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dolphin/Externals/wxWidgets3/src/msw/mediactrl_qt.cpp

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/////////////////////////////////////////////////////////////////////////////
// Name: src/msw/mediactrl_qt.cpp
// Purpose: QuickTime Media Backend for Windows
// Author: Ryan Norton <wxprojects@comcast.net>
// Modified by: Robin Dunn (moved QT code from mediactrl.cpp)
//
// Created: 11/07/04
// RCS-ID: $Id: mediactrl_qt.cpp 67280 2011-03-22 14:17:38Z DS $
// Copyright: (c) Ryan Norton
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
//===========================================================================
// DECLARATIONS
//===========================================================================
//---------------------------------------------------------------------------
// Pre-compiled header stuff
//---------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#if wxUSE_MEDIACTRL
#include "wx/mediactrl.h"
#ifndef WX_PRECOMP
#include "wx/log.h"
#include "wx/dcclient.h"
#include "wx/timer.h"
#include "wx/math.h" // log10 & pow
#endif
#include "wx/msw/private.h" // user info and wndproc setting/getting
#include "wx/dynlib.h"
//---------------------------------------------------------------------------
// Externals (somewhere in src/msw/app.cpp and src/msw/window.cpp)
//---------------------------------------------------------------------------
extern "C" WXDLLIMPEXP_BASE HINSTANCE wxGetInstance(void);
extern WXDLLIMPEXP_CORE const wxChar *wxCanvasClassName;
LRESULT WXDLLIMPEXP_CORE APIENTRY _EXPORT wxWndProc(HWND hWnd, UINT message,
WPARAM wParam, LPARAM lParam);
//---------------------------------------------------------------------------
// Killed MSVC warnings
//---------------------------------------------------------------------------
//disable "cast truncates constant value" for VARIANT_BOOL values
//passed as parameters in VC5 and up
#ifdef _MSC_VER
#pragma warning (disable:4310)
#endif
//---------------------------------------------------------------------------
// wxQTMediaBackend
//
// We don't include Quicktime headers here and define all the types
// ourselves because looking for the quicktime libaries etc. would
// be tricky to do and making this a dependency for the MSVC projects
// would be unrealistic.
//
// Thanks to Robert Roebling for the wxDL macro/library idea
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
// QT Includes
//---------------------------------------------------------------------------
//#include <qtml.h> // Windoze QT include
//#include <QuickTimeComponents.h> // Standard QT stuff
#include "wx/dynlib.h"
//---------------------------------------------------------------------------
// QT Types
//---------------------------------------------------------------------------
typedef struct MovieRecord* Movie;
typedef wxInt16 OSErr;
typedef wxInt32 OSStatus;
#define noErr 0
#define fsRdPerm 1
typedef unsigned char Str255[256];
#define StringPtr unsigned char*
#define newMovieActive 1
#define newMovieAsyncOK (1 << 8)
#define Ptr char*
#define Handle Ptr*
#define Fixed long
#define OSType unsigned long
#define CGrafPtr struct GrafPort *
#define TimeScale long
#define TimeBase struct TimeBaseRecord *
typedef struct ComponentInstanceRecord * ComponentInstance;
#define kMovieLoadStatePlayable 10000
#define Boolean int
#define MovieController ComponentInstance
#ifndef URLDataHandlerSubType
#if defined(__WATCOMC__) || defined(__MINGW32__)
// use magic numbers for compilers which complain about multicharacter integers
const OSType URLDataHandlerSubType = 1970433056;
const OSType VisualMediaCharacteristic = 1702454643;
#else
const OSType URLDataHandlerSubType = 'url ';
const OSType VisualMediaCharacteristic = 'eyes';
#endif
#endif
struct FSSpec
{
short vRefNum;
long parID;
Str255 name; // Str63 on mac, Str255 on msw
};
struct Rect
{
short top;
short left;
short bottom;
short right;
};
struct wide
{
wxInt32 hi;
wxUint32 lo;
};
struct TimeRecord
{
wide value; // units
TimeScale scale; // units per second
TimeBase base;
};
struct Point
{
short v;
short h;
};
struct EventRecord
{
wxUint16 what;
wxUint32 message;
wxUint32 when;
Point where;
wxUint16 modifiers;
};
enum
{
mcTopLeftMovie = 1,
mcScaleMovieToFit = 2,
mcWithBadge = 4,
mcNotVisible = 8,
mcWithFrame = 16
};
//---------------------------------------------------------------------------
// QT Library
//---------------------------------------------------------------------------
class WXDLLIMPEXP_MEDIA wxQuickTimeLibrary
{
public:
~wxQuickTimeLibrary()
{
if (m_dll.IsLoaded())
m_dll.Unload();
}
bool Initialize();
bool IsOk() const {return m_ok;}
protected:
wxDynamicLibrary m_dll;
bool m_ok;
public:
wxDL_VOIDMETHOD_DEFINE( StartMovie, (Movie m), (m) )
wxDL_VOIDMETHOD_DEFINE( StopMovie, (Movie m), (m) )
wxDL_METHOD_DEFINE( bool, IsMovieDone, (Movie m), (m), false)
wxDL_VOIDMETHOD_DEFINE( GoToBeginningOfMovie, (Movie m), (m) )
wxDL_METHOD_DEFINE( OSErr, GetMoviesError, (), (), -1)
wxDL_METHOD_DEFINE( OSErr, EnterMovies, (), (), -1)
wxDL_VOIDMETHOD_DEFINE( ExitMovies, (), () )
wxDL_METHOD_DEFINE( OSErr, InitializeQTML, (long flags), (flags), -1)
wxDL_VOIDMETHOD_DEFINE( TerminateQTML, (), () )
wxDL_METHOD_DEFINE( OSErr, NativePathNameToFSSpec,
(char* inName, FSSpec* outFile, long flags),
(inName, outFile, flags), -1)
wxDL_METHOD_DEFINE( OSErr, OpenMovieFile,
(const FSSpec * fileSpec, short * resRefNum, wxInt8 permission),
(fileSpec, resRefNum, permission), -1 )
wxDL_METHOD_DEFINE( OSErr, CloseMovieFile,
(short resRefNum), (resRefNum), -1)
wxDL_METHOD_DEFINE( OSErr, NewMovieFromFile,
(Movie * theMovie, short resRefNum, short * resId,
StringPtr resName, short newMovieFlags,
bool * dataRefWasChanged),
(theMovie, resRefNum, resId, resName, newMovieFlags,
dataRefWasChanged), -1)
wxDL_VOIDMETHOD_DEFINE( SetMovieRate, (Movie m, Fixed rate), (m, rate) )
wxDL_METHOD_DEFINE( Fixed, GetMovieRate, (Movie m), (m), 0)
wxDL_VOIDMETHOD_DEFINE( MoviesTask, (Movie m, long maxms), (m, maxms) )
wxDL_VOIDMETHOD_DEFINE( BlockMove,
(const char* p1, const char* p2, long s), (p1,p2,s) )
wxDL_METHOD_DEFINE( Handle, NewHandleClear, (long s), (s), NULL )
wxDL_METHOD_DEFINE( OSErr, NewMovieFromDataRef,
(Movie * m, short flags, short * id,
Handle dataRef, OSType dataRefType),
(m,flags,id,dataRef,dataRefType), -1 )
wxDL_VOIDMETHOD_DEFINE( DisposeHandle, (Handle h), (h) )
wxDL_VOIDMETHOD_DEFINE( GetMovieNaturalBoundsRect, (Movie m, Rect* r), (m,r) )
wxDL_METHOD_DEFINE( void*, GetMovieIndTrackType,
(Movie m, long index, OSType type, long flags),
(m,index,type,flags), NULL )
wxDL_VOIDMETHOD_DEFINE( CreatePortAssociation,
(void* hWnd, void* junk, long morejunk), (hWnd, junk, morejunk) )
wxDL_METHOD_DEFINE(void*, GetNativeWindowPort, (void* hWnd), (hWnd), NULL)
wxDL_VOIDMETHOD_DEFINE(SetMovieGWorld, (Movie m, CGrafPtr port, void* whatever),
(m, port, whatever) )
wxDL_VOIDMETHOD_DEFINE(DisposeMovie, (Movie m), (m) )
wxDL_VOIDMETHOD_DEFINE(SetMovieBox, (Movie m, Rect* r), (m,r))
wxDL_VOIDMETHOD_DEFINE(SetMovieTimeScale, (Movie m, long s), (m,s))
wxDL_METHOD_DEFINE(long, GetMovieDuration, (Movie m), (m), 0)
wxDL_METHOD_DEFINE(TimeBase, GetMovieTimeBase, (Movie m), (m), 0)
wxDL_METHOD_DEFINE(TimeScale, GetMovieTimeScale, (Movie m), (m), 0)
wxDL_METHOD_DEFINE(long, GetMovieTime, (Movie m, void* cruft), (m,cruft), 0)
wxDL_VOIDMETHOD_DEFINE(SetMovieTime, (Movie m, TimeRecord* tr), (m,tr) )
wxDL_METHOD_DEFINE(short, GetMovieVolume, (Movie m), (m), 0)
wxDL_VOIDMETHOD_DEFINE(SetMovieVolume, (Movie m, short sVolume), (m,sVolume) )
wxDL_VOIDMETHOD_DEFINE(SetMovieTimeValue, (Movie m, long s), (m,s))
wxDL_METHOD_DEFINE(ComponentInstance, NewMovieController, (Movie m, const Rect* mr, long fl), (m,mr,fl), 0)
wxDL_VOIDMETHOD_DEFINE(DisposeMovieController, (ComponentInstance ci), (ci))
wxDL_METHOD_DEFINE(int, MCSetVisible, (ComponentInstance m, int b), (m, b), 0)
wxDL_VOIDMETHOD_DEFINE(PrePrerollMovie, (Movie m, long t, Fixed r, WXFARPROC p1, void* p2), (m,t,r,p1,p2) )
wxDL_VOIDMETHOD_DEFINE(PrerollMovie, (Movie m, long t, Fixed r), (m,t,r) )
wxDL_METHOD_DEFINE(Fixed, GetMoviePreferredRate, (Movie m), (m), 0)
wxDL_METHOD_DEFINE(long, GetMovieLoadState, (Movie m), (m), 0)
wxDL_METHOD_DEFINE(void*, NewRoutineDescriptor, (WXFARPROC f, int l, void* junk), (f, l, junk), 0)
wxDL_VOIDMETHOD_DEFINE(DisposeRoutineDescriptor, (void* f), (f))
wxDL_METHOD_DEFINE(void*, GetCurrentArchitecture, (), (), 0)
wxDL_METHOD_DEFINE(int, MCDoAction, (ComponentInstance ci, long f, void* p), (ci,f,p), 0)
wxDL_VOIDMETHOD_DEFINE(MCSetControllerBoundsRect, (ComponentInstance ci, Rect* r), (ci,r))
wxDL_VOIDMETHOD_DEFINE(DestroyPortAssociation, (CGrafPtr g), (g))
wxDL_VOIDMETHOD_DEFINE(NativeEventToMacEvent, (MSG* p1, EventRecord* p2), (p1,p2))
wxDL_VOIDMETHOD_DEFINE(MCIsPlayerEvent, (ComponentInstance ci, EventRecord* p2), (ci, p2))
wxDL_METHOD_DEFINE(int, MCSetMovie, (ComponentInstance ci, Movie m, void* p1, Point w),
(ci,m,p1,w),0)
wxDL_VOIDMETHOD_DEFINE(MCPositionController,
(ComponentInstance ci, Rect* r, void* junk, void* morejunk), (ci,r,junk,morejunk))
wxDL_VOIDMETHOD_DEFINE(MCSetActionFilterWithRefCon,
(ComponentInstance ci, WXFARPROC cb, void* ref), (ci,cb,ref))
wxDL_VOIDMETHOD_DEFINE(MCGetControllerInfo, (MovieController mc, long* flags), (mc,flags))
wxDL_VOIDMETHOD_DEFINE(BeginUpdate, (CGrafPtr port), (port))
wxDL_VOIDMETHOD_DEFINE(UpdateMovie, (Movie m), (m))
wxDL_VOIDMETHOD_DEFINE(EndUpdate, (CGrafPtr port), (port))
wxDL_METHOD_DEFINE( OSErr, GetMoviesStickyError, (), (), -1)
};
bool wxQuickTimeLibrary::Initialize()
{
// Turn off the wxDynamicLibrary logging as we're prepared to handle the
// errors
wxLogNull nolog;
m_ok = m_dll.Load(wxT("qtmlClient.dll"));
if ( !m_ok )
return false;
wxDL_METHOD_LOAD( m_dll, StartMovie );
wxDL_METHOD_LOAD( m_dll, StopMovie );
wxDL_METHOD_LOAD( m_dll, IsMovieDone );
wxDL_METHOD_LOAD( m_dll, GoToBeginningOfMovie );
wxDL_METHOD_LOAD( m_dll, GetMoviesError );
wxDL_METHOD_LOAD( m_dll, EnterMovies );
wxDL_METHOD_LOAD( m_dll, ExitMovies );
wxDL_METHOD_LOAD( m_dll, InitializeQTML );
wxDL_METHOD_LOAD( m_dll, TerminateQTML );
wxDL_METHOD_LOAD( m_dll, NativePathNameToFSSpec );
wxDL_METHOD_LOAD( m_dll, OpenMovieFile );
wxDL_METHOD_LOAD( m_dll, CloseMovieFile );
wxDL_METHOD_LOAD( m_dll, NewMovieFromFile );
wxDL_METHOD_LOAD( m_dll, GetMovieRate );
wxDL_METHOD_LOAD( m_dll, SetMovieRate );
wxDL_METHOD_LOAD( m_dll, MoviesTask );
wxDL_METHOD_LOAD( m_dll, BlockMove );
wxDL_METHOD_LOAD( m_dll, NewHandleClear );
wxDL_METHOD_LOAD( m_dll, NewMovieFromDataRef );
wxDL_METHOD_LOAD( m_dll, DisposeHandle );
wxDL_METHOD_LOAD( m_dll, GetMovieNaturalBoundsRect );
wxDL_METHOD_LOAD( m_dll, GetMovieIndTrackType );
wxDL_METHOD_LOAD( m_dll, CreatePortAssociation );
wxDL_METHOD_LOAD( m_dll, DestroyPortAssociation );
wxDL_METHOD_LOAD( m_dll, GetNativeWindowPort );
wxDL_METHOD_LOAD( m_dll, SetMovieGWorld );
wxDL_METHOD_LOAD( m_dll, DisposeMovie );
wxDL_METHOD_LOAD( m_dll, SetMovieBox );
wxDL_METHOD_LOAD( m_dll, SetMovieTimeScale );
wxDL_METHOD_LOAD( m_dll, GetMovieDuration );
wxDL_METHOD_LOAD( m_dll, GetMovieTimeBase );
wxDL_METHOD_LOAD( m_dll, GetMovieTimeScale );
wxDL_METHOD_LOAD( m_dll, GetMovieTime );
wxDL_METHOD_LOAD( m_dll, SetMovieTime );
wxDL_METHOD_LOAD( m_dll, GetMovieVolume );
wxDL_METHOD_LOAD( m_dll, SetMovieVolume );
wxDL_METHOD_LOAD( m_dll, SetMovieTimeValue );
wxDL_METHOD_LOAD( m_dll, NewMovieController );
wxDL_METHOD_LOAD( m_dll, DisposeMovieController );
wxDL_METHOD_LOAD( m_dll, MCSetVisible );
wxDL_METHOD_LOAD( m_dll, PrePrerollMovie );
wxDL_METHOD_LOAD( m_dll, PrerollMovie );
wxDL_METHOD_LOAD( m_dll, GetMoviePreferredRate );
wxDL_METHOD_LOAD( m_dll, GetMovieLoadState );
wxDL_METHOD_LOAD( m_dll, MCDoAction );
wxDL_METHOD_LOAD( m_dll, MCSetControllerBoundsRect );
wxDL_METHOD_LOAD( m_dll, NativeEventToMacEvent );
wxDL_METHOD_LOAD( m_dll, MCIsPlayerEvent );
wxDL_METHOD_LOAD( m_dll, MCSetMovie );
wxDL_METHOD_LOAD( m_dll, MCSetActionFilterWithRefCon );
wxDL_METHOD_LOAD( m_dll, MCGetControllerInfo );
wxDL_METHOD_LOAD( m_dll, BeginUpdate );
wxDL_METHOD_LOAD( m_dll, UpdateMovie );
wxDL_METHOD_LOAD( m_dll, EndUpdate );
wxDL_METHOD_LOAD( m_dll, GetMoviesStickyError );
return m_ok;
}
class WXDLLIMPEXP_MEDIA wxQTMediaBackend : public wxMediaBackendCommonBase
{
public:
wxQTMediaBackend();
virtual ~wxQTMediaBackend();
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 bool Stop();
virtual bool Load(const wxURI& location,
const wxURI& proxy)
{ return wxMediaBackend::Load(location, proxy); }
virtual bool Load(const wxString& fileName);
virtual bool Load(const wxURI& location);
virtual wxMediaState GetState();
virtual bool SetPosition(wxLongLong where);
virtual wxLongLong GetPosition();
virtual wxLongLong GetDuration();
virtual void Move(int x, int y, int w, int h);
wxSize GetVideoSize() const;
virtual double GetPlaybackRate();
virtual bool SetPlaybackRate(double dRate);
virtual double GetVolume();
virtual bool SetVolume(double);
void Cleanup();
void FinishLoad();
static void PPRMProc (Movie theMovie, OSErr theErr, void* theRefCon);
// TODO: Last param actually long - does this work on 64bit machines?
static Boolean MCFilterProc(MovieController theController,
short action, void *params, LONG_PTR refCon);
static LRESULT CALLBACK QTWndProc(HWND, UINT, WPARAM, LPARAM);
virtual bool ShowPlayerControls(wxMediaCtrlPlayerControls flags);
wxSize m_bestSize; // Original movie size
Movie m_movie; // QT Movie handle/instance
bool m_bVideo; // Whether or not we have video
bool m_bPlaying; // Whether or not movie is playing
wxTimer* m_timer; // Load or Play timer
wxQuickTimeLibrary m_lib; // DLL to load functions from
ComponentInstance m_pMC; // Movie Controller
wxEvtHandler* m_evthandler;
friend class wxQTMediaEvtHandler;
DECLARE_DYNAMIC_CLASS(wxQTMediaBackend)
};
// helper to hijack background erasing for the QT window
class WXDLLIMPEXP_MEDIA wxQTMediaEvtHandler : public wxEvtHandler
{
public:
wxQTMediaEvtHandler(wxQTMediaBackend *qtb, WXHWND hwnd)
{
m_qtb = qtb;
m_hwnd = hwnd;
m_qtb->m_ctrl->Connect(m_qtb->m_ctrl->GetId(),
wxEVT_ERASE_BACKGROUND,
wxEraseEventHandler(wxQTMediaEvtHandler::OnEraseBackground),
NULL, this);
}
void OnEraseBackground(wxEraseEvent& event);
private:
wxQTMediaBackend *m_qtb;
WXHWND m_hwnd;
wxDECLARE_NO_COPY_CLASS(wxQTMediaEvtHandler);
};
//===========================================================================
// IMPLEMENTATION
//===========================================================================
//---------------------------------------------------------------------------
// wxQTMediaBackend
//
// TODO: Use a less kludgy way to pause/get state/set state
// FIXME: Greg Hazel reports that sometimes files that cannot be played
// with this backend are treated as playable anyway - not verified though.
//---------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxQTMediaBackend, wxMediaBackend)
// Time between timer calls - this is the Apple recommendation to the TCL
// team I believe
#define MOVIE_DELAY 20
//---------------------------------------------------------------------------
// wxQTLoadTimer
//
// QT, esp. QT for Windows is very picky about how you go about
// async loading. If you were to go through a Windows message loop
// or a MoviesTask or both and then check the movie load state
// it would still return 1000 (loading)... even (pre)prerolling doesn't
// help. However, making a load timer like this works
//---------------------------------------------------------------------------
class wxQTLoadTimer : public wxTimer
{
public:
wxQTLoadTimer(Movie movie, wxQTMediaBackend* parent, wxQuickTimeLibrary* pLib) :
m_movie(movie), m_parent(parent), m_pLib(pLib) {}
void Notify()
{
m_pLib->MoviesTask(m_movie, 0);
// kMovieLoadStatePlayable
if (m_pLib->GetMovieLoadState(m_movie) >= 10000)
{
m_parent->FinishLoad();
delete this;
}
}
protected:
Movie m_movie; //Our movie instance
wxQTMediaBackend* m_parent; //Backend pointer
wxQuickTimeLibrary* m_pLib; //Interfaces
};
// --------------------------------------------------------------------------
// wxQTPlayTimer - Handle Asyncronous Playing
//
// 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.
// --------------------------------------------------------------------------
class wxQTPlayTimer : public wxTimer
{
public:
wxQTPlayTimer(Movie movie, wxQTMediaBackend* parent,
wxQuickTimeLibrary* pLib) :
m_movie(movie), m_parent(parent), m_pLib(pLib) {}
void Notify()
{
//
// OK, a little explaining - basically originally
// we only called MoviesTask if the movie was actually
// playing (not paused or stopped)... this was before
// we realized MoviesTask actually handles repainting
// of the current frame - so if you were to resize
// or something it would previously not redraw that
// portion of the movie.
//
// So now we call MoviesTask always so that it repaints
// correctly.
//
m_pLib->MoviesTask(m_movie, 0);
//
// Handle the stop event - if the movie has reached
// the end, notify our handler
//
// m_bPlaying == !(Stopped | Paused)
//
if (m_parent->m_bPlaying)
{
if (m_pLib->IsMovieDone(m_movie))
{
if ( m_parent->SendStopEvent() )
{
m_parent->Stop();
wxASSERT(m_pLib->GetMoviesError() == noErr);
m_parent->QueueFinishEvent();
}
}
}
}
protected:
Movie m_movie; // Our movie instance
wxQTMediaBackend* m_parent; //Backend pointer
wxQuickTimeLibrary* m_pLib; //Interfaces
};
//---------------------------------------------------------------------------
// wxQTMediaBackend::QTWndProc
//
// Forwards events to the Movie Controller so that it can
// redraw itself/process messages etc..
//---------------------------------------------------------------------------
LRESULT CALLBACK wxQTMediaBackend::QTWndProc(HWND hWnd, UINT nMsg,
WPARAM wParam, LPARAM lParam)
{
wxQTMediaBackend* pThis = (wxQTMediaBackend*)wxGetWindowUserData(hWnd);
MSG msg;
msg.hwnd = hWnd;
msg.message = nMsg;
msg.wParam = wParam;
msg.lParam = lParam;
msg.time = 0;
msg.pt.x = 0;
msg.pt.y = 0;
EventRecord theEvent;
pThis->m_lib.NativeEventToMacEvent(&msg, &theEvent);
pThis->m_lib.MCIsPlayerEvent(pThis->m_pMC, &theEvent);
return pThis->m_ctrl->MSWWindowProc(nMsg, wParam, lParam);
}
//---------------------------------------------------------------------------
// wxQTMediaBackend Destructor
//
// Sets m_timer to NULL signifying we havn't loaded anything yet
//---------------------------------------------------------------------------
wxQTMediaBackend::wxQTMediaBackend()
: m_movie(NULL), m_bPlaying(false), m_timer(NULL), m_pMC(NULL)
{
m_evthandler = 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_movie)
Cleanup();
if (m_lib.IsOk())
{
if (m_pMC)
{
m_lib.DisposeMovieController(m_pMC);
// m_pMC = NULL;
}
// destroy wxQTMediaEvtHandler we pushed on it
if (m_evthandler)
{
m_ctrl->RemoveEventHandler(m_evthandler);
delete m_evthandler;
}
m_lib.DestroyPortAssociation(
(CGrafPtr)m_lib.GetNativeWindowPort(m_ctrl->GetHWND()));
//Note that ExitMovies() is not necessary, but
//the docs are fuzzy on whether or not TerminateQTML is
m_lib.ExitMovies();
m_lib.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)
{
if (!m_lib.Initialize())
return false;
int nError = m_lib.InitializeQTML(0);
if (nError != noErr) //-2093 no dll
{
wxFAIL_MSG(wxString::Format(wxT("Couldn't Initialize Quicktime-%i"), nError));
return false;
}
m_lib.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 = wxStaticCast(ctrl, wxMediaCtrl);
// Create a port association for our window so we
// can use it as a WindowRef
m_lib.CreatePortAssociation(m_ctrl->GetHWND(), NULL, 0L);
// Part of a suggestion from Greg Hazel
// to repaint movie when idle
m_evthandler = new wxQTMediaEvtHandler(this, m_ctrl->GetHWND());
m_ctrl->PushEventHandler(m_evthandler);
// done
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) Close the movie resource
// 5) Finish loading
//---------------------------------------------------------------------------
bool wxQTMediaBackend::Load(const wxString& fileName)
{
if (m_movie)
Cleanup();
short movieResFile = 0; //= 0 because of annoying VC6 warning
FSSpec sfFile;
OSErr err = m_lib.NativePathNameToFSSpec(
(char*) (const char*) fileName.mb_str(),
&sfFile, 0);
bool result = (err == noErr);
if (result)
{
err = m_lib.OpenMovieFile(&sfFile, &movieResFile, fsRdPerm);
result = (err == noErr);
}
if (result)
{
short movieResID = 0;
Str255 movieName;
err = m_lib.NewMovieFromFile(
&m_movie,
movieResFile,
&movieResID,
movieName,
newMovieActive,
NULL ); // wasChanged
result = (err == noErr /*&& m_lib.GetMoviesStickyError() == noErr*/);
// check m_lib.GetMoviesStickyError() because it may not find the
// proper codec and play black video and other strange effects,
// not to mention mess up the dynamic backend loading scheme
// of wxMediaCtrl - so it just does what the QuickTime player does
if (result)
{
m_lib.CloseMovieFile(movieResFile);
FinishLoad();
}
}
return result;
}
//---------------------------------------------------------------------------
// wxQTMediaBackend::PPRMProc (static)
//
// Called when done PrePrerolling the movie.
// Note that in 99% of the cases this does nothing...
// Anyway we set up the loading timer here to tell us when the movie is done
//---------------------------------------------------------------------------
void wxQTMediaBackend::PPRMProc (Movie theMovie,
OSErr WXUNUSED_UNLESS_DEBUG(theErr),
void* theRefCon)
{
wxASSERT( theMovie );
wxASSERT( theRefCon );
wxASSERT( theErr == noErr );
wxQTMediaBackend* pBE = (wxQTMediaBackend*) theRefCon;
long lTime = pBE->m_lib.GetMovieTime(theMovie,NULL);
Fixed rate = pBE->m_lib.GetMoviePreferredRate(theMovie);
pBE->m_lib.PrerollMovie(theMovie, lTime, rate);
pBE->m_timer = new wxQTLoadTimer(pBE->m_movie, pBE, &pBE->m_lib);
pBE->m_timer->Start(MOVIE_DELAY);
}
//---------------------------------------------------------------------------
// wxQTMediaBackend::Load (URL Version)
//
// 1) Build an escaped URI from location
// 2) Create a handle to store the URI string
// 3) Put the URI string inside the handle
// 4) Make a QuickTime URL data ref from the handle with the URI in it
// 5) Clean up the URI string handle
// 6) Do some prerolling
// 7) Finish Loading
//---------------------------------------------------------------------------
bool wxQTMediaBackend::Load(const wxURI& location)
{
if (m_movie)
Cleanup();
wxString theURI = location.BuildURI();
Handle theHandle = m_lib.NewHandleClear(theURI.length() + 1);
wxASSERT(theHandle);
m_lib.BlockMove(theURI.mb_str(), *theHandle, theURI.length() + 1);
// create the movie from the handle that refers to the URI
OSErr err = m_lib.NewMovieFromDataRef(&m_movie, newMovieActive |
newMovieAsyncOK
/* | newMovieIdleImportOK */,
NULL, theHandle,
URLDataHandlerSubType);
m_lib.DisposeHandle(theHandle);
if (err == noErr)
{
long timeNow;
Fixed playRate;
timeNow = m_lib.GetMovieTime(m_movie, NULL);
wxASSERT(m_lib.GetMoviesError() == noErr);
playRate = m_lib.GetMoviePreferredRate(m_movie);
wxASSERT(m_lib.GetMoviesError() == noErr);
// Note that the callback here is optional,
// but without it PrePrerollMovie can be buggy
// (see Apple ml). Also, some may wonder
// why we need this at all - this is because
// Apple docs say QuickTime streamed movies
// require it if you don't use a Movie Controller,
// which we don't by default.
//
m_lib.PrePrerollMovie(m_movie, timeNow, playRate,
(WXFARPROC)wxQTMediaBackend::PPRMProc,
(void*)this);
return true;
}
else
return false;
}
//---------------------------------------------------------------------------
// wxQTMediaBackend::FinishLoad
//
// 1) Create the movie timer
// 2) Get real size of movie for GetBestSize/sizers
// 3) Set the movie time scale to something usable so that seeking
// etc. will work correctly
// 4) Set our Movie Controller to display the movie if it exists,
// otherwise set the bounds of the Movie
// 5) Refresh parent window
//---------------------------------------------------------------------------
void wxQTMediaBackend::FinishLoad()
{
// Create the playing/streaming timer
m_timer = new wxQTPlayTimer(m_movie, (wxQTMediaBackend*) this, &m_lib);
wxASSERT(m_timer);
m_timer->Start(MOVIE_DELAY, wxTIMER_CONTINUOUS);
// get the real size of the movie
Rect outRect;
memset(&outRect, 0, sizeof(Rect)); // suppress annoying VC6 warning
m_lib.GetMovieNaturalBoundsRect (m_movie, &outRect);
wxASSERT(m_lib.GetMoviesError() == noErr);
m_bestSize.x = outRect.right - outRect.left;
m_bestSize.y = outRect.bottom - outRect.top;
// Handle the movie GWorld
if (m_pMC)
{
Point thePoint;
thePoint.h = thePoint.v = 0;
m_lib.MCSetMovie(m_pMC, m_movie,
m_lib.GetNativeWindowPort(m_ctrl->GetHandle()),
thePoint);
m_lib.MCSetVisible(m_pMC, true);
m_bestSize.y += 16;
}
else
{
m_lib.SetMovieGWorld(m_movie,
(CGrafPtr) m_lib.GetNativeWindowPort(m_ctrl->GetHWND()),
NULL);
}
// Set the movie to millisecond precision
m_lib.SetMovieTimeScale(m_movie, 1000);
wxASSERT(m_lib.GetMoviesError() == noErr);
NotifyMovieLoaded();
}
//---------------------------------------------------------------------------
// wxQTMediaBackend::Play
//
// 1) Start the QT movie
// 2) Start the movie loading timer
//
// NOTE: This will still return success even when
// the movie is still loading, and as mentioned in wxQTLoadTimer
// I don't know of a way to force this to be sync - so if its
// still loading the function will return true but the movie will
// still be in the stopped state
//---------------------------------------------------------------------------
bool wxQTMediaBackend::Play()
{
m_lib.StartMovie(m_movie);
m_bPlaying = true;
return m_lib.GetMoviesError() == noErr;
}
//---------------------------------------------------------------------------
// wxQTMediaBackend::Pause
//
// 1) Stop the movie
// 2) Stop the movie timer
//---------------------------------------------------------------------------
bool wxQTMediaBackend::Pause()
{
m_bPlaying = false;
m_lib.StopMovie(m_movie);
return m_lib.GetMoviesError() == noErr;
}
//---------------------------------------------------------------------------
// wxQTMediaBackend::Stop
//
// 1) Stop the movie
// 2) Stop the movie timer
// 3) Seek to the beginning of the movie
//---------------------------------------------------------------------------
bool wxQTMediaBackend::Stop()
{
m_bPlaying = false;
m_lib.StopMovie(m_movie);
if (m_lib.GetMoviesError() == noErr)
m_lib.GoToBeginningOfMovie(m_movie);
return m_lib.GetMoviesError() == noErr;
}
//---------------------------------------------------------------------------
// wxQTMediaBackend::GetPlaybackRate
//
// Get the movie playback rate from ::GetMovieRate
//---------------------------------------------------------------------------
double wxQTMediaBackend::GetPlaybackRate()
{
return ( ((double)m_lib.GetMovieRate(m_movie)) / 0x10000);
}
//---------------------------------------------------------------------------
// wxQTMediaBackend::SetPlaybackRate
//
// Convert dRate to Fixed and Set the movie rate through SetMovieRate
//---------------------------------------------------------------------------
bool wxQTMediaBackend::SetPlaybackRate(double dRate)
{
m_lib.SetMovieRate(m_movie, (Fixed) (dRate * 0x10000));
return m_lib.GetMoviesError() == noErr;
}
//---------------------------------------------------------------------------
// wxQTMediaBackend::SetPosition
//
// 1) Create a time record struct (TimeRecord) with appropriate values
// 2) Pass struct to SetMovieTime
//---------------------------------------------------------------------------
bool wxQTMediaBackend::SetPosition(wxLongLong where)
{
// NB: For some reason SetMovieTime does not work
// correctly with the Quicktime Windows SDK (6)
// From Muskelkatermann at the wxForum
// http://www.solidsteel.nl/users/wxwidgets/viewtopic.php?t=2957
// RN - note that I have not verified this but there
// is no harm in calling SetMovieTimeValue instead
#if 0
TimeRecord theTimeRecord;
memset(&theTimeRecord, 0, sizeof(TimeRecord));
theTimeRecord.value.lo = where.GetLo();
theTimeRecord.scale = m_lib.GetMovieTimeScale(m_movie);
theTimeRecord.base = m_lib.GetMovieTimeBase(m_movie);
m_lib.SetMovieTime(m_movie, &theTimeRecord);
#else
m_lib.SetMovieTimeValue(m_movie, where.GetLo());
#endif
return (m_lib.GetMoviesError() == noErr);
}
//---------------------------------------------------------------------------
// wxQTMediaBackend::GetPosition
//
// 1) Calls GetMovieTime to get the position we are in in the movie
// in milliseconds (we called
//---------------------------------------------------------------------------
wxLongLong wxQTMediaBackend::GetPosition()
{
return m_lib.GetMovieTime(m_movie, NULL);
}
//---------------------------------------------------------------------------
// wxQTMediaBackend::GetVolume
//
// Gets the volume through GetMovieVolume - which returns a 16 bit short -
//
// +--------+--------+
// + (1) + (2) +
// +--------+--------+
//
// (1) first 8 bits are value before decimal
// (2) second 8 bits are value after decimal
//
// Volume ranges from -1.0 (gain but no sound), 0 (no sound and no gain) to
// 1 (full gain and sound)
//---------------------------------------------------------------------------
double wxQTMediaBackend::GetVolume()
{
short sVolume = m_lib.GetMovieVolume(m_movie);
wxASSERT(m_lib.GetMoviesError() == noErr);
if (sVolume & (128 << 8)) //negative - no sound
return 0.0;
return sVolume / 256.0;
}
//---------------------------------------------------------------------------
// wxQTMediaBackend::SetVolume
//
// Sets the volume through SetMovieVolume - which takes a 16 bit short -
//
// +--------+--------+
// + (1) + (2) +
// +--------+--------+
//
// (1) first 8 bits are value before decimal
// (2) second 8 bits are value after decimal
//
// Volume ranges from -1.0 (gain but no sound), 0 (no sound and no gain) to
// 1 (full gain and sound)
//---------------------------------------------------------------------------
bool wxQTMediaBackend::SetVolume(double dVolume)
{
m_lib.SetMovieVolume(m_movie, (short) (dVolume * 256));
return m_lib.GetMoviesError() == noErr;
}
//---------------------------------------------------------------------------
// wxQTMediaBackend::GetDuration
//
// Calls GetMovieDuration
//---------------------------------------------------------------------------
wxLongLong wxQTMediaBackend::GetDuration()
{
return m_lib.GetMovieDuration(m_movie);
}
//---------------------------------------------------------------------------
// wxQTMediaBackend::GetState
//
// Determines the current state:
// if we are at the beginning, then we are stopped
//---------------------------------------------------------------------------
wxMediaState wxQTMediaBackend::GetState()
{
if (m_bPlaying)
return wxMEDIASTATE_PLAYING;
else if ( !m_movie || wxQTMediaBackend::GetPosition() == 0 )
return wxMEDIASTATE_STOPPED;
else
return wxMEDIASTATE_PAUSED;
}
//---------------------------------------------------------------------------
// wxQTMediaBackend::Cleanup
//
// Diposes of the movie timer, Disassociates the Movie Controller with
// movie and hides it if it exists, and stops and disposes
// of the QT movie
//---------------------------------------------------------------------------
void wxQTMediaBackend::Cleanup()
{
m_bPlaying = false;
wxDELETE(m_timer);
m_lib.StopMovie(m_movie);
if (m_pMC)
{
Point thePoint;
thePoint.h = thePoint.v = 0;
m_lib.MCSetVisible(m_pMC, false);
m_lib.MCSetMovie(m_pMC, NULL, NULL, thePoint);
}
m_lib.DisposeMovie(m_movie);
m_movie = NULL;
}
//---------------------------------------------------------------------------
// wxQTMediaBackend::ShowPlayerControls
//
// Creates a movie controller for the Movie if the user wants it
//---------------------------------------------------------------------------
bool wxQTMediaBackend::ShowPlayerControls(wxMediaCtrlPlayerControls flags)
{
if (m_pMC)
{
// restore old wndproc
wxSetWindowProc((HWND)m_ctrl->GetHWND(), wxWndProc);
m_lib.DisposeMovieController(m_pMC);
m_pMC = NULL;
// movie controller height
m_bestSize.y -= 16;
}
if (flags && m_movie)
{
Rect rect;
wxRect wxrect = m_ctrl->GetClientRect();
// make room for controller
if (wxrect.width < 320)
wxrect.width = 320;
rect.top = (short)wxrect.y;
rect.left = (short)wxrect.x;
rect.right = (short)(rect.left + wxrect.width);
rect.bottom = (short)(rect.top + wxrect.height);
if (!m_pMC)
{
m_pMC = m_lib.NewMovieController(m_movie, &rect, mcTopLeftMovie |
// mcScaleMovieToFit |
// mcWithBadge |
mcWithFrame);
m_lib.MCDoAction(m_pMC, 32, (void*)true); // mcActionSetKeysEnabled
m_lib.MCSetActionFilterWithRefCon(m_pMC,
(WXFARPROC)wxQTMediaBackend::MCFilterProc, (void*)this);
m_bestSize.y += 16; // movie controller height
// By default the movie controller uses its own colour palette
// for the movie which can be bad on some files, so turn it off.
// Also turn off its frame / border for the movie
// Also take care of a couple of the interface flags here
long mcFlags = 0;
m_lib.MCDoAction(m_pMC, 39/*mcActionGetFlags*/, (void*)&mcFlags);
mcFlags |=
// (1<< 0) /*mcFlagSuppressMovieFrame*/ |
(1<< 3) /*mcFlagsUseWindowPalette*/
| ((flags & wxMEDIACTRLPLAYERCONTROLS_STEP)
? 0 : (1<< 1) /*mcFlagSuppressStepButtons*/)
| ((flags & wxMEDIACTRLPLAYERCONTROLS_VOLUME)
? 0 : (1<< 2) /*mcFlagSuppressSpeakerButton*/)
// | (1<< 4) /*mcFlagDontInvalidate*/ // if we take care of repainting ourselves
;
m_lib.MCDoAction(m_pMC, 38/*mcActionSetFlags*/, wxUIntToPtr(mcFlags));
// intercept the wndproc of our control window
wxSetWindowProc((HWND)m_ctrl->GetHWND(), wxQTMediaBackend::QTWndProc);
// set the user data of our window
wxSetWindowUserData((HWND)m_ctrl->GetHWND(), this);
}
}
NotifyMovieSizeChanged();
return m_lib.GetMoviesError() == noErr;
}
//---------------------------------------------------------------------------
// wxQTMediaBackend::MCFilterProc (static)
//
// Callback for when the movie controller receives a message
//---------------------------------------------------------------------------
Boolean wxQTMediaBackend::MCFilterProc(MovieController WXUNUSED(theController),
short action,
void * WXUNUSED(params),
LONG_PTR refCon)
{
// NB: potential optimisation
// if (action == 1)
// return 0;
wxQTMediaBackend* pThis = (wxQTMediaBackend*)refCon;
switch (action)
{
case 1:
// don't process idle events
break;
case 8:
// play button triggered - MC will set movie to opposite state
// of current - playing ? paused : playing
if (pThis)
pThis->m_bPlaying = !(pThis->m_bPlaying);
// NB: Sometimes it doesn't redraw properly -
// if you click on the button but don't move the mouse
// the button will not change its state until you move
// mcActionDraw and Refresh/Update combo do nothing
// to help this unfortunately
break;
default:
break;
}
return 0;
}
//---------------------------------------------------------------------------
// wxQTMediaBackend::GetVideoSize
//
// Returns the actual size of the QT movie
//---------------------------------------------------------------------------
wxSize wxQTMediaBackend::GetVideoSize() const
{
return m_bestSize;
}
//---------------------------------------------------------------------------
// wxQTMediaBackend::Move
//
// Sets the bounds of either the Movie or Movie Controller
//---------------------------------------------------------------------------
void wxQTMediaBackend::Move(int WXUNUSED(x), int WXUNUSED(y), int w, int h)
{
if (m_movie)
{
// make room for controller
if (m_pMC)
{
if (w < 320)
w = 320;
Rect theRect = {0, 0, (short)h, (short)w};
m_lib.MCSetControllerBoundsRect(m_pMC, &theRect);
}
else
{
Rect theRect = {0, 0, (short)h, (short)w};
m_lib.SetMovieBox(m_movie, &theRect);
}
wxASSERT(m_lib.GetMoviesError() == noErr);
}
}
//---------------------------------------------------------------------------
// wxQTMediaBackend::OnEraseBackground
//
// Suggestion from Greg Hazel to repaint the movie when idle
// (on pause also)
//
// TODO: We may be repainting too much here - under what exact circumstances
// do we need this? I think Move also repaints correctly for the Movie
// Controller, so in that instance we don't need this either
//---------------------------------------------------------------------------
void wxQTMediaEvtHandler::OnEraseBackground(wxEraseEvent& evt)
{
wxQuickTimeLibrary& m_pLib = m_qtb->m_lib;
if ( m_qtb->m_pMC )
{
// repaint movie controller
m_pLib.MCDoAction(m_qtb->m_pMC, 2 /*mcActionDraw*/,
m_pLib.GetNativeWindowPort(m_hwnd));
}
else if ( m_qtb->m_movie )
{
// no movie controller
CGrafPtr port = (CGrafPtr)m_pLib.GetNativeWindowPort(m_hwnd);
m_pLib.BeginUpdate(port);
m_pLib.UpdateMovie(m_qtb->m_movie);
wxASSERT(m_pLib.GetMoviesError() == noErr);
m_pLib.EndUpdate(port);
}
else
{
// no movie
// let the system repaint the window
evt.Skip();
}
}
//---------------------------------------------------------------------------
// End QT Backend
//---------------------------------------------------------------------------
// Allow the user code to use wxFORCE_LINK_MODULE() to ensure that this object
// file is not discarded by the linker.
#include "wx/link.h"
wxFORCE_LINK_THIS_MODULE(wxmediabackend_qt)
#endif // wxUSE_MEDIACTRL && wxUSE_ACTIVEX
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