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June 2024

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#11043(undetermined:new): fmpeg & ffplay skip over sections of certain .mkv files when transcoding or playing the file back respectively.
by FFmpeg 02 Jun '24

02 Jun '24

#11043: fmpeg & ffplay skip over sections of certain .mkv files when transcoding or playing the file back respectively. -------------------------------------+------------------------------------- Reporter: Patrick | Type: defect Rhodes Martin | Status: new | Priority: normal Component: | Version: undetermined | unspecified Keywords: | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- Summary of the bug: FFmpeg & FFplay skip over sections of certain .mkv files when transcoding or playing the file back respectively. In this case it's the video's opening. How to reproduce: Attempt to transcode or playback the file "[Chihiro ]_To_Aru_Kagaku_no_Railgun_-_01_[1280x720_Blu-ray_FLAC][6B774195].mkv" which has the CRC32 of 6B774195 it will skip the intro song. I cannot post the file. I assume one of you will know where to find it. The log file is long so I've attached it as an attachment. -- Ticket URL: <https://trac.ffmpeg.org/ticket/11043> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker

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#11042(avcodec:new): MacOS videotoolbox compile broken by recent commit
by FFmpeg 01 Jun '24

01 Jun '24

#11042: MacOS videotoolbox compile broken by recent commit -------------------------------------+------------------------------------- Reporter: Vargol | Type: defect Status: new | Priority: important Component: avcodec | Version: git- Keywords: | master hevc_videotoolbox | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- Summary of the bug: commit [https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/6fed1841a1f5dd3cdcf343f7792…] has broken the compilation of ffmpeg from HEAD on MacOS when videotoolbox is enabled. {{{ libavcodec/videotoolbox.c:352:24: error: no member named 'temporal_id_nesting_flag' in 'struct HEVCSPS'; did you mean 'temporal_id_nesting'? sps->temporal_id_nesting_flag << 2 | ^~~~~~~~~~~~~~~~~~~~~~~~ temporal_id_nesting libavcodec/videotoolbox.c:156:29: note: expanded from macro 'AV_W8' #define AV_W8(p, v) *(p) = (v) ^ libavcodec/hevc_ps.h:249:13: note: 'temporal_id_nesting' declared here uint8_t temporal_id_nesting; ^ CC libavcodec/vmixdec.o 1 error generated. }}} How to reproduce: build ffmeg on MacOS from git with the --enable-videotoolbox I'm using my own script [https://github.com/Vargol/ffmpeg-apple- arm64-build] with {{{ BUILD_FROM_MAIN=TRUE }}} in build.sh -- Ticket URL: <https://trac.ffmpeg.org/ticket/11042> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker

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