//----------
void Color::update(IColorFrame * frame) {
this->isFrameNewFlag = true;
IFrameDescription * frameDescription = NULL;
try {
//allocate pixels and texture if we need to
if (FAILED(frame->get_FrameDescription(&frameDescription))) {
throw Exception("Failed to get frame description");
}
int width, height;
if (FAILED(frameDescription->get_Width(&width)) || FAILED(frameDescription->get_Height(&height))) {
throw Exception("Failed to get width and height of frame");
}
if (width != this->pixels.getWidth() || height != this->texture.getHeight()) {
this->pixels.allocate(width, height, OF_IMAGE_COLOR_ALPHA);
this->texture.allocate(this->pixels);
}
//update local rgba image
if (FAILED(frame->CopyConvertedFrameDataToArray(this->pixels.size(), this->pixels.getPixels(), ColorImageFormat_Rgba))) {
throw Exception("Couldn't pull pixel buffer");
}
if (this->useTexture) {
this->texture.loadData(this->pixels);
}
//update yuv
if (this->yuvPixelsEnabled) {
if (width != this->yuvPixels.getWidth() || height != this->yuvPixels.getHeight()) {
this->yuvPixels.allocate(width, height, OF_PIXELS_YUY2);
}
if (FAILED(frame->CopyRawFrameDataToArray(this->yuvPixels.size(), this->yuvPixels.getPixels()))) {
throw Exception("Couldn't pull raw YUV pixel buffer");
}
}
//update field of view
if (FAILED(frameDescription->get_HorizontalFieldOfView(&this->horizontalFieldOfView))) {
throw Exception("Failed to get horizonal field of view");
}
if (FAILED(frameDescription->get_VerticalFieldOfView(&this->verticalFieldOfView))) {
throw Exception("Failed to get vertical field of view");
}
if (FAILED(frameDescription->get_DiagonalFieldOfView(&this->diagonalFieldOfView))) {
throw Exception("Failed to get diagonal field of view");
}
IColorCameraSettings * cameraSettings;
if (FAILED(frame->get_ColorCameraSettings(&cameraSettings))) {
throw Exception("Failed to get color camera settings");
}
cameraSettings->get_ExposureTime(&this->exposure);
cameraSettings->get_FrameInterval(&this->frameInterval);
cameraSettings->get_Gain(&this->gain);
cameraSettings->get_Gamma(&this->gamma);
} catch (std::exception & e) {
OFXKINECTFORWINDOWS2_ERROR << e.what();
}
SafeRelease(frameDescription);
}
//----------
void Color::update() {
CHECK_OPEN
IColorFrame * frame = NULL;
IFrameDescription * frameDescription = NULL;
try {
//acquire frame
if (FAILED(this->reader->AcquireLatestFrame(&frame))) {
return; // we often throw here when no new frame is available
}
//allocate pixels and texture if we need to
if (FAILED(frame->get_FrameDescription(&frameDescription))) {
throw Exception("Failed to get frame description");
}
int width, height;
if (FAILED(frameDescription->get_Width(&width)) || FAILED(frameDescription->get_Height(&height))) {
throw Exception("Failed to get width and height of frame");
}
if (width != this->pixels.getWidth() || height != this->texture.getHeight()) {
this->pixels.allocate(width, height, OF_IMAGE_COLOR_ALPHA);
this->texture.allocate(this->pixels);
}
//update local assets
if (FAILED(frame->CopyConvertedFrameDataToArray(this->pixels.size(), this->pixels.getPixels(), ColorImageFormat_Rgba))) {
throw Exception("Couldn't pull pixel buffer");
}
if (this->useTexture) {
this->texture.loadData(this->pixels);
}
//update field of view
if (FAILED(frameDescription->get_HorizontalFieldOfView(&this->horizontalFieldOfView))) {
throw Exception("Failed to get horizonal field of view");
}
if (FAILED(frameDescription->get_VerticalFieldOfView(&this->verticalFieldOfView))) {
throw Exception("Failed to get vertical field of view");
}
if (FAILED(frameDescription->get_DiagonalFieldOfView(&this->diagonalFieldOfView))) {
throw Exception("Failed to get diagonal field of view");
}
IColorCameraSettings * cameraSettings;
if (FAILED(frame->get_ColorCameraSettings(&cameraSettings))) {
throw Exception("Failed to get color camera settings");
}
cameraSettings->get_ExposureTime(&this->exposure);
cameraSettings->get_FrameInterval(&this->frameInterval);
cameraSettings->get_Gain(&this->gain);
cameraSettings->get_Gamma(&this->gamma);
} catch (std::exception & e) {
OFXKINECTFORWINDOWS2_ERROR << e.what();
}
SafeRelease(frameDescription);
SafeRelease(frame);
}