mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-22 19:00:01 +08:00
121 lines
3.8 KiB
C++
121 lines
3.8 KiB
C++
/*
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* Copyright (c) 2016-present The ZLMediaKit project authors. All Rights Reserved.
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*
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* This file is part of ZLMediaKit(https://github.com/ZLMediaKit/ZLMediaKit).
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*
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* Use of this source code is governed by MIT-like 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 "Extension/Frame.h"
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#include "Rtsp/RtpCodec.h"
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#include "Rtmp/RtmpCodec.h"
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#include "Util/onceToken.h"
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#define REGISTER_STATIC_VAR_INNER(var_name, line) var_name##_##line##__
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#define REGISTER_STATIC_VAR(var_name, line) REGISTER_STATIC_VAR_INNER(var_name, line)
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#define REGISTER_CODEC(plugin) \
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static toolkit::onceToken REGISTER_STATIC_VAR(s_token, __LINE__) ([]() { \
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Factory::registerPlugin(plugin); \
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});
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namespace mediakit {
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struct CodecPlugin {
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CodecId (*getCodec)();
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Track::Ptr (*getTrackByCodecId)(int sample_rate, int channels, int sample_bit);
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Track::Ptr (*getTrackBySdp)(const SdpTrack::Ptr &track);
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RtpCodec::Ptr (*getRtpEncoderByCodecId)(uint8_t pt);
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RtpCodec::Ptr (*getRtpDecoderByCodecId)();
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RtmpCodec::Ptr (*getRtmpEncoderByTrack)(const Track::Ptr &track);
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RtmpCodec::Ptr (*getRtmpDecoderByTrack)(const Track::Ptr &track);
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Frame::Ptr (*getFrameFromPtr)(const char *data, size_t bytes, uint64_t dts, uint64_t pts);
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};
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class Factory {
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public:
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/**
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* 注册插件，非线程安全的
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*/
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static void registerPlugin(const CodecPlugin &plugin);
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/**
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* 根据codec_id 获取track
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* @param codecId 编码id
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* @param sample_rate 采样率，视频固定为90000
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* @param channels 音频通道数
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* @param sample_bit 音频采样位数
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*/
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static Track::Ptr getTrackByCodecId(CodecId codecId, int sample_rate = 0, int channels = 0, int sample_bit = 0);
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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codec id生成rtp编码器
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* @param codec_id 编码id
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* @param pt rtp payload type
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*/
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static RtpCodec::Ptr getRtpEncoderByCodecId(CodecId codec_id, uint8_t pt);
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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 getRtpDecoderByCodecId(CodecId codec);
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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的编码器
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* @param track 媒体描述对象
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*/
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static RtmpCodec::Ptr getRtmpEncoderByTrack(const Track::Ptr &track);
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/**
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* 根据Track获取Rtmp的解码器
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* @param track 媒体描述对象
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*/
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static RtmpCodec::Ptr getRtmpDecoderByTrack(const Track::Ptr &track);
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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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static Frame::Ptr getFrameFromPtr(CodecId codec, const char *data, size_t size, uint64_t dts, uint64_t pts);
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static Frame::Ptr getFrameFromBuffer(CodecId codec, toolkit::Buffer::Ptr data, uint64_t dts, uint64_t pts);
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};
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}//namespace mediakit
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#endif //ZLMEDIAKIT_FACTORY_H
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