#include "tbb/pipeline.h"

#include "pipeline.hh"
#include "filterSample/grey.hh"

Pipeline::Pipeline(std::list<VideoReader> input, VideoWriter output)
  : input_(input), output_(output)
{
  this->pipeline_.add_filter(this->input_.front());
}

bool Pipeline::add_filter(std::string filter)
{
  if (filter == "grey" || filter == "gray")
    this->pipeline_.add_filter(*(new Grey()));
  else
    return false;

  return true;
}

void Pipeline::run()
{
  int minframe = this->input_.front().framecount_get();
  for (auto it = this->input_.begin(); it != this->input_.end(); ++it)
    if (minframe > it->framecount_get())
      minframe = it->framecount_get();
  for (auto it = this->input_.begin(); it != this->input_.end(); ++it)
    it->maxframe_set(minframe);

  this->pipeline_.add_filter(this->output_);
  this->pipeline_.run(CHUNK_SIZE);
}