fix cocoa wxTimer Stop crash, proper autorelease stuff in cocoa wxtimer, use our own custom c implementation for cocoa wxMediaCtrl because NSMovieView implementation isnt very good

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31753 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/cocoa/mediactrl.mm

@@ -51,6 +51,7 @@
 //---------------------------------------------------------------------------
 //  QT Includes
 //---------------------------------------------------------------------------
+#include "wx/timer.h"
 #include <QuickTime/QuickTime.h>
 
 #include "wx/cocoa/autorelease.h"
@@ -102,6 +103,7 @@ public:
     NSMovieView* m_movieview;       //NSMovieView instance
     wxControl* m_ctrl;              //Parent control
     bool m_bVideo;                  //Whether or not we have video
+    class _wxQTTimer* m_timer;      //Timer for streaming the movie
 
     DECLARE_DYNAMIC_CLASS(wxQTMediaBackend);
 };
@@ -115,12 +117,74 @@ public:
 
 IMPLEMENT_DYNAMIC_CLASS(wxQTMediaBackend, wxMediaBackend);
 
+//Time between timer calls
+#define MOVIE_DELAY 100
+
+// --------------------------------------------------------------------------
+//          wxQTTimer - Handle Asyncronous Playing
+// --------------------------------------------------------------------------
+class _wxQTTimer : public wxTimer
+{
+public:
+    _wxQTTimer(Movie movie, wxQTMediaBackend* parent) :
+        m_movie(movie), m_bPaused(false), m_parent(parent)
+    {
+    }
+
+    ~_wxQTTimer()
+    {
+    }
+
+    bool GetPaused() {return m_bPaused;}
+    void SetPaused(bool bPaused) {m_bPaused = bPaused;}
+
+    //-----------------------------------------------------------------------
+    // _wxQTTimer::Notify
+    //
+    // 1) Checks to see if the movie is done, and if not continues
+    //    streaming the movie
+    // 2) Sends the wxEVT_MEDIA_STOP event if we have reached the end of
+    //    the movie.
+    //-----------------------------------------------------------------------
+    void Notify()
+    {
+        if (!m_bPaused)
+        {
+            if(!IsMovieDone(m_movie))
+                MoviesTask(m_movie, MOVIE_DELAY); 
+            else
+            {
+                wxMediaEvent theEvent(wxEVT_MEDIA_STOP, 
+                                      m_parent->m_ctrl->GetId());
+                m_parent->m_ctrl->ProcessEvent(theEvent);
+
+                if(theEvent.IsAllowed())
+                {
+                    Stop();
+                    m_parent->Stop();
+                    wxASSERT(::GetMoviesError() == noErr);
+
+                    //send the event to our child
+                    wxMediaEvent theEvent(wxEVT_MEDIA_FINISHED, 
+                                          m_parent->m_ctrl->GetId());
+                    m_parent->m_ctrl->ProcessEvent(theEvent);
+                }
+            }
+        }
+    }
+
+protected:
+    Movie m_movie;                  //Our movie instance
+    bool m_bPaused;                 //Whether we are paused or not
+    wxQTMediaBackend* m_parent;     //Backend pointer
+};
+
 //---------------------------------------------------------------------------
 // wxQTMediaBackend Constructor
 //
 // Sets m_timer to NULL signifying we havn't loaded anything yet
 //---------------------------------------------------------------------------
-wxQTMediaBackend::wxQTMediaBackend()
+wxQTMediaBackend::wxQTMediaBackend() : m_timer(NULL)
 {
 }
 
@@ -135,10 +199,11 @@ wxQTMediaBackend::wxQTMediaBackend()
 //---------------------------------------------------------------------------
 wxQTMediaBackend::~wxQTMediaBackend()
 {
+    if(m_timer)
         Cleanup();
 
     //Note that ExitMovies() is not neccessary...
-    ::ExitMovies();
+    ExitMovies();
 }
 
 //---------------------------------------------------------------------------
@@ -203,6 +268,7 @@ bool wxQTMediaBackend::Load(const wxString& fileName)
 //---------------------------------------------------------------------------
 bool wxQTMediaBackend::Load(const wxURI& location)
 {
+    if(m_timer)
         Cleanup();
 
     wxString theURI = location.BuildURI();
@@ -212,6 +278,16 @@ bool wxQTMediaBackend::Load(const wxURI& location)
 
     m_movie = (Movie) [[m_movieview movie] QTMovie];
 
+    //preroll movie for streaming
+    //TODO:Async this using threads?
+    TimeValue timeNow;
+    Fixed playRate;
+    timeNow = GetMovieTime(m_movie, NULL);
+    playRate = GetMoviePreferredRate(m_movie);
+    PrePrerollMovie(m_movie, timeNow, playRate, NULL, NULL);
+    PrerollMovie(m_movie, timeNow, playRate);
+    SetMovieRate(m_movie, playRate);
+
     FinishLoad();
 
     return ::GetMoviesError() == noErr;
@@ -219,9 +295,20 @@ bool wxQTMediaBackend::Load(const wxURI& location)
 
 //---------------------------------------------------------------------------
 // wxQTMediaBackend::FinishLoad
+//
+// 1) Create the movie timer
+// 2) Get real size of movie for GetBestSize/sizers
+// 3) See if there is video in the movie, and if so then either
+//    SetMovieGWorld if < 10.2 or use Native CreateMovieControl
+// 4) Set the movie time scale to something usable so that seeking
+//    etc.  will work correctly
+// 5) Refresh parent window
 //---------------------------------------------------------------------------
 void wxQTMediaBackend::FinishLoad()
 {
+    m_timer = new _wxQTTimer(m_movie, (wxQTMediaBackend*) this);
+    wxASSERT(m_timer);
+
     //get the real size of the movie
     Rect outRect;
     ::GetMovieNaturalBoundsRect (m_movie, &outRect);
@@ -253,7 +340,9 @@ void wxQTMediaBackend::FinishLoad()
 //---------------------------------------------------------------------------
 bool wxQTMediaBackend::Play()
 {
-    [m_movieview start:NULL];
+    ::StartMovie(m_movie);
+    m_timer->SetPaused(false);
+    m_timer->Start(MOVIE_DELAY, wxTIMER_CONTINUOUS);
     return ::GetMoviesError() == noErr;
 }
 
@@ -265,7 +354,9 @@ bool wxQTMediaBackend::Play()
 //---------------------------------------------------------------------------
 bool wxQTMediaBackend::Pause()
 {
-    [m_movieview stop:NULL];
+    ::StopMovie(m_movie);
+    m_timer->SetPaused(true);
+    m_timer->Stop();
     return ::GetMoviesError() == noErr;
 }
 
@@ -278,8 +369,14 @@ bool wxQTMediaBackend::Pause()
 //---------------------------------------------------------------------------
 bool wxQTMediaBackend::Stop()
 {
-    [m_movieview stop:NULL];
+    m_timer->SetPaused(false);
-    [m_movieview gotoBeginning:NULL];
+    m_timer->Stop();
+
+    ::StopMovie(m_movie);
+    if(::GetMoviesError() != noErr)
+        return false;
+    
+    ::GoToBeginningOfMovie(m_movie);
     return ::GetMoviesError() == noErr;
 }
 
@@ -353,11 +450,12 @@ wxLongLong wxQTMediaBackend::GetDuration()
 //---------------------------------------------------------------------------
 wxMediaState wxQTMediaBackend::GetState()
 {
-    if ( [m_movieview isPlaying] )
+    if ( !m_timer || (m_timer->IsRunning() == false && 
-        return wxMEDIASTATE_PLAYING;
+                      m_timer->GetPaused() == false) )
-
-    if( wxQTMediaBackend::GetPosition() == 0 )
         return wxMEDIASTATE_STOPPED;
+
+    if( m_timer->IsRunning() == true )
+        return wxMEDIASTATE_PLAYING;
     else
         return wxMEDIASTATE_PAUSED;
 }
@@ -370,11 +468,11 @@ wxMediaState wxQTMediaBackend::GetState()
 //---------------------------------------------------------------------------
 void wxQTMediaBackend::Cleanup()
 {
-    if([m_movieview movie])
+    delete m_timer;
-    {
+    m_timer = NULL;
+
     [[m_movieview movie] release];
     [m_movieview setMovie:NULL];
-    }
 }
 
 //---------------------------------------------------------------------------
@@ -402,8 +500,3 @@ void wxQTMediaBackend::Move(int x, int y, int w, int h)
 FORCE_LINK_ME(basewxmediabackends);
 
 #endif //wxUSE_MEDIACTRL
-
-
-
-
-

src/cocoa/timer.mm

@@ -26,6 +26,8 @@
     #include "wx/timer.h"
 #endif
 
+#include "wx/cocoa/autorelease.h"
+
 #import <Foundation/NSTimer.h>
 
 // ============================================================================
@@ -94,6 +96,10 @@ void wxTimer::Init()
 
 bool wxTimer::Start(int millisecs, bool oneShot)
 {
+    Stop();
+    
+    wxAutoNSAutoreleasePool thePool;
+
     m_cocoaNSTimer =     [[NSTimer 
             scheduledTimerWithTimeInterval: millisecs / 1000.0 //seconds
             target:		wxTimer::sm_cocoaDelegate
@@ -108,9 +114,11 @@ void wxTimer::Stop()
 {
     if (m_cocoaNSTimer)
     {
+        NSObject* theUserInfo = [m_cocoaNSTimer userInfo];
         [m_cocoaNSTimer invalidate];
-        [[m_cocoaNSTimer userInfo] release];
+        [theUserInfo release];
         [m_cocoaNSTimer release];
+        m_cocoaNSTimer = NULL;
     }
 }