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slight changes to alsa errors

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git-svn-id: https://svn.musicpd.org/mpd/trunk@3072 09075e82-0dd4-0310-85a5-a0d7c8717e4f
This commit is contained in:
Warren Dukes 2005-03-13 16:42:04 +00:00
parent 5ba5832f5a
commit 3d81a723c7
1 changed files with 32 additions and 3 deletions
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35
src/audioOutputs/audioOutput_alsa.c
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@ -119,6 +119,7 @@ static int alsa_openDevice(AudioOutput * audioOutput)
unsigned int alsa_buffer_time = MPD_ALSA_BUFFER_TIME;
unsigned int alsa_period_time = MPD_ALSA_PERIOD_TIME;
int err;
char * cmd = NULL;
switch(audioFormat->bits) {
case 8:
@ -146,12 +147,14 @@ static int alsa_openDevice(AudioOutput * audioOutput)
goto error;
}
cmd = "snd_pcm_nonblock";
err = snd_pcm_nonblock(ad->pcmHandle, 0);
if(err < 0) goto error;
/* configure HW params */
snd_pcm_hw_params_alloca(&hwparams);
cmd = "snd_pcm_hw_params_any";
err = snd_pcm_hw_params_any(ad->pcmHandle, hwparams);
if(err < 0) goto error;
@ -169,6 +172,7 @@ static int alsa_openDevice(AudioOutput * audioOutput)
}
if(!ad->useMmap) {
cmd = "snd_pcm_hw_params_set_access";
err = snd_pcm_hw_params_set_access(ad->pcmHandle, hwparams,
SND_PCM_ACCESS_RW_INTERLEAVED);
if(err < 0) goto error;
@ -202,20 +206,25 @@ static int alsa_openDevice(AudioOutput * audioOutput)
}
audioFormat->sampleRate = sampleRate;
cmd = "snd_pcm_hw_params_set_buffer_time_near";
err = snd_pcm_hw_params_set_buffer_time_near(ad->pcmHandle, hwparams,
&alsa_buffer_time, 0);
if(err < 0) goto error;
cmd = "snd_pcm_hw_params_set_period_time_near";
err = snd_pcm_hw_params_set_period_time_near(ad->pcmHandle, hwparams,
&alsa_period_time, 0);
if(err < 0) goto error;
cmd = "snd_pcm_hw_params";
err = snd_pcm_hw_params(ad->pcmHandle, hwparams);
if(err < 0) goto error;
cmd = "snd_pcm_hw_params_get_buffer_size";
err = snd_pcm_hw_params_get_buffer_size(hwparams, &alsa_buffer_size);
if(err < 0) goto error;
cmd = "snd_pcm_hw_params_get_period_size";
err = snd_pcm_hw_params_get_period_size(hwparams, &alsa_period_size, 0);
if(err < 0) goto error;
@ -224,12 +233,26 @@ static int alsa_openDevice(AudioOutput * audioOutput)
/* configure SW params */
snd_pcm_sw_params_alloca(&swparams);
snd_pcm_sw_params_current(ad->pcmHandle, swparams);
cmd = "snd_pcm_sw_params_current";
err = snd_pcm_sw_params_current(ad->pcmHandle, swparams);
if(err < 0) goto error;
cmd = "snd_pcm_sw_params_set_start_threshold";
err = snd_pcm_sw_params_set_start_threshold(ad->pcmHandle, swparams,
alsa_buffer_size - alsa_period_size);
if(err < 0) goto error;
cmd = "snd_pcm_sw_params_set_avail_min";
err = snd_pcm_sw_params_set_avail_min(ad->pcmHandle, swparams,
alsa_period_size);
if(err < 0) goto error;
cmd = "snd_pcm_sw_params_set_xfer_align";
err = snd_pcm_sw_params_set_xfer_align(ad->pcmHandle, swparams, 1);
if(err < 0) goto error;
cmd = "snd_pcm_sw_params";
err = snd_pcm_sw_params(ad->pcmHandle, swparams);
if(err < 0) goto error;
@ -243,8 +266,14 @@ static int alsa_openDevice(AudioOutput * audioOutput)
return 0;
error:
ERROR("Error opening alsa device \"%s\": %s\n", ad->device,
snd_strerror(-err));
if(cmd) {
ERROR("Error opening alsa device \"%s\" (%s): %s\n",
ad->device, cmd, snd_strerror(-err));
}
else {
ERROR("Error opening alsa device \"%s\": %s\n", ad->device,
snd_strerror(-err));
}
fail:
if(ad->pcmHandle) snd_pcm_close(ad->pcmHandle);
ad->pcmHandle = NULL;