-/////////////////////////////////////////////////////////////////////////////
-// Name: msw/moviectrl.cpp
-// Purpose: wxMovieCtrl MSW
-// Author: Ryan Norton <wxprojects@comcast.net>
-// Modified by:
-// Created: 11/07/04
-// RCS-ID: $Id$
-// Copyright: (c) Ryan Norton
-// Licence: wxWindows licence
-/////////////////////////////////////////////////////////////////////////////
-
-//#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-//#pragma implementation "moviectrl.h"
-//#endif
-
-// For compilers that support precompilation, includes "wx.h".
-#include "wx/wxprec.h"
-
-#ifdef __BORLANDC__
-#pragma hdrstop
-#endif
-
-#if wxUSE_MOVIECTRL
-
-#include "wx/moviectrl.h"
-#include "wx/msw/ole/oleutils.h" //for wxBasicString
-
-#include <dshow.h>
-
-IMPLEMENT_CLASS(wxMovieCtrl, wxControl);
-IMPLEMENT_DYNAMIC_CLASS(wxMovieEvent, wxEvent);
-DEFINE_EVENT_TYPE(wxEVT_MOVIE_FINISHED);
-
-#define SAFE_RELEASE(x) { if (x) x->Release(); x = NULL; }
-
-#define WM_GRAPHNOTIFY WM_USER+13
-
-#ifdef __WXDEBUG__
-#define wxDSVERIFY(x) wxASSERT( SUCCEEDED ((x)) )
-#else
-#define wxDSVERIFY(x) (x)
-#endif
-
-//it's there someplace :)
-extern "C" WXDLLIMPEXP_BASE HWND
-wxCreateHiddenWindow(LPCTSTR *pclassname, LPCTSTR classname, WNDPROC wndproc);
-
-bool wxMovieCtrl::Create(wxWindow* parent, wxWindowID id, const wxString& fileName,
- const wxString& label, const wxPoint& pos, const wxSize& size,
- long style, const wxString& name)
-{
- //do some window stuff - ORDER IS IMPORTANT
- //base create
- if ( !wxControl::Create(parent, id, pos, size, wxNO_BORDER | wxCLIP_CHILDREN, wxDefaultValidator, name) )
- return false;
-
- //Set our background color to black by default
- SetBackgroundColour(*wxBLACK);
-
- wxControl::SetLabel(label);
-
- if(!fileName.empty())
- {
- if (!Load(fileName))
- return false;
-
- if(!Play())
- return false;
- }
-
- return true;
-}
-
-bool wxMovieCtrl::Load(const wxString& fileName)
-{
- if(m_bLoaded)
- Cleanup();
-
- //cast helpers
- IGraphBuilder*& pGB = (IGraphBuilder*&) m_pGB;
- IMediaControl*& pMC = (IMediaControl*&) m_pMC;
- IMediaEventEx*& pME = (IMediaEventEx*&) m_pME;
- IVideoWindow*& pVW = (IVideoWindow*&) m_pVW;
- IBasicAudio*& pBA = (IBasicAudio*&) m_pBA;
- IBasicVideo*& pBV = (IBasicVideo*&) m_pBV;
- IMediaSeeking*& pMS = (IMediaSeeking*&) m_pMS;
-
- //create our filter graph
- CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
- IID_IGraphBuilder, (void**)&pGB);
-
- //load the graph & render
- if (FAILED(pGB->RenderFile(fileName.wc_str(wxConvLocal), NULL)))
- {
- wxFAIL_MSG("Could not load movie!");
- return false;
- }
-
- //get the interfaces, all of them
- wxDSVERIFY( pGB->QueryInterface(IID_IMediaControl, (void**)&pMC) );
- wxDSVERIFY( pGB->QueryInterface(IID_IMediaEventEx, (void**)&pME) );
- wxDSVERIFY( pGB->QueryInterface(IID_IMediaSeeking, (void**)&pMS) );
- wxDSVERIFY( pGB->QueryInterface(IID_IVideoWindow, (void**)&pVW) );
- wxDSVERIFY( pGB->QueryInterface(IID_IBasicAudio, (void**)&pBA) );
- wxDSVERIFY( pGB->QueryInterface(IID_IBasicVideo, (void**)&pBV) );
-
- //get the _actual_ size of the movie & remember it
- long nX, nY, nSX, nSY;
- if (FAILED(pVW->GetWindowPosition(&nX,&nY,&nSX,&nSY)))
- {
- m_bVideo = false;
-
- nSX = nSY = 0;
- }
- else
- {
- m_bVideo = true;
-
- this->Connect( wxID_ANY,
- wxEVT_SIZE,
- (wxObjectEventFunction) (wxEventFunction) (wxSizeEventFunction) &wxMovieCtrl::OnSize );
- }
-
- m_bestSize.x = nSX;
- m_bestSize.y = nSY;
-
- if (m_bVideo)
- {
- wxDSVERIFY( pVW->put_Owner((OAHWND)this->GetHandle()) );
- wxDSVERIFY( pVW->put_WindowStyle(WS_CHILD | WS_CLIPSIBLINGS) );
- wxDSVERIFY( pME->SetNotifyWindow((OAHWND)this->GetHandle(), WM_GRAPHNOTIFY, 0) );
- wxDSVERIFY( pVW->put_Visible(OATRUE) ); //OATRUE actually == -1 :)
- }
-
- //set the time format
- wxDSVERIFY( pMS->SetTimeFormat(&TIME_FORMAT_MEDIA_TIME) );
-
-
- SetLabel(GetLabel());
-
- m_bLoaded = true;
- return true;
-}
-
-void wxMovieCtrl::SetLabel(const wxString& label)
-{
- wxControl::SetLabel(label);
-
- IVideoWindow*& pVW = (IVideoWindow*&) m_pVW;
-
- //wxBasicString will have a null string on an
- //empty wxString - gotta love those workarounds!!
- if(!label.empty() && m_bVideo)
- {
- wxBasicString theBasicString(label.mb_str());
- wxDSVERIFY( pVW->put_Caption(theBasicString.Get()) );
- }
-}
-
-bool wxMovieCtrl::Play()
-{
- return SUCCEEDED( ((IMediaControl*&)m_pMC)->Run() );
-}
-
-bool wxMovieCtrl::Pause()
-{
- return SUCCEEDED( ((IMediaControl*&)m_pMC)->Pause() );
-}
-
-bool wxMovieCtrl::Stop()
-{
- return SUCCEEDED( ((IMediaControl*&)m_pMC)->Stop() );
-}
-
-#if wxUSE_DATETIME
-
-bool wxMovieCtrl::Seek(const wxTimeSpan& where)
-{
- //DS uses 100 nanos - so we need a 10 mult
- LONGLONG pos = (where.GetMilliseconds() * ((wxLongLong)10000)).GetValue();
-
- return SUCCEEDED( ((IMediaSeeking*&)m_pMS)->SetPositions(
- &pos,
- AM_SEEKING_AbsolutePositioning,
- NULL,
- AM_SEEKING_NoPositioning
- ) );
-}
-
-wxTimeSpan wxMovieCtrl::Tell()
-{
- LONGLONG outCur, outStop;
- wxDSVERIFY( ((IMediaSeeking*&)m_pMS)->GetPositions(&outCur, &outStop) );
-
- //h,m,s,milli - outdur is in 100 nanos
- return wxTimeSpan(0,0,0,outCur/10000);
-}
-
-wxTimeSpan wxMovieCtrl::Length()
-{
- LONGLONG outDuration;
- wxDSVERIFY( ((IMediaSeeking*&)m_pMS)->GetDuration(&outDuration) );
-
- //h,m,s,milli - outdur is in 100 nanos
- return wxTimeSpan(0,0, 0,outDuration/10000);
-}
-
-#endif // wxUSE_DATETIME
-
-wxMovieCtrlState wxMovieCtrl::GetState()
-{
- HRESULT hr;
- OAFilterState theState;
- hr = ((IMediaControl*&)m_pMC)->GetState(INFINITE, &theState);
-
- wxASSERT( SUCCEEDED(hr) );
-
- //MSW state is the same as ours
- //State_Stopped = 0,
- //State_Paused = State_Stopped + 1,
- //State_Running = State_Paused + 1
-
- return (wxMovieCtrlState) theState;
-}
-
-double wxMovieCtrl::GetPlaybackRate()
-{
- double dRate;
- wxDSVERIFY( ((IMediaSeeking*&)m_pMS)->GetRate(&dRate) );
- return dRate;
-}
-
-bool wxMovieCtrl::SetPlaybackRate(double dRate)
-{
- return SUCCEEDED( ((IMediaSeeking*&)m_pMS)->SetRate(dRate) );
-}
-
-WXLRESULT wxMovieCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
-{
- //cast helpers
-// IMediaControl*& pMC = (IMediaControl*&) m_pMC;
- IMediaEventEx*& pME = (IMediaEventEx*&) m_pME;
-// IMediaSeeking*& pMS = (IMediaSeeking*&) m_pMS;
-
- if (nMsg == WM_GRAPHNOTIFY)
- {
- LONG evCode, evParam1, evParam2;
- HRESULT hr=S_OK;
-
- // Process all queued events
- while(SUCCEEDED(pME->GetEvent(&evCode, (LONG_PTR *) &evParam1,
- (LONG_PTR *) &evParam2, 0)
- )
- )
- {
- // Free memory associated with callback, since we're not using it
- hr = pME->FreeEventParams(evCode, evParam1, evParam2);
-
- // If this is the end of the clip, notify handler
- if(EC_COMPLETE == evCode)
- {
- wxMovieEvent theEvent(wxEVT_MOVIE_FINISHED, this->GetId());
- GetParent()->ProcessEvent(theEvent);
-/*
- LONGLONG pos=0;
-
- // Reset to first frame of movie
- hr = pMS->SetPositions(&pos, AM_SEEKING_AbsolutePositioning ,
- NULL, AM_SEEKING_NoPositioning);
- if (FAILED(hr))
- {
- hr = pMC->Stop();
- // for filters that don't support seeking do a rewind
- if (FAILED(hr))
- {
- wxFAIL_MSG(
- wxString::Format(TEXT("Failed(0x%08lx) to stop media clip!\r\n"), hr)
- );
- break;
- }
-
- hr = hr = pMC->Run();
-
- if (FAILED(hr))
- {
- wxFAIL_MSG(
- wxString::Format(TEXT("Failed(0x%08lx) to reset media clip!\r\n"), hr)
- );
- break;
- }
- }
-*/
- }
- }
- return wxControl::MSWDefWindowProc(nMsg, wParam, lParam);
- }
- //pass the event to our parent
- return wxControl::MSWWindowProc(nMsg, wParam, lParam);
-}
-
-void wxMovieCtrl::Cleanup()
-{
- if(m_bVideo)
- this->Disconnect( wxID_ANY,
- wxEVT_SIZE,
- (wxObjectEventFunction) (wxEventFunction) (wxSizeEventFunction) &wxMovieCtrl::OnSize );
-
- //cast helpers
- IGraphBuilder*& pGB = (IGraphBuilder*&) m_pGB;
- IMediaControl*& pMC = (IMediaControl*&) m_pMC;
- IMediaEventEx*& pME = (IMediaEventEx*&) m_pME;
- IVideoWindow*& pVW = (IVideoWindow*&) m_pVW;
- IBasicAudio*& pBA = (IBasicAudio*&) m_pBA;
- IBasicVideo*& pBV = (IBasicVideo*&) m_pBV;
- IMediaSeeking*& pMS = (IMediaSeeking*&) m_pMS;
-
- // Hide then disown the window
- if(pVW)
- {
- pVW->put_Visible(OAFALSE); //OSFALSE == 0
- pVW->put_Owner(NULL);
- }
-
- // Release and zero DirectShow interfaces
- SAFE_RELEASE(pME);
- SAFE_RELEASE(pMS);
- SAFE_RELEASE(pMC);
- SAFE_RELEASE(pBA);
- SAFE_RELEASE(pBV);
- SAFE_RELEASE(pVW);
- SAFE_RELEASE(pGB);
-}
-
-wxMovieCtrl::~wxMovieCtrl()
-{
- if (m_bLoaded)
- Cleanup();
-}
-
-wxSize wxMovieCtrl::DoGetBestSize() const
-{
- return m_bestSize;
-}
-
-void wxMovieCtrl::OnSize(wxSizeEvent& evt)
-{
- IVideoWindow*& pVW = (IVideoWindow*&) m_pVW;
- wxDSVERIFY( pVW->SetWindowPosition(0, 0, evt.GetSize().GetWidth(), evt.GetSize().GetHeight()) );
-
- evt.Skip();
-}
-
-#endif //wxUSE_MOVIECTRL
\ No newline at end of file
projects / wxWidgets.git / commitdiff
