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Video Processing 02 - FFmpeg Mastery exam with complete solutions

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How do you resize a video to 720p using FFmpeg? ffmpeg -i 4 -vf scale=1280:720 4 What filter would you use to rotate a video 90 degrees clockwise? ffmpeg -i 4 -vf transpose=1 4 How can you increase the brightness of a video? ffmpeg -i 4 -vf eq=brightness=0.05 4 What FFmpeg filter adds a watermark to a video? ffmpeg -i 4 -i -filter_complex "overlay=10:10" 4 How can you convert a video to grayscale? ffmpeg -i 4 -vf format=gray 4 What command adds a fade-in effect to the first 5 seconds of a video? ffmpeg -i 4 -vf "fade=t=in:st=0:d=5" 4 How to speed up a video playback by 2 times? ffmpeg -i 4 -filter:v "setpts=0.5*PTS" 4 What filter would you use to mirror a video horizontally? ffmpeg -i 4 -vf "hflip" 4 How do you add a blur effect to a video? ffmpeg -i 4 -vf "boxblur=10:1" 4 How to decrease the audio volume by half? ffmpeg -i 4 -filter:a "volume=0.5" 4 What command inverts the colors of a video? ffmpeg -i 4 -vf "lutrgb=r=negval:g=negval:b=negval" 4 How can you stabilize shaky video footage? ffmpeg -i 4 -vf vidstabdetect -vf vidstabtransform 4 What filter adjusts the contrast of a video? ffmpeg -i 4 -vf "eq=contrast=1.5" 4 How to create a video thumbnail at the 10-second mark? ffmpeg -ss 00:00:10 -i 4 -vframes 1 What command crops a video to a 100x100 square starting from the top-left corner? ffmpeg -i 4 -vf "crop=10

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Video Processing 02 - FFmpeg Mastery exam
with complete solutions

How do you resize a video to 720p using FFmpeg? - ANSWER-ffmpeg
-i input.mp4 -vf scale=1280:720 output.mp4

What filter would you use to rotate a video 90 degrees clockwise? -
ANSWER-ffmpeg -i input.mp4 -vf transpose=1 output.mp4

How can you increase the brightness of a video? - ANSWER-ffmpeg -i
input.mp4 -vf eq=brightness=0.05 output.mp4

What FFmpeg filter adds a watermark to a video? - ANSWER-ffmpeg -
i input.mp4 -i watermark.png -filter_complex "overlay=10:10"
output.mp4

How can you convert a video to grayscale? - ANSWER-ffmpeg -i
input.mp4 -vf format=gray output.mp4

What command adds a fade-in effect to the first 5 seconds of a
video? - ANSWER-ffmpeg -i input.mp4 -vf "fade=t=in:st=0:d=5"
output.mp4

How to speed up a video playback by 2 times? - ANSWER-ffmpeg -i
input.mp4 -filter:v "setpts=0.5*PTS" output.mp4

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