inline void * VCR::imageThreadMethod() {
Image image;
while (mActive) {
if (mAudio) {
writeImages(image);
} else {
al_sleep(mSleep);
}
}
// write any remaining images:
writeImages(image);
return 0;
}
// [[Rcpp::export]]
Rcpp::RawVector magick_image_write( XPtrImage input, Rcpp::CharacterVector format, Rcpp::IntegerVector quality,
Rcpp::IntegerVector depth, Rcpp::CharacterVector density, Rcpp::CharacterVector comment){
if(!input->size())
return Rcpp::RawVector(0);
XPtrImage image = copy(input);
#if MagickLibVersion >= 0x691
//suppress write warnings see #74 and #116
image->front().quiet(true);
#endif
if(format.size())
for_each ( image->begin(), image->end(), Magick::magickImage(std::string(format[0])));
if(quality.size())
for_each ( image->begin(), image->end(), Magick::qualityImage(quality[0]));
if(depth.size())
for_each ( image->begin(), image->end(), Magick::depthImage(depth[0]));
if(density.size()){
for_each ( image->begin(), image->end(), Magick::resolutionUnitsImage(Magick::PixelsPerInchResolution));
for_each ( image->begin(), image->end(), Magick::densityImage(Point(density[0])));
}
if(comment.size())
for_each ( image->begin(), image->end(), Magick::commentImage(std::string(comment.at(0))));
Magick::Blob output;
writeImages( image->begin(), image->end(), &output );
Rcpp::RawVector res(output.length());
std::memcpy(res.begin(), output.data(), output.length());
return res;
}
INITIALIZE_EASYLOGGINGPP
int main(int argc, char** argv)
{
// IO operation
const char* keys =
{
"{ f | vidFile | ex2.avi | filename of video }"
"{ x | xFlowFile | flow_x | filename of flow x component }"
"{ y | yFlowFile | flow_y | filename of flow x component }"
"{ i | imgFile | flow_i | filename of flow image}"
"{ b | bound | 15 | specify the maximum of optical flow}"
"{ o | out | zip | output style}"
};
CommandLineParser cmd(argc, argv, keys);
string vidFile = cmd.get<string>("vidFile");
string xFlowFile = cmd.get<string>("xFlowFile");
string yFlowFile = cmd.get<string>("yFlowFile");
string imgFile = cmd.get<string>("imgFile");
string output_style = cmd.get<string>("out");
int bound = cmd.get<int>("bound");
// LOG(INFO)<<"Starting extraction";
vector<vector<uchar> > out_vec_x, out_vec_y, out_vec_img;
calcDenseFlow(vidFile, bound, 0, 1,
out_vec_x, out_vec_y, out_vec_img);
if (output_style == "dir") {
writeImages(out_vec_x, xFlowFile);
writeImages(out_vec_y, yFlowFile);
writeImages(out_vec_img, imgFile);
}else{
// LOG(INFO)<<"Writing results to Zip archives";
writeZipFile(out_vec_x, "x_%05d.jpg", xFlowFile+".zip");
writeZipFile(out_vec_y, "y_%05d.jpg", yFlowFile+".zip");
writeZipFile(out_vec_img, "img_%05d.jpg", imgFile+".zip");
}
return 0;
}