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
  65 wxOSXAudioToolboxSoundData::CompletionCallback(SystemSoundID WXUNUSED(mySSID),
  66                                                void * soundRef)
  67 {
  68     wxOSXAudioToolboxSoundData* data = (wxOSXAudioToolboxSoundData*) soundRef;
  69
  70     data->SoundCompleted();
  71 }
  72
  73 void wxOSXAudioToolboxSoundData::SoundCompleted()
  74 {
  75     if ( m_flags & wxSOUND_ASYNC )
  76     {
  77         if (m_flags & wxSOUND_LOOP)
  78             AudioServicesPlaySystemSound(m_soundID);
  79         else
  80             Stop();
  81     }
  82     else
  83     {
  84         Stop();
  85         CFRunLoopStop(CFRunLoopGetCurrent());
  86     }
  87
  88 }
  89
  90 void wxOSXAudioToolboxSoundData::DoStop()
  91 {
  92     if (m_soundID)
  93     {
  94         AudioServicesDisposeSystemSoundID (m_soundID);
  95         m_soundID = NULL;
  96
  97         wxSound::SoundStopped(this);
  98     }
  99 }
 100
 101 bool wxOSXAudioToolboxSoundData::Play(unsigned flags)
 102 {
 103     Stop();
 104
 105     m_flags = flags;
 106
 107     wxCFRef<CFMutableStringRef> cfMutableString(CFStringCreateMutableCopy(NULL, 0, wxCFStringRef(m_sndname)));
 108     CFStringNormalize(cfMutableString,kCFStringNormalizationFormD);
 109     wxCFRef<CFURLRef> url(CFURLCreateWithFileSystemPath(kCFAllocatorDefault, cfMutableString , kCFURLPOSIXPathStyle, false));
 110
 111     AudioServicesCreateSystemSoundID(url, &m_soundID);
 112     AudioServicesAddSystemSoundCompletion( m_soundID, NULL, NULL, wxOSXAudioToolboxSoundData::CompletionCallback, (void *) this );
 113
 114     bool sync = !(flags & wxSOUND_ASYNC);
 115
 116     AudioServicesPlaySystemSound(m_soundID);
 117
 118     if ( sync )
 119     {
 120         while( m_soundID )
 121         {
 122             CFRunLoopRun();
 123         }
 124     }
 125
 126     return true;
 127 }
 128
 129 bool wxSound::Create(int WXUNUSED(size), const wxByte* WXUNUSED(data))
 130 {
 131     wxFAIL_MSG( "not implemented" );
 132
 133     return false;
 134 }
 135
 136 bool wxSound::Create(const wxString& fileName, bool isResource)
 137 {
 138     wxCHECK_MSG( !isResource, false, "not implemented" );
 139
 140     m_data = new wxOSXAudioToolboxSoundData(fileName);
 141     return true;
 142 }
 143
 144 #endif // wxOSX_USE_AUDIOTOOLBOX
 145
 146 #endif //wxUSE_SOUND