如何才能获取到Process
public class ConvertVideo {private static String INPUT_PATH;
private static String OUTPUT_PATH;
private static String PROJECT_PATH;
private static HashMap<String, String> fileType;
static
{
fileType = new HashMap<String, String>();
fileType.put("avi", "true");
fileType.put("mpg", "true");
fileType.put("wmv", "true");
fileType.put("3gp", "true");
fileType.put("mov", "true");
fileType.put("mp4", "true");
fileType.put("asf", "true");
fileType.put("asx", "true");
fileType.put("flv", "true");
}
public static void convertToFLV(String projectPath, String inputFile, String outputFile)
{
INPUT_PATH = inputFile;
OUTPUT_PATH = outputFile;
PROJECT_PATH = projectPath;
if (checkContentType())
processFLV();// 直接将文件转为flv文件
}
private static boolean checkContentType()
{
String type = INPUT_PATH.substring(INPUT_PATH.lastIndexOf(".") + 1, INPUT_PATH.length()).toLowerCase();
// ffmpeg能解析的格式：（asx，asf，mpg，wmv，3gp，mp4，mov，avi，flv等）
return "true".equals(fileType.get(type));
}
private static void processFLV()
{
if (new File(INPUT_PATH).isFile())
{
try
{
String cmd = "cmd /c start F:\\project\\abc\\ffmpeg.bat \"" + PROJECT_PATH + "\" \"" + INPUT_PATH + "\" \"" + OUTPUT_PATH +"\"";
System.out.println(cmd);
Process process = Runtime.getRuntime().exec(cmd);
InputStream is = process.getInputStream();
BufferedInputStream bis = new BufferedInputStream(is);
System.out.println(bis);
int data;
while((data=bis.read())!=-1){
System.out.println(data);
}
if(data==-1){
System.out.println("data==null");
}
}
catch (Exception e)
{
e.printStackTrace();
}
}
}
public static void main(String[] args)
{
ConvertVideo.convertToFLV("F:\\project\\abc" ,"c:\\3.mpg", "f:\\03.mpg");
}
}
用ffmpeg为视频添加logo，但是始终获取不到process的值？转出来的文件确定是有logo的。
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