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/***************************************************************************
* Copyright (C) 2014-2020 by Ilya Kotov *
* forkotov02@ya.ru *
* *
* 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; either version 2 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 for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef OUTPUTDIRECTSOUND_H
#define OUTPUTDIRECTSOUND_H
#include <stdio.h>
#include <windows.h>
#include <ksmedia.h>
#include <mmreg.h>
#include <dsound.h>
#include <qmmp/volume.h>
#include <qmmp/output.h>
class VolumeDirectSound;
/**
@author Ilya Kotov <forkotov02@ya.ru>
*/
class OutputDirectSound : public Output
{
public:
OutputDirectSound();
~OutputDirectSound();
bool initialize(quint32, ChannelMap map, Qmmp::AudioFormat format) override;
//output api
qint64 latency() override;
qint64 writeAudio(unsigned char *data, qint64 size) override;
void drain() override;
void suspend() override;
void resume() override;
void reset() override;
//volume control
static OutputDirectSound *instance;
static VolumeDirectSound *volumeControl;
IDirectSoundBuffer8 *secondaryBuffer();
private:
// helper functions
void status();
void uninitialize();
DWORD bytesToWrite();
IDirectSound8 *m_ds = nullptr;
IDirectSoundBuffer *m_primaryBuffer = nullptr;
IDirectSoundBuffer8 *m_dsBuffer = nullptr;
DWORD m_dsBufferAt = 0;
typedef struct
{
Qmmp::ChannelPosition pos;
DWORD chan_mask;
} DSoundChannels;
static DSoundChannels m_dsound_pos[10];
qint64 m_latency = 0;
qint32 m_bytesPerSecond = 0;
bool m_reset = false;
};
/**
@author Ilya Kotov <forkotov02@ya.ru>
*/
class VolumeDirectSound : public Volume
{
public:
VolumeDirectSound();
~VolumeDirectSound();
void setVolume(const VolumeSettings &vol) override;
VolumeSettings volume() const override;
void restore();
private:
VolumeSettings m_volume;
};
#endif // OUTPUTDIRECTSOUND_H
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