ffmpeg | branch: master | Michael Niedermayer <michael@niedermayer.cc> | Mon May 28 22:29:57 2018 +0200| [8c50d0cccfe4c9f25a8494f76da55dcdc2275058] | committer: Michael Niedermayer avcodec/idctdsp: Clear idct/idct_add for studio profile This does not leave them "as before" which may be a value from a previous profile Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8c50d0cccfe4c9f25a...

libavcodec/idctdsp.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/libavcodec/idctdsp.c b/libavcodec/idctdsp.c index 954066a5e3..846ed0b0f8 100644 --- a/libavcodec/idctdsp.c +++ b/libavcodec/idctdsp.c @@ -258,9 +258,11 @@ av_cold void ff_idctdsp_init(IDCTDSPContext *c, AVCodecContext *avctx) if (avctx->bits_per_raw_sample == 10 || avctx->bits_per_raw_sample == 9) { /* 10-bit MPEG-4 Simple Studio Profile requires a higher precision IDCT However, it only uses idct_put */ - if (c->mpeg4_studio_profile) + if (c->mpeg4_studio_profile) { c->idct_put = ff_simple_idct_put_int32_10bit; - else { + c->idct_add = NULL; + c->idct = NULL; + } else { c->idct_put = ff_simple_idct_put_int16_10bit; c->idct_add = ff_simple_idct_add_int16_10bit; c->idct = ff_simple_idct_int16_10bit;