src/osx/core/sound.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/core/sound.cpp
   3 // Purpose:     wxSound class implementation using AudioToolbox
   4 // Author:      Stefan Csomor
   5 // Modified by: Stefan Csomor
   6 // Created:     2009-01-01
   7 // RCS-ID:      $Id: sound.cpp 61475 2009-07-20 16:47:54Z VZ $
   8 // Copyright:   (c) Stefan Csomor
   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     if (data->IsMarkedForDeletion())
  73         delete data;
  74 }
  75
  76 void wxOSXAudioToolboxSoundData::SoundCompleted()
  77 {
  78     if ( m_flags & wxSOUND_ASYNC )
  79     {
  80         if (m_flags & wxSOUND_LOOP)
  81             AudioServicesPlaySystemSound(m_soundID);
  82         else
  83             Stop();
  84     }
  85     else
  86     {
  87         Stop();
  88         CFRunLoopStop(CFRunLoopGetCurrent());
  89     }
  90
  91 }
  92
  93 void wxOSXAudioToolboxSoundData::DoStop()
  94 {
  95     if (m_soundID)
  96     {
  97         AudioServicesDisposeSystemSoundID (m_soundID);
  98         m_soundID = NULL;
  99
 100         wxSound::SoundStopped(this);
 101     }
 102 }
 103
 104 bool wxOSXAudioToolboxSoundData::Play(unsigned flags)
 105 {
 106     Stop();
 107
 108     m_flags = flags;
 109
 110     wxCFRef<CFMutableStringRef> cfMutableString(CFStringCreateMutableCopy(NULL, 0, wxCFStringRef(m_sndname)));
 111     CFStringNormalize(cfMutableString,kCFStringNormalizationFormD);
 112     wxCFRef<CFURLRef> url(CFURLCreateWithFileSystemPath(kCFAllocatorDefault, cfMutableString , kCFURLPOSIXPathStyle, false));
 113
 114     AudioServicesCreateSystemSoundID(url, &m_soundID);
 115     AudioServicesAddSystemSoundCompletion( m_soundID, CFRunLoopGetCurrent(), NULL, wxOSXAudioToolboxSoundData::CompletionCallback, (void *) this );
 116
 117     bool sync = !(flags & wxSOUND_ASYNC);
 118
 119     AudioServicesPlaySystemSound(m_soundID);
 120
 121     if ( sync )
 122     {
 123         while( m_soundID )
 124         {
 125             CFRunLoopRun();
 126         }
 127     }
 128
 129     return true;
 130 }
 131
 132 bool wxSound::Create(int WXUNUSED(size), const wxByte* WXUNUSED(data))
 133 {
 134     wxFAIL_MSG( "not implemented" );
 135
 136     return false;
 137 }
 138
 139 bool wxSound::Create(const wxString& fileName, bool isResource)
 140 {
 141     wxCHECK_MSG( !isResource, false, "not implemented" );
 142
 143     m_data = new wxOSXAudioToolboxSoundData(fileName);
 144     return true;
 145 }
 146
 147 #endif // wxOSX_USE_AUDIOTOOLBOX
 148
 149 #endif //wxUSE_SOUND