Question about sound source / sound playback

Mikael Magnusson mikma264 at gmail.com
Mon Jun 5 22:29:35 CEST 2006


Werner Dittmann wrote:
> Mikael, all,
> 
> just a few days ago the sound stuff was modified (the ALSA?) to
> separate sound source and sound playback. Previously this
> was one device. In my config file I use
> 
> alsa:hw:0
> 

The device names haven't changed, except FileDevice, but now you can use 
different input and output devices.

If you use the FileDevice you will have to change 
file:input_file.raw,output_file.raw to file:input_file.raw and 
file:output_file.raw respectively.

> as the sound device (and it works). What are the new names for
> the source/playback devices? It would help if we had a complete
> list of sound, video devices, their prefixes etc.
> 
> TIA.
> 
> Regards,
> Werner

I have made a list of the device prefixes below. If you use the 
PortAudio driver it will build a list of all available input and output 
devices in the settings dialog. It could also be implemented in other 
sound drivers, but I don't think it's necessary since PortAudio supports 
all platforms supported by minisip.

Mikael


Audio devices
=============

Name         prefix
----         ------
OSS          none
Alsa         alsa:
DirectSound  dsound:
File         file:
PortAudio    pa:

Video grabbers
=============

Name         prefix
----         ------
Video4Linux  none
DC1394       fw:


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