diff options
| author |  gpoirier <gpoirier@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2005-07-11 17:52:03 +0000 |
|---|---|---|
| committer | gpoirier <gpoirier@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2005-07-11 17:52:03 +0000 |
| commit | c60555edbf80b05838156a103f180cdb5d405654 (patch) | |
| tree | cb5f8105095ea0f5f48a8fc9e0d786ef920167b2 /DOCS | |
| parent | fc245d56826de987a556c0583c3094ff8f521f17 (diff) | |
x264 fast first pass, patch by Robert Swain < robert POUM swain AH gmail POUM com >
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@15965 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'DOCS')
| -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 |