/////////////////////////////////////////////////////////////////////////////
// Name: msw/mediactrl.cpp
-// Purpose: wxMediaCtrl MSW
+// Purpose: Built-in Media Backends for Windows
// Author: Ryan Norton <wxprojects@comcast.net>
-// Modified by:
+// Modified by:
// Created: 11/07/04
// RCS-ID: $Id$
// Copyright: (c) Ryan Norton
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
+//===========================================================================
+// DECLARATIONS
+//===========================================================================
+
//---------------------------------------------------------------------------
-// Pre-wx includes
+// Pre-compiled header stuff
//---------------------------------------------------------------------------
-//#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-//#pragma implementation "moviectrl.h"
-//#endif
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
+#pragma implementation "mediactrl.h"
+#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#pragma hdrstop
#endif
+//---------------------------------------------------------------------------
+// Includes
+//---------------------------------------------------------------------------
#include "wx/mediactrl.h"
+//---------------------------------------------------------------------------
+// Compilation guard
+//---------------------------------------------------------------------------
#if wxUSE_MEDIACTRL
-//###########################################################################
-// DECLARATIONS
-//###########################################################################
-
-IMPLEMENT_CLASS(wxMediaCtrl, wxControl);
-IMPLEMENT_DYNAMIC_CLASS(wxMediaEvent, wxEvent);
-DEFINE_EVENT_TYPE(wxEVT_MEDIA_FINISHED);
-
//---------------------------------------------------------------------------
-// wxMediaCtrlImpl
+// Externals (somewhere in src/msw/app.cpp)
//---------------------------------------------------------------------------
+extern "C" WXDLLIMPEXP_BASE HINSTANCE wxGetInstance(void);
+#ifdef __WXWINCE__
+extern WXDLLIMPEXP_CORE wxChar *wxCanvasClassName;
+#else
+extern WXDLLIMPEXP_CORE const wxChar *wxCanvasClassName;
+#endif
-class wxMediaCtrlImpl
-{
-public:
- wxMediaCtrlImpl() : m_bLoaded(false)
- { }
-
- virtual ~wxMediaCtrlImpl()
- { }
-
- virtual bool Create(wxMediaCtrl* WXUNUSED(ctrl))
- { return false; }
-
- virtual bool Play() { return false; }
- virtual bool Pause() { return false; }
- virtual bool Stop() { return false; }
-
- virtual bool Load(const wxString&) { return false; }
- virtual bool Load(const wxURI&) { return false; }
-
- virtual wxMediaState GetState() { return wxMEDIASTATE_STOPPED; }
-
- virtual bool SetPosition(long) { return 0; }
- virtual long GetPosition() { return 0; }
- virtual long GetDuration() { return 0; }
-
- virtual void DoMoveWindow(int, int, int, int) { }
- virtual wxSize DoGetBestSize() const { return wxSize(0,0); }
-
- virtual double GetPlaybackRate() { return 0; }
- virtual bool SetPlaybackRate(double) { return false; }
-
- virtual bool MSWWindowProc(WXUINT, WXWPARAM, WXLPARAM) { return false; }
-
- bool IsLoaded()
- { return m_bLoaded; }
-
- bool m_bLoaded;
-};
+//===========================================================================
+// BACKEND DECLARATIONS
+//===========================================================================
//---------------------------------------------------------------------------
-// wxDXMediaCtrlImpl
+//
+// wxAMMediaBackend
+//
//---------------------------------------------------------------------------
+//---------------------------------------------------------------------------
+// Compilation guard for DirectShow
+//---------------------------------------------------------------------------
#if wxUSE_DIRECTSHOW
+//---------------------------------------------------------------------------
+// DirectShow includes
+//---------------------------------------------------------------------------
#include <dshow.h>
-#define WM_GRAPHNOTIFY WM_USER+13
-
-#ifdef __WXDEBUG__
-#define wxDSVERIFY(x) wxASSERT( SUCCEEDED ((x)) )
-#else
-#define wxDSVERIFY(x) (x)
-#endif
-
-class wxDXMediaCtrlImpl : public wxMediaCtrlImpl
+class WXDLLIMPEXP_MEDIA wxAMMediaBackend : public wxMediaBackend
{
public:
- wxDXMediaCtrlImpl();
+ wxAMMediaBackend();
- virtual ~wxDXMediaCtrlImpl();
+ virtual ~wxAMMediaBackend();
- virtual bool Create(wxMediaCtrl* ctrl);
+ virtual bool CreateControl(wxControl* ctrl, wxWindow* parent,
+ wxWindowID id,
+ const wxPoint& pos,
+ const wxSize& size,
+ long style,
+ const wxValidator& validator,
+ const wxString& name);
virtual bool Play();
virtual bool Pause();
virtual wxMediaState GetState();
- virtual bool SetPosition(long where);
- virtual long GetPosition();
- virtual long GetDuration();
+ virtual bool SetPosition(wxLongLong where);
+ virtual wxLongLong GetPosition();
+ virtual wxLongLong GetDuration();
- virtual void DoMoveWindow(int x, int y, int w, int h);
- wxSize DoGetBestSize() const;
+ virtual void Move(int x, int y, int w, int h);
+ wxSize GetVideoSize() const;
virtual double GetPlaybackRate();
virtual bool SetPlaybackRate(double);
bool m_bVideo;
- bool MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
+ static LRESULT CALLBACK NotifyWndProc(HWND hWnd, UINT nMsg,
+ WPARAM wParam, LPARAM lParam);
+
+ LRESULT CALLBACK OnNotifyWndProc(HWND hWnd, UINT nMsg,
+ WPARAM wParam, LPARAM lParam);
- wxMediaCtrl* m_ctrl;
+ wxControl* m_ctrl;
IGraphBuilder* m_pGB;
IMediaControl* m_pMC;
IBasicVideo* m_pBV;
IMediaSeeking* m_pMS;
+ HWND m_hNotifyWnd;
wxSize m_bestSize;
+
+ DECLARE_DYNAMIC_CLASS(wxAMMediaBackend);
};
#endif //wxUSE_DIRECTSHOW
//---------------------------------------------------------------------------
-// wxWMMEMediaCtrlImpl
+//
+// wxMCIMediaBackend
+//
//---------------------------------------------------------------------------
+//---------------------------------------------------------------------------
+// MCI Includes
+//---------------------------------------------------------------------------
#include <mmsystem.h>
-#include <digitalv.h>
-class wxWMMEMediaCtrlImpl : public wxMediaCtrlImpl
+class WXDLLIMPEXP_MEDIA wxMCIMediaBackend : public wxMediaBackend
{
public:
-/*
- wxWMMEMediaCtrlImpl();
- ~wxWMMEMediaCtrlImpl();
+ wxMCIMediaBackend();
+ ~wxMCIMediaBackend();
- virtual bool Create(wxMediaCtrl* ctrl);
+ virtual bool CreateControl(wxControl* ctrl, wxWindow* parent,
+ wxWindowID id,
+ const wxPoint& pos,
+ const wxSize& size,
+ long style,
+ const wxValidator& validator,
+ const wxString& name);
virtual bool Play();
virtual bool Pause();
virtual wxMediaState GetState();
- virtual bool SetPosition(long where);
- virtual long GetPosition();
- virtual long GetDuration();
+ virtual bool SetPosition(wxLongLong where);
+ virtual wxLongLong GetPosition();
+ virtual wxLongLong GetDuration();
- virtual void DoMoveWindow(int x, int y, int w, int h);
- wxSize DoGetBestSize() const;
+ virtual void Move(int x, int y, int w, int h);
+ wxSize GetVideoSize() const;
virtual double GetPlaybackRate();
- virtual bool SetPlaybackRate(double);
-*/
- MCIDEVICEID m_hDev;
-};
+ virtual bool SetPlaybackRate(double dRate);
+ static LRESULT CALLBACK NotifyWndProc(HWND hWnd, UINT nMsg,
+ WPARAM wParam, LPARAM lParam);
-//###########################################################################
-//
-// IMPLEMENTATION
-//
-//###########################################################################
+ LRESULT CALLBACK OnNotifyWndProc(HWND hWnd, UINT nMsg,
+ WPARAM wParam, LPARAM lParam);
+
+ MCIDEVICEID m_hDev; //Our MCI Device ID/Handler
+ wxControl* m_ctrl; //Parent control
+ HWND m_hNotifyWnd; //Window to use for MCI events
+ bool m_bVideo; //Whether or not we have video
+
+ DECLARE_DYNAMIC_CLASS(wxMCIMediaBackend);
+};
//---------------------------------------------------------------------------
//
-// wxMediaCtrl
+// wxQTMediaBackend
//
//---------------------------------------------------------------------------
-bool wxMediaCtrl::Create(wxWindow* parent, wxWindowID id, const wxString& fileName,
- const wxPoint& pos, const wxSize& size,
- long style, long WXUNUSED(driver), const wxString& name)
-{
- //base create
- if ( !wxControl::Create(parent, id, pos, size, (style | wxNO_BORDER) | wxCLIP_CHILDREN,
- wxDefaultValidator, name) )
- return false;
-
- //Set our background color to black by default
- SetBackgroundColour(*wxBLACK);
+//---------------------------------------------------------------------------
+// QT Compilation Guard
+//---------------------------------------------------------------------------
+#if wxUSE_QUICKTIME
-#if wxUSE_DIRECTSHOW
- m_imp = new wxDXMediaCtrlImpl;
- if(!m_imp->Create(this))
- {
- delete m_imp;
-#endif
- m_imp = new wxWMMEMediaCtrlImpl;
- if(!m_imp->Create(this))
- {
- delete m_imp;
- m_imp = NULL;
- return false;
- }
-#if wxUSE_DIRECTSHOW
- }
-#endif
+//---------------------------------------------------------------------------
+// QT Includes
+//---------------------------------------------------------------------------
+#include <qtml.h> //Windoze QT include
+#include <QuickTimeComponents.h> //Standard QT stuff
- if(!fileName.empty())
- {
- if (!Load(fileName))
- return false;
- }
+class WXDLLIMPEXP_MEDIA wxQTMediaBackend : public wxMediaBackend
+{
+public:
- return true;
-}
+ wxQTMediaBackend();
+ ~wxQTMediaBackend();
-bool wxMediaCtrl::Create(wxWindow* parent, wxWindowID id, const wxURI& location,
- const wxPoint& pos, const wxSize& size,
- long style, long WXUNUSED(driver), const wxString& name)
-{
- //base create
- if ( !wxControl::Create(parent, id, pos, size, (style | wxNO_BORDER) | wxCLIP_CHILDREN,
- wxDefaultValidator, name) )
- return false;
+ virtual bool CreateControl(wxControl* ctrl, wxWindow* parent,
+ wxWindowID id,
+ const wxPoint& pos,
+ const wxSize& size,
+ long style,
+ const wxValidator& validator,
+ const wxString& name);
- //Set our background color to black by default
- SetBackgroundColour(*wxBLACK);
+ virtual bool Play();
+ virtual bool Pause();
+ virtual bool Stop();
-#if wxUSE_DIRECTSHOW
- m_imp = new wxDXMediaCtrlImpl;
- if(!m_imp->Create(this))
- {
- delete m_imp;
-#endif
- m_imp = new wxWMMEMediaCtrlImpl;
- if(!m_imp->Create(this))
- {
- delete m_imp;
- m_imp = NULL;
- return false;
- }
-#if wxUSE_DIRECTSHOW
- }
-#endif
+ virtual bool Load(const wxString& fileName);
+ virtual bool Load(const wxURI& location);
- if (!Load(location))
- return false;
+ virtual wxMediaState GetState();
- return true;
-}
+ virtual bool SetPosition(wxLongLong where);
+ virtual wxLongLong GetPosition();
+ virtual wxLongLong GetDuration();
-bool wxMediaCtrl::Load(const wxString& fileName)
-{
- if(m_imp)
- return m_imp->Load(fileName);
- return false;
-}
+ virtual void Move(int x, int y, int w, int h);
+ wxSize GetVideoSize() const;
-bool wxMediaCtrl::Load(const wxURI& location)
-{
- if(m_imp)
- return m_imp->Load(location);
- return false;
-}
+ virtual double GetPlaybackRate();
+ virtual bool SetPlaybackRate(double dRate);
-bool wxMediaCtrl::Play()
-{
- if(m_imp && m_imp->IsLoaded())
- return m_imp->Play();
- return false;
-}
+ void Cleanup();
+ void FinishLoad();
-bool wxMediaCtrl::Pause()
-{
- if(m_imp && m_imp->IsLoaded())
- return m_imp->Pause();
- return false;
-}
+ wxSize m_bestSize; //Original movie size
+ struct MovieRecord* m_movie; //QT Movie handle/instance
+ wxControl* m_ctrl; //Parent control
+ bool m_bVideo; //Whether or not we have video
+ class _wxQTTimer* m_timer; //Timer for streaming the movie
-bool wxMediaCtrl::Stop()
-{
- if(m_imp && m_imp->IsLoaded())
- return m_imp->Stop();
- return false;
-}
+ DECLARE_DYNAMIC_CLASS(wxQTMediaBackend);
+};
-double wxMediaCtrl::GetPlaybackRate()
-{
- if(m_imp && m_imp->IsLoaded())
- return m_imp->GetPlaybackRate();
- return 0;
-}
+//---------------------------------------------------------------------------
+// End QT Compilation Guard
+//---------------------------------------------------------------------------
+#endif //wxUSE_QUICKTIME
-bool wxMediaCtrl::SetPlaybackRate(double dRate)
-{
- if(m_imp && m_imp->IsLoaded())
- return m_imp->SetPlaybackRate(dRate);
- return false;
-}
+//===========================================================================
+// IMPLEMENTATION
+//===========================================================================
-bool wxMediaCtrl::SetPosition(long where)
-{
- if(m_imp && m_imp->IsLoaded())
- return m_imp->SetPosition(where);
- return false;
-}
+//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+//
+// wxAMMediaBackend
+//
+//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-long wxMediaCtrl::GetPosition()
-{
- if(m_imp && m_imp->IsLoaded())
- return m_imp->GetPosition();
- return 0;
-}
+//---------------------------------------------------------------------------
+// Only use if user wants it -
+//---------------------------------------------------------------------------
+#if wxUSE_DIRECTSHOW
-long wxMediaCtrl::GetDuration()
-{
- if(m_imp && m_imp->IsLoaded())
- return m_imp->GetDuration();
- return 0;
-}
+IMPLEMENT_DYNAMIC_CLASS(wxAMMediaBackend, wxMediaBackend);
-wxMediaState wxMediaCtrl::GetState()
-{
- if(m_imp && m_imp->IsLoaded())
- return m_imp->GetState();
- return wxMEDIASTATE_STOPPED;
-}
+// Numerical value for when the graph reaches the stop position
+#define WM_GRAPHNOTIFY WM_USER+13
-WXLRESULT wxMediaCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
-{
- if(m_imp && m_imp->IsLoaded() && m_imp->MSWWindowProc(nMsg, wParam, lParam) )
- return wxControl::MSWDefWindowProc(nMsg, wParam, lParam);
- //pass the event to our parent
- return wxControl::MSWWindowProc(nMsg, wParam, lParam);
+//---------------------------------------------------------------------------
+// Usual debugging macros
+//---------------------------------------------------------------------------
+#ifdef __WXDEBUG__
+#define wxAMVERIFY(x) \
+{ \
+ HRESULT hrdsv = (x); \
+ if ( FAILED(hrdsv) ) \
+ { \
+ /*TCHAR szError[MAX_ERROR_TEXT_LEN];*/ \
+ /*if( AMGetErrorText(hrdsv, szError, MAX_ERROR_TEXT_LEN) == 0)*/ \
+ /*{*/ \
+ /*wxFAIL_MSG( wxString::Format(wxT("DirectShow error \"%s\" ")*/\
+ /*wxT("occured at line %i in ")*/ \
+ /*wxT("mediactrl.cpp"),*/ \
+ /*szError, __LINE__) );*/ \
+ /*}*/ \
+ /*else*/ \
+ wxFAIL_MSG( wxString::Format(wxT("Unknown error (%i) ") \
+ wxT("occured at") \
+ wxT(" line %i in mediactrl.cpp."), \
+ (int)hrdsv, __LINE__) ); \
+ } \
}
+#define wxVERIFY(x) wxASSERT((x))
+#else
+#define wxAMVERIFY(x) (x)
+#define wxVERIFY(x) (x)
+#endif
-wxSize wxMediaCtrl::DoGetBestSize() const
-{
- if(m_imp && m_imp->IsLoaded())
- return m_imp->DoGetBestSize();
- return wxSize(0,0);
-}
+//---------------------------------------------------------------------------
+// Standard macros for ease of use
+//---------------------------------------------------------------------------
+#define SAFE_RELEASE(x) { if (x) x->Release(); x = NULL; }
-void wxMediaCtrl::DoMoveWindow(int x, int y, int w, int h)
+//---------------------------------------------------------------------------
+// wxAMMediaBackend Constructor
+//
+// Sets m_hNotifyWnd to NULL to signify that we haven't loaded anything yet
+//---------------------------------------------------------------------------
+wxAMMediaBackend::wxAMMediaBackend() : m_hNotifyWnd(NULL)
{
- wxControl::DoMoveWindow(x,y,w,h);
-
- if(m_imp && m_imp->IsLoaded())
- m_imp->DoMoveWindow(x, y, w, h);
}
-wxMediaCtrl::~wxMediaCtrl()
+//---------------------------------------------------------------------------
+// wxAMMediaBackend Destructor
+//
+// Cleans up everything
+//---------------------------------------------------------------------------
+wxAMMediaBackend::~wxAMMediaBackend()
{
- if (m_imp)
- delete m_imp;
+ if (m_hNotifyWnd)
+ Cleanup();
}
-
//---------------------------------------------------------------------------
+// wxAMMediaBackend::CreateControl
//
-// wxDXMediaCtrlImpl
+// ActiveMovie does not really have any native control to speak of,
+// so we just create a normal control.
//
+// We also check to see if ActiveMovie is installed
//---------------------------------------------------------------------------
-
-#if wxUSE_DIRECTSHOW
-
-wxDXMediaCtrlImpl::wxDXMediaCtrlImpl() : m_pGB(NULL)
-{
-}
-
-bool wxDXMediaCtrlImpl::Create(wxMediaCtrl* ctrl)
+bool wxAMMediaBackend::CreateControl(wxControl* ctrl, wxWindow* parent,
+ wxWindowID id,
+ const wxPoint& pos,
+ const wxSize& size,
+ long style,
+ const wxValidator& validator,
+ const wxString& name)
{
//create our filter graph
- HRESULT hr = CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
+ HRESULT hr = CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
IID_IGraphBuilder, (void**)&m_pGB);
//directshow not installed?
if ( FAILED(hr) )
return false;
- m_ctrl = ctrl;
+ //release the filter graph - we don't need it yet
+ m_pGB->Release();
+ m_pGB = NULL;
+
+ //
+ // Create window
+ // By default wxWindow(s) is created with a border -
+ // so we need to get rid of those, and create with
+ // wxCLIP_CHILDREN, so that if the driver/backend
+ // is a child window, it refereshes properly
+ //
+ if ( !ctrl->wxControl::Create(parent, id, pos, size,
+ (style & ~wxBORDER_MASK) | wxBORDER_NONE | wxCLIP_CHILDREN,
+ validator, name) )
+ return false;
+ m_ctrl = ctrl;
return true;
}
-#define SAFE_RELEASE(x) { if (x) x->Release(); x = NULL; }
-bool wxDXMediaCtrlImpl::Load(const wxString& fileName)
+//---------------------------------------------------------------------------
+// wxAMMediaBackend::Load (file version)
+//
+// Creates an Active Movie filter graph from a file or url
+//---------------------------------------------------------------------------
+bool wxAMMediaBackend::Load(const wxString& fileName)
{
- if(m_bLoaded)
- Cleanup();
-
- SAFE_RELEASE(m_pGB);
+ if(m_hNotifyWnd)
+ Cleanup();
CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
IID_IGraphBuilder, (void**)&m_pGB);
- //load the graph & render
+ //load the graph & render
if( FAILED(m_pGB->RenderFile(fileName.wc_str(wxConvLocal), NULL)) )
return false;
//get the interfaces, all of them
- wxDSVERIFY( m_pGB->QueryInterface(IID_IMediaControl, (void**)&m_pMC) );
- wxDSVERIFY( m_pGB->QueryInterface(IID_IMediaEventEx, (void**)&m_pME) );
- wxDSVERIFY( m_pGB->QueryInterface(IID_IMediaSeeking, (void**)&m_pMS) );
- wxDSVERIFY( m_pGB->QueryInterface(IID_IVideoWindow, (void**)&m_pVW) );
- wxDSVERIFY( m_pGB->QueryInterface(IID_IBasicAudio, (void**)&m_pBA) );
- wxDSVERIFY( m_pGB->QueryInterface(IID_IBasicVideo, (void**)&m_pBV) );
-
+ wxAMVERIFY( m_pGB->QueryInterface(IID_IMediaControl, (void**)&m_pMC) );
+ wxAMVERIFY( m_pGB->QueryInterface(IID_IMediaEventEx, (void**)&m_pME) );
+ wxAMVERIFY( m_pGB->QueryInterface(IID_IMediaSeeking, (void**)&m_pMS) );
+ wxAMVERIFY( m_pGB->QueryInterface(IID_IVideoWindow, (void**)&m_pVW) );
+ wxAMVERIFY( m_pGB->QueryInterface(IID_IBasicAudio, (void**)&m_pBA) );
+ wxAMVERIFY( m_pGB->QueryInterface(IID_IBasicVideo, (void**)&m_pBV) );
+
+ //We could tell if the media has audio or not by
+ //something like
+ //-----
//long lVolume;
- //pBA->get_Volume(&lVolume);
- //E_NOTIMPL
-
- //get the _actual_ size of the movie & remember it
- long nX, nY, nSX, nSY;
- if (FAILED(m_pVW->GetWindowPosition(&nX,&nY,&nSX,&nSY)))
+ //pBA->get_Volume(&lVolume) == E_NOTIMPL
+ //-----
+ //here...
+
+ //
+ //Obtain the _actual_ size of the movie & remember it
+ //
+ long nX,
+ nY;
+
+ m_bestSize.x = m_bestSize.y = 0;
+
+ m_bVideo = SUCCEEDED( m_pVW->GetWindowPosition( &nX,
+ &nY,
+ (long*)&m_bestSize.x,
+ (long*)&m_bestSize.y) );
+
+ //
+ //If we have video in the media - set it up so that
+ //its a child window of the control, its visible,
+ //and that the control is the owner of the video window
+ //
+ if (m_bVideo)
{
- m_bVideo = false;
-
- nSX = nSY = 0;
+ wxAMVERIFY( m_pVW->put_Owner((OAHWND)m_ctrl->GetHandle()) );
+ wxAMVERIFY( m_pVW->put_WindowStyle(WS_CHILD | WS_CLIPSIBLINGS) );
+ wxAMVERIFY( m_pVW->put_Visible(OATRUE) ); //OATRUE == -1
}
- else
+
+ //
+ // Create a hidden window and register to handle
+ // directshow events for this graph
+ // Note that wxCanvasClassName is already registered
+ // and used by all wxWindows and normal wxControls
+ //
+ m_hNotifyWnd = ::CreateWindow
+ (
+ wxCanvasClassName,
+ NULL,
+ 0, 0, 0, 0,
+ 0,
+ (HWND) NULL,
+ (HMENU)NULL,
+ wxGetInstance(),
+ (LPVOID) NULL
+ );
+
+ if(!m_hNotifyWnd)
{
- m_bVideo = true;
+ wxLogSysError( wxT("Could not create hidden needed for ")
+ wxT("registering for DirectShow events!") );
+
+ return false;
}
- m_bestSize.x = nSX;
- m_bestSize.y = nSY;
+ ::SetWindowLongPtr(m_hNotifyWnd, GWLP_WNDPROC,
+ (LONG_PTR)wxAMMediaBackend::NotifyWndProc);
- if (m_bVideo)
- {
- wxDSVERIFY( m_pVW->put_Owner((OAHWND)m_ctrl->GetHandle()) );
- wxDSVERIFY( m_pVW->put_WindowStyle(WS_CHILD | WS_CLIPSIBLINGS) );
- wxDSVERIFY( m_pVW->put_Visible(OATRUE) ); //OATRUE == -1
- }
+ ::SetWindowLong(m_hNotifyWnd, GWL_USERDATA,
+ (LONG) this);
- //make it so that wxEVT_MOVIE_FINISHED works
- wxDSVERIFY( m_pME->SetNotifyWindow((OAHWND)m_ctrl->GetHandle(), WM_GRAPHNOTIFY, 0) );
+ wxAMVERIFY( m_pME->SetNotifyWindow((OAHWND)m_hNotifyWnd,
+ WM_GRAPHNOTIFY, 0) );
+ //
//set the time format
- wxDSVERIFY( m_pMS->SetTimeFormat(&TIME_FORMAT_MEDIA_TIME) );
-
- //work around refresh issues
- wxSize size = m_ctrl->GetParent()->GetSize();
- m_ctrl->GetParent()->SetSize(wxSize(size.x+1, size.y+1));
- m_ctrl->GetParent()->Refresh();
- m_ctrl->GetParent()->Update();
- m_ctrl->GetParent()->SetSize(size);
+ //
+ wxAMVERIFY( m_pMS->SetTimeFormat(&TIME_FORMAT_MEDIA_TIME) );
+
+ //
+ // Force the parent window of this control to recalculate
+ // the size of this if sizers are being used
+ // and render the results immediately
+ //
+ m_ctrl->InvalidateBestSize();
+ m_ctrl->GetParent()->Layout();
m_ctrl->GetParent()->Refresh();
m_ctrl->GetParent()->Update();
- m_bLoaded = true;
return true;
}
-bool wxDXMediaCtrlImpl::Load(const wxURI& location)
+//---------------------------------------------------------------------------
+// wxAMMediaBackend::Load (URL Version)
+//
+// Loads media from a URL. Interestingly enough DirectShow
+// appears (?) to escape the URL for us, at least on normal
+// files
+//---------------------------------------------------------------------------
+bool wxAMMediaBackend::Load(const wxURI& location)
{
return Load(location.BuildUnescapedURI());
}
-bool wxDXMediaCtrlImpl::Play()
+//---------------------------------------------------------------------------
+// wxAMMediaBackend::Play
+//
+// Plays the stream. If it is non-seekable, it will restart it.
+//---------------------------------------------------------------------------
+bool wxAMMediaBackend::Play()
{
return SUCCEEDED( m_pMC->Run() );
}
-bool wxDXMediaCtrlImpl::Pause()
+//---------------------------------------------------------------------------
+// wxAMMediaBackend::Pause
+//
+// Pauses the stream.
+//---------------------------------------------------------------------------
+bool wxAMMediaBackend::Pause()
{
return SUCCEEDED( m_pMC->Pause() );
}
-bool wxDXMediaCtrlImpl::Stop()
+//---------------------------------------------------------------------------
+// wxAMMediaBackend::Stop
+//
+// Stops the stream.
+//---------------------------------------------------------------------------
+bool wxAMMediaBackend::Stop()
{
- return SUCCEEDED( m_pMC->Stop() ) && SetPosition(0);
+ bool bOK = SUCCEEDED( m_pMC->Stop() );
+
+ //We don't care if it can't get to the beginning in directshow -
+ //it could be a non-seeking filter (wince midi) in which case playing
+ //starts all over again
+ SetPosition(0);
+ return bOK;
}
-bool wxDXMediaCtrlImpl::SetPosition(long where)
+//---------------------------------------------------------------------------
+// wxAMMediaBackend::SetPosition
+//
+// 1) Translates the current position's time to directshow time,
+// which is in a scale of 100 nanoseconds
+// 2) Sets the play position of the IMediaSeeking interface -
+// passing NULL as the stop position means to keep the old
+// stop position
+//---------------------------------------------------------------------------
+bool wxAMMediaBackend::SetPosition(wxLongLong where)
{
- //DS uses 100 nanos - so we need a 10 mult
- LONGLONG pos = ((LONGLONG)where) * 10000;
+ LONGLONG pos = ((LONGLONG)where.GetValue()) * 10000;
return SUCCEEDED( m_pMS->SetPositions(
- &pos,
+ &pos,
AM_SEEKING_AbsolutePositioning,
- NULL,
+ NULL,
AM_SEEKING_NoPositioning
) );
}
-long wxDXMediaCtrlImpl::GetPosition()
+//---------------------------------------------------------------------------
+// wxAMMediaBackend::GetPosition
+//
+// 1) Obtains the current play and stop positions from IMediaSeeking
+// 2) Returns the play position translated to our time base
+//---------------------------------------------------------------------------
+wxLongLong wxAMMediaBackend::GetPosition()
{
LONGLONG outCur, outStop;
- wxDSVERIFY( m_pMS->GetPositions(&outCur, &outStop) );
+ wxAMVERIFY( m_pMS->GetPositions(&outCur, &outStop) );
//h,m,s,milli - outdur is in 100 nanos
return outCur/10000;
}
-long wxDXMediaCtrlImpl::GetDuration()
+//---------------------------------------------------------------------------
+// wxAMMediaBackend::GetDuration
+//
+// 1) Obtains the duration of the media from the IMediaSeeking interface
+// 2) Converts that value to our time base, and returns it
+//---------------------------------------------------------------------------
+wxLongLong wxAMMediaBackend::GetDuration()
{
LONGLONG outDuration;
- wxDSVERIFY( m_pMS->GetDuration(&outDuration) );
+ wxAMVERIFY( m_pMS->GetDuration(&outDuration) );
//h,m,s,milli - outdur is in 100 nanos
return outDuration/10000;
}
-wxMediaState wxDXMediaCtrlImpl::GetState()
+//---------------------------------------------------------------------------
+// wxAMMediaBackend::GetState
+//
+// Obtains the state from the IMediaControl interface.
+// Note that it's enumeration values for stopping/playing
+// etc. are the same as ours, so we just do a straight cast.
+// TODO: MS recommends against INFINITE here for
+// IMediaControl::GetState- do it in stages
+//---------------------------------------------------------------------------
+wxMediaState wxAMMediaBackend::GetState()
{
- //TODO: MS recommends against INFINITE here - do it in stages
HRESULT hr;
OAFilterState theState;
hr = m_pMC->GetState(INFINITE, &theState);
-
+
wxASSERT( SUCCEEDED(hr) );
//MSW state is the same as ours
return (wxMediaState) theState;
}
-double wxDXMediaCtrlImpl::GetPlaybackRate()
+//---------------------------------------------------------------------------
+// wxAMMediaBackend::GetPlaybackRate
+//
+// Pretty simple way of obtaining the playback rate from
+// the IMediaSeeking interface
+//---------------------------------------------------------------------------
+double wxAMMediaBackend::GetPlaybackRate()
{
double dRate;
- wxDSVERIFY( m_pMS->GetRate(&dRate) );
+ wxAMVERIFY( m_pMS->GetRate(&dRate) );
return dRate;
}
-bool wxDXMediaCtrlImpl::SetPlaybackRate(double dRate)
+//---------------------------------------------------------------------------
+// wxAMMediaBackend::SetPlaybackRate
+//
+// Sets the playback rate of the media - DirectShow is pretty good
+// about this, actually
+//---------------------------------------------------------------------------
+bool wxAMMediaBackend::SetPlaybackRate(double dRate)
{
return SUCCEEDED( m_pMS->SetRate(dRate) );
}
-bool wxDXMediaCtrlImpl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
+//---------------------------------------------------------------------------
+// wxAMMediaBackend::NotifyWndProc
+//
+// Here we check to see if DirectShow tells us we've reached the stop
+// position in our stream - if it has, it may not actually stop
+// the stream - which we need to do...
+//---------------------------------------------------------------------------
+LRESULT CALLBACK wxAMMediaBackend::NotifyWndProc(HWND hWnd, UINT nMsg,
+ WPARAM wParam,
+ LPARAM lParam)
+{
+ wxAMMediaBackend* backend = (wxAMMediaBackend*)
+ ::GetWindowLong(hWnd, GWL_USERDATA);
+
+ return backend->OnNotifyWndProc(hWnd, nMsg, wParam, lParam);
+}
+
+LRESULT CALLBACK wxAMMediaBackend::OnNotifyWndProc(HWND hWnd, UINT nMsg,
+ WPARAM wParam,
+ LPARAM lParam)
{
if (nMsg == WM_GRAPHNOTIFY)
{
- LONG evCode, evParam1, evParam2;
- HRESULT hr=S_OK;
-
- // Process all queued events
+ LONG evCode,
+ evParam1,
+ evParam2;
+
+ //
+ // DirectShow keeps a list of queued events, and we need
+ // to go through them one by one, stopping at (Hopefully only one)
+ // EC_COMPLETE message
+ //
while(SUCCEEDED(m_pME->GetEvent(&evCode, (LONG_PTR *) &evParam1,
- (LONG_PTR *) &evParam2, 0)
- )
+ (LONG_PTR *) &evParam2, 0)
+ )
)
{
- // Free memory associated with callback, since we're not using it
- hr = m_pME->FreeEventParams(evCode, evParam1, evParam2);
+ // Cleanup memory that GetEvent allocated
+ wxAMVERIFY( m_pME->FreeEventParams(evCode, evParam1, evParam2) );
// If this is the end of the clip, notify handler
if(EC_COMPLETE == evCode)
{
-#ifdef __WXDEBUG__
- wxASSERT( Stop() );
-#else
- Stop();
-#endif
- wxMediaEvent theEvent(wxEVT_MEDIA_FINISHED, m_ctrl->GetId());
- m_ctrl->GetParent()->ProcessEvent(theEvent);
+ //send the event to our child
+ wxMediaEvent theEvent(wxEVT_MEDIA_STOP, m_ctrl->GetId());
+ m_ctrl->ProcessEvent(theEvent);
+
+ //if the user didn't veto it, stop the stream
+ if (theEvent.IsAllowed())
+ {
+ //Interestingly enough, DirectShow does not actually stop
+ //the filters - even when it reaches the end!
+ wxVERIFY( Stop() );
+
+ //send the event to our child
+ wxMediaEvent theEvent(wxEVT_MEDIA_FINISHED,
+ m_ctrl->GetId());
+ m_ctrl->ProcessEvent(theEvent);
+ }
}
- }
- return true;
+ }
}
- return false;
+ return DefWindowProc(hWnd, nMsg, wParam, lParam);
}
-void wxDXMediaCtrlImpl::Cleanup()
+//---------------------------------------------------------------------------
+// wxAMMediaBackend::Cleanup
+//
+// 1) Hide/disowns the video window (MS says bad things will happen if
+// you don't)
+// 2) Releases all the directshow interfaces we use
+// TODO: Maybe there's a way to redirect the IGraphBuilder each time
+// we load, rather then creating and destroying the interfaces
+// each time?
+//---------------------------------------------------------------------------
+void wxAMMediaBackend::Cleanup()
{
// Hide then disown the window
if(m_pVW)
SAFE_RELEASE(m_pBA);
SAFE_RELEASE(m_pBV);
SAFE_RELEASE(m_pVW);
-}
-
-wxDXMediaCtrlImpl::~wxDXMediaCtrlImpl()
-{
- if (m_bLoaded)
- Cleanup();
-
SAFE_RELEASE(m_pGB);
+
+ // Get rid of our hidden Window
+ DestroyWindow(m_hNotifyWnd);
+ m_hNotifyWnd = NULL;
}
-wxSize wxDXMediaCtrlImpl::DoGetBestSize() const
+
+//---------------------------------------------------------------------------
+// wxAMMediaBackend::GetVideoSize
+//
+// Obtains the cached original video size
+//---------------------------------------------------------------------------
+wxSize wxAMMediaBackend::GetVideoSize() const
{
return m_bestSize;
}
-void wxDXMediaCtrlImpl::DoMoveWindow(int x, int y, int w, int h)
+//---------------------------------------------------------------------------
+// wxAMMediaBackend::Move
+//
+// Resizes the IVideoWindow to the size of the control window
+//---------------------------------------------------------------------------
+void wxAMMediaBackend::Move(int x, int y, int w, int h)
{
- if(m_bLoaded && m_bVideo)
+ if(m_hNotifyWnd && m_bVideo)
{
- wxDSVERIFY( m_pVW->SetWindowPosition(0, 0, w, h) );
+ wxAMVERIFY( m_pVW->SetWindowPosition(0, 0, w, h) );
}
}
+//---------------------------------------------------------------------------
+// End of wxAMMediaBackend
+//---------------------------------------------------------------------------
#endif //wxUSE_DIRECTSHOW
-//---------------------------------------------------------------------------
+//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//
-// wxWMMEMediaCtrlImpl
+// wxMCIMediaBackend
//
+//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+
+IMPLEMENT_DYNAMIC_CLASS(wxMCIMediaBackend, wxMediaBackend);
+
+//---------------------------------------------------------------------------
+// Usual debugging macros for MCI returns
+//---------------------------------------------------------------------------
+
+#ifdef __WXDEBUG__
+#define wxMCIVERIFY(arg) \
+{ \
+ DWORD nRet; \
+ if ( (nRet = (arg)) != 0) \
+ { \
+ TCHAR sz[5000]; \
+ mciGetErrorString(nRet, sz, 5000); \
+ wxFAIL_MSG(wxString::Format(_T("MCI Error:%s"), sz)); \
+ } \
+}
+#else
+#define wxMCIVERIFY(arg) (arg);
+#endif
+
+//---------------------------------------------------------------------------
+// Simulation for <digitalv.h>
+//
+// Mingw and possibly other compilers don't have the digitalv.h header
+// that is needed to have some essential features of mci work with
+// windows - so we provide the declarations for the types we use here
+//---------------------------------------------------------------------------
+
+typedef struct {
+ DWORD_PTR dwCallback;
+#ifdef MCI_USE_OFFEXT
+ POINT ptOffset;
+ POINT ptExtent;
+#else
+ RECT rc;
+#endif
+} MCI_DGV_RECT_PARMS;
+
+typedef struct {
+ DWORD_PTR dwCallback;
+ HWND hWnd;
+#ifndef _WIN32
+ WORD wReserved1;
+#endif
+ UINT nCmdShow;
+#ifndef _WIN32
+ WORD wReserved2;
+#endif
+ wxChar* lpstrText;
+} MCI_DGV_WINDOW_PARMS;
+
+typedef struct {
+ DWORD_PTR dwCallback;
+ DWORD dwTimeFormat;
+ DWORD dwAudio;
+ DWORD dwFileFormat;
+ DWORD dwSpeed;
+} MCI_DGV_SET_PARMS;
+
+//---------------------------------------------------------------------------
+// wxMCIMediaBackend Constructor
+//
+// Here we don't need to do much except say we don't have any video :)
+//---------------------------------------------------------------------------
+wxMCIMediaBackend::wxMCIMediaBackend() : m_hNotifyWnd(NULL), m_bVideo(false)
+{
+}
+
+//---------------------------------------------------------------------------
+// wxMCIMediaBackend Destructor
+//
+// We close the mci device - note that there may not be an mci device here,
+// or it may fail - but we don't really care, since we're destructing
+//---------------------------------------------------------------------------
+wxMCIMediaBackend::~wxMCIMediaBackend()
+{
+ if(m_hNotifyWnd)
+ {
+ mciSendCommand(m_hDev, MCI_CLOSE, 0, 0);
+ DestroyWindow(m_hNotifyWnd);
+ m_hNotifyWnd = NULL;
+ }
+}
+
+//---------------------------------------------------------------------------
+// wxMCIMediaBackend::Create
+//
+// Here we just tell wxMediaCtrl that mci does exist (which it does, on all
+// msw systems, at least in some form dating back to win16 days)
+//---------------------------------------------------------------------------
+bool wxMCIMediaBackend::CreateControl(wxControl* ctrl, wxWindow* parent,
+ wxWindowID id,
+ const wxPoint& pos,
+ const wxSize& size,
+ long style,
+ const wxValidator& validator,
+ const wxString& name)
+{
+ //
+ // Create window
+ // By default wxWindow(s) is created with a border -
+ // so we need to get rid of those, and create with
+ // wxCLIP_CHILDREN, so that if the driver/backend
+ // is a child window, it refereshes properly
+ //
+ if ( !ctrl->wxControl::Create(parent, id, pos, size,
+ (style & ~wxBORDER_MASK) | wxBORDER_NONE | wxCLIP_CHILDREN,
+ validator, name) )
+ return false;
+
+ m_ctrl = ctrl;
+ return true;
+}
+
+//---------------------------------------------------------------------------
+// wxMCIMediaBackend::Load (file version)
+//
+// Here we have MCI load a file and device, set the time format to our
+// default (milliseconds), and set the video (if any) to play in the control
+//---------------------------------------------------------------------------
+bool wxMCIMediaBackend::Load(const wxString& fileName)
+{
+ //
+ //if the user already called load close the previous MCI device
+ //
+ if(m_hNotifyWnd)
+ {
+ mciSendCommand(m_hDev, MCI_CLOSE, 0, 0);
+ DestroyWindow(m_hNotifyWnd);
+ m_hNotifyWnd = NULL;
+ }
+
+ //
+ //Opens a file and has MCI select a device. Normally you'd put
+ //MCI_OPEN_TYPE in addition to MCI_OPEN_ELEMENT - however if you
+ //omit this it tells MCI to select the device instead. This is
+ //good because we have no reliable way of "enumerating" the devices
+ //in MCI
+ //
+ MCI_OPEN_PARMS openParms;
+ openParms.lpstrElementName = (wxChar*) fileName.c_str();
+
+ if ( mciSendCommand(0, MCI_OPEN, MCI_OPEN_ELEMENT,
+ (DWORD)(LPVOID)&openParms) != 0)
+ return false;
+
+ m_hDev = openParms.wDeviceID;
+
+ //
+ //Now set the time format for the device to milliseconds
+ //
+ MCI_SET_PARMS setParms;
+ setParms.dwCallback = 0;
+ setParms.dwTimeFormat = MCI_FORMAT_MILLISECONDS;
+
+ if (mciSendCommand(m_hDev, MCI_SET, MCI_SET_TIME_FORMAT,
+ (DWORD)(LPVOID)&setParms) != 0)
+ return false;
+
+ //
+ //Now tell the MCI device to display the video in our wxMediaCtrl
+ //
+ MCI_DGV_WINDOW_PARMS windowParms;
+ windowParms.hWnd = (HWND)m_ctrl->GetHandle();
+
+ m_bVideo = (mciSendCommand(m_hDev, MCI_WINDOW,
+ 0x00010000L, //MCI_DGV_WINDOW_HWND
+ (DWORD)(LPVOID)&windowParms) == 0);
+
+ //
+ // Create a hidden window and register to handle
+ // MCI events
+ // Note that wxCanvasClassName is already registered
+ // and used by all wxWindows and normal wxControls
+ //
+ m_hNotifyWnd = ::CreateWindow
+ (
+ wxCanvasClassName,
+ NULL,
+ 0, 0, 0, 0,
+ 0,
+ (HWND) NULL,
+ (HMENU)NULL,
+ wxGetInstance(),
+ (LPVOID) NULL
+ );
+
+ if(!m_hNotifyWnd)
+ {
+ wxLogSysError( wxT("Could not create hidden needed for ")
+ wxT("registering for DirectShow events!") );
+
+ return false;
+ }
+
+ ::SetWindowLong(m_hNotifyWnd, GWL_WNDPROC,
+ (LONG)wxMCIMediaBackend::NotifyWndProc);
+
+ ::SetWindowLong(m_hNotifyWnd, GWL_USERDATA,
+ (LONG) this);
+
+ m_ctrl->Show(false);
+
+ //
+ //Here, if the parent of the control has a sizer - we
+ //tell it to recalculate the size of this control since
+ //the user opened a seperate media file
+ //
+ m_ctrl->InvalidateBestSize();
+ m_ctrl->GetParent()->Layout();
+ m_ctrl->GetParent()->Refresh();
+ m_ctrl->GetParent()->Update();
+
+ return true;
+}
+
+//---------------------------------------------------------------------------
+// wxMCIMediaBackend::Load (URL version)
+//
+// MCI doesn't support URLs directly (?)
+//
+// TODO: Use wxURL/wxFileSystem and mmioInstallProc
+//---------------------------------------------------------------------------
+bool wxMCIMediaBackend::Load(const wxURI& WXUNUSED(location))
+{
+ return false;
+}
+
+//---------------------------------------------------------------------------
+// wxMCIMediaBackend::Play
+//
+// Plays/Resumes the MCI device... a couple notes:
+// 1) Certain drivers will crash and burn if we don't pass them an
+// MCI_PLAY_PARMS, despite the documentation that says otherwise...
+// 2) There is a MCI_RESUME command, but MCI_PLAY does the same thing
+// and will resume from a stopped state also, so there's no need to
+// call both, for example
+//---------------------------------------------------------------------------
+bool wxMCIMediaBackend::Play()
+{
+ MCI_PLAY_PARMS playParms;
+ playParms.dwCallback = (DWORD)m_hNotifyWnd;
+
+ bool bOK = ( mciSendCommand(m_hDev, MCI_PLAY, MCI_NOTIFY,
+ (DWORD)(LPVOID)&playParms) == 0 );
+
+ if(bOK)
+ m_ctrl->Show(m_bVideo);
+
+ return bOK;
+}
+
+//---------------------------------------------------------------------------
+// wxMCIMediaBackend::Pause
+//
+// Pauses the MCI device - nothing special
+//---------------------------------------------------------------------------
+bool wxMCIMediaBackend::Pause()
+{
+ return (mciSendCommand(m_hDev, MCI_PAUSE, MCI_WAIT, 0) == 0);
+}
+
+//---------------------------------------------------------------------------
+// wxMCIMediaBackend::Stop
+//
+// Stops the MCI device & seeks to the beginning as wxMediaCtrl docs outline
+//---------------------------------------------------------------------------
+bool wxMCIMediaBackend::Stop()
+{
+ return (mciSendCommand(m_hDev, MCI_STOP, MCI_WAIT, 0) == 0) &&
+ (mciSendCommand(m_hDev, MCI_SEEK, MCI_SEEK_TO_START, 0) == 0);
+}
+
+//---------------------------------------------------------------------------
+// wxMCIMediaBackend::GetState
+//
+// Here we get the state and convert it to a wxMediaState -
+// since we use direct comparisons with MCI_MODE_PLAY and
+// MCI_MODE_PAUSE, we don't care if the MCI_STATUS call
+// fails or not
+//---------------------------------------------------------------------------
+wxMediaState wxMCIMediaBackend::GetState()
+{
+ MCI_STATUS_PARMS statusParms;
+ statusParms.dwItem = MCI_STATUS_MODE;
+
+ mciSendCommand(m_hDev, MCI_STATUS, MCI_STATUS_ITEM,
+ (DWORD)(LPVOID)&statusParms);
+
+ if(statusParms.dwReturn == MCI_MODE_PAUSE)
+ return wxMEDIASTATE_PAUSED;
+ else if(statusParms.dwReturn == MCI_MODE_PLAY)
+ return wxMEDIASTATE_PLAYING;
+ else
+ return wxMEDIASTATE_STOPPED;
+}
+
+//---------------------------------------------------------------------------
+// wxMCIMediaBackend::SetPosition
+//
+// Here we set the position of the device in the stream.
+// Note that MCI actually stops the device after you seek it if the
+// device is playing/paused, so we need to play the file after
+// MCI seeks like normal APIs would
+//---------------------------------------------------------------------------
+bool wxMCIMediaBackend::SetPosition(wxLongLong where)
+{
+ MCI_SEEK_PARMS seekParms;
+ seekParms.dwCallback = 0;
+#if wxUSE_LONGLONG_NATIVE && !wxUSE_LONGLONG_WX
+ seekParms.dwTo = (DWORD)where.GetValue();
+#else /* wxUSE_LONGLONG_WX */
+ /* no way to return it in one piece */
+ wxASSERT( where.GetHi()==0 );
+ seekParms.dwTo = (DWORD)where.GetLo();
+#endif /* wxUSE_LONGLONG_* */
+
+ //device was playing?
+ bool bReplay = GetState() == wxMEDIASTATE_PLAYING;
+
+ if( mciSendCommand(m_hDev, MCI_SEEK, MCI_TO,
+ (DWORD)(LPVOID)&seekParms) != 0)
+ return false;
+
+ //If the device was playing, resume it
+ if (bReplay)
+ return Play();
+ else
+ return true;
+}
+
+//---------------------------------------------------------------------------
+// wxMCIMediaBackend::GetPosition
+//
+// Gets the position of the device in the stream using the current
+// time format... nothing special here...
+//---------------------------------------------------------------------------
+wxLongLong wxMCIMediaBackend::GetPosition()
+{
+ MCI_STATUS_PARMS statusParms;
+ statusParms.dwItem = MCI_STATUS_POSITION;
+
+ if (mciSendCommand(m_hDev, MCI_STATUS, MCI_STATUS_ITEM,
+ (DWORD)(LPSTR)&statusParms) != 0)
+ return 0;
+
+ return statusParms.dwReturn;
+}
+
+//---------------------------------------------------------------------------
+// wxMCIMediaBackend::GetDuration
+//
+// Gets the duration of the stream... nothing special
+//---------------------------------------------------------------------------
+wxLongLong wxMCIMediaBackend::GetDuration()
+{
+ MCI_STATUS_PARMS statusParms;
+ statusParms.dwItem = MCI_STATUS_LENGTH;
+
+ if (mciSendCommand(m_hDev, MCI_STATUS, MCI_STATUS_ITEM,
+ (DWORD)(LPSTR)&statusParms) != 0)
+ return 0;
+
+ return statusParms.dwReturn;
+}
+
+//---------------------------------------------------------------------------
+// wxMCIMediaBackend::Move
+//
+// Moves the window to a location
+//---------------------------------------------------------------------------
+void wxMCIMediaBackend::Move(int WXUNUSED(x), int WXUNUSED(y),
+ int w, int h)
+{
+ if (m_hNotifyWnd && m_bVideo)
+ {
+ MCI_DGV_RECT_PARMS putParms; //ifdefed MCI_DGV_PUT_PARMS
+ putParms.rc.top = 0;
+ putParms.rc.bottom = 0;
+ putParms.rc.right = w;
+ putParms.rc.bottom = h;
+
+ wxMCIVERIFY( mciSendCommand(m_hDev, MCI_PUT,
+ 0x00040000L, //MCI_DGV_PUT_DESTINATION
+ (DWORD)(LPSTR)&putParms) );
+ }
+}
+
+//---------------------------------------------------------------------------
+// wxMCIMediaBackend::GetVideoSize
+//
+// Gets the original size of the movie for sizers
+//---------------------------------------------------------------------------
+wxSize wxMCIMediaBackend::GetVideoSize() const
+{
+ if(m_bVideo)
+ {
+ MCI_DGV_RECT_PARMS whereParms; //ifdefed MCI_DGV_WHERE_PARMS
+
+ wxMCIVERIFY( mciSendCommand(m_hDev, MCI_WHERE,
+ 0x00020000L, //MCI_DGV_WHERE_SOURCE
+ (DWORD)(LPSTR)&whereParms) );
+
+ return wxSize(whereParms.rc.right, whereParms.rc.bottom);
+ }
+ return wxSize(0,0);
+}
+
+//---------------------------------------------------------------------------
+// wxMCIMediaBackend::GetPlaybackRate
+//
+// TODO
+//---------------------------------------------------------------------------
+double wxMCIMediaBackend::GetPlaybackRate()
+{
+ return 1.0;
+}
+
+//---------------------------------------------------------------------------
+// wxMCIMediaBackend::SetPlaybackRate
+//
+// TODO
+//---------------------------------------------------------------------------
+bool wxMCIMediaBackend::SetPlaybackRate(double WXUNUSED(dRate))
+{
+/*
+ MCI_WAVE_SET_SAMPLESPERSEC
+ MCI_DGV_SET_PARMS setParms;
+ setParms.dwSpeed = (DWORD) (dRate * 1000.0);
+
+ return (mciSendCommand(m_hDev, MCI_SET,
+ 0x00020000L, //MCI_DGV_SET_SPEED
+ (DWORD)(LPSTR)&setParms) == 0);
+*/
+ return false;
+}
+
+//---------------------------------------------------------------------------
+// [static] wxMCIMediaBackend::MSWWindowProc
+//
+// Here we process a message when MCI reaches the stopping point
+// in the stream
+//---------------------------------------------------------------------------
+LRESULT CALLBACK wxMCIMediaBackend::NotifyWndProc(HWND hWnd, UINT nMsg,
+ WPARAM wParam,
+ LPARAM lParam)
+{
+ wxMCIMediaBackend* backend = (wxMCIMediaBackend*)
+ ::GetWindowLong(hWnd, GWL_USERDATA);
+ wxASSERT(backend);
+
+ return backend->OnNotifyWndProc(hWnd, nMsg, wParam, lParam);
+}
+
+LRESULT CALLBACK wxMCIMediaBackend::OnNotifyWndProc(HWND hWnd, UINT nMsg,
+ WPARAM wParam,
+ LPARAM lParam)
+{
+ if(nMsg == MM_MCINOTIFY)
+ {
+ wxASSERT(lParam == (LPARAM) m_hDev);
+ if(wParam == MCI_NOTIFY_SUCCESSFUL && lParam == (LPARAM)m_hDev)
+ {
+ wxMediaEvent theEvent(wxEVT_MEDIA_STOP, m_ctrl->GetId());
+ m_ctrl->ProcessEvent(theEvent);
+
+ if(theEvent.IsAllowed())
+ {
+ wxMCIVERIFY( mciSendCommand(m_hDev, MCI_SEEK,
+ MCI_SEEK_TO_START, 0) );
+
+ //send the event to our child
+ wxMediaEvent theEvent(wxEVT_MEDIA_FINISHED,
+ m_ctrl->GetId());
+ m_ctrl->ProcessEvent(theEvent);
+ }
+ }
+ }
+ return DefWindowProc(hWnd, nMsg, wParam, lParam);
+}
+//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+//
+// wxQTMediaBackend
+//
+// TODO: Use a less cludgy way to pause/get state/set state
+// TODO: Dynamically load from qtml.dll
+//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+#if wxUSE_QUICKTIME
+
+IMPLEMENT_DYNAMIC_CLASS(wxQTMediaBackend, wxMediaBackend);
+
+//Time between timer calls
+#define MOVIE_DELAY 100
+
+#include "wx/timer.h"
+
+// --------------------------------------------------------------------------
+// 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 Destructor
+//
+// Sets m_timer to NULL signifying we havn't loaded anything yet
+//---------------------------------------------------------------------------
+wxQTMediaBackend::wxQTMediaBackend() : m_timer(NULL)
+{
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend Destructor
+//
+// 1) Cleans up the QuickTime movie instance
+// 2) Decrements the QuickTime reference counter - if this reaches
+// 0, QuickTime shuts down
+// 3) Decrements the QuickTime Windows Media Layer reference counter -
+// if this reaches 0, QuickTime shuts down the Windows Media Layer
+//---------------------------------------------------------------------------
+wxQTMediaBackend::~wxQTMediaBackend()
+{
+ if(m_timer)
+ Cleanup();
+
+ //Note that ExitMovies() is not neccessary, but
+ //the docs are fuzzy on whether or not TerminateQTML is
+ ExitMovies();
+ TerminateQTML();
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::CreateControl
+//
+// 1) Intializes QuickTime
+// 2) Creates the control window
+//---------------------------------------------------------------------------
+bool wxQTMediaBackend::CreateControl(wxControl* ctrl, wxWindow* parent,
+ wxWindowID id,
+ const wxPoint& pos,
+ const wxSize& size,
+ long style,
+ const wxValidator& validator,
+ const wxString& name)
+{
+ int nError;
+ if ((nError = InitializeQTML(0)) != noErr) //-2093 no dll
+ {
+ wxFAIL_MSG(wxString::Format(wxT("Couldn't Initialize Quicktime-%i"), nError));
+ return false;
+ }
+ EnterMovies();
+
+ //
+ // Create window
+ // By default wxWindow(s) is created with a border -
+ // so we need to get rid of those
+ //
+ // Since we don't have a child window like most other
+ // backends, we don't need wxCLIP_CHILDREN
+ //
+ if ( !ctrl->wxControl::Create(parent, id, pos, size,
+ (style & ~wxBORDER_MASK) | wxBORDER_NONE,
+ validator, name) )
+ return false;
+
+ m_ctrl = ctrl;
+ return true;
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::Load (file version)
+//
+// 1) Get an FSSpec from the Windows path name
+// 2) Open the movie
+// 3) Obtain the movie instance from the movie resource
+// 4)
+//---------------------------------------------------------------------------
+bool wxQTMediaBackend::Load(const wxString& fileName)
+{
+ if(m_timer)
+ Cleanup();
+
+ OSErr err = noErr;
+ short movieResFile;
+ FSSpec sfFile;
+
+ if (NativePathNameToFSSpec ((char*) (const char*) fileName.mb_str(),
+ &sfFile, 0) != noErr)
+ return false;
+
+ if (OpenMovieFile (&sfFile, &movieResFile, fsRdPerm) != noErr)
+ return false;
+
+ short movieResID = 0;
+ Str255 movieName;
+
+ err = NewMovieFromFile (
+ &m_movie,
+ movieResFile,
+ &movieResID,
+ movieName,
+ newMovieActive,
+ NULL); //wasChanged
+
+ CloseMovieFile (movieResFile);
+
+ if (err != noErr)
+ return false;
+
+ FinishLoad();
+
+ return ::GetMoviesError() == noErr;
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::Move
+//
+// TODO
+//---------------------------------------------------------------------------
+bool wxQTMediaBackend::Load(const wxURI& location)
+{
+ if(m_timer)
+ Cleanup();
+
+ wxString theURI = location.BuildURI();
+
+ OSErr err = noErr;
+
+ Handle theHandle = NewHandleClear(theURI.length() + 1);
+ wxASSERT(theHandle);
+
+ BlockMove(theURI.mb_str(), *theHandle, theURI.length() + 1);
+
+ //create the movie from the handle that refers to the URI
+ err = NewMovieFromDataRef(&m_movie, newMovieActive,
+ NULL, theHandle,
+ URLDataHandlerSubType);
+
+ DisposeHandle(theHandle);
+
+ if (err != noErr)
+ return false;
+
+ //preroll movie for streaming
+ //TODO:Async this?
+ 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;
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::Move
+//
+// TODO
+//---------------------------------------------------------------------------
+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);
+ wxASSERT(::GetMoviesError() == noErr);
+
+ m_bestSize.x = outRect.right - outRect.left;
+ m_bestSize.y = outRect.bottom - outRect.top;
+
+ //reparent movie/*AudioMediaCharacteristic*/
+ if(GetMovieIndTrackType(m_movie, 1,
+ VisualMediaCharacteristic,
+ movieTrackCharacteristic |
+ movieTrackEnabledOnly) != NULL)
+ {
+ CreatePortAssociation(m_ctrl->GetHWND(), NULL, 0L);
+
+ SetMovieGWorld(m_movie,
+ (CGrafPtr) GetNativeWindowPort(m_ctrl->GetHWND()),
+ nil);
+ }
+
+ //we want millisecond precision
+ ::SetMovieTimeScale(m_movie, 1000);
+ wxASSERT(::GetMoviesError() == noErr);
+
+ //
+ //Here, if the parent of the control has a sizer - we
+ //tell it to recalculate the size of this control since
+ //the user opened a seperate media file
+ //
+ m_ctrl->InvalidateBestSize();
+ m_ctrl->GetParent()->Layout();
+ m_ctrl->GetParent()->Refresh();
+ m_ctrl->GetParent()->Update();
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::Move
+//
+// TODO
+//---------------------------------------------------------------------------
+bool wxQTMediaBackend::Play()
+{
+ ::StartMovie(m_movie);
+ m_timer->SetPaused(false);
+ m_timer->Start(MOVIE_DELAY, wxTIMER_CONTINUOUS);
+ return ::GetMoviesError() == noErr;
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::Move
+//
+// TODO
+//---------------------------------------------------------------------------
+bool wxQTMediaBackend::Pause()
+{
+ ::StopMovie(m_movie);
+ m_timer->SetPaused(true);
+ m_timer->Stop();
+ return ::GetMoviesError() == noErr;
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::Move
+//
+// TODO
+//---------------------------------------------------------------------------
+bool wxQTMediaBackend::Stop()
+{
+ m_timer->SetPaused(false);
+ m_timer->Stop();
+
+ ::StopMovie(m_movie);
+ if(::GetMoviesError() != noErr)
+ return false;
+
+ ::GoToBeginningOfMovie(m_movie);
+ return ::GetMoviesError() == noErr;
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::Move
+//
+// TODO
+//---------------------------------------------------------------------------
+double wxQTMediaBackend::GetPlaybackRate()
+{
+ return ( ((double)::GetMovieRate(m_movie)) / 0x10000);
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::Move
+//
+// TODO
+//---------------------------------------------------------------------------
+bool wxQTMediaBackend::SetPlaybackRate(double dRate)
+{
+ ::SetMovieRate(m_movie, (Fixed) (dRate * 0x10000));
+ return ::GetMoviesError() == noErr;
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::Move
+//
+// TODO
+//---------------------------------------------------------------------------
+bool wxQTMediaBackend::SetPosition(wxLongLong where)
+{
+ TimeRecord theTimeRecord;
+ memset(&theTimeRecord, 0, sizeof(TimeRecord));
+ theTimeRecord.value.lo = where.GetValue();
+ theTimeRecord.scale = ::GetMovieTimeScale(m_movie);
+ theTimeRecord.base = ::GetMovieTimeBase(m_movie);
+ ::SetMovieTime(m_movie, &theTimeRecord);
+
+ if (::GetMoviesError() != noErr)
+ return false;
+
+ return true;
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::GetPosition
+//
+// 1) Calls GetMovieTime to get the position we are in in the movie
+// in milliseconds (we called
+//---------------------------------------------------------------------------
+wxLongLong wxQTMediaBackend::GetPosition()
+{
+ return ::GetMovieTime(m_movie, NULL);
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::Move
+//
+// TODO
+//---------------------------------------------------------------------------
+wxLongLong wxQTMediaBackend::GetDuration()
+{
+ return ::GetMovieDuration(m_movie);
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::Move
+//
+// TODO
+//---------------------------------------------------------------------------
+wxMediaState wxQTMediaBackend::GetState()
+{
+ if ( !m_timer || (m_timer->IsRunning() == false &&
+ m_timer->GetPaused() == false) )
+ return wxMEDIASTATE_STOPPED;
+
+ if( m_timer->IsRunning() == true )
+ return wxMEDIASTATE_PLAYING;
+ else
+ return wxMEDIASTATE_PAUSED;
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::Move
+//
+// TODO
+//---------------------------------------------------------------------------
+void wxQTMediaBackend::Cleanup()
+{
+ delete m_timer;
+ m_timer = NULL;
+
+ StopMovie(m_movie);
+ DisposeMovie(m_movie);
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::Move
+//
+// TODO
+//---------------------------------------------------------------------------
+wxSize wxQTMediaBackend::GetVideoSize() const
+{
+ return m_bestSize;
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::Move
+//
+// TODO
+//---------------------------------------------------------------------------
+void wxQTMediaBackend::Move(int x, int y, int w, int h)
+{
+ if(m_timer)
+ {
+ Rect theRect = {0, 0, h, w};
+
+ ::SetMovieBox(m_movie, &theRect);
+ wxASSERT(::GetMoviesError() == noErr);
+ }
+}
+
+//---------------------------------------------------------------------------
+// End QT Compilation Guard
+//---------------------------------------------------------------------------
+#endif //wxUSE_QUICKTIME
+
+//in source file that contains stuff you don't directly use
+#include <wx/html/forcelnk.h>
+FORCE_LINK_ME(basewxmediabackends);
+
+//---------------------------------------------------------------------------
+// End wxMediaCtrl Compilation Guard and this file
//---------------------------------------------------------------------------
+#endif //wxUSE_MEDIACTRL
-#endif //wxUSE_MEDIACTRL
\ No newline at end of file
projects / wxWidgets.git / blobdiff