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avcodec/vc1dec: look for ENDOFSEQ markers at the end of a packet's payload

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This is in preparation for the parser no longer splitting them into their own
packets.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2025-10-29 12:17:56 -03:00
parent fc2c030fb2
commit 9ab6a94195
1 changed files with 4 additions and 1 deletions
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5
libavcodec/vc1dec.c
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@@ -832,8 +832,11 @@ static int vc1_decode_frame(AVCodecContext *avctx, AVFrame *pict,
if(s->avctx->flags & AV_CODEC_FLAG_LOW_DELAY)
s->low_delay = 1;
if (buf_size >= 4 && AV_RB32(&buf[buf_size-4]) == VC1_CODE_ENDOFSEQ)
buf_size -= 4;
/* no supplementary picture */
if (buf_size == 0 || (buf_size == 4 && AV_RB32(buf) == VC1_CODE_ENDOFSEQ)) {
if (buf_size == 0) {
/* special case for last picture */
if (s->low_delay == 0 && s->next_pic.ptr) {
if ((ret = av_frame_ref(pict, s->next_pic.ptr->f)) < 0)