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 #ifdef __WXMAC__
  21 #include "wx/mac/private.h"
  22 #endif
  23
  24 wxWave::wxWave()
  25   : m_sndChan(0), m_hSnd(NULL), m_waveLength(0), m_isResource(true)
  26 {
  27 }
  28
  29 wxWave::wxWave(const wxString& sFileName, bool isResource)
  30   : m_sndChan(0), m_hSnd(NULL), m_waveLength(0), m_isResource(true)
  31 {
  32     Create(sFileName, isResource);
  33 }
  34
  35
  36 wxWave::~wxWave()
  37 {
  38     Free();
  39 }
  40
  41
  42 bool wxWave::Create(const wxString& fileName, bool isResource)
  43 {
  44         bool ret = false;
  45         m_sndname = fileName;
  46         m_isResource = isResource;
  47
  48         if (m_isResource)
  49                 ret = true;
  50         else
  51         { /*
  52                 if (sndChan)
  53                 {                                                                                                                                       // we're playing
  54                         FSClose(SndRefNum);
  55                         SndRefNum = 0;
  56                         SndDisposeChannel(sndChan, TRUE);
  57                         free(sndChan);
  58                         sndChan = 0;
  59                         KillTimer(0,timerID);
  60                 }
  61
  62                 if (!lpSnd)
  63                         return true;
  64
  65                 if (_access(lpSnd,0))                                                   // no file, no service
  66                         return false;
  67
  68                 // Allocate SndChannel
  69                 sndChan = (SndChannelPtr) malloc (sizeof(SndChannel));
  70
  71                 if (!sndChan)
  72                         return false;
  73
  74                 sndChan->qLength = 128;
  75
  76                 if (noErr != SndNewChannel (&sndChan, sampledSynth, initMono | initNoInterp, 0))
  77                 {
  78                         free(sndChan);
  79                         sndChan = 0;
  80                         return false;
  81                 }
  82
  83                 if (!(SndRefNum = MacOpenSndFile ((char *)lpSnd)))
  84                 {
  85                         SndDisposeChannel(sndChan, TRUE);
  86                         free(sndChan);
  87                         sndChan = 0;
  88
  89                         return false;
  90                 }
  91
  92                 bool async = false;
  93
  94                 if (fdwSound & SND_ASYNC)
  95                         async = true;
  96
  97                 if (SndStartFilePlay(sndChan, SndRefNum, 0, 81920, 0, 0, 0, async) != noErr)
  98                 {
  99                         FSClose (SndRefNum);
 100                         SndRefNum = 0;
 101                         SndDisposeChannel (sndChan, TRUE);
 102                         free (sndChan);
 103                         sndChan = 0;
 104                         return false;
 105                 }
 106
 107                 if (async)
 108                 {  // haven't finish yet
 109                         timerID = SetTimer(0, 0, 250, TimerCallBack);
 110                 }
 111                 else
 112                 {
 113                         FSClose (SndRefNum);
 114                         SndRefNum = 0;
 115                         SndDisposeChannel (sndChan, TRUE);
 116                         free (sndChan);
 117                         sndChan = 0;
 118                 }*/
 119         }
 120
 121         return ret;
 122 }
 123
 124
 125 //don't know what to do with looped, wth
 126 bool wxWave::Play(bool async, bool looped) const
 127 {
 128         char lpSnd[32];
 129         bool ret = false;
 130
 131         if (m_isResource)
 132         {
 133 #if TARGET_CARBON
 134           c2pstrcpy((unsigned char *)lpSnd, m_sndname);
 135 #else
 136           strcpy(lpSnd, m_sndname);
 137           c2pstr((char *) lpSnd);
 138 #endif
 139           SndListHandle hSnd;
 140
 141           hSnd = (SndListHandle) GetNamedResource('snd ',(const unsigned char *) lpSnd);
 142
 143           if ((hSnd != NULL) && (SndPlay((SndChannelPtr)m_sndChan, (SndListHandle) hSnd, async) == noErr))
 144             ret = true;
 145         }
 146
 147         return ret;
 148 }
 149
 150
 151 bool wxWave::Free()
 152 {
 153         bool ret = false;
 154
 155         if (m_isResource)
 156         {
 157                 m_sndname.Empty();
 158                 ret = true;
 159         }
 160         else
 161         {
 162                 //TODO,
 163         }
 164
 165         return ret;
 166 }
 167
 168
 169 //code below is from an old implementation used for telinfo with MSVC crossplatform support
 170 //technology proceeds, so it would be the wisest to drop this code, but it's left here just
 171 //for the sake of a reference. BTW: Wave files can now be played with QT, starting from V3
 172
 173 /*static short MacOpenSndFile (char * path)
 174 {
 175         VolumeParam vp;
 176         FSSpec fspec;
 177         Str255 name;
 178         char *c;
 179
 180         // first, get the volume reference number for the file.  Start by
 181         // making a Pstring with just the volume name
 182         strcpy ((char *) name, path);
 183         if (c = strchr ((char *) name, ':'))
 184         {
 185                 c++;
 186                 *c = '\0';
 187         }
 188
 189         c2pstr ((char *) name);
 190         vp.ioCompletion = 0;
 191         vp.ioVolIndex   = -1;
 192         vp.ioNamePtr    = name;
 193         vp.ioVRefNum    = 0;
 194
 195         if (PBGetVInfo((ParamBlockRec *)&vp, 0) != noErr)
 196                 return 0;
 197
 198         // next, buld an FSSpec for the file
 199         strcpy ((char *) name, path);
 200         c2pstr ((char *) name);
 201         if (FSMakeFSSpec (vp.ioVRefNum, 0, name, &fspec) != noErr)
 202                 return 0;
 203
 204         short frefnum;
 205         // now open the file, and return it's reference number
 206         if (FSpOpenDF(&fspec, fsRdPerm, &frefnum) != noErr)
 207                 return 0;
 208
 209         return frefnum;
 210 }
 211
 212
 213 void TimerCallBack(HWND hwnd,UINT uMsg,UINT idEvent,DWORD dwTime)
 214 {
 215         if(!sndChan)
 216         {
 217                 KillTimer(0,timerID);
 218                 return;
 219         }
 220
 221         SCStatus        scstat;
 222
 223         if (noErr == SndChannelStatus (sndChan, sizeof (SCStatus), &scstat)) {
 224                 if (scstat.scChannelPaused || scstat.scChannelBusy)
 225                         return;                                                 // not done yet
 226         }
 227
 228         // either error or done.
 229         FSClose (SndRefNum);
 230         SndRefNum = 0;
 231         SndDisposeChannel (sndChan, TRUE);
 232         free (sndChan);
 233         sndChan = 0;
 234         KillTimer(0,timerID);
 235 }*/
 236
 237