Thank for your reply
I think the router can recognize my usb soundcard
Because I could play music like this below
Code:
mpg123 -r 48000 -b 1024 -@ http://cast.ptt.cc:8000/yes.m3u
But I am not sure the usb soundcard line-in work.
And I don't know how to test line-in
Is there any other way to use open SIP library to transfer audio?
I have an idea by using palantir or icecast to transfer audio ,but it not sucess yet
BTW
I use palantir to transfer video and audio with Logitech QuickCam 4000 pro ,it work
Code:
dmesg
usbaudio: device 2 audiocontrol interface 0 has 1 input and 1 output AudioStreaming interfaces
usbaudio: device 2 interface 2 altsetting 1 channels 1 framesize 2 configured
usbaudio: valid input sample rate 24000
usbaudio: device 2 interface 2 altsetting 1: format 0x00000010 sratelo 24000 sratehi 24000 attributes 0x00
usbaudio: device 2 interface 1 altsetting 0 does not have an endpoint
usbaudio: device 2 interface 1 altsetting 1 channels 2 framesize 2 configured
usbaudio: valid output sample rate 48000
usbaudio: device 2 interface 1 altsetting 1: format 0x01000010 sratelo 48000 sratehi 48000 attributes 0x00
usbaudio: registered dsp 14,3
usbaudio: constructing mixer for Terminal 3 type 0x0301
usbaudio: registered mixer 14,0
usbaudio: constructing mixer for Terminal 6 type 0x0101
usbaudio: registered mixer 14,16
usb_audio_parsecontrol: usb_audio_state at 818fa780