void progress_setinfo( char * info )
{
/*if( progress_info != info )
{*/
ObjcString( progress_tree, PB_STATUS, info );
progress_display_object( PB_STATUS );
progress_info = info;
progress_display();
/*} */
}
void progress_setcount( long count )
{
progress_count = count;
if( progress_calc_prct() != progress_prct )
progress_display();
}
void ComputeFeatureChannelsApplication::main_loop()
{
const bool should_print = not silent_mode;
if(silent_mode)
{
printf("The application is running in silent mode. "
"No information will be printed until all the frames have been processed.\n");
}
int num_iterations = 0;
const int num_iterations_for_timing = 10;
//const int num_iterations_for_timing = 100;
double cumulated_processing_time = 0;
double start_wall_time = omp_get_wtime();
bool video_input_is_available = directory_input_p->next_frame();
AbstractChannelsComputer::channels_t channels;
ImagesFromDirectory::input_image_view_t input_view = directory_input_p->get_image();
channels.resize(boost::extents[channels_computer_p->get_num_channels()][input_view.height()][input_view.width()]);
progress_display_with_eta progress_display(num_files_to_process);
bool end_of_game = false;
while(video_input_is_available and (not end_of_game))
{
// update video input --
ImagesFromDirectory::input_image_view_t input_view = directory_input_p->get_image();
// we start measuring the time before uploading the data to the GPU
const double start_processing_wall_time = omp_get_wtime();
if((static_cast<size_t>(input_view.height()) != channels.shape()[1])
or (static_cast<size_t>(input_view.width()) != channels.shape()[2]))
{
printf("First image size (height, width) == %zix%zi\n", channels.shape()[1], channels.shape()[2]);
printf("Current input image size (height, width) == %lix%li\n", input_view.height(), input_view.width());
throw std::invalid_argument("ComputeFeatureChannelsApplication"
"expects all input images to have the same size");
}
channels_computer_p->set_image(input_view);
channels_computer_p->compute();
const AbstractChannelsComputer::channels_t &computed_channels = \
channels_computer_p->get_input_channels_uint16();
assert(channels.shape()[0] == computed_channels.shape()[0]);
assert(channels.shape()[1] == computed_channels.shape()[1]);
assert(channels.shape()[2] == computed_channels.shape()[2]);
channels = computed_channels; // copy the elements
// Hack to create paper image
if(false) //and ((input_view.width() == 96) and (input_view.height() == 160)))
{
patch_borders(channels);
const int shrinking_factor = 4;
AbstractChannelsComputer::channels_t shrunk_channels;
allocate_shrunk_channels(channels, shrinking_factor, shrunk_channels);
shrink_channels(channels, shrinking_factor, shrunk_channels);
/*typedef boost::multi_array_types::index_range range;
AbstractChannelsComputer::channels_t::const_array_view<3>::type detection_channels_view =
shrunk_channels[
boost::indices[range()]
[range(16/shrinking_factor, (16+128)/shrinking_factor)]
[range(16/shrinking_factor, (16+64)/shrinking_factor)] ];
channels.resize(boost::extents[detection_channels_view.shape()[0]]
[detection_channels_view.shape()[1]]
[detection_channels_view.shape()[2]]);
channels = detection_channels_view; // copy the data*/
channels.resize(boost::extents[shrunk_channels.shape()[0]]
[shrunk_channels.shape()[1]]
[shrunk_channels.shape()[2]]);
channels = shrunk_channels; // copy the data
}
cumulated_processing_time += omp_get_wtime() - start_processing_wall_time;
// save the channels in the corresponding file --
std::string filename = directory_input_p->get_image_name();
filename.append(".png"); // the final filename will be of the kind "something.jpeg.png"
//const boost::filesystem::path output_filename = output_path / filename;
const boost::filesystem::path output_filename = get_recording_path() / filename;
save_channels_to_file(channels, output_filename);
// update user interface --
end_of_game = update_gui();
num_iterations += 1;
// false since progress_display will provide the corresponding information
if(false and should_print and ((num_iterations % num_iterations_for_timing) == 0))
{
printf("Average iteration speed %.4lf [Hz] (in the last %i iterations)\n",
num_iterations_for_timing / (omp_get_wtime() - start_wall_time) , num_iterations_for_timing );
start_wall_time = omp_get_wtime(); // we reset timer
}
++progress_display; // update progress display
// retrieve next input image
video_input_is_available = directory_input_p->next_frame();
} // end of "while video input and not end of game"
printf("Processed a total of %i input frames\n", num_iterations);
if(cumulated_processing_time > 0)
{
printf("Average processing time per iteration %.2lf [Hz] (in the last %i iterations)\n",
num_iterations / cumulated_processing_time , num_iterations );
}
return;
} // end of void ComputeFeatureChannelsApplication::main_loop