[vlc-devel] Re: Questions about plug-in DLL file and H.264 codec

[Juan Carlos Montes]

Hi Jie,

  I think that you can´t use static libs (compiled
DLL) with cygwin but perhaps you could use dynamic
loading (LoadLibrary-GetProcAddr functions) in order
to use MS-VC libs into CygWin. 

  I have similar problems. If you find a sollution,
please, send me an email.

  Regards.

    Juan Carlos

 --- Jie CHEN <jie.chen at sjtu.edu.cn> escribió:

> hi,
> I just subscribe this mailing list to know more
> about developing VLC.
> 
> I have a device with USB connection which can send
> TS stream to PC. I have
> its API function declarations and several DLL files,
> probably written and
> compiled under MS Visual C++.
> Is it possible to write an input module for VLC to
> read the stream from this
> device directly, using those existing DLL files in
> Windows?
> I don't know well the Cygwin environment and its
> capabilities, especially
> about DLLs under Cygwin. I only find the plug-ins of
> VLC player are compiled
> in DLL form by Cygwin, and wonder if they are
> compatible with those DLLs
> made by MS-VC++. Anyone can tell me how to compile
> using DLL under Cygwin?
> 
> Besides, dionoea told me in the forum that VLC can
> now encode H.264 video
> with X264 and decode with ffmpeg. But I can't see
> motion pictures when
> playing a .264 file with VLC (this file is encoded
> from a YUV file by X264
> encoder and can be decoded successfully by JM and
> then played by a YUV
> player). Neither can I transcode .wmv or .avi clips
> to H264 format with VLC
> player v.0.8.2 (No error claimed during the
> execution of the program, but it
> simply doesn't create a new file). Bugs?
> I look up the feature page on
> http://www.videolan.org and find H.264 support
> is "experimental".
> I try to compile the ffmpeg-20041113 download from
> http://developer.videolan.org under Cygwin but
> failed. I guess it is because
> its config file is for MSYS. How can I compile it
> under Cygwin? (...and it
> would be perfect if MS-VC++ could do it...)
> 
> 
> Annex: ffmpeg-20041113 \ config.log:
> ********************************
> Sat Nov 13 12:44:42 CET 2004
> ./configure \
> --enable-mingw32 \
> --enable-memalign-hack \
> --extra-cflags=-I/usr/win32/include \
> --extra-ldflags=-L/usr/win32/lib \
> --cross-prefix=i586-mingw32msvc- \
> --enable-faac \
> --enable-mp3lame \
> --enable-pp \
> --enable-gpl
> *********************************
> 
> -- 
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> 
> 


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