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alsa-util: No logging when sound card only supports non-interleaved sample format

Browse source 
as suggested by
https://bugs.freedesktop.org/show_bug.cgi?id=84804

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
This commit is contained in:
Peter Meerwald 2014-11-15 13:33:19 +01:00 • committed by David Henningsson
parent 62dc0ad6c3
commit 55a25246ee
1 changed files with 15 additions and 0 deletions
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15
src/modules/alsa/alsa-util.c
View file

@ -181,6 +181,19 @@ static int set_buffer_size(snd_pcm_t *pcm_handle, snd_pcm_hw_params_t *hwparams,
return 0;
}
static void check_access(snd_pcm_t *pcm_handle, snd_pcm_hw_params_t *hwparams, bool use_mmap) {
if ((use_mmap && !snd_pcm_hw_params_test_access(pcm_handle, hwparams, SND_PCM_ACCESS_MMAP_INTERLEAVED)) ||
!snd_pcm_hw_params_test_access(pcm_handle, hwparams, SND_PCM_ACCESS_RW_INTERLEAVED))
pa_log_error("Weird, PCM claims to support interleaved access, but snd_pcm_hw_params_set_access() failed.");
if ((use_mmap && !snd_pcm_hw_params_test_access(pcm_handle, hwparams, SND_PCM_ACCESS_MMAP_NONINTERLEAVED)) ||
!snd_pcm_hw_params_test_access(pcm_handle, hwparams, SND_PCM_ACCESS_RW_NONINTERLEAVED))
pa_log_error("PCM seems to support non-interleaved access, but PA doesn't.");
else if (use_mmap && !snd_pcm_hw_params_test_access(pcm_handle, hwparams, SND_PCM_ACCESS_MMAP_COMPLEX)) {
pa_log_error("PCM seems to support mmapped complex access, but PA doesn't.");
}
}
/* Set the hardware parameters of the given ALSA device. Returns the
* selected fragment settings in *buffer_size and *period_size. Determine
* whether mmap and tsched mode can be enabled. */
@ -227,6 +240,7 @@ int pa_alsa_set_hw_params(
if ((ret = snd_pcm_hw_params_set_access(pcm_handle, hwparams, SND_PCM_ACCESS_RW_INTERLEAVED)) < 0) {
pa_log_debug("snd_pcm_hw_params_set_access() failed: %s", pa_alsa_strerror(ret));
check_access(pcm_handle, hwparams, true);
goto finish;
}
@ -235,6 +249,7 @@ int pa_alsa_set_hw_params(
} else if ((ret = snd_pcm_hw_params_set_access(pcm_handle, hwparams, SND_PCM_ACCESS_RW_INTERLEAVED)) < 0) {
pa_log_debug("snd_pcm_hw_params_set_access() failed: %s", pa_alsa_strerror(ret));
check_access(pcm_handle, hwparams, false);
goto finish;
}