61 lines
2.1 KiB
C++
61 lines
2.1 KiB
C++
//=========================================================================
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// Name: PortAudioDevice.h
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// Purpose: Defines the interface to a PortAudio device.
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//
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// Authors: Mooneer Salem
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// License:
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//
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// All rights reserved.
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2.1,
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// as published by the Free Software Foundation. This program is
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// distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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// License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, see <http://www.gnu.org/licenses/>.
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//
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//=========================================================================
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#ifndef PORT_AUDIO_DEVICE_H
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#define PORT_AUDIO_DEVICE_H
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#include "portaudio.h"
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#include "IAudioEngine.h"
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#include "IAudioDevice.h"
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#include "PortAudioInterface.h"
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class PortAudioDevice : public IAudioDevice
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{
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public:
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virtual ~PortAudioDevice();
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virtual int getNumChannels() override { return numChannels_; }
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virtual int getSampleRate() const override { return sampleRate_; }
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virtual void start() override;
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virtual void stop() override;
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virtual bool isRunning() override;
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protected:
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// PortAudioDevice cannot be created directly, only via PortAudioEngine.
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friend class PortAudioEngine;
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PortAudioDevice(std::shared_ptr<PortAudioInterface> library, int deviceId, IAudioEngine::AudioDirection direction, int sampleRate, int numChannels);
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private:
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int deviceId_;
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IAudioEngine::AudioDirection direction_;
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int sampleRate_;
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int numChannels_;
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PaStream* deviceStream_;
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std::shared_ptr<PortAudioInterface> portAudioLibrary_;
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static int OnPortAudioStreamCallback_(const void *input, void *output, unsigned long frameCount, const PaStreamCallbackTimeInfo *timeInfo, PaStreamCallbackFlags statusFlags, void *userData);
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};
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#endif // PORT_AUDIO_DEVICE_H
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