[vlc-devel] V4L2 & ALSA
richard at hovis.net
Wed Aug 29 17:43:38 CEST 2007
Ok, I knew I would answer my own question just after
I have added:-
VLC_ADD_LDFLAGS([v4l2],[-lasound -lm -ldl])
near the end of the v4l2 section in the configure.ac
file and all seems to be well.
I'm not sure if this should have some additional
checking around it (ie if ALSA support is present).
Richard Hosking wrote:
> 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:
> 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!
> Richard (hovis)
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