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96 lines
2.6 KiB
C++
96 lines
2.6 KiB
C++
/*
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Copyright (c) 2015, Dimitri Diakopoulos All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef AUDIO_DEVICE_H
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#define AUDIO_DEVICE_H
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// This file implements a simple sound file player based on RtAudio for testing / example purposes.
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#include "Common.h"
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#include "RingBuffer.h"
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#include "rtaudio/RtAudio.h"
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#include <iostream>
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#include <memory>
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namespace nqr
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{
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const unsigned int FRAME_SIZE = 512;
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const int CHANNELS = 2;
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const int BUFFER_LENGTH = FRAME_SIZE * CHANNELS;
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struct DeviceInfo
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{
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int id;
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int numChannels;
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int sampleRate;
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unsigned int frameSize;
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bool isPlaying = false;
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};
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class AudioDevice
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{
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NO_MOVE(AudioDevice);
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std::unique_ptr<RtAudio> rtaudio;
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public:
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DeviceInfo info;
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static void ListAudioDevices();
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AudioDevice(int numChannels, int sampleRate, int deviceId = -1)
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{
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rtaudio = std::unique_ptr<RtAudio>(new RtAudio);
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info.id = deviceId != -1 ? deviceId : rtaudio->getDefaultOutputDevice();
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info.numChannels = numChannels;
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info.sampleRate = sampleRate;
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info.frameSize = FRAME_SIZE;
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}
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~AudioDevice()
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{
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if (rtaudio)
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{
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rtaudio->stopStream();
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if (rtaudio->isStreamOpen())
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rtaudio->closeStream();
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}
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}
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bool Open(const int deviceId);
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bool Play(const std::vector<float> & data);
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};
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} // end namespace nqr
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#endif
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