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/*
Copyright (C) 2022 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
DCP-o-matic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DCPOMATIC_CUDA_J2K_FRAME_ENCODER
#define DCPOMATIC_CUDA_J2K_FRAME_ENCODER
#include "j2k_frame_encoder.h"
#include "types.h"
#include <dcp/types.h>
#include <nvjpeg2k.h>
#include <boost/lockfree/spsc_queue.hpp>
#include <boost/thread/condition.hpp>
#include <boost/thread/mutex.hpp>
#include <map>
#include <queue>
#include <thread>
#include <vector>
class CUDAJ2KFrameEncoder : public J2KFrameEncoder
{
public:
CUDAJ2KFrameEncoder();
boost::optional<dcp::ArrayData> encode(DCPVideo const &) override;
void flush() override;
void log_thread_start() override;
private:
void encode_queue();
class Input
{
public:
Input(DCPVideo const& vf);
Input(Input const& other) = delete;
Input(Input&& other);
~Input();
Input& operator=(Input const& other) = delete;
nvjpeg2kImage_t const* const device_image() const {
return &_device_image;
}
int index() const {
return _index;
}
Eyes eyes() const {
return _eyes;
}
dcp::Size size() const {
return _size;
}
Resolution resolution() const {
return _resolution;
}
private:
std::vector<int16_t> xyz_x;
std::vector<int16_t> xyz_y;
std::vector<int16_t> xyz_z;
uint8_t* _pixel_data_h[3];
uint8_t* _pixel_data_d[3];
size_t _pitch_in_bytes_h[3];
size_t _pitch_in_bytes_d[3];
nvjpeg2kImage_t _device_image;
int _index;
Eyes _eyes;
dcp::Size _size;
Resolution _resolution;
};
boost::optional<dcp::Size> _size;
boost::optional<Resolution> _resolution;
static void cuda_thread();
static std::vector<std::thread> _cuda_threads;
static std::queue<Input> _input;
static boost::condition _input_condition;
static boost::mutex _input_mutex;
static std::map<std::pair<int, Eyes>, dcp::ArrayData> _output;
static boost::condition _output_condition;
static boost::mutex _output_mutex;
};
#endif
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