mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-29 05:03:29 +00:00
175 lines
4.0 KiB
C++
175 lines
4.0 KiB
C++
/* 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 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.
|
|
*
|
|
*/
|
|
|
|
// Music class
|
|
|
|
#ifndef TINSEL_MUSIC_H
|
|
#define TINSEL_MUSIC_H
|
|
|
|
#include "audio/midiplayer.h"
|
|
#include "audio/audiostream.h"
|
|
#include "audio/mixer.h"
|
|
#include "common/mutex.h"
|
|
|
|
class MidiParser;
|
|
|
|
namespace Tinsel {
|
|
|
|
bool PlayMidiSequence( // Plays the specified MIDI sequence through the sound driver
|
|
uint32 dwFileOffset, // handle of MIDI sequence data
|
|
bool bLoop); // Whether to loop the sequence
|
|
|
|
bool MidiPlaying(); // Returns TRUE if a Midi tune is currently playing
|
|
|
|
bool StopMidi(); // Stops any currently playing midi
|
|
|
|
void SetMidiVolume( // Sets the volume of the MIDI music. Returns the old volume
|
|
int vol); // new volume - 0..MAXMIDIVOL
|
|
|
|
int GetMidiVolume();
|
|
|
|
void OpenMidiFiles();
|
|
void DeleteMidiBuffer();
|
|
|
|
void CurrentMidiFacts(SCNHANDLE *pMidi, bool *pLoop);
|
|
void RestoreMidiFacts(SCNHANDLE Midi, bool Loop);
|
|
|
|
int GetTrackNumber(SCNHANDLE hMidi);
|
|
SCNHANDLE GetTrackOffset(int trackNumber);
|
|
|
|
void dumpMusic();
|
|
|
|
class MidiMusicPlayer : public Audio::MidiPlayer {
|
|
public:
|
|
MidiMusicPlayer();
|
|
|
|
virtual void setVolume(int volume);
|
|
|
|
void playMIDI(uint32 size, bool loop);
|
|
|
|
// void stop();
|
|
void pause();
|
|
void resume();
|
|
|
|
// MidiDriver_BASE interface implementation
|
|
virtual void send(uint32 b);
|
|
|
|
// The original sets the "sequence timing" to 109 Hz, whatever that
|
|
// means. The default is 120.
|
|
uint32 getBaseTempo() { return _driver ? (109 * _driver->getBaseTempo()) / 120 : 0; }
|
|
|
|
private:
|
|
void playXMIDI(uint32 size, bool loop);
|
|
void playSEQ(uint32 size, bool loop);
|
|
};
|
|
|
|
class PCMMusicPlayer : public Audio::AudioStream {
|
|
public:
|
|
PCMMusicPlayer();
|
|
~PCMMusicPlayer();
|
|
|
|
bool isPlaying() const;
|
|
|
|
bool isDimmed() const;
|
|
|
|
void getTunePlaying(void *voidPtr, int length);
|
|
void restoreThatTune(void *voidPtr);
|
|
|
|
void setMusicSceneDetails(SCNHANDLE hScript, SCNHANDLE hSegment, const char *fileName);
|
|
|
|
void setVolume(int volume);
|
|
|
|
void startPlay(int id);
|
|
void stopPlay();
|
|
|
|
bool getMusicTinselDimmed() const;
|
|
void dim(bool bTinselDim);
|
|
void unDim(bool bTinselUnDim);
|
|
void dimIteration();
|
|
|
|
void startFadeOut(int ticks);
|
|
void fadeOutIteration();
|
|
|
|
int readBuffer(int16 *buffer, const int numSamples);
|
|
bool isStereo() const { return false; }
|
|
bool endOfData() const { return _end; }
|
|
bool endOfStream() const { return false; }
|
|
int getRate() const { return 22050; }
|
|
|
|
protected:
|
|
enum State {
|
|
S_IDLE,
|
|
S_NEW,
|
|
S_MID,
|
|
S_END1,
|
|
S_END2,
|
|
S_END3,
|
|
S_NEXT,
|
|
S_STOP
|
|
};
|
|
|
|
struct MusicSegment {
|
|
uint32 numChannels;
|
|
uint32 bitsPerSec;
|
|
uint32 bitsPerSample;
|
|
uint32 sampleLength;
|
|
uint32 sampleOffset;
|
|
};
|
|
|
|
Audio::SoundHandle _handle;
|
|
Audio::AudioStream *_curChunk;
|
|
Common::Mutex _mutex;
|
|
|
|
bool _end;
|
|
|
|
int _silenceSamples;
|
|
|
|
State _state, _mState;
|
|
bool _forcePlay;
|
|
int32 _scriptNum;
|
|
int32 _scriptIndex;
|
|
SCNHANDLE _hScript;
|
|
SCNHANDLE _hSegment;
|
|
Common::String _filename;
|
|
|
|
uint8 _volume;
|
|
|
|
bool _dimmed;
|
|
bool _dimmedTinsel;
|
|
uint8 _dimmedVolume;
|
|
int _dimIteration;
|
|
int _dimPosition;
|
|
|
|
uint8 _fadeOutVolume;
|
|
int _fadeOutIteration;
|
|
|
|
void play();
|
|
void stop();
|
|
void setVol(uint8 volume);
|
|
|
|
bool getNextChunk();
|
|
};
|
|
|
|
} // End of namespace Tinsel
|
|
|
|
#endif
|