1 /** 2 * Copyright (C) 2022 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 IAUDIO_SOURCE_NODE_H_INCLUDED 18 #define IAUDIO_SOURCE_NODE_H_INCLUDED 19 20 #include <BaseNode.h> 21 #include <ImsMediaAudioSource.h> 22 #include <IFrameCallback.h> 23 24 /** 25 * @brief This class is interface between audio device and ims media packetization node 26 */ 27 class IAudioSourceNode : public BaseNode, IFrameCallback 28 { 29 public: 30 IAudioSourceNode(BaseSessionCallback* callback = nullptr); 31 virtual ~IAudioSourceNode(); 32 virtual kBaseNodeId GetNodeId(); 33 virtual ImsMediaResult ProcessStart(); 34 virtual void Stop(); 35 virtual bool IsRunTime(); 36 virtual bool IsRunTimeStart(); 37 virtual bool IsSourceNode(); 38 virtual void SetConfig(void* config); 39 virtual bool IsSameConfig(void* config); 40 41 /** 42 * @brief Uplink callback of audio invoked when the audio read the valid audio frames from the 43 * device 44 * 45 * @param buffer The data frame 46 * @param size The size of the data frame 47 * @param timestamp The timestamp of the data in milliseconds unit. 48 * @param flag The flags of the frame 49 */ 50 void onDataFrame(uint8_t* buffer, uint32_t size, int64_t timestamp, uint32_t flag); 51 52 /** 53 * @brief Change the bitrate with given cmr value 54 * 55 * @param cmr The cmr value to change. The value will be 0-7 for AMR, or 0-8 for AMR-WB. CMR 56 value 15 indicates that no mode request is present, and other values are for future use. 57 */ 58 void ProcessCmr(const uint32_t cmrType, const uint32_t cmrDefine = 0); 59 60 public: 61 bool mFirstFrame; 62 std::unique_ptr<ImsMediaAudioSource> mAudioSource; 63 int32_t mCodecType; 64 uint32_t mCodecMode; 65 uint32_t mRunningCodecMode; 66 int8_t mPtime; 67 kEvsBandwidth mEvsBandwidth; 68 int8_t mSamplingRate; 69 int8_t mEvsChAwOffset; 70 int32_t mMediaDirection; 71 bool mIsDtxEnabled; 72 bool mIsOctetAligned; 73 }; 74 75 #endif 76