static OSErr SpriteUtils_GetImageGroupID (QTAtomContainer theKeySample, QTAtom theImagesContainerAtom, short theImageIndex, long *theGroupID)
{
QTAtom myImageAtom, myImageGroupAtom;
OSErr myErr = noErr;
myImageAtom = QTFindChildByIndex(theKeySample, theImagesContainerAtom, kSpriteImageAtomType, theImageIndex, NULL);
if (myImageAtom == 0) {
myErr = cannotFindAtomErr;
goto bail;
}
myImageGroupAtom = QTFindChildByIndex(theKeySample, myImageAtom, kSpriteImageGroupIDAtomType, 1, NULL);
if (myImageGroupAtom == 0)
*theGroupID = 0;
else {
myErr = QTCopyAtomDataToPtr(theKeySample, myImageGroupAtom, false, sizeof(*theGroupID), (Ptr)theGroupID, NULL);
if (myErr != noErr)
goto bail;
*theGroupID = EndianU32_BtoN(*theGroupID); // return native endian long
}
bail:
return(myErr);
}
void pix_videoDarwin :: brightnessMess(float X)
{
QTAtomContainer atomContainer;
QTAtom featureAtom;
VDIIDCFeatureSettings settings;
ComponentDescription desc;
ComponentResult result = paramErr;
//check if device is IIDC
GetComponentInfo((Component)m_vdig, &desc, NULL, NULL, NULL);
if (vdSubtypeIIDC != desc.componentSubType){
m_brightness = (unsigned short)(65536. * X);
VDSetBrightness(m_vdig,&m_brightness);
VDGetBrightness(m_vdig,&m_brightness);
post("brightness is %d",m_brightness);
}
else
{
//IIDC stuff
//these things are as stubborn as they are stupid - find one that conforms to spec!
//vdIIDCFeatureBrightness
result = VDIIDCGetFeaturesForSpecifier(m_vdig, vdIIDCFeatureBrightness, &atomContainer);
if (noErr != result) {
error("VDIIDCGetFeaturesForSpecifier returned %d",result);
}
featureAtom = QTFindChildByIndex(atomContainer, kParentAtomIsContainer,
vdIIDCAtomTypeFeature, 1, NULL);
if (0 == featureAtom) error("featureAtom not found");
result = QTCopyAtomDataToPtr(atomContainer,
QTFindChildByID(atomContainer, featureAtom,
vdIIDCAtomTypeFeatureSettings,
vdIIDCAtomIDFeatureSettings, NULL),
true, sizeof(settings), &settings, NULL);
settings.state.flags = (vdIIDCFeatureFlagOn |
vdIIDCFeatureFlagManual |
vdIIDCFeatureFlagRawControl);
settings.state.value = X;
result = QTSetAtomData(atomContainer,
QTFindChildByID(atomContainer, featureAtom,
vdIIDCAtomTypeFeatureSettings,
vdIIDCAtomIDFeatureSettings, NULL),
sizeof(settings), &settings);
result = VDIIDCSetFeatures(m_vdig, atomContainer);
}
}
static OSErr SpriteUtils_GetImageDescription (QTAtomContainer theKeySample, QTAtom theImagesContainerAtom, short theImageIndex, ImageDescriptionHandle theImageDesc)
{
QTAtom myImageAtom, myImageDataAtom;
UInt8 mySaveState;
UInt32 mySize;
OSErr myErr = noErr;
myImageAtom = QTFindChildByIndex(theKeySample, theImagesContainerAtom, kSpriteImageAtomType, theImageIndex, NULL);
if (myImageAtom == 0) {
myErr = cannotFindAtomErr;
goto bail;
}
myImageDataAtom = QTFindChildByIndex(theKeySample, myImageAtom, kSpriteImageDataAtomType, 1, NULL);
if (myImageDataAtom == 0) {
myErr = cannotFindAtomErr;
goto bail;
}
mySaveState = HGetState((Handle)theImageDesc);
HUnlock((Handle)theImageDesc);
// copy the data (ImageDescription followed by image data) to a handle
myErr = QTCopyAtomDataToHandle(theKeySample, myImageDataAtom, (Handle)theImageDesc);
if (myErr != noErr)
goto bail;
mySize = EndianU32_BtoN((**theImageDesc).idSize);
// pull off anything following the image description (& its color table, if any, and any image description extensions)
SetHandleSize((Handle)theImageDesc, mySize);
#if TARGET_RT_LITTLE_ENDIAN
EndianUtils_ImageDescription_BtoN(theImageDesc);
#endif
HSetState((Handle)theImageDesc, mySaveState);
myErr = MemError();
bail:
return(myErr);
}
static OSErr SpriteUtils_SetImageGroupID (QTAtomContainer theKeySample, QTAtom theImagesContainerAtom, short theImageIndex, long theGroupID)
{
QTAtom myImageAtom, myImageGroupAtom;
OSErr myErr = noErr;
myImageAtom = QTFindChildByIndex(theKeySample, theImagesContainerAtom, kSpriteImageAtomType, theImageIndex, NULL);
if (myImageAtom == 0) {
myErr = cannotFindAtomErr;
goto bail;
}
myImageGroupAtom = QTFindChildByIndex(theKeySample, myImageAtom, kSpriteImageGroupIDAtomType, 1, NULL);
if (myImageGroupAtom == 0) {
myErr = QTInsertChild(theKeySample, myImageAtom, kSpriteImageGroupIDAtomType, 1, 1, 0, NULL, &myImageGroupAtom);
if (myErr != noErr)
goto bail;
}
theGroupID = EndianU32_NtoB(theGroupID);
myErr = QTSetAtomData(theKeySample, myImageGroupAtom, sizeof(theGroupID), &theGroupID);
bail:
return(myErr);
}
void pix_videoDarwin :: gainMess(float X)
{
QTAtomContainer atomContainer;
QTAtom featureAtom;
VDIIDCFeatureSettings settings;
ComponentDescription desc;
ComponentResult result = paramErr;
//check if device is IIDC
GetComponentInfo((Component)m_vdig, &desc, NULL, NULL, NULL);
if (vdSubtypeIIDC == desc.componentSubType){
//IIDC stuff
//vdIIDCFeatureGain
result = VDIIDCGetFeaturesForSpecifier(m_vdig, vdIIDCFeatureWhiteBalanceU, &atomContainer);
if (noErr != result) {
error("VDIIDCGetFeaturesForSpecifier vdIIDCFeatureExposure returned %d",result);
}
featureAtom = QTFindChildByIndex(atomContainer, kParentAtomIsContainer,
vdIIDCAtomTypeFeature, 1, NULL);
if (0 == featureAtom) error("featureAtom vdIIDCFeatureExposure not found");
result = QTCopyAtomDataToPtr(atomContainer,
QTFindChildByID(atomContainer, featureAtom,
vdIIDCAtomTypeFeatureSettings,
vdIIDCAtomIDFeatureSettings, NULL),
true, sizeof(settings), &settings, NULL);
settings.state.flags = (vdIIDCFeatureFlagOn |
vdIIDCFeatureFlagManual |
vdIIDCFeatureFlagRawControl);
settings.state.value = X;
result = QTSetAtomData(atomContainer,
QTFindChildByID(atomContainer, featureAtom,
vdIIDCAtomTypeFeatureSettings,
vdIIDCAtomIDFeatureSettings, NULL),
sizeof(settings), &settings);
result = VDIIDCSetFeatures(m_vdig, atomContainer);
}
}
OSErr SpriteUtils_AssignImageGroupIDsToKeyFrame (QTAtomContainer theKeySample)
{
QTAtom myDefaultsAtom, myImagesContainerAtom;
ImageDescriptionHandle myFirstImageDesc = NULL;
ImageDescriptionHandle mySecondImageDesc = NULL;
short myFirstIndex, mySecondIndex, myNumImages;
CodecType myFirstImageType, mySecondImageType;
long myGroupID = 0, myTestID;
OSErr myErr = noErr;
myDefaultsAtom = QTFindChildByIndex(theKeySample, 0, kSpriteSharedDataAtomType, 1, NULL);
if (myDefaultsAtom == 0)
goto bail;
myImagesContainerAtom = QTFindChildByIndex(theKeySample, myDefaultsAtom, kSpriteImagesContainerAtomType, 1, NULL);
if (myImagesContainerAtom == 0)
goto bail;
myFirstImageDesc = (ImageDescriptionHandle)NewHandle(0);
if (myFirstImageDesc == NULL) {
myErr = memFullErr;
goto bail;
}
mySecondImageDesc = (ImageDescriptionHandle)NewHandle(0);
if (mySecondImageDesc == NULL) {
myErr = memFullErr;
goto bail;
}
myNumImages = QTCountChildrenOfType(theKeySample, myImagesContainerAtom, kSpriteImageAtomType);
for (myFirstIndex = 1; myFirstIndex <= myNumImages; myFirstIndex++) {
myErr = SpriteUtils_SetImageGroupID(theKeySample, myImagesContainerAtom, myFirstIndex, 0);
if (myErr != noErr)
goto bail;
}
for (myFirstIndex = 1; myFirstIndex <= (myNumImages - 1); myFirstIndex++) {
myErr = SpriteUtils_GetImageGroupID(theKeySample, myImagesContainerAtom, myFirstIndex, &myTestID);
if (myErr != noErr)
goto bail;
if (myTestID == 0) {
myGroupID++;
myErr = SpriteUtils_SetImageGroupID(theKeySample, myImagesContainerAtom, myFirstIndex, myGroupID);
if (myErr != noErr)
goto bail;
myErr = SpriteUtils_GetImageDescription(theKeySample, myImagesContainerAtom, myFirstIndex, myFirstImageDesc);
myFirstImageType = (**myFirstImageDesc).cType;
if (myErr != noErr)
goto bail;
for (mySecondIndex = (myFirstIndex + 1); mySecondIndex <= myNumImages; mySecondIndex++) {
myErr = SpriteUtils_GetImageGroupID(theKeySample, myImagesContainerAtom, mySecondIndex, &myTestID);
if (myErr != noErr)
goto bail;
if (myTestID == 0) {
myErr = SpriteUtils_GetImageDescription(theKeySample, myImagesContainerAtom, mySecondIndex, mySecondImageDesc);
if (myErr != noErr)
goto bail;
mySecondImageType = (**mySecondImageDesc).cType;
if (myFirstImageType == mySecondImageType) {
ImageSequence mySeqID;
Boolean isEquivalent;
myErr = DecompressSequenceBegin(&mySeqID, myFirstImageDesc, NULL, NULL, NULL, NULL, ditherCopy, (RgnHandle)NULL, 0, codecNormalQuality, anyCodec);
if (myErr != noErr)
goto bail;
CDSequenceEquivalentImageDescription(mySeqID, mySecondImageDesc, &isEquivalent);
CDSequenceEnd(mySeqID);
if (isEquivalent) {
myErr = SpriteUtils_SetImageGroupID(theKeySample, myImagesContainerAtom, mySecondIndex, myGroupID);
if (myErr != noErr)
goto bail;
}
}
}
}
}
}
// assign an ID to the last image
myErr = SpriteUtils_GetImageGroupID(theKeySample, myImagesContainerAtom, myNumImages, &myTestID);
if (myErr != noErr)
goto bail;
if (myTestID == 0) {
myGroupID++;
myErr = SpriteUtils_SetImageGroupID(theKeySample, myImagesContainerAtom, myNumImages, myGroupID);
}
bail:
if (myFirstImageDesc != NULL)
DisposeHandle((Handle)myFirstImageDesc);
if (mySecondImageDesc != NULL)
DisposeHandle((Handle)mySecondImageDesc);
return(myErr);
}
OSErr SpriteUtils_AddCompressedImageToKeyFrameSample (QTAtomContainer theKeySample, ImageDescriptionHandle theImageDesc, long theDataSize, Ptr theCompressedDataPtr, QTAtomID theImageID, FixedPoint *theRegistrationPoint, StringPtr theImageName)
{
Handle myImageData = NULL;
QTAtom myDefaultsAtom, myImagesContainerAtom, myImageAtom;
ImageDescriptionHandle myImageDesc = NULL;
OSErr myErr = noErr;
#if TARGET_RT_LITTLE_ENDIAN
myImageDesc = (ImageDescriptionHandle)NewHandle(GetHandleSize((Handle)theImageDesc));
BlockMoveData(*theImageDesc, *myImageDesc, GetHandleSize((Handle)theImageDesc));
EndianUtils_ImageDescription_NtoB(myImageDesc);
#else
myImageDesc = theImageDesc; // already is big endian
#endif
// append compressed picture data to myImageDesc to obtain sprite image data
myImageData = NewHandle(0);
myErr = MemError();
if (myErr != noErr)
goto bail;
myErr = HandAndHand((Handle)myImageDesc, myImageData);
if (myErr != noErr)
goto bail;
myErr = PtrAndHand(theCompressedDataPtr, myImageData, theDataSize);
if (myErr != noErr)
goto bail;
myDefaultsAtom = QTFindChildByIndex(theKeySample, 0, kSpriteSharedDataAtomType, 1, NULL);
if (myDefaultsAtom == 0) {
myErr = QTInsertChild(theKeySample, kParentAtomIsContainer, kSpriteSharedDataAtomType, 1, 0, 0, NULL, &myDefaultsAtom);
if (myErr != noErr)
goto bail;
}
myImagesContainerAtom = QTFindChildByIndex(theKeySample, myDefaultsAtom, kSpriteImagesContainerAtomType, 1, NULL);
if (myImagesContainerAtom == 0) {
myErr = QTInsertChild(theKeySample, myDefaultsAtom, kSpriteImagesContainerAtomType, 1, 0, 0, NULL, &myImagesContainerAtom);
if (myErr != noErr)
goto bail;
}
myErr = QTInsertChild(theKeySample, myImagesContainerAtom, kSpriteImageAtomType, theImageID, 0, 0, NULL, &myImageAtom);
if (myErr != noErr)
goto bail;
HLock(myImageData);
myErr = QTInsertChild(theKeySample, myImageAtom, kSpriteImageDataAtomType, 1, 0, GetHandleSize(myImageData), *myImageData, NULL);
if (myErr != noErr)
goto bail;
HUnlock(myImageData);
if (theRegistrationPoint != NULL) {
FixedPoint myRegistrationPoint;
myRegistrationPoint.x = EndianS32_NtoB(theRegistrationPoint->x);
myRegistrationPoint.y = EndianS32_NtoB(theRegistrationPoint->y);
myErr = QTInsertChild(theKeySample, myImageAtom, kSpriteImageRegistrationAtomType, 1, 0, sizeof(myRegistrationPoint), &myRegistrationPoint, NULL);
if (myErr != noErr)
goto bail;
} else {
FixedPoint myRegistrationPoint = { 0, 0 }; // flipping {0,0} doesn't change anything so we don't flip
myErr = QTInsertChild(theKeySample, myImageAtom, kSpriteImageRegistrationAtomType, 1, 0, sizeof(myRegistrationPoint), &myRegistrationPoint, NULL);
if (myErr != noErr)
goto bail;
}
if (theImageName != NULL) {
myErr = QTInsertChild(theKeySample, myImageAtom, kSpriteImageNameAtomType, 1, 0, theImageName[0], &theImageName[1], NULL);
if (myErr != noErr)
goto bail;
}
bail:
#if TARGET_RT_LITTLE_ENDIAN
if (myImageDesc != NULL)
DisposeHandle((Handle)myImageDesc);
#else
// myImageDesc is still theImageDesc, so don't dispose of it
#endif
if (myImageData != NULL)
DisposeHandle(myImageData);
return(myErr);
}
OSErr SpriteUtils_SetSpriteData (QTAtomContainer theSprite, Point *theLocation, short *theVisible, short *theLayer, short *theImageIndex, ModifierTrackGraphicsModeRecord *theGraphicsMode, StringPtr theSpriteName, QTAtomContainer theActionAtoms)
{
QTAtom myPropertyAtom;
OSErr myErr = noErr;
if (theSprite == NULL)
return(paramErr);
// set the sprite location data
if (theLocation != NULL) {
MatrixRecord myMatrix;
SetIdentityMatrix(&myMatrix);
myMatrix.matrix[2][0] = ((long)theLocation->h << 16);
myMatrix.matrix[2][1] = ((long)theLocation->v << 16);
EndianUtils_MatrixRecord_NtoB(&myMatrix);
myPropertyAtom = QTFindChildByIndex(theSprite, kParentAtomIsContainer, kSpritePropertyMatrix, 1, NULL);
if (myPropertyAtom == 0)
myErr = QTInsertChild(theSprite, kParentAtomIsContainer, kSpritePropertyMatrix, 1, 0, sizeof(MatrixRecord), &myMatrix, NULL);
else
myErr = QTSetAtomData(theSprite, myPropertyAtom, sizeof(MatrixRecord), &myMatrix);
if (myErr != noErr)
goto bail;
}
// set the sprite visibility state
if (theVisible != NULL) {
short myVisible = *theVisible;
myVisible = EndianS16_NtoB(myVisible);
myPropertyAtom = QTFindChildByIndex(theSprite, kParentAtomIsContainer, kSpritePropertyVisible, 1, NULL);
if (myPropertyAtom == 0)
myErr = QTInsertChild(theSprite, kParentAtomIsContainer, kSpritePropertyVisible, 1, 0, sizeof(short), &myVisible, NULL);
else
myErr = QTSetAtomData(theSprite, myPropertyAtom, sizeof(short), &myVisible);
if (myErr != noErr)
goto bail;
}
// set the sprite layer
if (theLayer != NULL) {
short myLayer = *theLayer;
myLayer = EndianS16_NtoB(myLayer);
myPropertyAtom = QTFindChildByIndex(theSprite, 0, kSpritePropertyLayer, 1, NULL);
if (myPropertyAtom == 0)
myErr = QTInsertChild(theSprite, 0, kSpritePropertyLayer, 1, 0, sizeof(short), &myLayer, NULL);
else
myErr = QTSetAtomData(theSprite, myPropertyAtom, sizeof(short), &myLayer);
if (myErr != noErr)
goto bail;
}
// set the sprite image index
if (theImageIndex != NULL) {
short myImageIndex = *theImageIndex;
myImageIndex = EndianS16_NtoB(myImageIndex);
myPropertyAtom = QTFindChildByIndex(theSprite, kParentAtomIsContainer, kSpritePropertyImageIndex, 1, NULL);
if (myPropertyAtom == 0)
myErr = QTInsertChild(theSprite, kParentAtomIsContainer, kSpritePropertyImageIndex, 1, 0, sizeof(short), &myImageIndex, NULL);
else
myErr = QTSetAtomData(theSprite, myPropertyAtom, sizeof(short), &myImageIndex);
if (myErr != noErr)
goto bail;
}
// set the sprite graphics mode
if (theGraphicsMode != NULL) {
ModifierTrackGraphicsModeRecord myGraphicsMode;
myGraphicsMode.graphicsMode = EndianU32_NtoB(theGraphicsMode->graphicsMode);
myGraphicsMode.opColor.red = EndianU16_NtoB(theGraphicsMode->opColor.red);
myGraphicsMode.opColor.green = EndianU16_NtoB(theGraphicsMode->opColor.green);
myGraphicsMode.opColor.blue = EndianU16_NtoB(theGraphicsMode->opColor.blue);
myPropertyAtom = QTFindChildByIndex(theSprite, kParentAtomIsContainer, kSpritePropertyGraphicsMode, 1, NULL);
if (myPropertyAtom == 0)
myErr = QTInsertChild(theSprite, kParentAtomIsContainer, kSpritePropertyGraphicsMode, 1, 0, sizeof(myGraphicsMode), &myGraphicsMode, NULL);
else
myErr = QTSetAtomData(theSprite, myPropertyAtom, sizeof(myGraphicsMode), &myGraphicsMode);
if (myErr != noErr)
goto bail;
}
// set the sprite name
if (theSpriteName != NULL) {
QTAtom mySpriteNameAtom;
mySpriteNameAtom = QTFindChildByIndex(theSprite, kParentAtomIsContainer, kSpriteNameAtomType, 1, NULL);
if (mySpriteNameAtom == 0)
myErr = QTInsertChild(theSprite, kParentAtomIsContainer, kSpriteNameAtomType, 1, 0, theSpriteName[0] + 1, theSpriteName, NULL);
else
myErr = QTSetAtomData(theSprite, mySpriteNameAtom, theSpriteName[0] + 1, theSpriteName);
if (myErr != noErr)
goto bail;
}
// set the action atoms
if (theActionAtoms != NULL)
myErr = QTInsertChildren(theSprite, kParentAtomIsContainer, theActionAtoms);
bail:
if ((myErr != noErr) && (theSprite != NULL))
QTRemoveChildren(theSprite, 0);
return(myErr);
}
void QTEffects_RespondToDialogSelection (OSErr theErr)
{
Boolean myDialogWasCancelled = false;
short myResID = movieInDataForkResID;
UInt16 myMovieIter;
short mySrcMovieRefNum = 0;
Movie myPrevSrcMovie = NULL;
Track myPrevSrcTrack = NULL;
Movie myNextSrcMovie = NULL;
Track myNextSrcTrack = NULL;
short myDestMovieRefNum = 0;
FSSpec myFile;
Boolean myIsSelected = false;
Boolean myIsReplacing = false;
StringPtr myPrompt = QTUtils_ConvertCToPascalString(kEffectsSaveMoviePrompt);
StringPtr myFileName = QTUtils_ConvertCToPascalString(kEffectsSaveMovieFileName);
Movie myDestMovie = NULL;
Fixed myDestMovieWidth, myDestMovieHeight;
ImageDescriptionHandle myDesc = NULL;
Track videoTrackFX, videoTrackA, videoTrackB;
Media videoMediaFX, videoMediaA, videoMediaB;
TimeValue myCurrentDuration = 0;
TimeValue myReturnedDuration;
Boolean isFirstTransition = true;
TimeValue myMediaTransitionDuration;
TimeValue myMediaFXStartTime, myMediaFXDuration;
OSType myEffectCode;
long myFlags = createMovieFileDeleteCurFile | createMovieFileDontCreateResFile;
long myLong;
OSErr myErr = noErr;
// standard parameter box has been dismissed, so remember that fact
gEffectsDialog = 0L;
myDialogWasCancelled = (theErr == userCanceledErr);
// we're finished with the effect list and movie posters
QTDisposeAtomContainer(gEffectList);
if (gPosterA != NULL)
KillPicture(gPosterA);
if (gPosterB != NULL)
KillPicture(gPosterB);
// when the sign says stop, then stop
if (myDialogWasCancelled)
goto bail;
// add atoms naming the sources to gEffectSample
myLong = EndianU32_NtoB(kSourceOneName);
QTInsertChild(gEffectSample, kParentAtomIsContainer, kEffectSourceName, 1, 0, sizeof(myLong), &myLong, NULL);
myLong = EndianU32_NtoB(kSourceTwoName);
QTInsertChild(gEffectSample, kParentAtomIsContainer, kEffectSourceName, 2, 0, sizeof(myLong), &myLong, NULL);
// extract the 'what' atom to find out what kind of effect it is
{
QTAtom myEffectAtom;
QTAtomID myEffectAtomID;
long myEffectCodeSize;
Ptr myEffectCodePtr;
myEffectAtom = QTFindChildByIndex(gEffectSample, kParentAtomIsContainer, kParameterWhatName, kParameterWhatID, &myEffectAtomID);
myErr = QTLockContainer(gEffectSample);
BailError(myErr);
myErr = QTGetAtomDataPtr(gEffectSample, myEffectAtom, &myEffectCodeSize, &myEffectCodePtr);
BailError(myErr);
if (myEffectCodeSize != sizeof(OSType)) {
myErr = paramErr;
goto bail;
}
myEffectCode = *(OSType *)myEffectCodePtr; // "tsk"
myEffectCode = EndianU32_BtoN(myEffectCode); // because the data is read from an atom container
myErr = QTUnlockContainer(gEffectSample);
BailError(myErr);
}
// ask the user for the name of the new movie file
QTFrame_PutFile(myPrompt, myFileName, &myFile, &myIsSelected, &myIsReplacing);
if (!myIsSelected)
goto bail; // deal with user cancelling
// create a movie file for the destination movie
myErr = CreateMovieFile(&myFile, FOUR_CHAR_CODE('TVOD'), 0, myFlags, &myDestMovieRefNum, &myDestMovie);
BailError(myErr);
// open the first file as a movie; call the first movie myPrevSrcMovie
myErr = OpenMovieFile(&gSpecList[0], &mySrcMovieRefNum, fsRdPerm);
BailError(myErr);
myErr = NewMovieFromFile(&myPrevSrcMovie, mySrcMovieRefNum, NULL, NULL, 0, NULL);
BailError(myErr);
myErr = CloseMovieFile(mySrcMovieRefNum);
BailError(myErr);
// if the movie is shorter than kMinimumDuration, scale it to that length
SetMovieTimeScale(myPrevSrcMovie, kTimeScale);
myErr = QTEffects_GetFirstVideoTrackInMovie(myPrevSrcMovie, &myPrevSrcTrack);
BailNil(myPrevSrcTrack);
if (GetTrackDuration(myPrevSrcTrack) < kMinimumDuration) {
myErr = ScaleTrackSegment(myPrevSrcTrack, 0, GetTrackDuration(myPrevSrcTrack), kMinimumDuration);
BailError(myErr);
}
// find out how big the first movie is; we'll use it as the size of all our tracks
GetTrackDimensions(myPrevSrcTrack, &myDestMovieWidth, &myDestMovieHeight);
#if USES_MAKE_IMAGE_DESC_FOR_EFFECT
// create a new sample description for the effect,
// which is just an image description specifying the effect and its dimensions
myErr = MakeImageDescriptionForEffect(myEffectCode, &myDesc);
if (myErr != noErr)
BailError(myErr);
#else
// create a new sample description for the effect,
// which is just an image description specifying the effect and its dimensions
myDesc = (ImageDescriptionHandle)NewHandleClear(sizeof(ImageDescription));
BailNil(myDesc);
(**myDesc).idSize = sizeof(ImageDescription);
(**myDesc).cType = myEffectCode;
(**myDesc).hRes = 72L << 16;
(**myDesc).vRes = 72L << 16;
(**myDesc).dataSize = 0L;
(**myDesc).frameCount = 1;
(**myDesc).depth = 0;
(**myDesc).clutID = -1;
#endif
// fill in the fields of the sample description
(**myDesc).vendor = kAppleManufacturer;
(**myDesc).temporalQuality = codecNormalQuality;
(**myDesc).spatialQuality = codecNormalQuality;
(**myDesc).width = FixRound(myDestMovieWidth);
(**myDesc).height = FixRound(myDestMovieHeight);
// add three video tracks to the destination movie:
// - videoTrackFX is where the effects and stills live; it's user-visible.
// - videoTrackA is where the "source A"s for effects live; it's hidden by the input map
// - videoTrackB is where the "source B"s for effects live; it's hidden by the input map
videoTrackFX = NewMovieTrack(myDestMovie, myDestMovieWidth, myDestMovieHeight, 0);
BailNil(videoTrackFX);
videoMediaFX = NewTrackMedia(videoTrackFX, VideoMediaType, kTimeScale, NULL, 0);
BailNil(videoMediaFX);
myErr = BeginMediaEdits(videoMediaFX);
BailError(myErr);
videoTrackA = NewMovieTrack(myDestMovie, myDestMovieWidth, myDestMovieHeight, 0);
BailNil(videoTrackA);
videoMediaA = NewTrackMedia(videoTrackA, VideoMediaType, kTimeScale, NULL, 0);
BailNil(videoMediaA);
videoTrackB = NewMovieTrack(myDestMovie, myDestMovieWidth, myDestMovieHeight, 0);
BailNil(videoTrackB);
videoMediaB = NewTrackMedia(videoTrackB, VideoMediaType, kTimeScale, NULL, 0);
BailNil(videoMediaB);
// create the input map
{
long myRefIndex1, myRefIndex2;
QTAtomContainer myInputMap;
QTAtom myInputAtom;
OSType myInputType;
QTNewAtomContainer(&myInputMap);
// first input
if (videoTrackA) {
AddTrackReference(videoTrackFX, videoTrackA, kTrackModifierReference, &myRefIndex1);
QTInsertChild(myInputMap, kParentAtomIsContainer, kTrackModifierInput, myRefIndex1, 0, 0, NULL, &myInputAtom);
myInputType = EndianU32_NtoB(kTrackModifierTypeImage);
QTInsertChild(myInputMap, myInputAtom, kTrackModifierType, 1, 0, sizeof(myInputType), &myInputType, NULL);
myLong = EndianU32_NtoB(kSourceOneName);
QTInsertChild(myInputMap, myInputAtom, kEffectDataSourceType, 1, 0, sizeof(myLong), &myLong, NULL);
}
// second input
if (videoTrackB) {
AddTrackReference(videoTrackFX, videoTrackB, kTrackModifierReference, &myRefIndex2);
QTInsertChild(myInputMap, kParentAtomIsContainer, kTrackModifierInput, myRefIndex2, 0, 0, NULL, &myInputAtom);
myInputType = EndianU32_NtoB(kTrackModifierTypeImage);
QTInsertChild(myInputMap, myInputAtom, kTrackModifierType, 1, 0, sizeof(myInputType), &myInputType, NULL);
myLong = EndianU32_NtoB(kSourceTwoName);
QTInsertChild(myInputMap, myInputAtom, kEffectDataSourceType, 1, 0, sizeof(myLong), &myLong, NULL);
}
// set that map
SetMediaInputMap(GetTrackMedia(videoTrackFX), myInputMap);
QTDisposeAtomContainer(myInputMap);
}
myCurrentDuration = 0;
#if MAKE_STILL_SECTIONS
// copy the first sample of the first video track of the first movie to videoTrackFX, with duration kStillDuration.
myErr = CopyPortionOfTrackToTrack(myPrevSrcTrack, eStartPortion + eMiddlePortion, videoTrackFX, myCurrentDuration, &myReturnedDuration);
BailError(myErr);
myCurrentDuration += myReturnedDuration;
#endif
// now process any remaining files
myMovieIter = 1;
while (myMovieIter < gSpecCount) {
// open the next file as a movie; call it nextSourceMovie
myErr = OpenMovieFile(&gSpecList[myMovieIter], &mySrcMovieRefNum, fsRdPerm);
BailError(myErr);
myErr = NewMovieFromFile(&myNextSrcMovie, mySrcMovieRefNum, NULL, NULL, 0, NULL);
BailError(myErr);
// we're done with the movie file, so close it
myErr = CloseMovieFile(mySrcMovieRefNum);
BailError(myErr);
// if the movie is shorter than kMinimumDuration, scale it to that length
SetMovieTimeScale(myNextSrcMovie, kTimeScale);
myErr = QTEffects_GetFirstVideoTrackInMovie(myNextSrcMovie, &myNextSrcTrack);
BailNil(myNextSrcTrack);
if (GetTrackDuration(myNextSrcTrack) < kMinimumDuration) {
myErr = ScaleTrackSegment(myNextSrcTrack, 0, GetTrackDuration(myNextSrcTrack), kMinimumDuration);
BailError(myErr);
}
// create a transition effect from the previous source movie's first video sample to the next source movie's first video sample
// (the effect should have duration kEffectDuration);
// this involves adding one sample to each of the three video tracks:
// sample from previous source movie -> videoTrackA
myErr = QTEffects_CopyPortionOfTrackToTrack(myPrevSrcTrack, eFinishPortion, videoTrackA, myCurrentDuration, &myReturnedDuration);
BailError(myErr);
// sample from next source movie -> videoTrackB
myErr = QTEffects_CopyPortionOfTrackToTrack(myNextSrcTrack, eStartPortion, videoTrackB, myCurrentDuration, &myReturnedDuration);
BailError(myErr);
// effect sample -> videoTrackFX
if (isFirstTransition) {
myMediaTransitionDuration = myReturnedDuration;
myMediaFXStartTime = GetMediaDuration(videoMediaFX);
myErr = AddMediaSample(videoMediaFX, gEffectSample, 0, GetHandleSize(gEffectSample), myMediaTransitionDuration, (SampleDescriptionHandle)myDesc, 1, 0, NULL);
BailError(myErr);
myMediaFXDuration = GetMediaDuration(videoMediaFX) - myMediaFXStartTime;
isFirstTransition = false;
}
myErr = InsertMediaIntoTrack(videoTrackFX, myCurrentDuration, myMediaFXStartTime, myMediaFXDuration, FixRatio(myReturnedDuration, myMediaTransitionDuration));
BailError(myErr);
myCurrentDuration += myReturnedDuration;
#if MAKE_STILL_SECTIONS
// copy the first video sample of myNextSrcMovie to videoTrackFX, with duration kStillDuration.
myErr = QTEffects_CopyPortionOfTrackToTrack(myNextSrcTrack, eMiddlePortion + (myMovieIter + 1 == theSpecCount) ? eFinishPortion : 0, videoTrackFX, myCurrentDuration, &myReturnedDuration);
BailError(myErr);
myCurrentDuration += myReturnedDuration;
#endif // MAKE_STILL_SECTIONS
// dispose of previous source movie.
DisposeMovie(myPrevSrcMovie);
myPrevSrcMovie = myNextSrcMovie;
myPrevSrcTrack = myNextSrcTrack;
myNextSrcMovie = NULL;
myNextSrcTrack = NULL;
myMovieIter++;
} // while
myErr = EndMediaEdits(videoMediaFX);
BailError(myErr);
myErr = AddMovieResource(myDestMovie, myDestMovieRefNum, &myResID, "\pMovie 1");
BailError(myErr);
CloseMovieFile(myDestMovieRefNum);
if (myPrevSrcMovie != NULL)
DisposeMovie(myPrevSrcMovie);
DisposeMovie(myDestMovie);
bail:
free(myPrompt);
free(myFileName);
QTDisposeAtomContainer(gEffectSample);
DisposeHandle((Handle)myDesc);
return;
}