Quoting James Almer (2023-06-20 21:39:22) > On 6/20/2023 3:53 PM, Anton Khirnov wrote: > > Fixed-point AAC decoder currently does not produce the same output on > > all platforms. Until that is fixed, silence the audio stream using the > > volume filter. > > > > Also, actually use the aac_fixed decoder as was the original intent. > > --- > > tests/fate/ffmpeg.mak | 7 +- > > tests/ref/fate/ffmpeg-streamloop-transcode-av | 144 +++++++++--------- > > 2 files changed, 77 insertions(+), 74 deletions(-) > > > > diff --git a/tests/fate/ffmpeg.mak b/tests/fate/ffmpeg.mak > > index 87cd0b46d0..763ed381ee 100644 > > --- a/tests/fate/ffmpeg.mak > > +++ b/tests/fate/ffmpeg.mak > > @@ -132,9 +132,12 @@ fate-ffmpeg-fix_sub_duration_heartbeat: CMD = > > fmtstdout srt -fix_sub_duration \ > > -c:s srt \ > > -f null - > > > > -FATE_SAMPLES_FFMPEG-$(call FRAMECRC, MATROSKA, H264 AAC_FIXED, > > PCM_S32LE_ENCODER) += fate-ffmpeg-streamloop-transcode-av > > +# FIXME: the integer AAC decoder does not produce the same output on all > > platforms > > +# so until that is fixed we use the volume filter to silence the data > > +FATE_SAMPLES_FFMPEG-$(call FRAMECRC, MATROSKA, H264 AAC_FIXED, > > PCM_S32LE_ENCODER VOLUME_FILTER) += fate-ffmpeg-streamloop-transcode-av > > fate-ffmpeg-streamloop-transcode-av: CMD = \ > > - framecrc -auto_conversion_filters -stream_loop 3 -i > > $(TARGET_SAMPLES)/mkv/1242-small.mkv -c:a pcm_s32le > > + framecrc -auto_conversion_filters -stream_loop 3 -c:a aac_fixed -i > > $(TARGET_SAMPLES)/mkv/1242-small.mkv \ > > + -af volume=0 -c:a pcm_s32le > > Maybe do volume=0:precision=fixed so you can remove the > -auto_conversion_filters part.
It's mainly there to interleave s32p to s32 for encoding -- Anton Khirnov _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
