mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-23 19:20:53 +08:00
68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
/*
|
|
* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
|
|
*
|
|
* This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).
|
|
*
|
|
* Use of this source code is governed by MIT license that can be found in the
|
|
* LICENSE file in the root of the source tree. All contributing project authors
|
|
* may be found in the AUTHORS file in the root of the source tree.
|
|
*/
|
|
|
|
#include "L16.h"
|
|
|
|
namespace mediakit{
|
|
|
|
/**
|
|
* L16类型SDP
|
|
*/
|
|
class L16Sdp : public Sdp {
|
|
public:
|
|
/**
|
|
* L16采样位数固定为16位
|
|
* @param codecId CodecL16
|
|
* @param sample_rate 音频采样率
|
|
* @param payload_type rtp payload
|
|
* @param bitrate 比特率
|
|
*/
|
|
L16Sdp(CodecId codecId,
|
|
int sample_rate,
|
|
int channels,
|
|
int bitrate = 128,
|
|
int payload_type = 98) : Sdp(sample_rate,payload_type), _codecId(codecId){
|
|
_printer << "m=audio 0 RTP/AVP " << payload_type << "\r\n";
|
|
if (bitrate) {
|
|
_printer << "b=AS:" << bitrate << "\r\n";
|
|
}
|
|
_printer << "a=rtpmap:" << payload_type << " L16/" << sample_rate << "/" << channels << "\r\n";
|
|
_printer << "a=control:trackID=" << (int)TrackAudio << "\r\n";
|
|
}
|
|
|
|
string getSdp() const override {
|
|
return _printer;
|
|
}
|
|
|
|
CodecId getCodecId() const override {
|
|
return _codecId;
|
|
}
|
|
private:
|
|
_StrPrinter _printer;
|
|
CodecId _codecId;
|
|
};
|
|
|
|
Sdp::Ptr L16Track::getSdp() {
|
|
WarnL << "Enter L16Track::getSdp function";
|
|
if(!ready()){
|
|
WarnL << getCodecName() << " Track未准备好";
|
|
return nullptr;
|
|
}
|
|
return std::make_shared<L16Sdp>(getCodecId(), getAudioSampleRate(), getAudioChannel(), getBitRate() / 1024);
|
|
}
|
|
|
|
Track::Ptr L16Track::clone() {
|
|
return std::make_shared<std::remove_reference<decltype(*this)>::type >(*this);
|
|
}
|
|
|
|
}//namespace mediakit
|
|
|
|
|