X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1a680109ac733a9bebfa08a614c1e22735fda2d9..52069700e7f9c4cc1fc4379306e9f763c5b83073:/src/msw/mediactrl.cpp diff --git a/src/msw/mediactrl.cpp b/src/msw/mediactrl.cpp index e68eb3f08e..a6c9f7e610 100644 --- a/src/msw/mediactrl.cpp +++ b/src/msw/mediactrl.cpp @@ -1,21 +1,25 @@ ///////////////////////////////////////////////////////////////////////////// // Name: msw/mediactrl.cpp -// Purpose: wxMediaCtrl MSW +// Purpose: Built-in Media Backends for Windows // Author: Ryan Norton -// 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" @@ -24,85 +28,60 @@ #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 -#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(); @@ -113,12 +92,12 @@ public: 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); @@ -127,9 +106,13 @@ public: 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; @@ -139,27 +122,39 @@ public: IBasicVideo* m_pBV; IMediaSeeking* m_pMS; + HWND m_hNotifyWnd; wxSize m_bestSize; + + DECLARE_DYNAMIC_CLASS(wxAMMediaBackend); }; #endif //wxUSE_DIRECTSHOW //--------------------------------------------------------------------------- -// wxWMMEMediaCtrlImpl +// +// wxMCIMediaBackend +// //--------------------------------------------------------------------------- +//--------------------------------------------------------------------------- +// MCI Includes +//--------------------------------------------------------------------------- #include -#include -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(); @@ -170,367 +165,443 @@ public: 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 ^ wxBORDER_MASK) | 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 //Windoze QT include +#include //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 ^ wxBORDER_MASK) | 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 @@ -541,52 +612,106 @@ wxMediaState wxDXMediaCtrlImpl::GetState() 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) @@ -602,36 +727,984 @@ void wxDXMediaCtrlImpl::Cleanup() 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 +// +// 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 +FORCE_LINK_ME(basewxmediabackends); + +//--------------------------------------------------------------------------- +// End wxMediaCtrl Compilation Guard and this file //--------------------------------------------------------------------------- +#endif //wxUSE_MEDIACTRL -#endif //wxUSE_MEDIACTRL \ No newline at end of file