ScummVM API documentation
sound.h
1 
2 /* ScummVM - Graphic Adventure Engine
3  *
4  * ScummVM is the legal property of its developers, whose names
5  * are too numerous to list here. Please refer to the COPYRIGHT
6  * file distributed with this source distribution.
7  *
8  * This program is free software: you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation, either version 3 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program. If not, see <http://www.gnu.org/licenses/".
20  *
21  */
22 
23 #ifndef BAGEL_BOFLIB_SOUND_H
24 #define BAGEL_BOFLIB_SOUND_H
25 
26 #include "audio/mixer.h"
27 #include "bagel/boflib/stdinc.h"
28 #include "bagel/boflib/llist.h"
29 #include "bagel/boflib/object.h"
30 #include "bagel/boflib/error.h"
31 #include "bagel/boflib/queue.h"
32 
33 namespace Bagel {
34 
35 //
36 // Wavemix-related constants
37 //
38 #define VOLUME_INDEX_MIN 0
39 #define VOLUME_INDEX_MAX 12
40 #define VOLUME_INDEX_DEFAULT 10
41 
42 // Convert to ScummVM scale
43 #define VOLUME_SVM(x) ((x) * Audio::Mixer::kMaxChannelVolume / VOLUME_INDEX_MAX)
44 #define SVM_VOLUME(x) (((x) >= 252) ? VOLUME_INDEX_MAX : (x) * VOLUME_INDEX_MAX / 252)
45 
46 #define SOUND_BUFFERED 0x0001
47 #define SOUND_ASYNCH 0x0002
48 #define SOUND_NOTIFY 0x0004
49 #define SOUND_AUTODELETE 0x0008
50 #define SOUND_LOOP 0x0010
51 #define SOUND_WAVE 0x0020
52 #define SOUND_MIDI 0x0040
53 #define SOUND_DONT_LOOP_TO_END 0x0080
54 #define SOUND_QUEUE 0x0100 // With wavemix: play after previous sound finishes
55 #define SOUND_MIX 0x0200 // Use wavemix to really play asynchronously
56 #define SOUND_ASAP 0x0400 // Play as soon as a channel is free (maybe now)
57 #define SOUND_WAIT 0x0800 // For wavemix: Set sound up but don't play it yet
58 #define SOUND_LOCK 0x1000 // Reserve this channel until user stops it
59 #define SOUND_PRELOAD 0x2000 // Only works for Resource MAC snd files
60 #define SOUND_OVEROK 0x4000 // OK to play another sound over this file
61 #define SND_MEMORY 0x8000 // Raw in-memory sound passed rather than a filename
62 
63 #define SND_NODEFAULT 0
64 #define SND_SYNC 0
65 #define SND_ASYNC SOUND_ASYNCH
66 
67 #define SOUND_TYPE_WAV 1
68 #define SOUND_TYPE_XM 2
69 #define SOUND_TYPE_QT 3
70 #define SOUND_TYPE_SMF 4
71 
72 #define FMT_MILLISEC 1 // Time format specifiers.
73 #define FMT_BPM 2
74 
75 #define NUM_QUEUES 8
76 
77 class CBofSound : public CBofError, public CBofObject, public CLList {
78 public:
79  friend class MusicPlayer;
80 
81  CBofSound();
82  CBofSound(void *pWnd, const char *pszPathName, uint16 wFlags, int nLoops = 1);
83  virtual ~CBofSound();
84  void addToSoundChain();
85 
86  void initialize(const char *pszPathName, uint16 wFlags) {
87  initialize(nullptr, pszPathName, wFlags);
88  }
89  void initialize(void *pWnd, const char *pszPathName, uint16 wFlags);
90  void setDrivePath(const char *path) {}
91  bool midiLoopPlaySegment(uint32 LoopBegin, uint32 LoopEnd = 0L, uint32 FirstPassBegin = 0L, uint32 TimeFmt = FMT_MILLISEC);
92  bool play(uint32 StartOfPlay = 0L, uint32 TimeFmtFlag = FMT_MILLISEC);
93  bool pause();
94  bool resume();
95  void stop();
96 
97  CBofSound *getNext() {
98  return (CBofSound *)_pNext;
99  }
100  CBofSound *getPrev() {
101  return (CBofSound *)_pPrev;
102  }
103 
104  char *getFileName() {
105  return &_szFileName[0];
106  }
107 
108  void setFlags(uint16 wFlags) {
109  _wFlags = wFlags;
110  }
111  uint16 getFlags() {
112  return _wFlags;
113  }
114 
115  bool playing() {
116  return isPlaying();
117  }
118 
119  bool isPlaying() {
120  return _bPlaying;
121  }
122  bool isQueued() {
123  return _bInQueue;
124  }
125 
126  bool paused() {
127  return _bPaused;
128  }
129 
130  void setQSlot(int nSlot) {
131  _iQSlot = nSlot;
132  }
133  int getQSlot() {
134  return _iQSlot;
135  }
136 
137  void setVolume(int nVol);
138  int getVolume() {
139  return _nVol;
140  }
141 
142  static void initialize();
143  static void shutdown();
144  static void setVolume(int MidiVolume, int WaveVolume);
145 
146  static bool soundPlaying() {
147  return (_nCount > 0) ? true : false;
148  }
149 
150  static bool waveSoundPlaying();
151  static bool midiSoundPlaying();
152  static bool soundsPlayingNotOver();
153 
154  static void setQVol(int nSlot, int nVol);
155 
156  ErrorCode playWAV();
157 
158  static ErrorCode flushQueue(int nSlot);
159 
160  static void resetQVolumes();
161 
162  static bool pauseSounds();
163  static bool resumeSounds();
164  static void stopSounds();
165  static void stopWaveSounds();
166  static void stopMidiSounds();
167  static void clearSounds();
168  static void clearWaveSounds();
169  static void clearMidiSounds();
170  static void waitSounds();
171  static void waitWaveSounds();
172  static void waitMidiSounds();
173  static bool handleMessages();
174  static bool bofSleep(uint32 dwTime);
175  static void audioTask();
176  static bool soundsPlaying();
177  static bool MidiAvailable() {
178  return true;
179  }
180  static bool SoundAvailable() {
181  return true;
182  }
183  static bool SoundVolumeAvailable() {
184  return true;
185  }
186  static bool MidiVolumeAvailable() {
187  return true;
188  }
189 
190  static CBofSound *OnMCIStopped(WPARAM wParam, LPARAM lParam) {
191  return nullptr;
192  }
193  static CBofSound *OnMMIOStopped(WPARAM wParam, LPARAM lParam) {
194  return nullptr;
195  }
196 
197 private:
198  bool loadSound();
199  bool releaseSound();
200 
201 private:
202  char _szFileName[MAX_FNAME]; // Path spec for sound file
203  int8 _chType = 0; // Type of sound commands used
204 
205  uint16 _wLoops = 0; // Number of times to loop the sound (0xFFFF means infinite)
206  uint16 _wFlags = 0; // Flags for playing
207  bool _bPaused = false; // Whether its paused
208  bool _bPlaying = false; // Whether its playing
209 
210  bool _bExtensionsUsed = false;
211  uint32 _dwPlayStart = 0;
212  uint32 _dwRePlayStart = 0;
213  uint32 _dwRePlayEnd = 0;
214  Audio::SoundHandle _handle;
215  byte *_pFileBuf = nullptr;
216  uint32 _iFileSize = 0;
217 
218  int _iQSlot = 0;
219  bool _bInQueue = false;
220  bool _bStarted = false;
221  int _nVol = 0;
222 
223  void *_pWnd = nullptr; // Parent window for messages
224 
225  static char _szDrivePath[MAX_DIRPATH]; // Path spec to drive
226  static CBofSound *_pSoundChain; // First item in chain or nullptr
227  static int _nCount; // Count of active sounds
228  static int _nWavCount; // Number of wave sound devices
229  static int _nMidiCount; // Number of midi sound devices
230  static void *_pMainWnd; // Window for message processing
231  static bool _bInit;
232 
233  static int _nSlotVol[NUM_QUEUES];
234  static CQueue *_cQueue[NUM_QUEUES];
235 };
236 
237 #define CSound CBofSound
238 
239 extern bool BofPlaySound(const char *pszSoundFile, uint32 nFlags, int iQSlot = 0);
240 extern bool BofPlaySoundEx(const char *pszSoundFile, uint32 nFlags, int iQSlot = 0, bool bWait = false);
241 extern bool MessageBeep(int uType);
242 
243 #define sndPlaySound BofPlaySound
244 
245 } // namespace Bagel
246 
247 #endif
Definition: object.h:28
Definition: sound.h:77
Definition: mixer.h:49
Definition: error.h:52
Definition: afxwin.h:27
Definition: music.h:30
Definition: queue.h:31
Definition: llist.h:31