初步添加hls播放器

src/Http/HlsParser.h

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+/*
+ * Copyright (c) 2020 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 HTTP_HLSPARSER_H
+#define HTTP_HLSPARSER_H
+
+#include <string>
+#include <list>
+#include <map>
+using namespace std;
+namespace mediakit {
+
+typedef struct{
+    //url地址
+    string url;
+    //ts切片长度
+    float duration;
+
+    //////内嵌m3u8//////
+    //节目id
+    int program_id;
+    //带宽
+    int bandwidth;
+    //宽度
+    int width;
+    //高度
+    int height;
+} ts_segment;
+
+class HlsParser {
+public:
+    HlsParser(){}
+    ~HlsParser(){}
+    bool parse(const string &http_url,const string &m3u8);
+
+    /**
+     * 是否存在#EXTM3U字段，是否为m3u8文件
+     */
+    bool isM3u8() const;
+
+    /**
+     * #EXT-X-ALLOW-CACHE值，是否允许cache
+     */
+    bool allowCache() const;
+
+    /**
+     * 是否存在#EXT-X-ENDLIST字段，是否为直播
+     */
+    bool isLive() const ;
+
+    /**
+     * #EXT-X-VERSION值，版本号
+     */
+    int getVersion() const;
+
+    /**
+     * #EXT-X-TARGETDURATION字段值
+     */
+    int getTargetDur() const;
+
+    /**
+     * #EXT-X-MEDIA-SEQUENCE字段值，该m3u8序号
+     */
+    int getSequence() const;
+
+    /**
+     * 内部是否含有子m3u8
+     */
+    bool isM3u8Inner() const;
+
+protected:
+    //解析出ts文件地址回调
+    virtual void onParsed(bool is_m3u8_inner,int64_t sequence,const map<int,ts_segment> &ts_list) {};
+
+private:
+    bool _is_m3u8 = false;
+    bool _allow_cache = false;
+    bool _is_live = true;
+    int _version = 0;
+    int _target_dur = 0;
+    float _total_dur = 0;
+    int64_t _sequence = 0;
+    //每部是否有m3u8
+    bool _is_m3u8_inner = false;
+};
+
+}//namespace mediakit
+#endif //HTTP_HLSPARSER_H