ZLMediaKit/server/FFmpegSource.h

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/*
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* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
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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
* 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.
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*/
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#ifndef FFMPEG_SOURCE_H
#define FFMPEG_SOURCE_H
#include <mutex>
#include <memory>
#include <functional>
#include "Process.h"
#include "Util/TimeTicker.h"
#include "Common/MediaSource.h"
namespace FFmpeg {
extern const std::string kSnap;
extern const std::string kBin;
}
class FFmpegSnap {
public:
using onSnap = std::function<void(bool success, const std::string &err_msg)>;
/// 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 std::string &play_url, const std::string &save_path, float timeout_sec, const onSnap &cb);
private:
FFmpegSnap() = delete;
~FFmpegSnap() = delete;
};
class FFmpegSource : public std::enable_shared_from_this<FFmpegSource> , public mediakit::MediaSourceEventInterceptor{
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public:
using Ptr = std::shared_ptr<FFmpegSource>;
using onPlay = std::function<void(const toolkit::SockException &ex)>;
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FFmpegSource();
~FFmpegSource();
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/**
*
*/
void setOnClose(const std::function<void()> &cb);
/**
* url
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* @param ffmpeg_cmd_key FFmpeg拉流命令配置项key
* @param src_url FFmpeg拉流地址
* @param dst_url FFmpeg推流地址
* @param timeout_ms
* @param cb
*/
void play(const std::string &ffmpeg_cmd_key, const std::string &src_url, const std::string &dst_url, int timeout_ms, const onPlay &cb);
/**
*
* @param enable_hls hls直播或录制
* @param enable_mp4 mp4
*/
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void setupRecordFlag(bool enable_hls, bool enable_mp4);
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private:
void findAsync(int maxWaitMS ,const std::function<void(const mediakit::MediaSource::Ptr &src)> &cb);
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void startTimer(int timeout_ms);
void onGetMediaSource(const mediakit::MediaSource::Ptr &src);
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///////MediaSourceEvent override///////
// 关闭
bool close(mediakit::MediaSource &sender) override;
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// 获取媒体源类型
mediakit::MediaOriginType getOriginType(mediakit::MediaSource &sender) const override;
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//获取媒体源url或者文件路径
std::string getOriginUrl(mediakit::MediaSource &sender) const override;
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private:
bool _enable_hls = false;
bool _enable_mp4 = false;
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Process _process;
toolkit::Timer::Ptr _timer;
toolkit::EventPoller::Ptr _poller;
mediakit::MediaInfo _media_info;
std::string _src_url;
std::string _dst_url;
std::string _ffmpeg_cmd_key;
std::function<void()> _onClose;
toolkit::Ticker _replay_ticker;
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};
#endif //FFMPEG_SOURCE_H