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Set ipad compatible thumbs for mp4 videos based on a frame of the video with command line

I have a directory of 100 mp4 files. All are working well on my ipad but most of them do not have a working thumb. I want to generate these thumbs with a command line command (on macosx) based on a ...
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36 views

ffmpeg output does not play

I'm trying to transcode an uncompressed AVI ~27GB in size to an MP4. I'm using the following command: ffmpeg -i input.avi -c:v libx264 -preset slow -crf 20 -c:a copy output.mp4 The resultant MP4 ...
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30 views

Creating a stream containing only hardsubed subtitles

I'm trying to achieve the following: I have an mp4 file with a single stream, for which I created an .ass file (it is important that the styling and positions in .ass are preserved when ...
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172 views

Get original timecode from DV avi and use it with ffmpeg

With FFMPEG (on Ubuntu linux pc) I am trying to draw the original timecode from DV avi file (captured from miniDV cassette with EDIUS 4 and 5 in Windows) to an output mp4 file. For my script I need ...
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90 views

Where to start Transcoding with FFMPEG?

I would like to learn a lot about Transcoding video files with FFMPEG from any format to mp4 (hH264/AAC) format. We have a large repository of video files ranging from 1 MB to 2 GB of various formats ...