int timescale = movie.getTimeScale();
TimeCodeDef tcDef = new TimeCodeDef();
tcDef.setTimeScale (2997); // ntsc drop-frame
tcDef.setFrameDuration (100); // 1 frame in 30 fps dropframe
tcDef.setFramesPerSecond (30);
tcDef.setFlags (StdQTConstants.tcDropFrame);
// other good options: tcNegTimesOK, tc24HoursMax
// first record at 0 hrs, 0 min, 0 sec, 0 frames
TimeCodeTime tcTime = new TimeCodeTime (0, 0, 0, 0);
// create timecode track and media
Track tcTrack = movie.addTrack (TIMECODE_TRACK_WIDTH,
TIMECODE_TRACK_HEIGHT,
0);
TimeCodeMedia tcMedia = new TimeCodeMedia (tcTrack, timescale);
TimeCoder timeCoder = tcMedia.getTimeCodeHandler();
// turn on timecode display, set colors
timeCoder.setFlags (timeCoder.getFlags() |
StdQTConstants.tcdfShowTimeCode,
StdQTConstants.tcdfShowTimeCode);
TCTextOptions tcTextOptions = timeCoder.getDisplayOptions();
tcTextOptions.setTXSize (14);
tcTextOptions.setTXFace (QDConstants.bold);
tcTextOptions.setForeColor (QDColor.yellow);
tcTextOptions.setBackColor (QDColor.black);
timeCoder.setDisplayOptions (tcTextOptions);
// set up a sample as a 4-byte array in a QTHandle
int frameNumber = timeCoder.toFrameNumber (tcTime, tcDef);
int frameNums[] = new int[1];
// BOOK ERRATA: this is buggy on Windows for timecodes other
// than 00:00:00;00. You need to adjust for endianness, as
// seen in the revised (uncommented) line.
// frameNums[0] = frameNumber;
frameNums[0] = EndianOrder.flipNativeToBigEndian32 (frameNumber);
QTHandle frameNumHandle = new QTHandle (4, false);
frameNumHandle.copyFromArray (0, frameNums, 0, 1);
// create a timecode description (the sample to be added)
TimeCodeDescription tcDesc = new TimeCodeDescription();
tcDesc.setTimeCodeDef (tcDef);
// add the sample to the TimeCodeMedia
tcMedia.beginEdits();
tcMedia.addSample (frameNumHandle,
0,
frameNumHandle.getSize(),
movie.getDuration(),
tcDesc,
1,
0);
tcMedia.endEdits();
// now insert this media into track
tcTrack.insertMedia (0, // trackStart
0, // mediaTime
tcMedia.getDuration(), // mediaDuration
1); // mediaRate
// move the time code to the bottom of the movie and
// set a transparent-background GrahpicsMode
int x = (movie.getBox().getWidth()/2) - (TIMECODE_TRACK_WIDTH / 2);
int y = movie.getBox().getHeight() - TIMECODE_TRACK_HEIGHT;
QDRect moveFrom = new QDRect (0, 0,
TIMECODE_TRACK_WIDTH,
TIMECODE_TRACK_HEIGHT);
QDRect moveTo = new QDRect (x, y,
TIMECODE_TRACK_WIDTH,
TIMECODE_TRACK_HEIGHT);
Matrix matrix = new Matrix();
matrix.rect (moveFrom, moveTo);
tcTrack.setMatrix (matrix);
timeCoder.setGraphicsMode (new GraphicsMode (QDConstants.transparent,
QDColor.black));
return tcTrack;
