media_node_framework/audio/AudioProducer.cpp

181 	fOutput.destination = media_destination::null;
182 	fOutput.format = fPreferredFormat;
246 	if (output != fOutput.source) {
284 	if (destination != fOutput.destination) {
289 	if (source != fOutput.source) {
310 		*_output = fOutput;
333 	if (forSource != fOutput.source)
349 		size_t size = fOutput.format.u.raw_audio.buffer_size;
378 	if (what != fOutput.source) {
384 	if (fOutput.destination != media_destination::null) {
396 	fOutput.destination = where;
397 	fOutput.format = *format;
400 		fSupplier->SetFormat(fOutput.format);
402 	*_source = fOutput.source;
403 	strncpy(_name, fOutput.name, B_MEDIA_NAME_LENGTH);
420 		fOutput.destination = media_destination::null;
421 		fOutput.format = fPreferredFormat;
427 	fOutput.destination = destination;
428 	fOutput.format = format;
429 	strncpy(_name, fOutput.name, B_MEDIA_NAME_LENGTH);
434 		fSupplier->SetFormat(fOutput.format);
442 	FindLatencyFor(fOutput.destination, &fLatency, &id);
445 	size_t sampleSize = fOutput.format.u.raw_audio.format
448 		= fOutput.format.u.raw_audio.buffer_size / sampleSize;
449 	fInternalLatency = estimate_internal_latency(fOutput.format);
456 		* samplesPerBuffer / bigtime_t(fOutput.format.u.raw_audio.frame_rate
457 		* fOutput.format.u.raw_audio.channel_count);
468 		_AllocateBuffers(fOutput.format);
481 	if (where == fOutput.destination && what == fOutput.source) {
482 		fOutput.destination = media_destination::null;
483 		fOutput.format = fPreferredFormat;
504 	if (what == fOutput.source) {
525 				= fOutput.format.u.raw_audio.format
528 				= fOutput.format.u.raw_audio.buffer_size / sampleSize;
530 				= samplesPerBuffer / fOutput.format.u.raw_audio.channel_count;
543 	if (what == fOutput.source)
578 	if (source == fOutput.source && destination == fOutput.destination) {
591 	fOutput.source.port = ControlPort();
592 	fOutput.source.id = 0;
593 	fOutput.node = Node();
594 	::strcpy(fOutput.name, Name());
645 				&& fOutput.destination != media_destination::null) {
650 						err = SendBuffer(buffer, fOutput.source,
651 							fOutput.destination);
656 				size_t sampleSize = fOutput.format.u.raw_audio.format
659 				size_t nFrames = fOutput.format.u.raw_audio.buffer_size
660 					/ (sampleSize * fOutput.format.u.raw_audio.channel_count);
665 						/ double(fOutput.format.u.raw_audio.frame_rate));
702 	ret = BBufferProducer::ProposeFormatChange(format, fOutput.destination);
708 	ret = BBufferProducer::ChangeFormat(fOutput.source, fOutput.destination,
776 	fOutput.format = format;
814 		fOutput.format.u.raw_audio.buffer_size, BufferDuration());
821 				fOutput.format.u.raw_audio.buffer_size, BufferDuration());
827 	size_t sampleSize = fOutput.format.u.raw_audio.format
829 	size_t numSamples = fOutput.format.u.raw_audio.buffer_size / sampleSize;
836 	buffer->SetSizeUsed(fOutput.format.u.raw_audio.buffer_size);
839 	int64 frameCount = numSamples / fOutput.format.u.raw_audio.channel_count;
841 		* 1000000.0 / fOutput.format.u.raw_audio.frame_rate);
843 		* 1000000.0 / fOutput.format.u.raw_audio.frame_rate);
860 	if (init_media_file(fOutput.format, &track) != NULL)
865 		&& fOutput.format.u.raw_audio.format
868 		int32 channels = fOutput.format.u.raw_audio.channel_count;