src/osx/core/sound.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/carbon/sound.cpp
   3 // Purpose:     wxSound class implementation: optional
   4 // Author:      Ryan Norton
   5 // Modified by: Stefan Csomor
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id: sound.cpp 61475 2009-07-20 16:47:54Z VZ $
   8 // Copyright:   (c) Ryan Norton
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #if wxUSE_SOUND
  16
  17 #include "wx/sound.h"
  18
  19 #if wxOSX_USE_AUDIOTOOLBOX
  20
  21 #ifndef WX_PRECOMP
  22     #include "wx/object.h"
  23     #include "wx/string.h"
  24     #include "wx/intl.h"
  25     #include "wx/log.h"
  26     #include "wx/timer.h"
  27 #endif
  28
  29 #include "wx/file.h"
  30
  31 #include "wx/osx/private.h"
  32
  33 #include <AudioToolbox/AudioToolbox.h>
  34
  35 class wxOSXAudioToolboxSoundData : public wxSoundData
  36 {
  37 public:
  38     wxOSXAudioToolboxSoundData(const wxString& fileName);
  39
  40     ~wxOSXAudioToolboxSoundData();
  41
  42     virtual bool Play(unsigned flags);
  43
  44     virtual void DoStop();
  45 protected:
  46     static void CompletionCallback(SystemSoundID  mySSID, void * soundRef);
  47     void SoundCompleted();
  48
  49     SystemSoundID m_soundID;
  50     wxString m_sndname; //file path
  51 };
  52
  53 wxOSXAudioToolboxSoundData::wxOSXAudioToolboxSoundData(const wxString& fileName) :
  54     m_soundID(NULL)
  55 {
  56     m_sndname = fileName;
  57 }
  58
  59 wxOSXAudioToolboxSoundData::~wxOSXAudioToolboxSoundData()
  60 {
  61     DoStop();
  62 }
  63
  64 void wxOSXAudioToolboxSoundData::CompletionCallback(SystemSoundID  mySSID, void * soundRef)
  65 {
  66     wxOSXAudioToolboxSoundData* data = (wxOSXAudioToolboxSoundData*) soundRef;
  67
  68     data->SoundCompleted();
  69 }
  70
  71 void wxOSXAudioToolboxSoundData::SoundCompleted()
  72 {
  73     if ( m_flags & wxSOUND_ASYNC )
  74     {
  75         if (m_flags & wxSOUND_LOOP)
  76             AudioServicesPlaySystemSound(m_soundID);
  77         else
  78             Stop();
  79     }
  80     else
  81     {
  82         Stop();
  83         CFRunLoopStop(CFRunLoopGetCurrent());
  84     }
  85
  86 }
  87
  88 void wxOSXAudioToolboxSoundData::DoStop()
  89 {
  90     if (m_soundID)
  91     {
  92         AudioServicesDisposeSystemSoundID (m_soundID);
  93         m_soundID = NULL;
  94
  95         wxSound::SoundStopped(this);
  96     }
  97 }
  98
  99 bool wxOSXAudioToolboxSoundData::Play(unsigned flags)
 100 {
 101     Stop();
 102
 103     m_flags = flags;
 104
 105     wxCFRef<CFMutableStringRef> cfMutableString(CFStringCreateMutableCopy(NULL, 0, wxCFStringRef(m_sndname)));
 106     CFStringNormalize(cfMutableString,kCFStringNormalizationFormD);
 107     wxCFRef<CFURLRef> url(CFURLCreateWithFileSystemPath(kCFAllocatorDefault, cfMutableString , kCFURLPOSIXPathStyle, false));
 108
 109     AudioServicesCreateSystemSoundID(url, &m_soundID);
 110     AudioServicesAddSystemSoundCompletion( m_soundID, NULL, NULL, wxOSXAudioToolboxSoundData::CompletionCallback, (void *) this );
 111
 112     bool sync = !(flags & wxSOUND_ASYNC);
 113
 114     AudioServicesPlaySystemSound(m_soundID);
 115
 116     if ( sync )
 117     {
 118         while( m_soundID )
 119         {
 120             CFRunLoopRun();
 121         }
 122     }
 123
 124     return true;
 125 }
 126
 127 bool wxSound::Create(int size, const wxByte* data)
 128 {
 129     return false;
 130 }
 131
 132 bool wxSound::Create(const wxString& fileName, bool isResource)
 133 {
 134     if ( isResource )
 135         return false;
 136
 137
 138     m_data = new wxOSXAudioToolboxSoundData(fileName);
 139     return true;
 140 }
 141
 142 #endif // wxOSX_USE_AUDIOTOOLBOX
 143
 144 #endif //wxUSE_SOUND