[FFmpeg-trac] #1747(avformat:open): dts in wav not auto-detected

FFmpeg trac at avcodec.org
Tue Sep 18 13:11:28 CEST 2012


#1747: dts in wav not auto-detected
------------------------------------+------------------------------------
             Reporter:  cehoyos     |                    Owner:
                 Type:  defect      |                   Status:  open
             Priority:  normal      |                Component:  avformat
              Version:  git-master  |               Resolution:
             Keywords:  wav dts     |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
------------------------------------+------------------------------------
Changes (by cehoyos):

 * status:  new => open


Old description:

> (Reported many times, sample is from issue 2663)
>
> dts in avi is not auto-detected, FFmpeg claims it is pcm_s16le
> {{{
> $ ffmpeg -i Cuted_pcm_s16le.wav
> ffmpeg version N-44552-g4aade44 Copyright (c) 2000-2012 the FFmpeg
> developers
>   built on Sep 18 2012 11:05:34 with gcc 4.5.3 (GCC)
>   configuration: --cc=/usr/local/gcc-4.5.3/bin/gcc --enable-gpl --enable-
> libmp3lame
>   libavutil      51. 73.101 / 51. 73.101
>   libavcodec     54. 56.100 / 54. 56.100
>   libavformat    54. 27.101 / 54. 27.101
>   libavdevice    54.  2.100 / 54.  2.100
>   libavfilter     3. 16.104 /  3. 16.104
>   libswscale      2.  1.101 /  2.  1.101
>   libswresample   0. 15.100 /  0. 15.100
>   libpostproc    52.  0.100 / 52.  0.100
> [wav @ 0x14f1240] max_analyze_duration 5000000 reached at 5015510
> Guessed Channel Layout for  Input Stream #0.0 : stereo
> Input #0, wav, from 'Cuted_pcm_s16le.wav':
>   Duration: 00:02:13.28, bitrate: 614 kb/s
>     Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz,
> stereo, s16, 1411 kb/s
> At least one output file must be specified
> }}}
> Work-around is to set the audio-codec:
> $ ffmpeg -acodec dts -i Cuted_pcm_s16le.wav

New description:

 (Reported many times, sample is from issue 2663)

 dts in avi is not auto-detected, FFmpeg claims it is pcm_s16le
 {{{
 $ ffmpeg -i dts.wav
 ffmpeg version N-44552-g4aade44 Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Sep 18 2012 11:05:34 with gcc 4.5.3 (GCC)
   configuration: --cc=/usr/local/gcc-4.5.3/bin/gcc --enable-gpl --enable-
 libmp3lame
   libavutil      51. 73.101 / 51. 73.101
   libavcodec     54. 56.100 / 54. 56.100
   libavformat    54. 27.101 / 54. 27.101
   libavdevice    54.  2.100 / 54.  2.100
   libavfilter     3. 16.104 /  3. 16.104
   libswscale      2.  1.101 /  2.  1.101
   libswresample   0. 15.100 /  0. 15.100
   libpostproc    52.  0.100 / 52.  0.100
 [wav @ 0x14f1240] max_analyze_duration 5000000 reached at 5015510
 Guessed Channel Layout for  Input Stream #0.0 : stereo
 Input #0, wav, from 'dts.wav':
   Duration: 00:02:13.28, bitrate: 153 kb/s
     Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz,
 stereo, s16, 1411 kb/s
 At least one output file must be specified
 }}}
 Work-around is to set the audio-codec:
 $ ffmpeg -acodec dts -i Cuted_pcm_s16le.wav

--

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1747#comment:1>
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