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Revert "Revert "Merge commit 'd1d7678040cd60148f97b372cb4291bcc45b2e22'""

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This reverts commit e4af9be0f4 and redoes
796027f221.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Timothy Gu 2016-08-03 17:45:36 -07:00
parent e4af9be0f4
commit 826c780c12
3 changed files with 12 additions and 6 deletions
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7
libavcodec/h264_slice.c
View File

@ -1497,6 +1497,8 @@ static int h264_field_start(H264Context *h, const H264SliceContext *sl,
h->nb_mmco = sl->nb_mmco;
h->explicit_ref_marking = sl->explicit_ref_marking;
h->picture_idr = nal->type == H264_NAL_IDR_SLICE;
/* Set the frame properties/side data. Only done for the second field in
* field coded frames, since some SEI information is present for each field
* and is merged by the SEI parsing code. */
@ -1829,6 +1831,11 @@ int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl,
}
}
if (h->picture_idr && nal->type != H264_NAL_IDR_SLICE) {
av_log(h->avctx, AV_LOG_ERROR, "Invalid mix of IDR and non-IDR slices\n");
return AVERROR_INVALIDDATA;
}
av_assert1(h->mb_num == h->mb_width * h->mb_height);
if (sl->first_mb_addr << FIELD_OR_MBAFF_PICTURE(h) >= h->mb_num ||
sl->first_mb_addr >= h->mb_num) {

6
libavcodec/h264dec.c
View File

@ -783,12 +783,6 @@ again:
ret = -1;
goto end;
}
if (nal->type != H264_NAL_IDR_SLICE) {
av_log(h->avctx, AV_LOG_ERROR,
"Invalid mix of idr and non-idr slices\n");
ret = -1;
goto end;
}
if(!idr_cleared) {
if (h->current_slice && (avctx->active_thread_type & FF_THREAD_SLICE)) {
av_log(h, AV_LOG_ERROR, "invalid mixed IDR / non IDR frames cannot be decoded in slice multithreading mode\n");

5
libavcodec/h264dec.h
View File

@ -384,6 +384,11 @@ typedef struct H264Context {
*/
int postpone_filter;
/*
* Set to 1 when the current picture is IDR, 0 otherwise.
*/
int picture_idr;
int8_t(*intra4x4_pred_mode);
H264PredContext hpc;