无头浏览器和FFMPEG的示例

女爷i 2021-11-22 23:36 307阅读 0赞

暂留，防止丢失

public class MainTest { 
    
        public static void main(String[] args) throws IOException, InterruptedException { 
            ProcessBuilder processBuilder = new ProcessBuilder();
            processBuilder.directory(new File("D:\\Demo"));
            processBuilder.command("D:\\Development\\Tool\\phantomjs-2.1.1-windows\\bin\\phantomjs.exe",
                    "D:\\Demo\\demo.js", "https://www.highcharts.com.cn/demo/highcharts/dynamic-update");
            processBuilder.redirectErrorStream(true);
            Process process = processBuilder.start();
            InputStream inputStream = process.getInputStream();
            InputStreamReader inputStreamReader = new InputStreamReader(inputStream, StandardCharsets.UTF_8);
            BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
    
            String readLine;
            while ((readLine = bufferedReader.readLine()) != null) { 
                System.out.println(readLine);
            }
            bufferedReader.close();
        }
    
        @Test
        public void testGood() { 
            List<String> commend = new ArrayList<>();
            commend.add("D:\\Development\\Tool\\ffmpeg-20190722-817235b-win64-static\\bin\\ffmpeg.exe");
            commend.add("-r");
            commend.add("1");
            commend.add("-i");
            commend.add("D:\\Demo\\h264\\demo%d.jpeg");
            commend.add("-c:v");
            commend.add("libx264");
            commend.add("-vf");
            // 24fps
            commend.add("fps=24");
            commend.add("-pix_fmt");
            commend.add("yuv420p");
            commend.add("D:\\Demo\\h264\\good.mp4");
            start(commend);
        }
    
        @Test
        public void testAudio() { 
            // http://www.imooc.com/wenda/detail/432566
            // 1. ffmpeg.exe -i .\good.mp4 -c:v copy -an .\good-no-audio.mp4
            // 2. ffmpeg.exe -i .\good-no-audio.mp4 -i .\River.mp3 -c copy .\good-mp3.mp4
            // 3. ffmpeg.exe -i .\good-mp3-faded.mp4 -ss 00:00:00 -t 43 .\good-mp3-faded-out.mp4
        }
    
        /** * 把图片拼接成视频,这里取20张图片,生成10秒的视频 */
        @Test
        public void test3() { 
            long startTime = System.currentTimeMillis();
            List<String> commend = new ArrayList<>();
            commend.add("D:\\Development\\Tool\\ffmpeg-20190722-817235b-win64-static\\bin\\ffmpeg.exe");
            //以1fps读入
            commend.add("-r");
            commend.add("1");
            //-threads 2 以两个线程进行运行， 加快处理的速度。
            commend.add("-threads");
            commend.add("2");
            commend.add("-f");
            commend.add("image2");
            commend.add("-i");
            commend.add("D:\\Demo\\images\\demo%2d.png");
            commend.add("-vcodec");
            commend.add("libx264");
            //-y 对输出文件进行覆盖
            commend.add("-y");
            //-r 5 fps设置为5帧/秒（不同位置有不同含义) %2d标识图片文件的正则
            commend.add("-r");
            commend.add("1");
            commend.add("D:\\Demo\\out-demo2.mp4");
            start(commend);
            long endTime = System.currentTimeMillis();
            System.out.println((endTime - startTime));
        }
    
    
        private void start(List commend) { 
            Process p = null;
            try { 
                ProcessBuilder builder = new ProcessBuilder(commend);
                builder.command(commend);
                p = builder.start();
                p.getOutputStream().close();
                doWaitFor(p);
                p.destroy();
            } catch (Exception e) { 
                e.printStackTrace();
                p.destroy();
            }
        }
    
    
        public static void doWaitFor(Process p) throws Exception { 
            InputStream in = null;
            InputStream err = null;
            in = p.getInputStream();
            err = p.getErrorStream();
            boolean finished = false;
    
            while (!finished) { 
                try { 
                    Character c;
                    while (in.available() > 0) { 
                        c = (char) in.read();
                        System.out.print(c);
                    }
    
                    while (err.available() > 0) { 
                        c = (char) err.read();
                        System.out.print(c);
                    }
    
                    p.exitValue();
                    finished = true;
                } catch (IllegalThreadStateException var19) { 
                    Thread.sleep(500L);
                }
            }
    
        }
    
    }

//创建
    var page = require('webpage').create();
    //系统变量集合,按照角标,从1开始
    var system = require('system');
    
    var index = 0;
    
    address = system.args[1];
    watermark = "this is watermark, this is watermark, this is watermark, this is watermark, this is watermark, this is watermark";
    //使用web浏览器
    page.settings.userAgent = 'Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/604.1.38 (KHTML, like Gecko) Version/11.0 Mobile/15A372 Safari/604.1';
    //初始化浏览器大小
    page.settings.viewportSize = { width: 375, height: 812};
    page.settings.resourceTimeout = 180000;
    page.onResourceTimeout = function (request) { 
        console.log('onResourceTimeout');
        phantom.exit();
    };
    
    //加载资源监听
    page.onResourceReceived = function (res) { 
        console.log('Response (#' + res.id + ', stage =' + res.stage + ', code = ' + res.status + ', redirect= ' + res.redirectURL + ') ');
    
        setTimeout(function() { 
            page.clipRect = { top: 0, left: 0, width: 375, height: 812};
            page.render("demo"+index+".png");
        },100);
        
    
        index++;
        if (index >= 200) { 
            console.log('phantom.exit()');
            phantom.exit();
        }
    };
    //日志监听console,防止有些内部方法控制台不显示
    page.onConsoleMessage = function (msg) { 
        console.log('Page console is ' + msg);
    };
    //用缓存预加载图片,以获取尺寸
    var img = new Image();
    img.src = address;
    var imageHeight = 0;
    var imageWidth = 0;
    img.onload = function () { 
        console.log("img is loaded")
        imageHeight = img.height;
        imageWidth = img.width;
        console.log("img:width= " + img.width + " ,height:" + img.height);
        addWatermark();
    
    };
    //error时,url 为网页资源,或加载错误
    img.onerror = function () { 
        console.log("url load error or url is htmlResource!")
        addWatermark();
    };
    
    function addWatermark() { 
        page.open(address, function (status) { 
            if (status !== 'success') { 
                console.log('Unable to load!');
                phantom.exit();
            } else { 
                //运行js代码
                page.evaluate(function (imageWidth, imageHeight, watermark) { 
                    var html = document.body.innerHTML;
                    if (imageWidth != 0 && imageHeight != 0) { 
                    //水印最小宽度为200
                        if (imageWidth < 200) { 
                            imageWidth = 200
                        }
                        console.log("--------------------image:=", imageWidth, imageHeight);
                        //编辑抓取的HTML,此处打了一个假水印,放在了图片外边,因为图片过小时,再把水印放里面即便是透明,也看不清了
                        html = "<div style=\"font:bold 14px/22px Tahoma;-webkit-transform-origin-x: 0; -webkit-transform: scale(1.00); color:red;word-wrap:break-word; width:" + imageWidth + "\">" + watermark + "</div>" + html;
                    } else { 
                        html = "<div style=\" font:bold 14px/22px Tahoma; color:red;\">" + watermark + "</div>" + html;
                    }
                    document.body.innerHTML = html;
                }, imageWidth, imageHeight, watermark);
                window.setTimeout(function () { 
                    //水印宽度适应图片和资源,最小为300
                    //简单截图示例,保存路径默认为当前脚本所在目录
                    
                    
                    phantom.exit();
                }, 60000);
    
            }
        });
    }