api/jpegutils_8h_source.html

 /*

  * jpegutils.h: Some Utility programs for dealing with

  *               JPEG encoded images

  *

  *  Copyright (C) 1999 Rainer Johanni <Rainer@Johanni.de>

  *  Copyright (C) 2001 pHilipp Zabel  <pzabel@gmx.de>

  *  Copyright (C) 2008 Angel Carpintero <ack@telenfonica.net>

  *

  */


 #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


encode_jpeg_raw
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)
encode raw JPEG buffer
Definition: jpegutils.c:1156

decode_jpeg_raw
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)
decode JPEG buffer
Definition: jpegutils.c:461

decode_jpeg_rgb
int decode_jpeg_rgb(unsigned char *inBuffer, unsigned long inSize, uint8_t **memptr, size_t *memsize, int *naxis, int *w, int *h)
decode_jpeg_rgb Read jpeg in memory buffer and produce RGB image
Definition: jpegutils.c:1309

decode_jpeg_gray_raw
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)
decode JPEG raw gray buffer
Definition: jpegutils.c:837