->id >= ARRAY_SIZE(pdu_co_handlers) ||
(pdu_co_handlers[pdu->id] == NULL)) {
handler = v9fs_op_not_supp;
} else {
handler = pdu_co_handlers[pdu->id];
}
if (is_ro_export(&s->ctx) && !is_read_only_op(pdu)) {
handler = v9fs_fs_ro;
}
co = qemu_coroutine_create(handler);
qemu_coroutine_enter(co, pdu);
}
| 2,151 |
qemu | 60fe637bf0e4d7989e21e50f52526444765c63b4 | 1 | static ssize_t socket_writev_buffer(void *opaque, struct iovec *iov, int iovcnt,
int64_t pos)
{
QEMUFileSocket *s = opaque;
ssize_t len;
ssize_t size = iov_size(iov, iovcnt);
len = iov_send(s->fd, iov, iovcnt, 0, size);
if (len < size) {
len = -socket_error();
}
return len;
}
| 2,152 |
qemu | f8ed85ac992c48814d916d5df4d44f9a971c5de4 | 1 | static void assign_storage(SCLPDevice *sclp, SCCB *sccb)
{
MemoryRegion *mr = NULL;
uint64_t this_subregion_size;
AssignStorage *assign_info = (AssignStorage *) sccb;
sclpMemoryHotplugDev *mhd = get_sclp_memory_hotplug_dev();
ram_addr_t assign_addr;
MemoryRegion *sysmem = get_system_memory();
if (!mhd) {
sccb->h.response_code = cpu_to_be16(SCLP_RC_INVALID_SCLP_COMMAND);
return;
}
assign_addr = (assign_info->rn - 1) * mhd->rzm;
if ((assign_addr % MEM_SECTION_SIZE == 0) &&
(assign_addr >= mhd->padded_ram_size)) {
/* Re-use existing memory region if found */
mr = memory_region_find(sysmem, assign_addr, 1).mr;
memory_region_unref(mr);
if (!mr) {
MemoryRegion *standby_ram = g_new(MemoryRegion, 1);
/* offset to align to standby_subregion_size for allocation */
ram_addr_t offset = assign_addr -
(assign_addr - mhd->padded_ram_size)
% mhd->standby_subregion_size;
/* strlen("standby.ram") + 4 (Max of KVM_MEMORY_SLOTS) + NULL */
char id[16];
snprintf(id, 16, "standby.ram%d",
(int)((offset - mhd->padded_ram_size) /
mhd->standby_subregion_size) + 1);
/* Allocate a subregion of the calculated standby_subregion_size */
if (offset + mhd->standby_subregion_size >
mhd->padded_ram_size + mhd->standby_mem_size) {
this_subregion_size = mhd->padded_ram_size +
mhd->standby_mem_size - offset;
} else {
this_subregion_size = mhd->standby_subregion_size;
}
memory_region_init_ram(standby_ram, NULL, id, this_subregion_size, &error_abort);
/* This is a hack to make memory hotunplug work again. Once we have
* subdevices, we have to unparent them when unassigning memory,
* instead of doing it via the ref count of the MemoryRegion. */
object_ref(OBJECT(standby_ram));
object_unparent(OBJECT(standby_ram));
vmstate_register_ram_global(standby_ram);
memory_region_add_subregion(sysmem, offset, standby_ram);
}
/* The specified subregion is no longer in standby */
mhd->standby_state_map[(assign_addr - mhd->padded_ram_size)
/ MEM_SECTION_SIZE] = 1;
}
sccb->h.response_code = cpu_to_be16(SCLP_RC_NORMAL_COMPLETION);
}
| 2,153 |
qemu | 2d25964d1831c99d54981e8b615eba5dd6a63e36 | 1 | static int curl_open(BlockDriverState *bs, QDict *options, int flags,
Error **errp)
{
BDRVCURLState *s = bs->opaque;
CURLState *state = NULL;
QemuOpts *opts;
Error *local_err = NULL;
const char *file;
const char *cookie;
const char *cookie_secret;
double d;
const char *secretid;
const char *protocol_delimiter;
static int inited = 0;
if (flags & BDRV_O_RDWR) {
error_setg(errp, "curl block device does not support writes");
return -EROFS;
}
qemu_mutex_init(&s->mutex);
opts = qemu_opts_create(&runtime_opts, NULL, 0, &error_abort);
qemu_opts_absorb_qdict(opts, options, &local_err);
if (local_err) {
error_propagate(errp, local_err);
goto out_noclean;
}
s->readahead_size = qemu_opt_get_size(opts, CURL_BLOCK_OPT_READAHEAD,
READ_AHEAD_DEFAULT);
if ((s->readahead_size & 0x1ff) != 0) {
error_setg(errp, "HTTP_READAHEAD_SIZE %zd is not a multiple of 512",
s->readahead_size);
goto out_noclean;
}
s->timeout = qemu_opt_get_number(opts, CURL_BLOCK_OPT_TIMEOUT,
CURL_TIMEOUT_DEFAULT);
if (s->timeout > CURL_TIMEOUT_MAX) {
error_setg(errp, "timeout parameter is too large or negative");
goto out_noclean;
}
s->sslverify = qemu_opt_get_bool(opts, CURL_BLOCK_OPT_SSLVERIFY, true);
cookie = qemu_opt_get(opts, CURL_BLOCK_OPT_COOKIE);
cookie_secret = qemu_opt_get(opts, CURL_BLOCK_OPT_COOKIE_SECRET);
if (cookie && cookie_secret) {
error_setg(errp,
"curl driver cannot handle both cookie and cookie secret");
goto out_noclean;
}
if (cookie_secret) {
s->cookie = qcrypto_secret_lookup_as_utf8(cookie_secret, errp);
if (!s->cookie) {
goto out_noclean;
}
} else {
s->cookie = g_strdup(cookie);
}
file = qemu_opt_get(opts, CURL_BLOCK_OPT_URL);
if (file == NULL) {
error_setg(errp, "curl block driver requires an 'url' option");
goto out_noclean;
}
if (!strstart(file, bs->drv->protocol_name, &protocol_delimiter) ||
!strstart(protocol_delimiter, "://", NULL))
{
error_setg(errp, "%s curl driver cannot handle the URL '%s' (does not "
"start with '%s://')", bs->drv->protocol_name, file,
bs->drv->protocol_name);
goto out_noclean;
}
s->username = g_strdup(qemu_opt_get(opts, CURL_BLOCK_OPT_USERNAME));
secretid = qemu_opt_get(opts, CURL_BLOCK_OPT_PASSWORD_SECRET);
if (secretid) {
s->password = qcrypto_secret_lookup_as_utf8(secretid, errp);
if (!s->password) {
goto out_noclean;
}
}
s->proxyusername = g_strdup(
qemu_opt_get(opts, CURL_BLOCK_OPT_PROXY_USERNAME));
secretid = qemu_opt_get(opts, CURL_BLOCK_OPT_PROXY_PASSWORD_SECRET);
if (secretid) {
s->proxypassword = qcrypto_secret_lookup_as_utf8(secretid, errp);
if (!s->proxypassword) {
goto out_noclean;
}
}
if (!inited) {
curl_global_init(CURL_GLOBAL_ALL);
inited = 1;
}
DPRINTF("CURL: Opening %s\n", file);
QSIMPLEQ_INIT(&s->free_state_waitq);
s->aio_context = bdrv_get_aio_context(bs);
s->url = g_strdup(file);
qemu_mutex_lock(&s->mutex);
state = curl_find_state(s);
qemu_mutex_unlock(&s->mutex);
if (!state) {
goto out_noclean;
}
// Get file size
if (curl_init_state(s, state) < 0) {
goto out;
}
s->accept_range = false;
curl_easy_setopt(state->curl, CURLOPT_NOBODY, 1);
curl_easy_setopt(state->curl, CURLOPT_HEADERFUNCTION,
curl_header_cb);
curl_easy_setopt(state->curl, CURLOPT_HEADERDATA, s);
if (curl_easy_perform(state->curl))
goto out;
if (curl_easy_getinfo(state->curl, CURLINFO_CONTENT_LENGTH_DOWNLOAD, &d)) {
goto out;
}
/* Prior CURL 7.19.4 return value of 0 could mean that the file size is not
* know or the size is zero. From 7.19.4 CURL returns -1 if size is not
* known and zero if it is realy zero-length file. */
#if LIBCURL_VERSION_NUM >= 0x071304
if (d < 0) {
pstrcpy(state->errmsg, CURL_ERROR_SIZE,
"Server didn't report file size.");
goto out;
}
#else
if (d <= 0) {
pstrcpy(state->errmsg, CURL_ERROR_SIZE,
"Unknown file size or zero-length file.");
goto out;
}
#endif
s->len = d;
if ((!strncasecmp(s->url, "http://", strlen("http://"))
|| !strncasecmp(s->url, "https://", strlen("https://")))
&& !s->accept_range) {
pstrcpy(state->errmsg, CURL_ERROR_SIZE,
"Server does not support 'range' (byte ranges).");
goto out;
}
DPRINTF("CURL: Size = %" PRIu64 "\n", s->len);
qemu_mutex_lock(&s->mutex);
curl_clean_state(state);
qemu_mutex_unlock(&s->mutex);
curl_easy_cleanup(state->curl);
state->curl = NULL;
curl_attach_aio_context(bs, bdrv_get_aio_context(bs));
qemu_opts_del(opts);
return 0;
out:
error_setg(errp, "CURL: Error opening file: %s", state->errmsg);
curl_easy_cleanup(state->curl);
state->curl = NULL;
out_noclean:
qemu_mutex_destroy(&s->mutex);
g_free(s->cookie);
g_free(s->url);
qemu_opts_del(opts);
return -EINVAL;
}
| 2,154 |
FFmpeg | ef363ebd596da18f889a7d4845023a23dfac84c9 | 0 | static void mp3_write_xing(AVFormatContext *s)
{
MP3Context *mp3 = s->priv_data;
AVCodecContext *codec = s->streams[mp3->audio_stream_idx]->codec;
int32_t header;
MPADecodeHeader mpah;
int srate_idx, i, channels;
int bitrate_idx;
int best_bitrate_idx;
int best_bitrate_error = INT_MAX;
int xing_offset;
int ver = 0;
int lsf, bytes_needed;
if (!s->pb->seekable || !mp3->write_xing)
return;
for (i = 0; i < FF_ARRAY_ELEMS(avpriv_mpa_freq_tab); i++) {
const uint16_t base_freq = avpriv_mpa_freq_tab[i];
if (codec->sample_rate == base_freq) ver = 0x3; // MPEG 1
else if (codec->sample_rate == base_freq / 2) ver = 0x2; // MPEG 2
else if (codec->sample_rate == base_freq / 4) ver = 0x0; // MPEG 2.5
else continue;
srate_idx = i;
break;
}
if (i == FF_ARRAY_ELEMS(avpriv_mpa_freq_tab)) {
av_log(s, AV_LOG_WARNING, "Unsupported sample rate, not writing Xing "
"header.\n");
return;
}
switch (codec->channels) {
case 1: channels = MPA_MONO; break;
case 2: channels = MPA_STEREO; break;
default: av_log(s, AV_LOG_WARNING, "Unsupported number of channels, "
"not writing Xing header.\n");
return;
}
/* dummy MPEG audio header */
header = 0xff << 24; // sync
header |= (0x7 << 5 | ver << 3 | 0x1 << 1 | 0x1) << 16; // sync/audio-version/layer 3/no crc*/
header |= (srate_idx << 2) << 8;
header |= channels << 6;
lsf = !((header & (1 << 20) && header & (1 << 19)));
xing_offset = xing_offtbl[ver != 3][channels == 1];
bytes_needed = 4 // header
+ xing_offset
+ 4 // xing tag
+ 4 // frames/size/toc flags
+ 4 // frames
+ 4 // size
+ XING_TOC_SIZE; // toc
for (bitrate_idx = 1; bitrate_idx < 15; bitrate_idx++) {
int bit_rate = 1000 * avpriv_mpa_bitrate_tab[lsf][3 - 1][bitrate_idx];
int error = FFABS(bit_rate - codec->bit_rate);
if (error < best_bitrate_error){
best_bitrate_error = error;
best_bitrate_idx = bitrate_idx;
}
}
for (bitrate_idx = best_bitrate_idx; bitrate_idx < 15; bitrate_idx++) {
int32_t mask = bitrate_idx << (4 + 8);
header |= mask;
avpriv_mpegaudio_decode_header(&mpah, header);
if (bytes_needed <= mpah.frame_size)
break;
header &= ~mask;
}
avio_wb32(s->pb, header);
avpriv_mpegaudio_decode_header(&mpah, header);
av_assert0(mpah.frame_size >= XING_MAX_SIZE);
ffio_fill(s->pb, 0, xing_offset);
mp3->xing_offset = avio_tell(s->pb);
ffio_wfourcc(s->pb, "Xing");
avio_wb32(s->pb, 0x01 | 0x02 | 0x04); // frames / size / TOC
mp3->size = mpah.frame_size;
mp3->want = 1;
avio_wb32(s->pb, 0); // frames
avio_wb32(s->pb, 0); // size
// TOC
for (i = 0; i < XING_TOC_SIZE; i++)
avio_w8(s->pb, 255 * i / XING_TOC_SIZE);
ffio_fill(s->pb, 0, mpah.frame_size - bytes_needed);
}
| 2,155 |
FFmpeg | d2bc04738b842169b6e32160ffa81db9c868eec4 | 0 | static int flashsv_encode_frame(AVCodecContext *avctx, uint8_t *buf, int buf_size, void *data)
{
FlashSVContext * const s = avctx->priv_data;
AVFrame *pict = data;
AVFrame * const p = &s->frame;
int res;
int I_frame = 0;
int opt_w, opt_h;
*p = *pict;
/* First frame needs to be a keyframe */
if (avctx->frame_number == 0) {
s->previous_frame = av_mallocz(p->linesize[0]*s->image_height);
if (!s->previous_frame) {
av_log(avctx, AV_LOG_ERROR, "Memory allocation failed.\n");
return -1;
}
I_frame = 1;
}
/* Check the placement of keyframes */
if (avctx->gop_size > 0) {
if (avctx->frame_number >= s->last_key_frame + avctx->gop_size) {
I_frame = 1;
}
}
#if 0
int w, h;
int optim_sizes[16][16];
int smallest_size;
//Try all possible combinations and store the encoded frame sizes
for (w=1 ; w<17 ; w++) {
for (h=1 ; h<17 ; h++) {
optim_sizes[w-1][h-1] = encode_bitstream(s, p, s->encbuffer, s->image_width*s->image_height*4, w*16, h*16, s->previous_frame);
//av_log(avctx, AV_LOG_ERROR, "[%d][%d]size = %d\n",w,h,optim_sizes[w-1][h-1]);
}
}
//Search for the smallest framesize and encode the frame with those parameters
smallest_size=optim_sizes[0][0];
opt_w = 0;
opt_h = 0;
for (w=0 ; w<16 ; w++) {
for (h=0 ; h<16 ; h++) {
if (optim_sizes[w][h] < smallest_size) {
smallest_size = optim_sizes[w][h];
opt_w = w;
opt_h = h;
}
}
}
res = encode_bitstream(s, p, buf, buf_size, (opt_w+1)*16, (opt_h+1)*16, s->previous_frame);
av_log(avctx, AV_LOG_ERROR, "[%d][%d]optimal size = %d, res = %d|\n", opt_w, opt_h, smallest_size, res);
if (buf_size < res)
av_log(avctx, AV_LOG_ERROR, "buf_size %d < res %d\n", buf_size, res);
#else
opt_w=1;
opt_h=1;
if (buf_size < s->image_width*s->image_height*3) {
//Conservative upper bound check for compressed data
av_log(avctx, AV_LOG_ERROR, "buf_size %d < %d\n", buf_size, s->image_width*s->image_height*3);
return -1;
}
res = encode_bitstream(s, p, buf, buf_size, opt_w*16, opt_h*16, s->previous_frame, &I_frame);
#endif
//save the current frame
memcpy(s->previous_frame, p->data[0], s->image_height*p->linesize[0]);
//mark the frame type so the muxer can mux it correctly
if (I_frame) {
p->pict_type = FF_I_TYPE;
p->key_frame = 1;
s->last_key_frame = avctx->frame_number;
av_log(avctx, AV_LOG_DEBUG, "Inserting key frame at frame %d\n",avctx->frame_number);
} else {
p->pict_type = FF_P_TYPE;
p->key_frame = 0;
}
avctx->coded_frame = p;
return res;
}
| 2,156 |
FFmpeg | 745f4bcc2c1deaa562cce01fa52e38b0220aed31 | 0 | static void draw_bar(TestSourceContext *test, const uint8_t color[4],
int x, int y, int w, int h,
AVFrame *frame)
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
uint8_t *p, *p0;
int plane;
x = FFMIN(x, test->w - 1);
y = FFMIN(y, test->h - 1);
w = FFMIN(w, test->w - x);
h = FFMIN(h, test->h - y);
av_assert0(x + w <= test->w);
av_assert0(y + h <= test->h);
for (plane = 0; frame->data[plane]; plane++) {
const int c = color[plane];
const int linesize = frame->linesize[plane];
int i, px, py, pw, ph;
if (plane == 1 || plane == 2) {
px = x >> desc->log2_chroma_w;
pw = AV_CEIL_RSHIFT(w, desc->log2_chroma_w);
py = y >> desc->log2_chroma_h;
ph = AV_CEIL_RSHIFT(h, desc->log2_chroma_h);
} else {
px = x;
pw = w;
py = y;
ph = h;
}
p0 = p = frame->data[plane] + py * linesize + px;
memset(p, c, pw);
p += linesize;
for (i = 1; i < ph; i++, p += linesize)
memcpy(p, p0, pw);
}
}
| 2,159 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static void set_kernel_args_old(const struct arm_boot_info *info)
{
target_phys_addr_t p;
const char *s;
int initrd_size = info->initrd_size;
target_phys_addr_t base = info->loader_start;
/* see linux/include/asm-arm/setup.h */
p = base + KERNEL_ARGS_ADDR;
/* page_size */
WRITE_WORD(p, 4096);
/* nr_pages */
WRITE_WORD(p, info->ram_size / 4096);
/* ramdisk_size */
WRITE_WORD(p, 0);
#define FLAG_READONLY 1
#define FLAG_RDLOAD 4
#define FLAG_RDPROMPT 8
/* flags */
WRITE_WORD(p, FLAG_READONLY | FLAG_RDLOAD | FLAG_RDPROMPT);
/* rootdev */
WRITE_WORD(p, (31 << 8) | 0); /* /dev/mtdblock0 */
/* video_num_cols */
WRITE_WORD(p, 0);
/* video_num_rows */
WRITE_WORD(p, 0);
/* video_x */
WRITE_WORD(p, 0);
/* video_y */
WRITE_WORD(p, 0);
/* memc_control_reg */
WRITE_WORD(p, 0);
/* unsigned char sounddefault */
/* unsigned char adfsdrives */
/* unsigned char bytes_per_char_h */
/* unsigned char bytes_per_char_v */
WRITE_WORD(p, 0);
/* pages_in_bank[4] */
WRITE_WORD(p, 0);
WRITE_WORD(p, 0);
WRITE_WORD(p, 0);
WRITE_WORD(p, 0);
/* pages_in_vram */
WRITE_WORD(p, 0);
/* initrd_start */
if (initrd_size)
WRITE_WORD(p, info->loader_start + INITRD_LOAD_ADDR);
else
WRITE_WORD(p, 0);
/* initrd_size */
WRITE_WORD(p, initrd_size);
/* rd_start */
WRITE_WORD(p, 0);
/* system_rev */
WRITE_WORD(p, 0);
/* system_serial_low */
WRITE_WORD(p, 0);
/* system_serial_high */
WRITE_WORD(p, 0);
/* mem_fclk_21285 */
WRITE_WORD(p, 0);
/* zero unused fields */
while (p < base + KERNEL_ARGS_ADDR + 256 + 1024) {
WRITE_WORD(p, 0);
}
s = info->kernel_cmdline;
if (s) {
cpu_physical_memory_write(p, (void *)s, strlen(s) + 1);
} else {
WRITE_WORD(p, 0);
}
}
| 2,161 |
qemu | 621ff94d5074d88253a5818c6b9c4db718fbfc65 | 0 | static void virtio_ccw_net_realize(VirtioCcwDevice *ccw_dev, Error **errp)
{
DeviceState *qdev = DEVICE(ccw_dev);
VirtIONetCcw *dev = VIRTIO_NET_CCW(ccw_dev);
DeviceState *vdev = DEVICE(&dev->vdev);
Error *err = NULL;
virtio_net_set_netclient_name(&dev->vdev, qdev->id,
object_get_typename(OBJECT(qdev)));
qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
object_property_set_bool(OBJECT(vdev), true, "realized", &err);
if (err) {
error_propagate(errp, err);
}
}
| 2,162 |
qemu | 4a1418e07bdcfaa3177739e04707ecaec75d89e1 | 0 | uint8_t cpu_inb(CPUState *env, pio_addr_t addr)
{
uint8_t val;
val = ioport_read(0, addr);
LOG_IOPORT("inb : %04"FMT_pioaddr" %02"PRIx8"\n", addr, val);
#ifdef CONFIG_KQEMU
if (env)
env->last_io_time = cpu_get_time_fast();
#endif
return val;
}
| 2,163 |
qemu | ec0e68ef1da316b3ead1943d8f607cc68b13e0d1 | 0 | static void zynq_init(QEMUMachineInitArgs *args)
{
ram_addr_t ram_size = args->ram_size;
const char *cpu_model = args->cpu_model;
const char *kernel_filename = args->kernel_filename;
const char *kernel_cmdline = args->kernel_cmdline;
const char *initrd_filename = args->initrd_filename;
ObjectClass *cpu_oc;
ARMCPU *cpu;
MemoryRegion *address_space_mem = get_system_memory();
MemoryRegion *ext_ram = g_new(MemoryRegion, 1);
MemoryRegion *ocm_ram = g_new(MemoryRegion, 1);
DeviceState *dev;
SysBusDevice *busdev;
qemu_irq pic[64];
NICInfo *nd;
Error *err = NULL;
int n;
if (!cpu_model) {
cpu_model = "cortex-a9";
}
cpu_oc = cpu_class_by_name(TYPE_ARM_CPU, cpu_model);
cpu = ARM_CPU(object_new(object_class_get_name(cpu_oc)));
object_property_set_int(OBJECT(cpu), MPCORE_PERIPHBASE, "reset-cbar", &err);
if (err) {
error_report("%s", error_get_pretty(err));
exit(1);
}
object_property_set_bool(OBJECT(cpu), true, "realized", &err);
if (err) {
error_report("%s", error_get_pretty(err));
exit(1);
}
/* max 2GB ram */
if (ram_size > 0x80000000) {
ram_size = 0x80000000;
}
/* DDR remapped to address zero. */
memory_region_init_ram(ext_ram, NULL, "zynq.ext_ram", ram_size);
vmstate_register_ram_global(ext_ram);
memory_region_add_subregion(address_space_mem, 0, ext_ram);
/* 256K of on-chip memory */
memory_region_init_ram(ocm_ram, NULL, "zynq.ocm_ram", 256 << 10);
vmstate_register_ram_global(ocm_ram);
memory_region_add_subregion(address_space_mem, 0xFFFC0000, ocm_ram);
DriveInfo *dinfo = drive_get(IF_PFLASH, 0, 0);
/* AMD */
pflash_cfi02_register(0xe2000000, NULL, "zynq.pflash", FLASH_SIZE,
dinfo ? dinfo->bdrv : NULL, FLASH_SECTOR_SIZE,
FLASH_SIZE/FLASH_SECTOR_SIZE, 1,
1, 0x0066, 0x0022, 0x0000, 0x0000, 0x0555, 0x2aa,
0);
dev = qdev_create(NULL, "xilinx,zynq_slcr");
qdev_init_nofail(dev);
sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0xF8000000);
dev = qdev_create(NULL, "a9mpcore_priv");
qdev_prop_set_uint32(dev, "num-cpu", 1);
qdev_init_nofail(dev);
busdev = SYS_BUS_DEVICE(dev);
sysbus_mmio_map(busdev, 0, MPCORE_PERIPHBASE);
sysbus_connect_irq(busdev, 0,
qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_IRQ));
for (n = 0; n < 64; n++) {
pic[n] = qdev_get_gpio_in(dev, n);
}
zynq_init_spi_flashes(0xE0006000, pic[58-IRQ_OFFSET], false);
zynq_init_spi_flashes(0xE0007000, pic[81-IRQ_OFFSET], false);
zynq_init_spi_flashes(0xE000D000, pic[51-IRQ_OFFSET], true);
sysbus_create_simple("xlnx,ps7-usb", 0xE0002000, pic[53-IRQ_OFFSET]);
sysbus_create_simple("xlnx,ps7-usb", 0xE0003000, pic[76-IRQ_OFFSET]);
sysbus_create_simple("cadence_uart", 0xE0000000, pic[59-IRQ_OFFSET]);
sysbus_create_simple("cadence_uart", 0xE0001000, pic[82-IRQ_OFFSET]);
sysbus_create_varargs("cadence_ttc", 0xF8001000,
pic[42-IRQ_OFFSET], pic[43-IRQ_OFFSET], pic[44-IRQ_OFFSET], NULL);
sysbus_create_varargs("cadence_ttc", 0xF8002000,
pic[69-IRQ_OFFSET], pic[70-IRQ_OFFSET], pic[71-IRQ_OFFSET], NULL);
for (n = 0; n < nb_nics; n++) {
nd = &nd_table[n];
if (n == 0) {
gem_init(nd, 0xE000B000, pic[54-IRQ_OFFSET]);
} else if (n == 1) {
gem_init(nd, 0xE000C000, pic[77-IRQ_OFFSET]);
}
}
dev = qdev_create(NULL, "generic-sdhci");
qdev_init_nofail(dev);
sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0xE0100000);
sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[56-IRQ_OFFSET]);
dev = qdev_create(NULL, "generic-sdhci");
qdev_init_nofail(dev);
sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0xE0101000);
sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[79-IRQ_OFFSET]);
dev = qdev_create(NULL, "pl330");
qdev_prop_set_uint8(dev, "num_chnls", 8);
qdev_prop_set_uint8(dev, "num_periph_req", 4);
qdev_prop_set_uint8(dev, "num_events", 16);
qdev_prop_set_uint8(dev, "data_width", 64);
qdev_prop_set_uint8(dev, "wr_cap", 8);
qdev_prop_set_uint8(dev, "wr_q_dep", 16);
qdev_prop_set_uint8(dev, "rd_cap", 8);
qdev_prop_set_uint8(dev, "rd_q_dep", 16);
qdev_prop_set_uint16(dev, "data_buffer_dep", 256);
qdev_init_nofail(dev);
busdev = SYS_BUS_DEVICE(dev);
sysbus_mmio_map(busdev, 0, 0xF8003000);
sysbus_connect_irq(busdev, 0, pic[45-IRQ_OFFSET]); /* abort irq line */
for (n = 0; n < 8; ++n) { /* event irqs */
sysbus_connect_irq(busdev, n + 1, pic[dma_irqs[n] - IRQ_OFFSET]);
}
zynq_binfo.ram_size = ram_size;
zynq_binfo.kernel_filename = kernel_filename;
zynq_binfo.kernel_cmdline = kernel_cmdline;
zynq_binfo.initrd_filename = initrd_filename;
zynq_binfo.nb_cpus = 1;
zynq_binfo.board_id = 0xd32;
zynq_binfo.loader_start = 0;
arm_load_kernel(ARM_CPU(first_cpu), &zynq_binfo);
}
| 2,164 |
FFmpeg | bcd7bf7eeb09a395cc01698842d1b8be9af483fc | 0 | static void avc_wgt_16width_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;
v16u8 zero = { 0 };
v16u8 src0, src1, src2, src3;
v16u8 dst0, dst1, dst2, dst3;
v8u16 src0_l, src1_l, src2_l, src3_l;
v8u16 src0_r, src1_r, src2_r, src3_r;
v8u16 temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
v8u16 wgt, denom, offset;
offset_in <<= (log2_denom);
if (log2_denom) {
offset_in += (1 << (log2_denom - 1));
}
wgt = (v8u16) __msa_fill_h(src_weight);
offset = (v8u16) __msa_fill_h(offset_in);
denom = (v8u16) __msa_fill_h(log2_denom);
for (cnt = height / 4; cnt--;) {
LOAD_4VECS_UB(data, stride, src0, src1, src2, src3);
ILV_B_LRLR_UH(src0, zero, src1, zero, src0_l, src0_r, src1_l, src1_r);
ILV_B_LRLR_UH(src2, zero, src3, zero, src2_l, src2_r, src3_l, src3_r);
temp0 = wgt * src0_r;
temp1 = wgt * src0_l;
temp2 = wgt * src1_r;
temp3 = wgt * src1_l;
temp4 = wgt * src2_r;
temp5 = wgt * src2_l;
temp6 = wgt * src3_r;
temp7 = wgt * src3_l;
ADDS_S_H_4VECS_UH(temp0, offset, temp1, offset,
temp2, offset, temp3, offset,
temp0, temp1, temp2, temp3);
ADDS_S_H_4VECS_UH(temp4, offset, temp5, offset,
temp6, offset, temp7, offset,
temp4, temp5, temp6, temp7);
MAXI_S_H_4VECS_UH(temp0, temp1, temp2, temp3, 0);
MAXI_S_H_4VECS_UH(temp4, temp5, temp6, temp7, 0);
SRL_H_4VECS_UH(temp0, temp1, temp2, temp3,
temp0, temp1, temp2, temp3, denom);
SRL_H_4VECS_UH(temp4, temp5, temp6, temp7,
temp4, temp5, temp6, temp7, denom);
SAT_U_H_4VECS_UH(temp0, temp1, temp2, temp3, 7);
SAT_U_H_4VECS_UH(temp4, temp5, temp6, temp7, 7);
PCKEV_B_4VECS_UB(temp1, temp3, temp5, temp7, temp0, temp2, temp4, temp6,
dst0, dst1, dst2, dst3);
STORE_4VECS_UB(data, stride, dst0, dst1, dst2, dst3);
data += 4 * stride;
}
}
| 2,165 |
qemu | c76c8416be5631dfdbd13799d3c67ad670637155 | 0 | static void mem_info_pae32(Monitor *mon, CPUState *env)
{
unsigned int l1, l2, l3;
int prot, last_prot;
uint64_t pdpe, pde, pte;
uint64_t pdp_addr, pd_addr, pt_addr;
target_phys_addr_t start, end;
pdp_addr = env->cr[3] & ~0x1f;
last_prot = 0;
start = -1;
for (l1 = 0; l1 < 4; l1++) {
cpu_physical_memory_read(pdp_addr + l1 * 8, &pdpe, 8);
pdpe = le64_to_cpu(pdpe);
end = l1 << 30;
if (pdpe & PG_PRESENT_MASK) {
pd_addr = pdpe & 0x3fffffffff000ULL;
for (l2 = 0; l2 < 512; l2++) {
cpu_physical_memory_read(pd_addr + l2 * 8, &pde, 8);
pde = le64_to_cpu(pde);
end = (l1 << 30) + (l2 << 21);
if (pde & PG_PRESENT_MASK) {
if (pde & PG_PSE_MASK) {
prot = pde & (PG_USER_MASK | PG_RW_MASK |
PG_PRESENT_MASK);
mem_print(mon, &start, &last_prot, end, prot);
} else {
pt_addr = pde & 0x3fffffffff000ULL;
for (l3 = 0; l3 < 512; l3++) {
cpu_physical_memory_read(pt_addr + l3 * 8, &pte, 8);
pte = le64_to_cpu(pte);
end = (l1 << 30) + (l2 << 21) + (l3 << 12);
if (pte & PG_PRESENT_MASK) {
prot = pte & (PG_USER_MASK | PG_RW_MASK |
PG_PRESENT_MASK);
} else {
prot = 0;
}
mem_print(mon, &start, &last_prot, end, prot);
}
}
} else {
prot = 0;
mem_print(mon, &start, &last_prot, end, prot);
}
}
} else {
prot = 0;
mem_print(mon, &start, &last_prot, end, prot);
}
}
/* Flush last range */
mem_print(mon, &start, &last_prot, (target_phys_addr_t)1 << 32, 0);
}
| 2,166 |
qemu | 7385aed20db5d83979f683b9d0048674411e963c | 0 | int64_t helper_fdtox(CPUSPARCState *env, float64 src)
{
int64_t ret;
clear_float_exceptions(env);
ret = float64_to_int64_round_to_zero(src, &env->fp_status);
check_ieee_exceptions(env);
return ret;
}
| 2,167 |
qemu | 42a268c241183877192c376d03bd9b6d527407c7 | 0 | static inline void gen_op_jz_ecx(TCGMemOp size, int label1)
{
tcg_gen_mov_tl(cpu_tmp0, cpu_regs[R_ECX]);
gen_extu(size, cpu_tmp0);
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_tmp0, 0, label1);
}
| 2,168 |
qemu | e3807054e20fb3b94d18cb751c437ee2f43b6fac | 0 | void qemu_ram_foreach_block(RAMBlockIterFunc func, void *opaque)
{
RAMBlock *block;
rcu_read_lock();
QLIST_FOREACH_RCU(block, &ram_list.blocks, next) {
func(block->host, block->offset, block->used_length, opaque);
}
rcu_read_unlock();
}
| 2,169 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static uint64_t exynos4210_pwm_read(void *opaque, target_phys_addr_t offset,
unsigned size)
{
Exynos4210PWMState *s = (Exynos4210PWMState *)opaque;
uint32_t value = 0;
int index;
switch (offset) {
case TCFG0: case TCFG1:
index = (offset - TCFG0) >> 2;
value = s->reg_tcfg[index];
break;
case TCON:
value = s->reg_tcon;
break;
case TCNTB0: case TCNTB1:
case TCNTB2: case TCNTB3: case TCNTB4:
index = (offset - TCNTB0) / 0xC;
value = s->timer[index].reg_tcntb;
break;
case TCMPB0: case TCMPB1:
case TCMPB2: case TCMPB3:
index = (offset - TCMPB0) / 0xC;
value = s->timer[index].reg_tcmpb;
break;
case TCNTO0: case TCNTO1:
case TCNTO2: case TCNTO3: case TCNTO4:
index = (offset == TCNTO4) ? 4 : (offset - TCNTO0) / 0xC;
value = ptimer_get_count(s->timer[index].ptimer);
break;
case TINT_CSTAT:
value = s->reg_tint_cstat;
break;
default:
fprintf(stderr,
"[exynos4210.pwm: bad read offset " TARGET_FMT_plx "]\n",
offset);
break;
}
return value;
}
| 2,170 |
qemu | b09ea7d55cfab5a75912bb56ed1fcd757604a759 | 0 | static void apic_init_ipi(APICState *s)
{
int i;
s->tpr = 0;
s->spurious_vec = 0xff;
s->log_dest = 0;
s->dest_mode = 0xf;
memset(s->isr, 0, sizeof(s->isr));
memset(s->tmr, 0, sizeof(s->tmr));
memset(s->irr, 0, sizeof(s->irr));
for(i = 0; i < APIC_LVT_NB; i++)
s->lvt[i] = 1 << 16; /* mask LVT */
s->esr = 0;
memset(s->icr, 0, sizeof(s->icr));
s->divide_conf = 0;
s->count_shift = 0;
s->initial_count = 0;
s->initial_count_load_time = 0;
s->next_time = 0;
cpu_reset(s->cpu_env);
s->cpu_env->halted = !(s->apicbase & MSR_IA32_APICBASE_BSP);
}
| 2,171 |
qemu | 8297be80f7cf71e09617669a8bd8b2836dcfd4c3 | 0 | static void init_ppc_proc(PowerPCCPU *cpu)
{
PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu);
CPUPPCState *env = &cpu->env;
#if !defined(CONFIG_USER_ONLY)
int i;
env->irq_inputs = NULL;
/* Set all exception vectors to an invalid address */
for (i = 0; i < POWERPC_EXCP_NB; i++)
env->excp_vectors[i] = (target_ulong)(-1ULL);
env->ivor_mask = 0x00000000;
env->ivpr_mask = 0x00000000;
/* Default MMU definitions */
env->nb_BATs = 0;
env->nb_tlb = 0;
env->nb_ways = 0;
env->tlb_type = TLB_NONE;
#endif
/* Register SPR common to all PowerPC implementations */
gen_spr_generic(env);
spr_register(env, SPR_PVR, "PVR",
/* Linux permits userspace to read PVR */
#if defined(CONFIG_LINUX_USER)
&spr_read_generic,
#else
SPR_NOACCESS,
#endif
SPR_NOACCESS,
&spr_read_generic, SPR_NOACCESS,
pcc->pvr);
/* Register SVR if it's defined to anything else than POWERPC_SVR_NONE */
if (pcc->svr != POWERPC_SVR_NONE) {
if (pcc->svr & POWERPC_SVR_E500) {
spr_register(env, SPR_E500_SVR, "SVR",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, SPR_NOACCESS,
pcc->svr & ~POWERPC_SVR_E500);
} else {
spr_register(env, SPR_SVR, "SVR",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, SPR_NOACCESS,
pcc->svr);
}
}
/* PowerPC implementation specific initialisations (SPRs, timers, ...) */
(*pcc->init_proc)(env);
/* MSR bits & flags consistency checks */
if (env->msr_mask & (1 << 25)) {
switch (env->flags & (POWERPC_FLAG_SPE | POWERPC_FLAG_VRE)) {
case POWERPC_FLAG_SPE:
case POWERPC_FLAG_VRE:
break;
default:
fprintf(stderr, "PowerPC MSR definition inconsistency\n"
"Should define POWERPC_FLAG_SPE or POWERPC_FLAG_VRE\n");
exit(1);
}
} else if (env->flags & (POWERPC_FLAG_SPE | POWERPC_FLAG_VRE)) {
fprintf(stderr, "PowerPC MSR definition inconsistency\n"
"Should not define POWERPC_FLAG_SPE nor POWERPC_FLAG_VRE\n");
exit(1);
}
if (env->msr_mask & (1 << 17)) {
switch (env->flags & (POWERPC_FLAG_TGPR | POWERPC_FLAG_CE)) {
case POWERPC_FLAG_TGPR:
case POWERPC_FLAG_CE:
break;
default:
fprintf(stderr, "PowerPC MSR definition inconsistency\n"
"Should define POWERPC_FLAG_TGPR or POWERPC_FLAG_CE\n");
exit(1);
}
} else if (env->flags & (POWERPC_FLAG_TGPR | POWERPC_FLAG_CE)) {
fprintf(stderr, "PowerPC MSR definition inconsistency\n"
"Should not define POWERPC_FLAG_TGPR nor POWERPC_FLAG_CE\n");
exit(1);
}
if (env->msr_mask & (1 << 10)) {
switch (env->flags & (POWERPC_FLAG_SE | POWERPC_FLAG_DWE |
POWERPC_FLAG_UBLE)) {
case POWERPC_FLAG_SE:
case POWERPC_FLAG_DWE:
case POWERPC_FLAG_UBLE:
break;
default:
fprintf(stderr, "PowerPC MSR definition inconsistency\n"
"Should define POWERPC_FLAG_SE or POWERPC_FLAG_DWE or "
"POWERPC_FLAG_UBLE\n");
exit(1);
}
} else if (env->flags & (POWERPC_FLAG_SE | POWERPC_FLAG_DWE |
POWERPC_FLAG_UBLE)) {
fprintf(stderr, "PowerPC MSR definition inconsistency\n"
"Should not define POWERPC_FLAG_SE nor POWERPC_FLAG_DWE nor "
"POWERPC_FLAG_UBLE\n");
exit(1);
}
if (env->msr_mask & (1 << 9)) {
switch (env->flags & (POWERPC_FLAG_BE | POWERPC_FLAG_DE)) {
case POWERPC_FLAG_BE:
case POWERPC_FLAG_DE:
break;
default:
fprintf(stderr, "PowerPC MSR definition inconsistency\n"
"Should define POWERPC_FLAG_BE or POWERPC_FLAG_DE\n");
exit(1);
}
} else if (env->flags & (POWERPC_FLAG_BE | POWERPC_FLAG_DE)) {
fprintf(stderr, "PowerPC MSR definition inconsistency\n"
"Should not define POWERPC_FLAG_BE nor POWERPC_FLAG_DE\n");
exit(1);
}
if (env->msr_mask & (1 << 2)) {
switch (env->flags & (POWERPC_FLAG_PX | POWERPC_FLAG_PMM)) {
case POWERPC_FLAG_PX:
case POWERPC_FLAG_PMM:
break;
default:
fprintf(stderr, "PowerPC MSR definition inconsistency\n"
"Should define POWERPC_FLAG_PX or POWERPC_FLAG_PMM\n");
exit(1);
}
} else if (env->flags & (POWERPC_FLAG_PX | POWERPC_FLAG_PMM)) {
fprintf(stderr, "PowerPC MSR definition inconsistency\n"
"Should not define POWERPC_FLAG_PX nor POWERPC_FLAG_PMM\n");
exit(1);
}
if ((env->flags & (POWERPC_FLAG_RTC_CLK | POWERPC_FLAG_BUS_CLK)) == 0) {
fprintf(stderr, "PowerPC flags inconsistency\n"
"Should define the time-base and decrementer clock source\n");
exit(1);
}
/* Allocate TLBs buffer when needed */
#if !defined(CONFIG_USER_ONLY)
if (env->nb_tlb != 0) {
int nb_tlb = env->nb_tlb;
if (env->id_tlbs != 0)
nb_tlb *= 2;
switch (env->tlb_type) {
case TLB_6XX:
env->tlb.tlb6 = g_malloc0(nb_tlb * sizeof(ppc6xx_tlb_t));
break;
case TLB_EMB:
env->tlb.tlbe = g_malloc0(nb_tlb * sizeof(ppcemb_tlb_t));
break;
case TLB_MAS:
env->tlb.tlbm = g_malloc0(nb_tlb * sizeof(ppcmas_tlb_t));
break;
}
/* Pre-compute some useful values */
env->tlb_per_way = env->nb_tlb / env->nb_ways;
}
if (env->irq_inputs == NULL) {
fprintf(stderr, "WARNING: no internal IRQ controller registered.\n"
" Attempt QEMU to crash very soon !\n");
}
#endif
if (env->check_pow == NULL) {
fprintf(stderr, "WARNING: no power management check handler "
"registered.\n"
" Attempt QEMU to crash very soon !\n");
}
}
| 2,172 |
qemu | ddcd55316fb2851e144e719171621ad2816487dc | 0 | static int set_boot_dev(ISADevice *s, const char *boot_device)
{
#define PC_MAX_BOOT_DEVICES 3
int nbds, bds[3] = { 0, };
int i;
nbds = strlen(boot_device);
if (nbds > PC_MAX_BOOT_DEVICES) {
error_report("Too many boot devices for PC");
return(1);
}
for (i = 0; i < nbds; i++) {
bds[i] = boot_device2nibble(boot_device[i]);
if (bds[i] == 0) {
error_report("Invalid boot device for PC: '%c'",
boot_device[i]);
return(1);
}
}
rtc_set_memory(s, 0x3d, (bds[1] << 4) | bds[0]);
rtc_set_memory(s, 0x38, (bds[2] << 4) | (fd_bootchk ? 0x0 : 0x1));
return(0);
}
| 2,173 |
qemu | 94c2b6aff43cdfcfdfb552773a6b6b973a72ef0b | 0 | static int64_t load_kernel (void)
{
int64_t kernel_entry, kernel_high;
long initrd_size;
ram_addr_t initrd_offset;
int big_endian;
uint32_t *prom_buf;
long prom_size;
int prom_index = 0;
#ifdef TARGET_WORDS_BIGENDIAN
big_endian = 1;
#else
big_endian = 0;
#endif
if (load_elf(loaderparams.kernel_filename, cpu_mips_kseg0_to_phys, NULL,
(uint64_t *)&kernel_entry, NULL, (uint64_t *)&kernel_high,
big_endian, ELF_MACHINE, 1) < 0) {
fprintf(stderr, "qemu: could not load kernel '%s'\n",
loaderparams.kernel_filename);
exit(1);
}
/* load initrd */
initrd_size = 0;
initrd_offset = 0;
if (loaderparams.initrd_filename) {
initrd_size = get_image_size (loaderparams.initrd_filename);
if (initrd_size > 0) {
initrd_offset = (kernel_high + ~INITRD_PAGE_MASK) & INITRD_PAGE_MASK;
if (initrd_offset + initrd_size > ram_size) {
fprintf(stderr,
"qemu: memory too small for initial ram disk '%s'\n",
loaderparams.initrd_filename);
exit(1);
}
initrd_size = load_image_targphys(loaderparams.initrd_filename,
initrd_offset,
ram_size - initrd_offset);
}
if (initrd_size == (target_ulong) -1) {
fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
loaderparams.initrd_filename);
exit(1);
}
}
/* Setup prom parameters. */
prom_size = ENVP_NB_ENTRIES * (sizeof(int32_t) + ENVP_ENTRY_SIZE);
prom_buf = g_malloc(prom_size);
prom_set(prom_buf, prom_index++, "%s", loaderparams.kernel_filename);
if (initrd_size > 0) {
prom_set(prom_buf, prom_index++, "rd_start=0x%" PRIx64 " rd_size=%li %s",
cpu_mips_phys_to_kseg0(NULL, initrd_offset), initrd_size,
loaderparams.kernel_cmdline);
} else {
prom_set(prom_buf, prom_index++, "%s", loaderparams.kernel_cmdline);
}
prom_set(prom_buf, prom_index++, "memsize");
prom_set(prom_buf, prom_index++, "%i", loaderparams.ram_size);
prom_set(prom_buf, prom_index++, "modetty0");
prom_set(prom_buf, prom_index++, "38400n8r");
prom_set(prom_buf, prom_index++, NULL);
rom_add_blob_fixed("prom", prom_buf, prom_size,
cpu_mips_kseg0_to_phys(NULL, ENVP_ADDR));
return kernel_entry;
}
| 2,174 |
qemu | 93970672210ca1ee45fdebbc11e1fd97916c7c8e | 0 | static int nbd_co_receive_reply(NBDClientSession *s,
NBDRequest *request,
QEMUIOVector *qiov)
{
int ret;
int i = HANDLE_TO_INDEX(s, request->handle);
/* Wait until we're woken up by nbd_read_reply_entry. */
s->requests[i].receiving = true;
qemu_coroutine_yield();
s->requests[i].receiving = false;
if (s->reply.handle != request->handle || !s->ioc || s->quit) {
ret = -EIO;
} else {
ret = -s->reply.error;
if (qiov && s->reply.error == 0) {
assert(request->len == iov_size(qiov->iov, qiov->niov));
if (qio_channel_readv_all(s->ioc, qiov->iov, qiov->niov,
NULL) < 0) {
ret = -EIO;
s->quit = true;
}
}
/* Tell the read handler to read another header. */
s->reply.handle = 0;
}
s->requests[i].coroutine = NULL;
/* Kick the read_reply_co to get the next reply. */
if (s->read_reply_co) {
aio_co_wake(s->read_reply_co);
}
qemu_co_mutex_lock(&s->send_mutex);
s->in_flight--;
qemu_co_queue_next(&s->free_sema);
qemu_co_mutex_unlock(&s->send_mutex);
return ret;
}
| 2,175 |
FFmpeg | 3176217c60ca7828712985092d9102d331ea4f3d | 0 | void ff_h264_init_cabac_states(const H264Context *h, H264SliceContext *sl)
{
int i;
const int8_t (*tab)[2];
const int slice_qp = av_clip(sl->qscale - 6*(h->sps.bit_depth_luma-8), 0, 51);
if (sl->slice_type_nos == AV_PICTURE_TYPE_I) tab = cabac_context_init_I;
else tab = cabac_context_init_PB[sl->cabac_init_idc];
/* calculate pre-state */
for( i= 0; i < 1024; i++ ) {
int pre = 2*(((tab[i][0] * slice_qp) >>4 ) + tab[i][1]) - 127;
pre^= pre>>31;
if(pre > 124)
pre= 124 + (pre&1);
sl->cabac_state[i] = pre;
}
}
| 2,176 |
FFmpeg | 4e240985d8b856e62e4e0377283138cf51cc398e | 0 | static int mov_read_udta(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
{
uint64_t end = url_ftell(pb) + atom.size;
while (url_ftell(pb) + 8 < end) {
uint32_t tag_size = get_be32(pb);
uint32_t tag = get_le32(pb);
uint64_t next = url_ftell(pb) + tag_size - 8;
if (next > end) // stop if tag_size is wrong
break;
switch (tag) {
case MKTAG(0xa9,'n','a','m'):
mov_parse_udta_string(pb, c->fc->title, sizeof(c->fc->title));
break;
case MKTAG(0xa9,'w','r','t'):
mov_parse_udta_string(pb, c->fc->author, sizeof(c->fc->author));
break;
case MKTAG(0xa9,'c','p','y'):
mov_parse_udta_string(pb, c->fc->copyright, sizeof(c->fc->copyright));
break;
case MKTAG(0xa9,'i','n','f'):
mov_parse_udta_string(pb, c->fc->comment, sizeof(c->fc->comment));
break;
default:
break;
}
url_fseek(pb, next, SEEK_SET);
}
return 0;
}
| 2,177 |
qemu | 3ee886c5ba77a65d6b2c2a372a091d6796ed502b | 0 | static int usb_host_auto_scan(void *opaque, int bus_num, int addr, char *port,
int class_id, int vendor_id, int product_id,
const char *product_name, int speed)
{
struct USBAutoFilter *f;
struct USBHostDevice *s;
/* Ignore hubs */
if (class_id == 9)
return 0;
QTAILQ_FOREACH(s, &hostdevs, next) {
f = &s->match;
if (f->bus_num > 0 && f->bus_num != bus_num) {
continue;
}
if (f->addr > 0 && f->addr != addr) {
continue;
}
if (f->port != NULL && (port == NULL || strcmp(f->port, port) != 0)) {
continue;
}
if (f->vendor_id > 0 && f->vendor_id != vendor_id) {
continue;
}
if (f->product_id > 0 && f->product_id != product_id) {
continue;
}
/* We got a match */
/* Already attached ? */
if (s->fd != -1) {
return 0;
}
DPRINTF("husb: auto open: bus_num %d addr %d\n", bus_num, addr);
usb_host_open(s, bus_num, addr, port, product_name, speed);
break;
}
return 0;
}
| 2,178 |
qemu | bd79255d2571a3c68820117caf94ea9afe1d527e | 0 | static int disas_coproc_insn(DisasContext *s, uint32_t insn)
{
int cpnum, is64, crn, crm, opc1, opc2, isread, rt, rt2;
const ARMCPRegInfo *ri;
cpnum = (insn >> 8) & 0xf;
/* First check for coprocessor space used for XScale/iwMMXt insns */
if (arm_dc_feature(s, ARM_FEATURE_XSCALE) && (cpnum < 2)) {
if (extract32(s->c15_cpar, cpnum, 1) == 0) {
return 1;
}
if (arm_dc_feature(s, ARM_FEATURE_IWMMXT)) {
return disas_iwmmxt_insn(s, insn);
} else if (arm_dc_feature(s, ARM_FEATURE_XSCALE)) {
return disas_dsp_insn(s, insn);
}
return 1;
}
/* Otherwise treat as a generic register access */
is64 = (insn & (1 << 25)) == 0;
if (!is64 && ((insn & (1 << 4)) == 0)) {
/* cdp */
return 1;
}
crm = insn & 0xf;
if (is64) {
crn = 0;
opc1 = (insn >> 4) & 0xf;
opc2 = 0;
rt2 = (insn >> 16) & 0xf;
} else {
crn = (insn >> 16) & 0xf;
opc1 = (insn >> 21) & 7;
opc2 = (insn >> 5) & 7;
rt2 = 0;
}
isread = (insn >> 20) & 1;
rt = (insn >> 12) & 0xf;
ri = get_arm_cp_reginfo(s->cp_regs,
ENCODE_CP_REG(cpnum, is64, s->ns, crn, crm, opc1, opc2));
if (ri) {
/* Check access permissions */
if (!cp_access_ok(s->current_el, ri, isread)) {
return 1;
}
if (ri->accessfn ||
(arm_dc_feature(s, ARM_FEATURE_XSCALE) && cpnum < 14)) {
/* Emit code to perform further access permissions checks at
* runtime; this may result in an exception.
* Note that on XScale all cp0..c13 registers do an access check
* call in order to handle c15_cpar.
*/
TCGv_ptr tmpptr;
TCGv_i32 tcg_syn;
uint32_t syndrome;
/* Note that since we are an implementation which takes an
* exception on a trapped conditional instruction only if the
* instruction passes its condition code check, we can take
* advantage of the clause in the ARM ARM that allows us to set
* the COND field in the instruction to 0xE in all cases.
* We could fish the actual condition out of the insn (ARM)
* or the condexec bits (Thumb) but it isn't necessary.
*/
switch (cpnum) {
case 14:
if (is64) {
syndrome = syn_cp14_rrt_trap(1, 0xe, opc1, crm, rt, rt2,
isread, s->thumb);
} else {
syndrome = syn_cp14_rt_trap(1, 0xe, opc1, opc2, crn, crm,
rt, isread, s->thumb);
}
break;
case 15:
if (is64) {
syndrome = syn_cp15_rrt_trap(1, 0xe, opc1, crm, rt, rt2,
isread, s->thumb);
} else {
syndrome = syn_cp15_rt_trap(1, 0xe, opc1, opc2, crn, crm,
rt, isread, s->thumb);
}
break;
default:
/* ARMv8 defines that only coprocessors 14 and 15 exist,
* so this can only happen if this is an ARMv7 or earlier CPU,
* in which case the syndrome information won't actually be
* guest visible.
*/
assert(!arm_dc_feature(s, ARM_FEATURE_V8));
syndrome = syn_uncategorized();
break;
}
gen_set_pc_im(s, s->pc);
tmpptr = tcg_const_ptr(ri);
tcg_syn = tcg_const_i32(syndrome);
gen_helper_access_check_cp_reg(cpu_env, tmpptr, tcg_syn);
tcg_temp_free_ptr(tmpptr);
tcg_temp_free_i32(tcg_syn);
}
/* Handle special cases first */
switch (ri->type & ~(ARM_CP_FLAG_MASK & ~ARM_CP_SPECIAL)) {
case ARM_CP_NOP:
return 0;
case ARM_CP_WFI:
if (isread) {
return 1;
}
gen_set_pc_im(s, s->pc);
s->is_jmp = DISAS_WFI;
return 0;
default:
break;
}
if (use_icount && (ri->type & ARM_CP_IO)) {
gen_io_start();
}
if (isread) {
/* Read */
if (is64) {
TCGv_i64 tmp64;
TCGv_i32 tmp;
if (ri->type & ARM_CP_CONST) {
tmp64 = tcg_const_i64(ri->resetvalue);
} else if (ri->readfn) {
TCGv_ptr tmpptr;
tmp64 = tcg_temp_new_i64();
tmpptr = tcg_const_ptr(ri);
gen_helper_get_cp_reg64(tmp64, cpu_env, tmpptr);
tcg_temp_free_ptr(tmpptr);
} else {
tmp64 = tcg_temp_new_i64();
tcg_gen_ld_i64(tmp64, cpu_env, ri->fieldoffset);
}
tmp = tcg_temp_new_i32();
tcg_gen_trunc_i64_i32(tmp, tmp64);
store_reg(s, rt, tmp);
tcg_gen_shri_i64(tmp64, tmp64, 32);
tmp = tcg_temp_new_i32();
tcg_gen_trunc_i64_i32(tmp, tmp64);
tcg_temp_free_i64(tmp64);
store_reg(s, rt2, tmp);
} else {
TCGv_i32 tmp;
if (ri->type & ARM_CP_CONST) {
tmp = tcg_const_i32(ri->resetvalue);
} else if (ri->readfn) {
TCGv_ptr tmpptr;
tmp = tcg_temp_new_i32();
tmpptr = tcg_const_ptr(ri);
gen_helper_get_cp_reg(tmp, cpu_env, tmpptr);
tcg_temp_free_ptr(tmpptr);
} else {
tmp = load_cpu_offset(ri->fieldoffset);
}
if (rt == 15) {
/* Destination register of r15 for 32 bit loads sets
* the condition codes from the high 4 bits of the value
*/
gen_set_nzcv(tmp);
tcg_temp_free_i32(tmp);
} else {
store_reg(s, rt, tmp);
}
}
} else {
/* Write */
if (ri->type & ARM_CP_CONST) {
/* If not forbidden by access permissions, treat as WI */
return 0;
}
if (is64) {
TCGv_i32 tmplo, tmphi;
TCGv_i64 tmp64 = tcg_temp_new_i64();
tmplo = load_reg(s, rt);
tmphi = load_reg(s, rt2);
tcg_gen_concat_i32_i64(tmp64, tmplo, tmphi);
tcg_temp_free_i32(tmplo);
tcg_temp_free_i32(tmphi);
if (ri->writefn) {
TCGv_ptr tmpptr = tcg_const_ptr(ri);
gen_helper_set_cp_reg64(cpu_env, tmpptr, tmp64);
tcg_temp_free_ptr(tmpptr);
} else {
tcg_gen_st_i64(tmp64, cpu_env, ri->fieldoffset);
}
tcg_temp_free_i64(tmp64);
} else {
if (ri->writefn) {
TCGv_i32 tmp;
TCGv_ptr tmpptr;
tmp = load_reg(s, rt);
tmpptr = tcg_const_ptr(ri);
gen_helper_set_cp_reg(cpu_env, tmpptr, tmp);
tcg_temp_free_ptr(tmpptr);
tcg_temp_free_i32(tmp);
} else {
TCGv_i32 tmp = load_reg(s, rt);
store_cpu_offset(tmp, ri->fieldoffset);
}
}
}
if (use_icount && (ri->type & ARM_CP_IO)) {
/* I/O operations must end the TB here (whether read or write) */
gen_io_end();
gen_lookup_tb(s);
} else if (!isread && !(ri->type & ARM_CP_SUPPRESS_TB_END)) {
/* We default to ending the TB on a coprocessor register write,
* but allow this to be suppressed by the register definition
* (usually only necessary to work around guest bugs).
*/
gen_lookup_tb(s);
}
return 0;
}
/* Unknown register; this might be a guest error or a QEMU
* unimplemented feature.
*/
if (is64) {
qemu_log_mask(LOG_UNIMP, "%s access to unsupported AArch32 "
"64 bit system register cp:%d opc1: %d crm:%d "
"(%s)\n",
isread ? "read" : "write", cpnum, opc1, crm,
s->ns ? "non-secure" : "secure");
} else {
qemu_log_mask(LOG_UNIMP, "%s access to unsupported AArch32 "
"system register cp:%d opc1:%d crn:%d crm:%d opc2:%d "
"(%s)\n",
isread ? "read" : "write", cpnum, opc1, crn, crm, opc2,
s->ns ? "non-secure" : "secure");
}
return 1;
}
| 2,179 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | e1000_mmio_write(void *opaque, target_phys_addr_t addr, uint64_t val,
unsigned size)
{
E1000State *s = opaque;
unsigned int index = (addr & 0x1ffff) >> 2;
if (index < NWRITEOPS && macreg_writeops[index]) {
macreg_writeops[index](s, index, val);
} else if (index < NREADOPS && macreg_readops[index]) {
DBGOUT(MMIO, "e1000_mmio_writel RO %x: 0x%04"PRIx64"\n", index<<2, val);
} else {
DBGOUT(UNKNOWN, "MMIO unknown write addr=0x%08x,val=0x%08"PRIx64"\n",
index<<2, val);
}
}
| 2,180 |
qemu | 32bafa8fdd098d52fbf1102d5a5e48d29398c0aa | 0 | socket_sockaddr_to_address_unix(struct sockaddr_storage *sa,
socklen_t salen,
Error **errp)
{
SocketAddress *addr;
struct sockaddr_un *su = (struct sockaddr_un *)sa;
addr = g_new0(SocketAddress, 1);
addr->type = SOCKET_ADDRESS_KIND_UNIX;
addr->u.q_unix = g_new0(UnixSocketAddress, 1);
if (su->sun_path[0]) {
addr->u.q_unix->path = g_strndup(su->sun_path,
sizeof(su->sun_path));
}
return addr;
}
| 2,181 |
qemu | 51b19ebe4320f3dcd93cea71235c1219318ddfd2 | 0 | static int fetch_active_ports_list(QEMUFile *f, int version_id,
VirtIOSerial *s, uint32_t nr_active_ports)
{
uint32_t i;
s->post_load = g_malloc0(sizeof(*s->post_load));
s->post_load->nr_active_ports = nr_active_ports;
s->post_load->connected =
g_malloc0(sizeof(*s->post_load->connected) * nr_active_ports);
s->post_load->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
virtio_serial_post_load_timer_cb,
s);
/* Items in struct VirtIOSerialPort */
for (i = 0; i < nr_active_ports; i++) {
VirtIOSerialPort *port;
uint32_t id;
id = qemu_get_be32(f);
port = find_port_by_id(s, id);
if (!port) {
return -EINVAL;
}
port->guest_connected = qemu_get_byte(f);
s->post_load->connected[i].port = port;
s->post_load->connected[i].host_connected = qemu_get_byte(f);
if (version_id > 2) {
uint32_t elem_popped;
qemu_get_be32s(f, &elem_popped);
if (elem_popped) {
qemu_get_be32s(f, &port->iov_idx);
qemu_get_be64s(f, &port->iov_offset);
qemu_get_buffer(f, (unsigned char *)&port->elem,
sizeof(port->elem));
virtqueue_map(&port->elem);
/*
* Port was throttled on source machine. Let's
* unthrottle it here so data starts flowing again.
*/
virtio_serial_throttle_port(port, false);
}
}
}
timer_mod(s->post_load->timer, 1);
return 0;
}
| 2,184 |
qemu | b3ce84fea466f3bca2ff85d158744f00c0f429bd | 0 | void qdev_prop_set_globals_for_type(DeviceState *dev, const char *typename,
Error **errp)
{
GlobalProperty *prop;
QTAILQ_FOREACH(prop, &global_props, next) {
Error *err = NULL;
if (strcmp(typename, prop->driver) != 0) {
continue;
}
prop->not_used = false;
object_property_parse(OBJECT(dev), prop->value, prop->property, &err);
if (err != NULL) {
error_propagate(errp, err);
return;
}
}
}
| 2,185 |
qemu | 3718d8ab65f68de2acccbe6a315907805f54e3cc | 0 | void bdrv_set_in_use(BlockDriverState *bs, int in_use)
{
assert(bs->in_use != in_use);
bs->in_use = in_use;
}
| 2,186 |
qemu | a980f7f2c2f4d7e9a1eba4f804cd66dbd458b6d4 | 0 | static void qvirtio_scsi_stop(void)
{
qtest_end();
}
| 2,189 |
qemu | 72cf2d4f0e181d0d3a3122e04129c58a95da713e | 0 | int qemu_aio_set_fd_handler(int fd,
IOHandler *io_read,
IOHandler *io_write,
AioFlushHandler *io_flush,
void *opaque)
{
AioHandler *node;
node = find_aio_handler(fd);
/* Are we deleting the fd handler? */
if (!io_read && !io_write) {
if (node) {
/* If the lock is held, just mark the node as deleted */
if (walking_handlers)
node->deleted = 1;
else {
/* Otherwise, delete it for real. We can't just mark it as
* deleted because deleted nodes are only cleaned up after
* releasing the walking_handlers lock.
*/
LIST_REMOVE(node, node);
qemu_free(node);
}
}
} else {
if (node == NULL) {
/* Alloc and insert if it's not already there */
node = qemu_mallocz(sizeof(AioHandler));
node->fd = fd;
LIST_INSERT_HEAD(&aio_handlers, node, node);
}
/* Update handler with latest information */
node->io_read = io_read;
node->io_write = io_write;
node->io_flush = io_flush;
node->opaque = opaque;
}
qemu_set_fd_handler2(fd, NULL, io_read, io_write, opaque);
return 0;
}
| 2,191 |
qemu | e402463073ae51d00dc6cf98556e2f5c4b008a31 | 0 | static pcibus_t pci_bar_address(PCIDevice *d,
int reg, uint8_t type, pcibus_t size)
{
pcibus_t new_addr, last_addr;
int bar = pci_bar(d, reg);
uint16_t cmd = pci_get_word(d->config + PCI_COMMAND);
if (type & PCI_BASE_ADDRESS_SPACE_IO) {
if (!(cmd & PCI_COMMAND_IO)) {
return PCI_BAR_UNMAPPED;
}
new_addr = pci_get_long(d->config + bar) & ~(size - 1);
last_addr = new_addr + size - 1;
/* Check if 32 bit BAR wraps around explicitly.
* TODO: make priorities correct and remove this work around.
*/
if (last_addr <= new_addr || new_addr == 0 || last_addr >= UINT32_MAX) {
return PCI_BAR_UNMAPPED;
}
return new_addr;
}
if (!(cmd & PCI_COMMAND_MEMORY)) {
return PCI_BAR_UNMAPPED;
}
if (type & PCI_BASE_ADDRESS_MEM_TYPE_64) {
new_addr = pci_get_quad(d->config + bar);
} else {
new_addr = pci_get_long(d->config + bar);
}
/* the ROM slot has a specific enable bit */
if (reg == PCI_ROM_SLOT && !(new_addr & PCI_ROM_ADDRESS_ENABLE)) {
return PCI_BAR_UNMAPPED;
}
new_addr &= ~(size - 1);
last_addr = new_addr + size - 1;
/* NOTE: we do not support wrapping */
/* XXX: as we cannot support really dynamic
mappings, we handle specific values as invalid
mappings. */
if (last_addr <= new_addr || new_addr == 0 ||
last_addr == PCI_BAR_UNMAPPED) {
return PCI_BAR_UNMAPPED;
}
/* Now pcibus_t is 64bit.
* Check if 32 bit BAR wraps around explicitly.
* Without this, PC ide doesn't work well.
* TODO: remove this work around.
*/
if (!(type & PCI_BASE_ADDRESS_MEM_TYPE_64) && last_addr >= UINT32_MAX) {
return PCI_BAR_UNMAPPED;
}
/*
* OS is allowed to set BAR beyond its addressable
* bits. For example, 32 bit OS can set 64bit bar
* to >4G. Check it. TODO: we might need to support
* it in the future for e.g. PAE.
*/
if (last_addr >= HWADDR_MAX) {
return PCI_BAR_UNMAPPED;
}
return new_addr;
}
| 2,192 |
qemu | 2aece63c8a9d2c3a8ff41d2febc4cdeff2633331 | 0 | static void pc_dimm_check_memdev_is_busy(Object *obj, const char *name,
Object *val, Error **errp)
{
MemoryRegion *mr;
Error *local_err = NULL;
mr = host_memory_backend_get_memory(MEMORY_BACKEND(val), &local_err);
if (local_err) {
goto out;
}
if (memory_region_is_mapped(mr)) {
char *path = object_get_canonical_path_component(val);
error_setg(&local_err, "can't use already busy memdev: %s", path);
g_free(path);
} else {
qdev_prop_allow_set_link_before_realize(obj, name, val, &local_err);
}
out:
error_propagate(errp, local_err);
}
| 2,193 |
qemu | 0a43a1b5d7c33208120eeb2d98ebb9ab15dc2c87 | 0 | static int vhdx_parse_log(BlockDriverState *bs, BDRVVHDXState *s)
{
int ret = 0;
int i;
VHDXHeader *hdr;
hdr = s->headers[s->curr_header];
/* either the log guid, or log length is zero,
* then a replay log is present */
for (i = 0; i < sizeof(hdr->log_guid.data4); i++) {
ret |= hdr->log_guid.data4[i];
}
if (hdr->log_guid.data1 == 0 &&
hdr->log_guid.data2 == 0 &&
hdr->log_guid.data3 == 0 &&
ret == 0) {
goto exit;
}
/* per spec, only log version of 0 is supported */
if (hdr->log_version != 0) {
ret = -EINVAL;
goto exit;
}
if (hdr->log_length == 0) {
goto exit;
}
/* We currently do not support images with logs to replay */
ret = -ENOTSUP;
exit:
return ret;
}
| 2,194 |
qemu | ba5e6bfa1aee29a8f72c5538c565dfb9889cf273 | 0 | static void vfio_unmap_bar(VFIOPCIDevice *vdev, int nr)
{
VFIOBAR *bar = &vdev->bars[nr];
if (!bar->region.size) {
return;
}
vfio_bar_quirk_teardown(vdev, nr);
memory_region_del_subregion(&bar->region.mem, &bar->region.mmap_mem);
munmap(bar->region.mmap, memory_region_size(&bar->region.mmap_mem));
if (vdev->msix && vdev->msix->table_bar == nr) {
memory_region_del_subregion(&bar->region.mem, &vdev->msix->mmap_mem);
munmap(vdev->msix->mmap, memory_region_size(&vdev->msix->mmap_mem));
}
}
| 2,196 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static void pmac_ide_writeb (void *opaque,
target_phys_addr_t addr, uint32_t val)
{
MACIOIDEState *d = opaque;
addr = (addr & 0xFFF) >> 4;
switch (addr) {
case 1 ... 7:
ide_ioport_write(&d->bus, addr, val);
break;
case 8:
case 22:
ide_cmd_write(&d->bus, 0, val);
break;
default:
break;
}
}
| 2,197 |
FFmpeg | 2df0c32ea12ddfa72ba88309812bfb13b674130f | 0 | static int MPA_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
const AVFrame *frame, int *got_packet_ptr)
{
MpegAudioContext *s = avctx->priv_data;
const int16_t *samples = (const int16_t *)frame->data[0];
short smr[MPA_MAX_CHANNELS][SBLIMIT];
unsigned char bit_alloc[MPA_MAX_CHANNELS][SBLIMIT];
int padding, i, ret;
for(i=0;i<s->nb_channels;i++) {
filter(s, i, samples + i, s->nb_channels);
}
for(i=0;i<s->nb_channels;i++) {
compute_scale_factors(s, s->scale_code[i], s->scale_factors[i],
s->sb_samples[i], s->sblimit);
}
for(i=0;i<s->nb_channels;i++) {
psycho_acoustic_model(s, smr[i]);
}
compute_bit_allocation(s, smr, bit_alloc, &padding);
if ((ret = ff_alloc_packet(avpkt, MPA_MAX_CODED_FRAME_SIZE))) {
av_log(avctx, AV_LOG_ERROR, "Error getting output packet\n");
return ret;
}
init_put_bits(&s->pb, avpkt->data, avpkt->size);
encode_frame(s, bit_alloc, padding);
if (frame->pts != AV_NOPTS_VALUE)
avpkt->pts = frame->pts - ff_samples_to_time_base(avctx, avctx->delay);
avpkt->size = put_bits_count(&s->pb) / 8;
*got_packet_ptr = 1;
return 0;
}
| 2,198 |
FFmpeg | f8bed30d8b176fa030f6737765338bb4a2bcabc9 | 0 | int vc1_decode_sequence_header(AVCodecContext *avctx, VC1Context *v, GetBitContext *gb)
{
av_log(avctx, AV_LOG_DEBUG, "Header: %0X\n", show_bits(gb, 32));
v->profile = get_bits(gb, 2);
if (v->profile == PROFILE_COMPLEX)
{
av_log(avctx, AV_LOG_WARNING, "WMV3 Complex Profile is not fully supported\n");
}
if (v->profile == PROFILE_ADVANCED)
{
v->zz_8x4 = ff_vc1_adv_progressive_8x4_zz;
v->zz_4x8 = ff_vc1_adv_progressive_4x8_zz;
return decode_sequence_header_adv(v, gb);
}
else
{
v->zz_8x4 = wmv2_scantableA;
v->zz_4x8 = wmv2_scantableB;
v->res_y411 = get_bits1(gb);
v->res_sprite = get_bits1(gb);
if (v->res_y411)
{
av_log(avctx, AV_LOG_ERROR,
"Old interlaced mode is not supported\n");
return -1;
}
if (v->res_sprite) {
av_log(avctx, AV_LOG_ERROR, "WMVP is not fully supported\n");
}
}
// (fps-2)/4 (->30)
v->frmrtq_postproc = get_bits(gb, 3); //common
// (bitrate-32kbps)/64kbps
v->bitrtq_postproc = get_bits(gb, 5); //common
v->s.loop_filter = get_bits1(gb); //common
if(v->s.loop_filter == 1 && v->profile == PROFILE_SIMPLE)
{
av_log(avctx, AV_LOG_ERROR,
"LOOPFILTER shall not be enabled in Simple Profile\n");
}
if(v->s.avctx->skip_loop_filter >= AVDISCARD_ALL)
v->s.loop_filter = 0;
v->res_x8 = get_bits1(gb); //reserved
v->multires = get_bits1(gb);
v->res_fasttx = get_bits1(gb);
if (!v->res_fasttx)
{
v->vc1dsp.vc1_inv_trans_8x8 = ff_simple_idct;
v->vc1dsp.vc1_inv_trans_8x4 = ff_simple_idct84_add;
v->vc1dsp.vc1_inv_trans_4x8 = ff_simple_idct48_add;
v->vc1dsp.vc1_inv_trans_4x4 = ff_simple_idct44_add;
v->vc1dsp.vc1_inv_trans_8x8_dc = ff_simple_idct_add;
v->vc1dsp.vc1_inv_trans_8x4_dc = ff_simple_idct84_add;
v->vc1dsp.vc1_inv_trans_4x8_dc = ff_simple_idct48_add;
v->vc1dsp.vc1_inv_trans_4x4_dc = ff_simple_idct44_add;
}
v->fastuvmc = get_bits1(gb); //common
if (!v->profile && !v->fastuvmc)
{
av_log(avctx, AV_LOG_ERROR,
"FASTUVMC unavailable in Simple Profile\n");
return -1;
}
v->extended_mv = get_bits1(gb); //common
if (!v->profile && v->extended_mv)
{
av_log(avctx, AV_LOG_ERROR,
"Extended MVs unavailable in Simple Profile\n");
return -1;
}
v->dquant = get_bits(gb, 2); //common
v->vstransform = get_bits1(gb); //common
v->res_transtab = get_bits1(gb);
if (v->res_transtab)
{
av_log(avctx, AV_LOG_ERROR,
"1 for reserved RES_TRANSTAB is forbidden\n");
return -1;
}
v->overlap = get_bits1(gb); //common
v->s.resync_marker = get_bits1(gb);
v->rangered = get_bits1(gb);
if (v->rangered && v->profile == PROFILE_SIMPLE)
{
av_log(avctx, AV_LOG_INFO,
"RANGERED should be set to 0 in Simple Profile\n");
}
v->s.max_b_frames = avctx->max_b_frames = get_bits(gb, 3); //common
v->quantizer_mode = get_bits(gb, 2); //common
v->finterpflag = get_bits1(gb); //common
if (v->res_sprite) {
v->s.avctx->width = v->s.avctx->coded_width = get_bits(gb, 11);
v->s.avctx->height = v->s.avctx->coded_height = get_bits(gb, 11);
skip_bits(gb, 5); //frame rate
v->res_x8 = get_bits1(gb);
if (get_bits1(gb)) { // something to do with DC VLC selection
av_log(avctx, AV_LOG_ERROR, "Unsupported sprite feature\n");
return -1;
}
skip_bits(gb, 3); //slice code
v->res_rtm_flag = 0;
} else {
v->res_rtm_flag = get_bits1(gb); //reserved
}
if (!v->res_rtm_flag)
{
// av_log(avctx, AV_LOG_ERROR,
// "0 for reserved RES_RTM_FLAG is forbidden\n");
av_log(avctx, AV_LOG_ERROR,
"Old WMV3 version detected, some frames may be decoded incorrectly\n");
//return -1;
}
//TODO: figure out what they mean (always 0x402F)
if(!v->res_fasttx) skip_bits(gb, 16);
av_log(avctx, AV_LOG_DEBUG,
"Profile %i:\nfrmrtq_postproc=%i, bitrtq_postproc=%i\n"
"LoopFilter=%i, MultiRes=%i, FastUVMC=%i, Extended MV=%i\n"
"Rangered=%i, VSTransform=%i, Overlap=%i, SyncMarker=%i\n"
"DQuant=%i, Quantizer mode=%i, Max B frames=%i\n",
v->profile, v->frmrtq_postproc, v->bitrtq_postproc,
v->s.loop_filter, v->multires, v->fastuvmc, v->extended_mv,
v->rangered, v->vstransform, v->overlap, v->s.resync_marker,
v->dquant, v->quantizer_mode, avctx->max_b_frames
);
return 0;
}
| 2,199 |