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avcodec/h263dec: Reinitialize idct context if it has not been setup for the active profile

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The profile after reading headers can be different from when the context was initialized

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2018-05-28 22:29:58 +02:00
parent 8c50d0cccf
commit 44a2415a6d
1 changed files with 2 additions and 0 deletions
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libavcodec/h263dec.c
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@ -546,6 +546,8 @@ retry:
if (CONFIG_MPEG4_DECODER && avctx->codec_id == AV_CODEC_ID_MPEG4) {
if (ff_mpeg4_workaround_bugs(avctx) == 1)
goto retry;
if (s->studio_profile != (s->idsp.idct == NULL))
ff_mpv_idct_init(s);
}
/* After H.263 & MPEG-4 header decode we have the height, width,