Module av_metrics::video::psnr

Peak Signal-to-Noise Ratio metric.

PSNR is most easily defined via the mean squared error between two images.

See https://en.wikipedia.org/wiki/Peak_signal-to-noise_ratio for more details.

Functions

• calculate_frame_psnr
  Calculates the PSNR for two video frames. Higher is better.
• calculate_video_apsnr
  Calculates the APSNR for two videos. Higher is better.
• calculate_video_psnr
  Calculates the PSNR for two videos. Higher is better.