mirror of
https://github.com/f4exb/sdrangel.git
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163 lines
5.2 KiB
C++
163 lines
5.2 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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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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// Copyright (C) 2015-2020, 2023 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
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// Copyright (C) 2020, 2022 Jon Beniston, M7RCE <jon@beniston.com> //
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// Copyright (C) 2022 Jiří Pinkava <jiri.pinkava@rossum.ai> //
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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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// (at your option) any later version. //
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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 SDRBASE_AUDIO_AUDIOINPUTDEVICE_H_
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#define SDRBASE_AUDIO_AUDIOINPUTDEVICE_H_
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#include <QRecursiveMutex>
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#include <QIODevice>
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#include <QAudioFormat>
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#include <list>
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#include <vector>
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#include "export.h"
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#include "util/message.h"
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#include "util/messagequeue.h"
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#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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class QAudioSource;
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#else
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class QAudioInput;
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#endif
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class AudioFifo;
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class AudioOutputPipe;
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class SDRBASE_API AudioInputDevice : public QIODevice {
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Q_OBJECT
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public:
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class MsgStart : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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int getDeviceIndex() const { return m_deviceIndex; }
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int getSampleRate() const { return m_sampleRate; }
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static MsgStart* create(int deviceIndex, int sampleRate) {
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return new MsgStart(deviceIndex, sampleRate);
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}
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private:
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int m_deviceIndex;
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int m_sampleRate;
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MsgStart(int deviceIndex, int sampleRate) :
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Message(),
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m_deviceIndex(deviceIndex),
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m_sampleRate(sampleRate)
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{ }
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};
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class MsgStop : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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static MsgStop* create() {
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return new MsgStop();
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}
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private:
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MsgStop() :
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Message()
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{ }
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};
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class MsgReportSampleRate : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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int getDeviceIndex() const { return m_deviceIndex; }
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const QString& getDeviceName() const { return m_deviceName; }
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int getSampleRate() const { return m_sampleRate; }
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static MsgReportSampleRate* create(int deviceIndex, const QString& deviceName, int sampleRate) {
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return new MsgReportSampleRate(deviceIndex, deviceName, sampleRate);
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}
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private:
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int m_deviceIndex;
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QString m_deviceName;
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int m_sampleRate;
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MsgReportSampleRate(int deviceIndex, const QString& deviceName, int sampleRate) :
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Message(),
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m_deviceIndex(deviceIndex),
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m_deviceName(deviceName),
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m_sampleRate(sampleRate)
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{ }
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};
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AudioInputDevice();
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virtual ~AudioInputDevice();
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bool startDirect(int deviceIndex, int sampleRate) {
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return start(deviceIndex, sampleRate);
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}
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void stopDirect() {
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stop();
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}
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void addFifo(AudioFifo* audioFifo);
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void removeFifo(AudioFifo* audioFifo);
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int getNbFifos() const { return m_audioFifos.size(); }
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uint getRate() const { return m_audioFormat.sampleRate(); }
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void setOnExit(bool onExit) { m_onExit = onExit; }
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void setVolume(float volume);
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void setDeviceName(const QString& deviceName) { m_deviceName = deviceName;}
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MessageQueue *getInputMessageQueue() { return &m_inputMessageQueue; }
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void setManagerMessageQueue(MessageQueue *messageQueue) { m_managerMessageQueue = messageQueue; }
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private:
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QRecursiveMutex m_mutex;
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#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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QAudioSource* m_audioInput;
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#else
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QAudioInput* m_audioInput;
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#endif
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uint m_audioUsageCount;
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bool m_onExit;
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float m_volume;
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std::list<AudioFifo*> m_audioFifos;
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std::vector<qint32> m_mixBuffer;
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QAudioFormat m_audioFormat;
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QString m_deviceName;
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MessageQueue m_inputMessageQueue;
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MessageQueue *m_managerMessageQueue;
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//virtual bool open(OpenMode mode);
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virtual qint64 readData(char* data, qint64 maxLen);
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virtual qint64 writeData(const char* data, qint64 len);
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bool handleMessage(const Message& cmd);
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bool start(int deviceIndex, int sampleRate);
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void stop();
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friend class AudioOutputPipe;
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private slots:
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void handleInputMessages();
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};
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#endif /* SDRBASE_AUDIO_AUDIOINPUTDEVICE_H_ */
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