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 7.1 has been released! | Please read ffmpeg.org/developer.html#Code-of-conduct
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<cone-177> ffmpeg Leo Izen master:3fca5877d034: avcodec/pngdec: avoid hard failure on illegal sBIT chunks
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<fflogger> [editedticket] zcybercomputing: Ticket #11461 ([avformat] Corruption of 608 captions data on extraction) updated https://trac.ffmpeg.org/ticket/11461#comment:3
<cone-177> ffmpeg Marth64 master:0ae5b1bfcca7: avcodec/hw_base_encode: log the readable error message on failure
<cone-177> ffmpeg Scott Theisen master:9fb806fa5773: avcodec: add AV_CODEC_ID_IVTV_VBI
<cone-177> ffmpeg Scott Theisen master:e838e6cbe2d8: avformat/mpeg: demux ivtv captions
<fflogger> [newticket] zcybercomputing: Ticket #11462 ([undetermined] Cannot embed .scc file into .mp4 using -c:s copy) created https://trac.ffmpeg.org/ticket/11462
<fflogger> [editedticket] Marth64: Ticket #11462 ([undetermined] Cannot embed .scc file into .mp4 using -c:s copy) updated https://trac.ffmpeg.org/ticket/11462#comment:1
<fflogger> [editedticket] zcybercomputing: Ticket #11462 ([undetermined] Cannot embed .scc file into .mp4 using -c:s copy) updated https://trac.ffmpeg.org/ticket/11462#comment:2
<fflogger> [editedticket] zcybercomputing: Ticket #11461 ([avformat] Corruption of 608 captions data on extraction) updated https://trac.ffmpeg.org/ticket/11461#comment:4
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<fflogger> [editedticket] softworkz: Ticket #11462 ([undetermined] Cannot embed .scc file into .mp4 using -c:s copy) updated https://trac.ffmpeg.org/ticket/11462#comment:3
<fflogger> [editedticket] Marth64: Ticket #11462 ([undetermined] Cannot embed .scc file into .mp4 using -c:s copy) updated https://trac.ffmpeg.org/ticket/11462#comment:4
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<fflogger> [editedticket] zcybercomputing: Ticket #11462 ([undetermined] Cannot embed .scc file into .mp4 using -c:s copy) updated https://trac.ffmpeg.org/ticket/11462#comment:5
<fflogger> [editedticket] softworkz: Ticket #11462 ([undetermined] Cannot embed .scc file into .mp4 using -c:s copy) updated https://trac.ffmpeg.org/ticket/11462#comment:6
<fflogger> [editedticket] Marth64: Ticket #11462 ([undetermined] Cannot embed .scc file into .mp4 using -c:s copy) updated https://trac.ffmpeg.org/ticket/11462#comment:7
<Marth64> give up on arguing this for the day
<Marth64> my head hurts
<fflogger> [editedticket] softworkz: Ticket #11462 ([undetermined] Cannot embed .scc file into .mp4 using -c:s copy) updated https://trac.ffmpeg.org/ticket/11462#comment:8
<fflogger> [editedticket] softworkz: Ticket #11462 ([undetermined] Cannot embed .scc file into .mp4 using -c:s copy) updated https://trac.ffmpeg.org/ticket/11462#comment:9
<Marth64> eia608 and interlacing can burn in the same hell
<kasper93> facts
<fflogger> [editedticket] zcybercomputing: Ticket #11462 ([undetermined] Cannot embed .scc file into .mp4 using -c:s copy) updated https://trac.ffmpeg.org/ticket/11462#comment:10
<fflogger> [editedticket] softworkz: Ticket #11462 ([undetermined] Cannot embed .scc file into .mp4 using -c:s copy) updated https://trac.ffmpeg.org/ticket/11462#comment:11
<fflogger> [editedticket] softworkz: Ticket #11462 ([undetermined] Cannot embed .scc file into .mp4 using -c:s copy) updated https://trac.ffmpeg.org/ticket/11462#comment:12
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<fflogger> [editedticket] softworkz: Ticket #11462 ([undetermined] Cannot embed .scc file into .mp4 using -c:s copy) updated https://trac.ffmpeg.org/ticket/11462#comment:13
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<fflogger> [editedticket] zcybercomputing: Ticket #11462 ([undetermined] Cannot embed .scc file into .mp4 using -c:s copy) updated https://trac.ffmpeg.org/ticket/11462#comment:14
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<Marth64> sorry for the joint/part spam going through some machine issues
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<fflogger> [editedticket] softworkz: Ticket #11462 ([undetermined] Cannot embed .scc file into .mp4 using -c:s copy) updated https://trac.ffmpeg.org/ticket/11462#comment:15
<fflogger> [editedticket] zcybercomputing: Ticket #11462 ([undetermined] Cannot embed .scc file into .mp4 using -c:s copy) updated https://trac.ffmpeg.org/ticket/11462#comment:16
<fflogger> [editedticket] zcybercomputing: Ticket #11462 ([undetermined] Cannot embed .scc file into .mp4 using -c:s copy) updated https://trac.ffmpeg.org/ticket/11462#comment:17
<fflogger> [editedticket] zcybercomputing: Ticket #11461 ([avformat] Corruption of 608 captions data on extraction) updated https://trac.ffmpeg.org/ticket/11461#comment:5
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<fflogger> [newticket] uttam_32472: Ticket #11463 ([undetermined] Bitstreams with long Closed Captions do not get passed through in transcode flows) created https://trac.ffmpeg.org/ticket/11463
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<Traneptora> Marth64> eia608 and interlacing can burn in the same hell
<Traneptora> don't forget IVTC
<Traneptora> and /1001 framerate denominators
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<Lynne> telecine is by far the worst
<Lynne> imo odd framerates are perfectly okay, if you don't properly use a timebase for calculations, you shouldn't be writing a player
<Lynne> I have some horribly telecine'd live events shot on 24fps, telecined to 30fps, and they're completely unrecoverable
<Lynne> on a blu-ray!
<nevcairiel> NTSC frame rates are definitely the least offensive in the bunch
<nevcairiel> telecine is not bad in theory, but in practice its so often messed up
<Traneptora> in this house we do not love or respect pulldown
<fflogger> [editedticket] galad: Ticket #11462 ([undetermined] Cannot embed .scc file into .mp4 using -c:s copy) updated https://trac.ffmpeg.org/ticket/11462#comment:18
<fflogger> [editedticket] zcybercomputing: Ticket #11462 ([undetermined] Cannot embed .scc file into .mp4 using -c:s copy) updated https://trac.ffmpeg.org/ticket/11462#comment:19
<fflogger> [editedticket] softworkz: Ticket #11462 ([undetermined] Cannot embed .scc file into .mp4 using -c:s copy) updated https://trac.ffmpeg.org/ticket/11462#comment:20
<fflogger> [editedticket] galad: Ticket #11462 ([undetermined] Cannot embed .scc file into .mp4 using -c:s copy) updated https://trac.ffmpeg.org/ticket/11462#comment:21
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<fflogger> [editedticket] zcybercomputing: Ticket #11462 ([undetermined] Cannot embed .scc file into .mp4 using -c:s copy) updated https://trac.ffmpeg.org/ticket/11462#comment:22
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<fflogger> [editedticket] JackLau: Ticket #11394 ([undetermined] ffmpeg ignores -seekable 0 when requesting hls key) updated https://trac.ffmpeg.org/ticket/11394#comment:2
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<cone-677> ffmpeg Gyan Doshi master:a28dc06869fe: avfilter/scale*: add option reset_sar
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<cone-677> ffmpeg Martin Storsjö master:8b3e0061e10b: x86: aacencdsp: Fix negating signed values in aac_quantize_bands
<cone-677> ffmpeg Martin Storsjö master:e75a0f3c7555: checkasm: aacencdsp: Actually test nonzero values in quant_bands
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<cone-677> ffmpeg Krzysztof Pyrkosz master:9fb97215dfb2: avcodec/aarch64/opusdsp_neon: Simplify opus_postfilter_neon
<BtbN> https://github.com/BtbN/FFmpeg-Builds/actions/runs/13240439286/job/36955306364#step:5:1281 -> libavfilter/vf_amf_common.c:284:5: error: too few arguments to function 'ff_scale_adjust_dimensions'
<cone-677> ffmpeg Timo Rothenpieler master:d6a364e7c39b: avfilter/vf_amf_common: fix build
<Lynne> wrote a tutorial on how to import any random vkdevice and vkimage you get to ffmpeg: https://gist.github.com/cyanreg/3e2c5ccd091188c7ffac8ba85b529bb3
<IQLeader> congratulations, such an advanced dev skills!
<IQLeader> beats leader at ease
<haasn> why are AV_PIX_FMT_XV30BE / AV_PIX_FMT_XV30LE defined as AV_PIX_FMT_FLAG_BITSTREAM ?
<haasn> as I understood, this flag is useful mainly for formats where pixels are not aligned with byte boundaries
<haasn> but xv30 is aligned, it has 2 bits of padding in bitween each pixel
<Lynne> that flag most definitely does not mean that
<haasn> oh even weirder, xv30be is bitstream while xv30le is not
<Lynne> otherwise we wouldn't have bitpacked or v210 decoders
<IQLeader> yes, bitstream flag as used in some spots is invalid
<IQLeader> bitstream means aligned is not on byte boundary, so bits need to be moved around in more complex manner
<Lynne> but it does mean that there's still an alignment requirement for all values for a single pixel or component pairs to fit in a byte-aligned value
<Lynne> rather than a continuous bitstream of say 10bit values
<Lynne> its infuriating
<IQLeader> v210 need more patterns to self describe
<fflogger> [editedticket] dheitmueller: Ticket #11462 ([undetermined] Cannot embed .scc file into .mp4 using -c:s copy) updated https://trac.ffmpeg.org/ticket/11462#comment:23