[FFmpeg-trac] #125(avcodec:new): Garbled audio on some files after commit 05815b3545c2f8718ab25f455d51ea88be43e9c5

[FFmpeg]

#125: Garbled audio on some files after commit
05815b3545c2f8718ab25f455d51ea88be43e9c5
---------------------+---------------------
 Reporter:  kyl416   |        Type:  defect
   Status:  new      |    Priority:  normal
Component:  avcodec  |     Version:  git
 Keywords:           |  Blocked By:
 Blocking:           |  Reproduced:  0
 Analyzed:  0        |
---------------------+---------------------
 After commit 05815b3545c2f8718ab25f455d51ea88be43e9c5 the audio on some
 windows media files sounds garbled. Going back to the previous commit the
 audio works fine.

 The output with the working the last working commit:
 ffplay mmsh://hidden
 ffplay version git-N-29374-g7157334, Copyright (c) 2003-2011 the FFmpeg
 developers
   built on Apr 25 2011 23:45:39 with gcc 4.5.2
   configuration: --prefix=/usr --enable-gpl --enable-version3 --enable-
 nonfree --enable-shared --enable-postproc --enable-libx264 --enable-frei0r
 --enable-librtmp --enable-libopencore-amrnb --enable-libopencore-amrwb
 --enable-libdc1394 --enable-libmp3lame --enable-libtheora --enable-
 libopenjpeg --enable-libdirac --enable-libvpx --enable-libgsm --enable-
 libschroedinger --enable-libspeex --enable-libvorbis --enable-libxvid
 --enable-libfaac --cpu=amdfam10 --arch=x86_64 --enable-x11grab --enable-
 libxavs --enable-libnut --enable-libfreetype --enable-libvo-aacenc
 --enable-libvo-amrwbenc
   libavutil    51.  0. 0 / 51.  0. 0
   libavcodec   53.  1. 0 / 53.  1. 0
   libavformat  53.  0. 3 / 53.  0. 3
   libavdevice  53.  0. 0 / 53.  0. 0
   libavfilter   2.  0. 0 /  2.  0. 0
   libswscale    0. 13. 0 /  0. 13. 0
   libpostproc  51.  2. 0 / 51.  2. 0
 [wmv3 @ 0xb50330] Extra data: 8 bits left, value: 0
 [asf @ 0xb4d0c0] Estimating duration from bitrate, this may be inaccurate
 Input #0, asf, from 'mmsh://hidden':
   Metadata:
     WMFSDKVersion   : 11.0.5721.5145
     WMFSDKNeeded    : 0.0.0.0000
     IsVBR           : 0
   Duration: N/A, start: 517572.774000, bitrate: 1064 kb/s
     Stream #0.0(eng): Audio: wmav2, 48000 Hz, 2 channels, s16, 64 kb/s
     Stream #0.1(eng): Video: wmv3 (Main), yuv420p, 720x406, 1000 kb/s, 25
 tbr, 1k tbn, 1k tbc
 [wmv3 @ 0xb50330] Extra data: 8 bits left, value: 0

 The output with the latest git that experiences this problem:
 $ ffplay mmsh://hidden
 ffplay version git-N-29397-g075933a, Copyright (c) 2003-2011 the FFmpeg
 developers
   built on Apr 26 2011 18:39:10 with gcc 4.5.2
   configuration: --prefix=/usr --enable-gpl --enable-version3 --enable-
 nonfree --enable-shared --enable-postproc --enable-libx264 --enable-frei0r
 --enable-librtmp --enable-libopencore-amrnb --enable-libopencore-amrwb
 --enable-libdc1394 --enable-libmp3lame --enable-libtheora --enable-
 libopenjpeg --enable-libdirac --enable-libvpx --enable-libgsm --enable-
 libschroedinger --enable-libspeex --enable-libvorbis --enable-libxvid
 --enable-libfaac --cpu=amdfam10 --arch=x86_64 --enable-x11grab --enable-
 libxavs --enable-libnut --enable-libfreetype --enable-libvo-aacenc
 --enable-libvo-amrwbenc
   libavutil    51.  0. 0 / 51.  0. 0
   libavcodec   53.  1. 0 / 53.  1. 0
   libavformat  53.  0. 3 / 53.  0. 3
   libavdevice  53.  0. 0 / 53.  0. 0
   libavfilter   2.  0. 0 /  2.  0. 0
   libswscale    0. 13. 0 /  0. 13. 0
   libpostproc  51.  2. 0 / 51.  2. 0
 [wmav2 @ 0x16539e0] Disabling use_variable_block_len, if this fails
 contact the ffmpeg developers and send us the file
 [wmv3 @ 0x1654330] Extra data: 8 bits left, value: 0
 [asf @ 0x16510c0] Estimating duration from bitrate, this may be inaccurate
 Input #0, asf, from 'mmsh://hidden':
   Metadata:
     WMFSDKVersion   : 11.0.5721.5145
     WMFSDKNeeded    : 0.0.0.0000
     IsVBR           : 0
   Duration: N/A, start: 517835.374000, bitrate: 1064 kb/s
     Stream #0.0(eng): Audio: wmav2, 48000 Hz, 2 channels, s16, 64 kb/s
     Stream #0.1(eng): Video: wmv3 (Main), yuv420p, 720x406, 1000 kb/s, 25
 tbr, 1k tbn, 1k tbc
 [wmav2 @ 0x16539e0] Disabling use_variable_block_len, if this fails
 contact the ffmpeg developers and send us the file
 [wmv3 @ 0x1654330] Extra data: 8 bits left, value: 0

 Attatched is a sample 10 second grab of this stream as a sample..

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/125>
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