[FFmpeg-trac] #202(undetermined:new): QT with audio: 32bit INTEGER, Little Endian decodes incorrectly

FFmpeg trac at avcodec.org
Sun May 15 18:56:55 CEST 2011


#202: QT with audio: 32bit INTEGER, Little Endian decodes incorrectly
--------------------------+--------------------------
 Reporter:  ami_stuff     |        Type:  defect
   Status:  new           |    Priority:  normal
Component:  undetermined  |     Version:  unspecified
 Keywords:                |  Blocked By:
 Blocking:                |  Reproduced:  0
 Analyzed:  0             |
--------------------------+--------------------------
 32bit_INTEGER_Little_Endian.mov

 mono, 16bit, 22kHz

 plays correctly with QT player

 works fine with:

 ffmpeg -acodec pcm_s32le -i C:\32bit_FLOAT_Little_Endian.mov out.wav

 {{{
 C:\>ffmpeg -i C:\32bit_INTEGER_Little_Endian.mov
 ffmpeg version git-N-29815-gde545d2, Copyright (c) 2000-2011 the FFmpeg
 develope
 rs
   built on May 11 2011 14:36:19 with gcc 4.5.3
   configuration: --enable-gpl --enable-version3 --enable-memalign-hack
 --enable-
 runtime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r
 --enable-libo
 pencore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-
 libgsm --
 enable-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-
 libschroedinger
  --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libvpx
 --enabl
 e-libx264 --enable-libxavs --enable-libxvid --enable-zlib --pkg-config
 =pkg-confi
 g
   libavutil    51.  2. 1 / 51.  2. 1
   libavcodec   53.  5. 0 / 53.  5. 0
   libavformat  53.  0. 3 / 53.  0. 3
   libavdevice  53.  0. 0 / 53.  0. 0
   libavfilter   2.  5. 0 /  2.  5. 0
   libswscale    0. 14. 0 /  0. 14. 0

 Seems stream 1 codec frame rate differs from container frame rate: 600.00
 (600/1
 ) -> 23.98 (24000/1001)
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from
 'C:\32bit_INTEGER_Little_Endian.mov':
   Metadata:
     creation_time   : 2011-05-15 18:12:09
   Duration: 00:00:05.95, start: 0.000000, bitrate: 1357 kb/s
     Stream #0.0(eng): Audio: pcm_s32be, 22050 Hz, 1 channels, s32, 705
 kb/s
     Metadata:
       creation_time   : 2011-05-15 18:12:09
     Stream #0.1(eng): Video: tiff, monob, 192x128, 649 kb/s, 24 fps, 23.98
 tbr,
 600 tbn, 600 tbc
     Metadata:
       creation_time   : 2011-05-15 18:12:09
 At least one output file must be specified
 }}}

 I can upload big endian file if there is a need (to see hex-diff between
 big and little endian files)

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/202>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker


More information about the FFmpeg-trac mailing list