neatvnc/inc/zrle.h

/*
 * Copyright (c) 2019 Andri Yngvason
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */

#pragma once

#include <stdint.h>
#include <unistd.h>

#include "miniz.h"

struct rfb_pixel_format;
struct pixman_region16;
struct vec;

void pixel32_to_cpixel(uint8_t *restrict dst,
		       const struct rfb_pixel_format* dst_fmt,
		       const uint32_t *restrict src,
		       const struct rfb_pixel_format* src_fmt,
		       size_t bytes_per_cpixel, size_t len);

int zrle_encode_frame(z_stream *zs,
                      struct vec *dst,
		      const struct rfb_pixel_format *dst_fmt,
		      const uint8_t *src,
		      const struct rfb_pixel_format *src_fmt,
		      int width, int height,
		      struct pixman_region16 *region);