[FFmpeg-trac] #104(undetermined:new): add support for Brodway MPEG codec (BW10)

[FFmpeg]

#104: add support for Brodway MPEG codec (BW10)
--------------------------+--------------------------
 Reporter:  ami_stuff     |        Type:  enhancement
   Status:  new           |    Priority:  normal
Component:  undetermined  |     Version:  unspecified
 Keywords:                |  Blocked By:
 Blocking:                |  Reproduced:  0
 Analyzed:  0             |
--------------------------+--------------------------
 http://samples.multimedia.cx/V-codecs/BW10/cartonfold.avi

 http://xanim.polter.net/files/xanim2801.tar.gz

 seems to be supported by xanim:

 {{{
 xa_mpg.c:
   /* Check for Broadway MPEG encoding(BW10)
    * Skip 12 bytes and then expect GOP
    */
   if (extra & 0x01)
   { MPG_FLUSH_BBITS(32);
     MPG_FLUSH_BBITS(32);
     MPG_FLUSH_BBITS(32);
     qtab = xmpg_def_intra_qtab;
   }
   else if (extra & 0x02)  /* XING Editable MPEG */
   {
     qtab = xmpg_def_intra_qtab;
   }

   vert_pos = -1;
 }}}

 {{{
 C:\>ffmpeg -i C:\cartonfold.avi
 FFmpeg version git-N-29181-ga304071, Copyright (c) 2000-2011 the FFmpeg
 develope
 rs
   built on Apr 18 2011 21:24:03 with gcc 4.5.2
   configuration: --enable-gpl --enable-version3 --enable-runtime-cpudetect
 --ena
 ble-memalign-hack --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 --cross-
 prefix=i686-w6
 4-mingw32- --target-os=mingw32 --arch=x86_32 --extra-
 cflags=-I/home/kyle/softwar
 e/ffmpeg/external-libraries/win32/include --extra-
 ldflags=-L/home/kyle/software/
 ffmpeg/external-libraries/win32/lib --pkg-config=pkg-config
   libavutil    50. 40. 1 / 50. 40. 1
   libavcodec   52.120. 0 / 52.120. 0
   libavformat  52.108. 0 / 52.108. 0
   libavdevice  52.  4. 0 / 52.  4. 0
   libavfilter   1. 79. 0 /  1. 79. 0
   libswscale    0. 13. 0 /  0. 13. 0
 [avi @ 01CEC000] max_analyze_duration reached
 Input #0, avi, from 'C:\cartonfold.avi':
   Metadata:
     creation_time   : 2003-06-14 1:06:14
   Duration: 00:02:20.44, start: 0.000000, bitrate: 292 kb/s
     Stream #0.0: Video: BW10 / 0x30315742, 352x288, 25 fps, 25 tbr, 25
 tbn, 25 t
 bc
     Stream #0.1: Audio: pcm_s16le, 44100 Hz, 2 channels, s16, 1411 kb/s
 At least one output file must be specified
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/104>
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