[FFmpeg-trac] #2244(avformat:closed): ffmpeg creates invalid odd-byte length wav files

FFmpeg trac at avcodec.org
Sat Feb 9 01:37:38 CET 2013


#2244: ffmpeg creates invalid odd-byte length wav files
------------------------------------+------------------------------------
             Reporter:  dericed     |                    Owner:
                 Type:  defect      |                   Status:  closed
             Priority:  normal      |                Component:  avformat
              Version:  git-master  |               Resolution:  fixed
             Keywords:  wav         |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
------------------------------------+------------------------------------

Comment (by cehoyos):

 Interestingly, FFmpeg (still) claims that the original file is invalid:
 {{{
 $ ffmpeg -i oddbytedatalength.wav -f null -
 ffmpeg version N-49708-ga92816c Copyright (c) 2000-2013 the FFmpeg
 developers
   built on Feb  9 2013 01:34:27 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl --disable-indev=jack
   libavutil      52. 17.101 / 52. 17.101
   libavcodec     54. 91.102 / 54. 91.102
   libavformat    54. 61.104 / 54. 61.104
   libavdevice    54.  3.103 / 54.  3.103
   libavfilter     3. 35.101 /  3. 35.101
   libswscale      2.  2.100 /  2.  2.100
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  2.100 / 52.  2.100
 Input #0, wav, from 'oddbytedatalength.wav':
   Metadata:
     encoder         : Lavf54.61.104
   Duration: 00:00:01.00, bitrate: 1153 kb/s
     Stream #0:0: Audio: pcm_s24le ([1][0][0][0] / 0x0001), 48000 Hz, mono,
 s32, 1152 kb/s
 Output #0, null, to 'pipe:':
   Metadata:
     encoder         : Lavf54.61.104
     Stream #0:0: Audio: pcm_s16le, 48000 Hz, mono, s16, 768 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (pcm_s24le -> pcm_s16le)
 Press [q] to stop, [?] for help
 Multiple frames in a packet from stream 0
 [pcm_s24le @ 0x2c713e0] Invalid PCM packet, data has size 2 but at least a
 size of 3 was expected
 Error while decoding stream #0:0: Invalid data found when processing input
 size=N/A time=00:00:01.00 bitrate=N/A
 video:0kB audio:94kB subtitle:0 global headers:0kB muxing overhead
 -100.022856%
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2244#comment:2>
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