All,
I've been having problems with this card in a certain application for over a
week and a half. And I have to say that it's not in any part due to laziness on
my part. Perhaps this will help some of the list members diagnose my problem.
I always get the error:
"Unable to set hw params for playback: Invalid argument"
when trying to run this app....which by the way is oh so helpful. Fine. I
added the snd_hw_params_dump line into the code and recompiled. Here's the
result:
ACCESS: MMAP_INTERLEAVED
FORMAT: S16_LE
SUBFORMAT: STD
SAMPLE_BITS: 16
FRAME_BITS: 32
CHANNELS: 2
RATE: NONE
PERIOD_TIME: (21333 21334)
PERIOD_SIZE: (2084759 2084760)
PERIOD_BYTES: (8339036 8339040)
PERIODS: (4 5)
BUFFER_TIME: (85333 85334)
BUFFER_SIZE: 8339168
BUFFER_BYTES: 33356672
TICK_TIME: 0
I've also included my .asoundrc. I'm specifying the "dsp0" device in the config
for this app. Please please please help me. I really don't know what else to
do.
Thanks,
Brian
<.asoundrc>
pcm.dmixer {
type dmix
ipc_key 1024
slave {
pcm "hw:0,0"
period_time 0
period_size 1024
buffer_size 4096 # buffer size < 6653, but pow(x, 2)
rate 48000
}
# bindings {
# 0 0
# 1 1
# }
}
# Everything shall be dmixed, so redefine "default":
pcm.!default {
type plug
slave.pcm "dmixer"
}
# OSS via aoss should d(mix)stroyed:
pcm.dsp0 {
type plug
slave.pcm "dmixer"
}
ctl.mixer0 {
type hw
card 0
}
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