view src/portaudio_20140130/bindings/cpp/source/portaudiocpp/AsioDeviceAdapter.cxx @ 83:ae30d91d2ffe

Replace these with versions built using an older toolset (so as to avoid ABI compatibilities when linking on Ubuntu 14.04 for packaging purposes)
author Chris Cannam
date Fri, 07 Feb 2020 11:51:13 +0000
parents 7ddb4fc30dac
children
line wrap: on
line source
#include "portaudiocpp/AsioDeviceAdapter.hxx"

#include "portaudio.h"
#include "pa_asio.h"

#include "portaudiocpp/Device.hxx"
#include "portaudiocpp/HostApi.hxx"
#include "portaudiocpp/Exception.hxx"

namespace portaudio
{
	AsioDeviceAdapter::AsioDeviceAdapter(Device &device)
	{
		if (device.hostApi().typeId() != paASIO)
			throw PaCppException(PaCppException::UNABLE_TO_ADAPT_DEVICE);

		device_ = &device;

		PaError err = PaAsio_GetAvailableLatencyValues(device_->index(), &minBufferSize_, &maxBufferSize_, 
			&preferredBufferSize_, &granularity_);

		if (err != paNoError)
			throw PaException(err);

	}

	Device &AsioDeviceAdapter::device()
	{
		return *device_;
	}

	long AsioDeviceAdapter::minBufferSize() const
	{
		return minBufferSize_;
	}

	long AsioDeviceAdapter::maxBufferSize() const
	{
		return maxBufferSize_;
	}

	long AsioDeviceAdapter::preferredBufferSize() const
	{
		return preferredBufferSize_;
	}

	long AsioDeviceAdapter::granularity() const
	{
		return granularity_;
	}

	void AsioDeviceAdapter::showControlPanel(void *systemSpecific)
	{
		PaError err = PaAsio_ShowControlPanel(device_->index(), systemSpecific);

		if (err != paNoError)
			throw PaException(err);
	}

	const char *AsioDeviceAdapter::inputChannelName(int channelIndex) const
	{
		const char *channelName;
		PaError err = PaAsio_GetInputChannelName(device_->index(), channelIndex, &channelName);

		if (err != paNoError)
			throw PaException(err);

		return channelName;
	}

	const char *AsioDeviceAdapter::outputChannelName(int channelIndex) const
	{
		const char *channelName;
		PaError err = PaAsio_GetOutputChannelName(device_->index(), channelIndex, &channelName);

		if (err != paNoError)
			throw PaException(err);

		return channelName;
	}
}