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1 /*
2  * Copyright (C) 2019 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 ANDROID_SERVERS_CAMERA_HEICENCODER_INFO_MANAGER_H
18 #define ANDROID_SERVERS_CAMERA_HEICENCODER_INFO_MANAGER_H
19 
20 #include <unordered_map>
21 #include <utility>
22 #include <utils/Errors.h>
23 #include <utils/StrongPointer.h>
24 
25 #include <media/IMediaCodecList.h>
26 #include <media/stagefright/foundation/AMessage.h>
27 
28 namespace android {
29 namespace camera3 {
30 
31 class HeicEncoderInfoManager {
32 public:
getInstance()33     static HeicEncoderInfoManager& getInstance() {
34         static HeicEncoderInfoManager instance;
35         return instance;
36     }
37 
38     bool isSizeSupported(int32_t width, int32_t height,
39             bool* useHeic, bool* useGrid, int64_t* stall, AString* hevcName) const;
40 
41     // kGridWidth and kGridHeight should be 2^n
42     static const auto kGridWidth = 512;
43     static const auto kGridHeight = 512;
44 private:
45     struct SizePairHash {
operatorSizePairHash46         std::size_t operator () (const std::pair<int32_t,int32_t> &p) const {
47             return p.first * 31 + p.second;
48         }
49     };
50 
51     typedef std::unordered_map<std::pair<int32_t, int32_t>,
52             std::pair<int32_t, int32_t>, SizePairHash> FrameRateMaps;
53 
54     HeicEncoderInfoManager();
55     virtual ~HeicEncoderInfoManager();
56 
57     status_t initialize();
58     status_t getFrameRateMaps(sp<AMessage> details, FrameRateMaps* maps);
59     status_t getCodecSizeRange(const char* codecName, sp<AMessage> details,
60             std::pair<int32_t, int32_t>* minSize, std::pair<int32_t, int32_t>* maxSize,
61             FrameRateMaps* frameRateMaps);
62     FrameRateMaps::const_iterator findClosestSize(const FrameRateMaps& maps,
63             int32_t width, int32_t height) const;
64     sp<AMessage> getCodecDetails(sp<IMediaCodecList> codecsList, const char* name);
65     bool getHevcCodecDetails(sp<IMediaCodecList> codecsList, const char* mime);
66 
67     bool mIsInited;
68     std::pair<int32_t, int32_t> mMinSizeHeic, mMaxSizeHeic;
69     std::pair<int32_t, int32_t> mMinSizeHevc, mMaxSizeHevc;
70     bool mHasHEVC, mHasHEIC;
71     AString mHevcName;
72     FrameRateMaps mHeicFrameRateMaps, mHevcFrameRateMaps;
73     bool mDisableGrid;
74 
75 };
76 
77 } // namespace camera3
78 } // namespace android
79 
80 #endif // ANDROID_SERVERS_CAMERA_HEICENCODER_INFO_MANAGER_H
81