gpu.h

/*
 * Copyright (C) 2023 Mikhail Burakov. This file is part of streamer.
 *
 * streamer 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 3 of the License, or
 * (at your option) any later version.
 *
 * streamer 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 streamer.  If not, see <https://www.gnu.org/licenses/>.
 */

#ifndef STREAMER_GPU_H_
#define STREAMER_GPU_H_

#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

#include "colorspace.h"

struct GpuFrame {
  uint32_t width;
  uint32_t height;
};

struct GpuFramePlane {
  int dmabuf_fd;
  uint32_t pitch;
  uint32_t offset;
  uint64_t modifier;
};

struct GpuContext* GpuContextCreate(enum YuvColorspace colorspace,
                                    enum YuvRange range);
struct GpuFrame* GpuContextCreateFrame(struct GpuContext* gpu_context,
                                       uint32_t width, uint32_t height,
                                       uint32_t fourcc, size_t nplanes,
                                       const struct GpuFramePlane* planes);
bool GpuContextConvertFrame(struct GpuContext* gpu_context,
                            const struct GpuFrame* from,
                            const struct GpuFrame* to);
void GpuContextDestroyFrame(struct GpuContext* gpu_context,
                            struct GpuFrame* gpu_frame);
void GpuContextDestroy(struct GpuContext* gpu_context);

void CloseUniqueFds(int fds[4]);

#endif  // STREAMER_GPU_H_