]> git.saurik.com Git - wxWidgets.git/blobdiff - src/unix/mediactrl.cpp
fix for glib critical errors when closing an mdi child
[wxWidgets.git] / src / unix / mediactrl.cpp
index d637d4cf3b26d2cfb940483e0e9b80c0ed470fd8..2a333c38185f579c36c84bc9593c3e920968b441 100644 (file)
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
-#include "wx/mediactrl.h"
-
 #if wxUSE_MEDIACTRL
 
+#include "wx/mediactrl.h"
+
 #if wxUSE_GSTREAMER
 
 #include <gst/gst.h>                // main gstreamer header
 #   include <gst/gconf/gconf.h>        // gstreamer glib configuration
 #endif
 
-#include "wx/log.h"                 // wxLogDebug/wxLogSysError/wxLogTrace
-#include "wx/app.h"                 // wxTheApp->argc, wxTheApp->argv
+#ifndef  WX_PRECOMP
+    #include "wx/log.h"             // wxLogDebug/wxLogSysError/wxLogTrace
+    #include "wx/app.h"             // wxTheApp->argc, wxTheApp->argv
+    #include "wx/timer.h"           // wxTimer
+#endif
+
 #include "wx/thread.h"              // wxMutex/wxMutexLocker
-#include "wx/timer.h"               // wxTimer
 
 #ifdef __WXGTK__
-#    include "wx/gtk/win_gtk.h"     // for <gdk/gdkx.h>/GDK_WINDOW_XWINDOW
+    #include <gtk/gtk.h>
+#    include <gdk/gdkx.h>           // for GDK_WINDOW_XWINDOW
 #endif
 
 //-----------------------------------------------------------------------------
 // Max wait time for element state waiting - GST_CLOCK_TIME_NONE for inf
 #define wxGSTREAMER_TIMEOUT (100 * GST_MSECOND) // Max 100 milliseconds
 
-//-----------------------------------------------------------------------------
-// wxGTK Debugging and idle stuff
-//-----------------------------------------------------------------------------
-#ifdef __WXGTK__
-
-#   ifdef __WXDEBUG__
-#       if wxUSE_THREADS
-#           define DEBUG_MAIN_THREAD \
-                if (wxThread::IsMain() && g_mainThreadLocked) \
-                    wxPrintf(wxT("gui reentrance"));
-#       else
-#           define DEBUG_MAIN_THREAD
-#       endif
-#   else
-#      define DEBUG_MAIN_THREAD
-#   endif // Debug
-
-extern void wxapp_install_idle_handler();
-extern bool g_isIdle;
-extern bool g_mainThreadLocked;
-#endif // wxGTK
-
 //-----------------------------------------------------------------------------
 //  wxLogTrace mask string
 //-----------------------------------------------------------------------------
@@ -162,7 +144,7 @@ class WXDLLIMPEXP_MEDIA
 public:
 
     wxGStreamerMediaBackend();
-    ~wxGStreamerMediaBackend();
+    virtual ~wxGStreamerMediaBackend();
 
     virtual bool CreateControl(wxControl* ctrl, wxWindow* parent,
                                      wxWindowID id,
@@ -198,6 +180,7 @@ public:
     virtual double GetVolume();
 
     //------------implementation from now on-----------------------------------
+    bool DoLoad(const wxString& locstring);
     wxMediaCtrl* GetControl() { return m_ctrl; } // for C Callbacks
     void HandleStateChange(GstElementState oldstate, GstElementState newstate);
     bool QueryVideoSizeFromElement(GstElement* element);
@@ -275,7 +258,7 @@ static gboolean gtk_window_expose_callback(GtkWidget *widget,
     if(event->count > 0)
         return FALSE;
 
-    GdkWindow *window = GTK_PIZZA(be->GetControl()->m_wxwindow)->bin_window;
+    GdkWindow *window = widget->window;
 
     // I've seen this reccommended somewhere...
     // TODO: Is this needed? Maybe it is just cruft...
@@ -313,18 +296,12 @@ static gboolean gtk_window_expose_callback(GtkWidget *widget,
 //-----------------------------------------------------------------------------
 #ifdef __WXGTK__
 extern "C" {
-static gint gtk_window_realize_callback(GtkWidget* theWidget,
+static gint gtk_window_realize_callback(GtkWidget* widget,
                                         wxGStreamerMediaBackend* be)
 {
-    DEBUG_MAIN_THREAD // TODO: Is this neccessary?
-
-    if (g_isIdle)   // FIXME: Why is needed? For wxYield? ??
-        wxapp_install_idle_handler();
-
-    wxYield();    // FIXME: RN: X Server gets an error/crash if I don't do
-                  //       this or a messagebox beforehand?!?!??
-
-    GdkWindow *window = GTK_PIZZA(theWidget)->bin_window;
+    gdk_flush();
+    
+    GdkWindow *window = widget->window;
     wxASSERT(window);
 
     gst_x_overlay_set_xwindow_id( GST_X_OVERLAY(be->m_xoverlay),
@@ -727,8 +704,9 @@ void wxGStreamerMediaBackend::SetupXOverlay()
     }
     else
     {
-        wxYield(); // see realize callback...
-        GdkWindow *window = GTK_PIZZA(m_ctrl->m_wxwindow)->bin_window;
+        gdk_flush();
+    
+        GdkWindow *window = m_ctrl->m_wxwindow->window;
         wxASSERT(window);
 #endif
 
@@ -908,7 +886,7 @@ bool wxGStreamerMediaBackend::TryVideoSink(GstElement* videosink)
 //
 // Called when the media is about to stop
 //-----------------------------------------------------------------------------
-void wxGStreamerMediaEventHandler::OnMediaFinish(wxMediaEvent& event)
+void wxGStreamerMediaEventHandler::OnMediaFinish(wxMediaEvent& WXUNUSED(event))
 {
     // (RN - I have no idea why I thought this was good behaviour....
     // maybe it made sense for streaming/nonseeking data but
@@ -950,7 +928,8 @@ void wxGStreamerMediaEventHandler::OnMediaFinish(wxMediaEvent& event)
 // Sets m_playbin to NULL signifying we havn't loaded anything yet
 //-----------------------------------------------------------------------------
 wxGStreamerMediaBackend::wxGStreamerMediaBackend()
-    : m_playbin(NULL)
+    : m_playbin(NULL),
+      m_eventHandler(NULL)
 {
 }
 
@@ -990,31 +969,63 @@ bool wxGStreamerMediaBackend::CreateControl(wxControl* ctrl, wxWindow* parent,
     //
     //init gstreamer
     //
+
+    //Convert arguments to unicode if enabled
 #if wxUSE_UNICODE
     int i;
     char **argvGST = new char*[wxTheApp->argc + 1];
     for ( i = 0; i < wxTheApp->argc; i++ )
     {
+#if wxUSE_UNICODE_WCHAR
         argvGST[i] = wxStrdupA(wxConvUTF8.cWX2MB(wxTheApp->argv[i]));
+#else
+        argvGST[i] = wxStrdupA(wxTheApp->argv[i].utf8_str());
+#endif
     }
 
     argvGST[wxTheApp->argc] = NULL;
 
     int argcGST = wxTheApp->argc;
+#else
+#define argcGST wxTheApp->argc
+#define argvGST wxTheApp->argv
+#endif
 
-    gst_init(&argcGST, &argvGST);
+    //Really init gstreamer
+    gboolean bInited;
+    GError* error = NULL;
+#if GST_VERSION_MAJOR > 0 || GST_VERSION_MINOR >= 10
+    bInited = gst_init_check(&argcGST, &argvGST, &error);
+#else
+    bInited = gst_init_check(&argcGST, &argvGST);
+#endif
 
-    // free our copy
+    // Cleanup arguments for unicode case
+#if wxUSE_UNICODE
     for ( i = 0; i < argcGST; i++ )
     {
         free(argvGST[i]);
     }
 
     delete [] argvGST;
-#else
-    gst_init(&wxTheApp->argc, &wxTheApp->argv);
 #endif
 
+    if(!bInited)    //gst_init_check fail?
+    {
+        if(error)
+        {
+            wxLogSysError(wxT("Could not initialize GStreamer\n")
+                          wxT("Error Message:%s"),
+                          (const wxChar*) wxConvUTF8.cMB2WX(error->message)
+                         );
+            g_error_free(error);
+        }
+        else
+            wxLogSysError(wxT("Could not initialize GStreamer"));
+
+        return false;
+    }
+
     //
     // wxControl creation
     //
@@ -1022,7 +1033,7 @@ bool wxGStreamerMediaBackend::CreateControl(wxControl* ctrl, wxWindow* parent,
 
 #ifdef __WXGTK__
     // We handle our own GTK expose events
-    m_ctrl->m_noExpose = TRUE;
+    m_ctrl->m_noExpose = true;
 #endif
 
     if( !m_ctrl->wxControl::Create(parent, id, pos, size,
@@ -1038,9 +1049,6 @@ bool wxGStreamerMediaBackend::CreateControl(wxControl* ctrl, wxWindow* parent,
     // so it doesn't draw over the video and cause sporadic
     // disappearances of the video
     gtk_widget_set_double_buffered(m_ctrl->m_wxwindow, FALSE);
-
-    // Tell GtkPizza not to clear the background
-    gtk_pizza_set_clear(GTK_PIZZA(m_ctrl->m_wxwindow), FALSE);
 #endif
 
     // don't erase the background of our control window
@@ -1050,12 +1058,12 @@ bool wxGStreamerMediaBackend::CreateControl(wxControl* ctrl, wxWindow* parent,
     // Create our playbin object
     m_playbin = gst_element_factory_make ("playbin", "play");
     if (!GST_IS_ELEMENT(m_playbin))
-        {
+    {
         if(G_IS_OBJECT(m_playbin))
             g_object_unref(m_playbin);
         wxLogSysError(wxT("Got an invalid playbin"));
         return false;
-        }
+    }
 
 #if GST_VERSION_MAJOR == 0 && GST_VERSION_MINOR < 10
     // Connect the glib events/callbacks we want to our playbin
@@ -1091,7 +1099,7 @@ bool wxGStreamerMediaBackend::CreateControl(wxControl* ctrl, wxWindow* parent,
                 if( !TryAudioSink(audiosink) )
                 {
                     wxLogSysError(wxT("Could not find a valid audiosink"));
-    return false;
+                    return false;
                 }
             }
         }
@@ -1116,7 +1124,7 @@ bool wxGStreamerMediaBackend::CreateControl(wxControl* ctrl, wxWindow* parent,
                     g_object_unref(audiosink);
                     wxLogSysError(wxT("Could not find a suitable video sink"));
                     return false;
-    }
+                }
             }
         }
     }
@@ -1144,20 +1152,40 @@ bool wxGStreamerMediaBackend::CreateControl(wxControl* ctrl, wxWindow* parent,
 //-----------------------------------------------------------------------------
 // wxGStreamerMediaBackend::Load (File version)
 //
-// Just calls the URI version
+// Just calls DoLoad() with a prepended file scheme
 //-----------------------------------------------------------------------------
 bool wxGStreamerMediaBackend::Load(const wxString& fileName)
 {
-    return Load(
-                    wxURI(
-                            wxString( wxT("file://") ) + fileName
-                         )
-               );
+    return DoLoad(wxString( wxT("file://") ) + fileName);
 }
 
 //-----------------------------------------------------------------------------
 // wxGStreamerMediaBackend::Load (URI version)
 //
+// In the case of a file URI passes it unencoded -
+// also, as of 0.10.3 and earlier GstURI (the uri parser for gstreamer)
+// is sort of broken and only accepts uris with at least two slashes
+// after the scheme (i.e. file: == not ok, file:// == ok)
+//-----------------------------------------------------------------------------
+bool wxGStreamerMediaBackend::Load(const wxURI& location)
+{
+    if(location.GetScheme().CmpNoCase(wxT("file")) == 0)
+    {
+        wxString uristring = location.BuildUnescapedURI();
+
+        //Workaround GstURI leading "//" problem and make sure it leads
+        //with that
+        return DoLoad(wxString(wxT("file://")) +
+                      uristring.Right(uristring.length() - 5)
+                     );
+    }
+    else
+        return DoLoad(location.BuildURI());
+}
+
+//-----------------------------------------------------------------------------
+// wxGStreamerMediaBackend::DoLoad
+//
 // Loads the media
 // 1) Reset member variables and set playbin back to ready state
 // 2) Check URI for validity and then tell the playbin to load it
@@ -1167,7 +1195,7 @@ bool wxGStreamerMediaBackend::Load(const wxString& fileName)
 // video size or duration - no amount of clever hacking is going to get
 // around that, unfortunately.
 //-----------------------------------------------------------------------------
-bool wxGStreamerMediaBackend::Load(const wxURI& location)
+bool wxGStreamerMediaBackend::DoLoad(const wxString& locstring)
 {
     wxMutexLocker lock(m_asynclock); // lock state events and async callbacks
 
@@ -1186,14 +1214,11 @@ bool wxGStreamerMediaBackend::Load(const wxURI& location)
             return false;
     }
 
+    // free current media resources
+    gst_element_set_state (m_playbin, GST_STATE_NULL);
+
     // Make sure the passed URI is valid and tell playbin to load it
     // non-file uris are encoded
-    wxString locstring;
-    if(location.GetScheme().CmpNoCase(wxT("file")))
-        locstring = location.BuildUnescapedURI();
-    else
-        locstring = location.BuildURI();
-
     wxASSERT(gst_uri_protocol_is_valid("file"));
     wxASSERT(gst_uri_is_valid(locstring.mb_str()));
 
@@ -1314,7 +1339,7 @@ wxMediaState wxGStreamerMediaBackend::GetState()
 // NB: whether we have paused or not and keep track of the time after the
 // NB: pause and whenever the user seeks while paused
 // NB:
-// 
+//
 // THREAD-UNSAFE, at least if not paused. Requires media to be at least paused.
 //-----------------------------------------------------------------------------
 wxLongLong wxGStreamerMediaBackend::GetPosition()