mirror of https://github.com/qTox/qTox
84 lines
2.3 KiB
C++
84 lines
2.3 KiB
C++
/*
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Copyright © 2014-2019 by The qTox Project Contributors
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This file is part of qTox, a Qt-based graphical interface for Tox.
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qTox 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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qTox 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 for more details.
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You should have received a copy of the GNU General Public License
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along with qTox. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef OPENAL2_H
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#define OPENAL2_H
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#include "src/audio/iaudiocontrol.h"
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#include "src/audio/backend/openal.h"
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#include <atomic>
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#include <cmath>
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#include <QMutex>
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#include <QObject>
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#include <QTimer>
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#include <cassert>
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#include <AL/al.h>
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#include <AL/alc.h>
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#include <AL/alext.h>
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extern "C"
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{
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#include <filter_audio.h>
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}
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// needed because Ubuntu 14.04 lacks the AL_SOFT_source_latency extension
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#ifndef AL_SOFT_source_latency
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#define AL_SAMPLE_OFFSET_LATENCY_SOFT 0x1200
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#define AL_SEC_OFFSET_LATENCY_SOFT 0x1201
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extern "C" typedef void(AL_APIENTRY* LPALGETSOURCEDVSOFT)(ALuint, ALenum, const ALdouble*);
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#endif
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class OpenAL2 : public OpenAL
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{
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Q_OBJECT
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public:
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OpenAL2();
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protected:
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bool initInput(const QString& deviceName) override;
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bool initOutput(const QString& outDevDescr) override;
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void cleanupOutput() override;
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void playMono16SoundCleanup();
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void doOutput() override;
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bool loadOpenALExtensions(ALCdevice* dev);
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bool initOutputEchoCancel();
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void captureSamples(ALCdevice* device, int16_t* buffer, ALCsizei samples) override;
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private:
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ALCdevice* alProxyDev;
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ALCcontext* alProxyContext;
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ALuint alProxySource;
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ALuint alProxyBuffer;
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bool echoCancelSupported = false;
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Filter_Audio* filterer = nullptr;
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LPALCLOOPBACKOPENDEVICESOFT alcLoopbackOpenDeviceSOFT = nullptr;
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LPALCISRENDERFORMATSUPPORTEDSOFT alcIsRenderFormatSupportedSOFT = nullptr;
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LPALGETSOURCEDVSOFT alGetSourcedvSOFT = nullptr;
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LPALCRENDERSAMPLESSOFT alcRenderSamplesSOFT = nullptr;
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};
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#endif // OPENAL2_H
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