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//=========================================================
// MusE
// Linux Music Editor
// $Id: audio.h,v 1.1.1.1 2003/10/29 10:05:15 wschweer Exp $
//
// (C) Copyright 2001 Werner Schweer (ws@seh.de)
//=========================================================
#ifndef __AUDIO_H__
#define __AUDIO_H__
#include <pthread.h>
#include "driver/jackaudio.h"
class AudioPort;
class SndFile;
class AudioNode;
class PluginI;
class SynthI;
class AudioDevice;
class AudioNode;
class AudioDevice;
class WavePart;
class WaveTrack;
enum {
AUDIO_SET_MIXDOWN, AUDIO_RECORD,
AUDIO_ROUTEADD, AUDIO_ROUTESET, AUDIO_ROUTEREMOVE,
AUDIO_VOL, AUDIO_PAN,
AUDIO_ADDPLUGIN,
AUDIO_REMOVE_SYNTHI, AUDIO_ADD_SYNTHI,
AUDIO_SET_SEG_SIZE,
AUDIO_SET_PREFADER, AUDIO_SET_CHANNELS,
AUDIO_SEEK, AUDIO_PLAY,
AUDIO_ADD_PART, AUDIO_CHANGE_PART, AUDIO_REMOVE_PART,
AUDIO_REMOVE_TRACK,
AUDIO_UNDO, AUDIO_REDO,
};
//---------------------------------------------------------
// Msg
//---------------------------------------------------------
struct AudioMsg { // this should be an union
int serialNo;
int id;
SndFile* downmix;
AudioNode* snode;
AudioNode* dnode;
AudioPort* port;
AudioDevice* device;
int ival;
int iival;
double dval;
PluginI* plugin;
SynthI* synth;
WavePart* spart;
WavePart* dpart;
WaveTrack* track;
};
//---------------------------------------------------------
// Audio
//---------------------------------------------------------
class Audio {
int curSamplePos;
void processMsg(const volatile AudioMsg* msg);
volatile bool playState;
bool recordState;
volatile AudioMsg* msg;
int fromThreadFdr;
int fromThreadFdw;
bool _running;
pthread_mutex_t msgMutex;
pthread_mutex_t mutex; // protect sampleTime
double sampleTime;
int samplePos;
public:
Audio();
~Audio();
void process(unsigned long samples);
int pos() { return curSamplePos; }
int curPlayPos();
void start();
void stop(bool);
void setRunning(bool val) { _running = val; }
bool isPlaying() const { return playState; }
void sendMsg(AudioMsg*);
void msgRemoveRoute(AudioNode*, AudioNode*);
void msgAddRoute(AudioNode*, AudioNode*);
void msgSetRoute(AudioNode*, AudioNode*);
void msgAddPlugin(AudioNode*, int idx, PluginI* plugin);
void msgSetMute(AudioNode*, bool val);
void msgSetVolume(AudioNode*, double val);
void msgSetPan(AudioNode*, double val);
void msgAddSynthI(SynthI* synth);
void msgRemoveSynthI(SynthI* synth);
void msgSetSegSize(int, int);
void msgSetPrefader(AudioNode*, int);
void msgSetChannels(AudioNode*, int);
// void msgSetRecFile(AudioNode*, SndFile* sf);
void msgSetOff(AudioNode*, bool);
void msgSetRecord(AudioNode*, bool);
void msgPlay(bool flag);
void msgSeek(int);
void msgAddPart(WavePart*);
void msgRemovePart(WavePart*);
void msgChangePart(WavePart* s, WavePart* d);
void msgRemoveTrack(WaveTrack*);
void msgUndo();
void msgRedo();
void writeTick();
// transport:
void startPlay();
void stopPlay();
void startRecord();
void stopRecord();
void seek(int tickpos);
};
extern int processAudio(jack_nframes_t, void*);
extern void processAudio1(void*, void*);
extern Audio* audio;
extern AudioDevice* audioDevice; // current audio device in use
#endif
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