Put _something_ there for now....
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31762 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Ryan Norton
@@ -1,6 +1,6 @@
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/////////////////////////////////////////////////////////////////////////////
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// Name: mac/carbon/mediactrl.cpp
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// Purpose: Built-in Media Backends for Unix (stub)
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// Name: unix/mediactrl.cpp
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// Purpose: Built-in Media Backends for Unix
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// Author: Ryan Norton <wxprojects@comcast.net>
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// Modified by:
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// Created: 02/04/05
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@@ -38,6 +38,351 @@
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//---------------------------------------------------------------------------
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#if wxUSE_MEDIACTRL
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//===========================================================================
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// BACKEND DECLARATIONS
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//===========================================================================
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//---------------------------------------------------------------------------
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//
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// wxGStreamerMediaBackend
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//
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// This won't compile/work without a little work yet...
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// Uses nanoseconds...
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//---------------------------------------------------------------------------
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#if wxUSE_GSTREAMER
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//---------------------------------------------------------------------------
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// GStreamer Includes
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//---------------------------------------------------------------------------
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#include <gst/gst.h>
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#include <gst/xoverlay/xoverlay.h>
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#include <string.h> //strstr
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#include "wx/log.h"
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#ifdef __WXGTK__
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//for <gdk/gdkx.h>/related for GDK_WINDOW_XWINDOW
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# include "wx/gtk/win_gtk.h"
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#endif
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class WXDLLIMPEXP_MEDIA wxGStreamerMediaBackend : public wxMediaBackend
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{
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public:
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wxGStreamerMediaBackend();
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~wxGStreamerMediaBackend();
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virtual bool CreateControl(wxControl* ctrl, wxWindow* parent,
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wxWindowID id,
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const wxPoint& pos,
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const wxSize& size,
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long style,
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const wxValidator& validator,
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const wxString& name);
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virtual bool Play();
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virtual bool Pause();
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virtual bool Stop();
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virtual bool Load(const wxString& fileName);
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virtual bool Load(const wxURI& location);
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virtual wxMediaState GetState();
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virtual bool SetPosition(wxLongLong where);
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virtual wxLongLong GetPosition();
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virtual wxLongLong GetDuration();
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virtual void Move(int x, int y, int w, int h);
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wxSize GetVideoSize() const;
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virtual double GetPlaybackRate();
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virtual bool SetPlaybackRate(double dRate);
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void Cleanup();
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static void OnFinish(GstElement *play, gpointer data);
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static void OnError (GstElement *play, GstElement *src,
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GError *err, gchar *debug,
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gpointer data);
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GstElement* m_player; //GStreamer media element
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GstElement* m_audiosink;
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GstElement* m_videosink;
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DECLARE_DYNAMIC_CLASS(wxGStreamerMediaBackend);
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};
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//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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//
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// wxGStreamerMediaBackend
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//
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//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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IMPLEMENT_DYNAMIC_CLASS(wxGStreamerMediaBackend, wxMediaBackend);
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wxGStreamerMediaBackend::wxGStreamerMediaBackend()
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{
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}
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wxGStreamerMediaBackend::~wxGStreamerMediaBackend()
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{
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gst_element_set_state (m_player, GST_STATE_NULL);
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gst_object_unref (GST_OBJECT (m_player));
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gst_object_unref (GST_OBJECT (m_videosink));
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gst_object_unref (GST_OBJECT (m_audiosink));
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}
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bool wxGStreamerMediaBackend::CreateControl(wxControl* ctrl, wxWindow* parent,
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wxWindowID id,
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const wxPoint& pos,
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const wxSize& size,
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long style,
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const wxValidator& validator,
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const wxString& name)
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{
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//init gstreamer
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gst_init(NULL, NULL);
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//
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// Create window
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// By default wxWindow(s) is created with a border -
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// so we need to get rid of those return Load(
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//
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// Since we don't have a child window like most other
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// backends, we don't need wxCLIP_CHILDREN
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//
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if ( !
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ctrl->wxControl::Create(parent, id, pos, size,
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style, //remove borders???
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validator, name)
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)
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return false;
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m_player = gst_element_factory_make ("playbin", "play");
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m_audiosink = gst_element_factory_make ("alsasink", "audiosink");
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m_videosink = gst_element_factory_make ("xvimagesink", "videosink");
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g_object_set (G_OBJECT (m_player),
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"video-sink", m_videosink,
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"audio-sink", m_audiosink,
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NULL);
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g_signal_connect (m_player, "eos", G_CALLBACK (OnError), this);
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g_signal_connect (m_player, "error", G_CALLBACK (OnFinish), this);
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if ( ! GST_IS_X_OVERLAY(m_videosink) )
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return false;
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gst_x_overlay_set_xwindow_id( GST_X_OVERLAY(m_videosink),
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#ifdef __WXGTK__
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GDK_WINDOW_XWINDOW(ctrl->GetHandle())
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#else
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ctrl->GetHandle()
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#endif
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);
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return true;
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}
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void wxGStreamerMediaBackend::OnFinish(GstElement *play, gpointer data)
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{
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wxGStreamerMediaBackend* m_parent = (wxGStreamerMediaBackend*) data;
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wxMediaEvent theEvent(wxEVT_MEDIA_STOP,
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m_parent->m_ctrl->GetId());
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m_parent->m_ctrl->ProcessEvent(theEvent);
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if(theEvent.IsAllowed())
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{
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bool bOk = m_parent->Stop();
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wxASSERT(bOk);
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//send the event to our child
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wxMediaEvent theEvent(wxEVT_MEDIA_FINISHED,
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m_parent->m_ctrl->GetId());
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m_parent->m_ctrl->ProcessEvent(theEvent);
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}
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}
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void wxGStreamerMediaBackend::OnError(GstElement *play,
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GstElement *src,
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GError *err,
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gchar *debug,
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gpointer data)
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{
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wxLogSysError(wxString::Format(wxT("Error in GStreamer Playback!\nError Message:%s"), wxString(err->message).c_str()));
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}
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bool wxGStreamerMediaBackend::Load(const wxString& fileName)
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{
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return Load(
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wxURI(
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wxString( wxT("file://") ) + fileName
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)
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);
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}
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bool wxGStreamerMediaBackend::Load(const wxURI& location)
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{
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Cleanup();
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wxString locstring = location.BuildURI();
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if ( GST_STATE(m_player) > GST_STATE_READY )
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gst_element_set_state(m_player, GST_STATE_READY);
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g_object_set (G_OBJECT (m_player), "uri", locstring.c_str(), NULL);
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gst_x_overlay_expose(GST_X_OVERLAY(m_videosink));
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return GST_STATE(m_player) == GST_STATE_READY;
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}
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bool wxGStreamerMediaBackend::Play()
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{
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if (gst_element_set_state (m_player, GST_STATE_PLAYING)
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!= GST_STATE_SUCCESS)
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return false;
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return true;
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}
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bool wxGStreamerMediaBackend::Pause()
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{
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if (gst_element_set_state (m_player, GST_STATE_PAUSED)
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!= GST_STATE_SUCCESS)
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return false;
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return true;
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}
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bool wxGStreamerMediaBackend::Stop()
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{
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if (gst_element_set_state (m_player,
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GST_STATE_READY) != GST_STATE_SUCCESS)
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return false;
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return true;
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}
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wxMediaState wxGStreamerMediaBackend::GetState()
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{
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switch(GST_STATE(m_player))
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{
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case GST_STATE_PLAYING:
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return wxMEDIASTATE_PLAYING;
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case GST_STATE_PAUSED:
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return wxMEDIASTATE_PAUSED;
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default://case GST_STATE_READY:
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return wxMEDIASTATE_STOPPED;
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}
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}
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bool wxGStreamerMediaBackend::SetPosition(wxLongLong where)
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{
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return gst_element_seek (play, (GstSeekType) (GST_SEEK_METHOD_SET |
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GST_FORMAT_TIME | GST_SEEK_FLAG_FLUSH),
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where * GST_MSECOND );
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}
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wxLongLong wxGStreamerMediaBackend::GetPosition()
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{
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gint64 pos;
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GstFormat fmtTime = GST_FORMAT_TIME;
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if (!gst_element_query (play, GST_QUERY_POSITION, &fmtTime, &pos))
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return 0;
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return pos / GST_MSECOND ;
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}
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wxLongLong wxGStreamerMediaBackend::GetDuration()
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{
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gint64 length;
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GstFormat fmtTime = GST_FORMAT_TIME;
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if(!gst_element_query(m_player, GST_QUERY_TOTAL, &fmtTime, &length))
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return 0;
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return length / GST_MSECOND ;
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}
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void wxGStreamerMediaBackend::Move(int x, int y, int w, int h)
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{
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}
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wxSize wxGStreamerMediaBackend::GetVideoSize() const
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{
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//TODO: check state
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//TODO: maybe cache size
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wxSize retSize = wxSize(0,0);
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const GList *list = NULL;
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g_object_get (G_OBJECT (m_player), "stream-info", &list, NULL);
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for ( ; list != NULL; list = list->next)
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{
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GObject *info = (GObject *) list->data;
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gint type;
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GParamSpec *pspec;
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GEnumValue *val;
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GstPad *pad = NULL;
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g_object_get (info, "type", &type, NULL);
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pspec = g_object_class_find_property (
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G_OBJECT_GET_CLASS (info), "type");
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val = g_enum_get_value (G_PARAM_SPEC_ENUM (pspec)->enum_class, type);
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if (strstr (val->value_name, "VIDEO"))
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{
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g_object_get (info, "object", &pad, NULL);
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pad = (GstPad *) GST_PAD_REALIZE (pad);
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wxAssert(pad);
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GstCaps* caps = GST_PAD_CAPS (pad);
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wxAssert(caps);
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const GstStructure *s;
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s = gst_caps_get_structure (caps, 0);
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wxAssert(s);
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gst_structure_get_int (s, "width", &retSize.x);
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gst_structure_get_int (s, "height", &retSize.y);
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const GValue *par;
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par = gst_structure_get_value (s, "pixel-aspect-ratio"));
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if (par)
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{
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int num = gst_value_get_fraction_numerator (par),
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den = gst_value_get_fraction_denominator (par);
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//TODO: maybe better fraction normalization...
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if (num > den)
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retSize.x = (int) ((float) num * retSize.x / den);
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else
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retSize.y = (int) ((float) den * retSize.y / num);
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}
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}
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}
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}
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double wxGStreamerMediaBackend::GetPlaybackRate()
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{
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//guess...
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GstClock* theClock = gst_element_get_clock(m_player);
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wxAssert(theClock);
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return gst_clock_get_speed(theClock);
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}
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bool wxGStreamerMediaBackend::SetPlaybackRate(double dRate)
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{
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//guess...
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GstClock* theClock = gst_element_get_clock(m_player);
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wxAssert(theClock);
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return gst_clock_change_speed(theClock, GetPlaybackRate(), dRate)==dRate;
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}
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#endif //wxUSE_GSTREAMER
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//in source file that contains stuff you don't directly use
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#include <wx/html/forcelnk.h>
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FORCE_LINK_ME(basewxmediabackends);
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