Пример #1
0
Audio::Timestamp VideoDecoder::FixedRateVideoTrack::getFrameTime(uint frame) const {
	// Try to get as accurate as possible, considering we have a fractional frame rate
	// (which Audio::Timestamp doesn't support).
	Common::Rational frameRate = getFrameRate();

	// Try to keep it in terms of the frame rate, if the frame rate is a whole
	// number.
	if (frameRate.getDenominator() == 1)
		return Audio::Timestamp(0, frame, frameRate.toInt());

	// Convert as best as possible
	Common::Rational time = frameRate.getInverse() * frame;
	return Audio::Timestamp(0, time.getNumerator(), time.getDenominator());
}
Пример #2
0
void Movie::setTime(const TimeValue time, const TimeScale scale) {
	if (_video) {
		// Don't go past the ends of the movie
		Common::Rational timeFrac = Common::Rational(time, ((scale == 0) ? getScale() : scale));

		if (timeFrac < Common::Rational(_startTime, _startScale))
			timeFrac = Common::Rational(_startTime, _startScale);
		else if (timeFrac >= Common::Rational(_stopTime, _stopScale))
			return;

		_video->seek(Audio::Timestamp(0, timeFrac.getNumerator(), timeFrac.getDenominator()));
		_time = timeFrac;
		_lastMillis = 0;
	}
}