/////////////////////////////////////////////////////////////////////////////////// // Copyright (C) 2016 Edouard Griffiths, F4EXB // // // // This program is free software; you can redistribute it and/or modify // // it under the terms of the GNU General Public License as published by // // the Free Software Foundation as version 3 of the License, or // // (at your option) any later version. // // // // This program is distributed in the hope that it will be useful, // // but WITHOUT ANY WARRANTY; without even the implied warranty of // // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // // GNU General Public License V3 for more details. // // // // You should have received a copy of the GNU General Public License // // along with this program. If not, see . // /////////////////////////////////////////////////////////////////////////////////// #ifndef SDRBASE_AUDIO_AUDIOINPUT_H_ #define SDRBASE_AUDIO_AUDIOINPUT_H_ #include #include #include #include #include #include "export.h" class QAudioInput; class AudioFifo; class AudioOutputPipe; class SDRBASE_API AudioInput : public QIODevice { public: AudioInput(); virtual ~AudioInput(); bool start(int device, int rate); void stop(); void addFifo(AudioFifo* audioFifo); void removeFifo(AudioFifo* audioFifo); int getNbFifos() const { return m_audioFifos.size(); } uint getRate() const { return m_audioFormat.sampleRate(); } void setOnExit(bool onExit) { m_onExit = onExit; } void setVolume(float volume) { m_volume = volume; } private: QMutex m_mutex; QAudioInput* m_audioInput; uint m_audioUsageCount; bool m_onExit; float m_volume; std::list m_audioFifos; std::vector m_mixBuffer; QAudioFormat m_audioFormat; //virtual bool open(OpenMode mode); virtual qint64 readData(char* data, qint64 maxLen); virtual qint64 writeData(const char* data, qint64 len); friend class AudioOutputPipe; }; #endif /* SDRBASE_AUDIO_AUDIOINPUT_H_ */