Tag Archives: ffmpeg

Journal of 10/14/2012

Four images per one second IMG_0001.JPG, 2012:10:14 13:20:16, f/5.6, 0.013(1/80), ISO 100 IMG_0002.JPG, 2012:10:14 13:20:52, f/5.6, 0.013(1/80), ISO 100 IMG_0003.JPG, 2012:10:14 13:22:24, f/5.6, 0.013(1/80), ISO 100 IMG_0004.JPG, 2012:10:14 13:24:23, f/5.6, 0.013(1/80), ISO 100 IMG_0005.JPG, 2012:10:14 13:24:38, f/5.6, 0.013(1/80), ISO 100 … Continue reading

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Journal of 10/12/2012

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Journal of 10/7/2012

Duration: 11:35:59 – 16:17:11 Interval: 1 minute Made by ffmpeg: $ cat *.jpg | ffmpeg -f image2pipe -r 1/0.5 -vcodec mjpeg -i – -vcodec libx264 output.mp4 I gotta love time lapse photograph. SmaTrig rocks! $ jhead IMG_0003.JPG File name : … Continue reading

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Spectacular failure of convert

convert is part of ImageMagick package for image manipulation. It does have a lot of features. I use it most of time for post processing photo images. $ convert –version Version: ImageMagick 6.7.7-10 2012-07-30 Q16 http://www.imagemagick.org Copyright: Copyright (C) 1999-2012 … Continue reading

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Video editing force me to get new system. Sigh!

For last few days I spent many hours to learn about video editing in GNU/Linux. GoPro HD Hero2 camera produces big MP4 files. For example 25 minutes of video file is around 2.3 GB at 1280×960 (default) resolution. I was … Continue reading

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FFmpeg How-to

(2/3/2013;) When use libx264 option to create a MP4 video file, make sure the image resolution is both even numbers. For example 577×780 would produce ‘577 can’t be divided by 2.’ How to calculate video bitrate? Kush gauge: pixel count … Continue reading

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Camera equipment

(2014/04/06; 01/25/2013; 10/10/2012; 8/06/2012; 8/01/2012; 7/26/2012; 7/20/2012;) Have: Camera: Nikon D200, Canon EOS Rebel XS (1000D), GoPro HD Hero 2 Lens: Nikon AF-S Nikkor 18-55, Nikon 300mm f/4 lens (lens hood, UV filter), EF-S55-250mm f/4-5.6 IS, EFS 18-55mm Fotodiox lens … Continue reading

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