C++ (Cpp) setReverse Examples

Example #1

File: control.cpp Project: romsuhov/raspberrycar

void setSpeed(double speed)					//speed amount
{
  setReverse(speed < 0);
  int data = speed*51.2;
  bcm2835_pwm_set_data(pwmChannel, data);
  std::cout<<"speed "<<speed<<" "<<data<<std::endl;
}

Example #2

File: Dmb.cpp Project: DarkDare/ODR-DabMux

Dmb::Dmb(bool reverse) :
interleaver(12, 17),
encoder(204, 188)
{
    buffer = NULL;
    bufferSize = 0;
    setReverse(reverse);
}

Example #3

File: vkhandlermessages.cpp Project: rusphantom/sailfishVK

VKHandlerMessages::VKHandlerMessages(VKStorage* storage, QObject *parent) :
    VKAbstractHandler(storage, parent)
{
    setOffset(0);
    setCount(20);
    setUserId(0);
    setStartMessageId(0);
    setReverse(0);
    m_recievedCount = 0;
    m_unreadCount = 0;
}

Example #4

File: video_decoder.cpp Project: 86400/scummvm

void VideoDecoder::setRate(const Common::Rational &rate) {
	if (!isVideoLoaded() || _playbackRate == rate)
		return;

	if (rate == 0) {
		stop();
		return;
	} else if (rate != 1 && hasAudio()) {
		warning("Cannot set custom rate in videos with audio");
		return;
	}

	Common::Rational targetRate = rate;

	// Attempt to set the reverse
	if (!setReverse(rate < 0)) {
		assert(rate < 0); // We shouldn't fail for forward.
		warning("Cannot set custom rate to backwards");
		setReverse(false);
		targetRate = 1;

		if (_playbackRate == targetRate)
			return;
	}

	if (_playbackRate != 0)
		_lastTimeChange = getTime();

	_playbackRate = targetRate;
	_startTime = g_system->getMillis();

	// Adjust start time if we've seeked to something besides zero time
	if (_lastTimeChange != 0)
		_startTime -= (_lastTimeChange.msecs() / _playbackRate).toInt();

	startAudio();
}

Example #5

File: JoystickMapper.cpp Project: 43z3com/libemulation

bool JoystickMapper::setValue(string name, string value)
{
    if (name == "inputDevice")
        inputDevice = value;
    else if (name == "deviceId")
        deviceId = getOEInt(value);
    else if (name.substr(0, 4) == "axis")
        setMap(JOYSTICK_AXIS1 + getOEInt(name.substr(4)), value);
    else if (name.substr(0, 6) == "button")
        setMap(JOYSTICK_BUTTON1 + getOEInt(name.substr(6)), value);
    else if (name.substr(0, 15) == "sensitivityAxis")
        setSensitivity(JOYSTICK_AXIS1 + getOEInt(name.substr(15)), getFloat(value));
    else if (name.substr(0, 11) == "reverseAxis")
        setReverse(JOYSTICK_AXIS1 + getOEInt(name.substr(11)), getOEInt(value));
    else if (name.substr(0, 3) == "map")
        inputDeviceMap[name.substr(3)] = value;
    else
        return false;
    
    return true;
}

Example #6

File: qt_decoder.cpp Project: Fyre91/scummvm

bool QuickTimeDecoder::VideoTrackHandler::seek(const Audio::Timestamp &requestedTime) {
	uint32 convertedFrames = requestedTime.convertToFramerate(_decoder->_timeScale).totalNumberOfFrames();
	for (_curEdit = 0; !atLastEdit(); _curEdit++)
		if (convertedFrames >= _parent->editList[_curEdit].timeOffset && convertedFrames < _parent->editList[_curEdit].timeOffset + _parent->editList[_curEdit].trackDuration)
			break;

	// If we did reach the end of the track, break out
	if (atLastEdit())
		return true;

	// If this track is in an empty edit, position us at the next non-empty
	// edit. There's nothing else to do after this.
	if (_parent->editList[_curEdit].mediaTime == -1) {
		while (!atLastEdit() && _parent->editList[_curEdit].mediaTime == -1)
			_curEdit++;

		if (!atLastEdit())
			enterNewEditList(true);

		return true;
	}

	enterNewEditList(false);

	// One extra check for the end of a track
	if (atLastEdit())
		return true;

	// Now we're in the edit and need to figure out what frame we need
	Audio::Timestamp time = requestedTime.convertToFramerate(_parent->timeScale);
	while (getRateAdjustedFrameTime() < (uint32)time.totalNumberOfFrames()) {
		_curFrame++;
		if (_durationOverride >= 0) {
			_nextFrameStartTime += _durationOverride;
			_durationOverride = -1;
		} else {
			_nextFrameStartTime += getFrameDuration();
		}
	}

	// All that's left is to figure out what our starting time is going to be
	// Compare the starting point for the frame to where we need to be
	_holdNextFrameStartTime = getRateAdjustedFrameTime() != (uint32)time.totalNumberOfFrames();

	// If we went past the time, go back a frame. _curFrame before this point is at the frame
	// that should be displayed. This adjustment ensures it is on the frame before the one that
	// should be displayed.
	if (_holdNextFrameStartTime)
		_curFrame--;

	if (_reversed) {
		// Call setReverse again to update
		setReverse(true);
	} else {
		// Handle the keyframe here
		int32 destinationFrame = _curFrame + 1;

		assert(destinationFrame < (int32)_parent->frameCount);
		_curFrame = findKeyFrame(destinationFrame) - 1;
		while (_curFrame < destinationFrame - 1)
			bufferNextFrame();
	}

	return true;
}