[FFmpeg-trac] #7703(undetermined:new): Dolby TrueHD: 100 buffers queued in out_0_0, something may be wrong

[FFmpeg]

#7703: Dolby TrueHD: 100 buffers queued in out_0_0, something may be wrong
-------------------------------------+-------------------------------------
             Reporter:  flx90        |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:  git-
  undetermined                       |  master
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 I'm trying to convert Dolby TrueHD embedded in mkv container to alac and
 mux it into mp4(m4v)-container.
 I get the following message: [out_0_0 @ 000000000045a0c0] 100 buffers
 queued in out_0_0, something may be wrong.

 This can be replicated using one of those Dolby Trailers:
 https://thedigitaltheater.com/dolby-trailers/

 The message occurs with every output (alac, flac, wav, ...).


 Uncut console output:
 {{{
 ffmpeg -i Dolby_Bit_Harvest_Lossless-thedigitaltheater.mkv -map 0:1 -c:a
 alac Dolby_Bit_Harvest_Lossless-thedigitaltheater.m4v
 ffmpeg version N-93022-g260f1960e7 Copyright (c) 2000-2019 the FFmpeg
 developers
   built with gcc 8.2.1 (GCC) 20181201
   configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-
 fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-
 libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-
 amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus
 --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora
 --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp
 --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg
 --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-
 libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex
 --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-
 ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec
 --enable-dxva2 --enable-avisynth --enable-libopenmpt
   libavutil      56. 26.100 / 56. 26.100
   libavcodec     58. 44.100 / 58. 44.100
   libavformat    58. 26.100 / 58. 26.100
   libavdevice    58.  6.101 / 58.  6.101
   libavfilter     7. 48.100 /  7. 48.100
   libswscale      5.  4.100 /  5.  4.100
   libswresample   3.  4.100 /  3.  4.100
   libpostproc    55.  4.100 / 55.  4.100
 Input #0, matroska,webm, from 'Dolby_Bit_Harvest_Lossless-
 thedigitaltheater.mkv':
   Metadata:
     encoder         : libmakemkv v1.9.5 (1.3.0/1.4.1) win(x64-release)
     creation_time   : 2015-08-29T18:56:26.000000Z
   Duration: 00:00:11.01, start: 0.000000, bitrate: 12615 kb/s
     Stream #0:0(eng): Video: h264 (High), yuv420p(progressive), 1920x1080,
 SAR 1:1 DAR 16:9, 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc
     Stream #0:1(eng): Audio: truehd, 48000 Hz, 7.1, s32 (24 bit) (default)
     Metadata:
       title           : Surround 7.1
 Stream mapping:
   Stream #0:1 -> #0:0 (truehd (native) -> alac (native)) Press [q] to
 stop, [?] for help Output #0, ipod, to 'Dolby_Bit_Harvest_Lossless-
 thedigitaltheater.m4v':
   Metadata:
     encoder         : Lavf58.26.100
     Stream #0:0(eng): Audio: alac (alac / 0x63616C61), 48000 Hz,
 6.1(back), s32p (24 bit), 128 kb/s (default)
     Metadata:
       title           : Surround 7.1
       encoder         : Lavc58.44.100 alac
 [out_0_0 @ 000000000045a0c0] 100 buffers queued in out_0_0, something may
 be wrong.
 [truehd @ 0000000002ff7640] End of stream indicated.
 size=    5179kB time=00:00:11.09 bitrate=3824.1kbits/s speed=22.9x
 video:0kB audio:5177kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 0.040051%
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/7703>
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