[FFmpeg-trac] #10720(undetermined:new): ALAC_AT (AudioToolbox) broken in recent versions.

FFmpeg trac at avcodec.org
Mon Dec 4 19:36:39 EET 2023


#10720: ALAC_AT (AudioToolbox) broken in recent versions.
-------------------------------------+-------------------------------------
             Reporter:  Atarikid     |                     Type:  defect
               Status:  new          |                 Priority:  important
            Component:               |                  Version:  git-
  undetermined                       |  master
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 alac_at (hardware accelerated encoding with AudioToolBox) is not working
 anymore.



 /Users/dossin/ffmpeg  -probesize 50M -analyzeduration 100M -i
 /Users/dossin/Desktop/test.mp4 -map 0:0 -map 0:1 -c:a alac_at -c:v copy
 /Users/dossin/Movies/test3.mov

 ffmpeg version N-112877-g6d19611251- Copyright (c) 2000-2023 the FFmpeg
 developers
   built with Apple clang version 14.0.0 (clang-1400.0.29.102)
   configuration: --prefix=/Volumes/ffmpeg_arm64/out --pkg-config-
 flags=--static --enable-gray --enable-libxml2 --enable-gpl --enable-
 libfreetype --enable-fontconfig --enable-libharfbuzz --enable-libbluray
 --enable-libsnappy --enable-libsrt --enable-libvmaf --enable-libass
 --enable-libklvanc --enable-libzimg --enable-libzvbi --enable-libaom
 --enable-libdav1d --enable-libopenh264 --enable-libopenjpeg --enable-
 librav1e --enable-libsvtav1 --enable-libvpx --enable-libwebp --enable-
 libx264 --enable-libx265 --enable-libmp3lame --enable-libopus --enable-
 libvorbis --enable-libtheora
   libavutil      58. 32.100 / 58. 32.100
   libavcodec     60. 35.100 / 60. 35.100
   libavformat    60. 18.100 / 60. 18.100
   libavdevice    60.  4.100 / 60.  4.100
   libavfilter     9. 14.100 /  9. 14.100
   libswscale      7.  6.100 /  7.  6.100
   libswresample   4. 13.100 /  4. 13.100
   libpostproc    57.  4.100 / 57.  4.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/Users/dossin/Desktop/test.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
     creation_time   : 1970-01-01T00:00:00.000000Z
     title           : Star Wars The Force Awakens Trailer-2015.mp4
     artist          : Avidemux
     encoder         : Lavf52.61.0
   Duration: 00:02:20.13, start: 0.000000, bitrate: 1806 kb/s
   Stream #0:0[0x1](und): Video: h264 (High) (avc1 / 0x31637661),
 yuv420p(progressive), 1280x720 [SAR 1:1 DAR 16:9], 1609 kb/s, 24 fps, 24
 tbr, 24k tbn (default)
     Metadata:
       creation_time   : 1970-01-01T00:00:00.000000Z
       handler_name    : VideoHandler
       vendor_id       : [0][0][0][0]
   Stream #0:1[0x2](und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz,
 stereo, fltp, 192 kb/s (default)
     Metadata:
       creation_time   : 1970-01-01T00:00:00.000000Z
       handler_name    : SoundHandler
       vendor_id       : [0][0][0][0]
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
   Stream #0:1 -> #0:1 (aac (native) -> alac (alac_at))
 Press [q] to stop, [?] for help
 Assertion ost->sq_idx_encode >= 0 failed at fftools/ffmpeg_enc.c:327
 bash: line 1: 30518 Abort trap: 6
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/10720>
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