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41 views

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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9 views

Using GoPro Studio to edit non-GoPro videos

I'm trying to use GoPro Studio to create a video that includes GoPro video as well as HD video from an iPhone. GoPro Studio was not able to deal with the .MOV file from the iPhone (the audio was ...
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39 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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36 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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185 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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98 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 ...