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Sur d’autres sites (9976)

  • ffmpeg remove part of video, crop, rotate video [duplicate]

    2 novembre 2017, par 1234567

    This question already has an answer here :

    ffmpeg remove part of video, crop, rotate video

    this can be explained with this images
    orginal videoenter image description here

    crop and rotated video

    enter image description here

    the time details

    original video from which part starting from 10 sec to 16 sec and 20 sec to 26 sec is to be removed

    enter image description here

    result video

    enter image description here

  • avformat/mxfenc : allow more bits for variable part in uuid generation

    14 mars 2022, par Marton Balint
    avformat/mxfenc : allow more bits for variable part in uuid generation

    Also make sure we do not change the product UID.
    

    Signed-off-by : Marton Balint <cus@passwd.hu>
    • [DH] libavformat/mxfenc.c
    • [DH] tests/ref/fate/copy-trac4914
    • [DH] tests/ref/fate/mxf-d10-user-comments
    • [DH] tests/ref/fate/mxf-opatom-user-comments
    • [DH] tests/ref/fate/mxf-reel_name
    • [DH] tests/ref/fate/mxf-user-comments
    • [DH] tests/ref/fate/time_base
    • [DH] tests/ref/lavf/mxf
    • [DH] tests/ref/lavf/mxf_d10
    • [DH] tests/ref/lavf/mxf_dv25
    • [DH] tests/ref/lavf/mxf_dvcpro50
    • [DH] tests/ref/lavf/mxf_opatom
    • [DH] tests/ref/lavf/mxf_opatom_audio

  • What is wrong part in my Android code with ffmpeg ?

    6 janvier 2016, par Marko androshenko

    I want to get mixed video.(Image + Video)
    Total duration of original video is 180 sec. I want to put image to the front of video. So, I made some code in android studio.
    But I can not look any toast.
    What is wrong ? How to check the end of process ?

    ...
    path = "libray folder" ;
    ...

        private class ProcessVideo extends AsyncTask {
    
            @Override
    
            protected Void doInBackground(Void... params) {
    

    
                Process ffmpegProcess = null;
    

    
                try {
    
          // initialize command for process video
    
              // library is video process library.
    
                    String[] command ={path,"-i", input, "-r", "1", "-q:v", "2", "-f", "image", input};
    

    

    
                    ffmpegProcess = new ProcessBuilder(ffmpegCommand).redirectErrorStream(true).start();
    

    
                    OutputStream ffmpegOutStream = ffmpegProcess.getOutputStream();
    
                    BufferedReader reader = new BufferedReader(new InputStreamReader(ffmpegProcess.getInputStream()));
    

    
                    String line;
    

    
                    Log.v(THISTAG,"***Starting FFMPEG***");
    
                    while ((line = reader.readLine()) != null)
    
                    {
    
// in progress 
    
                        Log.v(THISTAG,"***"+line+"***");
    
                    }
    
// finish all process
    
                    Log.v(THISTAG,"***Ending FFMPEG***");
    
                    videoProcessFinishFlag = true;
    

    
                } catch (IOException e) {
    
                    e.printStackTrace();
    
                }
    

    
                if (ffmpegProcess != null) {
    
                    ffmpegProcess.destroy();
    
                }
    
                return null;
    
            }
    

    
            protected void onPostExecute(Void... result) {
    
// show result
    
               Toast toast = Toast.makeText(VideoEditorActivity.this, "Done Processing Video", Toast.LENGTH_LONG);
    
                toast.show();
    
            }
    
        }

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