Hi Herbert, Try disabling AEC and see if the "cc 0 0" test works better. AEC may be consuming all the CPU? Bill On 5/14/2014 12:50 AM, Herbert Falter wrote: > Hi, > > I have a Raspberry PI with Raspbian and a USB-Sound-Device. > > **** Liste der Hardware-Ger?te (PLAYBACK) **** > Karte 0: Device [USB PnP Sound Device], Ger?t 0: USB Audio [USB Audio] > Sub-Ger?te: 1/1 > Sub-Ger?t #0: subdevice #0 > Karte 1: ALSA [bcm2835 ALSA], Ger?t 0: bcm2835 ALSA [bcm2835 ALSA] > Sub-Ger?te: 8/8 > Sub-Ger?t #0: subdevice #0 > Sub-Ger?t #1: subdevice #1 > Sub-Ger?t #2: subdevice #2 > Sub-Ger?t #3: subdevice #3 > Sub-Ger?t #4: subdevice #4 > Sub-Ger?t #5: subdevice #5 > Sub-Ger?t #6: subdevice #6 > Sub-Ger?t #7: subdevice #7 > > The USB-Sound Device works great (very good quality) with alsa: > > aplay /usr/share/scratch/Media/Sounds/Vocals/Singer2.wav > > and recording with: > > arecord -D plughw:0 --duration=10 -f cd -vv test.wav > > I read the site: http://trac.pjsip.org/repos/wiki/sound-problems. > > The playback-sound at "cc 0 0" is very bad. > Abort at: > > >>> cc 1 0 > 22:52:13.499 pjsua_aud.c Conf connect: 1 --> 0 > 22:52:13.500 pjsua_aud.c .Set sound device: capture=-1, playback=-2 > 22:52:13.502 pjsua_app.c ..Turning sound device ON > 22:52:13.504 pjsua_aud.c ..Opening sound device PCM at 16000/1/20ms > 22:52:13.558 ec0x2c7460 ...AEC created, clock_rate=16000, > channel=1, samples per frame=320, tail length=200 ms, latency=0 ms > 22:52:13.561 conference.c .Port 1 > (/usr/share/scratch/Media/Sounds/Vocals/Singer2.wav) transmitting to > port 0 (default:CARD=Device) > Success > >>> pjsua: ../src/pjmedia/conference.c:1498: read_port: Assertion > `cport->rx_buf_count <= cport->rx_buf_cap' failed. > Abgebrochen > > What can I do? > > My configuration is: > sudo apt-get update > sudo apt-get upgrade > sudo apt-get install alsaplayer-alsa libv4l-dev libx264-dev > libssl-dev libasound2-dev > cd > sudo wget http://www.pjsip.org/release/2.2/pjproject-2.2.tar.bz2 > sudo tar xvfj pjproject-2.2.tar.bz2 > cd pjproject-2.2/ > sudo ./configure --disable-video --disable-l16-codec > --disable-gsm-codec --disable-g722-codec --disable-g7221-codec > --disable-ilbc-codec > echo "PJSIP: use ALSA instead of Portaudio" > sudo cat << PJ > pjlib/include/pj/config_site.h > #define PJMEDIA_AUDIO_DEV_HAS_ALSA 1 > #define PJMEDIA_AUDIO_DEV_HAS_PORTAUDIO 0 > PJ > sudo make dep && make > sudo make install > > sudo cp > /home/pi/pjproject-2.2/pjsip-apps/bin/pjsua-armv6l-unknown-linux-gnueabihf > /usr/bin/pjsua > > Please help. > > bye > herbert > > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20140514/715e0677/attachment.html>
