jpegdec.c ファイル

JPEGデコード [詳解]

#include "picojpeg.h"
#include "tprintf.h"
#include "file.h"
#include "tkprintf.h"
#include "graphics.h"
#include "dtprintf.h"

jpegdec.c の依存先関係図:

[ソースコード]

関数
static unsigned char	pjpeg_data_need_bytes_callback (unsigned char *pBuf, unsigned char buf_size, unsigned char *pBytes_actually_read, void *pCallback_data)
static void	draw_pict (short px, short py, void *gbuf)
static void	draw_block (short px, short py)
int	get_jpeg_data_info (unsigned char *jpeg_data, pjpeg_image_info_t *jpeginfo, int reduce)
static unsigned char	pjpeg_file_need_bytes_callback (unsigned char *pBuf, unsigned char buf_size, unsigned char *pBytes_actually_read, void *pCallback_data)
int	get_jpeg_file_info (int fd, pjpeg_image_info_t *jpeginfo, int reduce)
static int	decode_proc_jpeg (void)
int	draw_jpeg (short px, short py)
int	decode_jpeg (void *image)

変数
static unsigned char *	jpeg_data_ptr
static int	flg_reduce = 0
static void *	image_ptr
static int	flg_draw = 0
static pjpeg_image_info_t *	image_info
static PIXEL_DATA	gbuf [16 *16]
static short	jpx
static short	jpy
static int	jpeg_fd = 0

詳解

JPEGデコード

picojpeg を使用 https://github.com/richgel999/picojpeg

日付

2017.11.12

著者

Takashi SHUDO

jpegdec.c に定義があります。