1 // Copyright (C) 2019 The Android Open Source Project
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #pragma once
16 
17 #include "host-common/GoldfishMediaDefs.h"
18 #include "host-common/MediaH264DecoderPlugin.h"
19 #include "host-common/MediaH264Decoder.h"
20 
21 #include <stddef.h>
22 #include <mutex>
23 #include <unordered_map>
24 
25 namespace android {
26 namespace emulation {
27 
28 
29 class MediaH264DecoderDefault : public MediaH264Decoder {
30 public:
31     MediaH264DecoderDefault() = default;
32     virtual ~MediaH264DecoderDefault() = default;
33 
34     // This is the entry point
35     virtual void handlePing(MediaCodecType type, MediaOperation op, void* ptr) override;
36 
37     // For snapshots
38     virtual void save(base::Stream* stream) const override;
39     virtual bool load(base::Stream* stream) override;
40 
41 private:
42     std::mutex mIdLock{};
43     std::mutex mMapLock{};
44     uint64_t mId = 0;
45     std::unordered_map<uint64_t, MediaH264DecoderPlugin*> mDecoders;
46     uint64_t readId(void* ptr);  // read id from the address
47     void removeDecoder(uint64_t id);
48     uint64_t createId();
49     void addDecoder(uint64_t key,
50                     MediaH264DecoderPlugin* val);  // this just add
51     void updateDecoder(
52             uint64_t key,
53             MediaH264DecoderPlugin* val);  // this will overwrite
54     MediaH264DecoderPlugin* getDecoder(uint64_t key);
55 };
56 
57 }  // namespace emulation
58 }  // namespace android
59