C++ VideoStream::setVideoMode方法代码示例

/*
void openni::VideoMode::setResolution()
Setter function for the resolution of this VideoMode. Application use of this function is not recommended.
Instead, use SensorInfo::getSupportedVideoModes() to obtain a list of valid video modes

-- cited from OpenNI2 help. setResolution() is not recommended.
*/
bool setONI2StreamMode(openni::VideoStream& stream, int w, int h, int fps, openni::PixelFormat format){
	//std::cout << "Ask mode: " << w << "x" << h << " " << fps << " fps. format " << format << std::endl;
	bool found = false;
	const openni::Array<openni::VideoMode>& modes = stream.getSensorInfo().getSupportedVideoModes();
	for(int i = 0, i_end = modes.getSize();i < i_end;++i){
		// std::cout << "Mode: " << modes[i].getResolutionX() << "x" << modes[i].getResolutionY() << " " << modes[i].getFps() << " fps. format " << modes[i].getPixelFormat() << std::endl;
		if(modes[i].getResolutionX() != w){
			continue;
		}
		if(modes[i].getResolutionY() != h){
			continue;
		}
		if(modes[i].getFps() != fps){
			continue;
		}
		if(modes[i].getPixelFormat() != format){
			continue;
		}
		openni::Status rc = stream.setVideoMode(modes[i]);
		if(rc != openni::STATUS_OK){
			return false;
		}
		return true;
	}
	return false;
}

bool setONI2StreamMode(openni::VideoStream& stream, int w, int h, int fps, openni::PixelFormat format){
	/*
  void openni::VideoMode::setResolution()
	Setter function for the resolution of this VideoMode. Application use of this function is not recommended.
	Instead, use SensorInfo::getSupportedVideoModes() to obtain a list of valid video modes

  -- cited from OpenNI2 help. setResolution() is not recommended.
  */
	bool found = false;
	const openni::Array<openni::VideoMode>& modes = stream.getSensorInfo().getSupportedVideoModes();
	for(int i = 0, i_end = modes.getSize();i < i_end;++i){
		if(modes[i].getResolutionX() != w){
			continue;
		}
		if(modes[i].getResolutionY() != h){
			continue;
		}
		if(modes[i].getPixelFormat() != format){
			continue;
		}
		openni::Status rc = stream.setVideoMode(modes[i]);
		if(rc != openni::STATUS_OK){
			printf("%s:Couldn't find RGB stream:\n%s\n", __FUNCTION__, openni::OpenNI::getExtendedError());
			return false;
		}
		return true;
	}
	return false;
}

void setDepthVideoMode(int mode)
{
	bool bIsStreamOn = g_bIsDepthOn;
	if (bIsStreamOn)
	{
		g_bIsDepthOn = false;
		g_depthStream.stop();
	}

	g_depthStream.setVideoMode(g_depthSensorInfo->getSupportedVideoModes()[mode]);
	if (bIsStreamOn)
	{
		g_depthStream.start();
		g_bIsDepthOn = true;
	}
}

void setIRVideoMode(int mode)
{
	bool bIsStreamOn = g_bIsIROn;
	if (bIsStreamOn)
	{
		g_bIsIROn = false;
		g_irStream.stop();
	}

	g_irFrame.release();
	g_irStream.setVideoMode(g_irSensorInfo->getSupportedVideoModes()[mode]);
	if (bIsStreamOn)
	{
		g_irStream.start();
		g_bIsIROn = true;
	}
}

  void open(const char* uri) {
    if (device.open(uri) != openni::STATUS_OK)
      BOOST_THROW_EXCEPTION(GrabberException("Failed to open device")
                            << GrabberException::ErrorInfo(openni::OpenNI::getExtendedError()));

    if (color_stream.create(device, openni::SENSOR_COLOR) != openni::STATUS_OK)
      BOOST_THROW_EXCEPTION(GrabberException("Failed to create color stream")
                            << GrabberException::ErrorInfo(openni::OpenNI::getExtendedError()));

    openni::VideoMode color_mode;
    color_mode.setFps(30);
    color_mode.setResolution(color_image_resolution.width, color_image_resolution.height);
    color_mode.setPixelFormat(openni::PIXEL_FORMAT_RGB888);
    color_stream.setVideoMode(color_mode);
    color_image_size = color_image_resolution.width * color_image_resolution.height * 3;
    color_stream.setMirroringEnabled(false);

    if (color_stream.start() != openni::STATUS_OK) {
      color_stream.destroy();
      BOOST_THROW_EXCEPTION(GrabberException("Failed to start color stream")
                            << GrabberException::ErrorInfo(openni::OpenNI::getExtendedError()));
    }

    streams.push_back(&color_stream);

    auto control = device.getPlaybackControl();
    if (control != nullptr) {
      // This is a file, make sure we get every frame
      control->setSpeed(-1.0f);
      control->setRepeatEnabled(false);
      num_frames = control->getNumberOfFrames(color_stream);
      is_file = true;
      if (num_frames == -1)
        BOOST_THROW_EXCEPTION(GrabberException("Unable to determine number of frames in ONI file"));
    }
  }

int SensorOpenNI::initialize()
{
    LOG(INFO) << "Initializing OpenNI";
    ///< force shutdown before starting!!
    kinect::OpenNI::shutdown();

    kinect::Status rc;
    rc = kinect::STATUS_OK;

    /// Fetch the device URI to pass to Device::open()
    const char* deviceURI = kinect::ANY_DEVICE;

    /// Initialize the device
    rc = kinect::OpenNI::initialize();
    if(rc!=kinect::STATUS_OK)
    {
        mDebug()<<"Initialization Errors (if any): "<< kinect::OpenNI::getExtendedError();
        kinect::OpenNI::shutdown();
        exit(0);
    }

    /// Open the device using the previously fetched device URI
    rc = device.open(deviceURI);
    if (rc != kinect::STATUS_OK)
    {
        mDebug()<<"Device open failed: "<<kinect::OpenNI::getExtendedError();
        kinect::OpenNI::shutdown();
        exit(0);
    }

    /// Create the depth stream
    rc = g_depthStream.create(device, kinect::SENSOR_DEPTH);
    if (rc == kinect::STATUS_OK)
    {
        /// start the depth stream, if its creation was successful
        rc = g_depthStream.start();

        if (rc != kinect::STATUS_OK)
        {
            mDebug()<<"Couldn't start depth stream: "<<kinect::OpenNI::getExtendedError();
            g_depthStream.destroy();
            exit(0);
        }
    }
    else
    {
        mDebug()<<"Couldn't find depth stream: "<<kinect::OpenNI::getExtendedError();
        exit(0);
    }

    if (!g_depthStream.isValid())
    {
        mDebug()<<"No valid depth streams. Exiting";
        kinect::OpenNI::shutdown();
        exit(0);
    }

    /// Create the color stream
    rc = g_colorStream.create(device, kinect::SENSOR_COLOR);

    if (rc == kinect::STATUS_OK)
    {
        /// start the color stream, if its creation was successful
        rc = g_colorStream.start();

        if (rc != kinect::STATUS_OK)
        {
            mDebug()<<"Couldn't start color stream: "<<kinect::OpenNI::getExtendedError();
            g_colorStream.destroy();
            exit(0);
        }
    }
    else
    {
        mDebug()<<"Couldn't find color stream: "<<kinect::OpenNI::getExtendedError();
        exit(0);
    }

    if (!g_colorStream.isValid())
    {
        mDebug()<<"No valid color streams. Exiting";
        kinect::OpenNI::shutdown();
        exit(0);
    }

    /// Configure resolutions
    {
        /// Attempt to set for depth
        {
            kinect::VideoMode mode = g_depthStream.getVideoMode();
            if(((int)camera->FPS())==60)
                mode.setFps(60);
            else
                mode.setFps(30);
            mode.setResolution(camera->width(), camera->height());
            rc = g_depthStream.setVideoMode(mode);
            if (rc != kinect::STATUS_OK)
                std::cerr << "error setting video mode (depth)" << std::endl;
        }
        /// Attempt to set for color
//.........这里部分代码省略.........