mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-26 12:37:09 +08:00
115 lines
3.1 KiB
C++
115 lines
3.1 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_HLSMEDIASOURCE_H
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#define ZLMEDIAKIT_HLSMEDIASOURCE_H
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#include <atomic>
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#include "Util/TimeTicker.h"
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#include "Common/MediaSource.h"
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namespace mediakit{
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class HlsMediaSource : public MediaSource {
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public:
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friend class HlsCookieData;
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typedef RingBuffer<string> RingType;
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typedef std::shared_ptr<HlsMediaSource> Ptr;
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HlsMediaSource(const string &vhost, const string &app, const string &stream_id) : MediaSource(HLS_SCHEMA, vhost, app, stream_id){}
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~HlsMediaSource() override = default;
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/**
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* 获取媒体源的环形缓冲
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*/
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const RingType::Ptr &getRing() const {
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return _ring;
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}
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/**
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* 获取播放器个数
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*/
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int readerCount() override {
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return _ring ? _ring->readerCount() : 0;
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}
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/**
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* 生成m3u8文件时触发
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* @param file_created 是否产生了hls文件
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*/
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void registHls(bool file_created){
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if (!_is_regist) {
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_is_regist = true;
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weak_ptr<HlsMediaSource> weakSelf = dynamic_pointer_cast<HlsMediaSource>(shared_from_this());
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auto lam = [weakSelf](int size) {
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auto strongSelf = weakSelf.lock();
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if (!strongSelf) {
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return;
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}
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strongSelf->onReaderChanged(size);
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};
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_ring = std::make_shared<RingType>(0, std::move(lam));
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onReaderChanged(0);
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regist();
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}
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if (!file_created) {
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//没产生文件
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return;
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}
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//m3u8文件生成，发送给播放器
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decltype(_list_cb) copy;
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{
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lock_guard<mutex> lck(_mtx_cb);
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copy.swap(_list_cb);
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}
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copy.for_each([](const function<void()> &cb) {
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cb();
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});
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}
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void waitForFile(function<void()> cb) {
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//等待生成m3u8文件
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lock_guard<mutex> lck(_mtx_cb);
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_list_cb.emplace_back(std::move(cb));
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}
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void onSegmentSize(size_t bytes) {
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_speed[TrackVideo] += bytes;
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}
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private:
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bool _is_regist = false;
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RingType::Ptr _ring;
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mutex _mtx_cb;
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List<function<void()> > _list_cb;
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};
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class HlsCookieData{
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public:
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typedef std::shared_ptr<HlsCookieData> Ptr;
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HlsCookieData(const MediaInfo &info, const std::shared_ptr<SockInfo> &sock_info);
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~HlsCookieData();
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void addByteUsage(size_t bytes);
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private:
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void addReaderCount();
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private:
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atomic<uint64_t> _bytes {0};
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MediaInfo _info;
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std::shared_ptr<bool> _added;
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Ticker _ticker;
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std::shared_ptr<SockInfo> _sock_info;
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HlsMediaSource::RingType::RingReader::Ptr _ring_reader;
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};
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}//namespace mediakit
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#endif //ZLMEDIAKIT_HLSMEDIASOURCE_H
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