[FFmpeg-trac] #691(avcodec:open): Errors while decoding wmav2 stream (was: Errors while decoding stream)

[FFmpeg]

#691: Errors while decoding wmav2 stream
------------------------------------+-----------------------------------
             Reporter:  dimon94     |                    Owner:
                 Type:  defect      |                   Status:  open
             Priority:  normal      |                Component:  avcodec
              Version:  git-master  |               Resolution:
             Keywords:  wmav2       |               Blocked By:
             Blocking:              |  Reproduced by developer:  1
Analyzed by developer:  0           |
------------------------------------+-----------------------------------
Changes (by cehoyos):

 * keywords:   => wmav2
 * version:  0.8.7 => git-master
 * component:  undetermined => avcodec
 * reproduced:  0 => 1


Comment:

 There is silence for 0.05 seconds after ~26 seconds ("overflow in spectral
 RLE, ignoring"), no silence with the binary decoder.
 I did not test for later problems.
 {{{
 $ ffmpeg -i ticket691_cut.wma -ss 25 -t 2 out.wav
 ffmpeg version N-35267-g4b03d96, Copyright (c) 2000-2011 the FFmpeg
 developers
   built on Nov 29 2011 01:34:11 with gcc 4.5.3
   configuration: --cc=/usr/local/gcc-4.5.3/bin/gcc --enable-libopenjpeg
   libavutil    51. 29. 1 / 51. 29. 1
   libavcodec   53. 39. 1 / 53. 39. 1
   libavformat  53. 22. 0 / 53. 22. 0
   libavdevice  53.  4. 0 / 53.  4. 0
   libavfilter   2. 50. 0 /  2. 50. 0
   libswscale    2.  1. 0 /  2.  1. 0
 [asf @ 0x139d7a0] parser not found for codec wmav2, packets or times may
 be invalid.
 Input #0, asf, from 'ticket691_cut.wma':
   Metadata:
     title           : 20.Время России
     artist          : Многоточие
     genre           : Pop,
     album           : Атомы Сознания
     track           : 20
   Duration: 00:03:28.65, start: 0.000000, bitrate: 98 kb/s
     Stream #0:0: Audio: wmav2 (a[1][0][0] / 0x0161), 44100 Hz, 2 channels,
 s16, 160 kb/s
 Output #0, wav, to 'out.wav':
   Metadata:
     title           : 20.Время России
     artist          : Многоточие
     genre           : Pop,
     album           : Атомы Сознания
     track           : 20
     encoder         : Lavf53.22.0
     Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, 2
 channels, s16, 1411 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (wmav2 -> pcm_s16le)
 Press [q] to stop, [?] for help
 [wmav2 @ 0x13a42a0] overflow in spectral RLE, ignoring
 size=     352kB time=00:00:02.04 bitrate=1411.4kbits/s
 video:0kB audio:352kB global headers:0kB muxing overhead 0.012762%
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/691#comment:5>
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