ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinha...@outlook.com> | Thu Sep 8 15:09:26 2022 +0200| [df215e575850e41b19aeb1fd99e53372a6b3d537] | committer: Andreas Rheinhardt
avcodec/dca_core: Only call emms_c() if needed It is not needed on x64, because the AV_COPY* and AV_ZERO* macros never use MMX on x64. Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=df215e575850e41b19aeb1fd99e53372a6b3d537 --- libavcodec/dca_core.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/libavcodec/dca_core.c b/libavcodec/dca_core.c index 1655116eed..bbf36ea678 100644 --- a/libavcodec/dca_core.c +++ b/libavcodec/dca_core.c @@ -767,7 +767,9 @@ static void erase_adpcm_history(DCACoreDecoder *s) for (band = 0; band < DCA_SUBBANDS; band++) AV_ZERO128(s->subband_samples[ch][band] - DCA_ADPCM_COEFFS); +#ifdef FF_COPY_SWAP_ZERO_USES_MMX emms_c(); +#endif } static int alloc_sample_buffer(DCACoreDecoder *s) @@ -831,7 +833,9 @@ static int parse_frame_data(DCACoreDecoder *s, enum HeaderType header, int xch_b } } +#ifdef FF_COPY_SWAP_ZERO_USES_MMX emms_c(); +#endif return 0; } @@ -1276,7 +1280,9 @@ static void erase_x96_adpcm_history(DCACoreDecoder *s) for (band = 0; band < DCA_SUBBANDS_X96; band++) AV_ZERO128(s->x96_subband_samples[ch][band] - DCA_ADPCM_COEFFS); +#ifdef FF_COPY_SWAP_ZERO_USES_MMX emms_c(); +#endif } static int alloc_x96_sample_buffer(DCACoreDecoder *s) @@ -1506,7 +1512,9 @@ static int parse_x96_frame_data(DCACoreDecoder *s, int exss, int xch_base) } } +#ifdef FF_COPY_SWAP_ZERO_USES_MMX emms_c(); +#endif return 0; } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
