/////////////////////////////////////////////////////////////////////////////
-// Name: unix/mediactrl.cpp
+// Name: src/unix/mediactrl.cpp
// Purpose: Built-in Media Backends for Unix
// Author: Ryan Norton <wxprojects@comcast.net>
// Modified by:
// Pre-compiled header stuff
//---------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "mediactrl.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#include <string.h> //strstr
#include "wx/log.h"
-#include "wx/msgdlg.h"
#ifdef __WXGTK__
//for <gdk/gdkx.h>/related for GDK_WINDOW_XWINDOW
# include "wx/gtk/win_gtk.h"
# include <gtk/gtksignal.h>
+# if wxUSE_DYNLIB_CLASS
+# include "wx/dynlib.h"
+# endif
+//# include <gst/gconf/gconf.h> //gstreamer gnome interface - needs deps
#endif
GError *err, gchar *debug,
gpointer data);
static void OnVideoCapsReady(GstPad* pad, GParamSpec* pspec, gpointer data);
-
+
static bool TransCapsToVideoSize(wxGStreamerMediaBackend* be, GstPad* caps);
void PostRecalcSize();
-
+
#ifdef __WXGTK__
static gint OnGTKRealize(GtkWidget* theWidget, wxGStreamerMediaBackend* be);
#endif
GstElement* m_player; //GStreamer media element
-// GstElement* m_audiosink;
- GstElement* m_videosink;
-
+
wxSize m_videoSize;
wxControl* m_ctrl;
-
+
wxLongLong m_nPausedPos;
DECLARE_DYNAMIC_CLASS(wxGStreamerMediaBackend);
//
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-IMPLEMENT_DYNAMIC_CLASS(wxGStreamerMediaBackend, wxMediaBackend);
+IMPLEMENT_DYNAMIC_CLASS(wxGStreamerMediaBackend, wxMediaBackend)
//---------------------------------------------------------------------------
// wxGStreamerMediaBackend Constructor
//---------------------------------------------------------------------------
// wxGStreamerMediaBackend Destructor
//
-// Stops/cleans up memory
+// Stops/cleans up memory
//---------------------------------------------------------------------------
wxGStreamerMediaBackend::~wxGStreamerMediaBackend()
{
extern bool g_isIdle;
extern bool g_mainThreadLocked;
-gint wxGStreamerMediaBackend::OnGTKRealize(GtkWidget* theWidget,
+gint wxGStreamerMediaBackend::OnGTKRealize(GtkWidget* theWidget,
wxGStreamerMediaBackend* be)
{
DEBUG_MAIN_THREAD
-
+
if (g_isIdle)
wxapp_install_idle_handler();
wxYield(); //FIXME: X Server gets an error if I don't do this or a messagebox beforehand?!?!??
-
+
GdkWindow *window = GTK_PIZZA(theWidget)->bin_window;
wxASSERT(window);
-
- gst_x_overlay_set_xwindow_id( GST_X_OVERLAY(be->m_videosink),
- GDK_WINDOW_XWINDOW( window )
- );
-
+
+ GstElement* videosink;
+ g_object_get (G_OBJECT (be->m_player), "video-sink", &videosink, NULL);
+
+ GstElement* overlay = gst_bin_get_by_interface (GST_BIN (videosink),
+ GST_TYPE_X_OVERLAY);
+ gst_x_overlay_set_xwindow_id( GST_X_OVERLAY(overlay),
+ GDK_WINDOW_XWINDOW( window )
+ );
+
return 0;
}
// wxGStreamerMediaBackend::Cleanup
//
// Frees the gstreamer interfaces if there were any created
-//TODO: Do we need to free the video interface? I'm getting segfaults
-//if I do...
//---------------------------------------------------------------------------
void wxGStreamerMediaBackend::Cleanup()
{
{
gst_element_set_state (m_player, GST_STATE_NULL);
gst_object_unref (GST_OBJECT (m_player));
-
- //if(GST_IS_OBJECT(m_videosink))
- // gst_object_unref (GST_OBJECT (m_videosink));
- //if(GST_IS_OBJECT(m_audiosink))
- // gst_object_unref (GST_OBJECT (m_audiosink));
}
}
{
//init gstreamer
gst_init(NULL, NULL);
-
+
m_ctrl = ctrl;
return m_ctrl->wxControl::Create(parent, id, pos, size,
gst_structure_get_int (s, "width", &be->m_videoSize.x);
gst_structure_get_int (s, "height", &be->m_videoSize.y);
+ wxLogDebug(wxT("Native video size: [%i,%i]"), be->m_videoSize.x, be->m_videoSize.y);
+
const GValue *par;
par = gst_structure_get_value (s, "pixel-aspect-ratio");
be->m_videoSize.y = (int) ((float) den * be->m_videoSize.y / num);
}
- be->PostRecalcSize();
+ wxLogDebug(wxT("Adjusted video size: [%i,%i]"), be->m_videoSize.x, be->m_videoSize.y);
+
+ be->PostRecalcSize();
return true;
}//end if caps
-
+
return false;
}
m_ctrl->GetParent()->Layout();
m_ctrl->GetParent()->Refresh();
m_ctrl->GetParent()->Update();
+ m_ctrl->SetSize(m_ctrl->GetSize());
}
//---------------------------------------------------------------------------
gchar *debug,
gpointer data)
{
- wxMessageBox(wxString::Format(wxT("Error in wxMediaCtrl!\nError Message:%s"), wxString(err->message, wxConvLocal).c_str()));
+ wxLogSysError(
+ wxString::Format(
+ wxT("Error in wxMediaCtrl!\nError Message:%s\nDebug:%s\n"),
+ (const wxChar*)wxConvUTF8.cMB2WX(err->message),
+ (const wxChar*)wxConvUTF8.cMB2WX(debug)
+ )
+ );
}
//---------------------------------------------------------------------------
bool wxGStreamerMediaBackend::Load(const wxString& fileName)
{
- return Load(
- wxURI(
- wxString( wxT("file://") ) + fileName
- )
+ return Load(
+ wxURI(
+ wxString( wxT("file://") ) + fileName
+ )
);
}
//---------------------------------------------------------------------------
void wxGStreamerMediaBackend::OnVideoCapsReady(GstPad* pad, GParamSpec* pspec, gpointer data)
{
- wxGStreamerMediaBackend::TransCapsToVideoSize((wxGStreamerMediaBackend*) data, pad);
+ wxGStreamerMediaBackend::TransCapsToVideoSize((wxGStreamerMediaBackend*) data, pad);
}
//---------------------------------------------------------------------------
// wxGStreamerMediaBackend::Load (URI version)
//
// 1) Stops/Cleanups the previous instance if there is any
-// 2) Creates the gstreamer interfaces - playbin and xvimagesink for video
-// 3) If there is no playbin or video sink it bails out
-// 4) Sets the playbin to have our video sink so we can set the window later
-// 5) Set up the error and end-of-stream callbacks for our player
-// 6) Make sure our video sink can support the x overlay interface
-// 7) Make sure the passed URI is valid and tell playbin to load it
-// 8) Use the xoverlay extension to tell gstreamer to play in our window
-// 9) Get the video size - pause required to set the stream in action
+// 2) Creates the gstreamer playbin
+// 3) If there is no playbin bail out
+// 4) Set up the error and end-of-stream callbacks for our player
+// 5) Make our video sink and make sure it supports the x overlay interface
+// 6) Make sure the passed URI is valid and tell playbin to load it
+// 7) Use the xoverlay extension to tell gstreamer to play in our window
+// 8) Get the video size - pause required to set the stream in action
//---------------------------------------------------------------------------
bool wxGStreamerMediaBackend::Load(const wxURI& location)
{
//1
Cleanup();
-
+
//2
m_player = gst_element_factory_make ("playbin", "play");
-// m_audiosink = gst_element_factory_make ("alsasink", "audiosink");
- m_videosink = gst_element_factory_make ("xvimagesink", "videosink");
//3
- //no playbin -- outta here :)
- if (!m_player || !GST_IS_OBJECT(m_videosink))
+ if (!m_player)
return false;
-
-// //have alsa?
-// if (GST_IS_OBJECT(m_audiosink) == false)
-// {
-// //nope, try OSS
-// m_audiosink = gst_element_factory_make ("osssink", "audiosink");
-// wxASSERT_MSG(GST_IS_OBJECT(m_audiosink), wxT("WARNING: Alsa and OSS drivers for gstreamer not found - audio will be unavailable for wxMediaCtrl"));
-// }
-
-
- //4
+
+ //4
+ g_signal_connect (m_player, "eos", G_CALLBACK (OnFinish), this);
+ g_signal_connect (m_player, "error", G_CALLBACK (OnError), this);
+
+ //5
+ GstElement* overlay = NULL;
+ GstElement* videosink;
+
+#if defined(__WXGTK__) && wxUSE_DYNLIB_CLASS
+
+ //use gnome-specific gstreamer extensions
+ //if synthisis (?) file not found, it
+ //spits out a warning and uses ximagesink
+ wxDynamicLibrary gstgconf;
+ if(gstgconf.Load(gstgconf.CanonicalizeName(wxT("gstgconf-0.8"))))
+ {
+ typedef GstElement* (*LPgst_gconf_get_default_video_sink) (void);
+ LPgst_gconf_get_default_video_sink pGst_gconf_get_default_video_sink =
+ (LPgst_gconf_get_default_video_sink)
+ gstgconf.GetSymbol(wxT("gst_gconf_get_default_video_sink"));
+
+ if (pGst_gconf_get_default_video_sink)
+ {
+ videosink = (*pGst_gconf_get_default_video_sink) ();
+ wxASSERT( GST_IS_BIN(videosink) );
+ overlay = gst_bin_get_by_interface (GST_BIN (videosink),
+ GST_TYPE_X_OVERLAY);
+ }
+
+ gstgconf.Detach();
+ }
+
+ if ( ! GST_IS_X_OVERLAY(overlay) )
+ {
+#endif
+ wxLogDebug(wxT("Could not load Gnome preferences, reverting to xvimagesink for video for gstreamer"));
+ videosink = gst_element_factory_make ("xvimagesink", "videosink");
+ if ( !GST_IS_OBJECT(videosink) )
+ videosink = gst_element_factory_make ("ximagesink", "videosink");
+
+ overlay = videosink;
+
+ wxASSERT( GST_IS_X_OVERLAY(overlay) );
+ if ( ! GST_IS_X_OVERLAY(overlay) )
+ return false;
+#if defined(__WXGTK__) && wxUSE_DYNLIB_CLASS
+ }
+#endif
+
g_object_set (G_OBJECT (m_player),
- "video-sink", m_videosink,
+ "video-sink", videosink,
// "audio-sink", m_audiosink,
NULL);
- //5
- g_signal_connect (m_player, "eos", G_CALLBACK (OnError), this);
- g_signal_connect (m_player, "error", G_CALLBACK (OnFinish), this);
-
//6
- wxASSERT( GST_IS_X_OVERLAY(m_videosink) );
- if ( ! GST_IS_X_OVERLAY(m_videosink) )
- return false;
-
- //7
wxString locstring = location.BuildUnescapedURI();
wxASSERT(gst_uri_protocol_is_valid("file"));
wxASSERT(gst_uri_is_valid(locstring.mb_str()));
g_object_set (G_OBJECT (m_player), "uri", (const char*)locstring.mb_str(), NULL);
-
- //8
+
+ //7
#ifdef __WXGTK__
if(!GTK_WIDGET_REALIZED(m_ctrl->m_wxwindow))
{
//Not realized yet - set to connect at realization time
- gtk_signal_connect( GTK_OBJECT(m_ctrl->m_wxwindow),
+ gtk_signal_connect( GTK_OBJECT(m_ctrl->m_wxwindow),
"realize",
GTK_SIGNAL_FUNC(wxGStreamerMediaBackend::OnGTKRealize),
(gpointer) this );
- }
+ }
else
{
wxYield(); //see realize callback...
wxASSERT(window);
#endif
-
- gst_x_overlay_set_xwindow_id( GST_X_OVERLAY(m_videosink),
+
+ gst_x_overlay_set_xwindow_id( GST_X_OVERLAY(overlay),
#ifdef __WXGTK__
GDK_WINDOW_XWINDOW( window )
#else
#endif
);
-#ifdef __WXGTK__
+#ifdef __WXGTK__
} //end else block
-#endif
-
- //9
- wxASSERT(gst_element_set_state (m_player,
- GST_STATE_PAUSED) == GST_STATE_SUCCESS);
-
+#endif
+
+ //8
+ int nResult = gst_element_set_state (m_player, GST_STATE_PAUSED);
+ if(nResult != GST_STATE_SUCCESS)
+ {
+ wxLogDebug(wxT("Could not set initial state to paused!"));
+ return false;
+ }
+
const GList *list = NULL;
g_object_get (G_OBJECT (m_player), "stream-info", &list, NULL);
+ bool bVideoFound = false;
+
for ( ; list != NULL; list = list->next)
{
GObject *info = (GObject *) list->data;
//but a lot of old plugins still use "pad" :)
pspec = g_object_class_find_property (
G_OBJECT_GET_CLASS (info), "object");
-
+
if (!pspec)
g_object_get (info, "pad", &pad, NULL);
else
g_object_get (info, "object", &pad, NULL);
-
+
pad = (GstPad *) GST_PAD_REALIZE (pad);
wxASSERT(pad);
{
//wait for those caps to get ready
g_signal_connect(
- pad,
- "notify::caps",
+ pad,
+ "notify::caps",
G_CALLBACK(wxGStreamerMediaBackend::OnVideoCapsReady),
this);
}
+
+ bVideoFound = true;
+ break;
}//end if video
else
{
m_videoSize = wxSize(0,0);
PostRecalcSize();
}
- }//end searching through info list
+ }//end searching through info list
+ if(!bVideoFound)
+ {
+ wxLogDebug(wxT("No video found for gstreamer stream"));
+ }
m_nPausedPos = 0;
+
+ //send loaded event
+ wxMediaEvent theEvent(wxEVT_MEDIA_LOADED,
+ m_ctrl->GetId());
+ m_ctrl->AddPendingEvent(theEvent);
+
return true;
}
//---------------------------------------------------------------------------
// wxGStreamerMediaBackend::GetPosition
//
-// If paused, returns our marked position - otherwise it queries the
+// If paused, returns our marked position - otherwise it queries the
// GStreamer playbin for the position and returns that
//
//TODO:
//TODO: In lue of the last big TODO, when you pause and seek gstreamer
-//TODO: doesn't update the position sometimes, so we need to keep track of whether
+//TODO: doesn't update the position sometimes, so we need to keep track of whether
//TODO: we have paused or not and keep track of the time after the pause
//TODO: and whenever the user seeks while paused
//TODO:
{
gint64 pos;
GstFormat fmtTime = GST_FORMAT_TIME;
-
+
if (!gst_element_query (m_player, GST_QUERY_POSITION, &fmtTime, &pos))
return 0;
return pos / GST_MSECOND ;
// Note that GST_MSECOND is 1000000 (GStreamer uses nanoseconds - so
// there is 1000000 nanoseconds in a millisecond)
//
-// If paused marks where we seeked to
+// If paused marks where we seeked to
//---------------------------------------------------------------------------
bool wxGStreamerMediaBackend::SetPosition(wxLongLong where)
{
{
if (GetState() != wxMEDIASTATE_PLAYING)
m_nPausedPos = where;
-
+
return true;
- }
-
+ }
+
return false;
}
// Returns our cached video size from Load/OnVideoCapsReady
//---------------------------------------------------------------------------
wxSize wxGStreamerMediaBackend::GetVideoSize() const
-{
+{
return m_videoSize;
}
#endif //wxUSE_GSTREAMER
//in source file that contains stuff you don't directly use
-#include <wx/html/forcelnk.h>
-FORCE_LINK_ME(basewxmediabackends);
+#include "wx/html/forcelnk.h"
+FORCE_LINK_ME(basewxmediabackends)
#endif //wxUSE_MEDIACTRL
-
-
-
-
-
projects / wxWidgets.git / blobdiff