106 lines
4.1 KiB
C++
106 lines
4.1 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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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, either 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 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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*/
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#if !defined(SCUMM_IMUSE_DIGI_MIXER_H) && defined(ENABLE_SCUMM_7_8)
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#define SCUMM_IMUSE_DIGI_MIXER_H
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#include "common/scummsys.h"
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#include "common/mutex.h"
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#include "common/serializer.h"
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#include "common/textconsole.h"
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#include "common/util.h"
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#include "scumm/imuse_digi/dimuse_engine.h"
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#include "scumm/music.h"
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#include "scumm/sound.h"
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#include "audio/mixer.h"
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#include "audio/audiostream.h"
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namespace Audio {
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class AudioStream;
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class Mixer;
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class QueuingAudioStream;
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}
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namespace Scumm {
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class IMuseDigiInternalMixer {
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private:
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int32 *_amp8Table = nullptr;
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int32 *_amp12Table = nullptr;
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int32 *_softLMID = nullptr;
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int32 *_softLTable = nullptr;
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uint8 *_mixBuf = nullptr;
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Audio::Mixer *_mixer;
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Audio::SoundHandle _channelHandle;
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int _mixBufSize = 0;
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int _radioChatter = 0;
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int _outWordSize = 0;
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int _outChannelCount = 0;
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int _sampleRate = 0;
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int _stereoReverseFlag = 0;
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bool _isEarlyDiMUSE = false;
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bool _lowLatencyMode = false;
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void mixBits8Mono(uint8 *srcBuf, int32 inFrameCount, int feedSize, int32 mixBufStartIndex, int32 *ampTable, bool ftIs11025Hz);
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void mixBits12Mono(uint8 *srcBuf, int32 inFrameCount, int feedSize, int32 mixBufStartIndex, int32 *ampTable);
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void mixBits16Mono(uint8 *srcBuf, int32 inFrameCount, int feedSize, int32 mixBufStartIndex, int32 *ampTable);
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void mixBits8ConvertToMono(uint8 *srcBuf, int32 inFrameCount, int feedSize, int32 mixBufStartIndex, int32 *ampTable);
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void mixBits12ConvertToMono(uint8 *srcBuf, int32 inFrameCount, int feedSize, int32 mixBufStartIndex, int32 *ampTable);
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void mixBits16ConvertToMono(uint8 *srcBuf, int32 inFrameCount, int feedSize, int32 mixBufStartIndex, int32 *ampTable);
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void mixBits8ConvertToStereo(uint8 *srcBuf, int32 inFrameCount, int feedSize, int32 mixBufStartIndex, int32 *leftAmpTable, int32 *rightAmpTable, bool ftIs11025Hz);
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void mixBits12ConvertToStereo(uint8 *srcBuf, int32 inFrameCount, int feedSize, int32 mixBufStartIndex, int32 *leftAmpTable, int32 *rightAmpTable);
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void mixBits16ConvertToStereo(uint8 *srcBuf, int32 inFrameCount, int feedSize, int32 mixBufStartIndex, int32 *leftAmpTable, int32 *rightAmpTable);
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void mixBits8Stereo(uint8 *srcBuf, int32 inFrameCount, int feedSize, int32 mixBufStartIndex, int32 *ampTable);
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void mixBits12Stereo(uint8 *srcBuf, int32 inFrameCount, int feedSize, int32 mixBufStartIndex, int32 *ampTable);
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void mixBits16Stereo(uint8 *srcBuf, int32 inFrameCount, int feedSize, int32 mixBufStartIndex, int32 *ampTable);
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public:
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IMuseDigiInternalMixer(Audio::Mixer *mixer, int sampleRate, bool isEarlyDiMUSE, bool lowLatencyMode = false);
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~IMuseDigiInternalMixer();
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int init(int bytesPerSample, int numChannels, uint8 *mixBuf, int mixBufSize, int sizeSampleKB, int mixChannelsNum);
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void setRadioChatter();
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void clearRadioChatter();
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int clearMixerBuffer();
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void mix(uint8 *srcBuf, int32 inFrameCount, int wordSize, int channelCount, int feedSize, int32 mixBufStartIndex, int volume, int pan, bool ftIs11025Hz);
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int loop(uint8 **destBuffer, int len);
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Audio::QueuingAudioStream *_stream;
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// For low latency audio
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void setCurrentMixerBuffer(uint8 *newBuf);
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void endStream(int idx);
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Audio::QueuingAudioStream *getStream(int idx);
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Audio::QueuingAudioStream *_separateStreams[DIMUSE_MAX_TRACKS];
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Audio::SoundHandle _separateChannelHandles[DIMUSE_MAX_TRACKS];
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};
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} // End of namespace Scumm
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#endif
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