1 /*
2  * Copyright (c) 2023 Huawei Device Co., Ltd.
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 
16 #ifndef MEDIA_CODEC_DECODER_ADAPTER_H
17 #define MEDIA_CODEC_DECODER_ADAPTER_H
18 
19 #include <condition_variable>
20 #include <cstdint>
21 #include <memory>
22 #include <mutex>
23 #include <queue>
24 #include <string>
25 
26 #include "graphic_adapter.h"
27 #include "media_codec_adapter.h"
28 
29 namespace OHOS::NWeb {
30 
31 enum class DecoderAdapterCode : int32_t { DECODER_OK = 0, DECODER_ERROR = 1, DECODER_RETRY = 2 };
32 
33 class DecoderFormatAdapter {
34 public:
35     DecoderFormatAdapter() = default;
36 
37     virtual ~DecoderFormatAdapter() = default;
38 
39     virtual int32_t GetWidth() = 0;
40 
41     virtual int32_t GetHeight() = 0;
42 
43     virtual double GetFrameRate() = 0;
44 
45     virtual void SetWidth(int32_t width) = 0;
46 
47     virtual void SetHeight(int32_t height) = 0;
48 
49     virtual void SetFrameRate(double frameRate) = 0;
50 };
51 
52 class DecoderCallbackAdapter {
53 public:
54     DecoderCallbackAdapter() = default;
55 
56     virtual ~DecoderCallbackAdapter() = default;
57 
58     virtual void OnError(ErrorType errorType, int32_t errorCode) = 0;
59 
60     virtual void OnStreamChanged(int32_t width, int32_t height, double frameRate) = 0;
61 
62     virtual void OnNeedInputData(uint32_t index, std::shared_ptr<OhosBufferAdapter> buffer) = 0;
63 
64     virtual void OnNeedOutputData(uint32_t index, std::shared_ptr<BufferInfoAdapter> info, BufferFlag flag) = 0;
65 };
66 
67 class MediaCodecDecoderAdapter {
68 public:
69     MediaCodecDecoderAdapter() = default;
70 
71     virtual ~MediaCodecDecoderAdapter() = default;
72 
73     virtual DecoderAdapterCode CreateVideoDecoderByMime(const std::string& mimetype) = 0;
74 
75     virtual DecoderAdapterCode CreateVideoDecoderByName(const std::string& name) = 0;
76 
77     virtual DecoderAdapterCode ConfigureDecoder(const std::shared_ptr<DecoderFormatAdapter> format) = 0;
78 
79     virtual DecoderAdapterCode SetParameterDecoder(const std::shared_ptr<DecoderFormatAdapter> format) = 0;
80 
81     virtual DecoderAdapterCode SetOutputSurface(void* window) = 0;
82 
83     virtual DecoderAdapterCode PrepareDecoder() = 0;
84 
85     virtual DecoderAdapterCode StartDecoder() = 0;
86 
87     virtual DecoderAdapterCode StopDecoder() = 0;
88 
89     virtual DecoderAdapterCode FlushDecoder() = 0;
90 
91     virtual DecoderAdapterCode ResetDecoder() = 0;
92 
93     virtual DecoderAdapterCode ReleaseDecoder() = 0;
94 
95     virtual DecoderAdapterCode QueueInputBufferDec(
96         uint32_t index, int64_t presentationTimeUs, int32_t size, int32_t offset, BufferFlag flag) = 0;
97 
98     virtual DecoderAdapterCode GetOutputFormatDec(std::shared_ptr<DecoderFormatAdapter> format) = 0;
99 
100     virtual DecoderAdapterCode ReleaseOutputBufferDec(uint32_t index, bool isRender) = 0;
101 
102     virtual DecoderAdapterCode SetCallbackDec(const std::shared_ptr<DecoderCallbackAdapter> callback) = 0;
103 };
104 
105 } // namespace OHOS::NWeb
106 
107 #endif // MEDIA_CODEC_DECODER_ADAPTER_H
108