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/**
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef IAUDIO_SOURCE_NODE_H_INCLUDED
#define IAUDIO_SOURCE_NODE_H_INCLUDED
#include <BaseNode.h>
#include <ImsMediaAudioSource.h>
#include <IFrameCallback.h>
/**
* @brief This class is interface between audio device and ims media packetization node
*/
class IAudioSourceNode : public BaseNode, IFrameCallback
{
public:
IAudioSourceNode(BaseSessionCallback* callback = nullptr);
virtual ~IAudioSourceNode();
virtual kBaseNodeId GetNodeId();
virtual ImsMediaResult ProcessStart();
virtual void Stop();
virtual bool IsRunTime();
virtual bool IsRunTimeStart();
virtual bool IsSourceNode();
virtual void SetConfig(void* config);
virtual bool IsSameConfig(void* config);
/**
* @brief Uplink callback of audio invoked when the audio read the valid audio frames from the
* device
*
* @param buffer The data frame
* @param size The size of the data frame
* @param timestamp The timestamp of the data in milliseconds unit.
* @param flag The flags of the frame
*/
void onDataFrame(uint8_t* buffer, uint32_t size, int64_t timestamp, uint32_t flag);
/**
* @brief Change the bitrate with given cmr value
*
* @param cmr The cmr value to change. The value will be 0-7 for AMR, or 0-8 for AMR-WB. CMR
value 15 indicates that no mode request is present, and other values are for future use.
*/
void ProcessCmr(uint32_t cmr);
public:
bool mFirstFrame;
std::unique_ptr<ImsMediaAudioSource> mAudioSource;
int32_t mCodecType;
uint32_t mCodecMode;
uint32_t mRunningCodecMode;
int8_t mPtime;
kEvsBandwidth mEvsBandwidth;
int8_t mSamplingRate;
int8_t mEvsChAwOffset;
int32_t mMediaDirection;
bool mIsDtxEnabled;
bool mIsOctetAligned;
};
#endif
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