project
stringclasses 2
values | commit_id
stringlengths 40
40
| target
int64 0
1
| func
stringlengths 26
142k
| idx
int64 0
27.3k
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|---|---|---|---|---|
FFmpeg | dddc9b7a8ec3a03e48c69991ca7f20f10dd6f022 | 0 | static int parse_ptl(HEVCContext *s, PTL *ptl, int max_num_sub_layers)
{
int i;
HEVCLocalContext *lc = s->HEVClc;
GetBitContext *gb = &lc->gb;
decode_profile_tier_level(s, &ptl->general_PTL);
ptl->general_PTL.level_idc = get_bits(gb, 8);
for (i = 0; i < max_num_sub_layers - 1; i++) {
ptl->sub_layer_profile_present_flag[i] = get_bits1(gb);
ptl->sub_layer_level_present_flag[i] = get_bits1(gb);
}
if (max_num_sub_layers - 1> 0)
for (i = max_num_sub_layers - 1; i < 8; i++)
skip_bits(gb, 2); // reserved_zero_2bits[i]
for (i = 0; i < max_num_sub_layers - 1; i++) {
if (ptl->sub_layer_profile_present_flag[i])
decode_profile_tier_level(s, &ptl->sub_layer_PTL[i]);
if (ptl->sub_layer_level_present_flag[i])
ptl->sub_layer_PTL[i].level_idc = get_bits(gb, 8);
}
return 0;
}
| 2,200 |
FFmpeg | 68f593b48433842f3407586679fe07f3e5199ab9 | 0 | static inline int msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
int n, int coded, const uint8_t *scan_table)
{
int level, i, last, run, run_diff;
int dc_pred_dir;
RLTable *rl;
RL_VLC_ELEM *rl_vlc;
int qmul, qadd;
if (s->mb_intra) {
qmul=1;
qadd=0;
/* DC coef */
set_stat(ST_DC);
level = msmpeg4_decode_dc(s, n, &dc_pred_dir);
#ifdef PRINT_MB
{
static int c;
if(n==0) c=0;
if(n==4) printf("%X", c);
c+= c +dc_pred_dir;
}
#endif
if (level < 0){
fprintf(stderr, "dc overflow- block: %d qscale: %d//\n", n, s->qscale);
if(s->inter_intra_pred) level=0;
else return -1;
}
if (n < 4) {
rl = &rl_table[s->rl_table_index];
if(level > 256*s->y_dc_scale){
fprintf(stderr, "dc overflow+ L qscale: %d//\n", s->qscale);
if(!s->inter_intra_pred) return -1;
}
} else {
rl = &rl_table[3 + s->rl_chroma_table_index];
if(level > 256*s->c_dc_scale){
fprintf(stderr, "dc overflow+ C qscale: %d//\n", s->qscale);
if(!s->inter_intra_pred) return -1;
}
}
block[0] = level;
run_diff = 0;
i = 0;
if (!coded) {
goto not_coded;
}
if (s->ac_pred) {
if (dc_pred_dir == 0)
scan_table = s->intra_v_scantable.permutated; /* left */
else
scan_table = s->intra_h_scantable.permutated; /* top */
} else {
scan_table = s->intra_scantable.permutated;
}
set_stat(ST_INTRA_AC);
rl_vlc= rl->rl_vlc[0];
} else {
qmul = s->qscale << 1;
qadd = (s->qscale - 1) | 1;
i = -1;
rl = &rl_table[3 + s->rl_table_index];
if(s->msmpeg4_version==2)
run_diff = 0;
else
run_diff = 1;
if (!coded) {
s->block_last_index[n] = i;
return 0;
}
if(!scan_table)
scan_table = s->inter_scantable.permutated;
set_stat(ST_INTER_AC);
rl_vlc= rl->rl_vlc[s->qscale];
}
{
OPEN_READER(re, &s->gb);
for(;;) {
UPDATE_CACHE(re, &s->gb);
GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2);
if (level==0) {
int cache;
cache= GET_CACHE(re, &s->gb);
/* escape */
if (s->msmpeg4_version==1 || (cache&0x80000000)==0) {
if (s->msmpeg4_version==1 || (cache&0x40000000)==0) {
/* third escape */
if(s->msmpeg4_version!=1) LAST_SKIP_BITS(re, &s->gb, 2);
UPDATE_CACHE(re, &s->gb);
if(s->msmpeg4_version<=3){
last= SHOW_UBITS(re, &s->gb, 1); SKIP_CACHE(re, &s->gb, 1);
run= SHOW_UBITS(re, &s->gb, 6); SKIP_CACHE(re, &s->gb, 6);
level= SHOW_SBITS(re, &s->gb, 8); LAST_SKIP_CACHE(re, &s->gb, 8);
SKIP_COUNTER(re, &s->gb, 1+6+8);
}else{
int sign;
last= SHOW_UBITS(re, &s->gb, 1); SKIP_BITS(re, &s->gb, 1);
if(!s->esc3_level_length){
int ll;
//printf("ESC-3 %X at %d %d\n", show_bits(&s->gb, 24), s->mb_x, s->mb_y);
if(s->qscale<8){
ll= SHOW_UBITS(re, &s->gb, 3); SKIP_BITS(re, &s->gb, 3);
if(ll==0){
if(SHOW_UBITS(re, &s->gb, 1)) printf("cool a new vlc code ,contact the ffmpeg developers and upload the file\n");
SKIP_BITS(re, &s->gb, 1);
ll=8;
}
}else{
ll=2;
while(ll<8 && SHOW_UBITS(re, &s->gb, 1)==0){
ll++;
SKIP_BITS(re, &s->gb, 1);
}
if(ll<8) SKIP_BITS(re, &s->gb, 1);
}
s->esc3_level_length= ll;
s->esc3_run_length= SHOW_UBITS(re, &s->gb, 2) + 3; SKIP_BITS(re, &s->gb, 2);
//printf("level length:%d, run length: %d\n", ll, s->esc3_run_length);
UPDATE_CACHE(re, &s->gb);
}
run= SHOW_UBITS(re, &s->gb, s->esc3_run_length);
SKIP_BITS(re, &s->gb, s->esc3_run_length);
sign= SHOW_UBITS(re, &s->gb, 1);
SKIP_BITS(re, &s->gb, 1);
level= SHOW_UBITS(re, &s->gb, s->esc3_level_length);
SKIP_BITS(re, &s->gb, s->esc3_level_length);
if(sign) level= -level;
}
//printf("level: %d, run: %d at %d %d\n", level, run, s->mb_x, s->mb_y);
#if 0 // waste of time / this will detect very few errors
{
const int abs_level= ABS(level);
const int run1= run - rl->max_run[last][abs_level] - run_diff;
if(abs_level<=MAX_LEVEL && run<=MAX_RUN){
if(abs_level <= rl->max_level[last][run]){
fprintf(stderr, "illegal 3. esc, vlc encoding possible\n");
return DECODING_AC_LOST;
}
if(abs_level <= rl->max_level[last][run]*2){
fprintf(stderr, "illegal 3. esc, esc 1 encoding possible\n");
return DECODING_AC_LOST;
}
if(run1>=0 && abs_level <= rl->max_level[last][run1]){
fprintf(stderr, "illegal 3. esc, esc 2 encoding possible\n");
return DECODING_AC_LOST;
}
}
}
#endif
//level = level * qmul + (level>0) * qadd - (level<=0) * qadd ;
if (level>0) level= level * qmul + qadd;
else level= level * qmul - qadd;
#if 0 // waste of time too :(
if(level>2048 || level<-2048){
fprintf(stderr, "|level| overflow in 3. esc\n");
return DECODING_AC_LOST;
}
#endif
i+= run + 1;
if(last) i+=192;
#ifdef ERROR_DETAILS
if(run==66)
fprintf(stderr, "illegal vlc code in ESC3 level=%d\n", level);
else if((i>62 && i<192) || i>192+63)
fprintf(stderr, "run overflow in ESC3 i=%d run=%d level=%d\n", i, run, level);
#endif
} else {
/* second escape */
#if MIN_CACHE_BITS < 23
LAST_SKIP_BITS(re, &s->gb, 2);
UPDATE_CACHE(re, &s->gb);
#else
SKIP_BITS(re, &s->gb, 2);
#endif
GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2);
i+= run + rl->max_run[run>>7][level/qmul] + run_diff; //FIXME opt indexing
level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
LAST_SKIP_BITS(re, &s->gb, 1);
#ifdef ERROR_DETAILS
if(run==66)
fprintf(stderr, "illegal vlc code in ESC2 level=%d\n", level);
else if((i>62 && i<192) || i>192+63)
fprintf(stderr, "run overflow in ESC2 i=%d run=%d level=%d\n", i, run, level);
#endif
}
} else {
/* first escape */
#if MIN_CACHE_BITS < 22
LAST_SKIP_BITS(re, &s->gb, 1);
UPDATE_CACHE(re, &s->gb);
#else
SKIP_BITS(re, &s->gb, 1);
#endif
GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2);
i+= run;
level = level + rl->max_level[run>>7][(run-1)&63] * qmul;//FIXME opt indexing
level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
LAST_SKIP_BITS(re, &s->gb, 1);
#ifdef ERROR_DETAILS
if(run==66)
fprintf(stderr, "illegal vlc code in ESC1 level=%d\n", level);
else if((i>62 && i<192) || i>192+63)
fprintf(stderr, "run overflow in ESC1 i=%d run=%d level=%d\n", i, run, level);
#endif
}
} else {
i+= run;
level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
LAST_SKIP_BITS(re, &s->gb, 1);
#ifdef ERROR_DETAILS
if(run==66)
fprintf(stderr, "illegal vlc code level=%d\n", level);
else if((i>62 && i<192) || i>192+63)
fprintf(stderr, "run overflow i=%d run=%d level=%d\n", i, run, level);
#endif
}
if (i > 62){
i-= 192;
if(i&(~63)){
const int left= s->gb.size*8 - get_bits_count(&s->gb);
if(((i+192 == 64 && level/qmul==-1) || s->error_resilience<=1) && left>=0){
fprintf(stderr, "ignoring overflow at %d %d\n", s->mb_x, s->mb_y);
break;
}else{
fprintf(stderr, "ac-tex damaged at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
}
block[scan_table[i]] = level;
break;
}
block[scan_table[i]] = level;
}
CLOSE_READER(re, &s->gb);
}
not_coded:
if (s->mb_intra) {
mpeg4_pred_ac(s, block, n, dc_pred_dir);
if (s->ac_pred) {
i = 63; /* XXX: not optimal */
}
}
if(s->msmpeg4_version>=4 && i>0) i=63; //FIXME/XXX optimize
s->block_last_index[n] = i;
return 0;
}
| 2,201 |
FFmpeg | 1d16a1cf99488f16492b1bb48e023f4da8377e07 | 0 | static void ff_h264_idct8_add4_mmx2(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){
int i;
for(i=0; i<16; i+=4){
int nnz = nnzc[ scan8[i] ];
if(nnz){
if(nnz==1 && block[i*16]) ff_h264_idct8_dc_add_mmx2(dst + block_offset[i], block + i*16, stride);
else ff_h264_idct8_add_mmx (dst + block_offset[i], block + i*16, stride);
}
}
}
| 2,202 |
FFmpeg | a44b9f95745895b9aae22c1e661593b98d506d24 | 0 | static void filter_channel(MLPDecodeContext *m, unsigned int substr,
unsigned int channel)
{
SubStream *s = &m->substream[substr];
int32_t firbuf[MAX_BLOCKSIZE + MAX_FIR_ORDER];
int32_t iirbuf[MAX_BLOCKSIZE + MAX_IIR_ORDER];
FilterParams *fir = &m->channel_params[channel].filter_params[FIR];
FilterParams *iir = &m->channel_params[channel].filter_params[IIR];
unsigned int filter_shift = fir->shift;
int32_t mask = MSB_MASK(s->quant_step_size[channel]);
int index = MAX_BLOCKSIZE;
int i;
memcpy(&firbuf[MAX_BLOCKSIZE], &fir->state[0],
MAX_FIR_ORDER * sizeof(int32_t));
memcpy(&iirbuf[MAX_BLOCKSIZE], &iir->state[0],
MAX_IIR_ORDER * sizeof(int32_t));
for (i = 0; i < s->blocksize; i++) {
int32_t residual = m->sample_buffer[i + s->blockpos][channel];
unsigned int order;
int64_t accum = 0;
int32_t result;
/* TODO: Move this code to DSPContext? */
for (order = 0; order < fir->order; order++)
accum += (int64_t)firbuf[index + order] *
fir->coeff[order];
for (order = 0; order < iir->order; order++)
accum += (int64_t)iirbuf[index + order] *
iir->coeff[order];
accum = accum >> filter_shift;
result = (accum + residual) & mask;
--index;
firbuf[index] = result;
iirbuf[index] = result - accum;
m->sample_buffer[i + s->blockpos][channel] = result;
}
memcpy(&fir->state[0], &firbuf[index],
MAX_FIR_ORDER * sizeof(int32_t));
memcpy(&iir->state[0], &iirbuf[index],
MAX_IIR_ORDER * sizeof(int32_t));
}
| 2,203 |
FFmpeg | 5e65f5df0e0cd91eed74cce87c5d65b19e176595 | 0 | static void update(Real288_internal *glob)
{
float buffer1[40], temp1[37];
float buffer2[8], temp2[11];
memcpy(buffer1 , glob->output + 20, 20*sizeof(*buffer1));
memcpy(buffer1 + 20, glob->output , 20*sizeof(*buffer1));
do_hybrid_window(36, 40, 35, buffer1, temp1, glob->st1a, glob->st1b,
syn_window);
if (eval_lpc_coeffs(temp1, glob->st1, 36))
colmult(glob->pr1, glob->st1, table1a, 36);
memcpy(buffer2 , glob->history + 4, 4*sizeof(*buffer2));
memcpy(buffer2 + 4, glob->history , 4*sizeof(*buffer2));
do_hybrid_window(10, 8, 20, buffer2, temp2, glob->st2a, glob->st2b,
gain_window);
if (eval_lpc_coeffs(temp2, glob->st2, 10))
colmult(glob->pr2, glob->st2, table2a, 10);
}
| 2,204 |
qemu | 36b62ae6a58f9a588fd33be9386e18a2b90103f5 | 1 | static void fw_cfg_data_mem_write(void *opaque, hwaddr addr,
uint64_t value, unsigned size)
{
FWCfgState *s = opaque;
uint8_t buf[8];
unsigned i;
switch (size) {
case 1:
buf[0] = value;
break;
case 2:
stw_he_p(buf, value);
break;
case 4:
stl_he_p(buf, value);
break;
case 8:
stq_he_p(buf, value);
break;
default:
abort();
}
for (i = 0; i < size; ++i) {
fw_cfg_write(s, buf[i]);
}
}
| 2,205 |
FFmpeg | cea9eb9520fab9e5ec79d3a2d4dbd03eb71b7fa3 | 1 | static int dnxhd_decode_header(DNXHDContext *ctx, AVFrame *frame,
const uint8_t *buf, int buf_size,
int first_field)
{
static const uint8_t header_prefix[] = { 0x00, 0x00, 0x02, 0x80, 0x01 };
static const uint8_t header_prefix444[] = { 0x00, 0x00, 0x02, 0x80, 0x02 };
static const uint8_t header_prefixhr1[] = { 0x00, 0x00, 0x02, 0x80, 0x03 };
static const uint8_t header_prefixhr2[] = { 0x00, 0x00, 0x03, 0x8C, 0x03 };
int i, cid, ret;
int old_bit_depth = ctx->bit_depth, bitdepth;
int old_mb_height = ctx->mb_height;
if (buf_size < 0x280) {
av_log(ctx->avctx, AV_LOG_ERROR,
"buffer too small (%d < 640).\n", buf_size);
return AVERROR_INVALIDDATA;
}
if (memcmp(buf, header_prefix, 5) && memcmp(buf, header_prefix444, 5) &&
memcmp(buf, header_prefixhr1, 5) && memcmp(buf, header_prefixhr2, 5)) {
av_log(ctx->avctx, AV_LOG_ERROR,
"unknown header 0x%02X 0x%02X 0x%02X 0x%02X 0x%02X\n",
buf[0], buf[1], buf[2], buf[3], buf[4]);
return AVERROR_INVALIDDATA;
}
if (buf[5] & 2) { /* interlaced */
ctx->cur_field = buf[5] & 1;
frame->interlaced_frame = 1;
frame->top_field_first = first_field ^ ctx->cur_field;
av_log(ctx->avctx, AV_LOG_DEBUG,
"interlaced %d, cur field %d\n", buf[5] & 3, ctx->cur_field);
} else {
ctx->cur_field = 0;
}
ctx->mbaff = (buf[0x6] >> 5) & 1;
ctx->height = AV_RB16(buf + 0x18);
ctx->width = AV_RB16(buf + 0x1a);
switch(buf[0x21] >> 5) {
case 1: bitdepth = 8; break;
case 2: bitdepth = 10; break;
case 3: bitdepth = 12; break;
default:
av_log(ctx->avctx, AV_LOG_ERROR,
"Unknown bitdepth indicator (%d)\n", buf[0x21] >> 5);
return AVERROR_INVALIDDATA;
}
cid = AV_RB32(buf + 0x28);
if ((ret = dnxhd_init_vlc(ctx, cid, bitdepth)) < 0)
return ret;
if (ctx->mbaff && ctx->cid_table->cid != 1260)
av_log(ctx->avctx, AV_LOG_WARNING,
"Adaptive MB interlace flag in an unsupported profile.\n");
ctx->act = buf[0x2C] & 7;
if (ctx->act && ctx->cid_table->cid != 1256 && ctx->cid_table->cid != 1270)
av_log(ctx->avctx, AV_LOG_WARNING,
"Adaptive color transform in an unsupported profile.\n");
ctx->is_444 = (buf[0x2C] >> 6) & 1;
if (ctx->is_444) {
if (bitdepth == 8) {
avpriv_request_sample(ctx->avctx, "4:4:4 8 bits\n");
return AVERROR_INVALIDDATA;
} else if (bitdepth == 10) {
ctx->decode_dct_block = dnxhd_decode_dct_block_10_444;
ctx->pix_fmt = ctx->act ? AV_PIX_FMT_YUV444P10
: AV_PIX_FMT_GBRP10;
} else {
ctx->decode_dct_block = dnxhd_decode_dct_block_12_444;
ctx->pix_fmt = ctx->act ? AV_PIX_FMT_YUV444P12
: AV_PIX_FMT_GBRP12;
}
} else if (bitdepth == 12) {
ctx->decode_dct_block = dnxhd_decode_dct_block_12;
ctx->pix_fmt = AV_PIX_FMT_YUV422P12;
} else if (bitdepth == 10) {
ctx->decode_dct_block = dnxhd_decode_dct_block_10;
ctx->pix_fmt = AV_PIX_FMT_YUV422P10;
} else {
ctx->decode_dct_block = dnxhd_decode_dct_block_8;
ctx->pix_fmt = AV_PIX_FMT_YUV422P;
}
ctx->avctx->bits_per_raw_sample = ctx->bit_depth = bitdepth;
if (ctx->bit_depth != old_bit_depth) {
ff_blockdsp_init(&ctx->bdsp, ctx->avctx);
ff_idctdsp_init(&ctx->idsp, ctx->avctx);
ff_init_scantable(ctx->idsp.idct_permutation, &ctx->scantable,
ff_zigzag_direct);
}
// make sure profile size constraints are respected
// DNx100 allows 1920->1440 and 1280->960 subsampling
if (ctx->width != ctx->cid_table->width &&
ctx->cid_table->width != DNXHD_VARIABLE) {
av_reduce(&ctx->avctx->sample_aspect_ratio.num,
&ctx->avctx->sample_aspect_ratio.den,
ctx->width, ctx->cid_table->width, 255);
ctx->width = ctx->cid_table->width;
}
if (buf_size < ctx->cid_table->coding_unit_size) {
av_log(ctx->avctx, AV_LOG_ERROR, "incorrect frame size (%d < %d).\n",
buf_size, ctx->cid_table->coding_unit_size);
return AVERROR_INVALIDDATA;
}
ctx->mb_width = (ctx->width + 15)>> 4;
ctx->mb_height = buf[0x16d];
if ((ctx->height + 15) >> 4 == ctx->mb_height && frame->interlaced_frame)
ctx->height <<= 1;
av_log(ctx->avctx, AV_LOG_VERBOSE, "%dx%d, 4:%s %d bits, MBAFF=%d ACT=%d\n",
ctx->width, ctx->height, ctx->is_444 ? "4:4" : "2:2",
ctx->bit_depth, ctx->mbaff, ctx->act);
// Newer format supports variable mb_scan_index sizes
if (!memcmp(buf, header_prefixhr2, 5)) {
ctx->data_offset = 0x170 + (ctx->mb_height << 2);
} else {
if (ctx->mb_height > 68 ||
(ctx->mb_height << frame->interlaced_frame) > (ctx->height + 15) >> 4) {
av_log(ctx->avctx, AV_LOG_ERROR,
"mb height too big: %d\n", ctx->mb_height);
return AVERROR_INVALIDDATA;
}
ctx->data_offset = 0x280;
}
if (buf_size < ctx->data_offset) {
av_log(ctx->avctx, AV_LOG_ERROR,
"buffer too small (%d < %d).\n", buf_size, ctx->data_offset);
return AVERROR_INVALIDDATA;
}
if (ctx->mb_height != old_mb_height) {
av_freep(&ctx->mb_scan_index);
ctx->mb_scan_index = av_mallocz_array(ctx->mb_height, sizeof(uint32_t));
if (!ctx->mb_scan_index)
return AVERROR(ENOMEM);
}
for (i = 0; i < ctx->mb_height; i++) {
ctx->mb_scan_index[i] = AV_RB32(buf + 0x170 + (i << 2));
ff_dlog(ctx->avctx, "mb scan index %d, pos %d: %u\n", i, 0x170 + (i << 2), ctx->mb_scan_index[i]);
if (buf_size - ctx->data_offset < ctx->mb_scan_index[i]) {
av_log(ctx->avctx, AV_LOG_ERROR,
"invalid mb scan index (%u vs %u).\n",
ctx->mb_scan_index[i], buf_size - ctx->data_offset);
return AVERROR_INVALIDDATA;
}
}
return 0;
}
| 2,206 |
qemu | 8b33d9eeba91422ee2d73b6936ad57262d18cf5a | 1 | static void raw_aio_writev_scrubbed(void *opaque, int ret)
{
RawScrubberBounce *b = opaque;
if (ret < 0) {
b->cb(b->opaque, ret);
} else {
b->cb(b->opaque, ret + 512);
}
qemu_iovec_destroy(&b->qiov);
qemu_free(b);
}
| 2,207 |
qemu | 20c334a797bf46a4ee59a6e42be6d5e7c3cda585 | 1 | static inline uint32_t mipsdsp_sat32_sub(int32_t a, int32_t b,
CPUMIPSState *env)
{
int32_t temp;
temp = a - b;
if (MIPSDSP_OVERFLOW(a, -b, temp, 0x80000000)) {
if (a > 0) {
temp = 0x7FFFFFFF;
} else {
temp = 0x80000000;
}
set_DSPControl_overflow_flag(1, 20, env);
}
return temp & 0xFFFFFFFFull;
}
| 2,208 |
FFmpeg | c661cb6672af5ebcb900ec8766b24761bd2ab011 | 0 | int avconv_parse_options(int argc, char **argv)
{
OptionParseContext octx;
uint8_t error[128];
int ret;
memset(&octx, 0, sizeof(octx));
/* split the commandline into an internal representation */
ret = split_commandline(&octx, argc, argv, options, groups);
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL, "Error splitting the argument list: ");
goto fail;
}
/* apply global options */
ret = parse_optgroup(NULL, &octx.global_opts);
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL, "Error parsing global options: ");
goto fail;
}
/* open input files */
ret = open_files(&octx.groups[GROUP_INFILE], "input", open_input_file);
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL, "Error opening input files: ");
goto fail;
}
/* open output files */
ret = open_files(&octx.groups[GROUP_OUTFILE], "output", open_output_file);
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL, "Error opening output files: ");
goto fail;
}
fail:
uninit_parse_context(&octx);
if (ret < 0) {
av_strerror(ret, error, sizeof(error));
av_log(NULL, AV_LOG_FATAL, "%s\n", error);
}
return ret;
}
| 2,210 |
FFmpeg | c4503a2e4010d2f0832a758aa6c8079fcf4bfac7 | 0 | static int rtp_parse_packet_internal(RTPDemuxContext *s, AVPacket *pkt,
const uint8_t *buf, int len)
{
unsigned int ssrc, h;
int payload_type, seq, ret, flags = 0;
int ext;
AVStream *st;
uint32_t timestamp;
int rv= 0;
ext = buf[0] & 0x10;
payload_type = buf[1] & 0x7f;
if (buf[1] & 0x80)
flags |= RTP_FLAG_MARKER;
seq = AV_RB16(buf + 2);
timestamp = AV_RB32(buf + 4);
ssrc = AV_RB32(buf + 8);
/* store the ssrc in the RTPDemuxContext */
s->ssrc = ssrc;
/* NOTE: we can handle only one payload type */
if (s->payload_type != payload_type)
return -1;
st = s->st;
// only do something with this if all the rtp checks pass...
if(!rtp_valid_packet_in_sequence(&s->statistics, seq))
{
av_log(st?st->codec:NULL, AV_LOG_ERROR, "RTP: PT=%02x: bad cseq %04x expected=%04x\n",
payload_type, seq, ((s->seq + 1) & 0xffff));
return -1;
}
if (buf[0] & 0x20) {
int padding = buf[len - 1];
if (len >= 12 + padding)
len -= padding;
}
s->seq = seq;
len -= 12;
buf += 12;
/* RFC 3550 Section 5.3.1 RTP Header Extension handling */
if (ext) {
if (len < 4)
return -1;
/* calculate the header extension length (stored as number
* of 32-bit words) */
ext = (AV_RB16(buf + 2) + 1) << 2;
if (len < ext)
return -1;
// skip past RTP header extension
len -= ext;
buf += ext;
}
if (!st) {
/* specific MPEG2TS demux support */
ret = ff_mpegts_parse_packet(s->ts, pkt, buf, len);
/* The only error that can be returned from ff_mpegts_parse_packet
* is "no more data to return from the provided buffer", so return
* AVERROR(EAGAIN) for all errors */
if (ret < 0)
return AVERROR(EAGAIN);
if (ret < len) {
s->read_buf_size = len - ret;
memcpy(s->buf, buf + ret, s->read_buf_size);
s->read_buf_index = 0;
return 1;
}
return 0;
} else if (s->parse_packet) {
rv = s->parse_packet(s->ic, s->dynamic_protocol_context,
s->st, pkt, ×tamp, buf, len, flags);
} else {
// at this point, the RTP header has been stripped; This is ASSUMING that there is only 1 CSRC, which in't wise.
switch(st->codec->codec_id) {
case AV_CODEC_ID_MP2:
case AV_CODEC_ID_MP3:
/* better than nothing: skip mpeg audio RTP header */
if (len <= 4)
return -1;
h = AV_RB32(buf);
len -= 4;
buf += 4;
av_new_packet(pkt, len);
memcpy(pkt->data, buf, len);
break;
case AV_CODEC_ID_MPEG1VIDEO:
case AV_CODEC_ID_MPEG2VIDEO:
/* better than nothing: skip mpeg video RTP header */
if (len <= 4)
return -1;
h = AV_RB32(buf);
buf += 4;
len -= 4;
if (h & (1 << 26)) {
/* mpeg2 */
if (len <= 4)
return -1;
buf += 4;
len -= 4;
}
av_new_packet(pkt, len);
memcpy(pkt->data, buf, len);
break;
default:
av_new_packet(pkt, len);
memcpy(pkt->data, buf, len);
break;
}
pkt->stream_index = st->index;
}
// now perform timestamp things....
finalize_packet(s, pkt, timestamp);
return rv;
}
| 2,211 |
FFmpeg | 1e6ee86d9254e8fd2158cc9a31d3be96b0809411 | 1 | static inline void scale_mv(AVSContext *h, int *d_x, int *d_y,
cavs_vector *src, int distp)
{
int den = h->scale_den[FFMAX(src->ref, 0)];
*d_x = (src->x * distp * den + 256 + FF_SIGNBIT(src->x)) >> 9;
*d_y = (src->y * distp * den + 256 + FF_SIGNBIT(src->y)) >> 9;
}
| 2,212 |
qemu | 42cc8fa620cbc73e349e96d84cf46469e828ec34 | 1 | static int kvm_get_xsave(CPUState *env)
{
#ifdef KVM_CAP_XSAVE
struct kvm_xsave* xsave;
int ret, i;
uint16_t cwd, swd, twd, fop;
if (!kvm_has_xsave()) {
return kvm_get_fpu(env);
}
xsave = qemu_memalign(4096, sizeof(struct kvm_xsave));
ret = kvm_vcpu_ioctl(env, KVM_GET_XSAVE, xsave);
if (ret < 0) {
qemu_free(xsave);
return ret;
}
cwd = (uint16_t)xsave->region[0];
swd = (uint16_t)(xsave->region[0] >> 16);
twd = (uint16_t)xsave->region[1];
fop = (uint16_t)(xsave->region[1] >> 16);
env->fpstt = (swd >> 11) & 7;
env->fpus = swd;
env->fpuc = cwd;
for (i = 0; i < 8; ++i) {
env->fptags[i] = !((twd >> i) & 1);
}
env->mxcsr = xsave->region[XSAVE_MXCSR];
memcpy(env->fpregs, &xsave->region[XSAVE_ST_SPACE],
sizeof env->fpregs);
memcpy(env->xmm_regs, &xsave->region[XSAVE_XMM_SPACE],
sizeof env->xmm_regs);
env->xstate_bv = *(uint64_t *)&xsave->region[XSAVE_XSTATE_BV];
memcpy(env->ymmh_regs, &xsave->region[XSAVE_YMMH_SPACE],
sizeof env->ymmh_regs);
qemu_free(xsave);
return 0;
#else
return kvm_get_fpu(env);
#endif
}
| 2,214 |
qemu | 6cfcd864a468eb7bd3da20a5462b5af1791581d3 | 1 | int qemu_acl_insert(qemu_acl *acl,
int deny,
const char *match,
int index)
{
qemu_acl_entry *entry;
qemu_acl_entry *tmp;
int i = 0;
if (index <= 0)
return -1;
if (index > acl->nentries) {
return qemu_acl_append(acl, deny, match);
}
entry = g_malloc(sizeof(*entry));
entry->match = g_strdup(match);
entry->deny = deny;
QTAILQ_FOREACH(tmp, &acl->entries, next) {
i++;
if (i == index) {
QTAILQ_INSERT_BEFORE(tmp, entry, next);
acl->nentries++;
break;
}
}
return i;
}
| 2,215 |
qemu | d9bce9d99f4656ae0b0127f7472db9067b8f84ab | 1 | PPC_OP(subfc)
{
T0 = T1 - T0;
if (T0 <= T1) {
xer_ca = 1;
} else {
xer_ca = 0;
}
RETURN();
}
| 2,216 |
qemu | 1753f3dc177a82f8b3c5ea8d2a32737db9411dd4 | 1 | static uint16_t nvme_rw(NvmeCtrl *n, NvmeNamespace *ns, NvmeCmd *cmd,
NvmeRequest *req)
{
NvmeRwCmd *rw = (NvmeRwCmd *)cmd;
uint32_t nlb = le32_to_cpu(rw->nlb) + 1;
uint64_t slba = le64_to_cpu(rw->slba);
uint64_t prp1 = le64_to_cpu(rw->prp1);
uint64_t prp2 = le64_to_cpu(rw->prp2);
uint8_t lba_index = NVME_ID_NS_FLBAS_INDEX(ns->id_ns.flbas);
uint8_t data_shift = ns->id_ns.lbaf[lba_index].ds;
uint64_t data_size = (uint64_t)nlb << data_shift;
uint64_t aio_slba = slba << (data_shift - BDRV_SECTOR_BITS);
int is_write = rw->opcode == NVME_CMD_WRITE ? 1 : 0;
if ((slba + nlb) > ns->id_ns.nsze) {
return NVME_LBA_RANGE | NVME_DNR;
}
if (nvme_map_prp(&req->qsg, prp1, prp2, data_size, n)) {
return NVME_INVALID_FIELD | NVME_DNR;
}
assert((nlb << data_shift) == req->qsg.size);
req->has_sg = true;
dma_acct_start(n->conf.blk, &req->acct, &req->qsg,
is_write ? BLOCK_ACCT_WRITE : BLOCK_ACCT_READ);
req->aiocb = is_write ?
dma_blk_write(n->conf.blk, &req->qsg, aio_slba, nvme_rw_cb, req) :
dma_blk_read(n->conf.blk, &req->qsg, aio_slba, nvme_rw_cb, req);
return NVME_NO_COMPLETE;
}
| 2,217 |
qemu | 72902672dc2ed6281cdb205259c1d52ecf01f6b2 | 1 | uint64_t HELPER(neon_sub_saturate_u64)(uint64_t src1, uint64_t src2)
{
uint64_t res;
if (src1 < src2) {
env->QF = 1;
res = 0;
} else {
res = src1 - src2;
}
return res;
}
| 2,218 |
qemu | 8786db7cb96f8ce5c75c6e1e074319c9dca8d356 | 1 | void memory_global_sync_dirty_bitmap(MemoryRegion *address_space)
{
AddressSpace *as = memory_region_to_address_space(address_space);
FlatRange *fr;
FOR_EACH_FLAT_RANGE(fr, &as->current_map) {
MEMORY_LISTENER_UPDATE_REGION(fr, as, Forward, log_sync);
}
}
| 2,219 |
FFmpeg | f8a9cf77040e1b2ed83206269ead11aa30afb98d | 1 | static int lvf_probe(AVProbeData *p)
{
if (AV_RL32(p->buf) == MKTAG('L', 'V', 'F', 'F'))
return AVPROBE_SCORE_EXTENSION;
return 0;
}
| 2,220 |
FFmpeg | 1f5630af51f24d79053b6bef5b8b3ba93d637306 | 1 | static inline int decode_subframe(FLACContext *s, int channel)
{
int32_t *decoded = s->decoded[channel];
int type, wasted = 0;
int bps = s->flac_stream_info.bps;
int i, tmp, ret;
if (channel == 0) {
if (s->ch_mode == FLAC_CHMODE_RIGHT_SIDE)
bps++;
} else {
if (s->ch_mode == FLAC_CHMODE_LEFT_SIDE || s->ch_mode == FLAC_CHMODE_MID_SIDE)
bps++;
}
if (get_bits1(&s->gb)) {
av_log(s->avctx, AV_LOG_ERROR, "invalid subframe padding\n");
return AVERROR_INVALIDDATA;
}
type = get_bits(&s->gb, 6);
if (get_bits1(&s->gb)) {
int left = get_bits_left(&s->gb);
if ( left <= 0 ||
(left < bps && !show_bits_long(&s->gb, left)) ||
!show_bits_long(&s->gb, bps)) {
av_log(s->avctx, AV_LOG_ERROR,
"Invalid number of wasted bits > available bits (%d) - left=%d\n",
bps, left);
return AVERROR_INVALIDDATA;
}
wasted = 1 + get_unary(&s->gb, 1, get_bits_left(&s->gb));
bps -= wasted;
}
if (bps > 32) {
avpriv_report_missing_feature(s->avctx, "Decorrelated bit depth > 32");
return AVERROR_PATCHWELCOME;
}
//FIXME use av_log2 for types
if (type == 0) {
tmp = get_sbits_long(&s->gb, bps);
for (i = 0; i < s->blocksize; i++)
decoded[i] = tmp;
} else if (type == 1) {
for (i = 0; i < s->blocksize; i++)
decoded[i] = get_sbits_long(&s->gb, bps);
} else if ((type >= 8) && (type <= 12)) {
if ((ret = decode_subframe_fixed(s, decoded, type & ~0x8, bps)) < 0)
return ret;
} else if (type >= 32) {
if ((ret = decode_subframe_lpc(s, decoded, (type & ~0x20)+1, bps)) < 0)
return ret;
} else {
av_log(s->avctx, AV_LOG_ERROR, "invalid coding type\n");
return AVERROR_INVALIDDATA;
}
if (wasted) {
int i;
for (i = 0; i < s->blocksize; i++)
decoded[i] <<= wasted;
}
return 0;
}
| 2,221 |
qemu | e03c902cb617414dae49d77a810f6957ff7affac | 1 | static void icp_set_cppr(struct icp_state *icp, int server, uint8_t cppr)
{
struct icp_server_state *ss = icp->ss + server;
uint8_t old_cppr;
uint32_t old_xisr;
old_cppr = CPPR(ss);
ss->xirr = (ss->xirr & ~CPPR_MASK) | (cppr << 24);
if (cppr < old_cppr) {
if (XISR(ss) && (cppr <= ss->pending_priority)) {
old_xisr = XISR(ss);
ss->xirr &= ~XISR_MASK; /* Clear XISR */
qemu_irq_lower(ss->output);
ics_reject(icp->ics, old_xisr);
}
} else {
if (!XISR(ss)) {
icp_resend(icp, server);
}
}
} | 2,222 |
FFmpeg | ced39dc5ed3ad40e7f970c95019721d58742088a | 1 | static av_cold int opus_decode_init(AVCodecContext *avctx)
{
OpusContext *c = avctx->priv_data;
int ret, i, j;
avctx->sample_fmt = AV_SAMPLE_FMT_FLTP;
avctx->sample_rate = 48000;
c->fdsp = avpriv_float_dsp_alloc(0);
if (!c->fdsp)
return AVERROR(ENOMEM);
/* find out the channel configuration */
ret = ff_opus_parse_extradata(avctx, c);
if (ret < 0)
return ret;
/* allocate and init each independent decoder */
c->streams = av_mallocz_array(c->nb_streams, sizeof(*c->streams));
c->out = av_mallocz_array(c->nb_streams, 2 * sizeof(*c->out));
c->out_size = av_mallocz_array(c->nb_streams, sizeof(*c->out_size));
c->sync_buffers = av_mallocz_array(c->nb_streams, sizeof(*c->sync_buffers));
c->decoded_samples = av_mallocz_array(c->nb_streams, sizeof(*c->decoded_samples));
if (!c->streams || !c->sync_buffers || !c->decoded_samples || !c->out || !c->out_size) {
c->nb_streams = 0;
ret = AVERROR(ENOMEM);
goto fail;
}
for (i = 0; i < c->nb_streams; i++) {
OpusStreamContext *s = &c->streams[i];
uint64_t layout;
s->output_channels = (i < c->nb_stereo_streams) ? 2 : 1;
s->avctx = avctx;
for (j = 0; j < s->output_channels; j++) {
s->silk_output[j] = s->silk_buf[j];
s->celt_output[j] = s->celt_buf[j];
s->redundancy_output[j] = s->redundancy_buf[j];
}
s->fdsp = c->fdsp;
s->swr =swr_alloc();
if (!s->swr)
goto fail;
layout = (s->output_channels == 1) ? AV_CH_LAYOUT_MONO : AV_CH_LAYOUT_STEREO;
av_opt_set_int(s->swr, "in_sample_fmt", avctx->sample_fmt, 0);
av_opt_set_int(s->swr, "out_sample_fmt", avctx->sample_fmt, 0);
av_opt_set_int(s->swr, "in_channel_layout", layout, 0);
av_opt_set_int(s->swr, "out_channel_layout", layout, 0);
av_opt_set_int(s->swr, "out_sample_rate", avctx->sample_rate, 0);
av_opt_set_int(s->swr, "filter_size", 16, 0);
ret = ff_silk_init(avctx, &s->silk, s->output_channels);
if (ret < 0)
goto fail;
ret = ff_celt_init(avctx, &s->celt, s->output_channels);
if (ret < 0)
goto fail;
s->celt_delay = av_audio_fifo_alloc(avctx->sample_fmt,
s->output_channels, 1024);
if (!s->celt_delay) {
ret = AVERROR(ENOMEM);
goto fail;
}
c->sync_buffers[i] = av_audio_fifo_alloc(avctx->sample_fmt,
s->output_channels, 32);
if (!c->sync_buffers[i]) {
ret = AVERROR(ENOMEM);
goto fail;
}
}
return 0;
fail:
opus_decode_close(avctx);
return ret;
}
| 2,223 |
qemu | 1753f3dc177a82f8b3c5ea8d2a32737db9411dd4 | 1 | static void nvme_rw_cb(void *opaque, int ret)
{
NvmeRequest *req = opaque;
NvmeSQueue *sq = req->sq;
NvmeCtrl *n = sq->ctrl;
NvmeCQueue *cq = n->cq[sq->cqid];
block_acct_done(blk_get_stats(n->conf.blk), &req->acct);
if (!ret) {
req->status = NVME_SUCCESS;
} else {
req->status = NVME_INTERNAL_DEV_ERROR;
}
if (req->has_sg) {
qemu_sglist_destroy(&req->qsg);
}
nvme_enqueue_req_completion(cq, req);
}
| 2,224 |
qemu | 06afe2c8840ec39c3b23db0eb830a5f49244b947 | 1 | int find_itlb_entry(CPUState * env, target_ulong address,
int use_asid, int update)
{
int e, n;
e = find_tlb_entry(env, address, env->itlb, ITLB_SIZE, use_asid);
if (e == MMU_DTLB_MULTIPLE)
e = MMU_ITLB_MULTIPLE;
else if (e == MMU_DTLB_MISS && update) {
e = find_tlb_entry(env, address, env->utlb, UTLB_SIZE, use_asid);
if (e >= 0) {
n = itlb_replacement(env);
env->itlb[n] = env->utlb[e];
e = n;
} else if (e == MMU_DTLB_MISS)
e = MMU_ITLB_MISS;
} else if (e == MMU_DTLB_MISS)
e = MMU_ITLB_MISS;
if (e >= 0)
update_itlb_use(env, e);
return e;
}
| 2,225 |
qemu | cdd85eb2804018ab46a742ebf64dc5366b9fae73 | 1 | static void s390_msi_ctrl_write(void *opaque, hwaddr addr, uint64_t data,
unsigned int size)
{
S390PCIBusDevice *pbdev;
uint32_t io_int_word;
uint32_t fid = data >> ZPCI_MSI_VEC_BITS;
uint32_t vec = data & ZPCI_MSI_VEC_MASK;
uint64_t ind_bit;
uint32_t sum_bit;
uint32_t e = 0;
DPRINTF("write_msix data 0x%" PRIx64 " fid %d vec 0x%x\n", data, fid, vec);
pbdev = s390_pci_find_dev_by_fid(fid);
if (!pbdev) {
e |= (vec << ERR_EVENT_MVN_OFFSET);
s390_pci_generate_error_event(ERR_EVENT_NOMSI, 0, fid, addr, e);
return;
}
if (pbdev->state != ZPCI_FS_ENABLED) {
return;
}
ind_bit = pbdev->routes.adapter.ind_offset;
sum_bit = pbdev->routes.adapter.summary_offset;
set_ind_atomic(pbdev->routes.adapter.ind_addr + (ind_bit + vec) / 8,
0x80 >> ((ind_bit + vec) % 8));
if (!set_ind_atomic(pbdev->routes.adapter.summary_addr + sum_bit / 8,
0x80 >> (sum_bit % 8))) {
io_int_word = (pbdev->isc << 27) | IO_INT_WORD_AI;
s390_io_interrupt(0, 0, 0, io_int_word);
}
}
| 2,226 |
qemu | 0752706de257b38763006ff5bb6b39a97e669ba2 | 1 | void net_slirp_redir(const char *redir_str)
{
struct slirp_config_str *config;
if (QTAILQ_EMPTY(&slirp_stacks)) {
config = qemu_malloc(sizeof(*config));
pstrcpy(config->str, sizeof(config->str), redir_str);
config->flags = SLIRP_CFG_HOSTFWD | SLIRP_CFG_LEGACY;
config->next = slirp_configs;
slirp_configs = config;
return;
}
slirp_hostfwd(QTAILQ_FIRST(&slirp_stacks), NULL, redir_str, 1);
}
| 2,227 |
FFmpeg | 220b24c7c97dc033ceab1510549f66d0e7b52ef1 | 1 | static unsigned int get_video_format_idx(AVCodecContext *avctx)
{
unsigned int ret_idx = 0;
unsigned int idx;
unsigned int num_formats = sizeof(ff_schro_video_format_info) /
sizeof(ff_schro_video_format_info[0]);
for (idx = 1; idx < num_formats; ++idx) {
const SchroVideoFormatInfo *vf = &ff_schro_video_format_info[idx];
if (avctx->width == vf->width &&
avctx->height == vf->height) {
ret_idx = idx;
if (avctx->time_base.den == vf->frame_rate_num &&
avctx->time_base.num == vf->frame_rate_denom)
return idx;
}
}
return ret_idx;
}
| 2,228 |
FFmpeg | 3c895fc098f7637f6d5ec3a9d6766e724a8b9e41 | 0 | static void compute_pts_dts(AVStream *st, int64_t *ppts, int64_t *pdts,
int64_t timestamp)
{
int frame_delay;
int64_t pts, dts;
if (st->codec.codec_type == CODEC_TYPE_VIDEO &&
st->codec.max_b_frames != 0) {
frame_delay = (st->codec.frame_rate_base * 90000LL) /
st->codec.frame_rate;
if (timestamp == 0) {
/* specific case for first frame : DTS just before */
pts = timestamp;
dts = timestamp - frame_delay;
} else {
timestamp -= frame_delay;
if (st->codec.coded_frame->pict_type == FF_B_TYPE) {
/* B frames has identical pts/dts */
pts = timestamp;
dts = timestamp;
} else {
/* a reference frame has a pts equal to the dts of the
_next_ one */
dts = timestamp;
pts = timestamp + (st->codec.max_b_frames + 1) * frame_delay;
}
}
#if 1
av_log(&st->codec, AV_LOG_DEBUG, "pts=%0.3f dts=%0.3f pict_type=%c\n",
pts / 90000.0, dts / 90000.0,
av_get_pict_type_char(st->codec.coded_frame->pict_type));
#endif
} else {
pts = timestamp;
dts = timestamp;
}
*ppts = pts & ((1LL << 33) - 1);
*pdts = dts & ((1LL << 33) - 1);
}
| 2,230 |
FFmpeg | edfdd7986defe224b7781e09ae79a5ae9dee1793 | 0 | static void close_connection(HTTPContext *c)
{
HTTPContext **cp, *c1;
int i, nb_streams;
AVFormatContext *ctx;
URLContext *h;
AVStream *st;
/* remove connection from list */
cp = &first_http_ctx;
while ((*cp) != NULL) {
c1 = *cp;
if (c1 == c) {
*cp = c->next;
} else {
cp = &c1->next;
}
}
/* remove references, if any (XXX: do it faster) */
for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
if (c1->rtsp_c == c)
c1->rtsp_c = NULL;
}
/* remove connection associated resources */
if (c->fd >= 0)
close(c->fd);
if (c->fmt_in) {
/* close each frame parser */
for(i=0;i<c->fmt_in->nb_streams;i++) {
st = c->fmt_in->streams[i];
if (st->codec->codec) {
avcodec_close(st->codec);
}
}
av_close_input_file(c->fmt_in);
}
/* free RTP output streams if any */
nb_streams = 0;
if (c->stream)
nb_streams = c->stream->nb_streams;
for(i=0;i<nb_streams;i++) {
ctx = c->rtp_ctx[i];
if (ctx) {
av_write_trailer(ctx);
av_free(ctx);
}
h = c->rtp_handles[i];
if (h) {
url_close(h);
}
}
ctx = &c->fmt_ctx;
if (!c->last_packet_sent) {
if (ctx->oformat) {
/* prepare header */
if (url_open_dyn_buf(&ctx->pb) >= 0) {
av_write_trailer(ctx);
url_close_dyn_buf(&ctx->pb, &c->pb_buffer);
}
}
}
for(i=0; i<ctx->nb_streams; i++)
av_free(ctx->streams[i]) ;
if (c->stream)
current_bandwidth -= c->stream->bandwidth;
av_freep(&c->pb_buffer);
av_freep(&c->packet_buffer);
av_free(c->buffer);
av_free(c);
nb_connections--;
}
| 2,231 |
FFmpeg | d788af6cf696d547a442c47e1ce6f93bc9fc97b6 | 1 | static int rv10_decode_packet(AVCodecContext *avctx,
const uint8_t *buf, int buf_size, int buf_size2)
{
MpegEncContext *s = avctx->priv_data;
int mb_count, mb_pos, left, start_mb_x;
init_get_bits(&s->gb, buf, buf_size*8);
if(s->codec_id ==CODEC_ID_RV10)
mb_count = rv10_decode_picture_header(s);
else
mb_count = rv20_decode_picture_header(s);
if (mb_count < 0) {
av_log(s->avctx, AV_LOG_ERROR, "HEADER ERROR\n");
}
if (s->mb_x >= s->mb_width ||
s->mb_y >= s->mb_height) {
av_log(s->avctx, AV_LOG_ERROR, "POS ERROR %d %d\n", s->mb_x, s->mb_y);
}
mb_pos = s->mb_y * s->mb_width + s->mb_x;
left = s->mb_width * s->mb_height - mb_pos;
if (mb_count > left) {
av_log(s->avctx, AV_LOG_ERROR, "COUNT ERROR\n");
}
if ((s->mb_x == 0 && s->mb_y == 0) || s->current_picture_ptr==NULL) {
if(s->current_picture_ptr){ //FIXME write parser so we always have complete frames?
ff_er_frame_end(s);
MPV_frame_end(s);
s->mb_x= s->mb_y = s->resync_mb_x = s->resync_mb_y= 0;
}
if(MPV_frame_start(s, avctx) < 0)
ff_er_frame_start(s);
}
av_dlog(avctx, "qscale=%d\n", s->qscale);
/* default quantization values */
if(s->codec_id== CODEC_ID_RV10){
if(s->mb_y==0) s->first_slice_line=1;
}else{
s->first_slice_line=1;
s->resync_mb_x= s->mb_x;
}
start_mb_x= s->mb_x;
s->resync_mb_y= s->mb_y;
if(s->h263_aic){
s->y_dc_scale_table=
s->c_dc_scale_table= ff_aic_dc_scale_table;
}else{
s->y_dc_scale_table=
s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
}
if(s->modified_quant)
s->chroma_qscale_table= ff_h263_chroma_qscale_table;
ff_set_qscale(s, s->qscale);
s->rv10_first_dc_coded[0] = 0;
s->rv10_first_dc_coded[1] = 0;
s->rv10_first_dc_coded[2] = 0;
s->block_wrap[0]=
s->block_wrap[1]=
s->block_wrap[2]=
s->block_wrap[3]= s->b8_stride;
s->block_wrap[4]=
s->block_wrap[5]= s->mb_stride;
ff_init_block_index(s);
/* decode each macroblock */
for(s->mb_num_left= mb_count; s->mb_num_left>0; s->mb_num_left--) {
int ret;
ff_update_block_index(s);
av_dlog(avctx, "**mb x=%d y=%d\n", s->mb_x, s->mb_y);
s->mv_dir = MV_DIR_FORWARD;
s->mv_type = MV_TYPE_16X16;
ret=ff_h263_decode_mb(s, s->block);
if (ret != SLICE_ERROR && s->gb.size_in_bits < get_bits_count(&s->gb) && 8*buf_size2 >= get_bits_count(&s->gb)){
av_log(avctx, AV_LOG_DEBUG, "update size from %d to %d\n", s->gb.size_in_bits, 8*buf_size2);
s->gb.size_in_bits= 8*buf_size2;
ret= SLICE_OK;
}
if (ret == SLICE_ERROR || s->gb.size_in_bits < get_bits_count(&s->gb)) {
av_log(s->avctx, AV_LOG_ERROR, "ERROR at MB %d %d\n", s->mb_x, s->mb_y);
}
if(s->pict_type != AV_PICTURE_TYPE_B)
ff_h263_update_motion_val(s);
MPV_decode_mb(s, s->block);
if(s->loop_filter)
ff_h263_loop_filter(s);
if (++s->mb_x == s->mb_width) {
s->mb_x = 0;
s->mb_y++;
ff_init_block_index(s);
}
if(s->mb_x == s->resync_mb_x)
s->first_slice_line=0;
if(ret == SLICE_END) break;
}
ff_er_add_slice(s, start_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, AC_END|DC_END|MV_END);
return s->gb.size_in_bits;
} | 2,232 |
FFmpeg | 535df748c5043bac6b03e598cfa93160ecce8383 | 1 | static void video_encode_example(const char *filename, int codec_id)
{
AVCodec *codec;
AVCodecContext *c= NULL;
int i, ret, x, y, got_output;
FILE *f;
AVFrame *picture;
AVPacket pkt;
uint8_t endcode[] = { 0, 0, 1, 0xb7 };
printf("Encode video file %s\n", filename);
/* find the mpeg1 video encoder */
codec = avcodec_find_encoder(codec_id);
if (!codec) {
fprintf(stderr, "codec not found\n");
exit(1);
}
c = avcodec_alloc_context3(codec);
picture= avcodec_alloc_frame();
/* put sample parameters */
c->bit_rate = 400000;
/* resolution must be a multiple of two */
c->width = 352;
c->height = 288;
/* frames per second */
c->time_base= (AVRational){1,25};
c->gop_size = 10; /* emit one intra frame every ten frames */
c->max_b_frames=1;
c->pix_fmt = PIX_FMT_YUV420P;
if(codec_id == AV_CODEC_ID_H264)
av_opt_set(c->priv_data, "preset", "slow", 0);
/* open it */
if (avcodec_open2(c, codec, NULL) < 0) {
fprintf(stderr, "could not open codec\n");
exit(1);
}
f = fopen(filename, "wb");
if (!f) {
fprintf(stderr, "could not open %s\n", filename);
exit(1);
}
/* the image can be allocated by any means and av_image_alloc() is
* just the most convenient way if av_malloc() is to be used */
ret = av_image_alloc(picture->data, picture->linesize, c->width, c->height,
c->pix_fmt, 32);
if (ret < 0) {
fprintf(stderr, "could not alloc raw picture buffer\n");
exit(1);
}
picture->format = c->pix_fmt;
picture->width = c->width;
picture->height = c->height;
/* encode 1 second of video */
for(i=0;i<25;i++) {
av_init_packet(&pkt);
pkt.data = NULL; // packet data will be allocated by the encoder
pkt.size = 0;
fflush(stdout);
/* prepare a dummy image */
/* Y */
for(y=0;y<c->height;y++) {
for(x=0;x<c->width;x++) {
picture->data[0][y * picture->linesize[0] + x] = x + y + i * 3;
}
}
/* Cb and Cr */
for(y=0;y<c->height/2;y++) {
for(x=0;x<c->width/2;x++) {
picture->data[1][y * picture->linesize[1] + x] = 128 + y + i * 2;
picture->data[2][y * picture->linesize[2] + x] = 64 + x + i * 5;
}
}
picture->pts = i;
/* encode the image */
ret = avcodec_encode_video2(c, &pkt, picture, &got_output);
if (ret < 0) {
fprintf(stderr, "error encoding frame\n");
exit(1);
}
if (got_output) {
printf("encoding frame %3d (size=%5d)\n", i, pkt.size);
fwrite(pkt.data, 1, pkt.size, f);
av_free_packet(&pkt);
}
}
/* get the delayed frames */
for (got_output = 1; got_output; i++) {
fflush(stdout);
ret = avcodec_encode_video2(c, &pkt, NULL, &got_output);
if (ret < 0) {
fprintf(stderr, "error encoding frame\n");
exit(1);
}
if (got_output) {
printf("write frame %3d (size=%5d)\n", i, pkt.size);
fwrite(pkt.data, 1, pkt.size, f);
av_free_packet(&pkt);
}
}
/* add sequence end code to have a real mpeg file */
fwrite(endcode, 1, sizeof(endcode), f);
fclose(f);
avcodec_close(c);
av_free(c);
av_freep(&picture->data[0]);
av_free(picture);
printf("\n");
}
| 2,233 |
qemu | 5af35d7feccaa7d26b72c6c3d14116421d736b36 | 1 | static void usb_host_handle_reset(USBDevice *udev)
{
USBHostDevice *s = USB_HOST_DEVICE(udev);
trace_usb_host_reset(s->bus_num, s->addr);
if (udev->configuration == 0) {
return;
}
usb_host_release_interfaces(s);
libusb_reset_device(s->dh);
usb_host_claim_interfaces(s, 0);
usb_host_ep_update(s);
}
| 2,234 |
FFmpeg | 7521c4bab28ff3a622171be5b39a6b210f4263f0 | 1 | static int matroska_read_seek(AVFormatContext *s, int stream_index,
int64_t timestamp, int flags)
{
MatroskaDemuxContext *matroska = s->priv_data;
MatroskaTrack *tracks = matroska->tracks.elem;
AVStream *st = s->streams[stream_index];
int i, index, index_sub, index_min;
/* Parse the CUES now since we need the index data to seek. */
if (matroska->cues_parsing_deferred) {
matroska_parse_cues(matroska);
matroska->cues_parsing_deferred = 0;
}
if (!st->nb_index_entries)
return 0;
timestamp = FFMAX(timestamp, st->index_entries[0].timestamp);
if ((index = av_index_search_timestamp(st, timestamp, flags)) < 0) {
avio_seek(s->pb, st->index_entries[st->nb_index_entries-1].pos, SEEK_SET);
matroska->current_id = 0;
while ((index = av_index_search_timestamp(st, timestamp, flags)) < 0) {
matroska_clear_queue(matroska);
if (matroska_parse_cluster(matroska) < 0)
break;
}
}
matroska_clear_queue(matroska);
if (index < 0)
return 0;
index_min = index;
for (i=0; i < matroska->tracks.nb_elem; i++) {
tracks[i].audio.pkt_cnt = 0;
tracks[i].audio.sub_packet_cnt = 0;
tracks[i].audio.buf_timecode = AV_NOPTS_VALUE;
tracks[i].end_timecode = 0;
if (tracks[i].type == MATROSKA_TRACK_TYPE_SUBTITLE
&& !tracks[i].stream->discard != AVDISCARD_ALL) {
index_sub = av_index_search_timestamp(tracks[i].stream, st->index_entries[index].timestamp, AVSEEK_FLAG_BACKWARD);
if (index_sub >= 0
&& st->index_entries[index_sub].pos < st->index_entries[index_min].pos
&& st->index_entries[index].timestamp - st->index_entries[index_sub].timestamp < 30000000000/matroska->time_scale)
index_min = index_sub;
}
}
avio_seek(s->pb, st->index_entries[index_min].pos, SEEK_SET);
matroska->current_id = 0;
matroska->skip_to_keyframe = !(flags & AVSEEK_FLAG_ANY);
matroska->skip_to_timecode = st->index_entries[index].timestamp;
matroska->done = 0;
ff_update_cur_dts(s, st, st->index_entries[index].timestamp);
return 0;
} | 2,236 |
qemu | 3e36aba757f76673007a80b3cd56a4062c2e3462 | 1 | static int mp_pacl_setxattr(FsContext *ctx, const char *path, const char *name,
void *value, size_t size, int flags)
{
char *buffer;
int ret;
buffer = rpath(ctx, path);
ret = lsetxattr(buffer, MAP_ACL_ACCESS, value, size, flags);
g_free(buffer);
return ret;
}
| 2,237 |
qemu | 7372c2b926200db295412efbb53f93773b7f1754 | 1 | static inline void qemu_assert(int cond, const char *msg)
{
if (!cond) {
fprintf (stderr, "badness: %s\n", msg);
abort();
}
}
| 2,239 |
FFmpeg | f6774f905fb3cfdc319523ac640be30b14c1bc55 | 1 | static inline int pic_is_unused(MpegEncContext *s, Picture *pic)
{
if (pic->f.buf[0] == NULL)
return 1;
if (pic->needs_realloc && !(pic->reference & DELAYED_PIC_REF))
return 1;
return 0;
}
| 2,240 |
qemu | 28de2dcd88de31f50bbd43d9c2fcb046c3a727cb | 1 | static int coroutine_fn bdrv_co_do_pwritev(BlockDriverState *bs,
int64_t offset, unsigned int bytes, QEMUIOVector *qiov,
BdrvRequestFlags flags)
{
BdrvTrackedRequest req;
/* TODO Lift BDRV_SECTOR_SIZE restriction in BlockDriver interface */
uint64_t align = MAX(BDRV_SECTOR_SIZE, bs->request_alignment);
uint8_t *head_buf = NULL;
uint8_t *tail_buf = NULL;
QEMUIOVector local_qiov;
bool use_local_qiov = false;
int ret;
if (!bs->drv) {
return -ENOMEDIUM;
}
if (bs->read_only) {
return -EACCES;
}
if (bdrv_check_byte_request(bs, offset, bytes)) {
return -EIO;
}
/* throttling disk I/O */
if (bs->io_limits_enabled) {
/* TODO Switch to byte granularity */
bdrv_io_limits_intercept(bs, bytes >> BDRV_SECTOR_BITS, true);
}
/*
* Align write if necessary by performing a read-modify-write cycle.
* Pad qiov with the read parts and be sure to have a tracked request not
* only for bdrv_aligned_pwritev, but also for the reads of the RMW cycle.
*/
tracked_request_begin(&req, bs, offset, bytes, true);
if (offset & (align - 1)) {
QEMUIOVector head_qiov;
struct iovec head_iov;
mark_request_serialising(&req, align);
wait_serialising_requests(&req);
head_buf = qemu_blockalign(bs, align);
head_iov = (struct iovec) {
.iov_base = head_buf,
.iov_len = align,
};
qemu_iovec_init_external(&head_qiov, &head_iov, 1);
ret = bdrv_aligned_preadv(bs, &req, offset & ~(align - 1), align,
align, &head_qiov, 0);
if (ret < 0) {
goto fail;
}
qemu_iovec_init(&local_qiov, qiov->niov + 2);
qemu_iovec_add(&local_qiov, head_buf, offset & (align - 1));
qemu_iovec_concat(&local_qiov, qiov, 0, qiov->size);
use_local_qiov = true;
bytes += offset & (align - 1);
offset = offset & ~(align - 1);
}
if ((offset + bytes) & (align - 1)) {
QEMUIOVector tail_qiov;
struct iovec tail_iov;
size_t tail_bytes;
mark_request_serialising(&req, align);
wait_serialising_requests(&req);
tail_buf = qemu_blockalign(bs, align);
tail_iov = (struct iovec) {
.iov_base = tail_buf,
.iov_len = align,
};
qemu_iovec_init_external(&tail_qiov, &tail_iov, 1);
ret = bdrv_aligned_preadv(bs, &req, (offset + bytes) & ~(align - 1), align,
align, &tail_qiov, 0);
if (ret < 0) {
goto fail;
}
if (!use_local_qiov) {
qemu_iovec_init(&local_qiov, qiov->niov + 1);
qemu_iovec_concat(&local_qiov, qiov, 0, qiov->size);
use_local_qiov = true;
}
tail_bytes = (offset + bytes) & (align - 1);
qemu_iovec_add(&local_qiov, tail_buf + tail_bytes, align - tail_bytes);
bytes = ROUND_UP(bytes, align);
}
ret = bdrv_aligned_pwritev(bs, &req, offset, bytes,
use_local_qiov ? &local_qiov : qiov,
flags);
fail:
tracked_request_end(&req);
if (use_local_qiov) {
qemu_iovec_destroy(&local_qiov);
qemu_vfree(head_buf);
qemu_vfree(tail_buf);
}
return ret;
}
| 2,241 |
FFmpeg | 8458dab185ab52c3663c6f5a57c2bee7ca22af37 | 0 | static void vmd_decode(VmdVideoContext *s)
{
int i;
unsigned int *palette32;
unsigned char r, g, b;
/* point to the start of the encoded data */
unsigned char *p = s->buf + 16;
unsigned char *pb;
unsigned char meth;
unsigned char *dp; /* pointer to current frame */
unsigned char *pp; /* pointer to previous frame */
unsigned char len;
int ofs;
int frame_x, frame_y;
int frame_width, frame_height;
frame_x = LE_16(&s->buf[6]);
frame_y = LE_16(&s->buf[8]);
frame_width = LE_16(&s->buf[10]) - frame_x + 1;
frame_height = LE_16(&s->buf[12]) - frame_y + 1;
/* if only a certain region will be updated, copy the entire previous
* frame before the decode */
if (frame_x || frame_y || (frame_width != s->avctx->width) ||
(frame_height != s->avctx->height)) {
memcpy(s->frame.data[0], s->prev_frame.data[0],
s->avctx->height * s->frame.linesize[0]);
}
/* check if there is a new palette */
if (s->buf[15] & 0x02) {
p += 2;
palette32 = (unsigned int *)s->palette;
for (i = 0; i < PALETTE_COUNT; i++) {
r = *p++ * 4;
g = *p++ * 4;
b = *p++ * 4;
palette32[i] = (r << 16) | (g << 8) | (b);
}
s->size -= (256 * 3 + 2);
}
if (s->size >= 0) {
/* originally UnpackFrame in VAG's code */
pb = p;
meth = *pb++;
if (meth & 0x80) {
lz_unpack(pb, s->unpack_buffer);
meth &= 0x7F;
pb = s->unpack_buffer;
}
dp = &s->frame.data[0][frame_y * s->frame.linesize[0] + frame_x];
pp = &s->prev_frame.data[0][frame_y * s->prev_frame.linesize[0] + frame_x];
switch (meth) {
case 1:
for (i = 0; i < frame_height; i++) {
ofs = 0;
do {
len = *pb++;
if (len & 0x80) {
len = (len & 0x7F) + 1;
memcpy(&dp[ofs], pb, len);
pb += len;
ofs += len;
} else {
/* interframe pixel copy */
memcpy(&dp[ofs], &pp[ofs], len + 1);
ofs += len + 1;
}
} while (ofs < frame_width);
if (ofs > frame_width) {
av_log(s->avctx, AV_LOG_ERROR, "VMD video: offset > width (%d > %d)\n",
ofs, frame_width);
break;
}
dp += s->frame.linesize[0];
pp += s->prev_frame.linesize[0];
}
break;
case 2:
for (i = 0; i < frame_height; i++) {
memcpy(dp, pb, frame_width);
pb += frame_width;
dp += s->frame.linesize[0];
pp += s->prev_frame.linesize[0];
}
break;
case 3:
for (i = 0; i < frame_height; i++) {
ofs = 0;
do {
len = *pb++;
if (len & 0x80) {
len = (len & 0x7F) + 1;
if (*pb++ == 0xFF)
len = rle_unpack(pb, &dp[ofs], len);
else
memcpy(&dp[ofs], pb, len);
pb += len;
ofs += len;
} else {
/* interframe pixel copy */
memcpy(&dp[ofs], &pp[ofs], len + 1);
ofs += len + 1;
}
} while (ofs < frame_width);
if (ofs > frame_width) {
av_log(s->avctx, AV_LOG_ERROR, "VMD video: offset > width (%d > %d)\n",
ofs, frame_width);
}
dp += s->frame.linesize[0];
pp += s->prev_frame.linesize[0];
}
break;
}
}
}
| 2,242 |
qemu | b027a538c6790bcfc93ef7f4819fe3e581445959 | 1 | static int oss_ctl_in (HWVoiceIn *hw, int cmd, ...)
{
OSSVoiceIn *oss = (OSSVoiceIn *) hw;
switch (cmd) {
case VOICE_ENABLE:
{
va_list ap;
int poll_mode;
va_start (ap, cmd);
poll_mode = va_arg (ap, int);
va_end (ap);
if (poll_mode && oss_poll_in (hw)) {
poll_mode = 0;
}
hw->poll_mode = poll_mode;
}
break;
case VOICE_DISABLE:
if (hw->poll_mode) {
hw->poll_mode = 0;
qemu_set_fd_handler (oss->fd, NULL, NULL, NULL);
}
break;
}
return 0;
}
| 2,243 |
qemu | 449041d4db1f82f281fe097e832f07cd9ee1e864 | 1 | static int parse_uint32(DeviceState *dev, Property *prop, const char *str)
{
uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
const char *fmt;
/* accept both hex and decimal */
fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx32 : "%" PRIu32;
if (sscanf(str, fmt, ptr) != 1)
return -EINVAL;
return 0;
}
| 2,244 |
qemu | 710c15a2e9078931f496424d8e10241f4930f940 | 1 | void OPPROTO op_lmsw_T0(void)
{
/* only 4 lower bits of CR0 are modified */
T0 = (env->cr[0] & ~0xf) | (T0 & 0xf);
helper_movl_crN_T0(0);
}
| 2,245 |
qemu | 7a8919dc29a9f46dcadd950c2aa1acf74f28974d | 1 | static int slirp_guestfwd(SlirpState *s, const char *config_str,
int legacy_format)
{
struct in_addr server = { .s_addr = 0 };
struct GuestFwd *fwd;
const char *p;
char buf[128];
char *end;
int port;
p = config_str;
if (legacy_format) {
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) {
goto fail_syntax;
}
} else {
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) {
goto fail_syntax;
}
if (strcmp(buf, "tcp") && buf[0] != '\0') {
goto fail_syntax;
}
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) {
goto fail_syntax;
}
if (buf[0] != '\0' && !inet_aton(buf, &server)) {
goto fail_syntax;
}
if (get_str_sep(buf, sizeof(buf), &p, '-') < 0) {
goto fail_syntax;
}
}
port = strtol(buf, &end, 10);
if (*end != '\0' || port < 1 || port > 65535) {
goto fail_syntax;
}
fwd = g_malloc(sizeof(struct GuestFwd));
snprintf(buf, sizeof(buf), "guestfwd.tcp.%d", port);
if ((strlen(p) > 4) && !strncmp(p, "cmd:", 4)) {
if (slirp_add_exec(s->slirp, 0, &p[4], &server, port) < 0) {
error_report("conflicting/invalid host:port in guest forwarding "
"rule '%s'", config_str);
g_free(fwd);
return -1;
}
} else {
fwd->hd = qemu_chr_new(buf, p, NULL);
if (!fwd->hd) {
error_report("could not open guest forwarding device '%s'", buf);
g_free(fwd);
return -1;
}
if (slirp_add_exec(s->slirp, 3, fwd->hd, &server, port) < 0) {
error_report("conflicting/invalid host:port in guest forwarding "
"rule '%s'", config_str);
g_free(fwd);
return -1;
}
fwd->server = server;
fwd->port = port;
fwd->slirp = s->slirp;
qemu_chr_fe_claim_no_fail(fwd->hd);
qemu_chr_add_handlers(fwd->hd, guestfwd_can_read, guestfwd_read,
NULL, fwd);
}
return 0;
fail_syntax:
error_report("invalid guest forwarding rule '%s'", config_str);
return -1;
}
| 2,247 |
qemu | 297a3646c2947ee64a6d42ca264039732c6218e0 | 1 | void visit_start_list(Visitor *v, const char *name, Error **errp)
{
if (!error_is_set(errp)) {
v->start_list(v, name, errp);
}
}
| 2,248 |
FFmpeg | a4f6be86d67ae30d494fbe8a470bc32b715d75a9 | 0 | static void av_always_inline filter_mb_edgev( uint8_t *pix, int stride, const int16_t bS[4], unsigned int qp, H264Context *h) {
const int qp_bd_offset = 6 * (h->sps.bit_depth_luma - 8);
const unsigned int index_a = qp - qp_bd_offset + h->slice_alpha_c0_offset;
const int alpha = alpha_table[index_a];
const int beta = beta_table[qp - qp_bd_offset + h->slice_beta_offset];
if (alpha ==0 || beta == 0) return;
if( bS[0] < 4 ) {
int8_t tc[4];
tc[0] = tc0_table[index_a][bS[0]];
tc[1] = tc0_table[index_a][bS[1]];
tc[2] = tc0_table[index_a][bS[2]];
tc[3] = tc0_table[index_a][bS[3]];
h->h264dsp.h264_h_loop_filter_luma(pix, stride, alpha, beta, tc);
} else {
h->h264dsp.h264_h_loop_filter_luma_intra(pix, stride, alpha, beta);
}
}
| 2,249 |
FFmpeg | 05dd5368a92718f3a25f97f4697acffbabc7458f | 0 | static int decode_info_header(NUTContext *nut)
{
AVFormatContext *s = nut->avf;
AVIOContext *bc = s->pb;
uint64_t tmp, chapter_start, chapter_len;
unsigned int stream_id_plus1, count;
int chapter_id, i;
int64_t value, end;
char name[256], str_value[1024], type_str[256];
const char *type;
int *event_flags;
AVChapter *chapter = NULL;
AVStream *st = NULL;
AVDictionary **metadata = NULL;
int metadata_flag = 0;
end = get_packetheader(nut, bc, 1, INFO_STARTCODE);
end += avio_tell(bc);
GET_V(stream_id_plus1, tmp <= s->nb_streams);
chapter_id = get_s(bc);
chapter_start = ffio_read_varlen(bc);
chapter_len = ffio_read_varlen(bc);
count = ffio_read_varlen(bc);
if (chapter_id && !stream_id_plus1) {
int64_t start = chapter_start / nut->time_base_count;
chapter = avpriv_new_chapter(s, chapter_id,
nut->time_base[chapter_start %
nut->time_base_count],
start, start + chapter_len, NULL);
metadata = &chapter->metadata;
} else if (stream_id_plus1) {
st = s->streams[stream_id_plus1 - 1];
metadata = &st->metadata;
event_flags = &st->event_flags;
metadata_flag = AVSTREAM_EVENT_FLAG_METADATA_UPDATED;
} else {
metadata = &s->metadata;
event_flags = &s->event_flags;
metadata_flag = AVFMT_EVENT_FLAG_METADATA_UPDATED;
}
for (i = 0; i < count; i++) {
get_str(bc, name, sizeof(name));
value = get_s(bc);
if (value == -1) {
type = "UTF-8";
get_str(bc, str_value, sizeof(str_value));
} else if (value == -2) {
get_str(bc, type_str, sizeof(type_str));
type = type_str;
get_str(bc, str_value, sizeof(str_value));
} else if (value == -3) {
type = "s";
value = get_s(bc);
} else if (value == -4) {
type = "t";
value = ffio_read_varlen(bc);
} else if (value < -4) {
type = "r";
get_s(bc);
} else {
type = "v";
}
if (stream_id_plus1 > s->nb_streams) {
av_log(s, AV_LOG_ERROR, "invalid stream id for info packet\n");
continue;
}
if (!strcmp(type, "UTF-8")) {
if (chapter_id == 0 && !strcmp(name, "Disposition")) {
set_disposition_bits(s, str_value, stream_id_plus1 - 1);
continue;
}
if (stream_id_plus1 && !strcmp(name, "r_frame_rate")) {
sscanf(str_value, "%d/%d", &st->r_frame_rate.num, &st->r_frame_rate.den);
if (st->r_frame_rate.num >= 1000LL*st->r_frame_rate.den)
st->r_frame_rate.num = st->r_frame_rate.den = 0;
continue;
}
if (metadata && av_strcasecmp(name, "Uses") &&
av_strcasecmp(name, "Depends") && av_strcasecmp(name, "Replaces")) {
*event_flags |= metadata_flag;
av_dict_set(metadata, name, str_value, 0);
}
}
}
if (skip_reserved(bc, end) || ffio_get_checksum(bc)) {
av_log(s, AV_LOG_ERROR, "info header checksum mismatch\n");
return AVERROR_INVALIDDATA;
}
return 0;
}
| 2,250 |
FFmpeg | ef363ebd596da18f889a7d4845023a23dfac84c9 | 0 | static void mp3_update_xing(AVFormatContext *s)
{
MP3Context *mp3 = s->priv_data;
int i;
/* replace "Xing" identification string with "Info" for CBR files. */
if (!mp3->has_variable_bitrate) {
avio_seek(s->pb, mp3->xing_offset, SEEK_SET);
ffio_wfourcc(s->pb, "Info");
}
avio_seek(s->pb, mp3->xing_offset + 8, SEEK_SET);
avio_wb32(s->pb, mp3->frames);
avio_wb32(s->pb, mp3->size);
avio_w8(s->pb, 0); // first toc entry has to be zero.
for (i = 1; i < XING_TOC_SIZE; ++i) {
int j = i * mp3->pos / XING_TOC_SIZE;
int seek_point = 256LL * mp3->bag[j] / mp3->size;
avio_w8(s->pb, FFMIN(seek_point, 255));
}
avio_seek(s->pb, 0, SEEK_END);
}
| 2,251 |
qemu | 06afe2c8840ec39c3b23db0eb830a5f49244b947 | 1 | static void sh7750_mem_writel(void *opaque, target_phys_addr_t addr,
uint32_t mem_value)
{
SH7750State *s = opaque;
uint16_t temp;
switch (addr) {
/* SDRAM controller */
case SH7750_BCR1_A7:
case SH7750_BCR4_A7:
case SH7750_WCR1_A7:
case SH7750_WCR2_A7:
case SH7750_WCR3_A7:
case SH7750_MCR_A7:
ignore_access("long write", addr);
return;
/* IO ports */
case SH7750_PCTRA_A7:
temp = porta_lines(s);
s->pctra = mem_value;
s->portdira = portdir(mem_value);
s->portpullupa = portpullup(mem_value);
porta_changed(s, temp);
return;
case SH7750_PCTRB_A7:
temp = portb_lines(s);
s->pctrb = mem_value;
s->portdirb = portdir(mem_value);
s->portpullupb = portpullup(mem_value);
portb_changed(s, temp);
return;
case SH7750_MMUCR_A7:
s->cpu->mmucr = mem_value;
return;
case SH7750_PTEH_A7:
s->cpu->pteh = mem_value;
return;
case SH7750_PTEL_A7:
s->cpu->ptel = mem_value;
return;
case SH7750_PTEA_A7:
s->cpu->ptea = mem_value & 0x0000000f;
return;
case SH7750_TTB_A7:
s->cpu->ttb = mem_value;
return;
case SH7750_TEA_A7:
s->cpu->tea = mem_value;
return;
case SH7750_TRA_A7:
s->cpu->tra = mem_value & 0x000007ff;
return;
case SH7750_EXPEVT_A7:
s->cpu->expevt = mem_value & 0x000007ff;
return;
case SH7750_INTEVT_A7:
s->cpu->intevt = mem_value & 0x000007ff;
return;
case SH7750_CCR_A7:
s->ccr = mem_value;
return;
default:
error_access("long write", addr);
assert(0);
}
} | 2,252 |
qemu | f140e3000371e67ff4e00df3213e2d576d9c91be | 1 | int nbd_receive_negotiate(QIOChannel *ioc, const char *name,
QCryptoTLSCreds *tlscreds, const char *hostname,
QIOChannel **outioc, NBDExportInfo *info,
Error **errp)
{
char buf[256];
uint64_t magic;
int rc;
bool zeroes = true;
trace_nbd_receive_negotiate(tlscreds, hostname ? hostname : "<null>");
rc = -EINVAL;
if (outioc) {
*outioc = NULL;
}
if (tlscreds && !outioc) {
error_setg(errp, "Output I/O channel required for TLS");
goto fail;
}
if (nbd_read(ioc, buf, 8, errp) < 0) {
error_prepend(errp, "Failed to read data");
goto fail;
}
buf[8] = '\0';
if (strlen(buf) == 0) {
error_setg(errp, "Server connection closed unexpectedly");
goto fail;
}
magic = ldq_be_p(buf);
trace_nbd_receive_negotiate_magic(magic);
if (memcmp(buf, "NBDMAGIC", 8) != 0) {
error_setg(errp, "Invalid magic received");
goto fail;
}
if (nbd_read(ioc, &magic, sizeof(magic), errp) < 0) {
error_prepend(errp, "Failed to read magic");
goto fail;
}
magic = be64_to_cpu(magic);
trace_nbd_receive_negotiate_magic(magic);
if (magic == NBD_OPTS_MAGIC) {
uint32_t clientflags = 0;
uint16_t globalflags;
bool fixedNewStyle = false;
if (nbd_read(ioc, &globalflags, sizeof(globalflags), errp) < 0) {
error_prepend(errp, "Failed to read server flags");
goto fail;
}
globalflags = be16_to_cpu(globalflags);
trace_nbd_receive_negotiate_server_flags(globalflags);
if (globalflags & NBD_FLAG_FIXED_NEWSTYLE) {
fixedNewStyle = true;
clientflags |= NBD_FLAG_C_FIXED_NEWSTYLE;
}
if (globalflags & NBD_FLAG_NO_ZEROES) {
zeroes = false;
clientflags |= NBD_FLAG_C_NO_ZEROES;
}
/* client requested flags */
clientflags = cpu_to_be32(clientflags);
if (nbd_write(ioc, &clientflags, sizeof(clientflags), errp) < 0) {
error_prepend(errp, "Failed to send clientflags field");
goto fail;
}
if (tlscreds) {
if (fixedNewStyle) {
*outioc = nbd_receive_starttls(ioc, tlscreds, hostname, errp);
if (!*outioc) {
goto fail;
}
ioc = *outioc;
} else {
error_setg(errp, "Server does not support STARTTLS");
goto fail;
}
}
if (!name) {
trace_nbd_receive_negotiate_default_name();
name = "";
}
if (fixedNewStyle) {
int result;
if (structured_reply) {
result = nbd_request_simple_option(ioc,
NBD_OPT_STRUCTURED_REPLY,
errp);
if (result < 0) {
goto fail;
}
info->structured_reply = result == 1;
}
/* Try NBD_OPT_GO first - if it works, we are done (it
* also gives us a good message if the server requires
* TLS). If it is not available, fall back to
* NBD_OPT_LIST for nicer error messages about a missing
* export, then use NBD_OPT_EXPORT_NAME. */
result = nbd_opt_go(ioc, name, info, errp);
if (result < 0) {
goto fail;
}
if (result > 0) {
return 0;
}
/* Check our desired export is present in the
* server export list. Since NBD_OPT_EXPORT_NAME
* cannot return an error message, running this
* query gives us better error reporting if the
* export name is not available.
*/
if (nbd_receive_query_exports(ioc, name, errp) < 0) {
goto fail;
}
}
/* write the export name request */
if (nbd_send_option_request(ioc, NBD_OPT_EXPORT_NAME, -1, name,
errp) < 0) {
goto fail;
}
/* Read the response */
if (nbd_read(ioc, &info->size, sizeof(info->size), errp) < 0) {
error_prepend(errp, "Failed to read export length");
goto fail;
}
be64_to_cpus(&info->size);
if (nbd_read(ioc, &info->flags, sizeof(info->flags), errp) < 0) {
error_prepend(errp, "Failed to read export flags");
goto fail;
}
be16_to_cpus(&info->flags);
} else if (magic == NBD_CLIENT_MAGIC) {
uint32_t oldflags;
if (name) {
error_setg(errp, "Server does not support export names");
goto fail;
}
if (tlscreds) {
error_setg(errp, "Server does not support STARTTLS");
goto fail;
}
if (nbd_read(ioc, &info->size, sizeof(info->size), errp) < 0) {
error_prepend(errp, "Failed to read export length");
goto fail;
}
be64_to_cpus(&info->size);
if (nbd_read(ioc, &oldflags, sizeof(oldflags), errp) < 0) {
error_prepend(errp, "Failed to read export flags");
goto fail;
}
be32_to_cpus(&oldflags);
if (oldflags & ~0xffff) {
error_setg(errp, "Unexpected export flags %0x" PRIx32, oldflags);
goto fail;
}
info->flags = oldflags;
} else {
error_setg(errp, "Bad magic received");
goto fail;
}
trace_nbd_receive_negotiate_size_flags(info->size, info->flags);
if (zeroes && nbd_drop(ioc, 124, errp) < 0) {
error_prepend(errp, "Failed to read reserved block");
goto fail;
}
rc = 0;
fail:
return rc;
} | 2,254 |
qemu | 54c42368f57c02b0970bb32b4542f99b913908ba | 1 | static int check_refcounts_l1(BlockDriverState *bs,
uint16_t *refcount_table,
int refcount_table_size,
int64_t l1_table_offset, int l1_size,
int check_copied)
{
BDRVQcowState *s = bs->opaque;
uint64_t *l1_table, l2_offset, l1_size2;
int i, refcount, ret;
int errors = 0;
l1_size2 = l1_size * sizeof(uint64_t);
/* Mark L1 table as used */
errors += inc_refcounts(bs, refcount_table, refcount_table_size,
l1_table_offset, l1_size2);
/* Read L1 table entries from disk */
l1_table = qemu_malloc(l1_size2);
if (bdrv_pread(s->hd, l1_table_offset,
l1_table, l1_size2) != l1_size2)
goto fail;
for(i = 0;i < l1_size; i++)
be64_to_cpus(&l1_table[i]);
/* Do the actual checks */
for(i = 0; i < l1_size; i++) {
l2_offset = l1_table[i];
if (l2_offset) {
/* QCOW_OFLAG_COPIED must be set iff refcount == 1 */
if (check_copied) {
refcount = get_refcount(bs, (l2_offset & ~QCOW_OFLAG_COPIED)
>> s->cluster_bits);
if ((refcount == 1) != ((l2_offset & QCOW_OFLAG_COPIED) != 0)) {
fprintf(stderr, "ERROR OFLAG_COPIED: l2_offset=%" PRIx64
" refcount=%d\n", l2_offset, refcount);
/* Mark L2 table as used */
l2_offset &= ~QCOW_OFLAG_COPIED;
errors += inc_refcounts(bs, refcount_table,
refcount_table_size,
l2_offset,
s->cluster_size);
/* Process and check L2 entries */
ret = check_refcounts_l2(bs, refcount_table, refcount_table_size,
l2_offset, check_copied);
if (ret < 0) {
goto fail;
errors += ret;
qemu_free(l1_table);
return errors;
fail:
fprintf(stderr, "ERROR: I/O error in check_refcounts_l1\n");
qemu_free(l1_table);
return -EIO; | 2,255 |
FFmpeg | 1cb0edb40b8e94e1a50ad40c40d43e34ed8435fe | 1 | static void mpeg_decode_sequence_extension(MpegEncContext *s)
{
int horiz_size_ext, vert_size_ext;
int bit_rate_ext, vbv_buf_ext, low_delay;
int frame_rate_ext_n, frame_rate_ext_d;
skip_bits(&s->gb, 8); /* profil and level */
skip_bits(&s->gb, 1); /* progressive_sequence */
skip_bits(&s->gb, 2); /* chroma_format */
horiz_size_ext = get_bits(&s->gb, 2);
vert_size_ext = get_bits(&s->gb, 2);
s->width |= (horiz_size_ext << 12);
s->height |= (vert_size_ext << 12);
bit_rate_ext = get_bits(&s->gb, 12); /* XXX: handle it */
s->bit_rate = ((s->bit_rate / 400) | (bit_rate_ext << 12)) * 400;
skip_bits1(&s->gb); /* marker */
vbv_buf_ext = get_bits(&s->gb, 8);
low_delay = get_bits1(&s->gb);
frame_rate_ext_n = get_bits(&s->gb, 2);
frame_rate_ext_d = get_bits(&s->gb, 5);
if (frame_rate_ext_d >= 1)
s->frame_rate = (s->frame_rate * frame_rate_ext_n) / frame_rate_ext_d;
dprintf("sequence extension\n");
s->mpeg2 = 1;
}
| 2,256 |
FFmpeg | 5ef19590802f000299e418143fc2301e3f43affe | 1 | static void do_audio_out(AVFormatContext *s, OutputStream *ost,
AVFrame *frame)
{
AVCodecContext *enc = ost->enc_ctx;
AVPacket pkt;
int got_packet = 0;
av_init_packet(&pkt);
pkt.data = NULL;
pkt.size = 0;
if (!check_recording_time(ost))
return;
if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
frame->pts = ost->sync_opts;
ost->sync_opts = frame->pts + frame->nb_samples;
ost->samples_encoded += frame->nb_samples;
ost->frames_encoded++;
av_assert0(pkt.size || !pkt.data);
update_benchmark(NULL);
if (debug_ts) {
av_log(NULL, AV_LOG_INFO, "encoder <- type:audio "
"frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
av_ts2str(frame->pts), av_ts2timestr(frame->pts, &enc->time_base),
enc->time_base.num, enc->time_base.den);
}
if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
exit_program(1);
}
update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
if (got_packet) {
av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
if (debug_ts) {
av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
"pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
}
write_frame(s, &pkt, ost);
}
}
| 2,257 |
qemu | 60fe637bf0e4d7989e21e50f52526444765c63b4 | 1 | static void put_int16(QEMUFile *f, void *pv, size_t size)
{
int16_t *v = pv;
qemu_put_sbe16s(f, v);
}
| 2,258 |
qemu | ad0ebb91cd8b5fdc4a583b03645677771f420a46 | 1 | static void rtas_set_tce_bypass(sPAPREnvironment *spapr, uint32_t token,
uint32_t nargs, target_ulong args,
uint32_t nret, target_ulong rets)
{
VIOsPAPRBus *bus = spapr->vio_bus;
VIOsPAPRDevice *dev;
uint32_t unit, enable;
if (nargs != 2) {
rtas_st(rets, 0, -3);
return;
}
unit = rtas_ld(args, 0);
enable = rtas_ld(args, 1);
dev = spapr_vio_find_by_reg(bus, unit);
if (!dev) {
rtas_st(rets, 0, -3);
return;
}
if (enable) {
dev->flags |= VIO_PAPR_FLAG_DMA_BYPASS;
} else {
dev->flags &= ~VIO_PAPR_FLAG_DMA_BYPASS;
}
rtas_st(rets, 0, 0);
}
| 2,259 |
FFmpeg | 6f4e2b5a9564d012c05ba361020768c925dda5e1 | 1 | static int vp3_decode_end(AVCodecContext *avctx)
{
Vp3DecodeContext *s = avctx->priv_data;
int i;
av_free(s->superblock_coding);
av_free(s->all_fragments);
av_free(s->coeffs);
av_free(s->coded_fragment_list);
av_free(s->superblock_fragments);
av_free(s->superblock_macroblocks);
av_free(s->macroblock_fragments);
av_free(s->macroblock_coding);
/* release all frames */
if (s->golden_frame.data[0] && s->golden_frame.data[0] != s->last_frame.data[0])
avctx->release_buffer(avctx, &s->golden_frame);
if (s->last_frame.data[0])
avctx->release_buffer(avctx, &s->last_frame);
/* no need to release the current_frame since it will always be pointing
* to the same frame as either the golden or last frame */
return 0; | 2,261 |
qemu | 27bb0b2d6f80f058bdb6fcc8fcdfa69b0c8a6d71 | 1 | static uint32_t timer_int_route(struct HPETTimer *timer)
{
uint32_t route;
route = (timer->config & HPET_TN_INT_ROUTE_MASK) >> HPET_TN_INT_ROUTE_SHIFT;
return route;
}
| 2,262 |
qemu | 95129d6fc9ead97155627a4ca0cfd37282883658 | 0 | static int virtio_net_load_device(VirtIODevice *vdev, QEMUFile *f,
int version_id)
{
VirtIONet *n = VIRTIO_NET(vdev);
int i, link_down;
qemu_get_buffer(f, n->mac, ETH_ALEN);
n->vqs[0].tx_waiting = qemu_get_be32(f);
virtio_net_set_mrg_rx_bufs(n, qemu_get_be32(f),
virtio_has_feature(vdev, VIRTIO_F_VERSION_1));
if (version_id >= 3)
n->status = qemu_get_be16(f);
if (version_id >= 4) {
if (version_id < 8) {
n->promisc = qemu_get_be32(f);
n->allmulti = qemu_get_be32(f);
} else {
n->promisc = qemu_get_byte(f);
n->allmulti = qemu_get_byte(f);
}
}
if (version_id >= 5) {
n->mac_table.in_use = qemu_get_be32(f);
/* MAC_TABLE_ENTRIES may be different from the saved image */
if (n->mac_table.in_use <= MAC_TABLE_ENTRIES) {
qemu_get_buffer(f, n->mac_table.macs,
n->mac_table.in_use * ETH_ALEN);
} else {
int64_t i;
/* Overflow detected - can happen if source has a larger MAC table.
* We simply set overflow flag so there's no need to maintain the
* table of addresses, discard them all.
* Note: 64 bit math to avoid integer overflow.
*/
for (i = 0; i < (int64_t)n->mac_table.in_use * ETH_ALEN; ++i) {
qemu_get_byte(f);
}
n->mac_table.multi_overflow = n->mac_table.uni_overflow = 1;
n->mac_table.in_use = 0;
}
}
if (version_id >= 6)
qemu_get_buffer(f, (uint8_t *)n->vlans, MAX_VLAN >> 3);
if (version_id >= 7) {
if (qemu_get_be32(f) && !peer_has_vnet_hdr(n)) {
error_report("virtio-net: saved image requires vnet_hdr=on");
return -1;
}
}
if (version_id >= 9) {
n->mac_table.multi_overflow = qemu_get_byte(f);
n->mac_table.uni_overflow = qemu_get_byte(f);
}
if (version_id >= 10) {
n->alluni = qemu_get_byte(f);
n->nomulti = qemu_get_byte(f);
n->nouni = qemu_get_byte(f);
n->nobcast = qemu_get_byte(f);
}
if (version_id >= 11) {
if (qemu_get_byte(f) && !peer_has_ufo(n)) {
error_report("virtio-net: saved image requires TUN_F_UFO support");
return -1;
}
}
if (n->max_queues > 1) {
if (n->max_queues != qemu_get_be16(f)) {
error_report("virtio-net: different max_queues ");
return -1;
}
n->curr_queues = qemu_get_be16(f);
if (n->curr_queues > n->max_queues) {
error_report("virtio-net: curr_queues %x > max_queues %x",
n->curr_queues, n->max_queues);
return -1;
}
for (i = 1; i < n->curr_queues; i++) {
n->vqs[i].tx_waiting = qemu_get_be32(f);
}
}
if (virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_GUEST_OFFLOADS)) {
n->curr_guest_offloads = qemu_get_be64(f);
} else {
n->curr_guest_offloads = virtio_net_supported_guest_offloads(n);
}
if (peer_has_vnet_hdr(n)) {
virtio_net_apply_guest_offloads(n);
}
virtio_net_set_queues(n);
/* Find the first multicast entry in the saved MAC filter */
for (i = 0; i < n->mac_table.in_use; i++) {
if (n->mac_table.macs[i * ETH_ALEN] & 1) {
break;
}
}
n->mac_table.first_multi = i;
/* nc.link_down can't be migrated, so infer link_down according
* to link status bit in n->status */
link_down = (n->status & VIRTIO_NET_S_LINK_UP) == 0;
for (i = 0; i < n->max_queues; i++) {
qemu_get_subqueue(n->nic, i)->link_down = link_down;
}
if (virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_ANNOUNCE) &&
virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ)) {
n->announce_counter = SELF_ANNOUNCE_ROUNDS;
timer_mod(n->announce_timer, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL));
}
return 0;
}
| 2,263 |
qemu | a7812ae412311d7d47f8aa85656faadac9d64b56 | 0 | static inline void t_gen_mov_preg_TN(DisasContext *dc, int r, TCGv tn)
{
if (r < 0 || r > 15)
fprintf(stderr, "wrong register write $p%d\n", r);
if (r == PR_BZ || r == PR_WZ || r == PR_DZ)
return;
else if (r == PR_SRS)
tcg_gen_andi_tl(cpu_PR[r], tn, 3);
else {
if (r == PR_PID)
tcg_gen_helper_0_1(helper_tlb_flush_pid, tn);
if (dc->tb_flags & S_FLAG && r == PR_SPC)
tcg_gen_helper_0_1(helper_spc_write, tn);
else if (r == PR_CCS)
dc->cpustate_changed = 1;
tcg_gen_mov_tl(cpu_PR[r], tn);
}
}
| 2,264 |
qemu | 6886867e9880830d735d8ae6f6cc63ed9eb2be0c | 0 | void stl_phys_notdirty(AddressSpace *as, hwaddr addr, uint32_t val)
{
uint8_t *ptr;
MemoryRegion *mr;
hwaddr l = 4;
hwaddr addr1;
mr = address_space_translate(as, addr, &addr1, &l,
true);
if (l < 4 || !memory_access_is_direct(mr, true)) {
io_mem_write(mr, addr1, val, 4);
} else {
addr1 += memory_region_get_ram_addr(mr) & TARGET_PAGE_MASK;
ptr = qemu_get_ram_ptr(addr1);
stl_p(ptr, val);
if (unlikely(in_migration)) {
if (cpu_physical_memory_is_clean(addr1)) {
/* invalidate code */
tb_invalidate_phys_page_range(addr1, addr1 + 4, 0);
/* set dirty bit */
cpu_physical_memory_set_dirty_flag(addr1,
DIRTY_MEMORY_MIGRATION);
cpu_physical_memory_set_dirty_flag(addr1, DIRTY_MEMORY_VGA);
}
}
}
}
| 2,266 |
qemu | d3f822d241d673103046a07874f8a3f37d1cb41b | 0 | static void tty_serial_init(int fd, int speed,
int parity, int data_bits, int stop_bits)
{
struct termios tty;
speed_t spd;
#if 0
printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
speed, parity, data_bits, stop_bits);
#endif
tcgetattr (fd, &tty);
oldtty = tty;
#define check_speed(val) if (speed <= val) { spd = B##val; break; }
speed = speed * 10 / 11;
do {
check_speed(50);
check_speed(75);
check_speed(110);
check_speed(134);
check_speed(150);
check_speed(200);
check_speed(300);
check_speed(600);
check_speed(1200);
check_speed(1800);
check_speed(2400);
check_speed(4800);
check_speed(9600);
check_speed(19200);
check_speed(38400);
/* Non-Posix values follow. They may be unsupported on some systems. */
check_speed(57600);
check_speed(115200);
#ifdef B230400
check_speed(230400);
#endif
#ifdef B460800
check_speed(460800);
#endif
#ifdef B500000
check_speed(500000);
#endif
#ifdef B576000
check_speed(576000);
#endif
#ifdef B921600
check_speed(921600);
#endif
#ifdef B1000000
check_speed(1000000);
#endif
#ifdef B1152000
check_speed(1152000);
#endif
#ifdef B1500000
check_speed(1500000);
#endif
#ifdef B2000000
check_speed(2000000);
#endif
#ifdef B2500000
check_speed(2500000);
#endif
#ifdef B3000000
check_speed(3000000);
#endif
#ifdef B3500000
check_speed(3500000);
#endif
#ifdef B4000000
check_speed(4000000);
#endif
spd = B115200;
} while (0);
cfsetispeed(&tty, spd);
cfsetospeed(&tty, spd);
tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
|INLCR|IGNCR|ICRNL|IXON);
tty.c_oflag |= OPOST;
tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG);
tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB);
switch(data_bits) {
default:
case 8:
tty.c_cflag |= CS8;
break;
case 7:
tty.c_cflag |= CS7;
break;
case 6:
tty.c_cflag |= CS6;
break;
case 5:
tty.c_cflag |= CS5;
break;
}
switch(parity) {
default:
case 'N':
break;
case 'E':
tty.c_cflag |= PARENB;
break;
case 'O':
tty.c_cflag |= PARENB | PARODD;
break;
}
if (stop_bits == 2)
tty.c_cflag |= CSTOPB;
tcsetattr (fd, TCSANOW, &tty);
}
| 2,267 |
qemu | 1f0c461b82d5ec2664ca0cfc9548f80da87a8f8a | 0 | BlockBackend *blk_new_with_bs(Error **errp)
{
BlockBackend *blk;
BlockDriverState *bs;
blk = blk_new(errp);
if (!blk) {
return NULL;
}
bs = bdrv_new_root();
blk->root = bdrv_root_attach_child(bs, "root", &child_root);
blk->root->opaque = blk;
bs->blk = blk;
return blk;
}
| 2,268 |
qemu | 5df5416e639cd75bd85d243af41387c2418fa580 | 0 | static void *source_return_path_thread(void *opaque)
{
MigrationState *ms = opaque;
QEMUFile *rp = ms->rp_state.from_dst_file;
uint16_t header_len, header_type;
const int max_len = 512;
uint8_t buf[max_len];
uint32_t tmp32, sibling_error;
ram_addr_t start = 0; /* =0 to silence warning */
size_t len = 0, expected_len;
int res;
trace_source_return_path_thread_entry();
while (!ms->rp_state.error && !qemu_file_get_error(rp) &&
migration_is_setup_or_active(ms->state)) {
trace_source_return_path_thread_loop_top();
header_type = qemu_get_be16(rp);
header_len = qemu_get_be16(rp);
if (header_type >= MIG_RP_MSG_MAX ||
header_type == MIG_RP_MSG_INVALID) {
error_report("RP: Received invalid message 0x%04x length 0x%04x",
header_type, header_len);
mark_source_rp_bad(ms);
goto out;
}
if ((rp_cmd_args[header_type].len != -1 &&
header_len != rp_cmd_args[header_type].len) ||
header_len > max_len) {
error_report("RP: Received '%s' message (0x%04x) with"
"incorrect length %d expecting %zu",
rp_cmd_args[header_type].name, header_type, header_len,
(size_t)rp_cmd_args[header_type].len);
mark_source_rp_bad(ms);
goto out;
}
/* We know we've got a valid header by this point */
res = qemu_get_buffer(rp, buf, header_len);
if (res != header_len) {
error_report("RP: Failed reading data for message 0x%04x"
" read %d expected %d",
header_type, res, header_len);
mark_source_rp_bad(ms);
goto out;
}
/* OK, we have the message and the data */
switch (header_type) {
case MIG_RP_MSG_SHUT:
sibling_error = be32_to_cpup((uint32_t *)buf);
trace_source_return_path_thread_shut(sibling_error);
if (sibling_error) {
error_report("RP: Sibling indicated error %d", sibling_error);
mark_source_rp_bad(ms);
}
/*
* We'll let the main thread deal with closing the RP
* we could do a shutdown(2) on it, but we're the only user
* anyway, so there's nothing gained.
*/
goto out;
case MIG_RP_MSG_PONG:
tmp32 = be32_to_cpup((uint32_t *)buf);
trace_source_return_path_thread_pong(tmp32);
break;
case MIG_RP_MSG_REQ_PAGES:
start = be64_to_cpup((uint64_t *)buf);
len = be32_to_cpup((uint32_t *)(buf + 8));
migrate_handle_rp_req_pages(ms, NULL, start, len);
break;
case MIG_RP_MSG_REQ_PAGES_ID:
expected_len = 12 + 1; /* header + termination */
if (header_len >= expected_len) {
start = be64_to_cpup((uint64_t *)buf);
len = be32_to_cpup((uint32_t *)(buf + 8));
/* Now we expect an idstr */
tmp32 = buf[12]; /* Length of the following idstr */
buf[13 + tmp32] = '\0';
expected_len += tmp32;
}
if (header_len != expected_len) {
error_report("RP: Req_Page_id with length %d expecting %zd",
header_len, expected_len);
mark_source_rp_bad(ms);
goto out;
}
migrate_handle_rp_req_pages(ms, (char *)&buf[13], start, len);
break;
default:
break;
}
}
if (rp && qemu_file_get_error(rp)) {
trace_source_return_path_thread_bad_end();
mark_source_rp_bad(ms);
}
trace_source_return_path_thread_end();
out:
ms->rp_state.from_dst_file = NULL;
qemu_fclose(rp);
return NULL;
}
| 2,269 |
qemu | 61c7887e0f3dcfa9c4ccdfe43374243a4a5c0e8d | 0 | static int bdrv_qed_do_open(BlockDriverState *bs, QDict *options, int flags,
Error **errp)
{
BDRVQEDState *s = bs->opaque;
QEDHeader le_header;
int64_t file_size;
int ret;
s->bs = bs;
qemu_co_queue_init(&s->allocating_write_reqs);
ret = bdrv_pread(bs->file, 0, &le_header, sizeof(le_header));
if (ret < 0) {
return ret;
}
qed_header_le_to_cpu(&le_header, &s->header);
if (s->header.magic != QED_MAGIC) {
error_setg(errp, "Image not in QED format");
return -EINVAL;
}
if (s->header.features & ~QED_FEATURE_MASK) {
/* image uses unsupported feature bits */
error_setg(errp, "Unsupported QED features: %" PRIx64,
s->header.features & ~QED_FEATURE_MASK);
return -ENOTSUP;
}
if (!qed_is_cluster_size_valid(s->header.cluster_size)) {
return -EINVAL;
}
/* Round down file size to the last cluster */
file_size = bdrv_getlength(bs->file->bs);
if (file_size < 0) {
return file_size;
}
s->file_size = qed_start_of_cluster(s, file_size);
if (!qed_is_table_size_valid(s->header.table_size)) {
return -EINVAL;
}
if (!qed_is_image_size_valid(s->header.image_size,
s->header.cluster_size,
s->header.table_size)) {
return -EINVAL;
}
if (!qed_check_table_offset(s, s->header.l1_table_offset)) {
return -EINVAL;
}
s->table_nelems = (s->header.cluster_size * s->header.table_size) /
sizeof(uint64_t);
s->l2_shift = ctz32(s->header.cluster_size);
s->l2_mask = s->table_nelems - 1;
s->l1_shift = s->l2_shift + ctz32(s->table_nelems);
/* Header size calculation must not overflow uint32_t */
if (s->header.header_size > UINT32_MAX / s->header.cluster_size) {
return -EINVAL;
}
if ((s->header.features & QED_F_BACKING_FILE)) {
if ((uint64_t)s->header.backing_filename_offset +
s->header.backing_filename_size >
s->header.cluster_size * s->header.header_size) {
return -EINVAL;
}
ret = qed_read_string(bs->file, s->header.backing_filename_offset,
s->header.backing_filename_size, bs->backing_file,
sizeof(bs->backing_file));
if (ret < 0) {
return ret;
}
if (s->header.features & QED_F_BACKING_FORMAT_NO_PROBE) {
pstrcpy(bs->backing_format, sizeof(bs->backing_format), "raw");
}
}
/* Reset unknown autoclear feature bits. This is a backwards
* compatibility mechanism that allows images to be opened by older
* programs, which "knock out" unknown feature bits. When an image is
* opened by a newer program again it can detect that the autoclear
* feature is no longer valid.
*/
if ((s->header.autoclear_features & ~QED_AUTOCLEAR_FEATURE_MASK) != 0 &&
!bdrv_is_read_only(bs->file->bs) && !(flags & BDRV_O_INACTIVE)) {
s->header.autoclear_features &= QED_AUTOCLEAR_FEATURE_MASK;
ret = qed_write_header_sync(s);
if (ret) {
return ret;
}
/* From here on only known autoclear feature bits are valid */
bdrv_flush(bs->file->bs);
}
s->l1_table = qed_alloc_table(s);
qed_init_l2_cache(&s->l2_cache);
ret = qed_read_l1_table_sync(s);
if (ret) {
goto out;
}
/* If image was not closed cleanly, check consistency */
if (!(flags & BDRV_O_CHECK) && (s->header.features & QED_F_NEED_CHECK)) {
/* Read-only images cannot be fixed. There is no risk of corruption
* since write operations are not possible. Therefore, allow
* potentially inconsistent images to be opened read-only. This can
* aid data recovery from an otherwise inconsistent image.
*/
if (!bdrv_is_read_only(bs->file->bs) &&
!(flags & BDRV_O_INACTIVE)) {
BdrvCheckResult result = {0};
ret = qed_check(s, &result, true);
if (ret) {
goto out;
}
}
}
bdrv_qed_attach_aio_context(bs, bdrv_get_aio_context(bs));
out:
if (ret) {
qed_free_l2_cache(&s->l2_cache);
qemu_vfree(s->l1_table);
}
return ret;
}
| 2,270 |
FFmpeg | 91abb473fb8432226918da4fe03365ebaf688978 | 0 | static void put_pixels_x2_mmx(UINT8 *block, const UINT8 *pixels, int line_size, int h)
{
#if 0
UINT8 *p;
const UINT8 *pix;
p = block;
pix = pixels;
MOVQ_ZERO(mm7);
MOVQ_WONE(mm4);
JUMPALIGN();
do {
__asm __volatile(
"movq %1, %%mm0\n\t"
"movq 1%1, %%mm1\n\t"
"movq %%mm0, %%mm2\n\t"
"movq %%mm1, %%mm3\n\t"
"punpcklbw %%mm7, %%mm0\n\t"
"punpcklbw %%mm7, %%mm1\n\t"
"punpckhbw %%mm7, %%mm2\n\t"
"punpckhbw %%mm7, %%mm3\n\t"
"paddusw %%mm1, %%mm0\n\t"
"paddusw %%mm3, %%mm2\n\t"
"paddusw %%mm4, %%mm0\n\t"
"paddusw %%mm4, %%mm2\n\t"
"psrlw $1, %%mm0\n\t"
"psrlw $1, %%mm2\n\t"
"packuswb %%mm2, %%mm0\n\t"
"movq %%mm0, %0\n\t"
:"=m"(*p)
:"m"(*pix)
:"memory");
pix += line_size; p += line_size;
} while (--h);
#else
__asm __volatile(
MOVQ_BFE(%%mm7)
"lea (%3, %3), %%eax \n\t"
".balign 8 \n\t"
"1: \n\t"
"movq (%1), %%mm0 \n\t"
"movq (%1, %3), %%mm2 \n\t"
"movq 1(%1), %%mm1 \n\t"
"movq 1(%1, %3), %%mm3 \n\t"
PAVG_MMX(%%mm0, %%mm1)
"movq %%mm6, (%2) \n\t"
PAVG_MMX(%%mm2, %%mm3)
"movq %%mm6, (%2, %3) \n\t"
"addl %%eax, %1 \n\t"
"addl %%eax, %2 \n\t"
#if LONG_UNROLL
"movq (%1), %%mm0 \n\t"
"movq (%1, %3), %%mm2 \n\t"
"movq 1(%1), %%mm1 \n\t"
"movq 1(%1, %3), %%mm3 \n\t"
PAVG_MMX(%%mm0, %%mm1)
"movq %%mm6, (%2) \n\t"
PAVG_MMX(%%mm2, %%mm3)
"movq %%mm6, (%2, %3) \n\t"
"addl %%eax, %1 \n\t"
"addl %%eax, %2 \n\t"
"subl $4, %0 \n\t"
#else
"subl $2, %0 \n\t"
#endif
"jnz 1b \n\t"
:"+g"(h), "+S"(pixels), "+D"(block)
:"r"(line_size)
:"eax", "memory");
#endif
}
| 2,271 |
qemu | c7f8d0f3a52b5ef8fdcd305cce438f67d7e06a9f | 0 | static void pc_dimm_post_plug(HotplugHandler *hotplug_dev,
DeviceState *dev, Error **errp)
{
PCMachineState *pcms = PC_MACHINE(hotplug_dev);
if (object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM)) {
nvdimm_acpi_hotplug(&pcms->acpi_nvdimm_state);
}
}
| 2,272 |
qemu | a22313deca720e038ebc5805cf451b3a685d29ce | 0 | static VFIOINTp *vfio_init_intp(VFIODevice *vbasedev,
struct vfio_irq_info info)
{
int ret;
VFIOPlatformDevice *vdev =
container_of(vbasedev, VFIOPlatformDevice, vbasedev);
SysBusDevice *sbdev = SYS_BUS_DEVICE(vdev);
VFIOINTp *intp;
intp = g_malloc0(sizeof(*intp));
intp->vdev = vdev;
intp->pin = info.index;
intp->flags = info.flags;
intp->state = VFIO_IRQ_INACTIVE;
intp->kvm_accel = false;
sysbus_init_irq(sbdev, &intp->qemuirq);
/* Get an eventfd for trigger */
ret = event_notifier_init(&intp->interrupt, 0);
if (ret) {
g_free(intp);
error_report("vfio: Error: trigger event_notifier_init failed ");
return NULL;
}
/* Get an eventfd for resample/unmask */
ret = event_notifier_init(&intp->unmask, 0);
if (ret) {
g_free(intp);
error_report("vfio: Error: resamplefd event_notifier_init failed");
return NULL;
}
QLIST_INSERT_HEAD(&vdev->intp_list, intp, next);
return intp;
}
| 2,273 |
qemu | e2ae6159de2482ee5e22532301eb7f2795828d07 | 0 | static void set_guest_connected(VirtIOSerialPort *port, int guest_connected)
{
VirtConsole *vcon = VIRTIO_CONSOLE(port);
if (!vcon->chr) {
return;
}
qemu_chr_fe_set_open(vcon->chr, guest_connected);
}
| 2,274 |
qemu | 2e6fc7eb1a4af1b127df5f07b8bb28af891946fa | 0 | static int raw_probe_geometry(BlockDriverState *bs, HDGeometry *geo)
{
BDRVRawState *s = bs->opaque;
if (s->offset || s->has_size) {
return -ENOTSUP;
}
return bdrv_probe_geometry(bs->file->bs, geo);
}
| 2,275 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static void empty_slot_write(void *opaque, target_phys_addr_t addr,
uint64_t val, unsigned size)
{
DPRINTF("write 0x%x to " TARGET_FMT_plx "\n", (unsigned)val, addr);
}
| 2,276 |
qemu | f53a829bb9ef14be800556cbc02d8b20fc1050a7 | 0 | static int nbd_co_readv_1(NbdClientSession *client, int64_t sector_num,
int nb_sectors, QEMUIOVector *qiov,
int offset)
{
struct nbd_request request = { .type = NBD_CMD_READ };
struct nbd_reply reply;
ssize_t ret;
request.from = sector_num * 512;
request.len = nb_sectors * 512;
nbd_coroutine_start(client, &request);
ret = nbd_co_send_request(client, &request, NULL, 0);
if (ret < 0) {
reply.error = -ret;
} else {
nbd_co_receive_reply(client, &request, &reply, qiov, offset);
}
nbd_coroutine_end(client, &request);
return -reply.error;
}
| 2,277 |
qemu | a2b257d6212ade772473f86bf0637480b2578a7e | 0 | static void *legacy_s390_alloc(size_t size)
{
void *mem;
mem = mmap((void *) 0x800000000ULL, size,
PROT_EXEC|PROT_READ|PROT_WRITE,
MAP_SHARED | MAP_ANONYMOUS | MAP_FIXED, -1, 0);
return mem == MAP_FAILED ? NULL : mem;
}
| 2,278 |
qemu | db39fcf1f690b02d612e2bfc00980700887abe03 | 0 | static CharDriverState *chr_open(const char *subtype,
void (*set_fe_open)(struct CharDriverState *, int))
{
CharDriverState *chr;
SpiceCharDriver *s;
chr = g_malloc0(sizeof(CharDriverState));
s = g_malloc0(sizeof(SpiceCharDriver));
s->chr = chr;
s->active = false;
s->sin.subtype = g_strdup(subtype);
chr->opaque = s;
chr->chr_write = spice_chr_write;
chr->chr_add_watch = spice_chr_add_watch;
chr->chr_close = spice_chr_close;
chr->chr_set_fe_open = set_fe_open;
chr->explicit_be_open = true;
chr->chr_fe_event = spice_chr_fe_event;
QLIST_INSERT_HEAD(&spice_chars, s, next);
return chr;
}
| 2,279 |
qemu | b7e4fa224200ec87b9599a1d72b16ada35a3d113 | 0 | static void do_drive_backup(const char *job_id, const char *device,
const char *target, bool has_format,
const char *format, enum MirrorSyncMode sync,
bool has_mode, enum NewImageMode mode,
bool has_speed, int64_t speed,
bool has_bitmap, const char *bitmap,
bool has_on_source_error,
BlockdevOnError on_source_error,
bool has_on_target_error,
BlockdevOnError on_target_error,
BlockJobTxn *txn, Error **errp)
{
BlockBackend *blk;
BlockDriverState *bs;
BlockDriverState *target_bs;
BlockDriverState *source = NULL;
BdrvDirtyBitmap *bmap = NULL;
AioContext *aio_context;
QDict *options = NULL;
Error *local_err = NULL;
int flags;
int64_t size;
if (!has_speed) {
speed = 0;
}
if (!has_on_source_error) {
on_source_error = BLOCKDEV_ON_ERROR_REPORT;
}
if (!has_on_target_error) {
on_target_error = BLOCKDEV_ON_ERROR_REPORT;
}
if (!has_mode) {
mode = NEW_IMAGE_MODE_ABSOLUTE_PATHS;
}
blk = blk_by_name(device);
if (!blk) {
error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
"Device '%s' not found", device);
return;
}
aio_context = blk_get_aio_context(blk);
aio_context_acquire(aio_context);
/* Although backup_run has this check too, we need to use bs->drv below, so
* do an early check redundantly. */
if (!blk_is_available(blk)) {
error_setg(errp, QERR_DEVICE_HAS_NO_MEDIUM, device);
goto out;
}
bs = blk_bs(blk);
if (!has_format) {
format = mode == NEW_IMAGE_MODE_EXISTING ? NULL : bs->drv->format_name;
}
/* Early check to avoid creating target */
if (bdrv_op_is_blocked(bs, BLOCK_OP_TYPE_BACKUP_SOURCE, errp)) {
goto out;
}
flags = bs->open_flags | BDRV_O_RDWR;
/* See if we have a backing HD we can use to create our new image
* on top of. */
if (sync == MIRROR_SYNC_MODE_TOP) {
source = backing_bs(bs);
if (!source) {
sync = MIRROR_SYNC_MODE_FULL;
}
}
if (sync == MIRROR_SYNC_MODE_NONE) {
source = bs;
}
size = bdrv_getlength(bs);
if (size < 0) {
error_setg_errno(errp, -size, "bdrv_getlength failed");
goto out;
}
if (mode != NEW_IMAGE_MODE_EXISTING) {
assert(format);
if (source) {
bdrv_img_create(target, format, source->filename,
source->drv->format_name, NULL,
size, flags, &local_err, false);
} else {
bdrv_img_create(target, format, NULL, NULL, NULL,
size, flags, &local_err, false);
}
}
if (local_err) {
error_propagate(errp, local_err);
goto out;
}
if (format) {
options = qdict_new();
qdict_put(options, "driver", qstring_from_str(format));
}
target_bs = bdrv_open(target, NULL, options, flags, errp);
if (!target_bs) {
goto out;
}
bdrv_set_aio_context(target_bs, aio_context);
if (has_bitmap) {
bmap = bdrv_find_dirty_bitmap(bs, bitmap);
if (!bmap) {
error_setg(errp, "Bitmap '%s' could not be found", bitmap);
bdrv_unref(target_bs);
goto out;
}
}
backup_start(job_id, bs, target_bs, speed, sync, bmap,
on_source_error, on_target_error,
block_job_cb, bs, txn, &local_err);
bdrv_unref(target_bs);
if (local_err != NULL) {
error_propagate(errp, local_err);
goto out;
}
out:
aio_context_release(aio_context);
}
| 2,281 |
FFmpeg | e5540b3fd30367ce3cc33b2f34a04b660dbc4b38 | 0 | static int advanced_decode_i_mbs(VC9Context *v)
{
int i, x, y, cbpcy, mqdiff, absmq, mquant, ac_pred, condover,
current_mb = 0, over_flags_mb = 0;
for (y=0; y<v->height_mb; y++)
{
for (x=0; x<v->width_mb; x++)
{
if (v->ac_pred_plane[i])
ac_pred = get_bits(&v->gb, 1);
if (condover == 3 && v->over_flags_plane)
over_flags_mb = get_bits(&v->gb, 1);
GET_MQUANT();
}
current_mb++;
}
return 0;
}
| 2,282 |
qemu | 550830f9351291c585c963204ad9127998b1c1ce | 0 | static int coroutine_fn cow_read(BlockDriverState *bs, int64_t sector_num,
uint8_t *buf, int nb_sectors)
{
BDRVCowState *s = bs->opaque;
int ret, n;
while (nb_sectors > 0) {
ret = cow_co_is_allocated(bs, sector_num, nb_sectors, &n);
if (ret < 0) {
return ret;
}
if (ret) {
ret = bdrv_pread(bs->file,
s->cow_sectors_offset + sector_num * 512,
buf, n * 512);
if (ret < 0) {
return ret;
}
} else {
if (bs->backing_hd) {
/* read from the base image */
ret = bdrv_read(bs->backing_hd, sector_num, buf, n);
if (ret < 0) {
return ret;
}
} else {
memset(buf, 0, n * 512);
}
}
nb_sectors -= n;
sector_num += n;
buf += n * 512;
}
return 0;
}
| 2,283 |
qemu | 2ff64038a59e8de2baa485806be0838f49f70b79 | 0 | static void migration_end(void)
{
if (migration_bitmap) {
memory_global_dirty_log_stop();
g_free(migration_bitmap);
migration_bitmap = NULL;
}
XBZRLE_cache_lock();
if (XBZRLE.cache) {
cache_fini(XBZRLE.cache);
g_free(XBZRLE.encoded_buf);
g_free(XBZRLE.current_buf);
XBZRLE.cache = NULL;
XBZRLE.encoded_buf = NULL;
XBZRLE.current_buf = NULL;
}
XBZRLE_cache_unlock();
}
| 2,284 |
qemu | a7812ae412311d7d47f8aa85656faadac9d64b56 | 0 | static unsigned int dec_btst_r(DisasContext *dc)
{
TCGv l0;
DIS(fprintf (logfile, "btst $r%u, $r%u\n",
dc->op1, dc->op2));
cris_cc_mask(dc, CC_MASK_NZ);
l0 = tcg_temp_local_new(TCG_TYPE_TL);
cris_alu(dc, CC_OP_BTST, l0, cpu_R[dc->op2], cpu_R[dc->op1], 4);
cris_update_cc_op(dc, CC_OP_FLAGS, 4);
t_gen_mov_preg_TN(dc, PR_CCS, l0);
dc->flags_uptodate = 1;
tcg_temp_free(l0);
return 2;
}
| 2,286 |
qemu | 1687a089f103f9b7a1b4a1555068054cb46ee9e9 | 0 | event_thread(void *arg)
{
unsigned char atr[MAX_ATR_LEN];
int atr_len = MAX_ATR_LEN;
VEvent *event = NULL;
unsigned int reader_id;
while (1) {
const char *reader_name;
event = vevent_wait_next_vevent();
if (event == NULL) {
break;
}
reader_id = vreader_get_id(event->reader);
if (reader_id == VSCARD_UNDEFINED_READER_ID &&
event->type != VEVENT_READER_INSERT) {
/* ignore events from readers qemu has rejected */
/* if qemu is still deciding on this reader, wait to see if need to
* forward this event */
qemu_mutex_lock(&pending_reader_lock);
if (!pending_reader || (pending_reader != event->reader)) {
/* wasn't for a pending reader, this reader has already been
* rejected by qemu */
qemu_mutex_unlock(&pending_reader_lock);
vevent_delete(event);
continue;
}
/* this reader hasn't been told its status from qemu yet, wait for
* that status */
while (pending_reader != NULL) {
qemu_cond_wait(&pending_reader_condition, &pending_reader_lock);
}
qemu_mutex_unlock(&pending_reader_lock);
/* now recheck the id */
reader_id = vreader_get_id(event->reader);
if (reader_id == VSCARD_UNDEFINED_READER_ID) {
/* this reader was rejected */
vevent_delete(event);
continue;
}
/* reader was accepted, now forward the event */
}
switch (event->type) {
case VEVENT_READER_INSERT:
/* tell qemu to insert a new CCID reader */
/* wait until qemu has responded to our first reader insert
* before we send a second. That way we won't confuse the responses
* */
qemu_mutex_lock(&pending_reader_lock);
while (pending_reader != NULL) {
qemu_cond_wait(&pending_reader_condition, &pending_reader_lock);
}
pending_reader = vreader_reference(event->reader);
qemu_mutex_unlock(&pending_reader_lock);
reader_name = vreader_get_name(event->reader);
if (verbose > 10) {
printf(" READER INSERT: %s\n", reader_name);
}
send_msg(VSC_ReaderAdd,
reader_id, /* currerntly VSCARD_UNDEFINED_READER_ID */
NULL, 0 /* TODO reader_name, strlen(reader_name) */);
break;
case VEVENT_READER_REMOVE:
/* future, tell qemu that an old CCID reader has been removed */
if (verbose > 10) {
printf(" READER REMOVE: %u\n", reader_id);
}
send_msg(VSC_ReaderRemove, reader_id, NULL, 0);
break;
case VEVENT_CARD_INSERT:
/* get the ATR (intended as a response to a power on from the
* reader */
atr_len = MAX_ATR_LEN;
vreader_power_on(event->reader, atr, &atr_len);
/* ATR call functions as a Card Insert event */
if (verbose > 10) {
printf(" CARD INSERT %u: ", reader_id);
print_byte_array(atr, atr_len);
}
send_msg(VSC_ATR, reader_id, atr, atr_len);
break;
case VEVENT_CARD_REMOVE:
/* Card removed */
if (verbose > 10) {
printf(" CARD REMOVE %u:\n", reader_id);
}
send_msg(VSC_CardRemove, reader_id, NULL, 0);
break;
default:
break;
}
vevent_delete(event);
}
return NULL;
}
| 2,287 |
qemu | b6d36def6d9e9fd187327182d0abafc9b7085d8f | 0 | int qcow2_alloc_clusters_at(BlockDriverState *bs, uint64_t offset,
int nb_clusters)
{
BDRVQcow2State *s = bs->opaque;
uint64_t cluster_index, refcount;
uint64_t i;
int ret;
assert(nb_clusters >= 0);
if (nb_clusters == 0) {
return 0;
}
do {
/* Check how many clusters there are free */
cluster_index = offset >> s->cluster_bits;
for(i = 0; i < nb_clusters; i++) {
ret = qcow2_get_refcount(bs, cluster_index++, &refcount);
if (ret < 0) {
return ret;
} else if (refcount != 0) {
break;
}
}
/* And then allocate them */
ret = update_refcount(bs, offset, i << s->cluster_bits, 1, false,
QCOW2_DISCARD_NEVER);
} while (ret == -EAGAIN);
if (ret < 0) {
return ret;
}
return i;
}
| 2,288 |
qemu | ecbe1576b3287e7907b524901063a8117f544e61 | 0 | static int bochs_open(BlockDriverState *bs, const char *filename, int flags)
{
BDRVBochsState *s = bs->opaque;
int fd, i;
struct bochs_header bochs;
struct bochs_header_v1 header_v1;
fd = open(filename, O_RDWR | O_BINARY);
if (fd < 0) {
fd = open(filename, O_RDONLY | O_BINARY);
if (fd < 0)
return -1;
}
bs->read_only = 1; // no write support yet
s->fd = fd;
if (read(fd, &bochs, sizeof(bochs)) != sizeof(bochs)) {
goto fail;
}
if (strcmp(bochs.magic, HEADER_MAGIC) ||
strcmp(bochs.type, REDOLOG_TYPE) ||
strcmp(bochs.subtype, GROWING_TYPE) ||
((le32_to_cpu(bochs.version) != HEADER_VERSION) &&
(le32_to_cpu(bochs.version) != HEADER_V1))) {
goto fail;
}
if (le32_to_cpu(bochs.version) == HEADER_V1) {
memcpy(&header_v1, &bochs, sizeof(bochs));
bs->total_sectors = le64_to_cpu(header_v1.extra.redolog.disk) / 512;
} else {
bs->total_sectors = le64_to_cpu(bochs.extra.redolog.disk) / 512;
}
lseek(s->fd, le32_to_cpu(bochs.header), SEEK_SET);
s->catalog_size = le32_to_cpu(bochs.extra.redolog.catalog);
s->catalog_bitmap = qemu_malloc(s->catalog_size * 4);
if (read(s->fd, s->catalog_bitmap, s->catalog_size * 4) !=
s->catalog_size * 4)
goto fail;
for (i = 0; i < s->catalog_size; i++)
le32_to_cpus(&s->catalog_bitmap[i]);
s->data_offset = le32_to_cpu(bochs.header) + (s->catalog_size * 4);
s->bitmap_blocks = 1 + (le32_to_cpu(bochs.extra.redolog.bitmap) - 1) / 512;
s->extent_blocks = 1 + (le32_to_cpu(bochs.extra.redolog.extent) - 1) / 512;
s->extent_size = le32_to_cpu(bochs.extra.redolog.extent);
return 0;
fail:
close(fd);
return -1;
}
| 2,289 |
qemu | b54ca0c3df4f21315bebdb96dc81cdf1abb9b214 | 0 | build_rsdp(GArray *rsdp_table, GArray *linker, unsigned rsdt)
{
AcpiRsdpDescriptor *rsdp = acpi_data_push(rsdp_table, sizeof *rsdp);
bios_linker_loader_alloc(linker, ACPI_BUILD_RSDP_FILE, 16,
true /* fseg memory */);
memcpy(&rsdp->signature, "RSD PTR ", sizeof(rsdp->signature));
memcpy(rsdp->oem_id, ACPI_BUILD_APPNAME6, sizeof(rsdp->oem_id));
rsdp->length = cpu_to_le32(sizeof(*rsdp));
rsdp->revision = 0x02;
/* Point to RSDT */
rsdp->rsdt_physical_address = cpu_to_le32(rsdt);
/* Address to be filled by Guest linker */
bios_linker_loader_add_pointer(linker, ACPI_BUILD_RSDP_FILE,
ACPI_BUILD_TABLE_FILE,
rsdp_table, &rsdp->rsdt_physical_address,
sizeof rsdp->rsdt_physical_address);
rsdp->checksum = 0;
/* Checksum to be filled by Guest linker */
bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE,
rsdp, rsdp, sizeof *rsdp, &rsdp->checksum);
return rsdp_table;
}
| 2,290 |
qemu | 4a1418e07bdcfaa3177739e04707ecaec75d89e1 | 0 | static void kqemu_record_pc(unsigned long pc)
{
unsigned long h;
PCRecord **pr, *r;
h = pc / PC_REC_SIZE;
h = h ^ (h >> PC_REC_HASH_BITS);
h &= (PC_REC_HASH_SIZE - 1);
pr = &pc_rec_hash[h];
for(;;) {
r = *pr;
if (r == NULL)
break;
if (r->pc == pc) {
r->count++;
return;
}
pr = &r->next;
}
r = malloc(sizeof(PCRecord));
r->count = 1;
r->pc = pc;
r->next = NULL;
*pr = r;
nb_pc_records++;
}
| 2,291 |
qemu | 61007b316cd71ee7333ff7a0a749a8949527575f | 0 | int bdrv_has_zero_init_1(BlockDriverState *bs)
{
return 1;
}
| 2,292 |
FFmpeg | 3176217c60ca7828712985092d9102d331ea4f3d | 0 | int ff_h264_decode_mb_cavlc(const H264Context *h, H264SliceContext *sl)
{
int mb_xy;
int partition_count;
unsigned int mb_type, cbp;
int dct8x8_allowed= h->pps.transform_8x8_mode;
int decode_chroma = h->sps.chroma_format_idc == 1 || h->sps.chroma_format_idc == 2;
const int pixel_shift = h->pixel_shift;
mb_xy = sl->mb_xy = sl->mb_x + sl->mb_y*h->mb_stride;
ff_tlog(h->avctx, "pic:%d mb:%d/%d\n", h->frame_num, sl->mb_x, sl->mb_y);
cbp = 0; /* avoid warning. FIXME: find a solution without slowing
down the code */
if (sl->slice_type_nos != AV_PICTURE_TYPE_I) {
if (sl->mb_skip_run == -1)
sl->mb_skip_run = get_ue_golomb(&sl->gb);
if (sl->mb_skip_run--) {
if (FRAME_MBAFF(h) && (sl->mb_y & 1) == 0) {
if (sl->mb_skip_run == 0)
sl->mb_mbaff = sl->mb_field_decoding_flag = get_bits1(&sl->gb);
}
decode_mb_skip(h, sl);
return 0;
}
}
if (FRAME_MBAFF(h)) {
if ((sl->mb_y & 1) == 0)
sl->mb_mbaff = sl->mb_field_decoding_flag = get_bits1(&sl->gb);
}
sl->prev_mb_skipped = 0;
mb_type= get_ue_golomb(&sl->gb);
if (sl->slice_type_nos == AV_PICTURE_TYPE_B) {
if(mb_type < 23){
partition_count = ff_h264_b_mb_type_info[mb_type].partition_count;
mb_type = ff_h264_b_mb_type_info[mb_type].type;
}else{
mb_type -= 23;
goto decode_intra_mb;
}
} else if (sl->slice_type_nos == AV_PICTURE_TYPE_P) {
if(mb_type < 5){
partition_count = ff_h264_p_mb_type_info[mb_type].partition_count;
mb_type = ff_h264_p_mb_type_info[mb_type].type;
}else{
mb_type -= 5;
goto decode_intra_mb;
}
}else{
assert(sl->slice_type_nos == AV_PICTURE_TYPE_I);
if (sl->slice_type == AV_PICTURE_TYPE_SI && mb_type)
mb_type--;
decode_intra_mb:
if(mb_type > 25){
av_log(h->avctx, AV_LOG_ERROR, "mb_type %d in %c slice too large at %d %d\n", mb_type, av_get_picture_type_char(sl->slice_type), sl->mb_x, sl->mb_y);
return -1;
}
partition_count=0;
cbp = ff_h264_i_mb_type_info[mb_type].cbp;
sl->intra16x16_pred_mode = ff_h264_i_mb_type_info[mb_type].pred_mode;
mb_type = ff_h264_i_mb_type_info[mb_type].type;
}
if (MB_FIELD(sl))
mb_type |= MB_TYPE_INTERLACED;
h->slice_table[mb_xy] = sl->slice_num;
if(IS_INTRA_PCM(mb_type)){
const int mb_size = ff_h264_mb_sizes[h->sps.chroma_format_idc] *
h->sps.bit_depth_luma;
// We assume these blocks are very rare so we do not optimize it.
sl->intra_pcm_ptr = align_get_bits(&sl->gb);
if (get_bits_left(&sl->gb) < mb_size) {
av_log(h->avctx, AV_LOG_ERROR, "Not enough data for an intra PCM block.\n");
return AVERROR_INVALIDDATA;
}
skip_bits_long(&sl->gb, mb_size);
// In deblocking, the quantizer is 0
h->cur_pic.qscale_table[mb_xy] = 0;
// All coeffs are present
memset(h->non_zero_count[mb_xy], 16, 48);
h->cur_pic.mb_type[mb_xy] = mb_type;
return 0;
}
fill_decode_neighbors(h, sl, mb_type);
fill_decode_caches(h, sl, mb_type);
//mb_pred
if(IS_INTRA(mb_type)){
int pred_mode;
// init_top_left_availability(h);
if(IS_INTRA4x4(mb_type)){
int i;
int di = 1;
if(dct8x8_allowed && get_bits1(&sl->gb)){
mb_type |= MB_TYPE_8x8DCT;
di = 4;
}
// fill_intra4x4_pred_table(h);
for(i=0; i<16; i+=di){
int mode = pred_intra_mode(h, sl, i);
if(!get_bits1(&sl->gb)){
const int rem_mode= get_bits(&sl->gb, 3);
mode = rem_mode + (rem_mode >= mode);
}
if(di==4)
fill_rectangle(&sl->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1);
else
sl->intra4x4_pred_mode_cache[scan8[i]] = mode;
}
write_back_intra_pred_mode(h, sl);
if (ff_h264_check_intra4x4_pred_mode(sl->intra4x4_pred_mode_cache, h->avctx,
sl->top_samples_available, sl->left_samples_available) < 0)
return -1;
}else{
sl->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(h->avctx, sl->top_samples_available,
sl->left_samples_available, sl->intra16x16_pred_mode, 0);
if (sl->intra16x16_pred_mode < 0)
return -1;
}
if(decode_chroma){
pred_mode= ff_h264_check_intra_pred_mode(h->avctx, sl->top_samples_available,
sl->left_samples_available, get_ue_golomb_31(&sl->gb), 1);
if(pred_mode < 0)
return -1;
sl->chroma_pred_mode = pred_mode;
} else {
sl->chroma_pred_mode = DC_128_PRED8x8;
}
}else if(partition_count==4){
int i, j, sub_partition_count[4], list, ref[2][4];
if (sl->slice_type_nos == AV_PICTURE_TYPE_B) {
for(i=0; i<4; i++){
sl->sub_mb_type[i]= get_ue_golomb_31(&sl->gb);
if(sl->sub_mb_type[i] >=13){
av_log(h->avctx, AV_LOG_ERROR, "B sub_mb_type %u out of range at %d %d\n", sl->sub_mb_type[i], sl->mb_x, sl->mb_y);
return -1;
}
sub_partition_count[i] = ff_h264_b_sub_mb_type_info[sl->sub_mb_type[i]].partition_count;
sl->sub_mb_type[i] = ff_h264_b_sub_mb_type_info[sl->sub_mb_type[i]].type;
}
if( IS_DIRECT(sl->sub_mb_type[0]|sl->sub_mb_type[1]|sl->sub_mb_type[2]|sl->sub_mb_type[3])) {
ff_h264_pred_direct_motion(h, sl, &mb_type);
sl->ref_cache[0][scan8[4]] =
sl->ref_cache[1][scan8[4]] =
sl->ref_cache[0][scan8[12]] =
sl->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;
}
}else{
assert(sl->slice_type_nos == AV_PICTURE_TYPE_P); //FIXME SP correct ?
for(i=0; i<4; i++){
sl->sub_mb_type[i]= get_ue_golomb_31(&sl->gb);
if(sl->sub_mb_type[i] >=4){
av_log(h->avctx, AV_LOG_ERROR, "P sub_mb_type %u out of range at %d %d\n", sl->sub_mb_type[i], sl->mb_x, sl->mb_y);
return -1;
}
sub_partition_count[i] = ff_h264_p_sub_mb_type_info[sl->sub_mb_type[i]].partition_count;
sl->sub_mb_type[i] = ff_h264_p_sub_mb_type_info[sl->sub_mb_type[i]].type;
}
}
for (list = 0; list < sl->list_count; list++) {
int ref_count = IS_REF0(mb_type) ? 1 : sl->ref_count[list] << MB_MBAFF(sl);
for(i=0; i<4; i++){
if(IS_DIRECT(sl->sub_mb_type[i])) continue;
if(IS_DIR(sl->sub_mb_type[i], 0, list)){
unsigned int tmp;
if(ref_count == 1){
tmp= 0;
}else if(ref_count == 2){
tmp= get_bits1(&sl->gb)^1;
}else{
tmp= get_ue_golomb_31(&sl->gb);
if(tmp>=ref_count){
av_log(h->avctx, AV_LOG_ERROR, "ref %u overflow\n", tmp);
return -1;
}
}
ref[list][i]= tmp;
}else{
//FIXME
ref[list][i] = -1;
}
}
}
if(dct8x8_allowed)
dct8x8_allowed = get_dct8x8_allowed(h, sl);
for (list = 0; list < sl->list_count; list++) {
for(i=0; i<4; i++){
if(IS_DIRECT(sl->sub_mb_type[i])) {
sl->ref_cache[list][ scan8[4*i] ] = sl->ref_cache[list][ scan8[4*i]+1 ];
continue;
}
sl->ref_cache[list][ scan8[4*i] ]=sl->ref_cache[list][ scan8[4*i]+1 ]=
sl->ref_cache[list][ scan8[4*i]+8 ]=sl->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];
if(IS_DIR(sl->sub_mb_type[i], 0, list)){
const int sub_mb_type= sl->sub_mb_type[i];
const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
for(j=0; j<sub_partition_count[i]; j++){
int mx, my;
const int index= 4*i + block_width*j;
int16_t (* mv_cache)[2]= &sl->mv_cache[list][ scan8[index] ];
pred_motion(h, sl, index, block_width, list, sl->ref_cache[list][ scan8[index] ], &mx, &my);
mx += get_se_golomb(&sl->gb);
my += get_se_golomb(&sl->gb);
ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
if(IS_SUB_8X8(sub_mb_type)){
mv_cache[ 1 ][0]=
mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
mv_cache[ 1 ][1]=
mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
}else if(IS_SUB_8X4(sub_mb_type)){
mv_cache[ 1 ][0]= mx;
mv_cache[ 1 ][1]= my;
}else if(IS_SUB_4X8(sub_mb_type)){
mv_cache[ 8 ][0]= mx;
mv_cache[ 8 ][1]= my;
}
mv_cache[ 0 ][0]= mx;
mv_cache[ 0 ][1]= my;
}
}else{
uint32_t *p= (uint32_t *)&sl->mv_cache[list][ scan8[4*i] ][0];
p[0] = p[1]=
p[8] = p[9]= 0;
}
}
}
}else if(IS_DIRECT(mb_type)){
ff_h264_pred_direct_motion(h, sl, &mb_type);
dct8x8_allowed &= h->sps.direct_8x8_inference_flag;
}else{
int list, mx, my, i;
//FIXME we should set ref_idx_l? to 0 if we use that later ...
if(IS_16X16(mb_type)){
for (list = 0; list < sl->list_count; list++) {
unsigned int val;
if(IS_DIR(mb_type, 0, list)){
int rc = sl->ref_count[list] << MB_MBAFF(sl);
if (rc == 1) {
val= 0;
} else if (rc == 2) {
val= get_bits1(&sl->gb)^1;
}else{
val= get_ue_golomb_31(&sl->gb);
if (val >= rc) {
av_log(h->avctx, AV_LOG_ERROR, "ref %u overflow\n", val);
return -1;
}
}
fill_rectangle(&sl->ref_cache[list][ scan8[0] ], 4, 4, 8, val, 1);
}
}
for (list = 0; list < sl->list_count; list++) {
if(IS_DIR(mb_type, 0, list)){
pred_motion(h, sl, 0, 4, list, sl->ref_cache[list][ scan8[0] ], &mx, &my);
mx += get_se_golomb(&sl->gb);
my += get_se_golomb(&sl->gb);
ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
fill_rectangle(sl->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
}
}
}
else if(IS_16X8(mb_type)){
for (list = 0; list < sl->list_count; list++) {
for(i=0; i<2; i++){
unsigned int val;
if(IS_DIR(mb_type, i, list)){
int rc = sl->ref_count[list] << MB_MBAFF(sl);
if (rc == 1) {
val= 0;
} else if (rc == 2) {
val= get_bits1(&sl->gb)^1;
}else{
val= get_ue_golomb_31(&sl->gb);
if (val >= rc) {
av_log(h->avctx, AV_LOG_ERROR, "ref %u overflow\n", val);
return -1;
}
}
}else
val= LIST_NOT_USED&0xFF;
fill_rectangle(&sl->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, val, 1);
}
}
for (list = 0; list < sl->list_count; list++) {
for(i=0; i<2; i++){
unsigned int val;
if(IS_DIR(mb_type, i, list)){
pred_16x8_motion(h, sl, 8*i, list, sl->ref_cache[list][scan8[0] + 16*i], &mx, &my);
mx += get_se_golomb(&sl->gb);
my += get_se_golomb(&sl->gb);
ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
val= pack16to32(mx,my);
}else
val=0;
fill_rectangle(sl->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, val, 4);
}
}
}else{
assert(IS_8X16(mb_type));
for (list = 0; list < sl->list_count; list++) {
for(i=0; i<2; i++){
unsigned int val;
if(IS_DIR(mb_type, i, list)){ //FIXME optimize
int rc = sl->ref_count[list] << MB_MBAFF(sl);
if (rc == 1) {
val= 0;
} else if (rc == 2) {
val= get_bits1(&sl->gb)^1;
}else{
val= get_ue_golomb_31(&sl->gb);
if (val >= rc) {
av_log(h->avctx, AV_LOG_ERROR, "ref %u overflow\n", val);
return -1;
}
}
}else
val= LIST_NOT_USED&0xFF;
fill_rectangle(&sl->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, val, 1);
}
}
for (list = 0; list < sl->list_count; list++) {
for(i=0; i<2; i++){
unsigned int val;
if(IS_DIR(mb_type, i, list)){
pred_8x16_motion(h, sl, i*4, list, sl->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);
mx += get_se_golomb(&sl->gb);
my += get_se_golomb(&sl->gb);
ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
val= pack16to32(mx,my);
}else
val=0;
fill_rectangle(sl->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, val, 4);
}
}
}
}
if(IS_INTER(mb_type))
write_back_motion(h, sl, mb_type);
if(!IS_INTRA16x16(mb_type)){
cbp= get_ue_golomb(&sl->gb);
if(decode_chroma){
if(cbp > 47){
av_log(h->avctx, AV_LOG_ERROR, "cbp too large (%u) at %d %d\n", cbp, sl->mb_x, sl->mb_y);
return -1;
}
if (IS_INTRA4x4(mb_type))
cbp = ff_h264_golomb_to_intra4x4_cbp[cbp];
else
cbp = ff_h264_golomb_to_inter_cbp[cbp];
}else{
if(cbp > 15){
av_log(h->avctx, AV_LOG_ERROR, "cbp too large (%u) at %d %d\n", cbp, sl->mb_x, sl->mb_y);
return -1;
}
if(IS_INTRA4x4(mb_type)) cbp= golomb_to_intra4x4_cbp_gray[cbp];
else cbp= golomb_to_inter_cbp_gray[cbp];
}
}
if(dct8x8_allowed && (cbp&15) && !IS_INTRA(mb_type)){
mb_type |= MB_TYPE_8x8DCT*get_bits1(&sl->gb);
}
sl->cbp=
h->cbp_table[mb_xy]= cbp;
h->cur_pic.mb_type[mb_xy] = mb_type;
if(cbp || IS_INTRA16x16(mb_type)){
int i4x4, i8x8, chroma_idx;
int dquant;
int ret;
GetBitContext *gb = &sl->gb;
const uint8_t *scan, *scan8x8;
const int max_qp = 51 + 6*(h->sps.bit_depth_luma-8);
if(IS_INTERLACED(mb_type)){
scan8x8 = sl->qscale ? h->field_scan8x8_cavlc : h->field_scan8x8_cavlc_q0;
scan = sl->qscale ? h->field_scan : h->field_scan_q0;
}else{
scan8x8 = sl->qscale ? h->zigzag_scan8x8_cavlc : h->zigzag_scan8x8_cavlc_q0;
scan = sl->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
}
dquant= get_se_golomb(&sl->gb);
sl->qscale += dquant;
if (((unsigned)sl->qscale) > max_qp){
if (sl->qscale < 0) sl->qscale += max_qp + 1;
else sl->qscale -= max_qp+1;
if (((unsigned)sl->qscale) > max_qp){
av_log(h->avctx, AV_LOG_ERROR, "dquant out of range (%d) at %d %d\n", dquant, sl->mb_x, sl->mb_y);
return -1;
}
}
sl->chroma_qp[0] = get_chroma_qp(h, 0, sl->qscale);
sl->chroma_qp[1] = get_chroma_qp(h, 1, sl->qscale);
if ((ret = decode_luma_residual(h, sl, gb, scan, scan8x8, pixel_shift, mb_type, cbp, 0)) < 0 ) {
return -1;
}
h->cbp_table[mb_xy] |= ret << 12;
if (CHROMA444(h)) {
if (decode_luma_residual(h, sl, gb, scan, scan8x8, pixel_shift, mb_type, cbp, 1) < 0 ) {
return -1;
}
if (decode_luma_residual(h, sl, gb, scan, scan8x8, pixel_shift, mb_type, cbp, 2) < 0 ) {
return -1;
}
} else if (CHROMA422(h)) {
if(cbp&0x30){
for(chroma_idx=0; chroma_idx<2; chroma_idx++)
if (decode_residual(h, sl, gb, sl->mb + ((256 + 16*16*chroma_idx) << pixel_shift),
CHROMA_DC_BLOCK_INDEX + chroma_idx, ff_h264_chroma422_dc_scan,
NULL, 8) < 0) {
return -1;
}
}
if(cbp&0x20){
for(chroma_idx=0; chroma_idx<2; chroma_idx++){
const uint32_t *qmul = h->dequant4_coeff[chroma_idx+1+(IS_INTRA( mb_type ) ? 0:3)][sl->chroma_qp[chroma_idx]];
int16_t *mb = sl->mb + (16*(16 + 16*chroma_idx) << pixel_shift);
for (i8x8 = 0; i8x8 < 2; i8x8++) {
for (i4x4 = 0; i4x4 < 4; i4x4++) {
const int index = 16 + 16*chroma_idx + 8*i8x8 + i4x4;
if (decode_residual(h, sl, gb, mb, index, scan + 1, qmul, 15) < 0)
return -1;
mb += 16 << pixel_shift;
}
}
}
}else{
fill_rectangle(&sl->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
fill_rectangle(&sl->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
}
} else /* yuv420 */ {
if(cbp&0x30){
for(chroma_idx=0; chroma_idx<2; chroma_idx++)
if (decode_residual(h, sl, gb, sl->mb + ((256 + 16 * 16 * chroma_idx) << pixel_shift),
CHROMA_DC_BLOCK_INDEX + chroma_idx, ff_h264_chroma_dc_scan, NULL, 4) < 0) {
return -1;
}
}
if(cbp&0x20){
for(chroma_idx=0; chroma_idx<2; chroma_idx++){
const uint32_t *qmul = h->dequant4_coeff[chroma_idx+1+(IS_INTRA( mb_type ) ? 0:3)][sl->chroma_qp[chroma_idx]];
for(i4x4=0; i4x4<4; i4x4++){
const int index= 16 + 16*chroma_idx + i4x4;
if( decode_residual(h, sl, gb, sl->mb + (16*index << pixel_shift), index, scan + 1, qmul, 15) < 0){
return -1;
}
}
}
}else{
fill_rectangle(&sl->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
fill_rectangle(&sl->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
}
}
}else{
fill_rectangle(&sl->non_zero_count_cache[scan8[ 0]], 4, 4, 8, 0, 1);
fill_rectangle(&sl->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
fill_rectangle(&sl->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
}
h->cur_pic.qscale_table[mb_xy] = sl->qscale;
write_back_non_zero_count(h, sl);
return 0;
}
| 2,293 |
qemu | 2133a5f6b8f8941a6a3734c6c1990656553de76c | 0 | static uint64_t xilinx_spips_read(void *opaque, hwaddr addr,
unsigned size)
{
XilinxSPIPS *s = opaque;
uint32_t mask = ~0;
uint32_t ret;
addr >>= 2;
switch (addr) {
case R_CONFIG:
mask = 0x0002FFFF;
break;
case R_INTR_STATUS:
ret = s->regs[addr] & IXR_ALL;
s->regs[addr] = 0;
DB_PRINT("addr=" TARGET_FMT_plx " = %x\n", addr * 4, ret);
return ret;
case R_INTR_MASK:
mask = IXR_ALL;
break;
case R_EN:
mask = 0x1;
break;
case R_SLAVE_IDLE_COUNT:
mask = 0xFF;
break;
case R_MOD_ID:
mask = 0x01FFFFFF;
break;
case R_INTR_EN:
case R_INTR_DIS:
case R_TX_DATA:
mask = 0;
break;
case R_RX_DATA:
rx_data_bytes(s, &ret, s->num_txrx_bytes);
DB_PRINT("addr=" TARGET_FMT_plx " = %x\n", addr * 4, ret);
xilinx_spips_update_ixr(s);
return ret;
}
DB_PRINT("addr=" TARGET_FMT_plx " = %x\n", addr * 4, s->regs[addr] & mask);
return s->regs[addr] & mask;
}
| 2,294 |
qemu | 0919ac787641db11024912651f3bc5764d4f1286 | 0 | struct omap_intr_handler_s *omap2_inth_init(target_phys_addr_t base,
int size, int nbanks, qemu_irq **pins,
qemu_irq parent_irq, qemu_irq parent_fiq,
omap_clk fclk, omap_clk iclk)
{
struct omap_intr_handler_s *s = (struct omap_intr_handler_s *)
g_malloc0(sizeof(struct omap_intr_handler_s) +
sizeof(struct omap_intr_handler_bank_s) * nbanks);
s->parent_intr[0] = parent_irq;
s->parent_intr[1] = parent_fiq;
s->nbanks = nbanks;
s->level_only = 1;
s->pins = qemu_allocate_irqs(omap_set_intr_noedge, s, nbanks * 32);
if (pins)
*pins = s->pins;
memory_region_init_io(&s->mmio, &omap2_inth_mem_ops, s, "omap2-intc", size);
memory_region_add_subregion(get_system_memory(), base, &s->mmio);
omap_inth_reset(s);
return s;
}
| 2,295 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static int microblaze_load_dtb(target_phys_addr_t addr,
uint32_t ramsize,
const char *kernel_cmdline,
const char *dtb_filename)
{
int fdt_size;
#ifdef CONFIG_FDT
void *fdt = NULL;
int r;
if (dtb_filename) {
fdt = load_device_tree(dtb_filename, &fdt_size);
}
if (!fdt) {
return 0;
}
if (kernel_cmdline) {
r = qemu_devtree_setprop_string(fdt, "/chosen", "bootargs",
kernel_cmdline);
if (r < 0) {
fprintf(stderr, "couldn't set /chosen/bootargs\n");
}
}
cpu_physical_memory_write(addr, (void *)fdt, fdt_size);
#else
/* We lack libfdt so we cannot manipulate the fdt. Just pass on the blob
to the kernel. */
if (dtb_filename) {
fdt_size = load_image_targphys(dtb_filename, addr, 0x10000);
}
if (kernel_cmdline) {
fprintf(stderr,
"Warning: missing libfdt, cannot pass cmdline to kernel!\n");
}
#endif
return fdt_size;
}
| 2,296 |
FFmpeg | 6eed92a2b7977b7aa91554e9911106462681d242 | 0 | static int delta_decode(int8_t *dst, const uint8_t *src, int src_size,
int8_t val, const int8_t *table)
{
int n = src_size;
int8_t *dst0 = dst;
while (n--) {
uint8_t d = *src++;
val = av_clip(val + table[d & 0x0f], -127, 128);
*dst++ = val;
val = av_clip(val + table[d >> 4] , -127, 128);
*dst++ = val;
}
return dst-dst0;
}
| 2,299 |
qemu | 1efd6e072cb13b7a7050acc9c673eb4ff25ddfc9 | 1 | static void virtio_rng_device_realize(DeviceState *dev, Error **errp)
{
VirtIODevice *vdev = VIRTIO_DEVICE(dev);
VirtIORNG *vrng = VIRTIO_RNG(dev);
Error *local_err = NULL;
if (!vrng->conf.period_ms > 0) {
error_set(errp, QERR_INVALID_PARAMETER_VALUE, "period",
"a positive number");
return;
}
if (vrng->conf.rng == NULL) {
vrng->conf.default_backend = RNG_RANDOM(object_new(TYPE_RNG_RANDOM));
user_creatable_complete(OBJECT(vrng->conf.default_backend),
&local_err);
if (local_err) {
error_propagate(errp, local_err);
object_unref(OBJECT(vrng->conf.default_backend));
return;
}
object_property_add_child(OBJECT(dev),
"default-backend",
OBJECT(vrng->conf.default_backend),
NULL);
/* The child property took a reference, we can safely drop ours now */
object_unref(OBJECT(vrng->conf.default_backend));
object_property_set_link(OBJECT(dev),
OBJECT(vrng->conf.default_backend),
"rng", NULL);
}
virtio_init(vdev, "virtio-rng", VIRTIO_ID_RNG, 0);
vrng->rng = vrng->conf.rng;
if (vrng->rng == NULL) {
error_set(errp, QERR_INVALID_PARAMETER_VALUE, "rng", "a valid object");
return;
}
vrng->vq = virtio_add_queue(vdev, 8, handle_input);
/* Workaround: Property parsing does not enforce unsigned integers,
* So this is a hack to reject such numbers. */
if (vrng->conf.max_bytes > INT64_MAX) {
error_set(errp, QERR_INVALID_PARAMETER_VALUE, "max-bytes",
"a non-negative integer below 2^63");
return;
}
vrng->quota_remaining = vrng->conf.max_bytes;
vrng->rate_limit_timer = timer_new_ms(QEMU_CLOCK_VIRTUAL,
check_rate_limit, vrng);
timer_mod(vrng->rate_limit_timer,
qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + vrng->conf.period_ms);
register_savevm(dev, "virtio-rng", -1, 1, virtio_rng_save,
virtio_rng_load, vrng);
}
| 2,301 |
qemu | 3d74ee7dcae57b93a64737b954d76cf96236a367 | 1 | static void tmu2_start(MilkymistTMU2State *s)
{
int pbuffer_attrib[6] = {
GLX_PBUFFER_WIDTH,
0,
GLX_PBUFFER_HEIGHT,
0,
GLX_PRESERVED_CONTENTS,
True
};
GLXPbuffer pbuffer;
GLuint texture;
void *fb;
hwaddr fb_len;
void *mesh;
hwaddr mesh_len;
float m;
trace_milkymist_tmu2_start();
/* Create and set up a suitable OpenGL context */
pbuffer_attrib[1] = s->regs[R_DSTHRES];
pbuffer_attrib[3] = s->regs[R_DSTVRES];
pbuffer = glXCreatePbuffer(s->dpy, s->glx_fb_config, pbuffer_attrib);
glXMakeContextCurrent(s->dpy, pbuffer, pbuffer, s->glx_context);
/* Fixup endianness. TODO: would it work on BE hosts? */
glPixelStorei(GL_UNPACK_SWAP_BYTES, 1);
glPixelStorei(GL_PACK_SWAP_BYTES, 1);
/* Row alignment */
glPixelStorei(GL_UNPACK_ALIGNMENT, 2);
glPixelStorei(GL_PACK_ALIGNMENT, 2);
/* Read the QEMU source framebuffer into an OpenGL texture */
glGenTextures(1, &texture);
glBindTexture(GL_TEXTURE_2D, texture);
fb_len = 2ULL * s->regs[R_TEXHRES] * s->regs[R_TEXVRES];
fb = cpu_physical_memory_map(s->regs[R_TEXFBUF], &fb_len, 0);
if (fb == NULL) {
glDeleteTextures(1, &texture);
glXMakeContextCurrent(s->dpy, None, None, NULL);
glXDestroyPbuffer(s->dpy, pbuffer);
return;
}
glTexImage2D(GL_TEXTURE_2D, 0, 3, s->regs[R_TEXHRES], s->regs[R_TEXVRES],
0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, fb);
cpu_physical_memory_unmap(fb, fb_len, 0, fb_len);
/* Set up texturing options */
/* WARNING:
* Many cases of TMU2 masking are not supported by OpenGL.
* We only implement the most common ones:
* - full bilinear filtering vs. nearest texel
* - texture clamping vs. texture wrapping
*/
if ((s->regs[R_TEXHMASK] & 0x3f) > 0x20) {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
} else {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
}
if ((s->regs[R_TEXHMASK] >> 6) & s->regs[R_TEXHRES]) {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
} else {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
}
if ((s->regs[R_TEXVMASK] >> 6) & s->regs[R_TEXVRES]) {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
} else {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
}
/* Translucency and decay */
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
m = (float)(s->regs[R_BRIGHTNESS] + 1) / 64.0f;
glColor4f(m, m, m, (float)(s->regs[R_ALPHA] + 1) / 64.0f);
/* Read the QEMU dest. framebuffer into the OpenGL framebuffer */
fb_len = 2ULL * s->regs[R_DSTHRES] * s->regs[R_DSTVRES];
fb = cpu_physical_memory_map(s->regs[R_DSTFBUF], &fb_len, 0);
if (fb == NULL) {
glDeleteTextures(1, &texture);
glXMakeContextCurrent(s->dpy, None, None, NULL);
glXDestroyPbuffer(s->dpy, pbuffer);
return;
}
glDrawPixels(s->regs[R_DSTHRES], s->regs[R_DSTVRES], GL_RGB,
GL_UNSIGNED_SHORT_5_6_5, fb);
cpu_physical_memory_unmap(fb, fb_len, 0, fb_len);
glViewport(0, 0, s->regs[R_DSTHRES], s->regs[R_DSTVRES]);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0.0, s->regs[R_DSTHRES], 0.0, s->regs[R_DSTVRES], -1.0, 1.0);
glMatrixMode(GL_MODELVIEW);
/* Map the texture */
mesh_len = MESH_MAXSIZE*MESH_MAXSIZE*sizeof(struct vertex);
mesh = cpu_physical_memory_map(s->regs[R_VERTICESADDR], &mesh_len, 0);
if (mesh == NULL) {
glDeleteTextures(1, &texture);
glXMakeContextCurrent(s->dpy, None, None, NULL);
glXDestroyPbuffer(s->dpy, pbuffer);
return;
}
tmu2_gl_map((struct vertex *)mesh,
s->regs[R_TEXHRES], s->regs[R_TEXVRES],
s->regs[R_HMESHLAST], s->regs[R_VMESHLAST],
s->regs[R_DSTHOFFSET], s->regs[R_DSTVOFFSET],
s->regs[R_DSTSQUAREW], s->regs[R_DSTSQUAREH]);
cpu_physical_memory_unmap(mesh, mesh_len, 0, mesh_len);
/* Write back the OpenGL framebuffer to the QEMU framebuffer */
fb_len = 2 * s->regs[R_DSTHRES] * s->regs[R_DSTVRES];
fb = cpu_physical_memory_map(s->regs[R_DSTFBUF], &fb_len, 1);
if (fb == NULL) {
glDeleteTextures(1, &texture);
glXMakeContextCurrent(s->dpy, None, None, NULL);
glXDestroyPbuffer(s->dpy, pbuffer);
return;
}
glReadPixels(0, 0, s->regs[R_DSTHRES], s->regs[R_DSTVRES], GL_RGB,
GL_UNSIGNED_SHORT_5_6_5, fb);
cpu_physical_memory_unmap(fb, fb_len, 1, fb_len);
/* Free OpenGL allocs */
glDeleteTextures(1, &texture);
glXMakeContextCurrent(s->dpy, None, None, NULL);
glXDestroyPbuffer(s->dpy, pbuffer);
s->regs[R_CTL] &= ~CTL_START_BUSY;
trace_milkymist_tmu2_pulse_irq();
qemu_irq_pulse(s->irq);
}
| 2,302 |
FFmpeg | 15ccaa344c4f645ae791aafecdef3d886e196127 | 1 | static void imdct36(INTFLOAT *out, INTFLOAT *buf, INTFLOAT *in, INTFLOAT *win)
{
int i, j;
INTFLOAT t0, t1, t2, t3, s0, s1, s2, s3;
INTFLOAT tmp[18], *tmp1, *in1;
for (i = 17; i >= 1; i--)
in[i] += in[i-1];
for (i = 17; i >= 3; i -= 2)
in[i] += in[i-2];
for (j = 0; j < 2; j++) {
tmp1 = tmp + j;
in1 = in + j;
t2 = in1[2*4] + in1[2*8] - in1[2*2];
t3 = in1[2*0] + SHR(in1[2*6],1);
t1 = in1[2*0] - in1[2*6];
tmp1[ 6] = t1 - SHR(t2,1);
tmp1[16] = t1 + t2;
t0 = MULH3(in1[2*2] + in1[2*4] , C2, 2);
t1 = MULH3(in1[2*4] - in1[2*8] , -2*C8, 1);
t2 = MULH3(in1[2*2] + in1[2*8] , -C4, 2);
tmp1[10] = t3 - t0 - t2;
tmp1[ 2] = t3 + t0 + t1;
tmp1[14] = t3 + t2 - t1;
tmp1[ 4] = MULH3(in1[2*5] + in1[2*7] - in1[2*1], -C3, 2);
t2 = MULH3(in1[2*1] + in1[2*5], C1, 2);
t3 = MULH3(in1[2*5] - in1[2*7], -2*C7, 1);
t0 = MULH3(in1[2*3], C3, 2);
t1 = MULH3(in1[2*1] + in1[2*7], -C5, 2);
tmp1[ 0] = t2 + t3 + t0;
tmp1[12] = t2 + t1 - t0;
tmp1[ 8] = t3 - t1 - t0;
}
i = 0;
for (j = 0; j < 4; j++) {
t0 = tmp[i];
t1 = tmp[i + 2];
s0 = t1 + t0;
s2 = t1 - t0;
t2 = tmp[i + 1];
t3 = tmp[i + 3];
s1 = MULH3(t3 + t2, icos36h[ j], 2);
s3 = MULLx(t3 - t2, icos36 [8 - j], FRAC_BITS);
t0 = s0 + s1;
t1 = s0 - s1;
out[(9 + j) * SBLIMIT] = MULH3(t1, win[ 9 + j], 1) + buf[4*(9 + j)];
out[(8 - j) * SBLIMIT] = MULH3(t1, win[ 8 - j], 1) + buf[4*(8 - j)];
buf[4 * ( 9 + j )] = MULH3(t0, win[MDCT_BUF_SIZE/2 + 9 + j], 1);
buf[4 * ( 8 - j )] = MULH3(t0, win[MDCT_BUF_SIZE/2 + 8 - j], 1);
t0 = s2 + s3;
t1 = s2 - s3;
out[(9 + 8 - j) * SBLIMIT] = MULH3(t1, win[ 9 + 8 - j], 1) + buf[4*(9 + 8 - j)];
out[ j * SBLIMIT] = MULH3(t1, win[ j], 1) + buf[4*( j)];
buf[4 * ( 9 + 8 - j )] = MULH3(t0, win[MDCT_BUF_SIZE/2 + 9 + 8 - j], 1);
buf[4 * ( j )] = MULH3(t0, win[MDCT_BUF_SIZE/2 + j], 1);
i += 4;
}
s0 = tmp[16];
s1 = MULH3(tmp[17], icos36h[4], 2);
t0 = s0 + s1;
t1 = s0 - s1;
out[(9 + 4) * SBLIMIT] = MULH3(t1, win[ 9 + 4], 1) + buf[4*(9 + 4)];
out[(8 - 4) * SBLIMIT] = MULH3(t1, win[ 8 - 4], 1) + buf[4*(8 - 4)];
buf[4 * ( 9 + 4 )] = MULH3(t0, win[MDCT_BUF_SIZE/2 + 9 + 4], 1);
buf[4 * ( 8 - 4 )] = MULH3(t0, win[MDCT_BUF_SIZE/2 + 8 - 4], 1);
}
| 2,303 |
FFmpeg | 32baeafeee4f8446c2c3720b9223ad2166ca9d30 | 1 | void ff_jref_idct_put(uint8_t *dest, ptrdiff_t line_size, int16_t *block)
{
ff_j_rev_dct(block);
ff_put_pixels_clamped(block, dest, line_size);
}
| 2,304 |
qemu | 372254c6e5c078fb13b236bb648d2b9b2b0c70f1 | 1 | static void e1000_reset(void *opaque)
{
E1000State *d = opaque;
qemu_del_timer(d->autoneg_timer);
memset(d->phy_reg, 0, sizeof d->phy_reg);
memmove(d->phy_reg, phy_reg_init, sizeof phy_reg_init);
memset(d->mac_reg, 0, sizeof d->mac_reg);
memmove(d->mac_reg, mac_reg_init, sizeof mac_reg_init);
d->rxbuf_min_shift = 1;
memset(&d->tx, 0, sizeof d->tx);
if (d->nic->nc.link_down) {
e1000_link_down(d);
}
/* Some guests expect pre-initialized RAH/RAL (AddrValid flag + MACaddr) */
d->mac_reg[RA] = 0;
d->mac_reg[RA + 1] = E1000_RAH_AV;
for (i = 0; i < 4; i++) {
d->mac_reg[RA] |= macaddr[i] << (8 * i);
d->mac_reg[RA + 1] |= (i < 2) ? macaddr[i + 4] << (8 * i) : 0;
}
} | 2,305 |
qemu | a7afc6b8c13c70e9c40b4f666be80600f8ad0b3d | 1 | void qtest_add_func(const char *str, void (*fn))
{
gchar *path = g_strdup_printf("/%s/%s", qtest_get_arch(), str);
g_test_add_func(path, fn);
} | 2,306 |
FFmpeg | 7f526efd17973ec6d2204f7a47b6923e2be31363 | 1 | void palette8torgb16(const uint8_t *src, uint8_t *dst, unsigned num_pixels, const uint8_t *palette)
{
unsigned i;
for(i=0; i<num_pixels; i++)
((uint16_t *)dst)[i] = ((uint16_t *)palette)[ src[i] ];
}
| 2,307 |
qemu | 4d8d5467cd6e324fb49ae97b9d5dcee3973d9a19 | 1 | static void ppc_spapr_init(ram_addr_t ram_size,
const char *boot_device,
const char *kernel_filename,
const char *kernel_cmdline,
const char *initrd_filename,
const char *cpu_model)
{
CPUState *env;
int i;
MemoryRegion *sysmem = get_system_memory();
MemoryRegion *ram = g_new(MemoryRegion, 1);
target_phys_addr_t rma_alloc_size, rma_size;
uint32_t initrd_base;
long kernel_size, initrd_size, fw_size;
long pteg_shift = 17;
char *filename;
spapr = g_malloc0(sizeof(*spapr));
QLIST_INIT(&spapr->phbs);
cpu_ppc_hypercall = emulate_spapr_hypercall;
/* Allocate RMA if necessary */
rma_alloc_size = kvmppc_alloc_rma("ppc_spapr.rma", sysmem);
if (rma_alloc_size == -1) {
hw_error("qemu: Unable to create RMA\n");
exit(1);
}
if (rma_alloc_size && (rma_alloc_size < ram_size)) {
rma_size = rma_alloc_size;
} else {
rma_size = ram_size;
}
/* We place the device tree just below either the top of the RMA,
* or just below 2GB, whichever is lowere, so that it can be
* processed with 32-bit real mode code if necessary */
spapr->fdt_addr = MIN(rma_size, 0x80000000) - FDT_MAX_SIZE;
spapr->rtas_addr = spapr->fdt_addr - RTAS_MAX_SIZE;
/* init CPUs */
if (cpu_model == NULL) {
cpu_model = kvm_enabled() ? "host" : "POWER7";
}
for (i = 0; i < smp_cpus; i++) {
env = cpu_init(cpu_model);
if (!env) {
fprintf(stderr, "Unable to find PowerPC CPU definition\n");
exit(1);
}
/* Set time-base frequency to 512 MHz */
cpu_ppc_tb_init(env, TIMEBASE_FREQ);
qemu_register_reset((QEMUResetHandler *)&cpu_reset, env);
env->hreset_vector = 0x60;
env->hreset_excp_prefix = 0;
env->gpr[3] = env->cpu_index;
}
/* allocate RAM */
spapr->ram_limit = ram_size;
if (spapr->ram_limit > rma_alloc_size) {
ram_addr_t nonrma_base = rma_alloc_size;
ram_addr_t nonrma_size = spapr->ram_limit - rma_alloc_size;
memory_region_init_ram(ram, "ppc_spapr.ram", nonrma_size);
vmstate_register_ram_global(ram);
memory_region_add_subregion(sysmem, nonrma_base, ram);
}
/* allocate hash page table. For now we always make this 16mb,
* later we should probably make it scale to the size of guest
* RAM */
spapr->htab_size = 1ULL << (pteg_shift + 7);
spapr->htab = qemu_memalign(spapr->htab_size, spapr->htab_size);
for (env = first_cpu; env != NULL; env = env->next_cpu) {
env->external_htab = spapr->htab;
env->htab_base = -1;
env->htab_mask = spapr->htab_size - 1;
/* Tell KVM that we're in PAPR mode */
env->spr[SPR_SDR1] = (unsigned long)spapr->htab |
((pteg_shift + 7) - 18);
env->spr[SPR_HIOR] = 0;
if (kvm_enabled()) {
kvmppc_set_papr(env);
}
}
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "spapr-rtas.bin");
spapr->rtas_size = load_image_targphys(filename, spapr->rtas_addr,
ram_size - spapr->rtas_addr);
if (spapr->rtas_size < 0) {
hw_error("qemu: could not load LPAR rtas '%s'\n", filename);
exit(1);
}
g_free(filename);
/* Set up Interrupt Controller */
spapr->icp = xics_system_init(XICS_IRQS);
spapr->next_irq = 16;
/* Set up VIO bus */
spapr->vio_bus = spapr_vio_bus_init();
for (i = 0; i < MAX_SERIAL_PORTS; i++) {
if (serial_hds[i]) {
spapr_vty_create(spapr->vio_bus, SPAPR_VTY_BASE_ADDRESS + i,
serial_hds[i]);
}
}
/* Set up PCI */
spapr_create_phb(spapr, "pci", SPAPR_PCI_BUID,
SPAPR_PCI_MEM_WIN_ADDR,
SPAPR_PCI_MEM_WIN_SIZE,
SPAPR_PCI_IO_WIN_ADDR);
for (i = 0; i < nb_nics; i++) {
NICInfo *nd = &nd_table[i];
if (!nd->model) {
nd->model = g_strdup("ibmveth");
}
if (strcmp(nd->model, "ibmveth") == 0) {
spapr_vlan_create(spapr->vio_bus, 0x1000 + i, nd);
} else {
pci_nic_init_nofail(&nd_table[i], nd->model, NULL);
}
}
for (i = 0; i <= drive_get_max_bus(IF_SCSI); i++) {
spapr_vscsi_create(spapr->vio_bus, 0x2000 + i);
}
if (kernel_filename) {
uint64_t lowaddr = 0;
kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
NULL, &lowaddr, NULL, 1, ELF_MACHINE, 0);
if (kernel_size < 0) {
kernel_size = load_image_targphys(kernel_filename,
KERNEL_LOAD_ADDR,
ram_size - KERNEL_LOAD_ADDR);
}
if (kernel_size < 0) {
fprintf(stderr, "qemu: could not load kernel '%s'\n",
kernel_filename);
exit(1);
}
/* load initrd */
if (initrd_filename) {
initrd_base = INITRD_LOAD_ADDR;
initrd_size = load_image_targphys(initrd_filename, initrd_base,
ram_size - initrd_base);
if (initrd_size < 0) {
fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
initrd_filename);
exit(1);
}
} else {
initrd_base = 0;
initrd_size = 0;
}
spapr->entry_point = KERNEL_LOAD_ADDR;
} else {
if (rma_size < (MIN_RMA_SLOF << 20)) {
fprintf(stderr, "qemu: pSeries SLOF firmware requires >= "
"%ldM guest RMA (Real Mode Area memory)\n", MIN_RMA_SLOF);
exit(1);
}
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, FW_FILE_NAME);
fw_size = load_image_targphys(filename, 0, FW_MAX_SIZE);
if (fw_size < 0) {
hw_error("qemu: could not load LPAR rtas '%s'\n", filename);
exit(1);
}
g_free(filename);
spapr->entry_point = 0x100;
initrd_base = 0;
initrd_size = 0;
/* SLOF will startup the secondary CPUs using RTAS,
rather than expecting a kexec() style entry */
for (env = first_cpu; env != NULL; env = env->next_cpu) {
env->halted = 1;
}
}
/* Prepare the device tree */
spapr->fdt_skel = spapr_create_fdt_skel(cpu_model, rma_size,
initrd_base, initrd_size,
boot_device, kernel_cmdline,
pteg_shift + 7);
assert(spapr->fdt_skel != NULL);
qemu_register_reset(spapr_reset, spapr);
}
| 2,308 |
qemu | 60fe637bf0e4d7989e21e50f52526444765c63b4 | 1 | void fd_start_outgoing_migration(MigrationState *s, const char *fdname, Error **errp)
{
int fd = monitor_get_fd(cur_mon, fdname, errp);
if (fd == -1) {
return;
}
s->file = qemu_fdopen(fd, "wb");
migrate_fd_connect(s);
}
| 2,309 |
FFmpeg | c842aa378db6c9da156bd245b8f8d05d889e3d7e | 1 | static int dvvideo_init(AVCodecContext *avctx)
{
DVVideoContext *s = avctx->priv_data;
DSPContext dsp;
static int done=0;
int i, j;
if (!done) {
VLC dv_vlc;
uint16_t new_dv_vlc_bits[NB_DV_VLC*2];
uint8_t new_dv_vlc_len[NB_DV_VLC*2];
uint8_t new_dv_vlc_run[NB_DV_VLC*2];
int16_t new_dv_vlc_level[NB_DV_VLC*2];
done = 1;
dv_vlc_map = av_mallocz_static(DV_VLC_MAP_LEV_SIZE*DV_VLC_MAP_RUN_SIZE*sizeof(struct dv_vlc_pair));
if (!dv_vlc_map)
return -ENOMEM;
/* dv_anchor lets each thread know its Id */
dv_anchor = av_malloc(12*27*sizeof(void*));
if (!dv_anchor) {
return -ENOMEM;
}
for (i=0; i<12*27; i++)
dv_anchor[i] = (void*)(size_t)i;
/* it's faster to include sign bit in a generic VLC parsing scheme */
for (i=0, j=0; i<NB_DV_VLC; i++, j++) {
new_dv_vlc_bits[j] = dv_vlc_bits[i];
new_dv_vlc_len[j] = dv_vlc_len[i];
new_dv_vlc_run[j] = dv_vlc_run[i];
new_dv_vlc_level[j] = dv_vlc_level[i];
if (dv_vlc_level[i]) {
new_dv_vlc_bits[j] <<= 1;
new_dv_vlc_len[j]++;
j++;
new_dv_vlc_bits[j] = (dv_vlc_bits[i] << 1) | 1;
new_dv_vlc_len[j] = dv_vlc_len[i] + 1;
new_dv_vlc_run[j] = dv_vlc_run[i];
new_dv_vlc_level[j] = -dv_vlc_level[i];
}
}
/* NOTE: as a trick, we use the fact the no codes are unused
to accelerate the parsing of partial codes */
init_vlc(&dv_vlc, TEX_VLC_BITS, j,
new_dv_vlc_len, 1, 1, new_dv_vlc_bits, 2, 2, 0);
dv_rl_vlc = av_malloc(dv_vlc.table_size * sizeof(RL_VLC_ELEM));
if (!dv_rl_vlc) {
av_free(dv_anchor);
return -ENOMEM;
}
for(i = 0; i < dv_vlc.table_size; i++){
int code= dv_vlc.table[i][0];
int len = dv_vlc.table[i][1];
int level, run;
if(len<0){ //more bits needed
run= 0;
level= code;
} else {
run= new_dv_vlc_run[code] + 1;
level= new_dv_vlc_level[code];
}
dv_rl_vlc[i].len = len;
dv_rl_vlc[i].level = level;
dv_rl_vlc[i].run = run;
}
free_vlc(&dv_vlc);
for (i = 0; i < NB_DV_VLC - 1; i++) {
if (dv_vlc_run[i] >= DV_VLC_MAP_RUN_SIZE)
continue;
#ifdef DV_CODEC_TINY_TARGET
if (dv_vlc_level[i] >= DV_VLC_MAP_LEV_SIZE)
continue;
#endif
if (dv_vlc_map[dv_vlc_run[i]][dv_vlc_level[i]].size != 0)
continue;
dv_vlc_map[dv_vlc_run[i]][dv_vlc_level[i]].vlc = dv_vlc_bits[i] <<
(!!dv_vlc_level[i]);
dv_vlc_map[dv_vlc_run[i]][dv_vlc_level[i]].size = dv_vlc_len[i] +
(!!dv_vlc_level[i]);
}
for (i = 0; i < DV_VLC_MAP_RUN_SIZE; i++) {
#ifdef DV_CODEC_TINY_TARGET
for (j = 1; j < DV_VLC_MAP_LEV_SIZE; j++) {
if (dv_vlc_map[i][j].size == 0) {
dv_vlc_map[i][j].vlc = dv_vlc_map[0][j].vlc |
(dv_vlc_map[i-1][0].vlc << (dv_vlc_map[0][j].size));
dv_vlc_map[i][j].size = dv_vlc_map[i-1][0].size +
dv_vlc_map[0][j].size;
}
}
#else
for (j = 1; j < DV_VLC_MAP_LEV_SIZE/2; j++) {
if (dv_vlc_map[i][j].size == 0) {
dv_vlc_map[i][j].vlc = dv_vlc_map[0][j].vlc |
(dv_vlc_map[i-1][0].vlc << (dv_vlc_map[0][j].size));
dv_vlc_map[i][j].size = dv_vlc_map[i-1][0].size +
dv_vlc_map[0][j].size;
}
dv_vlc_map[i][((uint16_t)(-j))&0x1ff].vlc =
dv_vlc_map[i][j].vlc | 1;
dv_vlc_map[i][((uint16_t)(-j))&0x1ff].size =
dv_vlc_map[i][j].size;
}
#endif
}
}
/* Generic DSP setup */
dsputil_init(&dsp, avctx);
s->get_pixels = dsp.get_pixels;
/* 88DCT setup */
s->fdct[0] = dsp.fdct;
s->idct_put[0] = dsp.idct_put;
for (i=0; i<64; i++)
s->dv_zigzag[0][i] = dsp.idct_permutation[ff_zigzag_direct[i]];
/* 248DCT setup */
s->fdct[1] = dsp.fdct248;
s->idct_put[1] = simple_idct248_put; // FIXME: need to add it to DSP
if(avctx->lowres){
for (i=0; i<64; i++){
int j= ff_zigzag248_direct[i];
s->dv_zigzag[1][i] = dsp.idct_permutation[(j&7) + (j&8)*4 + (j&48)/2];
}
}else
memcpy(s->dv_zigzag[1], ff_zigzag248_direct, 64);
/* XXX: do it only for constant case */
dv_build_unquantize_tables(s, dsp.idct_permutation);
/* FIXME: I really don't think this should be here */
if (dv_codec_profile(avctx))
avctx->pix_fmt = dv_codec_profile(avctx)->pix_fmt;
avctx->coded_frame = &s->picture;
s->avctx= avctx;
return 0;
}
| 2,310 |
qemu | fbeadf50f2f965741def823036b086bbc2999b1f | 1 | static uint64_t memory_region_dispatch_read1(MemoryRegion *mr,
hwaddr addr,
unsigned size)
{
uint64_t data = 0;
if (!memory_region_access_valid(mr, addr, size, false)) {
return -1U; /* FIXME: better signalling */
}
if (!mr->ops->read) {
return mr->ops->old_mmio.read[bitops_ffsl(size)](mr->opaque, addr);
}
/* FIXME: support unaligned access */
access_with_adjusted_size(addr, &data, size,
mr->ops->impl.min_access_size,
mr->ops->impl.max_access_size,
memory_region_read_accessor, mr);
return data;
}
| 2,311 |
FFmpeg | 7e80b63ecd259d69d383623e75b318bf2bd491f6 | 1 | static int cine_read_header(AVFormatContext *avctx)
{
AVIOContext *pb = avctx->pb;
AVStream *st;
unsigned int version, compression, offImageHeader, offSetup, offImageOffsets, biBitCount, length, CFA;
int vflip;
char *description;
uint64_t i;
st = avformat_new_stream(avctx, NULL);
if (!st)
return AVERROR(ENOMEM);
st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
st->codecpar->codec_id = AV_CODEC_ID_RAWVIDEO;
st->codecpar->codec_tag = 0;
/* CINEFILEHEADER structure */
avio_skip(pb, 4); // Type, Headersize
compression = avio_rl16(pb);
version = avio_rl16(pb);
if (version != 1) {
avpriv_request_sample(avctx, "unknown version %i", version);
return AVERROR_INVALIDDATA;
}
avio_skip(pb, 12); // FirstMovieImage, TotalImageCount, FirstImageNumber
st->duration = avio_rl32(pb);
offImageHeader = avio_rl32(pb);
offSetup = avio_rl32(pb);
offImageOffsets = avio_rl32(pb);
avio_skip(pb, 8); // TriggerTime
/* BITMAPINFOHEADER structure */
avio_seek(pb, offImageHeader, SEEK_SET);
avio_skip(pb, 4); //biSize
st->codecpar->width = avio_rl32(pb);
st->codecpar->height = avio_rl32(pb);
if (avio_rl16(pb) != 1) // biPlanes
return AVERROR_INVALIDDATA;
biBitCount = avio_rl16(pb);
if (biBitCount != 8 && biBitCount != 16 && biBitCount != 24 && biBitCount != 48) {
avpriv_request_sample(avctx, "unsupported biBitCount %i", biBitCount);
return AVERROR_INVALIDDATA;
}
switch (avio_rl32(pb)) {
case BMP_RGB:
vflip = 0;
break;
case 0x100: /* BI_PACKED */
st->codecpar->codec_tag = MKTAG('B', 'I', 'T', 0);
vflip = 1;
break;
default:
avpriv_request_sample(avctx, "unknown bitmap compression");
return AVERROR_INVALIDDATA;
}
avio_skip(pb, 4); // biSizeImage
/* parse SETUP structure */
avio_seek(pb, offSetup, SEEK_SET);
avio_skip(pb, 140); // FrameRatae16 .. descriptionOld
if (avio_rl16(pb) != 0x5453)
return AVERROR_INVALIDDATA;
length = avio_rl16(pb);
if (length < 0x163C) {
avpriv_request_sample(avctx, "short SETUP header");
return AVERROR_INVALIDDATA;
}
avio_skip(pb, 616); // Binning .. bFlipH
if (!avio_rl32(pb) ^ vflip) {
st->codecpar->extradata = av_strdup("BottomUp");
st->codecpar->extradata_size = 9;
}
avio_skip(pb, 4); // Grid
avpriv_set_pts_info(st, 64, 1, avio_rl32(pb));
avio_skip(pb, 20); // Shutter .. bEnableColor
set_metadata_int(&st->metadata, "camera_version", avio_rl32(pb), 0);
set_metadata_int(&st->metadata, "firmware_version", avio_rl32(pb), 0);
set_metadata_int(&st->metadata, "software_version", avio_rl32(pb), 0);
set_metadata_int(&st->metadata, "recording_timezone", avio_rl32(pb), 0);
CFA = avio_rl32(pb);
set_metadata_int(&st->metadata, "brightness", avio_rl32(pb), 1);
set_metadata_int(&st->metadata, "contrast", avio_rl32(pb), 1);
set_metadata_int(&st->metadata, "gamma", avio_rl32(pb), 1);
avio_skip(pb, 12 + 16); // Reserved1 .. AutoExpRect
set_metadata_float(&st->metadata, "wbgain[0].r", av_int2float(avio_rl32(pb)), 1);
set_metadata_float(&st->metadata, "wbgain[0].b", av_int2float(avio_rl32(pb)), 1);
avio_skip(pb, 36); // WBGain[1].. WBView
st->codecpar->bits_per_coded_sample = avio_rl32(pb);
if (compression == CC_RGB) {
if (biBitCount == 8) {
st->codecpar->format = AV_PIX_FMT_GRAY8;
} else if (biBitCount == 16) {
st->codecpar->format = AV_PIX_FMT_GRAY16LE;
} else if (biBitCount == 24) {
st->codecpar->format = AV_PIX_FMT_BGR24;
} else if (biBitCount == 48) {
st->codecpar->format = AV_PIX_FMT_BGR48LE;
} else {
avpriv_request_sample(avctx, "unsupported biBitCount %i", biBitCount);
return AVERROR_INVALIDDATA;
}
} else if (compression == CC_UNINT) {
switch (CFA & 0xFFFFFF) {
case CFA_BAYER:
if (biBitCount == 8) {
st->codecpar->format = AV_PIX_FMT_BAYER_GBRG8;
} else if (biBitCount == 16) {
st->codecpar->format = AV_PIX_FMT_BAYER_GBRG16LE;
} else {
avpriv_request_sample(avctx, "unsupported biBitCount %i", biBitCount);
return AVERROR_INVALIDDATA;
}
break;
case CFA_BAYERFLIP:
if (biBitCount == 8) {
st->codecpar->format = AV_PIX_FMT_BAYER_RGGB8;
} else if (biBitCount == 16) {
st->codecpar->format = AV_PIX_FMT_BAYER_RGGB16LE;
} else {
avpriv_request_sample(avctx, "unsupported biBitCount %i", biBitCount);
return AVERROR_INVALIDDATA;
}
break;
default:
avpriv_request_sample(avctx, "unsupported Color Field Array (CFA) %i", CFA & 0xFFFFFF);
return AVERROR_INVALIDDATA;
}
} else { //CC_LEAD
avpriv_request_sample(avctx, "unsupported compression %i", compression);
return AVERROR_INVALIDDATA;
}
avio_skip(pb, 668); // Conv8Min ... Sensor
set_metadata_int(&st->metadata, "shutter_ns", avio_rl32(pb), 0);
avio_skip(pb, 24); // EDRShutterNs ... ImHeightAcq
#define DESCRIPTION_SIZE 4096
description = av_malloc(DESCRIPTION_SIZE + 1);
if (!description)
return AVERROR(ENOMEM);
i = avio_get_str(pb, DESCRIPTION_SIZE, description, DESCRIPTION_SIZE + 1);
if (i < DESCRIPTION_SIZE)
avio_skip(pb, DESCRIPTION_SIZE - i);
if (description[0])
av_dict_set(&st->metadata, "description", description, AV_DICT_DONT_STRDUP_VAL);
else
av_free(description);
avio_skip(pb, 1176); // RisingEdge ... cmUser
set_metadata_int(&st->metadata, "enable_crop", avio_rl32(pb), 1);
set_metadata_int(&st->metadata, "crop_left", avio_rl32(pb), 1);
set_metadata_int(&st->metadata, "crop_top", avio_rl32(pb), 1);
set_metadata_int(&st->metadata, "crop_right", avio_rl32(pb), 1);
set_metadata_int(&st->metadata, "crop_bottom", avio_rl32(pb), 1);
/* parse image offsets */
avio_seek(pb, offImageOffsets, SEEK_SET);
for (i = 0; i < st->duration; i++)
av_add_index_entry(st, avio_rl64(pb), i, 0, 0, AVINDEX_KEYFRAME);
return 0;
}
| 2,312 |
qemu | 563890c7c7e977842e2a35afe7a24d06d2103242 | 1 | QDict *qtest_qmpv(QTestState *s, const char *fmt, va_list ap)
{
/* Send QMP request */
socket_sendf(s->qmp_fd, fmt, ap);
/* Receive reply */
return qtest_qmp_receive(s);
}
| 2,313 |