Video Quality Inspector
Automated video quality control. Detect black screens, frozen images, and check for stream corruption.
Detect Black Frames
Find where the video goes black.
ffmpeg -i input.mp4 -vf blackdetect=d=2:pix_th=0.00 -f null -
Note:Detects black intervals longer than 2 seconds.
pix_th is threshold (0.00 is complete black).Detect Freeze Frames
Find where the video freezes.
ffmpeg -i input.mp4 -vf freezedetect=n=-60dB:d=2 -f null -
Note:Detects frozen video lasting longer than 2 seconds.
n is noise tolerance.VIDEO API
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