mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
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86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
/*
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* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
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*
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* This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).
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*
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* Use of this source code is governed by MIT license that can be found in the
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* LICENSE file in the root of the source tree. All contributing project authors
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* may be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef ZLMEDIAKIT_FACTORY_H
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#define ZLMEDIAKIT_FACTORY_H
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#include <string>
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#include "Rtmp/amf.h"
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#include "Extension/Track.h"
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#include "Rtsp/RtpCodec.h"
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#include "Rtmp/RtmpCodec.h"
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namespace mediakit{
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class Factory {
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public:
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////////////////////////////////rtsp相关//////////////////////////////////
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/**
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* 根据sdp生成Track对象
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*/
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static Track::Ptr getTrackBySdp(const SdpTrack::Ptr &track);
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/**
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* 根据c api 抽象的Track生成具体Track对象
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*/
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static Track::Ptr getTrackByAbstractTrack(const Track::Ptr& track);
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/**
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* 根据sdp生成rtp编码器
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* @param sdp sdp对象
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*/
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static RtpCodec::Ptr getRtpEncoderBySdp(const Sdp::Ptr &sdp);
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/**
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* 根据codec id生成rtp编码器
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* @param codec_id 编码id
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* @param sample_rate 采样率，视频固定为90000
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* @param pt rtp payload type
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* @param ssrc rtp ssrc
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*/
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static RtpCodec::Ptr getRtpEncoderByCodecId(CodecId codec_id, uint32_t sample_rate, uint8_t pt, uint32_t ssrc);
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/**
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* 根据Track生成Rtp解包器
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*/
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static RtpCodec::Ptr getRtpDecoderByTrack(const Track::Ptr &track);
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////////////////////////////////rtmp相关//////////////////////////////////
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/**
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* 根据amf对象获取视频相应的Track
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* @param amf rtmp metadata中的videocodecid的值
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*/
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static Track::Ptr getVideoTrackByAmf(const AMFValue &amf);
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/**
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* 根据amf对象获取音频相应的Track
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* @param amf rtmp metadata中的audiocodecid的值
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*/
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static Track::Ptr getAudioTrackByAmf(const AMFValue& amf, int sample_rate, int channels, int sample_bit);
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/**
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* 根据Track获取Rtmp的编解码器
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* @param track 媒体描述对象
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* @param is_encode 是否为编码器还是解码器
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*/
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static RtmpCodec::Ptr getRtmpCodecByTrack(const Track::Ptr &track, bool is_encode);
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/**
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* 根据codecId获取rtmp的codec描述
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*/
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static AMFValue getAmfByCodecId(CodecId codecId);
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};
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}//namespace mediakit
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#endif //ZLMEDIAKIT_FACTORY_H
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