PusherBase.h

/*
* MIT License
*
* Copyright (c) 2016-2019 xiongziliang <771730766@qq.com>
*
* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/

#ifndef SRC_PUSHER_PUSHERBASE_H_
#define SRC_PUSHER_PUSHERBASE_H_

#include <map>
#include <memory>
#include <string>
#include <functional>
#include "Network/Socket.h"
#include "Util/mini.h"
#include "Common/MediaSource.h"
using namespace toolkit;

namespace mediakit {


class PusherBase : public mINI{
public:
    typedef std::shared_ptr<PusherBase> Ptr;
    typedef std::function<void(const SockException &ex)> Event;

    static Ptr createPusher(const EventPoller::Ptr &poller,
                            const MediaSource::Ptr &src,
                            const string &strUrl);

    PusherBase();
    virtual ~PusherBase(){}

    /**
     * 开始推流
     * @param strUrl 视频url，支持rtsp/rtmp
     */
    virtual void publish(const string &strUrl) = 0;

    /**
     * 中断推流
     */
    virtual void teardown() = 0;

    /**
     * 摄像推流结果回调
     * @param onPublished
     */
    virtual void setOnPublished(const Event &cb) = 0;

    /**
     * 设置断开回调
     * @param onShutdown
     */
    virtual void setOnShutdown(const Event &cb) = 0;
};

template<typename Parent,typename Delegate>
class PusherImp : public Parent {
public:
    typedef std::shared_ptr<PusherImp> Ptr;

    template<typename ...ArgsType>
    PusherImp(ArgsType &&...args):Parent(std::forward<ArgsType>(args)...){}

    virtual ~PusherImp(){}

    /**
     * 开始推流
     * @param strUrl 推流url，支持rtsp/rtmp
     */
    void publish(const string &strUrl) override{
        if (_delegate) {
            _delegate->publish(strUrl);
        }
    }

    /**
     * 中断推流
     */
    void teardown() override{
        if (_delegate) {
            _delegate->teardown();
        }
    }

    /**
     * 摄像推流结果回调
     * @param onPublished
     */
    void setOnPublished(const PusherBase::Event &cb) override{
        if (_delegate) {
            _delegate->setOnPublished(cb);
        }
        _publishCB = cb;
    }

    /**
     * 设置断开回调
     * @param onShutdown
     */
    void setOnShutdown(const PusherBase::Event &cb) override{
        if (_delegate) {
            _delegate->setOnShutdown(cb);
        }
        _shutdownCB = cb;
    }
protected:
    PusherBase::Event _shutdownCB;
    PusherBase::Event _publishCB;
    std::shared_ptr<Delegate> _delegate;
};


} /* namespace mediakit */

#endif /* SRC_PUSHER_PUSHERBASE_H_ */