/** Find matched descriptor in codec list */
MPF_DECLARE(mpf_codec_descriptor_t*) mpf_codec_list_descriptor_find(const mpf_codec_list_t *codec_list, const mpf_codec_descriptor_t *descriptor)
{
int i;
mpf_codec_descriptor_t *matched_descriptor;
for(i=0; i<codec_list->descriptor_arr->nelts; i++) {
matched_descriptor = &APR_ARRAY_IDX(codec_list->descriptor_arr,i,mpf_codec_descriptor_t);
if(mpf_codec_descriptors_match(descriptor,matched_descriptor) == TRUE) {
return matched_descriptor;
}
}
return NULL;
}
MPF_DECLARE(mpf_object_t*) mpf_bridge_create(
mpf_audio_stream_t *source,
mpf_audio_stream_t *sink,
const mpf_codec_manager_t *codec_manager,
const char *name,
apr_pool_t *pool)
{
if(!source || !sink) {
return NULL;
}
if(mpf_audio_stream_rx_validate(source,sink->tx_descriptor,sink->tx_event_descriptor,pool) == FALSE ||
mpf_audio_stream_tx_validate(sink,source->rx_descriptor,source->rx_event_descriptor,pool) == FALSE) {
return NULL;
}
if(mpf_codec_descriptors_match(source->rx_descriptor,sink->tx_descriptor) == TRUE) {
return mpf_null_bridge_create(source,sink,codec_manager,name,pool);
}
if(mpf_codec_lpcm_descriptor_match(source->rx_descriptor) == FALSE) {
mpf_codec_t *codec = mpf_codec_manager_codec_get(codec_manager,source->rx_descriptor,pool);
if(codec) {
/* set decoder before bridge */
mpf_audio_stream_t *decoder = mpf_decoder_create(source,codec,pool);
source = decoder;
}
}
if(mpf_codec_lpcm_descriptor_match(sink->tx_descriptor) == FALSE) {
mpf_codec_t *codec = mpf_codec_manager_codec_get(codec_manager,sink->tx_descriptor,pool);
if(codec) {
/* set encoder after bridge */
mpf_audio_stream_t *encoder = mpf_encoder_create(sink,codec,pool);
sink = encoder;
}
}
if(source->rx_descriptor->sampling_rate != sink->tx_descriptor->sampling_rate) {
/* set resampler before bridge */
mpf_audio_stream_t *resampler = mpf_resampler_create(source,sink,pool);
if(!resampler) {
return NULL;
}
source = resampler;
}
return mpf_linear_bridge_create(source,sink,codec_manager,name,pool);
}
