void ofVideoPlayer::createImgMemAndGWorld(){
Rect movieRect;
movieRect.top = 0;
movieRect.left = 0;
movieRect.bottom = height;
movieRect.right = width;
offscreenGWorldPixels = new unsigned char[4 * width * height + 32];
pixels = new unsigned char[width*height*3];
#if defined(TARGET_OSX) && defined(__BIG_ENDIAN__)
QTNewGWorldFromPtr (&(offscreenGWorld), k32ARGBPixelFormat, &(movieRect), NULL, NULL, 0, (offscreenGWorldPixels), 4 * width);
#else
QTNewGWorldFromPtr (&(offscreenGWorld), k24RGBPixelFormat, &(movieRect), NULL, NULL, 0, (pixels), 3 * width);
#endif
LockPixels(GetGWorldPixMap(offscreenGWorld));
SetGWorld (offscreenGWorld, NULL);
SetMovieGWorld (moviePtr, offscreenGWorld, nil);
//------------------------------------ texture stuff:
if (bUseTexture){
// create the texture, set the pixels to black and
// upload them to the texture (so at least we see nothing black the callback)
tex.allocate(width,height,GL_RGB);
memset(pixels, 0, width*height*3);
tex.loadData(pixels, width, height, GL_RGB);
allocated = true;
}
}
void ofQuickTimePlayer::createImgMemAndGWorld() {
Rect movieRect;
movieRect.top = 0;
movieRect.left = 0;
movieRect.bottom = height;
movieRect.right = width;
offscreenGWorldPixels = new unsigned char[4 * width * height + 32];
pixels.allocate(width,height,OF_IMAGE_COLOR);
#if defined(TARGET_OSX) && defined(__BIG_ENDIAN__)
QTNewGWorldFromPtr (&(offscreenGWorld), k32ARGBPixelFormat, &(movieRect), NULL, NULL, 0, (offscreenGWorldPixels), 4 * width);
#else
QTNewGWorldFromPtr (&(offscreenGWorld), k24RGBPixelFormat, &(movieRect), NULL, NULL, 0, (pixels.getPixels()), 3 * width);
#endif
LockPixels(GetGWorldPixMap(offscreenGWorld));
// from : https://github.com/openframeworks/openFrameworks/issues/244
// SetGWorld do not seems to be necessary for offscreen rendering of the movie
// only SetMovieGWorld should be called
// if both are called, the app will crash after a few ofVideoPlayer object have been deleted
#ifndef TARGET_WIN32
SetGWorld (offscreenGWorld, NULL);
#endif
SetMovieGWorld (moviePtr, offscreenGWorld, nil);
}
void ofQuickTimePlayer::createImgMemAndGWorld(){
Rect movieRect;
movieRect.top = 0;
movieRect.left = 0;
movieRect.bottom = height;
movieRect.right = width;
if (pixelFormat == OF_PIXELS_RGBA) {
pixels.allocate(width, height, OF_IMAGE_COLOR_ALPHA);
}
else {
pixels.allocate(width, height, OF_IMAGE_COLOR);
}
#if defined(TARGET_OSX) && defined(__BIG_ENDIAN__)
offscreenGWorldPixels = new unsigned char[4 * width * height + 32];
QTNewGWorldFromPtr (&(offscreenGWorld), k32ARGBPixelFormat, &(movieRect), NULL, NULL, 0, (offscreenGWorldPixels), 4 * width);
#else
if (pixelFormat == OF_PIXELS_RGBA) {
QTNewGWorldFromPtr (&(offscreenGWorld), k32RGBAPixelFormat, &(movieRect), NULL, NULL, 0, (pixels.getPixels()), 4 * width);
}
else {
QTNewGWorldFromPtr (&(offscreenGWorld), k24RGBPixelFormat, &(movieRect), NULL, NULL, 0, (pixels.getPixels()), 3 * width);
}
#endif
LockPixels(GetGWorldPixMap(offscreenGWorld));
SetGWorld (offscreenGWorld, NULL);
SetMovieGWorld (moviePtr, offscreenGWorld, nil);
}
void ofxAlphaVideoPlayer::createImgMemAndGWorld(){
Rect movieRect;
movieRect.top = 0;
movieRect.left = 0;
movieRect.bottom = height;
movieRect.right = width;
offscreenGWorldPixels = new unsigned char[4 * width * height + 32];
pixels = new unsigned char[width*height*4]; // 4 =>rgba
#if defined(TARGET_OSX) && defined(__BIG_ENDIAN__)
//cout << "with Big Endian"<<endl;
QTNewGWorldFromPtr (&(offscreenGWorld), k32ARGBPixelFormat, &(movieRect), NULL, NULL, 0, (offscreenGWorldPixels), 4 * width);
#else
//cout << "no Big Endian"<<endl;
QTNewGWorldFromPtr (&(offscreenGWorld), k32RGBAPixelFormat, &(movieRect), NULL, NULL, 0, (pixels), 4 * width);
#endif
/** POSSIBLE PIXEL FORMATS
k32BGRAPixelFormat = 'BGRA', // 32 bit bgra (Matrox)
k32ABGRPixelFormat = 'ABGR', // 32 bit abgr
k32RGBAPixelFormat = 'RGBA', // 32 bit rgba
***********/
LockPixels(GetGWorldPixMap(offscreenGWorld));
SetGWorld (offscreenGWorld, NULL);
SetMovieGWorld (moviePtr, offscreenGWorld, nil);
//------------------------------------ texture stuff:
if (bUseTexture){
// create the texture, set the pixels to black and
// upload them to the texture (so at least we see nothing black the callback)
tex.allocate(width,height,GL_RGBA);
memset(pixels, 0, width*height*4);
tex.loadData(pixels, width, height, GL_RGBA);
allocated = true;
}
}
OSErr QTDR_PlayMovieFromRAM (Movie theMovie)
{
WindowPtr myWindow = NULL;
Rect myBounds = {50, 50, 100, 100};
Rect myRect;
StringPtr myTitle = QTUtils_ConvertCToPascalString(kWindowTitle);
OSErr myErr = memFullErr;
myWindow = NewCWindow(NULL, &myBounds, myTitle, false, 0, (WindowPtr)-1, false, 0);
if (myWindow == NULL)
goto bail;
myErr = noErr;
MacSetPort((GrafPtr)GetWindowPort(myWindow));
GetMovieBox(theMovie, &myRect);
MacOffsetRect(&myRect, -myRect.left, -myRect.top);
SetMovieBox(theMovie, &myRect);
if (!EmptyRect(&myRect))
SizeWindow(myWindow, myRect.right, myRect.bottom, false);
else
SizeWindow(myWindow, 200, 0, false);
MacShowWindow(myWindow);
SetMovieGWorld(theMovie, GetWindowPort(myWindow), NULL);
GoToBeginningOfMovie(theMovie);
MoviesTask(theMovie, 0);
StartMovie(theMovie);
myErr = GetMoviesError();
if (myErr != noErr)
goto bail;
while (!IsMovieDone(theMovie))
MoviesTask(theMovie, 0);
bail:
free(myTitle);
if (theMovie != NULL)
DisposeMovie(theMovie);
if (myWindow != NULL)
DisposeWindow(myWindow);
return(myErr);
}
OSErr DoPlayMovie(Boolean useOverlay)
{
Rect movieBounds;
OSErr err;
BailErr((err = GetAMovieFile(&mMovie)));
GetMovieBox(mMovie, &movieBounds);
mMovieController = NewMovieController(mMovie, &movieBounds, mcTopLeftMovie | mcNotVisible);
NormalizeMovieRect(mMovie);
GetMovieBox(mMovie, &movieBounds);
BailErr((err = InitializeMungData(movieBounds,
FrontWindow(),
useOverlay, /* overlay */
true, /* clamp */
false /* draw with QT Effect */
)));
// This is key, as we need to draw all frames in our
// offscreen gworld first. Once there, our custom
// decompressor component can perform overlay drawing
// or color clamping
SetMovieGWorld(mMovie, GetMungDataOffscreen(), nil);
// Our DrawCompleteProc calls BlitOneMungData which
SetupMovieDrawCompleteProc();
// ---------
SetMovieActive(mMovie, true);
#ifndef __APPLE_CC__
// Due to a bug in Jaguar, some QT functions are missing from
// /System/Library/CFMSupport/CarbonLib, so we must manually
// grab the function pointers from the QuickTime.framework
// for CFM Carbon applications. MachO Carbon applications do not
// have the problem.
GetMissingQTFunctionPointers();
#endif
InstallMovieIdlingEventLoopTimer(&mMovieTimerState);
// start the movie playing
MCDoAction(mMovieController, mcActionPrerollAndPlay, (void*)Long2Fix(1));
bail:
return err;
}
quicktime_player* quicktime_player::open( const char *path ) {
OSErr err;
OSType dataRefType;
Handle dataRef = NULL;
short resID = 0;
impl *m = new impl;
std::string pathStd = path;
#ifdef WIN32
for (std::string::iterator p = pathStd.begin(); p != pathStd.end(); ++p) if (*p == '/') *p = '\\';
#endif
CFStringRef cfPath = CFStringCreateWithCString(NULL, pathStd.c_str(), kCFStringEncodingISOLatin1);
err = QTNewDataReferenceFromFullPathCFString(cfPath, (QTPathStyle)kQTNativeDefaultPathStyle, 0, &dataRef, &dataRefType);
CFRelease(cfPath);
if (err != noErr) {
delete m;
return NULL;
}
err = NewMovieFromDataRef(&m->movie, newMovieActive, &resID, dataRef, dataRefType);
DisposeHandle(dataRef);
if (err != noErr) {
delete m;
return NULL;
}
m->track = GetMovieIndTrackType(m->movie, 1, VisualMediaCharacteristic, movieTrackCharacteristic);
m->media = GetTrackMedia(m->track);
Rect bounds;
GetMovieBox(m->movie, &bounds);
m->width = bounds.right;
m->height = bounds.bottom;
m->buffer = (unsigned char*)malloc(4 * m->width * m->height);
err = QTNewGWorldFromPtr(&m->gworld, k32BGRAPixelFormat, &bounds, NULL, NULL, 0, m->buffer, 4 * m->width);
if (err != noErr) {
delete m;
return NULL;
}
SetMovieGWorld(m->movie, m->gworld, NULL);
return new quicktime_player(m);
}
//---------------------------------------------------------------------------
bool ofVideoPlayer::loadMovie(string name){
//--------------------------------------
#ifdef OF_VIDEO_PLAYER_QUICKTIME
//--------------------------------------
initializeQuicktime(); // init quicktime
closeMovie(); // if we have a movie open, close it
bLoaded = false; // try to load now
if( name.substr(0, 7) == "http://"){
if(! createMovieFromURL(name, moviePtr) ) return false;
}else{
name = ofToDataPath(name);
if( !createMovieFromPath((char *)name.c_str(), moviePtr) ) return false;
}
bool bDoWeAlreadyHaveAGworld = false;
if (width != 0 && height != 0){
bDoWeAlreadyHaveAGworld = true;
}
Rect movieRect;
GetMovieBox(moviePtr, &(movieRect));
if (bDoWeAlreadyHaveAGworld){
// is the gworld the same size, then lets *not* de-allocate and reallocate:
if (width == movieRect.right &&
height == movieRect.bottom){
SetMovieGWorld (moviePtr, offscreenGWorld, nil);
} else {
width = movieRect.right;
height = movieRect.bottom;
delete(pixels);
delete(offscreenGWorldPixels);
if ((offscreenGWorld)) DisposeGWorld((offscreenGWorld));
createImgMemAndGWorld();
}
} else {
width = movieRect.right;
height = movieRect.bottom;
createImgMemAndGWorld();
}
if (moviePtr == NULL){
return false;
}
//----------------- callback method
MovieDrawingCompleteUPP myDrawCompleteProc;
myDrawCompleteProc = NewMovieDrawingCompleteUPP (DrawCompleteProc);
SetMovieDrawingCompleteProc (moviePtr, movieDrawingCallWhenChanged, myDrawCompleteProc, (long)this);
// ------------- get some pixels in there ------
GoToBeginningOfMovie(moviePtr);
SetMovieActiveSegment(moviePtr, -1,-1);
MoviesTask(moviePtr,0);
convertPixels(offscreenGWorldPixels, pixels, width, height);
if (bUseTexture == true){
tex.loadData(pixels, width, height, GL_RGB);
}
bStarted = false;
bLoaded = true;
bPlaying = false;
bHavePixelsChanged = false;
speed = 1;
return true;
//--------------------------------------
#else
//--------------------------------------
bLoaded = false;
bPaused = false;
speed = 1.0f;
bHavePixelsChanged = false;
name = ofToDataPath(name);
fobsDecoder = new omnividea::fobs::Decoder(name.c_str());
omnividea::fobs::ReturnCode error = fobsDecoder->open();
width = fobsDecoder->getWidth();
height = fobsDecoder->getHeight();
pixels = new unsigned char[width*height*3];
if (!fobsDecoder->isVideoPresent()){
return false;
}
bLoaded = true;
if (bUseTexture){
// create the texture, set the pixels to black and
// upload them to the texture (so at least we see nothing black the callback)
tex.allocate(width,height,GL_RGB);
memset(pixels, 0, width*height*3);
tex.loadData(pixels, width, height, GL_RGB);
}
error = fobsDecoder->setFrame(0);
if(error == omnividea::fobs::NoFrameError) {
error = omnividea::fobs::OkCode;
printf("NoFrameError\n");
}
if(omnividea::fobs::isOk(error)){
// get some pixels in:
unsigned char *rgb = fobsDecoder->getRGB();
if(rgb == NULL) error = omnividea::fobs::GenericError;
if(isOk(error))
{
memcpy(pixels, rgb, width*height*3);
tex.loadData(pixels, width, height, GL_RGB);
}
}
iTotalFrames = (int)(fobsDecoder->getFrameRate()*fobsDecoder->getDurationSeconds());
positionPct = 0;
timeLastIdle = ofGetElapsedTimef();
durationMillis = fobsDecoder->getDurationSeconds() * 1000.0f;
return true;
//--------------------------------------
#endif
//--------------------------------------
}
/*
* PsychQTCreateMovie() -- Create a movie object.
*
* This function tries to open a Quicktime-Moviefile and create an
* associated movie object for it.
*
* win = Pointer to window record of associated onscreen window.
* moviename = char* with the name of the moviefile.
* preloadSecs = How many seconds of the movie should be preloaded/prefetched into RAM at movie open time?
* moviehandle = handle to the new movie.
*/
void PsychQTCreateMovie(PsychWindowRecordType *win, const char* moviename, double preloadSecs, int* moviehandle)
{
Movie theMovie = NULL;
QTVisualContextRef QTMovieContext = NULL;
QTAudioContextRef QTAudioContext = NULL;
int i, slotid;
OSErr error;
CFStringRef movieLocation;
CFURLRef movieURLLocation;
CFStringRef coreAudioDeviceUID;
psych_bool trueValue = TRUE;
QTNewMoviePropertyElement newMovieProperties[4] = {0};
int propcount = 0;
char msgerr[10000];
char errdesc[1000];
Rect movierect;
psych_bool printErrors;
// Suppress output of error-messages if moviehandle == 1000. That means we
// run in our own Posix-Thread, not in the Matlab-Thread. Printing via Matlabs
// printing facilities would likely cause a terrible crash.
printErrors = (*moviehandle == -1000) ? FALSE : TRUE;
// Set movie handle to "failed" initially:
*moviehandle = -1;
// We startup the Quicktime subsystem only on first invocation.
if (firsttime) {
#if PSYCH_SYSTEM == PSYCH_WINDOWS
// Initialize Quicktime for Windows compatibility layer: This will fail if
// QT isn't installed on the Windows machine...
error = InitializeQTML(0);
if (error!=noErr) {
if (printErrors) {
PsychErrorExitMsg(PsychError_internal, "Quicktime Media Layer initialization failed: Quicktime not properly installed?!?");
} else return;
}
#endif
// Initialize Quicktime-Subsystem:
error = EnterMovies();
if (error!=noErr) {
if (printErrors) PsychErrorExitMsg(PsychError_internal, "Quicktime EnterMovies() failed!!!"); else return;
}
firsttime = FALSE;
}
if (!PsychIsOnscreenWindow(win)) {
if (printErrors) PsychErrorExitMsg(PsychError_user, "Provided windowPtr is not an onscreen window."); else return;
}
if (NULL==moviename) {
if (printErrors) PsychErrorExitMsg(PsychError_internal, "NULL-Ptr instead of moviename passed!"); else return;
}
if (numMovieRecords >= PSYCH_MAX_MOVIES) {
*moviehandle = -2;
if (printErrors) PsychErrorExitMsg(PsychError_user, "Allowed maximum number of simultaneously open movies exceeded!"); else return;
}
// Search first free slot in movieRecordBANK:
for (i=0; (i < PSYCH_MAX_MOVIES) && (movieRecordBANK[i].theMovie); i++);
if (i>=PSYCH_MAX_MOVIES) {
*moviehandle = -2;
if (printErrors) PsychErrorExitMsg(PsychError_user, "Allowed maximum number of simultaneously open movies exceeded!"); else return;
}
// Slot slotid will contain the movie record for our new movie object:
slotid=i;
// Create name-string for moviename:
movieLocation = CFStringCreateWithCString (kCFAllocatorDefault, moviename, kCFStringEncodingASCII);
// Zero-out new record in moviebank:
movieRecordBANK[slotid].theMovie=NULL;
movieRecordBANK[slotid].QTMovieContext=NULL;
movieRecordBANK[slotid].QTAudioContext=NULL;
movieRecordBANK[slotid].QTMovieGWorld=NULL;
if (!PSYCH_USE_QT_GWORLDS) {
// Create QTGLTextureContext:
#if PSYCH_SYSTEM != PSYCH_WINDOWS
error = QTOpenGLTextureContextCreate (kCFAllocatorDefault,
win->targetSpecific.contextObject,
win->targetSpecific.pixelFormatObject,
NULL,
&QTMovieContext);
#endif
if (error!=noErr) {
if (printErrors) PsychErrorExitMsg(PsychError_internal, "OpenGL Quicktime visual context creation failed!!!"); else return;
}
}
// The Movie location
newMovieProperties[propcount].propClass = kQTPropertyClass_DataLocation;
if (strstr(moviename, "http:") || strstr(moviename, "ftp:")) {
// Open movie from URL, e.g., http- or ftp- server:
movieURLLocation = CFURLCreateWithString(kCFAllocatorDefault, movieLocation, NULL);
newMovieProperties[propcount].propID = kQTDataLocationPropertyID_CFURL;
newMovieProperties[propcount].propValueSize = sizeof(movieURLLocation);
newMovieProperties[propcount++].propValueAddress = (void*) &movieURLLocation;
}
else {
// Open movie file from filesystem:
newMovieProperties[propcount].propID = kQTDataLocationPropertyID_CFStringPosixPath;
newMovieProperties[propcount].propValueSize = sizeof(CFStringRef);
newMovieProperties[propcount++].propValueAddress = &movieLocation;
}
if (!PSYCH_USE_QT_GWORLDS) {
// The Movie visual context
newMovieProperties[propcount].propClass = kQTPropertyClass_Context;
newMovieProperties[propcount].propID = kQTContextPropertyID_VisualContext;
newMovieProperties[propcount].propValueSize = sizeof(QTVisualContextRef);
newMovieProperties[propcount++].propValueAddress = &QTMovieContext;
}
if (TRUE) {
// Create QTAudioContext for default CoreAudio device:
coreAudioDeviceUID = NULL; // Use default audio-output device.
error =QTAudioContextCreateForAudioDevice (kCFAllocatorDefault,
coreAudioDeviceUID,
NULL,
&QTAudioContext);
if (error!=noErr) {
if (printErrors) PsychErrorExitMsg(PsychError_internal, "Quicktime audio context creation failed!!!"); else return;
}
// The Movie audio context
newMovieProperties[propcount].propClass = kQTPropertyClass_Context;
newMovieProperties[propcount].propID = kQTContextPropertyID_AudioContext;
newMovieProperties[propcount].propValueSize = sizeof(QTAudioContextRef);
newMovieProperties[propcount++].propValueAddress = &QTAudioContext;
}
// The Movie active
newMovieProperties[propcount].propClass = kQTPropertyClass_NewMovieProperty;
newMovieProperties[propcount].propID = kQTNewMoviePropertyID_Active;
newMovieProperties[propcount].propValueSize = sizeof(trueValue);
newMovieProperties[propcount++].propValueAddress = &trueValue;
// Instantiate the Movie
error = NewMovieFromProperties(propcount, newMovieProperties, 0, NULL, &theMovie);
if (error!=noErr) {
QTVisualContextRelease(QTMovieContext);
QTAudioContextRelease(QTAudioContext);
switch(error) {
case -2000:
case -50:
case -43:
sprintf(errdesc, "File not found.");
break;
case -2048:
sprintf(errdesc, "This is not a file that Quicktime understands.");
break;
case -2003:
sprintf(errdesc, "Can't find media handler (codec) for this movie.");
break;
default:
sprintf(errdesc, "Unknown: Check http://developer.apple.com/documentation/QuickTime/APIREF/ErrorCodes.htm#//apple_ref/doc/constant_group/Error_Codes");
}
sprintf(msgerr, "Couldn't load movie %s! Quicktime error code %i [%s]", moviename, (int) error, errdesc);
*moviehandle = (int) error;
if (printErrors) PsychErrorExitMsg(PsychError_user, msgerr); else return;
}
CFRelease(movieLocation);
if (PSYCH_USE_QT_GWORLDS) {
// Determine size of images in movie:
GetMovieBox(theMovie, &movierect);
// Only create a GWorld if movie frames contain at least 1 pixel. This way we skip GWorld
// setup on "movies" which only consist of sound tracks.
if ((movierect.right - movierect.left != 0) && (movierect.bottom - movierect.top != 0)) {
// Create GWorld for this movie object:
// error = QTNewGWorld(&movieRecordBANK[slotid].QTMovieGWorld, k32ABGRPixelFormat, &movierect, NULL, NULL, 0);
error = QTNewGWorld(&movieRecordBANK[slotid].QTMovieGWorld, 0, &movierect, NULL, NULL, 0);
if (error!=noErr) {
QTAudioContextRelease(QTAudioContext);
DisposeMovie(movieRecordBANK[slotid].theMovie);
movieRecordBANK[slotid].theMovie=NULL;
if (printErrors) PsychErrorExitMsg(PsychError_internal, "Quicktime GWorld creation failed!!!"); else return;
}
// Attach this GWorld as rendering target for Quicktime:
SetMovieGWorld(theMovie, movieRecordBANK[slotid].QTMovieGWorld, NULL);
}
}
// Preload preloadSecs seconds of movie into system RAM for faster playback:
if (preloadSecs > 0) LoadMovieIntoRam(theMovie, 0, ((long) preloadSecs + 0.5) * GetMovieTimeScale(theMovie), keepInRam);
// Special setting - 1 means: Load whole movie into RAM:
if (preloadSecs == -1) LoadMovieIntoRam(theMovie, 0, GetMovieDuration(theMovie), keepInRam);
// We don't preroll: Didn't help for async playback, but leads to failure in
// manual playback mode: PrerollMovie(theMovie, 0, FloatToFixed(1));
// MoviesTask() it to make sure start of plaback will be as stutter-free as possible:
MoviesTask(theMovie, 10000);
// Assign new record in moviebank:
movieRecordBANK[slotid].theMovie=theMovie;
movieRecordBANK[slotid].QTMovieContext=QTMovieContext;
movieRecordBANK[slotid].QTAudioContext=QTAudioContext;
movieRecordBANK[slotid].loopflag = 0;
*moviehandle = slotid;
// Increase counter:
numMovieRecords++;
// Compute basic movie properties - Duration and fps as well as image size:
// Compute duration in seconds:
movieRecordBANK[slotid].movieduration = (double) GetMovieDuration(theMovie) / (double) GetMovieTimeScale(theMovie);
// Compute expected framerate, assuming a linear spacing between frames: It is derived as
// reciprocal of the duration of the first video frame in the movie:
movieRecordBANK[slotid].fps = PsychDetermineMovieFramecountAndFps(theMovie, NULL);
// Determine size of images in movie:
GetMovieBox(theMovie, &movierect);
movieRecordBANK[slotid].width = movierect.right - movierect.left;
movieRecordBANK[slotid].height = movierect.bottom - movierect.top;
// We set nrframes == -1 to indicate that this value is not yet available.
// Will do counting on first query for this parameter as it is very time-consuming:
movieRecordBANK[slotid].nrframes = -1;
return;
}
////////////////////////////////////////////////////////////////////////////////
// virtual
bool LLMediaImplQuickTime::sizeChanged()
{
if ( ! mMovieHandle )
return false;
// sanitize size of movie
Rect movie_rect;
setMovieBoxEnhanced( &movie_rect );
// we need this later
int width = ( movie_rect.right - movie_rect.left );
int height = ( movie_rect.bottom - movie_rect.top );
std::cout << "LLMEDIA> size changed to " << width << " x " << height << std::endl;
setMediaSize( width, height );
// media depth won't change
int depth_bits = getMediaDepth() * 8;
GWorldPtr old_gworld_handle = mGWorldHandle;
if (old_gworld_handle)
{
GWorldFlags result = UpdateGWorld( &mGWorldHandle, depth_bits, &movie_rect, NULL, NULL, 0 );
if ( gwFlagErr == result )
{
// TODO: unrecoverable?? throw exception? return something?
return false;
}
}
else
{
OSErr result = NewGWorld( &mGWorldHandle, depth_bits, &movie_rect, NULL, NULL, keepLocal | pixelsLocked );
if ( noErr != result )
{
// ATODO: unrecoverable?? throw exception? return something?
return false;
}
// clear memory in GWorld to avoid random screen visual fuzz from uninitialized texture data
if ( mGWorldHandle )
{
PixMapHandle pix_map_handle = GetGWorldPixMap( mGWorldHandle );
unsigned char* ptr = ( unsigned char* )GetPixBaseAddr( pix_map_handle );
memset( ptr, 0x00, height * QTGetPixMapHandleRowBytes( pix_map_handle ) );
}
}
// point movie at GWorld if it's new
if ( mMovieHandle && ! old_gworld_handle )
{
SetMovieGWorld( mMovieHandle, mGWorldHandle, GetGWorldDevice ( mGWorldHandle ) );
}
// update movie controller
if ( mMovieController )
{
MCSetControllerPort( mMovieController, mGWorldHandle );
MCPositionController( mMovieController, &movie_rect, &movie_rect,
mcTopLeftMovie | mcPositionDontInvalidate );
MCMovieChanged( mMovieController, mMovieHandle );
}
// Emit event with size change so the calling app knows about it too
LLMediaEvent event( this );
mEventEmitter.update( &LLMediaObserver::onMediaSizeChange, event );
return true;
}
void TLevelReader3gp::load(const TRasterP &rasP, int frameIndex, const TPoint &pos, int shrinkX, int shrinkY)
{
TRaster32P ras = rasP;
{
QMutexLocker sl(&m_mutex);
ras->lock();
if (m_IOError != QTNoError)
goto error;
Rect rect;
rect.right = pos.x + ras->getLx();
rect.left = pos.x;
rect.bottom = pos.y + ras->getLy();
rect.top = pos.y;
GWorldPtr offscreenGWorld;
OSErr err;
#if defined TNZ_MACHINE_CHANNEL_ORDER_BGRM
OSType pixelFormat = k32BGRAPixelFormat;
#elif defined TNZ_MACHINE_CHANNEL_ORDER_MRGB
OSType pixelFormat = k32ARGBPixelFormat;
#endif
err = QTNewGWorldFromPtr(
&offscreenGWorld, pixelFormat,
&rect, 0, 0, 0, ras->getRawData(), ras->getWrap() * 4);
if (err != noErr) {
m_IOError = QTUnableToCreateResource;
goto error;
}
SetMovieBox(m_movie, &rect);
err = GetMoviesError();
if (err != noErr) {
m_IOError = QTUnableToSetMovieBox;
#if 0
DisposeGWorld(offscreenGWorld);
#endif
goto error;
}
#if 0
SetMovieGWorld(m_movie, offscreenGWorld, GetGWorldDevice(offscreenGWorld));
#endif
err = GetMoviesError();
if (err != noErr) {
m_IOError = QTUnableToSetMovieGWorld;
#if 0
DisposeGWorld(offscreenGWorld);
#endif
goto error;
}
TimeValue currentTime = currentTimes[frameIndex];
SetMovieTimeValue(m_movie, currentTime);
err = GetMoviesError();
if (err != noErr) {
m_IOError = QTUnableToSetTimeValue;
#if 0
DisposeGWorld(offscreenGWorld);
#endif
goto error;
}
err = UpdateMovie(m_movie);
if (err != noErr) {
m_IOError = QTUnableToUpdateMovie;
#if 0
DisposeGWorld(offscreenGWorld);
#endif
goto error;
}
MoviesTask(m_movie, 0);
err = GetMoviesError();
if (err != noErr) {
m_IOError = QTUnableToDoMovieTask;
#if 0
DisposeGWorld(offscreenGWorld);
#endif
goto error;
}
SetMovieGWorld(m_movie, 0, 0);
#if 0
DisposeGWorld(offscreenGWorld);
#endif
ras->unlock();
}
if (m_depth != 32) {
setMatteAndYMirror(rasP);
} else {
rasP->yMirror();
}
return;
error:
ras->unlock();
throw TImageException(m_path, buildQTErrorString(m_IOError));
}
void QTCode_SetMovieGWorld(Movie theMovie, GWorldPtr offscreen)
{
SetMovieGWorld(theMovie, offscreen, GetGWorldDevice(offscreen));
}
boolean playeropenmovieinwindow ( ptrfilespec f ) {
//
// 2006-06-23 creedon: FSRef-zed
//
// 7.0b4 PBS: open a movie in the QuickTime Player window and display it. If the window isn't already open, open it.
//
short movieresref;
OSErr err;
hdlwindowinfo hinfo;
FSSpec fs;
if (macgetfsspec (f, &fs) != noErr)
return (false);
if (!findplayerwindow (&hinfo))
playeropencommand (); // If the Player window doesn't exist, create a new one.
getwindowinfo (playerwindow, &playerwindowinfo);
playerdisposecurrentmovie (); // make sure the current movie has been disposed
SetGWorld (GetWindowPort (playerwindow), nil);
err = OpenMovieFile ( &fs, &movieresref, fsRdPerm);
if (err != noErr)
return (false);
NewMovieFromFile (¤tmovie, movieresref, nil, nil, newMovieActive, nil);
CloseMovieFile (movieresref);
SetMovieGWorld (currentmovie, GetWindowPort (playerwindow), nil);
GetMovieBox (currentmovie, ¤tmovierect);
OffsetRect (¤tmovierect, -currentmovierect.left, -currentmovierect.top);
SetMovieBox (currentmovie, ¤tmovierect);
currentcontroller = NewMovieController (currentmovie, ¤tmovierect, mcTopLeftMovie);
MCGetControllerBoundsRect (currentcontroller, ¤tmovierect);
//MCSetActionFilterWithRefCon (currentcontroller, NewMCActionFilterWithRefConProc(playermoviecontrollereventfilter), (long) playerwindow);
SizeWindow (playerwindow, currentmovierect.right, currentmovierect.bottom, false);
(**playerwindowinfo).contentrect = currentmovierect;
AlignWindow (playerwindow, false, nil, nil); // position for optimal playback
//MCDoAction (currentcontroller, mcActionSetKeysEnabled, (void *) true); /*enable keyboard input*/ /*No!*/
MoviesTask (nil, 0);
MCIdle (currentcontroller);
return (true);
} // playeropenmovieinwindow
//---------------------------------------------------------------------------
bool ofQuickTimePlayer::loadMovie(string name) {
//--------------------------------------
#ifdef OF_VIDEO_PLAYER_QUICKTIME
//--------------------------------------
initializeQuicktime(); // init quicktime
closeMovie(); // if we have a movie open, close it
bLoaded = false; // try to load now
// from : https://github.com/openframeworks/openFrameworks/issues/244
// http://developer.apple.com/library/mac/#documentation/QuickTime/RM/QTforWindows/QTforWindows/C-Chapter/3BuildingQuickTimeCa.html
// Apple's documentation *seems* to state that a Gworld should have been set prior to calling NewMovieFromFile
// So I set a dummy Gworld (1x1 pixel) before calling createMovieFromPath
// it avoids crash at the creation of objet ofVideoPlayer after a previous ofVideoPlayer have been deleted
#ifdef TARGET_WIN32
if (width != 0 && height != 0) {
pixels.clear();
delete [] offscreenGWorldPixels;
}
width = 1;
height = 1;
createImgMemAndGWorld();
#endif
if( name.substr(0, 7) == "http://" || name.substr(0,7) == "rtsp://" ) {
if(! createMovieFromURL(name, moviePtr) ) return false;
} else {
name = ofToDataPath(name);
if( !createMovieFromPath((char *)name.c_str(), moviePtr) ) return false;
}
bool bDoWeAlreadyHaveAGworld = false;
if (width != 0 && height != 0) {
bDoWeAlreadyHaveAGworld = true;
}
Rect movieRect;
GetMovieBox(moviePtr, &(movieRect));
if (bDoWeAlreadyHaveAGworld) {
// is the gworld the same size, then lets *not* de-allocate and reallocate:
if (width == movieRect.right &&
height == movieRect.bottom) {
SetMovieGWorld (moviePtr, offscreenGWorld, nil);
} else {
width = movieRect.right;
height = movieRect.bottom;
pixels.clear();
delete [] offscreenGWorldPixels;
if ((offscreenGWorld)) DisposeGWorld((offscreenGWorld));
createImgMemAndGWorld();
}
} else {
width = movieRect.right;
height = movieRect.bottom;
createImgMemAndGWorld();
}
if (moviePtr == NULL) {
return false;
}
//----------------- callback method
myDrawCompleteProc = NewMovieDrawingCompleteUPP (DrawCompleteProc);
SetMovieDrawingCompleteProc (moviePtr, movieDrawingCallWhenChanged, myDrawCompleteProc, (long)this);
// ------------- get the total # of frames:
nFrames = 0;
TimeValue curMovieTime;
curMovieTime = 0;
TimeValue duration;
//OSType whichMediaType = VIDEO_TYPE; // mingw chokes on this
OSType whichMediaType = FOUR_CHAR_CODE('vide');
short flags = nextTimeMediaSample + nextTimeEdgeOK;
while( curMovieTime >= 0 ) {
nFrames++;
GetMovieNextInterestingTime(moviePtr,flags,1,&whichMediaType,curMovieTime,0,&curMovieTime,&duration);
flags = nextTimeMediaSample;
}
nFrames--; // there's an extra time step at the end of themovie
// ------------- get some pixels in there ------
GoToBeginningOfMovie(moviePtr);
SetMovieActiveSegment(moviePtr, -1,-1);
MoviesTask(moviePtr,0);
#if defined(TARGET_OSX) && defined(__BIG_ENDIAN__)
convertPixels(offscreenGWorldPixels, pixels.getPixels(), width, height);
#endif
bStarted = false;
bLoaded = true;
bPlaying = false;
bHavePixelsChanged = false;
speed = 1;
return true;
//--------------------------------------
#endif
//--------------------------------------
}
void mexFunction(int nlhs, mxArray* plhs[], int nrhs, const mxArray* prhs[]) {
if (nlhs < 0) { mexErrMsgTxt("Too few output arguments."); return; }
if (nlhs > 1) { mexErrMsgTxt("Too many output arguments."); return; }
if (nrhs < 1) { mexErrMsgTxt("Too few input arguments."); return; }
if (nrhs > 3) { mexErrMsgTxt("Too many input arguments."); return; }
TimeValue duration;
TimeRecord myTimeRecord;
Rect bounds;
OSErr result = 0;
short resRefNum = -1;
short actualResId = DoTheRightThing;
FSSpec theFSSpec;
GWorldPtr offWorld;
Movie theMovie = nil;
MovieController thePlayer = nil;
MovieDrawingCompleteUPP myDrawCompleteProc;
long frame_end;
long myStep = 1;
char location[PATH_BUFFER_SIZE];
long frame_count;
mwSize cdims[2];
mxGetString(prhs[0], location, PATH_BUFFER_SIZE);
if (nrhs > 2) {
frame_start = rint(mxGetScalar(prhs[1]));
frame_end = rint(mxGetScalar(prhs[2]));
} else if (nrhs > 1) {
frame_start = 1;
frame_end = rint(mxGetScalar(prhs[1]));
} else {
frame_start = 1;
frame_end = 0;
}
if (frame_start < 1) {
mexErrMsgTxt("Error: the starting frame must be positive\n");
return;
}
if (frame_end < 0) {
mexErrMsgTxt("Error: the ending frame must be positive\n");
return;
}
if (frame_end != 0 && frame_end < frame_start) {
mexErrMsgTxt("Error: the ending frame must not be less than the starting frame\n");
return;
}
myDrawCompleteProc = NewMovieDrawingCompleteUPP(DrawCompleteProc);
EnterMovies();
if (NativePathNameToFSSpec(location, &theFSSpec, 0) ||
OpenMovieFile(&theFSSpec, &resRefNum, 0) ||
NewMovieFromFile(&theMovie, resRefNum, &actualResId, 0, 0, 0)) {
mexErrMsgTxt("Error: failed to open movie\n");
return;
}
if (resRefNum != -1) CloseMovieFile(resRefNum);
GetMovieBox(theMovie, &bounds);
QTNewGWorld(&offWorld, k32ARGBPixelFormat, &bounds, NULL, NULL, 0);
LockPixels(GetGWorldPixMap(offWorld));
SetGWorld(offWorld, NULL);
thePlayer = NewMovieController(theMovie, &bounds, mcTopLeftMovie | mcNotVisible);
SetMovieGWorld(theMovie, offWorld, NULL);
SetMovieActive(theMovie, true);
SetMovieDrawingCompleteProc(theMovie, movieDrawingCallWhenChanged, myDrawCompleteProc, (long) offWorld);
GetMovieTime(theMovie, &myTimeRecord);
duration = GetMovieDuration(theMovie);
// Compute the number of frames for allocation of output structure
frame_count = 0;
while ((frame_end == 0 || frame_count < frame_end) && GetMovieTime(theMovie, NULL) < duration) {
frame_count++;
MCDoAction(thePlayer, mcActionStep, (Ptr) myStep);
}
SetMovieTime(theMovie, &myTimeRecord);
// Ignore frames greater than those in the file
if (frame_end == 0 || frame_count < frame_end) frame_end = frame_count;
cdims[0] = frame_end - frame_start + 1; // Indices are one-based
cdims[1] = 1;
plhs[0] = mxCreateCellArray(2, cdims);
// Step through the movie and save the frame when in the chosen interval
// Note: the step size seems to be handled as a short internally.
// Using anything greater than 32758 will seek to an incorrect frame
frame_num = 1;
while (frame_num <= frame_end) {
MCDoAction(thePlayer, mcActionStep, (Ptr) myStep);
if (frame_num >= frame_start) {
MCIdle(thePlayer);
mxSetCell(plhs[0], frame_num - frame_start, framedata);
}
frame_num++;
}
UnlockPixels(GetGWorldPixMap (offWorld));
DisposeGWorld(offWorld);
DisposeMovieController (thePlayer);
DisposeMovie(theMovie);
DisposeMovieDrawingCompleteUPP(myDrawCompleteProc);
ExitMovies();
return;
}
//---------------------------------------------------------------------------
bool ofQuickTimePlayer::loadMovie(string name){
//--------------------------------------
#ifdef OF_VIDEO_PLAYER_QUICKTIME
//--------------------------------------
initializeQuicktime(); // init quicktime
closeMovie(); // if we have a movie open, close it
bLoaded = false; // try to load now
if( name.substr(0, 7) == "http://" || name.substr(0,7) == "rtsp://" ){
if(! createMovieFromURL(name, moviePtr) ) return false;
}else{
name = ofToDataPath(name);
if( !createMovieFromPath((char *)name.c_str(), moviePtr) ) return false;
}
bool bDoWeAlreadyHaveAGworld = false;
if (width != 0 && height != 0){
bDoWeAlreadyHaveAGworld = true;
}
Rect movieRect;
GetMovieBox(moviePtr, &(movieRect));
if (bDoWeAlreadyHaveAGworld){
// is the gworld the same size, then lets *not* de-allocate and reallocate:
if (width == movieRect.right &&
height == movieRect.bottom){
SetMovieGWorld (moviePtr, offscreenGWorld, nil);
} else {
width = movieRect.right;
height = movieRect.bottom;
pixels.clear();
delete(offscreenGWorldPixels);
if ((offscreenGWorld)) DisposeGWorld((offscreenGWorld));
createImgMemAndGWorld();
}
} else {
width = movieRect.right;
height = movieRect.bottom;
createImgMemAndGWorld();
}
if (moviePtr == NULL){
return false;
}
//----------------- callback method
myDrawCompleteProc = NewMovieDrawingCompleteUPP (DrawCompleteProc);
SetMovieDrawingCompleteProc (moviePtr, movieDrawingCallWhenChanged, myDrawCompleteProc, (long)this);
// ------------- get the total # of frames:
nFrames = 0;
TimeValue curMovieTime;
curMovieTime = 0;
TimeValue duration;
//OSType whichMediaType = VIDEO_TYPE; // mingw chokes on this
OSType whichMediaType = FOUR_CHAR_CODE('vide');
short flags = nextTimeMediaSample + nextTimeEdgeOK;
while( curMovieTime >= 0 ) {
nFrames++;
GetMovieNextInterestingTime(moviePtr,flags,1,&whichMediaType,curMovieTime,0,&curMovieTime,&duration);
flags = nextTimeMediaSample;
}
nFrames--; // there's an extra time step at the end of themovie
// ------------- get some pixels in there ------
GoToBeginningOfMovie(moviePtr);
SetMovieActiveSegment(moviePtr, -1,-1);
MoviesTask(moviePtr,0);
#if defined(TARGET_OSX) && defined(__BIG_ENDIAN__)
convertPixels(offscreenGWorldPixels, pixels.getPixels(), width, height);
#endif
bStarted = false;
bLoaded = true;
bPlaying = false;
bHavePixelsChanged = false;
speed = 1;
return true;
//--------------------------------------
#endif
//--------------------------------------
}
void QTCmpr_CompressSequence (WindowObject theWindowObject)
{
ComponentInstance myComponent = NULL;
GWorldPtr myImageWorld = NULL; // the graphics world we draw the images in
PixMapHandle myPixMap = NULL;
Movie mySrcMovie = NULL;
Track mySrcTrack = NULL;
Movie myDstMovie = NULL;
Track myDstTrack = NULL;
Media myDstMedia = NULL;
Rect myRect;
PicHandle myPicture = NULL;
CGrafPtr mySavedPort = NULL;
GDHandle mySavedDevice = NULL;
SCTemporalSettings myTimeSettings;
SCDataRateSettings myRateSettings;
FSSpec myFile;
Boolean myIsSelected = false;
Boolean myIsReplacing = false;
short myRefNum = -1;
StringPtr myMoviePrompt = QTUtils_ConvertCToPascalString(kQTCSaveMoviePrompt);
StringPtr myMovieFileName = QTUtils_ConvertCToPascalString(kQTCSaveMovieFileName);
MatrixRecord myMatrix;
ImageDescriptionHandle myImageDesc = NULL;
TimeValue myCurMovieTime = 0L;
TimeValue myOrigMovieTime = 0L; // current movie time, when compression is begun
short myFrameNum;
long myFlags = 0L;
long myNumFrames = 0L;
long mySrcMovieDuration = 0L; // duration of source movie
OSErr myErr = noErr;
#if USE_ASYNC_COMPRESSION
ICMCompletionProcRecord myICMComplProcRec;
ICMCompletionProcRecordPtr myICMComplProcPtr = NULL;
OSErr myICMComplProcErr = noErr;
myICMComplProcRec.completionProc = NULL;
myICMComplProcRec.completionRefCon = 0L;
#endif
if (theWindowObject == NULL)
goto bail;
//////////
//
// get the movie and the first video track in the movie
//
//////////
mySrcMovie = (**theWindowObject).fMovie;
if (mySrcMovie == NULL)
goto bail;
mySrcTrack = GetMovieIndTrackType(mySrcMovie, 1, VideoMediaType, movieTrackMediaType);
if (mySrcTrack == NULL)
goto bail;
// stop the movie; we don't want it to be playing while we're (re)compressing it
SetMovieRate(mySrcMovie, (Fixed)0L);
// get the current movie time, when compression is begun; we'll restore this later
myOrigMovieTime = GetMovieTime(mySrcMovie, NULL);
//////////
//
// configure and display the Standard Image Compression dialog box
//
//////////
// open an instance of the Standard Image Compression dialog component
myComponent = OpenDefaultComponent(StandardCompressionType, StandardCompressionSubType);
if (myComponent == NULL)
goto bail;
// turn off "best depth" option in the compression dialog, because all of our
// buffering is done at 32-bits (regardless of the depth of the source data)
//
// a more ambitious approach would be to loop through each of the video sample
// descriptions in each of the video tracks looking for the deepest depth, and
// using that for the best depth; better yet, we could find out which compressors
// were used and set one of those as the default in the compression dialog
SCGetInfo(myComponent, scPreferenceFlagsType, &myFlags);
myFlags &= ~scShowBestDepth;
SCSetInfo(myComponent, scPreferenceFlagsType, &myFlags);
// because we are recompressing a movie that may have a variable frame rate,
// we want to allow the user to leave the frame rate text field blank (in which
// case we can preserve the frame durations of the source movie); if the user
// enters a number, we will resample the movie at a new frame rate; if we don't
// clear this flag, the compression dialog will not allow zero in the frame rate field
//
// NOTE: we could have set this flag above when we cleared the scShowBestDepth flag;
// it is done here for clarity.
SCGetInfo(myComponent, scPreferenceFlagsType, &myFlags);
myFlags |= scAllowZeroFrameRate;
SCSetInfo(myComponent, scPreferenceFlagsType, &myFlags);
// get the number of video frames in the movie
myNumFrames = QTUtils_GetFrameCount(mySrcTrack);
// get the bounding rectangle of the movie, create a 32-bit GWorld with those
// dimensions, and draw the movie poster picture into it; this GWorld will be
// used for the test image in the compression dialog box and for rendering movie
// frames
myPicture = GetMoviePosterPict(mySrcMovie);
if (myPicture == NULL)
goto bail;
GetMovieBox(mySrcMovie, &myRect);
myErr = NewGWorld(&myImageWorld, 32, &myRect, NULL, NULL, 0L);
if (myErr != noErr)
goto bail;
// get the pixmap of the GWorld; we'll lock the pixmap, just to be safe
myPixMap = GetGWorldPixMap(myImageWorld);
if (!LockPixels(myPixMap))
goto bail;
// draw the movie poster image into the GWorld
GetGWorld(&mySavedPort, &mySavedDevice);
SetGWorld(myImageWorld, NULL);
EraseRect(&myRect);
DrawPicture(myPicture, &myRect);
KillPicture(myPicture);
SetGWorld(mySavedPort, mySavedDevice);
// set the picture to be displayed in the dialog box; passing NULL for the rect
// means use the entire image; passing 0 for the flags means to use the default
// system method of displaying the test image, which is currently a combination
// of cropping and scaling; personally, I prefer scaling (your mileage may vary)
SCSetTestImagePixMap(myComponent, myPixMap, NULL, scPreferScaling);
// install the custom procs, if requested
// we can install two kinds of custom procedures for use in connection with
// the standard dialog box: (1) a modal-dialog filter function, and (2) a hook
// function to handle the custom button in the dialog box
if (gUseExtendedProcs)
QTCmpr_InstallExtendedProcs(myComponent, (long)myPixMap);
// set up some default settings for the compression dialog
SCDefaultPixMapSettings(myComponent, myPixMap, true);
// clear out the default frame rate chosen by Standard Compression (a frame rate
// of 0 means to use the rate of the source movie)
myErr = SCGetInfo(myComponent, scTemporalSettingsType, &myTimeSettings);
if (myErr != noErr)
goto bail;
myTimeSettings.frameRate = 0;
SCSetInfo(myComponent, scTemporalSettingsType, &myTimeSettings);
// request image compression settings from the user; in other words, put up the dialog box
myErr = SCRequestSequenceSettings(myComponent);
if (myErr == scUserCancelled)
goto bail;
// get a copy of the temporal settings the user entered; we'll need them for some
// of our calculations (in a simpler application, we'd never have to look at them)
SCGetInfo(myComponent, scTemporalSettingsType, &myTimeSettings);
//////////
//
// adjust the data rate [to be supplied][relevant only for movies that have sound tracks]
//
//////////
//////////
//
// adjust the sample count
//
// if the user wants to resample the frame rate of the movie (as indicated a non-zero
// value in the frame rate field) calculate the number of frames and duration for the new movie
//
//////////
if (myTimeSettings.frameRate != 0) {
long myDuration = GetMovieDuration(mySrcMovie);
long myTimeScale = GetMovieTimeScale(mySrcMovie);
float myFloat = (float)myDuration * myTimeSettings.frameRate;
myNumFrames = myFloat / myTimeScale / 65536;
if (myNumFrames == 0)
myNumFrames = 1;
}
//////////
//
// get the name and location of the new movie file
//
//////////
// prompt the user for a file to put the compressed image into; in theory, the name
// should have a file extension appropriate to the type of compressed data selected by the user;
// this is left as an exercise for the reader
QTFrame_PutFile(myMoviePrompt, myMovieFileName, &myFile, &myIsSelected, &myIsReplacing);
if (!myIsSelected)
goto bail;
// delete any existing file of that name
if (myIsReplacing) {
myErr = DeleteMovieFile(&myFile);
if (myErr != noErr)
goto bail;
}
//////////
//
// create the target movie
//
//////////
myErr = CreateMovieFile(&myFile, sigMoviePlayer, smSystemScript,
createMovieFileDeleteCurFile | createMovieFileDontCreateResFile, &myRefNum, &myDstMovie);
if (myErr != noErr)
goto bail;
// create a new video movie track with the same dimensions as the entire source movie
myDstTrack = NewMovieTrack(myDstMovie,
(long)(myRect.right - myRect.left) << 16,
(long)(myRect.bottom - myRect.top) << 16, kNoVolume);
if (myDstTrack == NULL)
goto bail;
// create a media for the new track with the same time scale as the source movie;
// because the time scales are the same, we don't have to do any time scale conversions.
myDstMedia = NewTrackMedia(myDstTrack, VIDEO_TYPE, GetMovieTimeScale(mySrcMovie), 0, 0);
if (myDstMedia == NULL)
goto bail;
// copy the user data and settings from the source to the dest movie
CopyMovieSettings(mySrcMovie, myDstMovie);
// set movie matrix to identity and clear the movie clip region (because the conversion
// process transforms and composites all video tracks into one untransformed video track)
SetIdentityMatrix(&myMatrix);
SetMovieMatrix(myDstMovie, &myMatrix);
SetMovieClipRgn(myDstMovie, NULL);
// set the movie to highest quality imaging
SetMoviePlayHints(mySrcMovie, hintsHighQuality, hintsHighQuality);
myImageDesc = (ImageDescriptionHandle)NewHandleClear(sizeof(ImageDescription));
if (myImageDesc == NULL)
goto bail;
// prepare for adding frames to the movie
myErr = BeginMediaEdits(myDstMedia);
if (myErr != noErr)
goto bail;
//////////
//
// compress the image sequence
//
// we are going to step through the source movie, compress each frame, and then add
// the compressed frame to the destination movie
//
//////////
myErr = SCCompressSequenceBegin(myComponent, myPixMap, NULL, &myImageDesc);
if (myErr != noErr)
goto bail;
#if USE_ASYNC_COMPRESSION
myFlags = codecFlagUpdatePrevious + codecFlagUpdatePreviousComp + codecFlagLiveGrab;
SCSetInfo(myComponent, scCodecFlagsType, &myFlags);
#endif
// clear out our image GWorld and set movie to draw into it
SetGWorld(myImageWorld, NULL);
EraseRect(&myRect);
SetMovieGWorld(mySrcMovie, myImageWorld, GetGWorldDevice(myImageWorld));
// set current time value to beginning of the source movie
myCurMovieTime = 0;
// get a value we'll need inside the loop
mySrcMovieDuration = GetMovieDuration(mySrcMovie);
// loop through all of the interesting times we counted above
for (myFrameNum = 0; myFrameNum < myNumFrames; myFrameNum++) {
short mySyncFlag;
TimeValue myDuration;
long myDataSize;
Handle myCompressedData;
//////////
//
// get the next frame of the source movie
//
//////////
// if we are resampling the movie, step to the next frame
if (myTimeSettings.frameRate) {
myCurMovieTime = myFrameNum * mySrcMovieDuration / (myNumFrames - 1);
myDuration = mySrcMovieDuration / myNumFrames;
} else {
OSType myMediaType = VIDEO_TYPE;
myFlags = nextTimeMediaSample;
// if this is the first frame, include the frame we are currently on
if (myFrameNum == 0)
myFlags |= nextTimeEdgeOK;
// if we are maintaining the frame durations of the source movie,
// skip to the next interesting time and get the duration for that frame
GetMovieNextInterestingTime(mySrcMovie, myFlags, 1, &myMediaType, myCurMovieTime, 0, &myCurMovieTime, &myDuration);
}
SetMovieTimeValue(mySrcMovie, myCurMovieTime);
MoviesTask(mySrcMovie, 0);
MoviesTask(mySrcMovie, 0);
MoviesTask(mySrcMovie, 0);
// if data rate constraining is being done, tell Standard Compression the
// duration of the current frame in milliseconds; we only need to do this
// if the frames have variable durations
if (!SCGetInfo(myComponent, scDataRateSettingsType, &myRateSettings)) {
myRateSettings.frameDuration = myDuration * 1000 / GetMovieTimeScale(mySrcMovie);
SCSetInfo(myComponent, scDataRateSettingsType, &myRateSettings);
}
//////////
//
// compress the current frame of the source movie and add it to the destination movie
//
//////////
// if SCCompressSequenceFrame completes successfully, myCompressedData will hold
// a handle to the newly-compressed image data and myDataSize will be the size of
// the compressed data (which will usually be different from the size of the handle);
// also mySyncFlag will be a value that that indicates whether or not the frame is a
// key frame (and which we pass directly to AddMediaSample); note that we do not need
// to dispose of myCompressedData, since SCCompressSequenceEnd will do that for us
#if !USE_ASYNC_COMPRESSION
myErr = SCCompressSequenceFrame(myComponent, myPixMap, &myRect, &myCompressedData, &myDataSize, &mySyncFlag);
if (myErr != noErr)
goto bail;
#else
if (myICMComplProcPtr == NULL) {
myICMComplProcRec.completionProc = NewICMCompletionProc(QTCmpr_CompletionProc);
myICMComplProcRec.completionRefCon = (long)&myICMComplProcErr;
myICMComplProcPtr = &myICMComplProcRec;
}
myICMComplProcErr = kAsyncDefaultValue;
myErr = SCCompressSequenceFrameAsync(myComponent, myPixMap, &myRect, &myCompressedData, &myDataSize, &mySyncFlag, myICMComplProcPtr);
if (myErr != noErr)
goto bail;
// spin our wheels while we're waiting for the compress call to complete
while (myICMComplProcErr == kAsyncDefaultValue) {
EventRecord myEvent;
WaitNextEvent(0, &myEvent, 60, NULL);
SCAsyncIdle(myComponent);
}
myErr = myICMComplProcErr;
#endif
myErr = AddMediaSample(myDstMedia, myCompressedData, 0, myDataSize, myDuration, (SampleDescriptionHandle)myImageDesc, 1, mySyncFlag, NULL);
if (myErr != noErr)
goto bail;
}
// close the compression sequence; this will dispose of the image description
// and compressed data handles allocated by SCCompressSequenceBegin
SCCompressSequenceEnd(myComponent);
//////////
//
// add the media data to the destination movie
//
//////////
myErr = EndMediaEdits(myDstMedia);
if (myErr != noErr)
goto bail;
InsertMediaIntoTrack(myDstTrack, 0, 0, GetMediaDuration(myDstMedia), fixed1);
// add the movie resource to the dst movie file.
myErr = AddMovieResource(myDstMovie, myRefNum, NULL, NULL);
if (myErr != noErr)
goto bail;
// flatten the movie data [to be supplied]
// close the movie file
CloseMovieFile(myRefNum);
bail:
// close the Standard Compression component
if (myComponent != NULL)
CloseComponent(myComponent);
if (mySrcMovie != NULL) {
// restore the source movie's original graphics port and device
SetMovieGWorld(mySrcMovie, mySavedPort, mySavedDevice);
// restore the source movie's original movie time
SetMovieTimeValue(mySrcMovie, myOrigMovieTime);
}
// restore the original graphics port and device
SetGWorld(mySavedPort, mySavedDevice);
// delete the GWorld we were drawing frames into
if (myImageWorld != NULL)
DisposeGWorld(myImageWorld);
#if USE_ASYNC_COMPRESSION
if (myICMComplProcRec.completionProc != NULL)
DisposeICMCompletionUPP(myICMComplProcRec.completionProc);
#endif
free(myMoviePrompt);
free(myMovieFileName);
}
