1/*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef VENDOR_TAGS_H_
18#define VENDOR_TAGS_H_
19
20#include <hardware/camera_common.h>
21#include <system/camera_metadata.h>
22
23namespace default_camera_hal {
24
25// VendorTags contains all vendor-specific metadata tag functionality
26class VendorTags {
27    public:
28        VendorTags();
29        ~VendorTags();
30
31        // Vendor Tags Operations (see <hardware/camera_common.h>)
32        int getTagCount(const vendor_tag_ops_t* ops);
33        void getAllTags(const vendor_tag_ops_t* ops, uint32_t* tag_array);
34        const char* getSectionName(const vendor_tag_ops_t* ops, uint32_t tag);
35        const char* getTagName(const vendor_tag_ops_t* ops, uint32_t tag);
36        int getTagType(const vendor_tag_ops_t* ops, uint32_t tag);
37
38    private:
39        // Total number of vendor tags
40        int mTagCount;
41};
42
43// Tag sections start at the beginning of vendor tags (0x8000_0000)
44// See <system/camera_metadata.h>
45enum {
46    DEMO_WIZARDRY,
47    DEMO_SORCERY,
48    DEMO_MAGIC,
49    DEMO_SECTION_COUNT
50};
51
52const uint32_t vendor_section_start = VENDOR_SECTION_START;
53
54// Each section starts at increments of 0x1_0000
55const uint32_t demo_wizardry_start = (DEMO_WIZARDRY + VENDOR_SECTION) << 16;
56const uint32_t demo_sorcery_start  = (DEMO_SORCERY  + VENDOR_SECTION) << 16;
57const uint32_t demo_magic_start    = (DEMO_MAGIC    + VENDOR_SECTION) << 16;
58
59// Vendor Tag values, start value begins each section
60const uint32_t demo_wizardry_dimension_size = demo_wizardry_start;
61const uint32_t demo_wizardry_dimensions = demo_wizardry_start + 1;
62const uint32_t demo_wizardry_familiar = demo_wizardry_start + 2;
63const uint32_t demo_wizardry_fire = demo_wizardry_start + 3;
64const uint32_t demo_wizardry_end = demo_wizardry_start + 4;
65
66const uint32_t demo_sorcery_difficulty = demo_sorcery_start;
67const uint32_t demo_sorcery_light = demo_sorcery_start + 1;
68const uint32_t demo_sorcery_end = demo_sorcery_start + 2;
69
70const uint32_t demo_magic_card_trick = demo_magic_start;
71const uint32_t demo_magic_levitation = demo_magic_start + 1;
72const uint32_t demo_magic_end = demo_magic_start + 2;
73
74} // namespace default_camera_hal
75
76#endif // VENDOR_TAGS_H_
77