ffmpeg | branch: master | Michael Niedermayer <michael@niedermayer.cc> | Mon May 28 22:29:58 2018 +0200| [44a2415a6d94f841f2026bb70b8b3c19ba68aa72] | committer: Michael Niedermayer avcodec/h263dec: Reinitialize idct context if it has not been setup for the active profile The profile after reading headers can be different from when the context was initialized Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=44a2415a6d94f841f2...

libavcodec/h263dec.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/h263dec.c b/libavcodec/h263dec.c index c082af1c52..f8a38083f2 100644 --- a/libavcodec/h263dec.c +++ b/libavcodec/h263dec.c @@ -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,