Shawn Ferris <shawn.ferris at gmail.com> wrote: >Hi All -- > >I hope someone can help me. I mentioned a few weeks ago that I was >having trouble getting audio from pulseaudio on my pandaboard. Since >then, some bugs and work arounds have been discovered and now, I'm >fairly confident that alsa is behaving correctly, and pulseaudio is >starting without problems.. however, I still can't hear almost >anything.. > >These work: >aplay Noise.wav >aplay -D plughw:0,0 Noise.wav > >These don't: (they seem to, just don't hear anything) >paplay Noise.wav >paplay --device='alsa_output.platform-soc-audio.default-mapping-output' >--volume=65537 Noise.wav > >Here's the screwy part.. this does work: >gst-launch audiotestsrc ! audioconvert ! pulsesink >device='alsa_output.platform-soc-audio.default-mapping-output' > >If I hear the audiotestsrc, shouldn't I be able to hear the others? >Here's the output of pa when using paplay: > > >I: [pulseaudio] client.c: Created 0 "Native client (UNIX socket client)" >I: [pulseaudio] protocol-native.c: Got credentials: uid=500 gid=500 success=1 >I: [pulseaudio] module-stream-restore.c: Restoring volume for sink >input sink-input-by-application-name:pacat. >I: [alsa-sink] alsa-sink.c: Trying resume... >I: [alsa-sink] alsa-util.c: Trying to disable ALSA period wakeups, >using timers only >I: [alsa-sink] alsa-util.c: ALSA period wakeups disabled >I: [alsa-sink] alsa-sink.c: Resumed successfully... >I: [alsa-sink] alsa-sink.c: Starting playback. >I: [pulseaudio] remap.c: Using mono to stereo remapping >I: [pulseaudio] resampler.c: Using resampler 'speex-float-3' >I: [pulseaudio] resampler.c: Using float32le as working format. >I: [pulseaudio] resampler.c: Choosing speex quality setting 3. >I: [pulseaudio] sink-input.c: Created input 0 "Noise.wav" on >alsa_output.platform-soc-audio.default-mapping-output with sample spec >s16le 1ch 48000Hz and channel map mono >I: [pulseaudio] sink-input.c: media.format = "WAV (Microsoft)" >I: [pulseaudio] sink-input.c: application.process.host = "pradio" >I: [pulseaudio] sink-input.c: application.process.binary = "pacat" >I: [pulseaudio] sink-input.c: application.language = "C" >I: [pulseaudio] sink-input.c: application.process.machine_id = >"98dbd9163734a3bd67e383a500000007" >I: [pulseaudio] sink-input.c: module-stream-restore.id = >"sink-input-by-application-name:pacat" >I: [pulseaudio] protocol-native.c: Requested tlength=2000.00 ms, >minreq=20.00 ms >I: [pulseaudio] protocol-native.c: Final latency 2742.31 ms = 1960.00 >ms + 2*20.00 ms + 742.31 ms >I: [pulseaudio] sink-input.c: Freeing input 0 "Noise.wav" >I: [pulseaudio] client.c: Freed 0 "pacat" >I: [pulseaudio] protocol-native.c: Connection died. > >No blatant errors that I see.. and I think the volumes are correct and >not muted: > > index: 1 > name: <alsa_output.platform-soc-audio.default-mapping-output> > driver: <module-alsa-card.c> > flags: HARDWARE DECIBEL_VOLUME LATENCY FLAT_VOLUME DYNAMIC_LATENCY > state: SUSPENDED > suspend cause: IDLE > priority: 9000 > volume: 0: 100% 1: 100% > 0: 0.00 dB 1: 0.00 dB > balance 0.00 > base volume: 100% > 0.00 dB > volume steps: 65537 > muted: no > current latency: 0.00 ms > max request: 0 KiB > max rewind: 0 KiB > monitor source: 1 > sample spec: s16le 2ch 44100Hz > channel map: front-left,front-right > Stereo > used by: 0 > linked by: 0 > configured latency: 0.00 ms; range is 0.50 .. 742.31 ms > card: 1 <alsa_card.platform-soc-audio> > module: 5 > properties: > alsa.resolution_bits = "16" > device.api = "alsa" > device.class = "sound" > alsa.class = "generic" > alsa.subclass = "generic-mix" > alsa.name = "" > alsa.id = "Multimedia null-codec-dai-0" > alsa.subdevice = "0" > alsa.subdevice_name = "subdevice #0" > alsa.device = "0" > alsa.card = "0" > alsa.card_name = "Panda" > alsa.long_card_name = "TI OMAP4 Board" > device.bus_path = "platform-soc-audio" > sysfs.path = "/devices/platform/soc-audio/sound/card0" > device.string = "plughw:0,0" > device.buffering.buffer_size = "130944" > device.buffering.fragment_size = "65472" > device.access_mode = "mmap+timer" > device.profile.name = "default-mapping-output" > device.profile.description = "Default headset testing TI 4430 based board" > device.description = "Panda Default headset testing TI 4430 based board" > module-udev-detect.discovered = "1" > device.icon_name = "audio-card" > >Anyone have any suggestions? at first, I didn't have the >pulse/pulse-access user/groups set up.. are those still required when >running under an unprivileged user account. (adding then neither >helped nor hurt that I could tell) and lastly, I've tried with and >without the linaro ucm tarball. >(https://launchpad.net/linaro-multimedia-ucm) I've got what I believe >is a working ucm configuration for alsa, but pa errors trying to load >the verbs so I've moved the ucm configuration out of the way.. have >the ucm changes been committed to pa? > >Thanks for any help!! >Shawn
