[vlc-devel] V4L2 & ALSA

Richard Hosking richard at hovis.net
Fri Aug 31 12:09:41 CEST 2007

Hopefully by mid-late September I will be happy
with it and will submit the (large ish) patch


Nikos Antonopoulos wrote:
> Hi there, this is really cool news...
> will this be in svn anytime soon?
> many thanx!
> Nik
> I am currently in the process of finishing the V4L2
> (Video 4 Linux 2) driver in VLC on Linux.
> I am doing this as I have a capture card which only
> supports the newer V4L2 spec... hence me completing
> the work.  The video capture side of things is complete.
> For audio, as well as legacy OSS support I need to
> implement ALSA input capture support.  I see VLC uses
> ALSA code elsewhere (ie for audio output).
> My test ALSA code in the v4l2.c file builds correctly, but
> VLC moans at startup....
>  cannot load module `modules/access/.libs/libv4l2_plugin.so'
>  (modules/access/.libs/libv4l2_plugin.so: undefined symbol:
>  snd_pcm_close)
> what do I need to do to my build so the library knows
> about the ALSA stuff?  My knowledge of the make system in
> VLC is non existent!
> Cheers,
> Richard (hovis)
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