src/mac/carbon/wave.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wave.cpp
   3 // Purpose:     wxWave class implementation: optional
   4 // Author:      AUTHOR
   5 // Modified by:
   6 // Created:     ??/??/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "wave.h"
  14 #endif
  15
  16 #include "wx/object.h"
  17 #include "wx/string.h"
  18 #include "wx/wave.h"
  19
  20 wxWave::wxWave()
  21   : m_sndChan(0), m_hSnd(NULL), m_waveLength(0), m_isResource(true)
  22 {
  23 }
  24
  25 wxWave::wxWave(const wxString& sFileName, bool isResource)
  26   : m_sndChan(0), m_hSnd(NULL), m_waveLength(0), m_isResource(true)
  27 {
  28     Create(sFileName, isResource);
  29 }
  30
  31
  32 wxWave::~wxWave()
  33 {
  34     Free();
  35 }
  36
  37
  38 bool wxWave::Create(const wxString& fileName, bool isResource)
  39 {
  40         bool ret = false;
  41         m_sndname = fileName;
  42         m_isResource = isResource;
  43
  44         if (m_isResource)
  45                 ret = true;
  46         else
  47         { /*
  48                 if (sndChan)
  49                 {                                                                                                                                       // we're playing
  50                         FSClose(SndRefNum);
  51                         SndRefNum = 0;
  52                         SndDisposeChannel(sndChan, TRUE);
  53                         free(sndChan);
  54                         sndChan = 0;
  55                         KillTimer(0,timerID);
  56                 }
  57
  58                 if (!lpSnd)
  59                         return true;
  60
  61                 if (_access(lpSnd,0))                                                   // no file, no service
  62                         return false;
  63
  64                 // Allocate SndChannel
  65                 sndChan = (SndChannelPtr) malloc (sizeof(SndChannel));
  66
  67                 if (!sndChan)
  68                         return false;
  69
  70                 sndChan->qLength = 128;
  71
  72                 if (noErr != SndNewChannel (&sndChan, sampledSynth, initMono | initNoInterp, 0))
  73                 {
  74                         free(sndChan);
  75                         sndChan = 0;
  76                         return false;
  77                 }
  78
  79                 if (!(SndRefNum = MacOpenSndFile ((char *)lpSnd)))
  80                 {
  81                         SndDisposeChannel(sndChan, TRUE);
  82                         free(sndChan);
  83                         sndChan = 0;
  84
  85                         return false;
  86                 }
  87
  88                 bool async = false;
  89
  90                 if (fdwSound & SND_ASYNC)
  91                         async = true;
  92
  93                 if (SndStartFilePlay(sndChan, SndRefNum, 0, 81920, 0, 0, 0, async) != noErr)
  94                 {
  95                         FSClose (SndRefNum);
  96                         SndRefNum = 0;
  97                         SndDisposeChannel (sndChan, TRUE);
  98                         free (sndChan);
  99                         sndChan = 0;
 100                         return false;
 101                 }
 102
 103                 if (async)
 104                 {  // haven't finish yet
 105                         timerID = SetTimer(0, 0, 250, TimerCallBack);
 106                 }
 107                 else
 108                 {
 109                         FSClose (SndRefNum);
 110                         SndRefNum = 0;
 111                         SndDisposeChannel (sndChan, TRUE);
 112                         free (sndChan);
 113                         sndChan = 0;
 114                 }*/
 115         }
 116
 117         return ret;
 118 }
 119
 120
 121 //don't know what to do with looped, wth
 122 bool wxWave::Play(bool async, bool looped) const
 123 {
 124         char lpSnd[32];
 125         bool ret = false;
 126
 127         if (m_isResource)
 128         {
 129                 strcpy(lpSnd, m_sndname);
 130                 c2pstr((char *) lpSnd);
 131                 SndListHandle hSnd;
 132
 133                 hSnd = (SndListHandle) GetNamedResource('snd ',(const unsigned char *) lpSnd);
 134
 135                 if ((hSnd != NULL) && (SndPlay(m_sndChan, hSnd, async) == noErr))
 136                         ret = true;
 137         }
 138
 139         return ret;
 140 }
 141
 142
 143 bool wxWave::Free()
 144 {
 145         bool ret = false;
 146
 147         if (m_isResource)
 148         {
 149                 m_sndname.Empty();
 150                 ret = true;
 151         }
 152         else
 153         {
 154                 //TODO,
 155         }
 156
 157         return ret;
 158 }
 159
 160
 161 //code below is from an old implementation used for telinfo with MSVC crossplatform support
 162 //technology proceeds, so it would be the wisest to drop this code, but it's left here just
 163 //for the sake of a reference. BTW: Wave files can now be played with QT, starting from V3
 164
 165 /*static short MacOpenSndFile (char * path)
 166 {
 167         VolumeParam vp;
 168         FSSpec fspec;
 169         Str255 name;
 170         char *c;
 171
 172         // first, get the volume reference number for the file.  Start by
 173         // making a Pstring with just the volume name
 174         strcpy ((char *) name, path);
 175         if (c = strchr ((char *) name, ':'))
 176         {
 177                 c++;
 178                 *c = '\0';
 179         }
 180
 181         c2pstr ((char *) name);
 182         vp.ioCompletion = 0;
 183         vp.ioVolIndex   = -1;
 184         vp.ioNamePtr    = name;
 185         vp.ioVRefNum    = 0;
 186
 187         if (PBGetVInfo((ParamBlockRec *)&vp, 0) != noErr)
 188                 return 0;
 189
 190         // next, buld an FSSpec for the file
 191         strcpy ((char *) name, path);
 192         c2pstr ((char *) name);
 193         if (FSMakeFSSpec (vp.ioVRefNum, 0, name, &fspec) != noErr)
 194                 return 0;
 195
 196         short frefnum;
 197         // now open the file, and return it's reference number
 198         if (FSpOpenDF(&fspec, fsRdPerm, &frefnum) != noErr)
 199                 return 0;
 200
 201         return frefnum;
 202 }
 203
 204
 205 void TimerCallBack(HWND hwnd,UINT uMsg,UINT idEvent,DWORD dwTime)
 206 {
 207         if(!sndChan)
 208         {
 209                 KillTimer(0,timerID);
 210                 return;
 211         }
 212
 213         SCStatus        scstat;
 214
 215         if (noErr == SndChannelStatus (sndChan, sizeof (SCStatus), &scstat)) {
 216                 if (scstat.scChannelPaused || scstat.scChannelBusy)
 217                         return;                                                 // not done yet
 218         }
 219
 220         // either error or done.
 221         FSClose (SndRefNum);
 222         SndRefNum = 0;
 223         SndDisposeChannel (sndChan, TRUE);
 224         free (sndChan);
 225         sndChan = 0;
 226         KillTimer(0,timerID);
 227 }*/
 228
 229