void pa_source_output_cb(pa_context *c, const pa_source_output_info *i, int eol, void *userdata)
{
if (eol > 0) {
return;
}
char buf[1024];
const char *prop_key = NULL;
void *prop_state = NULL;
printf("index: %d\n", i->index);
printf("name: %s\n", i->name);
printf("module: %d\n", i->owner_module);
printf("client: %d\n", i->client);
printf("source: %d\n", i->source);
printf("volume: channels:%d, min:%d, max:%d\n",
i->volume.channels,
pa_cvolume_min(&i->volume),
pa_cvolume_max(&i->volume));
printf("resample_method: %s", i->resample_method);
printf("driver: %s\n", i->driver);
printf("mute: %d\n", i->mute);
printf("corked: %d\n", i->corked);
printf("has_volume: %d\n", i->has_volume);
printf("volume_writable: %d\n", i->volume_writable);
while ((prop_key=pa_proplist_iterate(i->proplist, &prop_state))) {
printf(" %s: %s\n", prop_key, pa_proplist_gets(i->proplist, prop_key));
}
printf("format_info: %s\n", pa_format_info_snprint(buf, 1000, i->format));
printf("------------------------------\n");
}
char* output_info_str(const pa_source_output_info* i)
{
char t[32];
char k[32];
char s[PA_SAMPLE_SPEC_SNPRINT_MAX];
char cv[PA_CVOLUME_SNPRINT_MAX];
char cvdb[PA_SW_CVOLUME_SNPRINT_DB_MAX];
char cm[PA_CHANNEL_MAP_SNPRINT_MAX];
char f[PA_FORMAT_INFO_SNPRINT_MAX];
char *pl;
g_snprintf(t, sizeof(t), "%u", i->owner_module);
g_snprintf(k, sizeof(k), "%u", i->client);
char* str = g_strdup_printf(
"Source Output #%u\n"
"Driver: %s\n"
"Owner Module: %s\n"
"Client: %s\n"
"Source: %u\n"
"Sample Specification: %s\n"
"Channel Map: %s\n"
"Format: %s\n"
"Mute: %s\n"
"Volume: %s\n"
" %s\n"
"Balance: %0.2f\n"
"Buffer Latency: %0.0f usec\n"
"Source Latency: %0.0f usec\n"
"Resample method: %s\n"
"Properties:\n\t\t%s",
i->index,
i->driver,
i->owner_module != PA_INVALID_INDEX ? t : "n/a",
i->client != PA_INVALID_INDEX ? k : "n/a",
i->source,
pa_sample_spec_snprint(s, sizeof(s), &i->sample_spec),
pa_channel_map_snprint(cm, sizeof(cm), &i->channel_map),
pa_format_info_snprint(f, sizeof(f), i->format),
i->mute ? "yes" : "no",
pa_cvolume_snprint(cv, sizeof(cv), &i->volume),
pa_sw_cvolume_snprint_dB(cvdb, sizeof(cvdb), &i->volume),
pa_cvolume_get_balance(&i->volume, &i->channel_map),
(double) i->buffer_usec,
(double) i->source_usec,
i->resample_method ? i->resample_method : "n/a",
pl = pa_proplist_to_string_sep(i->proplist, "\n\t\t"));
pa_xfree(pl);
return str;
}
