michaelni changed the topic of #ffmpeg-devel to: Welcome to the FFmpeg development channel | Questions about using FFmpeg or developing with libav* libs should be asked in #ffmpeg | This channel is publicly logged | FFmpeg 6.1 has been released! | Please read ffmpeg.org/developer.html#Code-of-conduct
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<michaelni>
elenril, a commit by you seems to have fixed a null pointer deref in master thats still unfixed in 6.1 (https://trac.ffmpeg.org/ticket/10687)
<michaelni>
dont think its important enough to delay 6.1.1 but as you worked on the code ...
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<cone-355>
ffmpeg Wenbin Chen master:56c5930ec36b: libavfilter/vf_dnn_detect: Add two outputs ssd support
<cone-355>
ffmpeg Wenbin Chen master:86435582a62b: libavfilter/dnn_backend_openvino: Add dynamic output support
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<thardin>
hrm, lavf overrides demuxer bitrate
<thardin>
demux.c that is
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<Traneptora>
well demuxer bitrate number is kinda unreliable isn't it
<Traneptora>
that's probably why
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<cone-888>
ffmpeg Michael Niedermayer master:68146f06f852: avfilter/vf_minterpolate: Check pts before division
<cone-888>
ffmpeg Michael Niedermayer master:08bd2cbfeb34: avfilter/avf_showwaves: Check history_nb_samples
<cone-888>
ffmpeg Michael Niedermayer master:e063c1d07908: avcodec/mpegvideo_enc: Use ptrdiff_t for stride
<cone-888>
ffmpeg Michael Niedermayer master:a066b8a809fa: avcodec/mpegvideo_enc: Dont copy beyond the image
<thardin>
Traneptora: it's accurate if the duration is accurate
<Traneptora>
which is unreliable tho?
<thardin>
depends
<thardin>
on files with more than one stream in them you often have different start and end times on multiple streams
<thardin>
audio typically has a negative start time. should that count toward the total duration of the file?
<thardin>
anyway demux.c does the right thing after thinking about it a little. you have to account for overhead after all
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<Traneptora>
if audio starts slightly before video is it presented?
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<Traneptora>
if it's not presented, IMO it shouldn't count toward the total duration for playback purposes
<JEEB>
yea, most commonly for stuff like priming samples
<thardin>
presentation and storage are two different things. so: It Depends
<thardin>
this gets worse with formats like MXF
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<thardin>
see also another classic problem: "what is the resolution of this video?"
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<cone-888>
ffmpeg Michael Niedermayer release/6.1:ea276a511a3a: avfilter/avf_showwaves: Check history_nb_samples
<cone-888>
ffmpeg Michael Niedermayer release/6.1:c9e6162554cc: avfilter/vf_minterpolate: Check pts before division
<cone-888>
ffmpeg Michael Niedermayer release/6.1:e1c2fa6b9add: avcodec/mpegvideo_enc: Dont copy beyond the image
<cone-888>
ffmpeg Michael Niedermayer release/6.1:e38092ef9395: Changelog: update