jpegutils.h

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/*
 * jpegutils.h: Some Utility programs for dealing with
 *               JPEG encoded images
 *
 *  Copyright (C) 1999 Rainer Johanni <[email protected]>
 *  Copyright (C) 2001 pHilipp Zabel  <[email protected]>
 *  Copyright (C) 2008 Angel Carpintero <[email protected]>
 *
 */
 
#pragma once
 
#include <stddef.h>
#include <stdio.h>
#include <inttypes.h>
 
 
#define Y4M_ILACE_NONE         0 
#define Y4M_ILACE_TOP_FIRST    1 
#define Y4M_ILACE_BOTTOM_FIRST 2 
#define Y4M_ILACE_MIXED        3 
#define Y4M_CHROMA_420JPEG  0 
#define Y4M_CHROMA_420MPEG2 1 
#define Y4M_CHROMA_420PALDV 2 
#define Y4M_CHROMA_444      3 
#define Y4M_CHROMA_422      4 
#define Y4M_CHROMA_411      5 
#define Y4M_CHROMA_MONO     6 
#define Y4M_CHROMA_444ALPHA 7 
#ifdef __cplusplus
extern "C" {
#endif
 
int decode_jpeg_raw(unsigned char *jpeg_data, int len, int itype, int ctype, unsigned int width, unsigned int height,
                    unsigned char *raw0, unsigned char *raw1, unsigned char *raw2);
 
int decode_jpeg_rgb(unsigned char *inBuffer, unsigned long inSize, uint8_t **memptr, size_t *memsize, int *naxis, int *w,
                    int *h);
int decode_jpeg_gray_raw(unsigned char *jpeg_data, int len, int itype, int ctype, unsigned int width,
                         unsigned int height, unsigned char *raw0, unsigned char *raw1, unsigned char *raw2);
 
int encode_jpeg_raw(unsigned char *jpeg_data, int len, int quality, int itype, int ctype, unsigned int width,
                    unsigned int height, unsigned char *raw0, unsigned char *raw1, unsigned char *raw2);
#ifdef __cplusplus
}
#endif