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;
}
static HRESULT QT_Process_Video_Track(QTSplitter* filter, Track trk)
{
AM_MEDIA_TYPE amt;
VIDEOINFOHEADER * pvi;
PIN_INFO piOutput;
HRESULT hr = S_OK;
OSErr err;
static const WCHAR szwVideoOut[] = {'V','i','d','e','o',0};
CFMutableDictionaryRef pixelBufferOptions = NULL;
CFMutableDictionaryRef visualContextOptions = NULL;
CFNumberRef n = NULL;
int t;
DWORD outputWidth, outputHeight, outputDepth;
Fixed trackWidth, trackHeight;
Media videoMedia;
long sampleCount;
TimeValue64 duration;
TimeScale timeScale;
ZeroMemory(&amt, sizeof(amt));
amt.formattype = FORMAT_VideoInfo;
amt.majortype = MEDIATYPE_Video;
amt.subtype = MEDIASUBTYPE_RGB24;
GetTrackDimensions(trk, &trackWidth, &trackHeight);
outputDepth = 3;
outputWidth = Fix2Long(trackWidth);
outputHeight = Fix2Long(trackHeight);
TRACE("Width %i Height %i\n",outputWidth, outputHeight);
amt.cbFormat = sizeof(VIDEOINFOHEADER);
amt.pbFormat = CoTaskMemAlloc(amt.cbFormat);
ZeroMemory(amt.pbFormat, amt.cbFormat);
pvi = (VIDEOINFOHEADER *)amt.pbFormat;
pvi->bmiHeader.biSize = sizeof (BITMAPINFOHEADER);
pvi->bmiHeader.biWidth = outputWidth;
pvi->bmiHeader.biHeight = outputHeight;
pvi->bmiHeader.biPlanes = 1;
pvi->bmiHeader.biBitCount = 24;
pvi->bmiHeader.biCompression = BI_RGB;
pvi->bmiHeader.biSizeImage = outputWidth * outputHeight * outputDepth;
filter->outputSize = pvi->bmiHeader.biSizeImage;
amt.lSampleSize = 0;
pixelBufferOptions = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
t = k32ARGBPixelFormat;
n = CFNumberCreate(NULL, kCFNumberIntType, &t);
CFDictionaryAddValue(pixelBufferOptions, kCVPixelBufferPixelFormatTypeKey, n);
CFRelease(n);
n = CFNumberCreate(NULL, kCFNumberIntType, &outputWidth);
CFDictionaryAddValue(pixelBufferOptions, kCVPixelBufferWidthKey, n);
CFRelease(n);
n = CFNumberCreate(NULL, kCFNumberIntType, &outputHeight);
CFDictionaryAddValue(pixelBufferOptions, kCVPixelBufferHeightKey, n);
CFRelease(n);
t = 16;
n = CFNumberCreate(NULL, kCFNumberIntType, &t);
CFDictionaryAddValue(pixelBufferOptions, kCVPixelBufferBytesPerRowAlignmentKey, n);
CFRelease(n);
visualContextOptions = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
CFDictionarySetValue(visualContextOptions, kQTVisualContextPixelBufferAttributesKey, pixelBufferOptions);
err = QTPixelBufferContextCreate(NULL, visualContextOptions,&filter->vContext);
CFRelease(pixelBufferOptions);
CFRelease(visualContextOptions);
if (err != noErr)
{
ERR("Failed to create Visual Context\n");
return E_FAIL;
}
err = SetMovieVisualContext(filter->pQTMovie, filter->vContext);
if (err != noErr)
{
ERR("Failed to set Visual Context\n");
return E_FAIL;
}
videoMedia = GetTrackMedia(trk);
sampleCount = GetMediaSampleCount(videoMedia);
timeScale = GetMediaTimeScale(videoMedia);
duration = GetMediaDisplayDuration(videoMedia);
pvi->AvgTimePerFrame = (100000.0 * sampleCount * timeScale) / duration;
piOutput.dir = PINDIR_OUTPUT;
piOutput.pFilter = &filter->filter.IBaseFilter_iface;
lstrcpyW(piOutput.achName,szwVideoOut);
hr = QT_AddPin(filter, &piOutput, &amt, TRUE);
if (FAILED(hr))
ERR("Failed to add Video Track\n");
else
TRACE("Video Pin %p\n",filter->pVideo_Pin);
return hr;
}
OSErr QTDR_CreateReferenceCopy (Movie theSrcMovie, FSSpecPtr theDstMovieFile, FSSpecPtr theDstMediaFile)
{
Track mySrcTrack = NULL;
Media mySrcMedia = NULL;
Movie myDstMovie = NULL;
Track myDstTrack = NULL;
Media myDstMedia = NULL;
Handle myMediaRef = NULL; // data reference for the media file
#if !USE_ADDEMPTYTRACKTOMOVIE
Fixed myWidth, myHeight;
OSType myType;
#endif
long myFlags = createMovieFileDeleteCurFile | createMovieFileDontCreateResFile;
short myResRefNum = 0;
short myResID = movieInDataForkResID;
OSErr myErr = paramErr;
// get the first video track and media in the source movie
mySrcTrack = GetMovieIndTrackType(theSrcMovie, 1, VideoMediaType, movieTrackMediaType);
if (mySrcTrack == NULL)
goto bail;
mySrcMedia = GetTrackMedia(mySrcTrack);
if (mySrcMedia == NULL)
goto bail;
// create a file data reference for the new media file
myMediaRef = QTDR_MakeFileDataRef(theDstMediaFile);
if (myMediaRef == NULL)
goto bail;
// create a file for the destination movie data
myErr = FSpCreate(theDstMediaFile, sigMoviePlayer, MovieFileType, 0);
if (myErr != noErr)
goto bail;
// create a file for the destination movie atom and create an empty movie
myErr = CreateMovieFile(theDstMovieFile, sigMoviePlayer, smCurrentScript, myFlags, &myResRefNum, &myDstMovie);
if (myErr != noErr)
goto bail;
// assign the default progress proc to the destination movie
SetMovieProgressProc(myDstMovie, (MovieProgressUPP)-1, 0);
#if USE_ADDEMPTYTRACKTOMOVIE
myErr = AddEmptyTrackToMovie(mySrcTrack, myDstMovie, myMediaRef, rAliasType, &myDstTrack);
if (myErr != noErr)
goto bail;
myDstMedia = GetTrackMedia(myDstTrack);
myErr = GetMoviesError();
if (myErr != noErr)
goto bail;
#else
// get some information about the source track and media
GetTrackDimensions(mySrcTrack, &myWidth, &myHeight);
GetMediaHandlerDescription(mySrcMedia, &myType, 0, 0);
// create the destination movie track and media
myDstTrack = NewMovieTrack(myDstMovie, myWidth, myHeight, kNoVolume);
myErr = GetMoviesError();
if (myErr != noErr)
goto bail;
myDstMedia = NewTrackMedia(myDstTrack, myType, GetMediaTimeScale(mySrcMedia), myMediaRef, rAliasType);
myErr = GetMoviesError();
if (myErr != noErr)
goto bail;
CopyTrackSettings(mySrcTrack, myDstTrack);
#endif
// copy the entire source track into the destination track; this copies the track's media
// samples into the destination media file
myErr = BeginMediaEdits(myDstMedia);
if (myErr != noErr)
goto bail;
myErr = InsertTrackSegment(mySrcTrack, myDstTrack, 0, GetTrackDuration(mySrcTrack), 0);
if (myErr != noErr)
goto bail;
myErr = EndMediaEdits(myDstMedia);
if (myErr != noErr)
goto bail;
// add the movie atom to the data fork of the movie file
myErr = AddMovieResource(myDstMovie, myResRefNum, &myResID, NULL);
bail:
return(myErr);
}
