通过PotPlayer发现该MP4文件的编码格式为HEVC,而video标签不支持该编码格式的视频文件
在HTML文件中首先需要引用libe265.js来负责处理HEVC格式文件
libde265.js/libde265.js at master · strukturag/libde265.js · GitHub
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | < title >Document</ title > var VIDEO_URL = 'http://localhost/file/video?fileName=E:\test\1_monitor01_1668690540000.mp4' var video = document.getElementById('canvas') // var fpsWrap = document.querySelector('.hevc-fps') var status = document.querySelector('.hevc-status') var playback = function (event) { // event.preventDefault() // if (player) { // player.stop() // } player = new libde265.RawPlayer(video) player.set_status_callback(function (msg, fps) { player.disable_filters(true) console.log(msg); switch (msg) { case 'loading': status.innerHTML = 'Loading movie...' break case 'initializing': status.innerHTML = 'Initializing...' break case 'playing': status.innerHTML = 'Playing...' break case 'stopped': status.innerHTML = 'stopped' break case 'fps': // fpsWrap.innerHTML = Number(fps).toFixed(2) + ' fps' break default: status.innerHTML = msg } }) player.playback(VIDEO_URL) } playback() |
而通过绝对路径来寻找本地视频文件则可通过后端(SpringBoot)编写接口进行操作
以下是Controller层代码
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | @RestController @RequestMapping ( "/file" ) @CrossOrigin (origins = "*" ) public class FileController { @Resource public IFileService fileService; /** * 根据本地图片全路径,响应给浏览器1个图片流 */ @GetMapping ( "/image/{fileName}" ) public void showImage(HttpServletResponse response, @PathVariable ( "fileName" ) String fileName) { fileService.show(response, fileName, "image" ); } /** * 根据本地视频全路径,响应给浏览器1个视频 */ @GetMapping ( "/video" ) public void showVideo(HttpServletResponse response, String fileName) { fileService.show(response, fileName, "video" ); } } |
以下是Sevice层代码
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | @Service public class FileServiceImpl implements IFileService { /** * 响应文件 * * @param response * @param fileName 文件全路径 * @param type 响应流类型 */ public void show(HttpServletResponse response, String fileName, String type) { try { FileInputStream fis = new FileInputStream(fileName); // 以byte流的方式打开文件 int i = fis.available(); //得到文件大小 byte data[] = new byte [i]; fis.read(data); //读数据 response.setContentType(type + "/*" ); //设置返回的文件类型 OutputStream toClient = response.getOutputStream(); //得到向客户端输出二进制数据的对象 toClient.write(data); //输出数据 toClient.flush(); toClient.close(); fis.close(); } catch (ClientAbortException cae) { cae.printStackTrace(); System.out.println( "播放中断" ); } catch (Exception e) { e.printStackTrace(); System.out.println( "文件不存在" ); } } } |
到此这篇关于HTML5兼容HEVC视频格式且支持本地绝对路径访问的文章就介绍到这了,更多相关HTML5兼容HEVC视频格式内容请搜索IT俱乐部以前的文章或继续浏览下面的相关文章,希望大家以后多多支持IT俱乐部!