[feat][tinyjpeg] add tinyjpeg component

This commit is contained in:
jzlv 2021-08-25 17:41:07 +08:00
parent f0211e720b
commit cdbbb1b49d
4 changed files with 1381 additions and 0 deletions

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################# Add global include #################
list(APPEND ADD_INCLUDE
"${CMAKE_CURRENT_SOURCE_DIR}"
)
#######################################################
################# Add private include #################
# list(APPEND ADD_PRIVATE_INCLUDE
# )
#######################################################
############## Add current dir source files ###########
file(GLOB_RECURSE sources
"${CMAKE_CURRENT_SOURCE_DIR}/*.c")
#aux_source_directory(. sources)
list(APPEND ADD_SRCS ${sources})
#######################################################
########### Add required/dependent components #########
# list(APPEND ADD_REQUIREMENTS fatfs)
#######################################################
############ Add static libs ##########################
#list(APPEND ADD_STATIC_LIB "libxxx.a")
#######################################################
############ Add dynamic libs #########################
# list(APPEND ADD_DYNAMIC_LIB "libxxx.so"
# )
#######################################################
############ Add global compile option ################
#add components denpend on this component
# list(APPEND ADD_DEFINITIONS -DSUPPORT_xxx)
#######################################################
############ Add private compile option ################
#add compile option for this component that won't affect other modules
# list(APPEND ADD_PRIVATE_DEFINITIONS -Dxxx)
#######################################################
generate_library()

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components/tiny_jpeg/tjpgd.c Normal file

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/*----------------------------------------------------------------------------/
/ TJpgDec - Tiny JPEG Decompressor R0.03 include file (C)ChaN, 2021
/----------------------------------------------------------------------------*/
#ifndef DEF_TJPGDEC
#define DEF_TJPGDEC
#ifdef __cplusplus
extern "C" {
#endif
#include "tjpgdcnf.h"
#include <string.h>
#if defined(_WIN32) /* VC++ or some compiler without stdint.h */
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef short int16_t;
typedef unsigned long uint32_t;
typedef long int32_t;
#else /* Embedded platform */
#include <stdint.h>
#endif
#if JD_FASTDECODE >= 1
typedef int16_t jd_yuv_t;
#else
typedef uint8_t jd_yuv_t;
#endif
/* Error code */
typedef enum {
JDR_OK = 0, /* 0: Succeeded */
JDR_INTR, /* 1: Interrupted by output function */
JDR_INP, /* 2: Device error or wrong termination of input stream */
JDR_MEM1, /* 3: Insufficient memory pool for the image */
JDR_MEM2, /* 4: Insufficient stream input buffer */
JDR_PAR, /* 5: Parameter error */
JDR_FMT1, /* 6: Data format error (may be broken data) */
JDR_FMT2, /* 7: Right format but not supported */
JDR_FMT3 /* 8: Not supported JPEG standard */
} JRESULT;
/* Rectangular region in the output image */
typedef struct {
uint16_t left; /* Left end */
uint16_t right; /* Right end */
uint16_t top; /* Top end */
uint16_t bottom; /* Bottom end */
} JRECT;
/* Decompressor object structure */
typedef struct JDEC JDEC;
struct JDEC {
size_t dctr; /* Number of bytes available in the input buffer */
uint8_t* dptr; /* Current data read ptr */
uint8_t* inbuf; /* Bit stream input buffer */
uint8_t dbit; /* Number of bits availavble in wreg or reading bit mask */
uint8_t scale; /* Output scaling ratio */
uint8_t msx, msy; /* MCU size in unit of block (width, height) */
uint8_t qtid[3]; /* Quantization table ID of each component, Y, Cb, Cr */
uint8_t ncomp; /* Number of color components 1:grayscale, 3:color */
int16_t dcv[3]; /* Previous DC element of each component */
uint16_t nrst; /* Restart inverval */
uint16_t width, height; /* Size of the input image (pixel) */
uint8_t* huffbits[2][2]; /* Huffman bit distribution tables [id][dcac] */
uint16_t* huffcode[2][2]; /* Huffman code word tables [id][dcac] */
uint8_t* huffdata[2][2]; /* Huffman decoded data tables [id][dcac] */
int32_t* qttbl[4]; /* Dequantizer tables [id] */
#if JD_FASTDECODE >= 1
uint32_t wreg; /* Working shift register */
uint8_t marker; /* Detected marker (0:None) */
#if JD_FASTDECODE == 2
uint8_t longofs[2][2]; /* Table offset of long code [id][dcac] */
uint16_t* hufflut_ac[2]; /* Fast huffman decode tables for AC short code [id] */
uint8_t* hufflut_dc[2]; /* Fast huffman decode tables for DC short code [id] */
#endif
#endif
void* workbuf; /* Working buffer for IDCT and RGB output */
jd_yuv_t* mcubuf; /* Working buffer for the MCU */
void* pool; /* Pointer to available memory pool */
size_t sz_pool; /* Size of momory pool (bytes available) */
size_t (*infunc)(JDEC*, uint8_t*, size_t); /* Pointer to jpeg stream input function */
void* device; /* Pointer to I/O device identifiler for the session */
};
/* TJpgDec API functions */
JRESULT jd_prepare (JDEC* jd, size_t (*infunc)(JDEC*,uint8_t*,size_t), void* pool, size_t sz_pool, void* dev);
JRESULT jd_decomp (JDEC* jd, int (*outfunc)(JDEC*,void*,JRECT*), uint8_t scale);
#ifdef __cplusplus
}
#endif
#endif /* _TJPGDEC */

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/*----------------------------------------------*/
/* TJpgDec System Configurations R0.03 */
/*----------------------------------------------*/
#define JD_SZBUF 1024
/* Specifies size of stream input buffer */
#define JD_FORMAT 1
/* Specifies output pixel format.
/ 0: RGB888 (24-bit/pix)
/ 1: RGB565 (16-bit/pix)
/ 2: Grayscale (8-bit/pix)
*/
#define JD_USE_SCALE 0
/* Switches output descaling feature.
/ 0: Disable
/ 1: Enable
*/
#define JD_TBLCLIP 1
/* Use table conversion for saturation arithmetic. A bit faster, but increases 1 KB of code size.
/ 0: Disable
/ 1: Enable
*/
#define JD_FASTDECODE 2
/* Optimization level
/ 0: Basic optimization. Suitable for 8/16-bit MCUs.
/ 1: + 32-bit barrel shifter. Suitable for 32-bit MCUs.
/ 2: + Table conversion for huffman decoding (wants 6 << HUFF_BIT bytes of RAM)
*/