Dendory Network


Hi, my name is Patrick Lambert and I'm a tech worker, blogger, anime fan, digital artist and video gamer. I live in Montreal, Canada and have over 15 years of experience in technology.

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Connect with me on LinkedIn patrick-lambert-530383162

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Digital art galleries dendory

My YouTube channel elfguy

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Image and video conversion with FFmpeg and ImageMagick

These commands require FFmpeg and ImageMagick, available for both Windows and Linux.

Convert an AVI to MP4

ffmpeg -i input.avi -c:v libx264 -crf 19 -preset slow -c:a aac -b:a 192k -ac 2 out.mp4

Auto orient, resize and change quality of an image

convert -auto-orient input.jpg -resize 2048 -quality 80 output.jpg

Convert a series of images into a video

ffmpeg -pattern_type glob -i 'cam*.jpg' -c:v libx264 out.mp4