1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
|
/*
* 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__ */
|
