ZLMediaKit/server/FFmpegSource.h
2021-01-23 09:42:15 +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/xia-chu/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 MediaSourceEventInterceptor{
public:
typedef shared_ptr<FFmpegSource> Ptr;
typedef function<void(const SockException &ex)> onPlay;
FFmpegSource();
~FFmpegSource();
/**
* 设置主动关闭回调
*/
void setOnClose(const function<void()> &cb);
/**
* 开始播放url
* @param ffmpeg_cmd_key FFmpeg拉流命令配置项key用户可以在配置文件中同时设置多个命令参数模板
* @param src_url FFmpeg拉流地址
* @param dst_url FFmpeg推流地址
* @param timeout_ms 等待结果超时时间,单位毫秒
* @param cb 成功与否回调
*/
void play(const string &ffmpeg_cmd_key, const string &src_url, const string &dst_url, int timeout_ms, const onPlay &cb);
/**
* 设置录制
* @param enable_hls 是否开启hls直播或录制
* @param enable_mp4 是否录制mp4
*/
void setupRecordFlag(bool enable_hls, bool enable_mp4);
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///////
// 关闭
bool close(MediaSource &sender,bool force) override;
// 获取媒体源类型
MediaOriginType getOriginType(MediaSource &sender) const override;
//获取媒体源url或者文件路径
string getOriginUrl(MediaSource &sender) const override;
// 获取媒体源客户端相关信息
std::shared_ptr<SockInfo> getOriginSock(MediaSource &sender) const override;
private:
bool _enable_hls = false;
bool _enable_mp4 = false;
Process _process;
Timer::Ptr _timer;
EventPoller::Ptr _poller;
MediaInfo _media_info;
string _src_url;
string _dst_url;
string _ffmpeg_cmd_key;
function<void()> _onClose;
Ticker _replay_ticker;
};
#endif //FFMPEG_SOURCE_H