media-add-ons/reader/MediaReader.cpp

7 // It reads any file and produces one output,
66 	strncpy(output.name,"MediaReader Output",B_MEDIA_NAME_LENGTH-1);
67 	output.name[B_MEDIA_NAME_LENGTH-1] = '\0';
68 	// initialize the output
69 	output.node = media_node::null;     // until registration
70 	output.source = media_source::null; // until registration
71 	output.destination = media_destination::null;
72 	GetFormat(&output.format);
116 	output.node = Node();
117 	output.source.id = 0;
118 	output.source.port = output.node.port; // same as ControlPort();
141 	if (output.destination == media_destination::null) {
143 		GetFormat(&output.format);
144 		AddRequirements(&output.format);
152 	if (format_is_acceptible(format,output.format)) {
159 	//	status = this->BBufferConsumer::RequestFormatChange(output.source,output.destination,&format,&change_tag);
188 	media_destination outputDestination = output.destination;
189 	status = roster->Disconnect(output.source.id,output.source,
190 							    output.destination.id,output.destination);
197 	status = roster->Connect(output.source,outputDestination,
244 	if (output.source != output_source) {
246 		return B_MEDIA_BAD_SOURCE; // we only have one output so that better be it
280 	if (output.source != source) {
306 	// so next time they won't get the same output again
308 	*out_output = output;
328 	if (output.source != for_source) {
330 		return B_MEDIA_BAD_SOURCE; // we only have one output so that better be it
343 		FindLatencyFor(output.destination, &fDownstreamLatency, &id);
360 		fBufferGroup = new BBufferGroup(output.format.u.multistream.max_chunk_size,count);
413 	if (output.source != what) {
417 	if (output.destination != media_destination::null) {
422 	status_t status = FormatChangeRequested(output.source,where,format,0);
434 	*out_source = output.source;
435 	output.destination = where;
436 	strncpy(out_name,output.name,B_MEDIA_NAME_LENGTH-1);
453 		output.destination = media_destination::null;
454 		GetFormat(&output.format);
457 	if (output.source != source) {
459 		output.destination = media_destination::null;
460 		GetFormat(&output.format);
465 	output.destination = destination;
466 	output.format = format;
467 	strncpy(io_name,output.name,B_MEDIA_NAME_LENGTH-1);
472 	FindLatencyFor(output.destination, &fDownstreamLatency, &id);
476 	                     * output.format.u.multistream.max_chunk_size
477 			             / output.format.u.multistream.max_bit_rate);
480 			output.format.u.multistream.max_chunk_size,
481 			output.format.u.multistream.max_bit_rate,fBufferPeriod);
485 		status_t status = SetBufferGroup(output.source,0);
488 			output.destination = media_destination::null;
489 			GetFormat(&output.format);
499 		uint8 * data = new uint8[output.format.u.multistream.max_chunk_size];
506 					output.format.u.multistream.max_chunk_size,fBufferPeriod);
512 						data, output.format.u.multistream.max_chunk_size);
543 	if (output.destination != where) {
547 	if (output.source != what) {
552 	output.destination = media_destination::null;
553 	GetFormat(&output.format);
569 	if (what == output.source) {
597 					GetCurrentFile()->Seek(output.format.u.multistream.max_chunk_size,SEEK_CUR);
616 	if (output.source != what) {
641 	if (output.source == source) {
648 		SendBuffer(buffer, output.source, output.destination);
660 	if ((output.source == source) && (output.destination == destination)) {
680 	if (output.destination == media_destination::null)
684 	BBuffer * buffer = fBufferGroup->RequestBuffer(output.format.u.multistream.max_chunk_size,fBufferPeriod);
692 				status = SendBuffer(buffer, output.source, output.destination);
715 	return SendDataStatus(event->data,output.destination,event->event_time);
735 	outInfo->out_format_count = 1; // 1 output
768 	BBuffer * buffer = fBufferGroup->RequestBuffer(output.format.u.multistream.max_chunk_size,-1);