java 实现视频转换通用工具类：视频加水印-Ffmpeg（五-1）

java 实现视频转换通用工具类：视频相互转换-Ffmpeg（三）

java 实现视频转换通用工具类：视频截图-Ffmpeg（四）

说明：

视频加水印支持右上角、左上角、左下角、右下角、底部居中几个方位

1.根据水印文字---添加视频水印

 /*** 根据水印文字---添加视频水印* @param srcPath  原视频路径* @param tarVideoPath  生成后的视频路径* @param wmPosition  水印位子* @param alpha  透明度* @param txt String  文字* @param fontSize   每个字的宽度和高度是一样的* @param fontColor Color  字体颜色* @param isBold 字体是否加粗* @param fontType  字体样式* @param fontPath  字体文件* @return*/public static boolean processFfmpegWatermkByFont(String srcPath,String tarVideoPath,int wmPosition, float alpha,String txt, int fontSize,Color fontColor,boolean isBold,String fontType,String fontPath) {//通过文字生成的图片临时路径String waterMarkPath =  WebAppUtils.getWebAppRoot() +BaseCommonUtil.TXTIMGPATH  + BaseCommonUtil.getDateNum() + ".png";//waterMarkPath = "D:/project/BSRCM_TRUNK/WebRoot/swf/txtImg/1.png";//通过文字生成透明图片ImageHelps.createJpgByFont(txt,fontSize,fontColor,isBold,fontType,fontPath,waterMarkPath);//avs ---通过水印图片添加水印视频//return processFfmpegWatermarkByImage(srcPath,tarVideoPath,waterMarkPath,wmPosition,alpha);//vfilters ---通过水印图片添加水印视频boolean boo = processFfmpegWatermarkByImg(srcPath,tarVideoPath,waterMarkPath,wmPosition,alpha);if(boo){logger.info("【" + srcPath +"】 视频添加文字水印图片成功! ");return  true;}else{logger.error("【" + srcPath +"】 processFfmpegWatermkByFont  视频添加文字水印图片失败! ");return false;}}

 /***根据水印图片---添加视频水印* @param srcPath  原视频路径* @param tarVideoPath  生成后的视频路径* @param waterMarkPath  水印图片路径* @param wmPosition  水印位子* @param alpha  透明度* @return*/public static boolean processFfmpegWatermarkByImg(String srcPath,String tarVideoPath,String waterMarkPath,int wmPosition, float alpha) {  if (!checkfile(srcPath)) {  logger.error("【" + srcPath + "】  不存在 !"); return false;  }  if (!checkfile(waterMarkPath)) {  logger.error("【" + waterMarkPath + "】  不存在 !"); return false;  }  //如果父目录不存在就创建一个tarVideoPath = BaseCommonUtil.replaceFliePathStr(tarVideoPath);BaseCommonUtil.mkdir(tarVideoPath);//缩放图片zooImage(srcPath, waterMarkPath); //要执行的shell脚本路径String shellPath =  WebappConfigUtil.getParameter("shellPath");if (!checkfile(shellPath)) { logger.error("【" + shellPath + "】shell脚本路径 不存在 !");}String extendTarName = tarVideoPath.substring(tarVideoPath.lastIndexOf(".")+1,tarVideoPath.length());Process process = null;try {  String os = System.getProperty("os.name");if (os != null && os.toLowerCase().startsWith("windows")) {String picPath = waterMarkPath.substring(waterMarkPath.indexOf("WebRoot"),waterMarkPath.lastIndexOf("/"));waterMarkPath = waterMarkPath.substring(waterMarkPath.lastIndexOf("/")+1,waterMarkPath.length());process = Runtime.getRuntime().exec(shellPath +" "+picPath+" " + ffmpegPath + " " + srcPath + " " + waterMarkPath + " " + getVideoPosition(wmPosition) + " " + tarVideoPath); } else{process = Runtime.getRuntime().exec(shellPath + " " + ffmpegPath + " " + srcPath + " " + waterMarkPath + " " + getVideoPosition(wmPosition) + " " + tarVideoPath); }doWaitFor(process); //转换mate信息if("MP4".equals(extendTarName.toUpperCase())){return execMp4Box(tarVideoPath);}if (!checkfile(tarVideoPath)) {  logger.error("【" + srcPath + "】processFfmpegWatermarkByImage  视频添加水印不成功 !");return false;  }return true;  } catch (Exception e) {  logger.error("【" + srcPath + "】processFfmpegWatermarkByImage  视频添加水印不成功 !");return false;  }finally{if(process != null){process.destroy();}}}  

/*** 根据方位数字获取值* @param wmPosition* Top left corner* ffmpeg –i inputvideo.avi -vf "movie=watermarklogo.png [watermark]; [in][watermark] overlay=10:10 [out]" outputvideo.flv* Top right corner* ffmpeg –i inputvideo.avi -vf "movie=watermarklogo.png [watermark]; [in][watermark] overlay=main_w-overlay_w-10:10 [out]" outputvideo.flv* Bottom left corner* ffmpeg –i inputvideo.avi -vf "movie=watermarklogo.png [watermark]; [in][watermark] overlay=10:main_h-overlay_h-10 [out]" outputvideo.flv* Bottom right corner* ffmpeg –i inputvideo.avi -vf "movie=watermarklogo.png [watermark]; [in][watermark] overlay=main_w-overlay_w-10:main_h-overlay_h-10 [out]" outputvideo.flv* @return*/public static String getVideoPosition(int wmPosition){String positionStr = "main_w-overlay_w-10:main_h-overlay_h-10";   //默认右上角switch (wmPosition) {case 0:positionStr ="10:10";  //左上角break;case 1:positionStr ="main_w-overlay_w-10:10";  //右上角break;case 2:positionStr ="10:main_h-overlay_h-10"; //左下角break;case 3:positionStr ="main_w-overlay_w-10:main_h-overlay_h-10";   //右下角break;case 4:positionStr ="(main_w-overlay_w)/2:main_h-overlay_h:1";  //底部居中break;default:break;}return positionStr;}

/*** 缩放图片* @param srcPath  视频路径* @param wmImgPath  水印图片路径* @return*/public static void zooImage(String srcPath,String wmImgPath){//获取视频信息VideoInfo videoInfo = VideoInfoHelps.getVideoInfo(srcPath);int width = 0;   //视频宽int height = 0;   //视频高if(videoInfo != null){String widthStr = videoInfo.getWidth();  //宽if(StringUtils.isNotEmpty(widthStr)) width = Integer.parseInt(widthStr);String heightStr = videoInfo.getHeight();  //高if(StringUtils.isNotEmpty(heightStr)) height = Integer.parseInt(heightStr);}if(width !=0 || height !=0){ //如果获取到视频宽高//进行图片缩放ImageHelps.zoomPerImg(wmImgPath, wmImgPath,width,height);  }}

5.获取x，y坐标值，返回String数组

/*** 获取x，y坐标值，返回String数组* @param wmPosition* 0:左上角* 1:右上角* 2:左下角* 3:右下角* 4:居中* @param srcPath  视频路径* @param wmImgPath  水印图片路径* @return*/public static int[] getXy(int wmPosition,String srcPath,String wmImgPath){int x=10,y=10; //定义默认为左上角int[] xy = new int[2];//获取视频信息VideoInfo videoInfo = VideoInfoHelps.getVideoInfo(srcPath);int width = 0;   //视频宽int height = 0;   //视频高if(videoInfo != null){String widthStr = videoInfo.getWidth();  //宽if(StringUtils.isNotEmpty(widthStr)) width = Integer.parseInt(widthStr);String heightStr = videoInfo.getHeight();  //高if(StringUtils.isNotEmpty(heightStr)) height = Integer.parseInt(heightStr);}if(width !=0 || height !=0){ //如果获取到视频宽高//取得坐标方位编码int position =BaseCommonUtil.getWmDegree(wmPosition);int wideth_biao =0; //水印图片的宽int height_biao = 0; //水印图片的高try {//首先进行图片缩放ImageHelps.zoomPerImg(wmImgPath, wmImgPath,width,height);//水印文件  Image src_biao = ImageIO.read(new File(wmImgPath));wideth_biao = src_biao.getWidth(null);  height_biao = src_biao.getHeight(null);  } catch (IOException e) {logger.error("【" + wmImgPath + "】getXy  读取水印图片失败 !");}  //左上角距离边距10像素int leftUpWideth = 10;int leftUpHeight = 10;//右上角距离边距10像素int rightUpWideth = (width - wideth_biao) - 10;int rightUpHeight = 10;//左下角距离边距10像素int leftDownWideth = 10;int leftDownHeight = (height - height_biao) - 10;//右下角距离边距10像素int rightDownWideth = (width - wideth_biao) - 10;int rightDownHeight = (height - height_biao) - 10;//居中int centerWideth =  (width - wideth_biao) / 2;int centerHeight = (height - height_biao) / 2;switch (position) {case 0:x = leftUpWideth;y = leftUpHeight;break;case 1:x = rightUpWideth;y = rightUpHeight;break;case 2:x = leftDownWideth;y = leftDownHeight;break;case 3:x = rightDownWideth;y = rightDownHeight;break;case 4:x = centerWideth;y = centerHeight;break;default:break;}}//设值xy[0] =x;xy[1] =y;return xy;}