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alsa: improve test

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Add capture mode, add more info for class
This commit is contained in:
Wim Taymans 2022-08-09 12:16:37 +02:00
parent 80b59a4971
commit f971362f76
1 changed files with 40 additions and 6 deletions
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46
spa/plugins/alsa/test-hw-params.c
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@ -49,11 +49,40 @@ struct state {
} \
}
static const char *get_class(snd_pcm_class_t c)
{
switch (c) {
case SND_PCM_CLASS_GENERIC:
return "generic";
case SND_PCM_CLASS_MULTI:
return "multichannel";
case SND_PCM_CLASS_MODEM:
return "modem";
case SND_PCM_CLASS_DIGITIZER:
return "digitizer";
default:
return "unknown";
}
}
static const char *get_subclass(snd_pcm_subclass_t c)
{
switch (c) {
case SND_PCM_SUBCLASS_GENERIC_MIX:
return "generic-mix";
case SND_PCM_SUBCLASS_MULTI_MIX:
return "multichannel-mix";
default:
return "unknown";
}
}
static void show_help(const char *name, bool error)
{
fprintf(error ? stderr : stdout, "%s [options]\n"
" -h, --help Show this help\n"
" -D, --device device name (default %s)\n",
" -D, --device device name (default '%s')\n"
" -C, --capture capture mode (default playback)\n",
name, DEFAULT_DEVICE);
}
@ -63,15 +92,17 @@ int main(int argc, char *argv[])
snd_pcm_hw_params_t *hparams;
snd_pcm_info_t *info;
snd_pcm_sync_id_t sync;
snd_pcm_stream_t stream = SND_PCM_STREAM_PLAYBACK;
int c;
static const struct option long_options[] = {
{ "help", no_argument, NULL, 'h' },
{ "device", required_argument, NULL, 'D' },
{ "capture", no_argument, NULL, 'C' },
{ NULL, 0, NULL, 0}
};
state.device = DEFAULT_DEVICE;
while ((c = getopt_long(argc, argv, "hD:f:r:c:", long_options, NULL)) != -1) {
while ((c = getopt_long(argc, argv, "hD:C", long_options, NULL)) != -1) {
switch (c) {
case 'h':
show_help(argv[0], false);
@ -79,6 +110,9 @@ int main(int argc, char *argv[])
case 'D':
state.device = optarg;
break;
case 'C':
stream = SND_PCM_STREAM_CAPTURE;
break;
default:
show_help(argv[0], true);
return -1;
@ -89,7 +123,7 @@ int main(int argc, char *argv[])
fprintf(stdout, "opening device: '%s'\n", state.device);
CHECK(snd_pcm_open(&state.hndl, state.device, SND_PCM_STREAM_PLAYBACK, 0),
CHECK(snd_pcm_open(&state.hndl, state.device, stream, 0),
"open %s failed", state.device);
snd_pcm_info_alloca(&info);
@ -98,13 +132,13 @@ int main(int argc, char *argv[])
fprintf(stdout, "info:\n");
fprintf(stdout, " device: %u\n", snd_pcm_info_get_device(info));
fprintf(stdout, " subdevice: %u\n", snd_pcm_info_get_subdevice(info));
fprintf(stdout, " stream: %u\n", snd_pcm_info_get_stream(info));
fprintf(stdout, " stream: %s\n", snd_pcm_stream_name(snd_pcm_info_get_stream(info)));
fprintf(stdout, " card: %d\n", snd_pcm_info_get_card(info));
fprintf(stdout, " id: '%s'\n", snd_pcm_info_get_id(info));
fprintf(stdout, " name: '%s'\n", snd_pcm_info_get_name(info));
fprintf(stdout, " subdevice name: '%s'\n", snd_pcm_info_get_subdevice_name(info));
fprintf(stdout, " class: %d\n", snd_pcm_info_get_class(info));
fprintf(stdout, " subclass: %d\n", snd_pcm_info_get_subclass(info));
fprintf(stdout, " class: %s\n", get_class(snd_pcm_info_get_class(info)));
fprintf(stdout, " subclass: %s\n", get_subclass(snd_pcm_info_get_subclass(info)));
fprintf(stdout, " subdevice count: %u\n", snd_pcm_info_get_subdevices_count(info));
fprintf(stdout, " subdevice avail: %u\n", snd_pcm_info_get_subdevices_avail(info));
sync = snd_pcm_info_get_sync(info);