audio/usb/Stream.cpp

60 			TRACE(INF, "Ignore alternate %d - zero format description.\n", i);
66 			TRACE(ERR, "Ignore alternate %d - format type %#02x "
79 				TRACE(ERR, "Ignore alternate %d - format %#04x is not "
84 		TypeIFormatDescriptor* format
87 		if (format->fNumChannels > 2) {
89 				"is not supported.\n", i, format->fNumChannels);
94 			switch(format->fBitResolution) {
97 					"is not supported.\n", i, format->fBitResolution);
104 		uint16 chxRes = format->fNumChannels * 100 + format->fBitResolution;
159 	TypeIFormatDescriptor* format = static_cast<TypeIFormatDescriptor*>(
163 	uint32 sampleSize = format->fNumChannels * format->fSubframeSize;
300 	TypeIFormatDescriptor* format = static_cast<TypeIFormatDescriptor*>(
303 	size_t bufferSize = format->fNumChannels * format->fSubframeSize;
404 	_multi_format* format = fIsInput ? &Format->input : &Format->output;
405 	format->cvsr = fAlternates[fActiveAlternate]->GetSamplingRate();
406 	format->rate = fAlternates[fActiveAlternate]->GetSamplingRateId(0);
407 	format->format = fAlternates[fActiveAlternate]->GetFormatId();
408 	TRACE(INF, "%s.rate:%d cvsr:%f format:%#08x\n",
410 		format->rate, format->cvsr, format->format);
418 	_multi_format* format = fIsInput ? &Format->input : &Format->output;
420 	if (format->rate == alternate->GetSamplingRateId(0)
421 			&& format->format == alternate->GetFormatId()) {
426 	alternate->SetSamplingRateById(format->rate);
427 	alternate->SetFormatId(format->format);
428 	TRACE(INF, "%s.rate:%d cvsr:%f format:%#08x\n",
430 		format->rate, format->cvsr, format->format);
437 	// layout of buffers should be adjusted after changing sampling rate/format
491 	TypeIFormatDescriptor* format = static_cast<TypeIFormatDescriptor*>(
498 		struct buffer_desc descs[format->fNumChannels];
500 				channel < format->fNumChannels; channel++) {
502 			uint32 stride = format->fSubframeSize * format->fNumChannels;
508 			descs[channel].base += channel * format->fSubframeSize;
520 		List->return_record_channels += format->fNumChannels;
524 		List->return_playback_channels += format->fNumChannels;