AOMedia AV1 Codec
aom_image.h
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1 /*
2  * Copyright (c) 2016, Alliance for Open Media. All rights reserved
3  *
4  * This source code is subject to the terms of the BSD 2 Clause License and
5  * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6  * was not distributed with this source code in the LICENSE file, you can
7  * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8  * Media Patent License 1.0 was not distributed with this source code in the
9  * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10  */
11 
16 #ifndef AOM_AOM_AOM_IMAGE_H_
17 #define AOM_AOM_AOM_IMAGE_H_
18 
19 #ifdef __cplusplus
20 extern "C" {
21 #endif
22 
23 #include "aom/aom_integer.h"
24 
33 #define AOM_IMAGE_ABI_VERSION (9)
35 #define AOM_IMG_FMT_PLANAR 0x100
36 #define AOM_IMG_FMT_UV_FLIP 0x200
38 #define AOM_IMG_FMT_HIGHBITDEPTH 0x800
41 typedef enum aom_img_fmt {
42  AOM_IMG_FMT_NONE,
47  3,
55 } aom_img_fmt_t;
58 typedef enum aom_color_primaries {
68  8,
91  10,
115  9,
119  12,
124 
126 typedef enum aom_color_range {
158 
160 typedef struct aom_metadata_array aom_metadata_array_t;
161 
163 typedef struct aom_metadata {
164  uint32_t type;
165  uint8_t *payload;
166  size_t sz;
169 
171 typedef struct aom_image {
180  /* Image storage dimensions */
181  unsigned int w;
182  unsigned int h;
183  unsigned int bit_depth;
185  /* Image display dimensions */
186  unsigned int d_w;
187  unsigned int d_h;
189  /* Image intended rendering dimensions */
190  unsigned int r_w;
191  unsigned int r_h;
193  /* Chroma subsampling info */
194  unsigned int x_chroma_shift;
195  unsigned int y_chroma_shift;
197 /* Image data pointers. */
198 #define AOM_PLANE_PACKED 0
199 #define AOM_PLANE_Y 0
200 #define AOM_PLANE_U 1
201 #define AOM_PLANE_V 2
202  unsigned char *planes[3];
203  int stride[3];
204  size_t sz;
206  int bps;
208  int temporal_id;
209  int spatial_id;
214  void *user_priv;
215 
216  /* The following members should be treated as private. */
217  unsigned char *img_data;
224  void *fb_priv;
225 } aom_image_t;
246  unsigned int d_w, unsigned int d_h,
247  unsigned int align);
248 
269 aom_image_t *aom_img_wrap(aom_image_t *img, aom_img_fmt_t fmt, unsigned int d_w,
270  unsigned int d_h, unsigned int align,
271  unsigned char *img_data);
272 
295  unsigned int d_w, unsigned int d_h,
296  unsigned int align,
297  unsigned int size_align,
298  unsigned int border);
299 
314 int aom_img_set_rect(aom_image_t *img, unsigned int x, unsigned int y,
315  unsigned int w, unsigned int h, unsigned int border);
316 
324 void aom_img_flip(aom_image_t *img);
325 
332 void aom_img_free(aom_image_t *img);
333 
341 int aom_img_plane_width(const aom_image_t *img, int plane);
342 
350 int aom_img_plane_height(const aom_image_t *img, int plane);
351 
367 int aom_img_add_metadata(aom_image_t *img, uint32_t type, const uint8_t *data,
368  size_t sz, aom_metadata_insert_flags_t insert_flag);
369 
382  size_t index);
383 
395 size_t aom_img_num_metadata(const aom_image_t *img);
396 
405 
420 aom_metadata_t *aom_img_metadata_alloc(uint32_t type, const uint8_t *data,
421  size_t sz,
422  aom_metadata_insert_flags_t insert_flag);
423 
430 void aom_img_metadata_free(aom_metadata_t *metadata);
431 
432 #ifdef __cplusplus
433 } // extern "C"
434 #endif
435 
436 #endif // AOM_AOM_AOM_IMAGE_H_
Definition: aom_image.h:86
unsigned char * img_data
Definition: aom_image.h:217
unsigned int d_h
Definition: aom_image.h:187
unsigned int r_w
Definition: aom_image.h:190
void * fb_priv
Definition: aom_image.h:224
Definition: aom_image.h:92
Definition: aom_image.h:122
Definition: aom_image.h:133
aom_matrix_coefficients_t mc
Definition: aom_image.h:175
Definition: aom_image.h:128
aom_chroma_sample_position
List of chroma sample positions.
Definition: aom_image.h:132
Definition: aom_image.h:66
enum aom_img_fmt aom_img_fmt_t
List of supported image formats.
Definition: aom_image.h:87
Definition: aom_image.h:114
aom_metadata_insert_flags_t insert_flag
Definition: aom_image.h:167
Definition: aom_image.h:65
Definition: aom_image.h:50
Definition: aom_image.h:81
Definition: aom_image.h:96
enum aom_color_primaries aom_color_primaries_t
List of supported color primaries.
Definition: aom_image.h:117
Definition: aom_image.h:48
enum aom_matrix_coefficients aom_matrix_coefficients_t
List of supported matrix coefficients.
#define AOM_IMG_FMT_HIGHBITDEPTH
Definition: aom_image.h:38
Definition: aom_image.h:60
unsigned int y_chroma_shift
Definition: aom_image.h:195
enum aom_metadata_insert_flags aom_metadata_insert_flags_t
List of insert flags for Metadata.
Definition: aom_image.h:127
int aom_img_add_metadata(aom_image_t *img, uint32_t type, const uint8_t *data, size_t sz, aom_metadata_insert_flags_t insert_flag)
Add metadata to image.
Definition: aom_image.h:83
Definition: aom_image.h:72
Metadata payload.
Definition: aom_image.h:163
Definition: aom_image.h:49
int monochrome
Definition: aom_image.h:176
Image Descriptor.
Definition: aom_image.h:171
Definition: aom_image.h:121
aom_image_t * aom_img_alloc(aom_image_t *img, aom_img_fmt_t fmt, unsigned int d_w, unsigned int d_h, unsigned int align)
Open a descriptor, allocating storage for the underlying image.
Definition: aom_image.h:54
Definition: aom_image.h:88
Definition: aom_image.h:70
unsigned int w
Definition: aom_image.h:181
void aom_img_metadata_free(aom_metadata_t *metadata)
Free metadata struct.
aom_color_primaries
List of supported color primaries.
Definition: aom_image.h:58
Definition: aom_image.h:134
Definition: aom_image.h:64
aom_image_t * aom_img_alloc_with_border(aom_image_t *img, aom_img_fmt_t fmt, unsigned int d_w, unsigned int d_h, unsigned int align, unsigned int size_align, unsigned int border)
Open a descriptor, allocating storage for the underlying image with a border.
Definition: aom_image.h:53
Definition: aom_image.h:98
Definition: aom_image.h:111
aom_metadata_insert_flags
List of insert flags for Metadata.
Definition: aom_image.h:153
Definition: aom_image.h:52
void aom_img_free(aom_image_t *img)
Close an image descriptor.
aom_transfer_characteristics_t tc
Definition: aom_image.h:174
Definition: aom_image.h:82
Definition: aom_image.h:95
Definition: aom_image.h:74
Definition: aom_image.h:90
aom_metadata_t * aom_img_metadata_alloc(uint32_t type, const uint8_t *data, size_t sz, aom_metadata_insert_flags_t insert_flag)
Allocate memory for aom_metadata struct.
Definition: aom_image.h:110
Definition: aom_image.h:107
aom_image_t * aom_img_wrap(aom_image_t *img, aom_img_fmt_t fmt, unsigned int d_w, unsigned int d_h, unsigned int align, unsigned char *img_data)
Open a descriptor, using existing storage for the underlying image.
int self_allocd
Definition: aom_image.h:219
Definition: aom_image.h:73
Definition: aom_image.h:99
struct aom_image aom_image_t
Image Descriptor.
uint32_t type
Definition: aom_image.h:164
int aom_img_plane_width(const aom_image_t *img, int plane)
Get the width of a plane.
Definition: aom_image.h:89
struct aom_metadata_array aom_metadata_array_t
Array of aom_metadata structs for an image.
Definition: aom_image.h:160
aom_metadata_array_t * metadata
Definition: aom_image.h:222
aom_chroma_sample_position_t csp
Definition: aom_image.h:177
Definition: aom_image.h:62
const aom_metadata_t * aom_img_get_metadata(const aom_image_t *img, size_t index)
Return a metadata payload stored within the image metadata array.
struct aom_metadata aom_metadata_t
Metadata payload.
aom_color_range
List of supported color range.
Definition: aom_image.h:126
uint8_t * payload
Definition: aom_image.h:165
Definition: aom_image.h:93
int aom_img_plane_height(const aom_image_t *img, int plane)
Get the height of a plane.
Definition: aom_image.h:59
Definition: aom_image.h:108
Definition: aom_image.h:109
unsigned int x_chroma_shift
Definition: aom_image.h:194
unsigned int h
Definition: aom_image.h:182
Definition: aom_image.h:113
Definition: aom_image.h:155
#define AOM_IMG_FMT_PLANAR
Definition: aom_image.h:35
aom_transfer_characteristics
List of supported transfer functions.
Definition: aom_image.h:79
enum aom_color_range aom_color_range_t
List of supported color range.
Definition: aom_image.h:136
Definition: aom_image.h:97
Definition: aom_image.h:137
Definition: aom_image.h:46
Definition: aom_image.h:51
enum aom_chroma_sample_position aom_chroma_sample_position_t
List of chroma sample positions.
Definition: aom_image.h:94
Definition: aom_image.h:106
Definition: aom_image.h:100
Definition: aom_image.h:63
void aom_img_flip(aom_image_t *img)
Flip the image vertically (top for bottom)
Definition: aom_image.h:116
Definition: aom_image.h:120
aom_color_range_t range
Definition: aom_image.h:178
Definition: aom_image.h:118
Definition: aom_image.h:85
Definition: aom_image.h:84
void aom_img_remove_metadata(aom_image_t *img)
Remove metadata from image.
Definition: aom_image.h:45
Definition: aom_image.h:67
Definition: aom_image.h:156
#define AOM_IMG_FMT_UV_FLIP
Definition: aom_image.h:36
Definition: aom_image.h:105
enum aom_transfer_characteristics aom_transfer_characteristics_t
List of supported transfer functions.
size_t aom_img_num_metadata(const aom_image_t *img)
Return the number of metadata blocks within the image.
Definition: aom_image.h:75
Definition: aom_image.h:80
Definition: aom_image.h:154
Definition: aom_image.h:112
unsigned int bit_depth
Definition: aom_image.h:183
unsigned int r_h
Definition: aom_image.h:191
unsigned int d_w
Definition: aom_image.h:186
Definition: aom_image.h:61
Definition: aom_image.h:43
aom_matrix_coefficients
List of supported matrix coefficients.
Definition: aom_image.h:104
aom_img_fmt_t fmt
Definition: aom_image.h:172
Definition: aom_image.h:71
size_t sz
Definition: aom_image.h:166
Definition: aom_image.h:69
int aom_img_set_rect(aom_image_t *img, unsigned int x, unsigned int y, unsigned int w, unsigned int h, unsigned int border)
Set the rectangle identifying the displayed portion of the image.
aom_color_primaries_t cp
Definition: aom_image.h:173
int img_data_owner
Definition: aom_image.h:218