void audio_output_disconnect(audio_t audio,
void (*callback)(void *param, struct audio_data *data),
void *param)
{
if (!audio) return;
pthread_mutex_lock(&audio->input_mutex);
size_t idx = audio_get_input_idx(audio, callback, param);
if (idx != DARRAY_INVALID) {
audio_input_free(audio->inputs.array+idx);
da_erase(audio->inputs, idx);
}
pthread_mutex_unlock(&audio->input_mutex);
}
void audio_output_disconnect(audio_t *audio, size_t mix_idx,
audio_output_callback_t callback, void *param)
{
if (!audio || mix_idx >= MAX_AUDIO_MIXES) return;
pthread_mutex_lock(&audio->input_mutex);
size_t idx = audio_get_input_idx(audio, mix_idx, callback, param);
if (idx != DARRAY_INVALID) {
struct audio_mix *mix = &audio->mixes[mix_idx];
audio_input_free(mix->inputs.array+idx);
da_erase(mix->inputs, idx);
}
pthread_mutex_unlock(&audio->input_mutex);
}
static inline bool audio_input_init(struct audio_input *input,
struct audio_output *audio)
{
if (input->conversion.format != audio->info.format ||
input->conversion.samples_per_sec != audio->info.samples_per_sec ||
input->conversion.speakers != audio->info.speakers) {
struct resample_info from = {
.format = audio->info.format,
.samples_per_sec = audio->info.samples_per_sec,
.speakers = audio->info.speakers
};
struct resample_info to = {
.format = input->conversion.format,
.samples_per_sec = input->conversion.samples_per_sec,
.speakers = input->conversion.speakers
};
input->resampler = audio_resampler_create(&to, &from);
if (!input->resampler) {
blog(LOG_ERROR, "audio_input_init: Failed to "
"create resampler");
return false;
}
} else {
input->resampler = NULL;
}
return true;
}
bool audio_output_connect(audio_t audio,
const struct audio_convert_info *conversion,
void (*callback)(void *param, struct audio_data *data),
void *param)
{
bool success = false;
if (!audio) return false;
pthread_mutex_lock(&audio->input_mutex);
if (audio_get_input_idx(audio, callback, param) == DARRAY_INVALID) {
struct audio_input input;
input.callback = callback;
input.param = param;
if (conversion) {
input.conversion = *conversion;
} else {
input.conversion.format = audio->info.format;
input.conversion.speakers = audio->info.speakers;
input.conversion.samples_per_sec =
audio->info.samples_per_sec;
}
if (input.conversion.format == AUDIO_FORMAT_UNKNOWN)
input.conversion.format = audio->info.format;
if (input.conversion.speakers == SPEAKERS_UNKNOWN)
input.conversion.speakers = audio->info.speakers;
if (input.conversion.samples_per_sec == 0)
input.conversion.samples_per_sec =
audio->info.samples_per_sec;
success = audio_input_init(&input, audio);
if (success)
da_push_back(audio->inputs, &input);
}
pthread_mutex_unlock(&audio->input_mutex);
return success;
}