>
> Without patch, with a latency of 48 ms:
>
>
> With the patch, I get the same assertion failed as Peter ("frames > 0").
> With Peter's change, I get this: http://pastebin.com/dWx6fiwT, even with
> no client connected. The reported delay is -5 * default-fragments *
> default-fragment-size-msec.
>
What do mean when you say default-fragments *
default-fragment-size-msec?
Seem pulseaudio using 200ms buffer and 100ms period
it is strange that hwptr is zero when app_ptr is 8820
http://cgit.freedesktop.org/pulseaudio/pulseaudio/plain/src/tests/alsa-time-test.c
Do alsa-time-test run with fillrate 441 with 10ms Interval ?
alsa-sink-USB Audio] alsa-sink.c: Underrun!
E: [alsa-sink-USB Audio] alsa-util.c: snd_pcm_delay() returned a value that
is exceptionally large: -176572 bytes (-1000 ms).
E: [alsa-sink-USB Audio] alsa-util.c: Most likely this is a bug in the ALSA
driver 'snd_usb_audio'. Please report this issue to the ALSA developers.
E: [alsa-sink-USB Audio] alsa-util.c: snd_pcm_dump():
E: [alsa-sink-USB Audio] alsa-util.c: Hardware PCM card 0 'USB Audio CODEC'
device 0 subdevice 0
E: [alsa-sink-USB Audio] alsa-util.c: Its setup is:
E: [alsa-sink-USB Audio] alsa-util.c: stream : PLAYBACK
E: [alsa-sink-USB Audio] alsa-util.c: access : MMAP_INTERLEAVED
E: [alsa-sink-USB Audio] alsa-util.c: format : S16_LE
E: [alsa-sink-USB Audio] alsa-util.c: subformat : STD
E: [alsa-sink-USB Audio] alsa-util.c: channels : 2
E: [alsa-sink-USB Audio] alsa-util.c: rate : 44100
E: [alsa-sink-USB Audio] alsa-util.c: exact rate : 44100 (44100/1)
E: [alsa-sink-USB Audio] alsa-util.c: msbits : 16
E: [alsa-sink-USB Audio] alsa-util.c: buffer_size : 8820
E: [alsa-sink-USB Audio] alsa-util.c: period_size : 4410
E: [alsa-sink-USB Audio] alsa-util.c: period_time : 100000
E: [alsa-sink-USB Audio] alsa-util.c: tstamp_mode : ENABLE
E: [alsa-sink-USB Audio] alsa-util.c: period_step : 1
E: [alsa-sink-USB Audio] alsa-util.c: avail_min : 4410
E: [alsa-sink-USB Audio] alsa-util.c: period_event : 1
E: [alsa-sink-USB Audio] alsa-util.c: start_threshold : -1
E: [alsa-sink-USB Audio] alsa-util.c: stop_threshold : 1156055040
E: [alsa-sink-USB Audio] alsa-util.c: silence_threshold: 0
E: [alsa-sink-USB Audio] alsa-util.c: silence_size : 0
E: [alsa-sink-USB Audio] alsa-util.c: boundary : 1156055040
E: [alsa-sink-USB Audio] alsa-util.c: appl_ptr : 8820
E: [alsa-sink-USB Audio] alsa-util.c: hw_ptr : 0
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