[FFmpeg-trac] #5993(undetermined:new): Not written DecoderSpecificInfo with aac_adtstoasc bsf and empty_moov flags

FFmpeg trac at avcodec.org
Tue Dec 6 06:15:12 EET 2016


#5993: Not written DecoderSpecificInfo with aac_adtstoasc bsf and empty_moov flags
-------------------------------------+-------------------------------------
             Reporter:  miyukki      |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by miyukki):

 Reproduce terminal with completely output:
 {{{
 ➜  tmp ffmpeg -i source.ts -f mp4 -vcodec copy -acodec copy -bsf:a
 aac_adtstoasc dest.mp4
 ffmpeg version 3.1.4 Copyright (c) 2000-2016 the FFmpeg developers
   built with Apple LLVM version 7.3.0 (clang-703.0.31)
   configuration: --prefix=/usr/local/Cellar/ffmpeg/3.1.4 --enable-shared
 --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables
 --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-
 opencl --enable-libx264 --enable-libmp3lame --enable-libxvid --enable-
 libfreetype --enable-libvorbis --enable-libvpx --enable-libass --enable-
 libfdk-aac --enable-libopus --enable-libx265 --enable-libwebp --disable-
 lzma --enable-nonfree --enable-vda
   libavutil      55. 28.100 / 55. 28.100
   libavcodec     57. 48.101 / 57. 48.101
   libavformat    57. 41.100 / 57. 41.100
   libavdevice    57.  0.101 / 57.  0.101
   libavfilter     6. 47.100 /  6. 47.100
   libavresample   3.  0.  0 /  3.  0.  0
   libswscale      4.  1.100 /  4.  1.100
   libswresample   2.  1.100 /  2.  1.100
   libpostproc    54.  0.100 / 54.  0.100
 Input #0, mpegts, from 'source.ts':
   Duration: 00:00:09.33, start: 5488.084122, bitrate: 484 kb/s
   Program 1
     Stream #0:0[0x102]: Data: timed_id3 (ID3  / 0x20334449)
     Stream #0:1[0x100]: Video: h264 (Main) ([27][0][0][0] / 0x001B),
 yuv420p, 426x240, 25 fps, 25 tbr, 90k tbn, 6k tbc
     Stream #0:2[0x101]: Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100
 Hz, stereo, fltp, 97 kb/s
 [mp4 @ 0x7fd7bc803c00] Using AVStream.codec to pass codec parameters to
 muxers is deprecated, use AVStream.codecpar instead.
     Last message repeated 1 times
 Output #0, mp4, to 'dest.mp4':
   Metadata:
     encoder         : Lavf57.41.100
     Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 426x240,
 q=2-31, 25 fps, 25 tbr, 90k tbn, 90k tbc
     Stream #0:1: Audio: aac (LC) ([64][0][0][0] / 0x0040), 44100 Hz,
 stereo, 97 kb/s
 Stream mapping:
   Stream #0:1 -> #0:0 (copy)
   Stream #0:2 -> #0:1 (copy)
 Press [q] to stop, [?] for help
 frame=  233 fps=0.0 q=-1.0 Lsize=     507kB time=00:00:09.33 bitrate=
 445.4kbits/s speed= 447x
 video:393kB audio:108kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 1.249113%

 ➜  tmp  ffmpeg -i source.ts -f mp4 -vcodec copy -acodec copy -bsf:a
 aac_adtstoasc -movflags empty_moov dest_empty_moov.mp4
 ffmpeg version 3.1.4 Copyright (c) 2000-2016 the FFmpeg developers
   built with Apple LLVM version 7.3.0 (clang-703.0.31)
   configuration: --prefix=/usr/local/Cellar/ffmpeg/3.1.4 --enable-shared
 --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables
 --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-
 opencl --enable-libx264 --enable-libmp3lame --enable-libxvid --enable-
 libfreetype --enable-libvorbis --enable-libvpx --enable-libass --enable-
 libfdk-aac --enable-libopus --enable-libx265 --enable-libwebp --disable-
 lzma --enable-nonfree --enable-vda
   libavutil      55. 28.100 / 55. 28.100
   libavcodec     57. 48.101 / 57. 48.101
   libavformat    57. 41.100 / 57. 41.100
   libavdevice    57.  0.101 / 57.  0.101
   libavfilter     6. 47.100 /  6. 47.100
   libavresample   3.  0.  0 /  3.  0.  0
   libswscale      4.  1.100 /  4.  1.100
   libswresample   2.  1.100 /  2.  1.100
   libpostproc    54.  0.100 / 54.  0.100
 Input #0, mpegts, from 'source.ts':
   Duration: 00:00:09.33, start: 5488.084122, bitrate: 484 kb/s
   Program 1
     Stream #0:0[0x102]: Data: timed_id3 (ID3  / 0x20334449)
     Stream #0:1[0x100]: Video: h264 (Main) ([27][0][0][0] / 0x001B),
 yuv420p, 426x240, 25 fps, 25 tbr, 90k tbn, 6k tbc
     Stream #0:2[0x101]: Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100
 Hz, stereo, fltp, 97 kb/s
 [mp4 @ 0x7f9839809400] Using AVStream.codec to pass codec parameters to
 muxers is deprecated, use AVStream.codecpar instead.
     Last message repeated 1 times
 Output #0, mp4, to 'dest_empty_moov.mp4':
   Metadata:
     encoder         : Lavf57.41.100
     Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 426x240,
 q=2-31, 25 fps, 25 tbr, 90k tbn, 90k tbc
     Stream #0:1: Audio: aac (LC) ([64][0][0][0] / 0x0040), 44100 Hz,
 stereo, 97 kb/s
 Stream mapping:
   Stream #0:1 -> #0:0 (copy)
   Stream #0:2 -> #0:1 (copy)
 Press [q] to stop, [?] for help
 [mp4 @ 0x7f9839809400] Estimating the duration of the last packet in a
 fragment, consider setting the duration field in AVPacket instead.
 frame=  233 fps=0.0 q=-1.0 Lsize=     505kB time=00:00:09.33 bitrate=
 443.0kbits/s speed= 643x
 video:393kB audio:108kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 0.701421%
 }}}

 Show esds atom box using mp4dump command that is included Bento4.

 {{{
 ➜  tmp mp4dump dest.mp4 | grep -A12 esds
               [esds] size=12+39
                 [ESDescriptor] size=5+34
                   es_id = 2
                   stream_priority = 0
                   [DecoderConfig] size=5+20
                     stream_type = 5
                     object_type = 64
                     up_stream = 0
                     buffer_size = 0
                     max_bitrate = 97157
                     avg_bitrate = 95114
                     DecoderSpecificInfo = 12 10
                   [Descriptor:06] size=5+1

 ➜  tmp mp4dump dest_empty_moov.mp4 | grep -A11 esds
               [esds] size=12+32
                 [ESDescriptor] size=5+27
                   es_id = 2
                   stream_priority = 0
                   [DecoderConfig] size=5+13
                     stream_type = 5
                     object_type = 64
                     up_stream = 0
                     buffer_size = 0
                     max_bitrate = 97157
                     avg_bitrate = 0
                   [Descriptor:06] size=5+1
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/5993#comment:2>
FFmpeg <https://ffmpeg.org>
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