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#ifndef __JPEG_API_H__
#define __JPEG_API_H__
#define JPEG_DRIVER_NAME "/dev/s5p-jpeg"
#define MAX_JPEG_WIDTH 3264
#define MAX_JPEG_HEIGHT 2448
#define MAX_JPEG_RES (MAX_JPEG_WIDTH * MAX_JPEG_HEIGHT)
#define JPEG_STREAM_BUF_SIZE MAX_JPEG_RES
#define JPEG_FRAME_BUF_SIZE (MAX_JPEG_RES * 3)
#define JPEG_TOTAL_BUF_SIZE (JPEG_STREAM_BUF_SIZE + JPEG_FRAME_BUF_SIZE)
#define JPEG_IOCTL_MAGIC 'J'
#define IOCTL_JPEG_DEC_EXE _IO(JPEG_IOCTL_MAGIC, 1)
#define IOCTL_JPEG_ENC_EXE _IO(JPEG_IOCTL_MAGIC, 2)
#define IOCTL_GET_DEC_IN_BUF _IO(JPEG_IOCTL_MAGIC, 3)
#define IOCTL_GET_DEC_OUT_BUF _IO(JPEG_IOCTL_MAGIC, 4)
#define IOCTL_GET_ENC_IN_BUF _IO(JPEG_IOCTL_MAGIC, 5)
#define IOCTL_GET_ENC_OUT_BUF _IO(JPEG_IOCTL_MAGIC, 6)
#define IOCTL_SET_DEC_PARAM _IO(JPEG_IOCTL_MAGIC, 7)
#define IOCTL_SET_ENC_PARAM _IO(JPEG_IOCTL_MAGIC, 8)
enum jpeg_ret_type{
JPEG_FAIL,
JPEG_OK,
JPEG_ENCODE_FAIL,
JPEG_ENCODE_OK,
JPEG_DECODE_FAIL,
JPEG_DECODE_OK,
JPEG_OUT_OF_MEMORY,
JPEG_UNKNOWN_ERROR
};
enum jpeg_img_quality_level {
QUALITY_LEVEL_1 = 0, /* high */
QUALITY_LEVEL_2,
QUALITY_LEVEL_3,
QUALITY_LEVEL_4, /* low */
};
/* raw data image format */
enum jpeg_frame_format {
YUV_422, /* decode output, encode input */
YUV_420, /* decode output, encode output */
RGB_565, /* encode input */
};
/* jpeg data format */
enum jpeg_stream_format {
JPEG_422, /* decode input, encode output */
JPEG_420, /* decode input, encode output */
JPEG_444, /* decode input*/
JPEG_GRAY, /* decode input*/
JPEG_RESERVED,
};
enum jpeg_test_mode {
encode_mode,
decode_mode,
};
struct jpeg_dec_param {
unsigned int width;
unsigned int height;
unsigned int size;
enum jpeg_stream_format in_fmt;
enum jpeg_frame_format out_fmt;
};
struct jpeg_enc_param {
unsigned int width;
unsigned int height;
unsigned int size;
enum jpeg_frame_format in_fmt;
enum jpeg_stream_format out_fmt;
enum jpeg_img_quality_level quality;
};
struct jpeg_args{
char *in_buf;
unsigned int in_cookie;
unsigned int in_buf_size;
char *out_buf;
unsigned int out_cookie;
unsigned int out_buf_size;
char *mmapped_addr;
struct jpeg_dec_param *dec_param;
struct jpeg_enc_param *enc_param;
};
struct jpeg_lib {
int jpeg_fd;
struct jpeg_args args;
};
#ifdef __cplusplus
extern "C" {
#endif
int api_jpeg_decode_init();
int api_jpeg_encode_init();
int api_jpeg_decode_deinit(int dev_fd);
int api_jpeg_encode_deinit(int dev_fd);
void *api_jpeg_get_decode_in_buf(int dev_fd, unsigned int size);
void *api_jpeg_get_encode_in_buf(int dev_fd, unsigned int size);
void *api_jpeg_get_decode_out_buf(int dev_fd);
void *api_jpeg_get_encode_out_buf(int dev_fd);
void api_jpeg_set_decode_param(struct jpeg_dec_param *param);
void api_jpeg_set_encode_param(struct jpeg_enc_param *param);
enum jpeg_ret_type api_jpeg_decode_exe(int dev_fd,
struct jpeg_dec_param *dec_param);
enum jpeg_ret_type api_jpeg_encode_exe(int dev_fd,
struct jpeg_enc_param *enc_param);
#ifdef __cplusplus
}
#endif
#endif//__JPEG_API_H__
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