2016-12-30, 19:35
opps it's
ffmpeg -i SVT_1080p50.mkv -i result.mkv -lavfi ssim;[0:v][1:v]psnr -f null - > metrics.txt 2>&1
and not
ffmpeg -i SVT_1080p50.mkv -i result.mkv -lavfi ssim;[0:v][1:v]psnr -f null - > metrics.txt
ffmpeg -i SVT_1080p50.mkv -i result.mkv -lavfi ssim;[0:v][1:v]psnr -f null - > metrics.txt 2>&1
and not
ffmpeg -i SVT_1080p50.mkv -i result.mkv -lavfi ssim;[0:v][1:v]psnr -f null - > metrics.txt