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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 #include "avcodec_log.h"
17 #include "avcodec_errors.h"
18 #include "codeclist_builder.h"
19 #ifndef CLIENT_SUPPORT_CODEC
20 #include "hcodec_loader.h"
21 #endif
22 #include "codec_ability_singleton.h"
23 
24 namespace {
25 constexpr OHOS::HiviewDFX::HiLogLabel LABEL = {LOG_CORE, LOG_DOMAIN_FRAMEWORK, "CodecAbilitySingleton"};
26 constexpr int32_t MAX_SQR_FACTOR = 51;
27 }
28 
29 namespace OHOS {
30 namespace MediaAVCodec {
GetCodecLists()31 std::unordered_map<CodecType, std::shared_ptr<CodecListBase>> GetCodecLists()
32 {
33     std::unordered_map<CodecType, std::shared_ptr<CodecListBase>> codecLists;
34 #ifndef CLIENT_SUPPORT_CODEC
35     std::shared_ptr<CodecListBase> vcodecList = std::make_shared<VideoCodecList>();
36     codecLists.insert(std::make_pair(CodecType::AVCODEC_VIDEO_CODEC, vcodecList));
37     std::shared_ptr<CodecListBase> hevcDecoderList = std::make_shared<VideoHevcDecoderList>();
38     codecLists.insert(std::make_pair(CodecType::AVCODEC_VIDEO_HEVC_DECODER, hevcDecoderList));
39     std::shared_ptr<CodecListBase> avcEncoderList = std::make_shared<VideoAvcEncoderList>();
40     codecLists.insert(std::make_pair(CodecType::AVCODEC_VIDEO_AVC_ENCODER, avcEncoderList));
41 #endif
42     std::shared_ptr<CodecListBase> acodecList = std::make_shared<AudioCodecList>();
43     codecLists.insert(std::make_pair(CodecType::AVCODEC_AUDIO_CODEC, acodecList));
44     return codecLists;
45 }
46 
GetInstance()47 CodecAbilitySingleton &CodecAbilitySingleton::GetInstance()
48 {
49     static CodecAbilitySingleton instance;
50     return instance;
51 }
52 
CodecAbilitySingleton()53 CodecAbilitySingleton::CodecAbilitySingleton()
54 {
55 #ifndef CLIENT_SUPPORT_CODEC
56     std::vector<CapabilityData> videoCapaArray;
57     if (HCodecLoader::GetCapabilityList(videoCapaArray) == AVCS_ERR_OK) {
58         RegisterCapabilityArray(videoCapaArray, CodecType::AVCODEC_HCODEC);
59     }
60 #endif
61     std::unordered_map<CodecType, std::shared_ptr<CodecListBase>> codecLists = GetCodecLists();
62     for (auto iter = codecLists.begin(); iter != codecLists.end(); iter++) {
63         CodecType codecType = iter->first;
64         std::vector<CapabilityData> capaArray;
65         int32_t ret = iter->second->GetCapabilityList(capaArray);
66         if (ret == AVCS_ERR_OK) {
67             RegisterCapabilityArray(capaArray, codecType);
68         }
69     }
70     AVCODEC_LOGI("Succeed");
71 }
72 
~CodecAbilitySingleton()73 CodecAbilitySingleton::~CodecAbilitySingleton()
74 {
75     AVCODEC_LOGI("Succeed");
76 }
77 
IsCapabilityValid(const CapabilityData & cap)78 bool CodecAbilitySingleton::IsCapabilityValid(const CapabilityData &cap)
79 {
80     CHECK_AND_RETURN_RET_LOG(!cap.codecName.empty(), false, "codecName is empty");
81     CHECK_AND_RETURN_RET_LOG(cap.codecType > AVCodecType::AVCODEC_TYPE_NONE && cap.codecType <=
82         AVCodecType::AVCODEC_TYPE_AUDIO_DECODER, false, "codecType is invalid, %{public}d", cap.codecType);
83     CHECK_AND_RETURN_RET_LOG(!cap.mimeType.empty(), false, "mimeType is empty");
84     CHECK_AND_RETURN_RET_LOG(cap.maxInstance > 0, false, "maxInstance is invalid, %{public}d", cap.maxInstance);
85     if (cap.codecType == AVCodecType::AVCODEC_TYPE_VIDEO_ENCODER ||
86         cap.codecType == AVCodecType::AVCODEC_TYPE_VIDEO_DECODER) {
87         CHECK_AND_RETURN_RET_LOG(cap.width.minVal > 0 && cap.width.minVal <= cap.width.maxVal, false,
88             "width is invalid, range is [%{public}d, %{public}d]", cap.width.minVal, cap.width.maxVal);
89         CHECK_AND_RETURN_RET_LOG(cap.height.minVal > 0 && cap.height.minVal <= cap.height.maxVal, false,
90             "height is invalid, range is [%{public}d, %{public}d]", cap.height.minVal, cap.height.maxVal);
91     }
92     if (std::find(cap.bitrateMode.begin(), cap.bitrateMode.end(), SQR) != cap.bitrateMode.end()) {
93         CHECK_AND_RETURN_RET_LOG(cap.sqrFactor.maxVal <= MAX_SQR_FACTOR && cap.sqrFactor.minVal >= 0, false,
94             "sqrFactor is invalid, range is [%{public}d, %{public}d]", cap.sqrFactor.minVal, cap.sqrFactor.maxVal);
95     }
96     return true;
97 }
98 
RegisterCapabilityArray(std::vector<CapabilityData> & capaArray,CodecType codecType)99 void CodecAbilitySingleton::RegisterCapabilityArray(std::vector<CapabilityData> &capaArray, CodecType codecType)
100 {
101     std::lock_guard<std::mutex> lock(mutex_);
102     size_t beginIdx = capabilityDataArray_.size();
103     for (auto iter = capaArray.begin(); iter != capaArray.end(); iter++) {
104         if (!IsCapabilityValid(*iter)) {
105             AVCODEC_LOGE("cap is invalid, codecName is %{public}s", (*iter).codecName.c_str());
106             continue;
107         }
108         std::string mimeType = (*iter).mimeType;
109         std::vector<size_t> idxVec;
110         if (mimeCapIdxMap_.find(mimeType) == mimeCapIdxMap_.end()) {
111             mimeCapIdxMap_.insert(std::make_pair(mimeType, idxVec));
112         }
113         if ((*iter).profileLevelsMap.size() > MAX_MAP_SIZE) {
114             while ((*iter).profileLevelsMap.size() > MAX_MAP_SIZE) {
115                 auto rIter = (*iter).profileLevelsMap.end();
116                 (*iter).profileLevelsMap.erase(--rIter);
117             }
118             std::vector<int32_t> newProfiles;
119             (*iter).profiles.swap(newProfiles);
120             auto nIter = (*iter).profileLevelsMap.begin();
121             while (nIter != (*iter).profileLevelsMap.end()) {
122                 (*iter).profiles.emplace_back(nIter->first);
123                 nIter++;
124             }
125         }
126         while ((*iter).measuredFrameRate.size() > MAX_MAP_SIZE) {
127             auto rIter = (*iter).measuredFrameRate.end();
128             (*iter).measuredFrameRate.erase(--rIter);
129         }
130         capabilityDataArray_.emplace_back(*iter);
131         mimeCapIdxMap_.at(mimeType).emplace_back(beginIdx);
132         nameCodecTypeMap_.insert(std::make_pair((*iter).codecName, codecType));
133         beginIdx++;
134     }
135     AVCODEC_LOGD("Register capability successful");
136 }
137 
GetCapabilityArray()138 std::vector<CapabilityData> CodecAbilitySingleton::GetCapabilityArray()
139 {
140     std::lock_guard<std::mutex> lock(mutex_);
141     return capabilityDataArray_;
142 }
143 
GetCapabilityByName(const std::string & name)144 std::optional<CapabilityData> CodecAbilitySingleton::GetCapabilityByName(const std::string &name)
145 {
146     auto it = std::find_if(capabilityDataArray_.begin(), capabilityDataArray_.end(), [&](const CapabilityData &cap) {
147         return cap.codecName == name;
148     });
149     return it == capabilityDataArray_.end() ? std::nullopt : std::make_optional<CapabilityData>(*it);
150 }
151 
GetMimeByCodecName(const std::string & name)152 std::string CodecAbilitySingleton::GetMimeByCodecName(const std::string & name)
153 {
154     std::lock_guard<std::mutex> lock(mutex_);
155     for (const auto &cap : capabilityDataArray_) {
156         if (cap.codecName == name) {
157             return cap.mimeType;
158         }
159     }
160     return "";
161 }
162 
GetNameCodecTypeMap()163 std::unordered_map<std::string, CodecType> CodecAbilitySingleton::GetNameCodecTypeMap()
164 {
165     std::lock_guard<std::mutex> lock(mutex_);
166     return nameCodecTypeMap_;
167 }
168 
GetMimeCapIdxMap()169 std::unordered_map<std::string, std::vector<size_t>> CodecAbilitySingleton::GetMimeCapIdxMap()
170 {
171     std::lock_guard<std::mutex> lock(mutex_);
172     return mimeCapIdxMap_;
173 }
174 } // namespace MediaAVCodec
175 } // namespace OHOS
176