[FFmpeg-trac] #3163(avformat:new): Broadcast Wave Metadata not carried over with -codec:a copy

FFmpeg trac at avcodec.org
Sun Nov 24 10:24:42 CET 2013


#3163: Broadcast Wave Metadata not carried over with -codec:a copy
------------------------------------+------------------------------------
             Reporter:  rexbron     |                    Owner:
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  avformat
              Version:  git-master  |               Resolution:
             Keywords:  wav         |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
------------------------------------+------------------------------------
Changes (by cehoyos):

 * keywords:  timecode BWF audio => wav
 * component:  FFmpeg => avformat


Old description:

> Timecode and Framerate metadata is not carried over when using -codec:a
> copy from one wav to another. This results in being unable to trim a file
> and keep the timecode metadata required for post-production.
>
> The metadata is listed in the output section of ffmpeg but not by ffprobe
> or Davinci Resolve. I have highlighted in bold the differing lines.
>
> Attached are samples of the input and output of the file.
>
> PS D:\Projects\CMU Video\Sound> ffmpeg -i .\COMP20T02.WAV -codec:a copy
> .\COMP20T02_ffmpeg.WAV
> ffmpeg version N-58338-gfb7d70c Copyright (c) 2000-2013 the FFmpeg
> developers
>   built on Nov 21 2013 20:11:19 with gcc 4.8.2 (GCC)
>   configuration: --disable-static --enable-shared --enable-gpl --enable-
> version3 --disable-w32threads --enable-avisynth
> --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls
> --enable-iconv --enable-libass --enable-libbluray --e
> nable-libcaca --enable-libfreetype --enable-libgsm --enable-libilbc
> --enable-libmodplug --enable-libmp3lame --enable-lib
> opencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-
> libopus --enable-librtmp --enable-libschroedinge
> r --enable-libsoxr --enable-libspeex --enable-libtheora --enable-
> libtwolame --enable-libvidstab --enable-libvo-aacenc --
> enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-
> libwavpack --enable-libx264 --enable-libxavs --enable-
> libxvid --enable-zlib
>   libavutil      52. 53.100 / 52. 53.100
>   libavcodec     55. 44.100 / 55. 44.100
>   libavformat    55. 21.100 / 55. 21.100
>   libavdevice    55.  5.100 / 55.  5.100
>   libavfilter     3. 91.100 /  3. 91.100
>   libswscale      2.  5.101 /  2.  5.101
>   libswresample   0. 17.104 /  0. 17.104
>   libpostproc    52.  3.100 / 52.  3.100
> Guessed Channel Layout for  Input Stream #0.0 : stereo
> Input #0, wav, from '.\COMP20T02.WAV':
>   Metadata:
>     comment         : sSPEED=023.976-ND
>                     : sTAKE=02
>                     : sUBITS=$21111300
>                     : sSWVER=1.04.09
>                     : sSCENE=COMP20
>                     : sFILENAME=COMP20T02.WAV
>                     : sTAPE=131121
>                     : sCIRCLED=FALSE
>                     : sTRK1=MixL
>                     : sTRK2=MixR
>                     : sNOTE=
>                     :
>     encoded_by      : Sound Dev: Mix664 S#KA0513012001
> '''    originator_reference: USSDVKA0513012001131121IR6sb  01'''
>    ''' date            : 2013-11-21'''
>     '''creation_time   : 18:27:12'''
>    ''' time_reference  : 3015876865'''
>    ''' coding_history  : A=PCM,F=48000,W=24,M=stereo,R=48000,T=2Ch'''
>                     :
>   Duration: 00:00:57.06, bitrate: 2304 kb/s
>     Stream #0:0: Audio: pcm_s24le ([1][0][0][0] / 0x0001), 48000 Hz,
> stereo, s32, 2304 kb/s
> Output #0, wav, to '.\COMP20T02_ffmpeg.WAV':
>   Metadata:
>     ICMT            : sSPEED=023.976-ND
>                     : sTAKE=02
>                     : sUBITS=$21111300
>                     : sSWVER=1.04.09
>                     : sSCENE=COMP20
>                     : sFILENAME=COMP20T02.WAV
>                     : sTAPE=131121
>                     : sCIRCLED=FALSE
>                     : sTRK1=MixL
>                     : sTRK2=MixR
>                     : sNOTE=
>                     :
>     ITCH            : Sound Dev: Mix664 S#KA0513012001
>     originator_reference: USSDVKA0513012001131121IR6sb  01
>     ICRD            : 2013-11-21
>     coding_history  : A=PCM,F=48000,W=24,M=stereo,R=48000,T=2 Ch
>                     :
>     time_reference  : 3015876865
>     ISFT            : Lavf55.21.100
>     Stream #0:0: Audio: pcm_s24le ([1][0][0][0] / 0x0001), 48000 Hz,
> stereo, 2304 kb/s
> Stream mapping:
>   Stream #0:0 -> #0:0 (copy)
> Press [q] to stop, [?] for help
> size=   16048kB time=00:00:57.05 bitrate=2304.0kbits/s
> video:0kB audio:16047kB subtitle:0 global headers:0kB muxing overhead
> 0.002057%
> PS D:\Projects\CMU Video\Sound> ffmpeg -i .\COMP20T02.WAV -t 10 -codec:a
> copy .\COMP20T02_ffmpeg_trim.WAV
> ffmpeg version N-58338-gfb7d70c Copyright (c) 2000-2013 the FFmpeg
> developers
>   built on Nov 21 2013 20:11:19 with gcc 4.8.2 (GCC)
>   configuration: --disable-static --enable-shared --enable-gpl --enable-
> version3 --disable-w32threads --enable-avisynth
> --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls
> --enable-iconv --enable-libass --enable-libbluray --e
> nable-libcaca --enable-libfreetype --enable-libgsm --enable-libilbc
> --enable-libmodplug --enable-libmp3lame --enable-lib
> opencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-
> libopus --enable-librtmp --enable-libschroedinge
> r --enable-libsoxr --enable-libspeex --enable-libtheora --enable-
> libtwolame --enable-libvidstab --enable-libvo-aacenc --
> enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-
> libwavpack --enable-libx264 --enable-libxavs --enable-
> libxvid --enable-zlib
>   libavutil      52. 53.100 / 52. 53.100
>   libavcodec     55. 44.100 / 55. 44.100
>   libavformat    55. 21.100 / 55. 21.100
>   libavdevice    55.  5.100 / 55.  5.100
>   libavfilter     3. 91.100 /  3. 91.100
>   libswscale      2.  5.101 /  2.  5.101
>   libswresample   0. 17.104 /  0. 17.104
>   libpostproc    52.  3.100 / 52.  3.100
> Guessed Channel Layout for  Input Stream #0.0 : stereo
> Input #0, wav, from '.\COMP20T02.WAV':
>   Metadata:
>     comment         : sSPEED=023.976-ND
>                     : sTAKE=02
>                     : sUBITS=$21111300
>                     : sSWVER=1.04.09
>                     : sSCENE=COMP20
>                     : sFILENAME=COMP20T02.WAV
>                     : sTAPE=131121
>                     : sCIRCLED=FALSE
>                     : sTRK1=MixL
>                     : sTRK2=MixR
>                     : sNOTE=
>                     :
>     encoded_by      : Sound Dev: Mix664 S#KA0513012001
>     originator_reference: USSDVKA0513012001131121IR6sb  01
>     date            : 2013-11-21
>     creation_time   : 18:27:12
>     time_reference  : 3015876865
>     coding_history  : A=PCM,F=48000,W=24,M=stereo,R=48000,T=2 Ch
>                     :
>   Duration: 00:00:57.06, bitrate: 2304 kb/s
>     Stream #0:0: Audio: pcm_s24le ([1][0][0][0] / 0x0001), 48000 Hz,
> stereo, s32, 2304 kb/s
> Output #0, wav, to '.\COMP20T02_ffmpeg_trim.WAV':
>   Metadata:
>     ICMT            : sSPEED=023.976-ND
>                     : sTAKE=02
>                     : sUBITS=$21111300
>                     : sSWVER=1.04.09
>                     : sSCENE=COMP20
>                     : sFILENAME=COMP20T02.WAV
>                     : sTAPE=131121
>                     : sCIRCLED=FALSE
>                     : sTRK1=MixL
>                     : sTRK2=MixR
>                     : sNOTE=
>                     :
>     ITCH            : Sound Dev: Mix664 S#KA0513012001
>     originator_reference: USSDVKA0513012001131121IR6sb  01
>     ICRD            : 2013-11-21
>     coding_history  : A=PCM,F=48000,W=24,M=stereo,R=48000,T=2 Ch
>                     :
>     time_reference  : 3015876865
>     ISFT            : Lavf55.21.100
>     Stream #0:0: Audio: pcm_s24le ([1][0][0][0] / 0x0001), 48000 Hz,
> stereo, 2304 kb/s
> Stream mapping:
>   Stream #0:0 -> #0:0 (copy)
> Press [q] to stop, [?] for help
> size=    2814kB time=00:00:10.00 bitrate=2304.3kbits/s
> video:0kB audio:2813kB subtitle:0 global headers:0kB muxing overhead
> 0.011733%
>

> PS D:\Projects\CMU Video\FFMPEG_Trim_test> ffprobe .\COMP20T02_ffmpeg.WAV
> ffprobe version N-58338-gfb7d70c Copyright (c) 2007-2013 the FFmpeg
> developers
>   built on Nov 21 2013 20:11:19 with gcc 4.8.2 (GCC)
>   configuration: --disable-static --enable-shared --enable-gpl --enable-
> version3 --disable-w32threads --enable-avisynth
> --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls
> --enable-iconv --enable-libass --enable-libbluray --e
> nable-libcaca --enable-libfreetype --enable-libgsm --enable-libilbc
> --enable-libmodplug --enable-libmp3lame --enable-lib
> opencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-
> libopus --enable-librtmp --enable-libschroedinge
> r --enable-libsoxr --enable-libspeex --enable-libtheora --enable-
> libtwolame --enable-libvidstab --enable-libvo-aacenc --
> enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-
> libwavpack --enable-libx264 --enable-libxavs --enable-
> libxvid --enable-zlib
>   libavutil      52. 53.100 / 52. 53.100
>   libavcodec     55. 44.100 / 55. 44.100
>   libavformat    55. 21.100 / 55. 21.100
>   libavdevice    55.  5.100 / 55.  5.100
>   libavfilter     3. 91.100 /  3. 91.100
>   libswscale      2.  5.101 /  2.  5.101
>   libswresample   0. 17.104 /  0. 17.104
>   libpostproc    52.  3.100 / 52.  3.100
> Input #0, wav, from '.\COMP20T02_ffmpeg.WAV':
>   Metadata:
>     comment         : sSPEED=023.976-ND
>                     : sTAKE=02
>                     : sUBITS=$21111300
>                     : sSWVER=1.04.09
>                     : sSCENE=COMP20
>                     : sFILENAME=COMP20T02.WAV
>                     : sTAPE=131121
>                     : sCIRCLED=FALSE
>                     : sTRK1=MixL
>                     : sTRK2=MixR
>                     : sNOTE=
>                     :
>     date            : 2013-11-21
>     encoder         : Lavf55.21.100
>     encoded_by      : Sound Dev: Mix664 S#KA0513012001
>   Duration: 00:00:57.06, bitrate: 2304 kb/s
>     Stream #0:0: Audio: pcm_s24le ([1][0][0][0] / 0x0001), 48000 Hz,
> stereo, s32, 2304 kb/s
>
> PS D:\Projects\CMU Video\FFMPEG_Trim_test> ffprobe .\COMP2T02.WAV
> ffprobe version N-58338-gfb7d70c Copyright (c) 2007-2013 the FFmpeg
> developers
>   built on Nov 21 2013 20:11:19 with gcc 4.8.2 (GCC)
>   configuration: --disable-static --enable-shared --enable-gpl --enable-
> version3 --disable-w32threads --enable-avisynth
> --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls
> --enable-iconv --enable-libass --enable-libbluray --e
> nable-libcaca --enable-libfreetype --enable-libgsm --enable-libilbc
> --enable-libmodplug --enable-libmp3lame --enable-lib
> opencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-
> libopus --enable-librtmp --enable-libschroedinge
> r --enable-libsoxr --enable-libspeex --enable-libtheora --enable-
> libtwolame --enable-libvidstab --enable-libvo-aacenc --
> enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-
> libwavpack --enable-libx264 --enable-libxavs --enable-
> libxvid --enable-zlib
>   libavutil      52. 53.100 / 52. 53.100
>   libavcodec     55. 44.100 / 55. 44.100
>   libavformat    55. 21.100 / 55. 21.100
>   libavdevice    55.  5.100 / 55.  5.100
>   libavfilter     3. 91.100 /  3. 91.100
>   libswscale      2.  5.101 /  2.  5.101
>   libswresample   0. 17.104 /  0. 17.104
>   libpostproc    52.  3.100 / 52.  3.100
> Input #0, wav, from '.\COMP2T02.WAV':
>   Metadata:
>     comment         : sSPEED=023.976-ND
>                     : sTAKE=02
>                     : sUBITS=$00000000
>                     : sSWVER=1.04.09
>                     : sSCENE=COMP2
>                     : sFILENAME=COMP2T02.WAV
>                     : sTAPE=131121
>                     : sCIRCLED=FALSE
>                     : sTRK1=MixL
>                     : sTRK2=MixR
>                     : sTRK3=Boom
>                     : sTRK5=LAV2
>                     : sNOTE=ROOMTONE
>                     :
>     encoded_by      : Sound Dev: Mix664 S#KA0513012001
>     originator_reference: USSDVKA0513012001131121AaKs8  01
>     date            : 2013-11-21
>     creation_time   : 10:36:40
>     time_reference  : 47663617
>     coding_history  : A=PCM,F=48000,W=24,M=multi,R=48000,T=4 Ch
>                     :
>   Duration: 00:00:28.03, bitrate: 4609 kb/s
>     Stream #0:0: Audio: pcm_s24le ([1][0][0][0] / 0x0001), 48000 Hz, 4
> channels, s32, 4608 kb/s

New description:

 Timecode and Framerate metadata is not carried over when using -codec:a
 copy from one wav to another. This results in being unable to trim a file
 and keep the timecode metadata required for post-production.

 The metadata is listed in the output section of ffmpeg but not by ffprobe
 or Davinci Resolve. I have highlighted in bold the differing lines.

 Attached are samples of the input and output of the file.
 {{{
 PS D:\Projects\CMU Video\Sound> ffmpeg -i .\COMP20T02.WAV -codec:a copy
 .\COMP20T02_ffmpeg.WAV
 ffmpeg version N-58338-gfb7d70c Copyright (c) 2000-2013 the FFmpeg
 developers
   built on Nov 21 2013 20:11:19 with gcc 4.8.2 (GCC)
   configuration: --disable-static --enable-shared --enable-gpl --enable-
 version3 --disable-w32threads --enable-avisynth
 --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls
 --enable-iconv --enable-libass --enable-libbluray --e
 nable-libcaca --enable-libfreetype --enable-libgsm --enable-libilbc
 --enable-libmodplug --enable-libmp3lame --enable-lib
 opencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-
 libopus --enable-librtmp --enable-libschroedinge
 r --enable-libsoxr --enable-libspeex --enable-libtheora --enable-
 libtwolame --enable-libvidstab --enable-libvo-aacenc --
 enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-
 libwavpack --enable-libx264 --enable-libxavs --enable-
 libxvid --enable-zlib
   libavutil      52. 53.100 / 52. 53.100
   libavcodec     55. 44.100 / 55. 44.100
   libavformat    55. 21.100 / 55. 21.100
   libavdevice    55.  5.100 / 55.  5.100
   libavfilter     3. 91.100 /  3. 91.100
   libswscale      2.  5.101 /  2.  5.101
   libswresample   0. 17.104 /  0. 17.104
   libpostproc    52.  3.100 / 52.  3.100
 Guessed Channel Layout for  Input Stream #0.0 : stereo
 Input #0, wav, from '.\COMP20T02.WAV':
   Metadata:
     comment         : sSPEED=023.976-ND
                     : sTAKE=02
                     : sUBITS=$21111300
                     : sSWVER=1.04.09
                     : sSCENE=COMP20
                     : sFILENAME=COMP20T02.WAV
                     : sTAPE=131121
                     : sCIRCLED=FALSE
                     : sTRK1=MixL
                     : sTRK2=MixR
                     : sNOTE=
                     :
     encoded_by      : Sound Dev: Mix664 S#KA0513012001
     originator_reference: USSDVKA0513012001131121IR6sb  01
     date            : 2013-11-21
     creation_time   : 18:27:12
     time_reference  : 3015876865
     coding_history  : A=PCM,F=48000,W=24,M=stereo,R=48000,T=2Ch
                     :
   Duration: 00:00:57.06, bitrate: 2304 kb/s
     Stream #0:0: Audio: pcm_s24le ([1][0][0][0] / 0x0001), 48000 Hz,
 stereo, s32, 2304 kb/s
 Output #0, wav, to '.\COMP20T02_ffmpeg.WAV':
   Metadata:
     ICMT            : sSPEED=023.976-ND
                     : sTAKE=02
                     : sUBITS=$21111300
                     : sSWVER=1.04.09
                     : sSCENE=COMP20
                     : sFILENAME=COMP20T02.WAV
                     : sTAPE=131121
                     : sCIRCLED=FALSE
                     : sTRK1=MixL
                     : sTRK2=MixR
                     : sNOTE=
                     :
     ITCH            : Sound Dev: Mix664 S#KA0513012001
     originator_reference: USSDVKA0513012001131121IR6sb  01
     ICRD            : 2013-11-21
     coding_history  : A=PCM,F=48000,W=24,M=stereo,R=48000,T=2 Ch
                     :
     time_reference  : 3015876865
     ISFT            : Lavf55.21.100
     Stream #0:0: Audio: pcm_s24le ([1][0][0][0] / 0x0001), 48000 Hz,
 stereo, 2304 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
 Press [q] to stop, [?] for help
 size=   16048kB time=00:00:57.05 bitrate=2304.0kbits/s
 video:0kB audio:16047kB subtitle:0 global headers:0kB muxing overhead
 0.002057%
 PS D:\Projects\CMU Video\Sound> ffmpeg -i .\COMP20T02.WAV -t 10 -codec:a
 copy .\COMP20T02_ffmpeg_trim.WAV
 ffmpeg version N-58338-gfb7d70c Copyright (c) 2000-2013 the FFmpeg
 developers
   built on Nov 21 2013 20:11:19 with gcc 4.8.2 (GCC)
   configuration: --disable-static --enable-shared --enable-gpl --enable-
 version3 --disable-w32threads --enable-avisynth
 --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls
 --enable-iconv --enable-libass --enable-libbluray --e
 nable-libcaca --enable-libfreetype --enable-libgsm --enable-libilbc
 --enable-libmodplug --enable-libmp3lame --enable-lib
 opencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-
 libopus --enable-librtmp --enable-libschroedinge
 r --enable-libsoxr --enable-libspeex --enable-libtheora --enable-
 libtwolame --enable-libvidstab --enable-libvo-aacenc --
 enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-
 libwavpack --enable-libx264 --enable-libxavs --enable-
 libxvid --enable-zlib
   libavutil      52. 53.100 / 52. 53.100
   libavcodec     55. 44.100 / 55. 44.100
   libavformat    55. 21.100 / 55. 21.100
   libavdevice    55.  5.100 / 55.  5.100
   libavfilter     3. 91.100 /  3. 91.100
   libswscale      2.  5.101 /  2.  5.101
   libswresample   0. 17.104 /  0. 17.104
   libpostproc    52.  3.100 / 52.  3.100
 Guessed Channel Layout for  Input Stream #0.0 : stereo
 Input #0, wav, from '.\COMP20T02.WAV':
   Metadata:
     comment         : sSPEED=023.976-ND
                     : sTAKE=02
                     : sUBITS=$21111300
                     : sSWVER=1.04.09
                     : sSCENE=COMP20
                     : sFILENAME=COMP20T02.WAV
                     : sTAPE=131121
                     : sCIRCLED=FALSE
                     : sTRK1=MixL
                     : sTRK2=MixR
                     : sNOTE=
                     :
     encoded_by      : Sound Dev: Mix664 S#KA0513012001
     originator_reference: USSDVKA0513012001131121IR6sb  01
     date            : 2013-11-21
     creation_time   : 18:27:12
     time_reference  : 3015876865
     coding_history  : A=PCM,F=48000,W=24,M=stereo,R=48000,T=2 Ch
                     :
   Duration: 00:00:57.06, bitrate: 2304 kb/s
     Stream #0:0: Audio: pcm_s24le ([1][0][0][0] / 0x0001), 48000 Hz,
 stereo, s32, 2304 kb/s
 Output #0, wav, to '.\COMP20T02_ffmpeg_trim.WAV':
   Metadata:
     ICMT            : sSPEED=023.976-ND
                     : sTAKE=02
                     : sUBITS=$21111300
                     : sSWVER=1.04.09
                     : sSCENE=COMP20
                     : sFILENAME=COMP20T02.WAV
                     : sTAPE=131121
                     : sCIRCLED=FALSE
                     : sTRK1=MixL
                     : sTRK2=MixR
                     : sNOTE=
                     :
     ITCH            : Sound Dev: Mix664 S#KA0513012001
     originator_reference: USSDVKA0513012001131121IR6sb  01
     ICRD            : 2013-11-21
     coding_history  : A=PCM,F=48000,W=24,M=stereo,R=48000,T=2 Ch
                     :
     time_reference  : 3015876865
     ISFT            : Lavf55.21.100
     Stream #0:0: Audio: pcm_s24le ([1][0][0][0] / 0x0001), 48000 Hz,
 stereo, 2304 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
 Press [q] to stop, [?] for help
 size=    2814kB time=00:00:10.00 bitrate=2304.3kbits/s
 video:0kB audio:2813kB subtitle:0 global headers:0kB muxing overhead
 0.011733%


 PS D:\Projects\CMU Video\FFMPEG_Trim_test> ffprobe .\COMP20T02_ffmpeg.WAV
 ffprobe version N-58338-gfb7d70c Copyright (c) 2007-2013 the FFmpeg
 developers
   built on Nov 21 2013 20:11:19 with gcc 4.8.2 (GCC)
   configuration: --disable-static --enable-shared --enable-gpl --enable-
 version3 --disable-w32threads --enable-avisynth
 --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls
 --enable-iconv --enable-libass --enable-libbluray --e
 nable-libcaca --enable-libfreetype --enable-libgsm --enable-libilbc
 --enable-libmodplug --enable-libmp3lame --enable-lib
 opencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-
 libopus --enable-librtmp --enable-libschroedinge
 r --enable-libsoxr --enable-libspeex --enable-libtheora --enable-
 libtwolame --enable-libvidstab --enable-libvo-aacenc --
 enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-
 libwavpack --enable-libx264 --enable-libxavs --enable-
 libxvid --enable-zlib
   libavutil      52. 53.100 / 52. 53.100
   libavcodec     55. 44.100 / 55. 44.100
   libavformat    55. 21.100 / 55. 21.100
   libavdevice    55.  5.100 / 55.  5.100
   libavfilter     3. 91.100 /  3. 91.100
   libswscale      2.  5.101 /  2.  5.101
   libswresample   0. 17.104 /  0. 17.104
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, wav, from '.\COMP20T02_ffmpeg.WAV':
   Metadata:
     comment         : sSPEED=023.976-ND
                     : sTAKE=02
                     : sUBITS=$21111300
                     : sSWVER=1.04.09
                     : sSCENE=COMP20
                     : sFILENAME=COMP20T02.WAV
                     : sTAPE=131121
                     : sCIRCLED=FALSE
                     : sTRK1=MixL
                     : sTRK2=MixR
                     : sNOTE=
                     :
     date            : 2013-11-21
     encoder         : Lavf55.21.100
     encoded_by      : Sound Dev: Mix664 S#KA0513012001
   Duration: 00:00:57.06, bitrate: 2304 kb/s
     Stream #0:0: Audio: pcm_s24le ([1][0][0][0] / 0x0001), 48000 Hz,
 stereo, s32, 2304 kb/s

 PS D:\Projects\CMU Video\FFMPEG_Trim_test> ffprobe .\COMP2T02.WAV
 ffprobe version N-58338-gfb7d70c Copyright (c) 2007-2013 the FFmpeg
 developers
   built on Nov 21 2013 20:11:19 with gcc 4.8.2 (GCC)
   configuration: --disable-static --enable-shared --enable-gpl --enable-
 version3 --disable-w32threads --enable-avisynth
 --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls
 --enable-iconv --enable-libass --enable-libbluray --e
 nable-libcaca --enable-libfreetype --enable-libgsm --enable-libilbc
 --enable-libmodplug --enable-libmp3lame --enable-lib
 opencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-
 libopus --enable-librtmp --enable-libschroedinge
 r --enable-libsoxr --enable-libspeex --enable-libtheora --enable-
 libtwolame --enable-libvidstab --enable-libvo-aacenc --
 enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-
 libwavpack --enable-libx264 --enable-libxavs --enable-
 libxvid --enable-zlib
   libavutil      52. 53.100 / 52. 53.100
   libavcodec     55. 44.100 / 55. 44.100
   libavformat    55. 21.100 / 55. 21.100
   libavdevice    55.  5.100 / 55.  5.100
   libavfilter     3. 91.100 /  3. 91.100
   libswscale      2.  5.101 /  2.  5.101
   libswresample   0. 17.104 /  0. 17.104
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, wav, from '.\COMP2T02.WAV':
   Metadata:
     comment         : sSPEED=023.976-ND
                     : sTAKE=02
                     : sUBITS=$00000000
                     : sSWVER=1.04.09
                     : sSCENE=COMP2
                     : sFILENAME=COMP2T02.WAV
                     : sTAPE=131121
                     : sCIRCLED=FALSE
                     : sTRK1=MixL
                     : sTRK2=MixR
                     : sTRK3=Boom
                     : sTRK5=LAV2
                     : sNOTE=ROOMTONE
                     :
     encoded_by      : Sound Dev: Mix664 S#KA0513012001
     originator_reference: USSDVKA0513012001131121AaKs8  01
     date            : 2013-11-21
     creation_time   : 10:36:40
     time_reference  : 47663617
     coding_history  : A=PCM,F=48000,W=24,M=multi,R=48000,T=4 Ch
                     :
   Duration: 00:00:28.03, bitrate: 4609 kb/s
     Stream #0:0: Audio: pcm_s24le ([1][0][0][0] / 0x0001), 48000 Hz, 4
 channels, s32, 4608 kb/s
 }}}

--

Comment:

 > [18:46] <rexbron> what is the ffmpeg ftp server for samples?

 Where did you search for an answer? How did you find out about this bug
 tracker?

 Is the problem not reproducible with 1MB wav files?

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/3163#comment:2>
FFmpeg <http://ffmpeg.org>
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