{"id":46640,"date":"2025-07-30T03:47:10","date_gmt":"2025-07-29T19:47:10","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/46640.html"},"modified":"2025-07-30T03:47:10","modified_gmt":"2025-07-29T19:47:10","slug":"java%e5%ae%9e%e7%8e%b0%e5%9f%ba%e4%ba%8e%e9%98%bf%e9%87%8c%e4%ba%91oss%e5%92%8cffmpeg%e7%9a%84%e5%ae%9e%e6%97%b6%e8%a7%86%e9%a2%91%e7%82%b9%e6%92%ad%e6%9c%8d%e5%8a%a1%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/46640.html","title":{"rendered":"Java\u5b9e\u73b0\u57fa\u4e8e\u963f\u91cc\u4e91OSS\u548cFFmpeg\u7684\u5b9e\u65f6\u89c6\u9891\u70b9\u64ad\u670d\u52a1\u5668"},"content":{"rendered":"<h2>Java\u5b9e\u73b0\u57fa\u4e8e\u963f\u91cc\u4e91OSS\u548cFFmpeg\u7684\u5b9e\u65f6\u89c6\u9891\u70b9\u64ad\u670d\u52a1\u5668<\/h2>\n<p>\u9488\u5bf9\u4f60\u7684\u9700\u6c42&#xff08;\u963f\u91cc\u4e91OSS\u5b58\u50a8\u89c6\u9891\u6587\u4ef6&#xff0c;\u963f\u91cc\u4e91ECS\u90e8\u7f72\u670d\u52a1&#xff0c;\u5b9e\u65f6\u4f7f\u7528FFmpeg\u5904\u7406\u800c\u4e0d\u63d0\u524d\u8f6c\u7801&#xff09;&#xff0c;\u6211\u5c06\u63d0\u4f9b\u4e00\u4e2a\u5b8c\u6574\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<h3>\u65b9\u6848\u6982\u8ff0<\/h3>\n<li>\u67b6\u6784&#xff1a;\u524d\u7aef\u8bf7\u6c42 \u2192 Java\u670d\u52a1\u9a8c\u8bc1 \u2192 \u52a8\u6001\u8c03\u7528FFmpeg\u5904\u7406 \u2192 \u8fd4\u56de\u5904\u7406\u540e\u7684\u6d41<\/li>\n<li>\u7279\u70b9&#xff1a;\n<ul>\n<li>\u4e0d\u9700\u8981\u9884\u5148\u8f6c\u7801\u6240\u6709\u89c6\u9891<\/li>\n<li>\u6309\u9700\u5b9e\u65f6\u5904\u7406<\/li>\n<li>\u5229\u7528\u963f\u91cc\u4e91\u5185\u7f51\u5e26\u5bbd&#xff08;OSS\u4e0eECS\u5728\u540c\u4e00\u533a\u57df&#xff09;<\/li>\n<li>\u652f\u6301HLS(TS)\u683c\u5f0f\u8f93\u51fa<\/li>\n<\/ul>\n<\/li>\n<h3>1. \u73af\u5883\u51c6\u5907<\/h3>\n<h4>1.1 \u5b89\u88c5FFmpeg<\/h4>\n<p>\u5728ECS\u670d\u52a1\u5668\u4e0a\u5b89\u88c5FFmpeg&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u5bf9\u4e8eUbuntu\/Debian<\/span><br \/>\n<span class=\"token function\">sudo<\/span> <span class=\"token function\">apt-get<\/span> update<br \/>\n<span class=\"token function\">sudo<\/span> <span class=\"token function\">apt-get<\/span> <span class=\"token function\">install<\/span> ffmpeg<\/p>\n<p><span class=\"token comment\"># \u5bf9\u4e8eCentOS\/RHEL<\/span><br \/>\n<span class=\"token function\">sudo<\/span> yum <span class=\"token function\">install<\/span> epel-release<br \/>\n<span class=\"token function\">sudo<\/span> yum <span class=\"token function\">install<\/span> ffmpeg ffmpeg-devel<\/p>\n<h4>1.2 \u6dfb\u52a0\u963f\u91cc\u4e91OSS SDK\u4f9d\u8d56<\/h4>\n<p><span class=\"token comment\">&lt;!&#8211; Maven\u4f9d\u8d56 &#8211;&gt;<\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>com.aliyun.oss<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>aliyun-sdk-oss<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>3.15.1<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><\/p>\n<h3>2. \u6838\u5fc3\u5b9e\u73b0\u4ee3\u7801<\/h3>\n<h4>2.1 \u914d\u7f6e\u7c7b<\/h4>\n<p><span class=\"token annotation punctuation\">&#064;Configuration<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">OSSConfig<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Value<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;${aliyun.oss.endpoint}&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> endpoint<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Value<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;${aliyun.oss.accessKeyId}&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> accessKeyId<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Value<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;${aliyun.oss.accessKeySecret}&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> accessKeySecret<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Value<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;${aliyun.oss.bucketName}&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> bucketName<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Bean<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">OSS<\/span> <span class=\"token function\">ossClient<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">OSSClientBuilder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span>endpoint<span class=\"token punctuation\">,<\/span> accessKeyId<span class=\"token punctuation\">,<\/span> accessKeySecret<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Bean<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">bucketName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> bucketName<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>2.2 \u89c6\u9891\u5904\u7406\u670d\u52a1<\/h4>\n<p><span class=\"token annotation punctuation\">&#064;Service<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">VideoStreamingService<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">Logger<\/span> logger <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">LoggerFactory<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getLogger<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">VideoStreamingService<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">class<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">OSS<\/span> ossClient<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> bucketName<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u4e34\u65f6\u5904\u7406\u76ee\u5f55<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">String<\/span> tempDir <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getProperty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;java.io.tmpdir&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;\/video_stream\/&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">VideoStreamingService<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u521b\u5efa\u4e34\u65f6\u76ee\u5f55<\/span><br \/>\n        <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">File<\/span><span class=\"token punctuation\">(<\/span>tempDir<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">mkdirs<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u83b7\u53d6\u89c6\u9891\u6d41\u5e76\u8f6c\u6362\u4e3aHLS\u683c\u5f0f<br \/>\n     * &#064;param ossKey OSS\u4e0a\u7684\u89c6\u9891\u6587\u4ef6\u8def\u5f84<br \/>\n     * &#064;param segmentDuration \u6bcf\u4e2aTS\u7247\u6bb5\u7684\u6301\u7eed\u65f6\u95f4(\u79d2)<br \/>\n     * &#064;return \u5305\u542bm3u8\u548cts\u6587\u4ef6\u7684\u4e34\u65f6\u76ee\u5f55<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">File<\/span> <span class=\"token function\">processVideoToHLS<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> ossKey<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> segmentDuration<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">IOException<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">InterruptedException<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ 1. \u4e0b\u8f7d\u89c6\u9891\u5230\u4e34\u65f6\u6587\u4ef6<\/span><br \/>\n        <span class=\"token class-name\">File<\/span> inputFile <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">File<\/span><span class=\"token punctuation\">(<\/span>tempDir <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;input_&#034;<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">currentTimeMillis<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">InputStream<\/span> ossStream <span class=\"token operator\">&#061;<\/span> ossClient<span class=\"token punctuation\">.<\/span><span class=\"token function\">getObject<\/span><span class=\"token punctuation\">(<\/span>bucketName<span class=\"token punctuation\">,<\/span> ossKey<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getObjectContent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n             <span class=\"token class-name\">FileOutputStream<\/span> fileStream <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FileOutputStream<\/span><span class=\"token punctuation\">(<\/span>inputFile<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\">IOUtils<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">copy<\/span><span class=\"token punctuation\">(<\/span>ossStream<span class=\"token punctuation\">,<\/span> fileStream<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 2. \u521b\u5efa\u8f93\u51fa\u76ee\u5f55<\/span><br \/>\n        <span class=\"token class-name\">File<\/span> outputDir <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">File<\/span><span class=\"token punctuation\">(<\/span>tempDir <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;hls_&#034;<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">currentTimeMillis<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        outputDir<span class=\"token punctuation\">.<\/span><span class=\"token function\">mkdirs<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 3. \u6784\u5efaFFmpeg\u547d\u4ee4<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> outputPattern <span class=\"token operator\">&#061;<\/span> outputDir<span class=\"token punctuation\">.<\/span><span class=\"token function\">getAbsolutePath<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;\/segment_%03d.ts&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> m3u8File <span class=\"token operator\">&#061;<\/span> outputDir<span class=\"token punctuation\">.<\/span><span class=\"token function\">getAbsolutePath<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;\/playlist.m3u8&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> command <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ArrayList<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        command<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ffmpeg&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        command<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;-i&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> command<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>inputFile<span class=\"token punctuation\">.<\/span><span class=\"token function\">getAbsolutePath<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        command<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;-c:v&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> command<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;libx264&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ H.264\u7f16\u7801<\/span><br \/>\n        command<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;-c:a&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> command<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;aac&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/ AAC\u97f3\u9891<\/span><br \/>\n        command<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;-f&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> command<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;hls&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>      <span class=\"token comment\">\/\/ HLS\u683c\u5f0f<\/span><br \/>\n        command<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;-hls_time&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> command<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">valueOf<\/span><span class=\"token punctuation\">(<\/span>segmentDuration<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        command<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;-hls_playlist_type&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> command<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;event&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        command<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;-hls_segment_filename&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> command<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>outputPattern<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        command<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>m3u8File<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 4. \u6267\u884cFFmpeg\u547d\u4ee4<\/span><br \/>\n        <span class=\"token class-name\">ProcessBuilder<\/span> processBuilder <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ProcessBuilder<\/span><span class=\"token punctuation\">(<\/span>command<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        processBuilder<span class=\"token punctuation\">.<\/span><span class=\"token function\">redirectErrorStream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">Process<\/span> process <span class=\"token operator\">&#061;<\/span> processBuilder<span class=\"token punctuation\">.<\/span><span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8bfb\u53d6\u8f93\u51fa&#xff08;\u53ef\u9009&#xff0c;\u7528\u4e8e\u8c03\u8bd5&#xff09;<\/span><br \/>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">BufferedReader<\/span> reader <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">BufferedReader<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">InputStreamReader<\/span><span class=\"token punctuation\">(<\/span>process<span class=\"token punctuation\">.<\/span><span class=\"token function\">getInputStream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\">String<\/span> line<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>line <span class=\"token operator\">&#061;<\/span> reader<span class=\"token punctuation\">.<\/span><span class=\"token function\">readLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                logger<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;FFmpeg output: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> line<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">int<\/span> exitCode <span class=\"token operator\">&#061;<\/span> process<span class=\"token punctuation\">.<\/span><span class=\"token function\">waitFor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>exitCode <span class=\"token operator\">!&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">throw<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">RuntimeException<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;FFmpeg processing failed with exit code &#034;<\/span> <span class=\"token operator\">&#043;<\/span> exitCode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 5. \u6e05\u7406\u4e34\u65f6\u8f93\u5165\u6587\u4ef6<\/span><br \/>\n        inputFile<span class=\"token punctuation\">.<\/span><span class=\"token function\">delete<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> outputDir<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u83b7\u53d6\u5355\u4e2aTS\u7247\u6bb5<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">File<\/span> <span class=\"token function\">getTSSegment<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">File<\/span> hlsDir<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span> segmentName<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">File<\/span><span class=\"token punctuation\">(<\/span>hlsDir<span class=\"token punctuation\">,<\/span> segmentName<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u83b7\u53d6m3u8\u64ad\u653e\u5217\u8868<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">File<\/span> <span class=\"token function\">getPlaylist<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">File<\/span> hlsDir<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">File<\/span><span class=\"token punctuation\">(<\/span>hlsDir<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;playlist.m3u8&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>2.3 \u63a7\u5236\u5668\u5b9e\u73b0<\/h4>\n<p><span class=\"token annotation punctuation\">&#064;RestController<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;RequestMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/api\/stream&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">StreamingController<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">VideoStreamingService<\/span> streamingService<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u7f13\u5b58\u5df2\u5904\u7406\u7684\u89c6\u9891\u76ee\u5f55&#xff0c;\u907f\u514d\u91cd\u590d\u5904\u7406<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">ConcurrentHashMap<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">File<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> processedVideos <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ConcurrentHashMap<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u83b7\u53d6m3u8\u64ad\u653e\u5217\u8868<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;GetMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/{ossKey}\/playlist.m3u8&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">ResponseEntity<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Resource<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">getPlaylist<\/span><span class=\"token punctuation\">(<\/span><br \/>\n            <span class=\"token annotation punctuation\">&#064;PathVariable<\/span> <span class=\"token class-name\">String<\/span> ossKey<span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token annotation punctuation\">&#064;RequestParam<\/span><span class=\"token punctuation\">(<\/span>defaultValue <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;10&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">int<\/span> segmentDuration<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u68c0\u67e5\u662f\u5426\u5df2\u5904\u7406\u8fc7<\/span><br \/>\n            <span class=\"token class-name\">File<\/span> hlsDir <span class=\"token operator\">&#061;<\/span> processedVideos<span class=\"token punctuation\">.<\/span><span class=\"token function\">computeIfAbsent<\/span><span class=\"token punctuation\">(<\/span>ossKey<span class=\"token punctuation\">,<\/span> k <span class=\"token operator\">-&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token keyword\">return<\/span> streamingService<span class=\"token punctuation\">.<\/span><span class=\"token function\">processVideoToHLS<\/span><span class=\"token punctuation\">(<\/span>ossKey<span class=\"token punctuation\">,<\/span> segmentDuration<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Exception<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token keyword\">throw<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">RuntimeException<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Failed to process video&#034;<\/span><span class=\"token punctuation\">,<\/span> e<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token class-name\">File<\/span> playlist <span class=\"token operator\">&#061;<\/span> streamingService<span class=\"token punctuation\">.<\/span><span class=\"token function\">getPlaylist<\/span><span class=\"token punctuation\">(<\/span>hlsDir<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">Resource<\/span> resource <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FileSystemResource<\/span><span class=\"token punctuation\">(<\/span>playlist<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">ResponseEntity<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">ok<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">contentType<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">MediaType<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">valueOf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;application\/vnd.apple.mpegurl&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">body<\/span><span class=\"token punctuation\">(<\/span>resource<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Exception<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">ResponseEntity<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">status<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpStatus<\/span><span class=\"token punctuation\">.<\/span>INTERNAL_SERVER_ERROR<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u83b7\u53d6TS\u7247\u6bb5<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;GetMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/{ossKey}\/{segmentName:segment_\\\\\\\\d&#043;\\\\\\\\.ts}&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">ResponseEntity<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Resource<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">getSegment<\/span><span class=\"token punctuation\">(<\/span><br \/>\n            <span class=\"token annotation punctuation\">&#064;PathVariable<\/span> <span class=\"token class-name\">String<\/span> ossKey<span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token annotation punctuation\">&#064;PathVariable<\/span> <span class=\"token class-name\">String<\/span> segmentName<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u786e\u4fdd\u89c6\u9891\u5df2\u5904\u7406<\/span><br \/>\n            <span class=\"token class-name\">File<\/span> hlsDir <span class=\"token operator\">&#061;<\/span> processedVideos<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>ossKey<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>hlsDir <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">||<\/span> <span class=\"token operator\">!<\/span>hlsDir<span class=\"token punctuation\">.<\/span><span class=\"token function\">exists<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">ResponseEntity<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">notFound<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            <span class=\"token class-name\">File<\/span> segment <span class=\"token operator\">&#061;<\/span> streamingService<span class=\"token punctuation\">.<\/span><span class=\"token function\">getTSSegment<\/span><span class=\"token punctuation\">(<\/span>hlsDir<span class=\"token punctuation\">,<\/span> segmentName<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>segment<span class=\"token punctuation\">.<\/span><span class=\"token function\">exists<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">ResponseEntity<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">notFound<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            <span class=\"token class-name\">Resource<\/span> resource <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FileSystemResource<\/span><span class=\"token punctuation\">(<\/span>segment<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">ResponseEntity<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">ok<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">contentType<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">MediaType<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">valueOf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;video\/MP2T&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">body<\/span><span class=\"token punctuation\">(<\/span>resource<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Exception<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">ResponseEntity<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">status<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpStatus<\/span><span class=\"token punctuation\">.<\/span>INTERNAL_SERVER_ERROR<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u6e05\u7406\u7f13\u5b58&#xff08;\u53ef\u5b9a\u65f6\u6267\u884c&#xff09;<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;DeleteMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/cache\/{ossKey}&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">ResponseEntity<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Void<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">clearCache<\/span><span class=\"token punctuation\">(<\/span><span class=\"token annotation punctuation\">&#064;PathVariable<\/span> <span class=\"token class-name\">String<\/span> ossKey<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">File<\/span> hlsDir <span class=\"token operator\">&#061;<\/span> processedVideos<span class=\"token punctuation\">.<\/span><span class=\"token function\">remove<\/span><span class=\"token punctuation\">(<\/span>ossKey<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>hlsDir <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">&amp;&amp;<\/span> hlsDir<span class=\"token punctuation\">.<\/span><span class=\"token function\">exists<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token class-name\">FileUtils<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">deleteDirectory<\/span><span class=\"token punctuation\">(<\/span>hlsDir<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">IOException<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                logger<span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Failed to delete directory: &#034;<\/span> <span class=\"token operator\">&#043;<\/span> hlsDir<span class=\"token punctuation\">,<\/span> e<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">ResponseEntity<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">ok<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>3. \u4f18\u5316\u4e0e\u589e\u5f3a<\/h3>\n<h4>3.1 \u6027\u80fd\u4f18\u5316<\/h4>\n<li>\n<p>FFmpeg\u53c2\u6570\u8c03\u4f18&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5728processVideoToHLS\u65b9\u6cd5\u4e2d\u8c03\u6574FFmpeg\u53c2\u6570<\/span><br \/>\ncommand<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;-preset&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> command<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;fast&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7f16\u7801\u901f\u5ea6\u4e0e\u8d28\u91cf\u7684\u5e73\u8861<\/span><br \/>\ncommand<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;-crf&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> command<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;23&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>      <span class=\"token comment\">\/\/ \u8d28\u91cf\u63a7\u5236<\/span><br \/>\ncommand<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;-threads&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> command<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">valueOf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Runtime<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getRuntime<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">availableProcessors<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<\/li>\n<li>\n<p>\u7f13\u5b58\u7b56\u7565&#xff1a;<\/p>\n<ul>\n<li>\u4f7f\u7528Caffeine\u6216Redis\u7f13\u5b58\u5df2\u5904\u7406\u7684\u89c6\u9891\u8def\u5f84<\/li>\n<li>\u8bbe\u7f6e\u5408\u7406\u7684\u8fc7\u671f\u65f6\u95f4<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5f02\u6b65\u5904\u7406&#xff1a;<\/p>\n<p><span class=\"token annotation punctuation\">&#064;Async<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token class-name\">CompletableFuture<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">File<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">asyncProcessVideoToHLS<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> ossKey<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> segmentDuration<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">File<\/span> result <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">processVideoToHLS<\/span><span class=\"token punctuation\">(<\/span>ossKey<span class=\"token punctuation\">,<\/span> segmentDuration<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">CompletableFuture<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">completedFuture<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Exception<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">CompletableFuture<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">failedFuture<\/span><span class=\"token punctuation\">(<\/span>e<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<\/li>\n<h4>3.2 \u9632\u76d7\u94fe\u5b9e\u73b0<\/h4>\n<p><span class=\"token annotation punctuation\">&#064;GetMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/{ossKey}\/playlist.m3u8&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token class-name\">ResponseEntity<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Resource<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">getPlaylist<\/span><span class=\"token punctuation\">(<\/span><br \/>\n        <span class=\"token annotation punctuation\">&#064;PathVariable<\/span> <span class=\"token class-name\">String<\/span> ossKey<span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token annotation punctuation\">&#064;RequestParam<\/span><span class=\"token punctuation\">(<\/span>defaultValue <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;10&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">int<\/span> segmentDuration<span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token annotation punctuation\">&#064;RequestHeader<\/span><span class=\"token punctuation\">(<\/span>value <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;Referer&#034;<\/span><span class=\"token punctuation\">,<\/span> required <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token class-name\">String<\/span> referer<span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token class-name\">HttpServletRequest<\/span> request<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u9632\u76d7\u94fe\u9a8c\u8bc1<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">isValidRequest<\/span><span class=\"token punctuation\">(<\/span>referer<span class=\"token punctuation\">,<\/span> request<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">ResponseEntity<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">status<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpStatus<\/span><span class=\"token punctuation\">.<\/span>FORBIDDEN<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5176\u4f59\u4ee3\u7801\u4e0d\u53d8&#8230;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span> <span class=\"token keyword\">boolean<\/span> <span class=\"token function\">isValidRequest<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> referer<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">HttpServletRequest<\/span> request<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ 1. \u68c0\u67e5Referer<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>referer <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token operator\">!<\/span>referer<span class=\"token punctuation\">.<\/span><span class=\"token function\">contains<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;yourdomain.com&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ 2. \u68c0\u67e5IP\u767d\u540d\u5355<\/span><br \/>\n    <span class=\"token class-name\">String<\/span> clientIp <span class=\"token operator\">&#061;<\/span> request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRemoteAddr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ if (!allowedIps.contains(clientIp)) return false;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ 3. \u53ef\u4ee5\u6dfb\u52a0token\u9a8c\u8bc1\u7b49<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>3.3 \u5185\u5b58\u4e0e\u78c1\u76d8\u7ba1\u7406<\/h4>\n<p><span class=\"token comment\">\/\/ \u6dfb\u52a0\u5b9a\u65f6\u4efb\u52a1\u6e05\u7406\u65e7\u6587\u4ef6<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Scheduled<\/span><span class=\"token punctuation\">(<\/span>fixedRate <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">24<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">60<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">60<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u6bcf\u5929\u6267\u884c\u4e00\u6b21<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">cleanupOldFiles<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token class-name\">File<\/span> tempDir <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">File<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getProperty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;java.io.tmpdir&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;\/video_stream\/&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>tempDir<span class=\"token punctuation\">.<\/span><span class=\"token function\">exists<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">long<\/span> currentTime <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">currentTimeMillis<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">File<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> files <span class=\"token operator\">&#061;<\/span> tempDir<span class=\"token punctuation\">.<\/span><span class=\"token function\">listFiles<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>files <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">File<\/span> file <span class=\"token operator\">:<\/span> files<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>file<span class=\"token punctuation\">.<\/span><span class=\"token function\">isDirectory<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;&amp;<\/span> currentTime <span class=\"token operator\">&#8211;<\/span> file<span class=\"token punctuation\">.<\/span><span class=\"token function\">lastModified<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">24<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">60<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">60<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                        <span class=\"token class-name\">FileUtils<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">deleteDirectory<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">IOException<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                        logger<span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Failed to delete old directory: &#034;<\/span> <span class=\"token operator\">&#043;<\/span> file<span class=\"token punctuation\">,<\/span> e<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>4. \u524d\u7aef\u96c6\u6210\u793a\u4f8b<\/h3>\n<p><span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>video<\/span> <span class=\"token attr-name\">id<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>video<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">controls<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>video<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>script<\/span> <span class=\"token attr-name\">src<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>https:\/\/cdn.jsdelivr.net\/npm\/hls.js&#064;latest<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token script\"><\/span><span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>script<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>script<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token script\"><span class=\"token language-javascript\"><br \/>\n    <span class=\"token keyword\">const<\/span> videoId <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;path\/to\/your\/video.mp4&#034;<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ OSS\u4e0a\u7684\u8def\u5f84<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>Hls<span class=\"token punctuation\">.<\/span><span class=\"token function\">isSupported<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">const<\/span> video <span class=\"token operator\">&#061;<\/span> document<span class=\"token punctuation\">.<\/span><span class=\"token function\">getElementById<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;video&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">const<\/span> hls <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Hls<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6dfb\u52a0\u9632\u76d7\u94fetoken&#xff08;\u5982\u679c\u9700\u8981&#xff09;<\/span><br \/>\n        hls<span class=\"token punctuation\">.<\/span><span class=\"token function\">loadSource<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">\/api\/stream\/<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>videoId<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">\/playlist.m3u8?token&#061;your_token<\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        hls<span class=\"token punctuation\">.<\/span><span class=\"token function\">attachMedia<\/span><span class=\"token punctuation\">(<\/span>video<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        hls<span class=\"token punctuation\">.<\/span><span class=\"token function\">on<\/span><span class=\"token punctuation\">(<\/span>Hls<span class=\"token punctuation\">.<\/span>Events<span class=\"token punctuation\">.<\/span><span class=\"token constant\">MANIFEST_PARSED<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">function<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            video<span class=\"token punctuation\">.<\/span><span class=\"token function\">play<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>video<span class=\"token punctuation\">.<\/span><span class=\"token function\">canPlayType<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;application\/vnd.apple.mpegurl&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u539f\u751fHLS\u652f\u6301&#xff08;\u5982Safari&#xff09;<\/span><br \/>\n        video<span class=\"token punctuation\">.<\/span>src <span class=\"token operator\">&#061;<\/span> <span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">\/api\/stream\/<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>videoId<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">\/playlist.m3u8?token&#061;your_token<\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n        video<span class=\"token punctuation\">.<\/span><span class=\"token function\">addEventListener<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;loadedmetadata&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">function<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            video<span class=\"token punctuation\">.<\/span><span class=\"token function\">play<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<\/span><\/span><span class=\"token tag\"><span class=\"token tag\"><span class=\"token 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