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Diffstat (limited to 'DOCS/man/en/mplayer.1')
-rw-r--r-- | DOCS/man/en/mplayer.1 | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/DOCS/man/en/mplayer.1 b/DOCS/man/en/mplayer.1 index 4791b0d74d..94d632bc0f 100644 --- a/DOCS/man/en/mplayer.1 +++ b/DOCS/man/en/mplayer.1 @@ -7947,6 +7947,31 @@ both fast and provide good quality. .REss . .TP +.B turbo=<0\-2> +Fast first pass mode. +During the first pass of a 2 or more pass encode it is possible to gain +speed through disabling some options with negligible to no impact on the +final pass output quality. +.PD 0 +.RSs +.IPs 0 +disabled (default) +.IPs 1 +reduce subq, frameref and disable some inter macroblock partition analysis +modes +.IPs 2 +reduce subq and frameref to 1, use a diamond ME search and disable all +sub-partition analysis modes +.RE +.RS +Level 1 can increase first pass speed up to 2x with no change in the global +PSNR of the final pass compared to a full quality first pass. +.br +Level 2 can increase first pass speed up to 4x with about +/- 0.05dB change +in the global PSNR of the final pass compared to a full quality first pass. +.REss +. +.TP .B keyint=<value> Sets maximum interval between IDR-frames (default: 250). Larger values save bits, thus improve quality, at the cost of seeking |