1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
//=========================================================
// 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
|