[MPlayer-dev-eng] Adding new codec to codecs.conf

[Mark Sugrue]

Hi All,

I'm looking for some advice on adding a new codec to mplayer. The codec is
for CCTV video (*.asf) and made by Quadrox Codec Pack WebCCTV (link -
http://www.webcctv.com/ftp/SoftwareTools/CodecsPack/QuadroxCodecsPackSetup-4.3.0.0.exe
)

The installer has two Dlls and I believe the OPJpegProc.dll is the one I
need. fourcc is JR24 (this codec is some type of mjpeg, but ffmpeg doesn't
play the files).

I followed the instructions here (
http://www.mplayerhq.hu/DOCS/tech/win32-codec-howto.txt) and here (
http://www.mplayerhq.hu/DOCS/tech/codecs.conf.txt)

Using GraphEdit, I got this data:

[image: Inline image 1]

I have added this to codecs.conf, but mplayer doesn't play the video so I
must have made an error:

videocodec qwtjr24
  info "Quadrox Jr24"
  status working
  driver DMO
  dll "OPJpegProc.dll"
  fourcc JR24
  guid 0x4A69B442, 0x28BE, 0x4991, 0x969C, 0xB500ADF5D8A8
  ;guid 9004f687-fefc-4f8f-b23a-ddd3748082e7
  out RGB24

The parts I am unsure about are:

 - Am I picking the right Guid from graphedit?
 - how to format the guid in the correct way for codecs.conf
 - What goes in 'out'?
 - Whether some extra steps are needed for DMO codecs (these seem unusual).

Thanks in advance for any help and advice.

Mark

-- 
Dr Mark Sugrue
Chief Technology Officer

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