[MPlayer-users] Porting Win32 Cineform codec in mplayer...

[Dominik 'Rathann' Mierzejewski]

On Tuesday, 29 May 2007 at 15:01, George Dsilva wrote:
> Hi,
>  
>  I want to port Cineform Codec (which is DirectShow compatible)  to our mplayer.
>  The steps followed to do this were as follows:
>  
>  1. Made a entry in "etc/codecs.conf"
>  videocodec cineform
>    info "cineform codec"
>    status working
>    fourcc CFHD,cfhd
>    driver dshow
>    dll "CFDecode2.ax"
>    guid 0xAD83011E, 0x01d1, 0x4623, 0x91, 0xfd, 0x6b, 0x75, 0xf1, 0x83, 0xc5, 0xa9
>    out YUY2
>  
>  
>  2. Copied the "CFDecode2.ax" file in "/usr/local/lib/codecs" (win32 codecs directory on my machine)
>  
>  3. configured and compiled mplayer using configure and make tool respectively.

Good.

>  After this, if I play a movie with Cineform codec, mplayer crashes. The following log file was generated...
>  
>  
>  # mplayer cineform-orig.avi
>  MPlayer 1.0rc1-3.3.3 (C) 2000-2006 MPlayer Team
[...]
>  VIDEO:  [CFHD]  2048x856  31bpp  24.000 fps  77605.8 kbps (9473.4 kbyte/s)
>  ==========================================================================
>  Opening video decoder: [dshow] DirectShow video codecs
>  Called unk_GetModuleBaseNameA
>  Called unk__splitpath
>  Called unk__mbsupr
>  Called unk__mbscmp
>  Called unk__mbscmp
>  Called unk__mbscmp
>  Called unk__mbscmp
>  
>  
>  MPlayer interrupted by signal 11 in module: init_video_codec
>  - MPlayer crashed by bad usage of CPU/FPU/RAM.
>    Recompile MPlayer with --enable-debug and make a 'gdb' backtrace and
>    disassembly. Details in DOCS/HTML/en/bugreports_what.html#bugreports_crash.
>  - MPlayer crashed. This shouldn't happen.
>    It can be a bug in the MPlayer code _or_ in your drivers _or_ in your
>    gcc version. If you think it's MPlayer's fault, please read
>    DOCS/HTML/en/bugreports.html and follow the instructions there. We can't and
>    won't help unless you provide this information when reporting a possible bug.
>  
>  
>  
>  
>  Can someone please guide me if I am missing any steps.

You need to provide the implementations of those unknown functions the codec
is calling. See the loader/ directory.

Regards,
R.

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