8 Answered Questions for the topic ffmpeg

07/14/19

How do I speedup encoding of a video that has just 1 static frame with ffmpeg and lib264 library?
I'm making mp4 (libx264 + aac) videos that have just one static image throughout the whole video. It's basically a narrated text with a nice background.The question I've is how could I speed up... more
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07/06/19

How to fade in/out a video/audio clip with unknown duration?
I'm working on a project where I'm using ffmpeg to batch convert some video files, and adding fade in/out effects at the head and tail of each clip.I've been using this bit of code to add the... more
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06/28/19

Combine multiple videos as separate streams in one mkv file?
So I have multiple videos of the same scenery from different angles. These are stored as separate files. Can I combine these as multiple video streams within one file? For example I know this is... more
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06/06/19

Creating stereoscopic video from two video files?
I've got two video files, each created with ffmpeg from a series of JPEG images, which I've obtained from rendering with a stereo camera in Maya.I would like to somehow merge together these videos... more
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06/05/19

How to detect whether a video is shaky?
I need to stabilize a video only when the video is shaky , I have succesfully stabilized a video using ffmpeg and I do not need to stabilize all the videos , I only need to stabilize the videos... more
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05/04/19

How do I prevent Quality loss in the beginning of a video?
My company transcodes videos sent in by users (recorder by our own screenrecording software)I use FFMpeg to do the work using this command: /ffmpeg/ffmpeg -i in.mov -vcodec libx264 -fpre... more
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04/02/19

Reduce quality percentage wise?
I have several movie files in a `mkv` container.`ffmpeg -i filename` gives me the following output: Stream #0.0(eng): Video: h264 (High), yuv420p, 1280x720, PAR 1:1 DAR 16:9, 23.98 fps, 23.98... more
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03/18/19

Screen cast and capture video cam and show both on screen using ffmpeg?
I'm using the following command to capture my screen cast and laptop video camera at the same time. Video from the cameraappears in a smallish window in bottom right of the screen cast.This works,... more
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