void ofQtVideoSaver::addAudioTrack(string audioPath)
{
if(audioPath == "")
return;
OSErr err;
Handle dataRef = NULL;
FSSpec fileSpec;
short audioMovieRefNum = 0;
short audioMovieResId = 0;
Movie audioMovie = NULL;
Track audioCopyTrack = NULL;
Media audioCopyMedia = NULL;
Track destTrack = NULL;
Media destMedia = NULL;
destTrack = NewMovieTrack (movie, 0, 0, kFullVolume);
destMedia = NewTrackMedia (destTrack, SoundMediaType,
30. * 100, /* Video Time Scale */
nil, 0);
err = BeginMediaEdits (destMedia);
char * p = new char[audioPath.length()+1];
strcpy(p, audioPath.c_str());
NativePathNameToFSSpec(p, &fileSpec, 0L);
err = OpenMovieFile(&fileSpec, &audioMovieRefNum, fsRdPerm);
err = NewMovieFromFile(&audioMovie, audioMovieRefNum, &audioMovieResId, NULL, newMovieActive, NULL);
err = CloseMovieFile(audioMovieRefNum);
SetMovieTimeScale(audioMovie, 30.*100);
audioCopyTrack = GetMovieTrack(audioMovie, 1);
audioCopyMedia = GetTrackMedia(audioCopyTrack);
long duration = GetMovieDuration(audioMovie);
err = AddEmptyTrackToMovie (audioCopyTrack, movie, nil, nil, &destTrack);
err = InsertTrackSegment(audioCopyTrack, destTrack, 0, duration, 0);
err = EndMediaEdits(destMedia);
}
int get_qtcodec_settings(RenderData *rd, ReportList *reports)
{
OSErr err = noErr;
/* erase any existing codecsetting */
if (qtdata) {
if (qtdata->theComponent) CloseComponent(qtdata->theComponent);
free_qtcomponentdata();
}
/* allocate new */
qtdata = MEM_callocN(sizeof(QuicktimeComponentData), "QuicktimeComponentData");
qtdata->theComponent = OpenDefaultComponent(StandardCompressionType, StandardCompressionSubType);
/* get previous selected codecsetting, from qtatom or detailed settings */
if (rd->qtcodecdata && rd->qtcodecdata->cdParms) {
QT_GetCodecSettingsFromScene(rd, reports);
}
else {
SCGetInfo(qtdata->theComponent, scDataRateSettingsType, &qtdata->aDataRateSetting);
SCGetInfo(qtdata->theComponent, scSpatialSettingsType, &qtdata->gSpatialSettings);
SCGetInfo(qtdata->theComponent, scTemporalSettingsType, &qtdata->gTemporalSettings);
qtdata->gSpatialSettings.codecType = rd->qtcodecsettings.codecType;
qtdata->gSpatialSettings.codec = (CodecComponent)rd->qtcodecsettings.codec;
qtdata->gSpatialSettings.spatialQuality = (rd->qtcodecsettings.codecSpatialQuality * codecLosslessQuality) / 100;
qtdata->gTemporalSettings.temporalQuality = (rd->qtcodecsettings.codecTemporalQuality * codecLosslessQuality) / 100;
qtdata->gTemporalSettings.keyFrameRate = rd->qtcodecsettings.keyFrameRate;
qtdata->aDataRateSetting.dataRate = rd->qtcodecsettings.bitRate;
qtdata->gSpatialSettings.depth = rd->qtcodecsettings.colorDepth;
qtdata->aDataRateSetting.minSpatialQuality = (rd->qtcodecsettings.minSpatialQuality * codecLosslessQuality) / 100;
qtdata->aDataRateSetting.minTemporalQuality = (rd->qtcodecsettings.minTemporalQuality * codecLosslessQuality) / 100;
qtdata->aDataRateSetting.frameDuration = rd->frs_sec;
SetMovieTimeScale(qtexport->theMovie, rd->frs_sec_base * 1000);
err = SCSetInfo(qtdata->theComponent, scTemporalSettingsType, &qtdata->gTemporalSettings);
CheckError(err, "SCSetInfo1 error", reports);
err = SCSetInfo(qtdata->theComponent, scSpatialSettingsType, &qtdata->gSpatialSettings);
CheckError(err, "SCSetInfo2 error", reports);
err = SCSetInfo(qtdata->theComponent, scDataRateSettingsType, &qtdata->aDataRateSetting);
CheckError(err, "SCSetInfo3 error", reports);
}
check_renderbutton_framerate(rd, reports);
return err;
}
void ofxQtVideoSaver::addAudioTrack(string audioPath)
{
OSErr err;
Handle dataRef = NULL;
FSSpec fileSpec;
short audioMovieRefNum = 0;
short audioMovieResId = 0;
Movie audioMovie = NULL;
Track audioCopyTrack = NULL;
Media audioCopyMedia = NULL;
Track destTrack = NULL;
Media destMedia = NULL;
destTrack = NewMovieTrack (movie, 0, 0, kFullVolume);
destMedia = NewTrackMedia (destTrack, SoundMediaType,
(TimeScale) (30.f * 100), /* Video Time Scale */
nil, 0);
err = BeginMediaEdits (destMedia);
char * p = new char[audioPath.length()+1];
strcpy(p, audioPath.c_str());
#ifdef TARGET_WIN32
NativePathNameToFSSpec(p, &fileSpec, 0L);
#endif
#ifdef TARGET_OSX
Boolean isdir;
FSPathMakeRef((const UInt8*)p, &fsref, &isdir);
FSGetCatalogInfo(&fsref, kFSCatInfoNone, NULL, NULL, &fileSpec, NULL);
#endif
err = OpenMovieFile(&fileSpec, &audioMovieRefNum, fsRdPerm);
err = NewMovieFromFile(&audioMovie, audioMovieRefNum, &audioMovieResId, NULL, newMovieActive, NULL);
err = CloseMovieFile(audioMovieRefNum);
SetMovieTimeScale(audioMovie, (TimeScale) (30.*100));
audioCopyTrack = GetMovieTrack(audioMovie, 1);
audioCopyMedia = GetTrackMedia(audioCopyTrack);
long duration = GetMovieDuration(audioMovie);
err = AddEmptyTrackToMovie (audioCopyTrack, movie, 0, 0, &destTrack);
err = InsertTrackSegment(audioCopyTrack, destTrack, 0, duration, 0);
err = EndMediaEdits(destMedia);
}
int convertToMP4PathThrough(CFStringRef inFile, CFStringRef outFile)
{
OSStatus error;
MovieExportComponent movieExporter = NULL;
Handle inDataRef=0, outDataRef=0;
OSType inDataRefType, outDataRefType;
short inResID = 0;
Movie theMovie=0;
int ret = -1;
error = OpenADefaultComponent(MovieExportType, kQTFileTypeMP4, &movieExporter);
if(error) {
fprintf(stderr,"OpenADefaultComponent error: cannot find the QuickTime conponent\n");
goto last;
}
error = QTNewDataReferenceFromFullPathCFString(inFile, kQTNativeDefaultPathStyle, 0, &inDataRef, &inDataRefType);
if(error) {
fprintf(stderr,"QTNewDataReferenceFromFullPathCFString error: input file path is invalid\n");
goto last;
}
error = QTNewDataReferenceFromFullPathCFString(outFile, kQTNativeDefaultPathStyle, 0, &outDataRef, &outDataRefType);
if(error) {
fprintf(stderr,"QTNewDataReferenceFromFullPathCFString error: output file path is invalid\n");
goto last;
}
error = NewMovieFromDataRef(&theMovie, newMovieActive, &inResID, inDataRef, inDataRefType);
if(error) {
fprintf(stderr,"NewMovieFromDataRef error: cannot open the input file\n");
goto last;
}
Track theTrack = getSoundTrack(theMovie);
Media theMedia = GetTrackMedia(theTrack);
DeleteTrackSegment(theTrack, 0, GetTrackDuration(theTrack));
SetMovieTimeScale(theMovie, GetMediaTimeScale(theMedia));
InsertMediaIntoTrack(theTrack, 0, 0, GetMediaDuration(theMedia), fixed1);
Boolean useHighResolutionAudio = true;
QTSetComponentProperty(
movieExporter,
kQTPropertyClass_MovieExporter,
kQTMovieExporterPropertyID_EnableHighResolutionAudioFeatures,
sizeof(Boolean),
&useHighResolutionAudio
);
UInt32 ftyp = 'mp42';
QTSetComponentProperty(
movieExporter,
kQTPropertyClass_MovieExporter,
'ftyp',
4,
&ftyp
);
QTAtomContainer ac;
MovieExportGetSettingsAsAtomContainer(movieExporter, &ac);
QTAtom ensoAtom = QTFindChildByID(ac, kParentAtomIsContainer, kQTSettingsMovieExportEnableSound, 1, NULL);
if(ensoAtom) {
long size, *data;
QTGetAtomDataPtr(ac,ensoAtom,&size,(Ptr *)&data);
data[0] = EndianS32_NtoB('past');
QTSetAtomData(ac, ensoAtom, size, data);
MovieExportSetSettingsFromAtomContainer(movieExporter, ac);
}
DisposeHandle(ac);
/*Boolean cancelled;
error = MovieExportDoUserDialog(movieExporter, theMovie, NULL, 0, GetMovieDuration(theMovie), &cancelled);
if(cancelled) goto last;
if(error) {
printf("MovieExportDoUserDialog error\n");
goto last;
}*/
error = ConvertMovieToDataRef(theMovie, 0, outDataRef, outDataRefType, kQTFileTypeMP4, FOUR_CHAR_CODE('TVOD'), createMovieFileDeleteCurFile|createMovieFileDontCreateResFile, movieExporter);
if(error) {
fprintf(stderr,"ConvertMovieToDataRef error: cannot translate .mov into .m4a (%d)\n",error);
goto last;
}
ret = 0;
last:
if(movieExporter) CloseComponent(movieExporter);
if(theMovie) DisposeMovie(theMovie);
if(inDataRef) DisposeHandle(inDataRef);
if(outDataRef) DisposeHandle(outDataRef);
return ret;
}
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;
}
quicktime_recorder* quicktime_recorder::create( const char *path2, int width,
int height, float fps ) {
OSErr err;
OSType dataRefType;
Handle dataRef = NULL;
impl *m = new impl(width, height);
std::string pathStd = path2;
#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, kQTNativeDefaultPathStyle, 0, &dataRef, &dataRefType);
CFRelease(cfPath);
if (err != noErr) {
delete m;
return NULL;
}
err = CreateMovieStorage(dataRef, dataRefType, FOUR_CHAR_CODE('TVOD'), smSystemScript,
createMovieFileDeleteCurFile | createMovieFileDontCreateResFile, &m->data_handler, &m->movie);
DisposeHandle(dataRef);
if (err != noErr) {
delete m;
return NULL;
}
m->track = NewMovieTrack(m->movie, FixRatio(m->width, 1), FixRatio(m->height, 1), kNoVolume);
err &= GetMoviesError();
TimeScale timeScale = (TimeScale)(fps * 100.0f);
m->media = NewTrackMedia(m->track, VideoMediaType, timeScale, nil, 0 );
err &= GetMoviesError();
if (err != noErr) {
delete m;
return NULL;
}
SetMovieTimeScale(m->movie, timeScale);
m->buffer = new unsigned char[4 * m->width * m->height];
Rect rect;
rect.left = rect.top = 0;
rect.right = m->width;
rect.bottom = m->height;
err = QTNewGWorldFromPtr(&m->gworld, k32BGRAPixelFormat, &rect, NULL, NULL, 0, m->buffer, 4 * m->width);
if (err != noErr) {
delete m;
return NULL;
}
m->pixmap = GetGWorldPixMap(m->gworld);
if (!m->pixmap) {
delete m;
return NULL;
}
LockPixels(m->pixmap);
long maxSize = 0;
err = GetMaxCompressionSize(m->pixmap, &rect, 0, codecNormalQuality, kPNGCodecType, anyCodec, &maxSize);
if (err != noErr) {
delete m;
return NULL;
}
m->handle = NewHandle(maxSize);
if (!m->handle) {
delete m;
return NULL;
}
HLockHi(m->handle);
m->ptr = *m->handle;
m->image_desc = (ImageDescriptionHandle)NewHandle(4);
if (!m->image_desc) {
delete m;
return NULL;
}
err = BeginMediaEdits( m->media );
if (err != noErr) {
delete m;
return NULL;
}
return new quicktime_recorder(m);
}
