Java通过流对MP4视频文件进行加密，H5 video播放流(2)

    /**
     * 播放加密MP4
     * @param response
     * @throws IOException
     */
    @RequestMapping("/playMp4")
    @ResponseBody
    public void playMp4(HttpServletResponse response,String fileName) throws Exception {
        // TODO 测试联调结束后需删除
        fileName = "edu/video/6689AC1A506133C13FDA593135E2D923.mp4";
        String tempFilePath = SystemConstant.VIDEO_TEMP_PATH +  fileName;
        try {
            tempFilePath = videoMaterialService.decryptVideo(fileName);
            // 解密过后的临时文件路径

            FileInputStream inputStream = new FileInputStream(tempFilePath);
            byte[] data = FileToolUtil.inputStreamToByte(inputStream);
            String diskfilename = "final.mp4";
            response.setContentType("video/mp4");
            response.setHeader("Content-Disposition", "attachment; filename=\"" + diskfilename + "\"" );
            System.out.println("data.length " + data.length);
            response.setContentLength(data.length);
            response.setHeader("Content-Range", "" + Integer.valueOf(data.length-1));
            response.setHeader("Accept-Ranges", "bytes");
            response.setHeader("Etag", "W/\"9767057-1323779115364\"");
            OutputStream os = response.getOutputStream();
            os.write(data);
            //先声明的流后关掉！
            os.flush();
            os.close();
            inputStream.close();
        }catch (Exception e){
            logger.error("....", e);
        }finally {
            VideoMaterialService.deleteVideoFile(tempFilePath);
        }
    }

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title></title>
</head>
<body>
    <video src="http://127.0.0.1:8004/rest/video/playMp4?fileName=11.mp4" controls="controls">
        your browser does not support the video tag
    </video>
</body>
</html>

posted @ 2018-07-12 16:42Rest探路者 阅读(...) 评论(...) 编辑

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