FFMPEG命令失败的文件路径与空格 [英] FFMPEG command fails for file path with white spaces

问题描述

我正在执行以下 ffmpeg 命令修剪视频。我遇到的问题是如果文件路径包含空格，那么命令失败。我尝试了很多方法来处理空格但是除了将文件移动到没有空间的路径，然后以新的文件路径作为源执行命令之外，它们都不起作用。
以下是命令 -

I am executing the below ffmpeg command for trimming videos.The issue I am having is that if filepath contains spaces then the command fails.I tried many ways to handle spaces but none of them worked except moving file to a path that doesn't have space and then executing the command with new file path as source. Below is the command-

 execFFmpegBinary("-i " +  filepath   + " -ss " + startMs / 1000 + " -to " + endMs / 1000 + " -strict -2 -async 1 " + dest.getAbsolutePath());



private void execFFmpegBinary(final String command) {
        try {
            ffmpeg.execute(command, new ExecuteBinaryResponseHandler() {
                @Override
                public void onFailure(String s) {
                    Log.e("Previewragment", "FAILED with output : " + s);
                }

                @Override
                public void onSuccess(String s) {
                    Log.e("Previewragment", "SUCCESS with output : " + s);
                }

                @Override
                public void onProgress(String s) {
                    Log.e("Previewragment", "Started command : ffmpeg " + command);
                    Log.e("Previewragment", "progress : " + s);
                }

                @Override
                public void onStart() {
                    Log.e("Previewragment", "Started command : ffmpeg " + command);

                }

                @Override
                public void onFinish() {



                }
            });
        } catch (FFmpegCommandAlreadyRunningException e) {
            // do nothing for now
        }
    }

我看到这个回答< a>并尝试

I saw this answer and tried

 String addQuotes(String in ) {
        return "\"" + in + "\"";
    }
execFFmpegBinary("-i " +  addQuotes(filepath)   + " -ss " + startMs / 1000 + " -to " + endMs / 1000 + " -strict -2 -async 1 " + dest.getAbsolutePath())

;

推荐答案

//Process ffmpeg;
        public string exec(string input, string output, string parametri,string fileName) 
        {
        //Create the output and streamreader to get the output
        string output1 = null; StreamReader srOutput = null;
        input = addQuotes(input);
        Process ffmpeg = new Process();
        try
        {

            ffmpeg.StartInfo.Arguments = " -i " + input + " -ss 00:00:00.100 -vframes 1" + " " + output;
            ffmpeg.StartInfo.FileName = fileName;
            ffmpeg.StartInfo.UseShellExecute = false;
            ffmpeg.StartInfo.RedirectStandardOutput = true;
            ffmpeg.StartInfo.RedirectStandardError = true;
            ffmpeg.StartInfo.CreateNoWindow = true;
            ffmpeg.Start();
            ffmpeg.WaitForExit();
            //get the output
            srOutput = ffmpeg.StandardError;
            //now put it in a string
            output1 = srOutput.ReadToEnd();
            ffmpeg.Close();
        }
        catch
        {
            ffmpeg.Close();
            output = string.Empty;
        }
        finally
        {
            //now, if we succeded, close out the streamreader
            if (srOutput != null)
            {
                srOutput.Close();
                srOutput.Dispose();
            }
        }
        return output;
    }


    public string addQuotes(string s)
    {
        return "\"" + s + "\"";
    }

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