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bc4261e3c7b82a98ae80fb04a604a08768b81bc7
wxWidgets/src/msw/mediactrl_qt.cpp
Vadim Zeitlin 49b8d79c87 Remove (Open)Watcom support. 
This compiler is not being developed since several years and almost certainly
can't be used to build the current wxWidgets sources anyhow, so remove all
support for it, including a lot of extremely ugly workarounds for its bugs
with template functions.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76546 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2014-05-16 13:01:06 +00:00

1289 lines
44 KiB
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Raw Blame History

/////////////////////////////////////////////////////////////////////////////
// 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
// 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(__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 wxDUMMY_INITIALIZE(0);
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));
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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