On Sat, 28 May 2016, at 12:05 AM, Caio wrote: > I forgot the pulseaudio log. > > > Jan 01 05:39:46 colibri-imx6 pulseaudio[1230]: E: [alsa-source-HiFi > wm8962-0] module-echo-cancel.c: Doing resync > Jan 01 05:39:46 colibri-imx6 pulseaudio[1230]: E: [alsa-source-HiFi > wm8962-0] module-echo-cancel.c: Playback after capture (-1705478), drop > sink 109170 > Jan 01 05:39:46 colibri-imx6 pulseaudio[1230]: E: [alsa-source-HiFi > wm8962-0] module-echo-cancel.c: Playback too far ahead (261821), drop > source 16756 > Jan 01 05:39:48 colibri-imx6 pulseaudio[1230]: E: [alsa-source-HiFi > wm8962-0] module-echo-cancel.c: Playback after capture (-168495), drop > sink > 10802 > Jan 01 05:48:55 colibri-imx6 pulseaudio[1230]: E: [alsa-source-HiFi > wm8962-0] module-echo-cancel.c: Doing resync > Jan 01 05:48:55 colibri-imx6 pulseaudio[1230]: E: [alsa-source-HiFi > wm8962-0] module-echo-cancel.c: Playback after capture (-2897082), drop > sink 185432 What is the sink device in this case? It looks like there is a lot of drift between the two. You could try setting drift_compenasation=1 in the aec_args for the webrtc canceller. > > 2016-05-27 15:28 GMT-03:00 Caio <caiortp at gmail.com>: > > > Arun, > > > > Sorry for the delay. > > > > Thanks for the answers. > > > > "I'm not sure I follow correctly -- you're saying that if you do things > > this way, the AEC works fine?" > > > > Yes, I follow correcty your instruction is working very good. > > > > > > > > But Now I'm trying to avoid the "audio underrun" (the audio is cracking). > > When I use the paplay the audio is ok and the cpu is around 14%, when I > > start the test the cpu goes to 26% and the audio start to cracking. > > I'm having difficult to configure the pulseaudio. > > > > > > Thank you very much. > > > > The gstreamer log: > > > > root at colibri-imx6-jfl:~/wavs# ./teste_pulseaudio_echo.sh input.48.wav > > Setting pipeline to PAUSED ... > > 0:00:00.093887667 1258 0x1bac100 WARN basesrc > > /home/icchw/oe-core/build/out-glibc/work/armv7at2hf-vfp-neon-angstrom-linux-gnueabi/gstreamer1.0/1.4.1-r0/gstreamer-1.4.1/libs/gst/base/gstbasesrc.c:3460:gst_base_src_start_complete:<filesrc0> > > pad not activated yet > > 0:00:00.094892667 1258 0x1bb5750 FIXME default > > /home/icchw/oe-core/build/out-glibc/work/armv7at2hf-vfp-neon-angstrom-linux-gnueabi/gstreamer1.0/1.4.1-r0/gstreamer-1.4.1/gst/gstutils.c:3643:gst_pad_create_stream_id_internal:<wavparse0:src> > > Creating random stream-id, consider implementing a deterministic way of > > creating a stream-id > > Pipeline is live and does not need PREROLL ... > > Setting pipeline to PLAYING ... > > New clock: GstPulseSrcClock > > 0:00:00.098627667 1258 0x1bb5780 FIXME default > > /home/icchw/oe-core/build/out-glibc/work/armv7at2hf-vfp-neon-angstrom-linux-gnueabi/gstreamer1.0/1.4.1-r0/gstreamer-1.4.1/gst/gstutils.c:3643:gst_pad_create_stream_id_internal:<pulsesrc0:src> > > Creating random stream-id, consider implementing a deterministic way of > > creating a stream-id > > 0:00:01.350294000 1258 0x1bb5750 WARN audiobasesink > > /home/icchw/oe-core/build/out-glibc/work/armv7at2hf-vfp-neon-mx6qdl-angstrom-linux-gnueabi/gstreamer1.0-plugins-base/1.4.1-r0/gst-plugins-base-1.4.1/gst-libs/gst/audio/gstaudiobasesink.c:1288:gst_audio_base_sink_skew_slaving:<pulsesink0> > > correct clock skew 22728553 > 20000000 > > 0:00:01.904267667 1258 0x1bb5750 WARN audiobasesink > > /home/icchw/oe-core/build/out-glibc/work/armv7at2hf-vfp-neon-mx6qdl-angstrom-linux-gnueabi/gstreamer1.0-plugins-base/1.4.1-r0/gst-plugins-base-1.4.1/gst-libs/gst/audio/gstaudiobasesink.c:1288:gst_audio_base_sink_skew_slaving:<pulsesink0> > > correct clock skew 21428670 > 20000000 > > 0:00:03.019438001 1258 0x1bb5750 WARN audiobasesink > > /home/icchw/oe-core/build/out-glibc/work/armv7at2hf-vfp-neon-mx6qdl-angstrom-linux-gnueabi/gstreamer1.0-plugins-base/1.4.1-r0/gst-plugins-base-1.4.1/gst-libs/gst/audio/gstaudiobasesink.c:1288:gst_audio_base_sink_skew_slaving:<pulsesink0> > > correct clock skew 20980685 > 20000000 > > 0:00:03.947815667 1258 0x1bcb5a0 WARN pulse > > /home/icchw/oe-core/build/out-glibc/work/armv7at2hf-vfp-neon-angstrom-linux-gnueabi/gstreamer1.0-plugins-good/1.4.1-r0/gst-plugins-good-1.4.1/ext/pulse/pulsesink.c:678:gst_pulsering_stream_underflow_cb:<pulsesink0> > > Got underflow These underflows sound bad. Does capture work fine without AEC? -- Arun
