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https://github.com/qTox/qTox.git
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15917d1a01
It compiles with modified OpenAL (unchanged logic otherwise), but effectiveness needs testing (like uTox)
97 lines
3.3 KiB
C++
97 lines
3.3 KiB
C++
/*
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Copyright (C) 2014 by Project Tox <https://tox.im>
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This file is part of qTox, a Qt-based graphical interface for Tox.
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This program is libre 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, either version 3 of the License, or
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(at your option) any later version.
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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.
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See the COPYING file for more details.
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*/
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#ifndef AUDIO_H
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#define AUDIO_H
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#include <QObject>
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#include <QHash>
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#include <atomic>
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#if defined(__APPLE__) && defined(__MACH__)
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#include <OpenAL/al.h>
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#include <OpenAL/alc.h>
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#else
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#include <AL/al.h>
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#include <AL/alc.h>
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#endif
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class QString;
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class QByteArray;
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class QTimer;
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class QThread;
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class QMutex;
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struct Tox;
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class AudioFilterer;
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class Audio : QObject
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{
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Q_OBJECT
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public:
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static Audio& getInstance(); ///< Returns the singleton's instance. Will construct on first call.
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static void suscribeInput(); ///< Call when you need to capture sound from the open input device.
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static void unsuscribeInput(); ///< Call once you don't need to capture on the open input device anymore.
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static void openInput(const QString& inDevDescr); ///< Open an input device, use before suscribing
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static void openOutput(const QString& outDevDescr); ///< Open an output device
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static void closeInput(); ///< Close an input device, please don't use unless everyone's unsuscribed
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static void closeOutput(); ///< Close an output device
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static bool isInputReady(); ///< Returns true if the input device is open and suscribed to
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static bool isOutputClosed(); ///< Returns true if the output device is open
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static void playMono16Sound(const QByteArray& data); ///< Play a 44100Hz mono 16bit PCM sound
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static bool tryCaptureSamples(uint8_t* buf, int framesize); ///< Does nothing and return false on failure
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/// May be called from any thread, will always queue a call to playGroupAudio
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/// The first and last argument are ignored, but allow direct compatibility with toxcore
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static void playGroupAudioQueued(Tox*, int group, int peer, const int16_t* data,
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unsigned samples, uint8_t channels, unsigned sample_rate, void*);
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#ifdef QTOX_FILTER_AUDIO
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static void getEchoesToFilter(AudioFilterer* filter, int framesize);
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// is a null op #ifndef ALC_LOOPBACK_CAPTURE_SAMPLES
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#endif
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public slots:
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/// Must be called from the audio thread, plays a group call's received audio
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void playGroupAudio(int group, int peer, const int16_t* data,
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unsigned samples, uint8_t channels, unsigned sample_rate);
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public:
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static QThread* audioThread;
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static ALCcontext* alContext;
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static ALuint alMainSource;
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static float outputVolume;
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private:
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explicit Audio()=default;
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~Audio();
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static void playAudioBuffer(ALuint alSource, const int16_t *data, int samples, unsigned channels, int sampleRate);
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private:
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static Audio* instance;
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static std::atomic<int> userCount;
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static ALCdevice* alOutDev, *alInDev;
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static QMutex* audioInLock, *audioOutLock;
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};
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#endif // AUDIO_H
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