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avcodec/h264: Fail for invalid mixed IDR / non IDR frames in slice threading mode

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Fixes Ticket4408

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit fc58d5c43b4c7396fc69081eb0dfe5b6a21cb10d)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-04-04 19:28:33 +02:00
parent fa538f1a8c
commit f1b4a71ddf
1 changed files with 7 additions and 1 deletions
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8
libavcodec/h264.c
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@ -1537,8 +1537,14 @@ again:
ret = -1;
goto end;
}
if(!idr_cleared)
if(!idr_cleared) {
if (h->current_slice && (avctx->active_thread_type & FF_THREAD_SLICE)) {
av_log(h, AV_LOG_ERROR, "invalid mixed IDR / non IDR frames cannot be decoded in slice multithreading mode\n");
ret = AVERROR_INVALIDDATA;
goto end;
}
idr(h); // FIXME ensure we don't lose some frames if there is reordering
}
idr_cleared = 1;
h->has_recovery_point = 1;
case NAL_SLICE: