2009/6/19, Stefano Sabatini <[email protected]>: > > On date Wednesday 2009-06-17 17:14:54 +0200, Nicolas Krieger encoded: > > > Hi, > > > > I need some help about audio grabbing. > > > > I would like to know what doess ffmpeg uses to grab audio. Does it uses > oss > > or alsa ? > > > FFmpeg/libavdevice can grab from ALSA, OSS or jack. > > As an example of the latter: > ffmpeg -f jack -i JACK_READABLE_CLIENT_ID jackout.wav > > The same can be done programmatically using the libavdevice API. > > > > What I do is to open /dev/dsp with oss format (av_find_input_format). So, > I > > think that I'm using oss. > > > > How to do to use alsa ? > > > I think you need to explicitely specify the demuxer, alsa in this > case, I'm not sure FFmpeg is smart enough to figure it out by itself > from the name of the device. > > HTH, regards.
Yes, that's it, I would like to use alsa programmatically, but I haven't found how to do. But I am not recording from an usb sound card, I just want to record from the "default" sound card. Thanks for the answers Nicolas Krieger _______________________________________________ libav-user mailing list [email protected] https://lists.mplayerhq.hu/mailman/listinfo/libav-user
