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ffmpeg motion interpolation for 2x and 4x slowmotion


ffmpeg motion interpolation for 2x and 4x slowmotion

By : Ribbon Charm
Date : November 25 2020, 07:27 PM
Does that help You are currently generating a 120fps video at normal speed. To do a slow-mo you need to slow it down by 4x ffmpeg -i input.avi -filter "minterpolate='fps=120',setpts=4*PTS" output.avi
should do the trick.
code :


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Android, How to convert video into slow motion and play it in slow motion using FFmpeg

Android, How to convert video into slow motion and play it in slow motion using FFmpeg


By : Bruce Zhang
Date : March 29 2020, 07:55 AM
this one helps. What about this?
String cmd1 = "-i " + inputpath.mp4 + " " + "-filter:v" + " " + "\"setpts=0.5*PTS\"" + " " + Environment.getExternalStorageDirectory().getAbsolutePath() + "/hij.mp4";
FFmpeg how to get an image for a particular 'coded_picture_number' together with motion vectors

FFmpeg how to get an image for a particular 'coded_picture_number' together with motion vectors


By : Soonho Kwon
Date : March 29 2020, 07:55 AM
hop of those help? I am looking for ways to get this output from ffmpeg: , This
code :
ffmpeg -flags2 +export_mvs -i video.avi -vf 'select=gte(n\,200),codecview=mv=pf+bf+bb' -vframes 1 frame.png
FFMPEG: Fixing stutter in low-motion areas

FFMPEG: Fixing stutter in low-motion areas


By : user1459122
Date : March 29 2020, 07:55 AM
help you fix your problem The motion vectors are computed by the encoder (x264), not ffmpeg. Your video remains 1080p, not 360p, for which the given bitrate is very low, so during quantization, subtle changes will get flattened out.
There can only one simple filtergraph per output-stream, so
code :
-vf "scale=trunc(360*iw/ih/4)*4:360" \
-vf "settb=1/1000" \
-vf "scale=trunc(360*iw/ih/4)*4:360,settb=1/1000" \
Modifying motion vectors in ffmpeg H.264 decoder

Modifying motion vectors in ffmpeg H.264 decoder


By : MARWAN
Date : March 29 2020, 07:55 AM
will help you It's been a long time i have been out of touch with FFMPEG's code internally.
However, given my experience with inside FFMPEG horrors (you would know what i mean), i would rather give you a simple pragmatic advice.
ffmpeg motion interpolation alternatives or speedup

ffmpeg motion interpolation alternatives or speedup


By : Gino
Date : March 29 2020, 07:55 AM
around this issue I use ffmpeg to create videos, it is awesome tool. I create videos from pictures and need to make them as smooth as possible. I found, that what I need called 'motion interpolation'. I started to search all forums, and found only 3 things can help me: slowmovideo, butterflow and new ffmpeg's filter minterpolate. ,
Is there any ways to motion interpolate frames on GPU?
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