L4TMJpegLoader.h

#ifndef L4TM_JPEG_LOADER_H
#define L4TM_JPEG_LOADER_H
 
// Required for NVIDIA's jpeglib.h which uses size_t and FILE
#include <cstddef>
#include <cstdio>
 
#include "libjpeg-8b/jpeglib.h"
 
namespace L4TMJpegLoader {
 
bool init();
 
bool isAvailable();
 
// === Compress Functions (Encoder) ===
 
struct jpeg_error_mgr* std_error(struct jpeg_error_mgr* err);
void create_compress(j_compress_ptr cinfo);
void destroy_compress(j_compress_ptr cinfo);
void mem_dest(j_compress_ptr cinfo, unsigned char** outbuffer, unsigned long* outsize);
void set_defaults(j_compress_ptr cinfo);
void set_quality(j_compress_ptr cinfo, int quality, boolean force_baseline);
void suppress_tables(j_compress_ptr cinfo, boolean suppress);
void start_compress(j_compress_ptr cinfo, boolean write_all_tables);
JDIMENSION write_scanlines(j_compress_ptr cinfo, JSAMPARRAY scanlines, JDIMENSION num_lines);
JDIMENSION write_raw_data(j_compress_ptr cinfo, JSAMPIMAGE data, JDIMENSION num_lines);
void finish_compress(j_compress_ptr cinfo);
void set_hardware_acceleration_parameters_enc(
    j_compress_ptr cinfo,
    boolean hw_acceleration,
    unsigned int defaultBuffSize,
    unsigned int maxBuffSize,
    unsigned int hwBuffSize);
 
// === Decompress Functions (Decoder) ===
 
void create_decompress(j_decompress_ptr cinfo);
void destroy_decompress(j_decompress_ptr cinfo);
void mem_src(j_decompress_ptr cinfo, unsigned char* inbuffer, unsigned long insize);
int read_header(j_decompress_ptr cinfo, boolean require_image);
boolean start_decompress(j_decompress_ptr cinfo);
JDIMENSION read_raw_data(j_decompress_ptr cinfo, JSAMPIMAGE data, JDIMENSION max_lines);
boolean finish_decompress(j_decompress_ptr cinfo);
 
} // namespace L4TMJpegLoader
 
#endif // L4TM_JPEG_LOADER_H