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avcodec/vp8: fix multiple ff_thread_finish_setup() calls 

webp decoder doesn't set update_thread_context field

$ ffmpeg -i rgb_q80.webp -f null -
[webp @ 0x7ffbd5823200] Multiple ff_thread_finish_setup() calls

Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Zhao Zhili 2019-11-14 12:29:55 +08:00 committed by Michael Niedermayer
parent 3a6ec10d90
commit ed5cdf3d5a
1 changed files with 2 additions and 1 deletions
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3
libavcodec/vp8.c
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@ -2715,7 +2715,8 @@ int vp78_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
s->next_framep[VP56_FRAME_CURRENT] = curframe;
ff_thread_finish_setup(avctx);
if (avctx->codec->update_thread_context)
ff_thread_finish_setup(avctx);
if (avctx->hwaccel) {
ret = avctx->hwaccel->start_frame(avctx, avpkt->data, avpkt->size);