view bpgenc.h @ 26:a6e11adda0be

The format of JPEG EXIF data converted to BPG had an extraneous zero byte at front .. this is probably not intentional. Fixed. Programs reading BPG files may wish to compensate by checking for 0 before the "II" "TIFF" EXIF header.
author Matti Hamalainen <ccr@tnsp.org>
date Wed, 10 May 2017 14:26:20 +0300
parents 772086c29cc7
children 33594243ce31
line wrap: on
line source

/*
 * BPG encoder
 *
 * Copyright (c) 2014 Fabrice Bellard
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
#ifdef __cplusplus
extern "C" {
#endif

#include "libbpg.h"

typedef struct {
    int w, h;
    BPGImageFormatEnum format; /* x_VIDEO values are forbidden here */
    uint8_t c_h_phase; /* 4:2:2 or 4:2:0 : give the horizontal chroma
                          position. 0=MPEG2, 1=JPEG. */
    uint8_t has_alpha;
    uint8_t has_w_plane;
    uint8_t limited_range;
    uint8_t premultiplied_alpha;
    BPGColorSpaceEnum color_space;
    uint8_t bit_depth;
    uint8_t pixel_shift; /* (1 << pixel_shift) bytes per pixel */
    uint8_t *data[4];
    int linesize[4];
} Image;

typedef struct {
    int width;
    int height;
    int chroma_format; /* 0-3 */
    int bit_depth; /* 8-14 */
    int intra_only; /* 0-1 */

    int qp; /* quantizer 0-51 */
    int lossless; /* 0-1 lossless mode */
    int sei_decoded_picture_hash; /* 0=no hash, 1=MD5 hash */
    int compress_level; /* 1-9 */
    int verbose;
} HEVCEncodeParams;

typedef struct HEVCEncoderContext HEVCEncoderContext; 

typedef struct {
    HEVCEncoderContext *(*open)(const HEVCEncodeParams *params);
    int (*encode)(HEVCEncoderContext *s, Image *img);
    int (*close)(HEVCEncoderContext *s, uint8_t **pbuf);
} HEVCEncoder;

extern HEVCEncoder jctvc_encoder;
extern HEVCEncoder x265_hevc_encoder;

int x265_encode_picture(uint8_t **pbuf, Image *img, 
                        const HEVCEncodeParams *params);
void save_yuv1(Image *img, FILE *f);
void save_yuv(Image *img, const char *filename);

#ifdef __cplusplus
}
#endif