1 /* 2 * Copyright (C) 2021-2022 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 A2DP_CODEC_FACTORY_H 17 #define A2DP_CODEC_FACTORY_H 18 19 #include <cstdint> 20 #include <list> 21 #include <map> 22 23 #include "a2dp_codec_config.h" 24 #include "a2dp_codec_constant.h" 25 #include "a2dp_codec_wrapper.h" 26 #include "base_def.h" 27 28 namespace OHOS { 29 namespace bluetooth { 30 // A2dpCodecFactory manage all codec 31 class A2dpCodecFactory { 32 public: 33 explicit A2dpCodecFactory(const std::map<A2dpCodecIndex, A2dpCodecPriority> &codecPriorities); 34 ~A2dpCodecFactory(); 35 36 bool Initialize(); 37 A2dpCodecConfig *GetCodecConfig() const; 38 A2dpCodecConfig *FindSourceCodec(const uint8_t *codeInfo) const; 39 A2dpCodecConfig *FindSinkCodec(const uint8_t *codeInfo) const; 40 std::list<A2dpCodecConfig *> GetIndexedSourceCodecs() const; 41 std::list<A2dpCodecConfig *> GetIndexedSinkCodecs() const; 42 43 bool SetCodecUserConfig(const A2dpCodecCapability &userConfig, const uint8_t *peerSinkCapabilities, 44 uint8_t *resultCodecInfo, bool *restartConfig); 45 bool SetSinkCodecConfig(const uint8_t *peerCodecInfo, uint8_t *resultCodecInfo); 46 bool SetCodecAudioConfig(const A2dpCodecCapability &audioConfig, const uint8_t *peerSinkCapabilities, 47 uint8_t *resultCodecInfo, bool *restartConfig); 48 bool SetCodecConfig(const uint8_t *peerCodecInfo, uint8_t *resultCodecInfo); 49 bool SetPeerSinkCodecCapabilities(const uint8_t *capabilities); 50 bool SetPeerSourceCodecCapabilities(const uint8_t *capabilities); 51 52 private: 53 BT_DISALLOW_COPY_AND_ASSIGN(A2dpCodecFactory); 54 bool ResetCodecUserConfig(void); 55 void UpdateCodecPriority( 56 const A2dpCodecCapability &userConfig, A2dpCodecConfig *a2dpCodecConfig, bool *restartConfig); 57 // A2DP Source codecs ordered by codec index 58 std::map<A2dpCodecIndex, A2dpCodecConfig *> indexedCodecs_ {}; 59 std::map<A2dpCodecIndex, A2dpCodecConfig *> disabledCodecs_ {}; 60 std::map<A2dpCodecIndex, A2dpCodecPriority> codecPriorities_; 61 A2dpCodecConfig *currentCodecConfig_; // Currently selected codec 62 A2dpCodecConfig *lastCodecConfig_; // last selected codec 63 // A2DP Source codecs ordered by priority 64 std::list<A2dpCodecConfig *> indexedSourceCodecs_ {}; 65 // A2DP Sink codecs ordered by priority 66 std::list<A2dpCodecConfig *> indexedSinkCodecs_ {}; 67 }; 68 } // namespace bluetooth 69 } // namespace OHOS 70 #endif // A2DP_CODEC_FACTORY_H 71