/*
* Copyright Samsung Electronics Co.,LTD.
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* JPEG DRIVER MODULE (JpegEncoder.h)
* Author : ge.lee -- initial version
* Date : 03 June 2010
* Purpose : This file implements the JPEG encoder APIs as needed by Camera HAL
*/
#ifndef __JPG_API_H__
#define __JPG_API_H__
#include <stdint.h>
#include <sys/ioctl.h>
#include "Exif.h"
namespace android {
#define MAX_JPG_WIDTH 800
#define MAX_JPG_HEIGHT 480
#define MAX_JPG_RESOLUTION (MAX_JPG_WIDTH * MAX_JPG_HEIGHT)
#define MAX_JPG_THUMBNAIL_WIDTH 320
#define MAX_JPG_THUMBNAIL_HEIGHT 240
#define MAX_JPG_THUMBNAIL_RESOLUTION (MAX_JPG_THUMBNAIL_WIDTH * \
MAX_JPG_THUMBNAIL_HEIGHT)
#define MAX_RGB_WIDTH 800
#define MAX_RGB_HEIGHT 480
#define MAX_RGB_RESOLUTION (MAX_RGB_WIDTH * MAX_RGB_HEIGHT)
/*******************************************************************************/
/* define JPG & image memory */
/* memory area is 4k(PAGE_SIZE) aligned because of VirtualCopyEx() */
#define JPG_STREAM_BUF_SIZE \
(MAX_JPG_RESOLUTION / PAGE_SIZE + 1) * PAGE_SIZE
#define JPG_STREAM_THUMB_BUF_SIZE \
(MAX_JPG_THUMBNAIL_RESOLUTION / PAGE_SIZE + 1) * PAGE_SIZE
#define JPG_FRAME_BUF_SIZE \
((MAX_JPG_RESOLUTION * 3) / PAGE_SIZE + 1) * PAGE_SIZE
#define JPG_FRAME_THUMB_BUF_SIZE \
((MAX_JPG_THUMBNAIL_RESOLUTION * 3) / PAGE_SIZE + 1) * PAGE_SIZE
#define JPG_RGB_BUF_SIZE \
((MAX_RGB_RESOLUTION * 4) / PAGE_SIZE + 1) * PAGE_SIZE
#define JPG_TOTAL_BUF_SIZE (JPG_STREAM_BUF_SIZE + \
JPG_STREAM_THUMB_BUF_SIZE + \
JPG_FRAME_BUF_SIZE + \
JPG_FRAME_THUMB_BUF_SIZE + \
JPG_RGB_BUF_SIZE)
#define JPG_MAIN_START 0x00
#define JPG_THUMB_START JPG_STREAM_BUF_SIZE
#define IMG_MAIN_START (JPG_STREAM_BUF_SIZE + JPG_STREAM_THUMB_BUF_SIZE)
#define IMG_THUMB_START (IMG_MAIN_START + JPG_FRAME_BUF_SIZE)
/*******************************************************************************/
#define JPG_DRIVER_NAME "/dev/s3c-jpg"
#define JPEG_IOCTL_MAGIC 'J'
#define IOCTL_JPG_DECODE _IO(JPEG_IOCTL_MAGIC, 1)
#define IOCTL_JPG_ENCODE _IO(JPEG_IOCTL_MAGIC, 2)
#define IOCTL_JPG_GET_STRBUF _IO(JPEG_IOCTL_MAGIC, 3)
#define IOCTL_JPG_GET_FRMBUF _IO(JPEG_IOCTL_MAGIC, 4)
#define IOCTL_JPG_GET_THUMB_STRBUF _IO(JPEG_IOCTL_MAGIC, 5)
#define IOCTL_JPG_GET_THUMB_FRMBUF _IO(JPEG_IOCTL_MAGIC, 6)
#define IOCTL_JPG_GET_PHY_FRMBUF _IO(JPEG_IOCTL_MAGIC, 7)
#define IOCTL_JPG_GET_PHY_THUMB_FRMBUF _IO(JPEG_IOCTL_MAGIC, 8)
typedef enum {
JPEG_SET_ENCODE_WIDTH,
JPEG_SET_ENCODE_HEIGHT,
JPEG_SET_ENCODE_QUALITY,
JPEG_SET_ENCODE_IN_FORMAT,
JPEG_SET_SAMPING_MODE,
JPEG_SET_THUMBNAIL_WIDTH,
JPEG_SET_THUMBNAIL_HEIGHT
} jpeg_conf;
typedef enum {
JPG_FAIL,
JPG_SUCCESS,
OK_HD_PARSING,
ERR_HD_PARSING,
OK_ENC_OR_DEC,
ERR_ENC_OR_DEC,
ERR_UNKNOWN
} jpg_return_status;
typedef enum {
JPG_RGB16,
JPG_YCBYCR,
JPG_TYPE_UNKNOWN
} image_type_t;
typedef enum {
JPG_444,
JPG_422,
JPG_420,
JPG_400,
RESERVED1,
RESERVED2,
JPG_411,
JPG_SAMPLE_UNKNOWN
} sample_mode_t;
typedef enum {
YCBCR_422,
YCBCR_420,
YCBCR_SAMPLE_UNKNOWN
} out_mode_t;
typedef enum {
JPG_MODESEL_YCBCR = 1,
JPG_MODESEL_RGB,
JPG_MODESEL_UNKNOWN
} in_mode_t;
typedef enum {
JPG_MAIN,
JPG_THUMBNAIL
} encode_type_t;
typedef enum {
JPG_QUALITY_LEVEL_1, /* high */
JPG_QUALITY_LEVEL_2,
JPG_QUALITY_LEVEL_3,
JPG_QUALITY_LEVEL_4 /* low */
} image_quality_type_t;
typedef struct {
sample_mode_t sample_mode;
encode_type_t dec_type;
out_mode_t out_format;
uint32_t width;
uint32_t height;
uint32_t data_size;
uint32_t file_size;
} jpg_dec_proc_param;
typedef struct {
sample_mode_t sample_mode;
encode_type_t enc_type;
in_mode_t in_format;
image_quality_type_t quality;
uint32_t width;
uint32_t height;
uint32_t data_size;
uint32_t file_size;
uint32_t set_framebuf;
} jpg_enc_proc_param;
typedef struct {
char *in_buf;
char *phy_in_buf;
int in_buf_size;
char *out_buf;
char *phy_out_buf;
int out_buf_size;
char *in_thumb_buf;
char *phy_in_thumb_buf;
int in_thumb_buf_size;
char *out_thumb_buf;
char *phy_out_thumb_buf;
int out_thumb_buf_size;
char *mmapped_addr;
jpg_dec_proc_param *dec_param;
jpg_enc_proc_param *enc_param;
jpg_enc_proc_param *thumb_enc_param;
} jpg_args;
class JpegEncoder {
public:
JpegEncoder();
virtual ~JpegEncoder();
int openHardware();
jpg_return_status setConfig(jpeg_conf type, int32_t value);
void *getInBuf(uint64_t size);
void *getOutBuf(uint64_t *size);
void *getThumbInBuf(uint64_t size);
void *getThumbOutBuf(uint64_t *size);
jpg_return_status encode(unsigned int *size, exif_attribute_t *exifInfo);
jpg_return_status encodeThumbImg(unsigned int *size, bool useMain = true);
jpg_return_status makeExif(unsigned char *exifOut,
exif_attribute_t *exifIn,
unsigned int *size,
bool useMainbufForThumb = false);
private:
jpg_return_status checkMcu(sample_mode_t sampleMode, uint32_t width, uint32_t height, bool isThumb);
bool pad(char *srcBuf, uint32_t srcWidth, uint32_t srcHight,
char *dstBuf, uint32_t dstWidth, uint32_t dstHight);
bool scaleDownYuv422(char *srcBuf, uint32_t srcWidth, uint32_t srcHight,
char *dstBuf, uint32_t dstWidth, uint32_t dstHight);
inline void writeExifIfd(unsigned char **pCur,
unsigned short tag,
unsigned short type,
unsigned int count,
uint32_t value);
inline void writeExifIfd(unsigned char **pCur,
unsigned short tag,
unsigned short type,
unsigned int count,
unsigned char *pValue);
inline void writeExifIfd(unsigned char **pCur,
unsigned short tag,
unsigned short type,
unsigned int count,
rational_t *pValue,
unsigned int *offset,
unsigned char *start);
inline void writeExifIfd(unsigned char **pCur,
unsigned short tag,
unsigned short type,
unsigned int count,
unsigned char *pValue,
unsigned int *offset,
unsigned char *start);
int mDevFd;
jpg_args mArgs;
bool available;
};
};
#endif /* __JPG_API_H__ */