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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#if !defined(SCUMM_IMUSE_DIGI_MIXER_H) && defined(ENABLE_SCUMM_7_8)
#define SCUMM_IMUSE_DIGI_MIXER_H
#include "common/scummsys.h"
#include "common/mutex.h"
#include "common/serializer.h"
#include "common/textconsole.h"
#include "common/util.h"
#include "scumm/imuse_digi/dimuse_engine.h"
#include "scumm/music.h"
#include "scumm/sound.h"
#include "audio/mixer.h"
#include "audio/audiostream.h"
namespace Audio {
class AudioStream;
class Mixer;
class QueuingAudioStream;
}
namespace Scumm {
class IMuseDigiInternalMixer {
private:
int32 *_amp8Table = nullptr;
int32 *_amp12Table = nullptr;
int32 *_softLMID = nullptr;
int32 *_softLTable = nullptr;
uint8 *_mixBuf = nullptr;
Audio::Mixer *_mixer;
Audio::SoundHandle _channelHandle;
int _mixBufSize = 0;
int _radioChatter = 0;
int _outWordSize = 0;
int _outChannelCount = 0;
int _sampleRate = 0;
int _stereoReverseFlag = 0;
bool _isEarlyDiMUSE = false;
bool _lowLatencyMode = false;
void mixBits8Mono(uint8 *srcBuf, int32 inFrameCount, int feedSize, int32 mixBufStartIndex, int32 *ampTable, bool ftIs11025Hz);
void mixBits12Mono(uint8 *srcBuf, int32 inFrameCount, int feedSize, int32 mixBufStartIndex, int32 *ampTable);
void mixBits16Mono(uint8 *srcBuf, int32 inFrameCount, int feedSize, int32 mixBufStartIndex, int32 *ampTable);
void mixBits8ConvertToMono(uint8 *srcBuf, int32 inFrameCount, int feedSize, int32 mixBufStartIndex, int32 *ampTable);
void mixBits12ConvertToMono(uint8 *srcBuf, int32 inFrameCount, int feedSize, int32 mixBufStartIndex, int32 *ampTable);
void mixBits16ConvertToMono(uint8 *srcBuf, int32 inFrameCount, int feedSize, int32 mixBufStartIndex, int32 *ampTable);
void mixBits8ConvertToStereo(uint8 *srcBuf, int32 inFrameCount, int feedSize, int32 mixBufStartIndex, int32 *leftAmpTable, int32 *rightAmpTable, bool ftIs11025Hz);
void mixBits12ConvertToStereo(uint8 *srcBuf, int32 inFrameCount, int feedSize, int32 mixBufStartIndex, int32 *leftAmpTable, int32 *rightAmpTable);
void mixBits16ConvertToStereo(uint8 *srcBuf, int32 inFrameCount, int feedSize, int32 mixBufStartIndex, int32 *leftAmpTable, int32 *rightAmpTable);
void mixBits8Stereo(uint8 *srcBuf, int32 inFrameCount, int feedSize, int32 mixBufStartIndex, int32 *ampTable);
void mixBits12Stereo(uint8 *srcBuf, int32 inFrameCount, int feedSize, int32 mixBufStartIndex, int32 *ampTable);
void mixBits16Stereo(uint8 *srcBuf, int32 inFrameCount, int feedSize, int32 mixBufStartIndex, int32 *ampTable);
public:
IMuseDigiInternalMixer(Audio::Mixer *mixer, int sampleRate, bool isEarlyDiMUSE, bool lowLatencyMode = false);
~IMuseDigiInternalMixer();
int init(int bytesPerSample, int numChannels, uint8 *mixBuf, int mixBufSize, int sizeSampleKB, int mixChannelsNum);
void setRadioChatter();
void clearRadioChatter();
int clearMixerBuffer();
void mix(uint8 *srcBuf, int32 inFrameCount, int wordSize, int channelCount, int feedSize, int32 mixBufStartIndex, int volume, int pan, bool ftIs11025Hz);
int loop(uint8 **destBuffer, int len);
Audio::QueuingAudioStream *_stream;
// For low latency audio
void setCurrentMixerBuffer(uint8 *newBuf);
void endStream(int idx);
Audio::QueuingAudioStream *getStream(int idx);
Audio::QueuingAudioStream *_separateStreams[DIMUSE_MAX_TRACKS];
Audio::SoundHandle _separateChannelHandles[DIMUSE_MAX_TRACKS];
};
} // End of namespace Scumm
#endif
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