60 lines
2.1 KiB
C
60 lines
2.1 KiB
C
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///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
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// written by Christian Daniel //
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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 as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 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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#ifndef INCLUDE_AUDIOOUTPUT_H
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#define INCLUDE_AUDIOOUTPUT_H
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#include <QMutex>
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#include "portaudio.h"
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class AudioFifo;
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class AudioOutput {
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private:
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PaStream* m_stream;
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AudioFifo* m_audioFifo;
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int m_sampleRate;
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PaTime m_streamStartTime;
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static int callbackHelper(
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const void* inputBuffer,
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void* outputBuffer,
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unsigned long framesPerBuffer,
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const PaStreamCallbackTimeInfo* timeInfo,
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PaStreamCallbackFlags statusFlags,
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void* userData);
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int callback(
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const void* inputBuffer,
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void* outputBuffer,
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unsigned long framesPerBuffer,
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const PaStreamCallbackTimeInfo* timeInfo,
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PaStreamCallbackFlags statusFlags);
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public:
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AudioOutput();
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~AudioOutput();
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bool start(int device, int rate, AudioFifo* audioFifo);
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void stop();
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int bufferedSamples();
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};
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#endif // INCLUDE_AUDIOOUTPUT_H
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