mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-29 22:55:52 +08:00
145 lines
4.1 KiB
C++
145 lines
4.1 KiB
C++
/*
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* Copyright (c) 2020 The ZLMediaKit project authors. All Rights Reserved.
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*
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* This file is part of ZLMediaKit(https://github.com/xiongziliang/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 HTTP_HLSPLAYER_H
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#define HTTP_HLSPLAYER_H
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#include <unordered_set>
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#include "Util/util.h"
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#include "Poller/Timer.h"
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#include "Http/HttpDownloader.h"
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#include "Player/MediaPlayer.h"
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#include "HlsParser.h"
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#include "HttpTSPlayer.h"
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#include "Rtp/Decoder.h"
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#include "Rtp/TSDecoder.h"
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using namespace toolkit;
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namespace mediakit {
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class HlsPlayer : public HttpClientImp , public PlayerBase , public HlsParser{
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public:
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HlsPlayer(const EventPoller::Ptr &poller);
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~HlsPlayer() override;
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/**
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* 开始播放
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* @param strUrl
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*/
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void play(const string &strUrl) override;
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/**
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* 停止播放
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*/
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void teardown() override;
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protected:
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/**
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* 收到ts包
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* @param data ts数据负载
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* @param len ts包长度
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*/
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virtual void onPacket(const char *data, uint64_t len) = 0;
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private:
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/**
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* 解析m3u8成功
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* @param is_m3u8_inner 是否为m3u8列表
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* @param sequence ts列表seq
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* @param ts_map ts列表或m3u8列表
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*/
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void onParsed(bool is_m3u8_inner,int64_t sequence,const map<int,ts_segment> &ts_map) override;
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/**
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* 收到http回复头
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* @param status 状态码，譬如:200 OK
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* @param headers http头
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* @return 返回后续content的长度；-1:后续数据全是content；>=0:固定长度content
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* 需要指出的是，在http头中带有Content-Length字段时，该返回值无效
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*/
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int64_t onResponseHeader(const string &status,const HttpHeader &headers) override;
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/**
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* 收到http conten数据
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* @param buf 数据指针
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* @param size 数据大小
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* @param recvedSize 已收数据大小(包含本次数据大小),当其等于totalSize时将触发onResponseCompleted回调
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* @param totalSize 总数据大小
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*/
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void onResponseBody(const char *buf,int64_t size,int64_t recvedSize,int64_t totalSize) override;
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/**
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* 接收http回复完毕,
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*/
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void onResponseCompleted() override;
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/**
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* http链接断开回调
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* @param ex 断开原因
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*/
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void onDisconnect(const SockException &ex) override;
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/**
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* 重定向事件
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* @param url 重定向url
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* @param temporary 是否为临时重定向
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* @return 是否继续
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*/
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bool onRedirectUrl(const string &url,bool temporary) override;
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private:
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void playDelay();
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float delaySecond();
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void playNextTs(bool force = false);
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void teardown_l(const SockException &ex);
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void play_l();
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void onPacket_l(const char *data, uint64_t len);
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private:
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struct UrlComp {
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//url忽略？后面的参数
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bool operator()(const string& __x, const string& __y) const {
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return split(__x,"?")[0] < split(__y,"?")[0];
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}
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};
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private:
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bool _is_m3u8 = false;
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bool _first = true;
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int64_t _last_sequence = -1;
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string _m3u8;
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Timer::Ptr _timer;
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Timer::Ptr _timer_ts;
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list<ts_segment> _ts_list;
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list<string> _ts_url_sort;
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list<string> _m3u8_list;
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set<string, UrlComp> _ts_url_cache;
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HttpTSPlayer::Ptr _http_ts_player;
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TSSegment _segment;
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};
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class HlsPlayerImp : public PlayerImp<HlsPlayer, PlayerBase> , public MediaSink{
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public:
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typedef std::shared_ptr<HlsPlayerImp> Ptr;
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HlsPlayerImp(const EventPoller::Ptr &poller = nullptr);
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~HlsPlayerImp() override {};
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void setOnPacket(const TSSegment::onSegment &cb);
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private:
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void onPacket(const char *data, uint64_t len) override;
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void onAllTrackReady() override;
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void onPlayResult(const SockException &ex) override;
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vector<Track::Ptr> getTracks(bool trackReady = true) const override;
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private:
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TSSegment::onSegment _on_ts;
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DecoderImp::Ptr _decoder;
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};
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}//namespace mediakit
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#endif //HTTP_HLSPLAYER_H
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