ZLMediaKit/server/FFmpegSource.h
2020-05-09 00:06:36 +08:00

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/*
* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
*
* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
*
* Use of this source code is governed by MIT license that can be found in the
* LICENSE file in the root of the source tree. All contributing project authors
* may be found in the AUTHORS file in the root of the source tree.
*/
#ifndef FFMPEG_SOURCE_H
#define FFMPEG_SOURCE_H
#include <mutex>
#include <memory>
#include <functional>
#include "Process.h"
#include "Util/TimeTicker.h"
#include "Network/Socket.h"
#include "Common/MediaSource.h"
using namespace std;
using namespace toolkit;
using namespace mediakit;
namespace FFmpeg {
extern const string kSnap;
}
class FFmpegSnap {
public:
/// 创建截图
/// \param play_url 播放url地址只要FFmpeg支持即可
/// \param save_path 截图jpeg文件保存路径
/// \param timeout_sec 生成截图超时时间(防止阻塞太久)
/// \param cb 生成截图成功与否回调
static void makeSnap(const string &play_url, const string &save_path, float timeout_sec, const function<void(bool)> &cb);
private:
FFmpegSnap() = delete;
~FFmpegSnap() = delete;
};
class FFmpegSource : public std::enable_shared_from_this<FFmpegSource> , public MediaSourceEvent{
public:
typedef shared_ptr<FFmpegSource> Ptr;
typedef function<void(const SockException &ex)> onPlay;
FFmpegSource();
virtual ~FFmpegSource();
/**
* 设置主动关闭回调
* @param cb
*/
void setOnClose(const function<void()> &cb);
void play(const string &src_url,const string &dst_url,int timeout_ms,const onPlay &cb);
private:
void findAsync(int maxWaitMS ,const function<void(const MediaSource::Ptr &src)> &cb);
void startTimer(int timeout_ms);
void onGetMediaSource(const MediaSource::Ptr &src);
//MediaSourceEvent override
bool close(MediaSource &sender,bool force) override;
int totalReaderCount(MediaSource &sender) override;
private:
Process _process;
Timer::Ptr _timer;
EventPoller::Ptr _poller;
MediaInfo _media_info;
string _src_url;
string _dst_url;
function<void()> _onClose;
std::weak_ptr<MediaSourceEvent> _listener;
Ticker _replay_ticker;
};
#endif //FFMPEG_SOURCE_H