neatvnc/include/tight.h

46 lines
1.4 KiB
C

/*
* Copyright (c) 2019 - 2020 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 <zlib.h>
struct vec;
struct nvnc_client;
struct nvnc_fb;
struct pixman_region16;
struct rfb_pixel_format;
enum tight_quality {
TIGHT_QUALITY_UNSPEC = 0,
TIGHT_QUALITY_LOSSLESS,
TIGHT_QUALITY_LOW,
TIGHT_QUALITY_HIGH,
};
struct tight_encoder {
z_stream zs[4];
enum tight_quality quality;
};
int tight_encoder_init(struct tight_encoder*);
void tight_encoder_destroy(struct tight_encoder*);
int tight_encode_frame(struct tight_encoder* self, struct vec* dst,
const struct nvnc_fb* fb,
const struct rfb_pixel_format* src_fmt,
struct pixman_region16* region);