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Diffstat (limited to 'DOCS/man/en/mplayer.1')
| -rw-r--r-- | DOCS/man/en/mplayer.1 | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/DOCS/man/en/mplayer.1 b/DOCS/man/en/mplayer.1 index ceff91994a..f491400585 100644 --- a/DOCS/man/en/mplayer.1 +++ b/DOCS/man/en/mplayer.1 @@ -7005,6 +7005,7 @@ strategy to choose between I/P/B-frames: Always use the maximum number of B-frames (default). .IPs 1 Avoid B-frames in high motion scenes. +See the b_sensitivity option to tune this strategy. .IPs 2 Places B-frames more or less optimally to yield maximum quality (slower). You may want to reduce the speed impact of this option by tuning the @@ -7013,6 +7014,17 @@ option brd_scale. .PD 1 . .TP +.B b_sensitivity=<any integer greater than 0> +Adjusts how sensitively vb_strategy=1 detects motion and avoids using +B-frames (default: 40). +Lower sensitivities will result in more B-frames. +Using more B-frames usually improves PSNR, but too many B-frames can +hurt quality in high-motion scenes. +Unless there is an extremely high amount of motion, b_sensitivity can +safely be lowered below the default; 10 is a reasonable value in most +cases. +. +.TP .B brd_scale=<0\-10> Downscales frames for dynamic B-frame decision (default: 0). Each time brd_scale is increased by one, the frame dimensions are |