}
}
-int ff_pred_weight_table(H264Context *h, H264SliceContext *sl)
-{
- int list, i;
- int luma_def, chroma_def;
-
- sl->use_weight = 0;
- sl->use_weight_chroma = 0;
- sl->luma_log2_weight_denom = get_ue_golomb(&sl->gb);
- if (h->sps.chroma_format_idc)
- sl->chroma_log2_weight_denom = get_ue_golomb(&sl->gb);
-
- if (sl->luma_log2_weight_denom > 7U) {
- av_log(h->avctx, AV_LOG_ERROR, "luma_log2_weight_denom %d is out of range\n", sl->luma_log2_weight_denom);
- sl->luma_log2_weight_denom = 0;
- }
- if (sl->chroma_log2_weight_denom > 7U) {
- av_log(h->avctx, AV_LOG_ERROR, "chroma_log2_weight_denom %d is out of range\n", sl->chroma_log2_weight_denom);
- sl->chroma_log2_weight_denom = 0;
- }
-
- luma_def = 1 << sl->luma_log2_weight_denom;
- chroma_def = 1 << sl->chroma_log2_weight_denom;
-
- for (list = 0; list < 2; list++) {
- sl->luma_weight_flag[list] = 0;
- sl->chroma_weight_flag[list] = 0;
- for (i = 0; i < sl->ref_count[list]; i++) {
- int luma_weight_flag, chroma_weight_flag;
-
- luma_weight_flag = get_bits1(&sl->gb);
- if (luma_weight_flag) {
- sl->luma_weight[i][list][0] = get_se_golomb(&sl->gb);
- sl->luma_weight[i][list][1] = get_se_golomb(&sl->gb);
- if (sl->luma_weight[i][list][0] != luma_def ||
- sl->luma_weight[i][list][1] != 0) {
- sl->use_weight = 1;
- sl->luma_weight_flag[list] = 1;
- }
- } else {
- sl->luma_weight[i][list][0] = luma_def;
- sl->luma_weight[i][list][1] = 0;
- }
-
- if (h->sps.chroma_format_idc) {
- chroma_weight_flag = get_bits1(&sl->gb);
- if (chroma_weight_flag) {
- int j;
- for (j = 0; j < 2; j++) {
- sl->chroma_weight[i][list][j][0] = get_se_golomb(&sl->gb);
- sl->chroma_weight[i][list][j][1] = get_se_golomb(&sl->gb);
- if (sl->chroma_weight[i][list][j][0] != chroma_def ||
- sl->chroma_weight[i][list][j][1] != 0) {
- sl->use_weight_chroma = 1;
- sl->chroma_weight_flag[list] = 1;
- }
- }
- } else {
- int j;
- for (j = 0; j < 2; j++) {
- sl->chroma_weight[i][list][j][0] = chroma_def;
- sl->chroma_weight[i][list][j][1] = 0;
- }
- }
- }
- }
- if (sl->slice_type_nos != AV_PICTURE_TYPE_B)
- break;
- }
- sl->use_weight = sl->use_weight || sl->use_weight_chroma;
- return 0;
-}
-
/**
* instantaneous decoder refresh.
*/
const uint8_t *p= buf+6;
while(cnt--){
int nalsize= AV_RB16(p) + 2;
- if(nalsize > buf_size - (p-buf) || p[2]!=0x67)
+ if(nalsize > buf_size - (p-buf) || (p[2] & 0x9F) != 7)
return 0;
p += nalsize;
}
return 0;
while(cnt--){
int nalsize= AV_RB16(p) + 2;
- if(nalsize > buf_size - (p-buf) || p[2]!=0x68)
+ if(nalsize > buf_size - (p-buf) || (p[2] & 0x9F) != 8)
return 0;
p += nalsize;
}