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  • AWS MediaConvert generating double length video

    1er mai 2024, par user1hjgjhgjhggjhg

    I am new to aws media convert. I am trying to convert the video but the final output video becomes double the length from the original one. for example if I have a video 30 seconds long, it will create 60 seconds long final video. Below is my son.

    


    {
  "Queue": "arn:aws:mediaconvert:us-west-2:730335xxxxx:queues/Default",
  "UserMetadata": {},
  "Role": "arn:aws:iam::73033541xxxx:role/service-role/MediaConvert_Default_Role",
  "Settings": {
    "TimecodeConfig": {
      "Source": "ZEROBASED"
    },
    "OutputGroups": [
      {
        "Name": "DASH ISO",
        "Outputs": [
          {
            "ContainerSettings": {
              "Container": "MPD"
            },
            "VideoDescription": {
              "CodecSettings": {
                "Codec": "H_264",
                "H264Settings": {
                  "MaxBitrate": 3500000,
                  "RateControlMode": "QVBR",
                  "SceneChangeDetect": "TRANSITION_DETECTION"
                }
              }
            },
            "NameModifier": "_output1"
          }
        ],
        "OutputGroupSettings": {
          "Type": "DASH_ISO_GROUP_SETTINGS",
          "DashIsoGroupSettings": {
            "SegmentLength": 30,
            "Destination": "s3://tutorial/video/",
            "FragmentLength": 2,
            "SegmentControl": "SINGLE_FILE"
          }
        }
      }
    ],
    "FollowSource": 1,
    "Inputs": [
      {
        "AudioSelectors": {
          "Audio Selector 1": {
            "DefaultSelection": "DEFAULT"
          }
        },
        "VideoSelector": {},
        "TimecodeSource": "ZEROBASED",
        "FileInput": "s3://tutorial/video/11 - video.mp4"
      }
    ]
  },
  "BillingTagsSource": "JOB",
  "AccelerationSettings": {
    "Mode": "DISABLED"
  },
  "StatusUpdateInterval": "SECONDS_60",
  "Priority": 0
}


    


    Please help

    


  • Adding watermark to video

    27 avril 2018, par equallyhero

    I am able to use the moviepy library to add a watermark to a section of video. However when I do this it is taking the watermarked segment, and creating a new file with it. I am trying to figure out if it is possible to simply splice in the edited part back into the original video, as moviepy is EXTREMELY slow writing to the disk, so the smaller the segment the better.

    I was thinking maybe using shutil ?

    video = mp.VideoFileClip("C:\\Users\\admin\\Desktop\\Test\\demovideo.mp4").subclip(10,20)
    

    
logo = (mp.ImageClip("C:\\Users\\admin\\Desktop\\Watermark\\watermarkpic.png")
    
          .set_duration(20)
    
          .resize(height=20) # if you need to resize...
    
          .margin(right=8, bottom=8, opacity=0) # (optional) logo-border padding
    
          .set_pos(("right","bottom")))
    

    
final = mp.CompositeVideoClip([video, logo])
    
final.write_videofile("C:\\Users\\admin\\Desktop\\output\\demovideo(watermarked).mp4", audio = True, progress_bar = False)

    Is there a way to copy the 10 second watermarked snippet back into the original video file ? Or is there another library that allows me to do this ?

  • FFMPEG combining MP4 videos with same encoding not working, only showing first video

    13 avril 2020, par Ayudh

    My mp4 videos have the same encoding : h264

    



    I know because I ran this command on them :

    



    ffprobe -v error -select_streams v:0 -show_entries stream=codec_name -of default=noprint_wrappers=1:nokey=1 a.mp4

    



    Now I combine them using the following command :

    



    ffmpeg -loglevel quiet -f concat -safe 0 -i video-list.txt -c copy video-final.mp4

    



    my video-list.txt file looks like this :

    



    file 'a.mp4'
file 'b.mp4'
file 'c.mp4'


    



    Now the video-final.mp4 which is the combined video actually has duration which is equal to the sum of its' component videos and also is quite larger in size. The issue is that when I play the video, it only plays the first video then stops.

    



    What's going on here ? Any insight would be appreciated.

    



    I've looked at : ffmpeg : Combine/merge multiple mp4 videos not working, output only contains the first video and the answers suggested there are the ones I'm using : specifically, concating from a text file containing the component videos.

    


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