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author | corey <corey@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2006-01-29 19:56:35 +0000 |
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committer | corey <corey@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2006-01-29 19:56:35 +0000 |
commit | cd374b05a5d602bf68aa07c38540463d8e49fa0b (patch) | |
tree | b61b44424f4203669018898a22150414d4fb3ed8 /DOCS/man | |
parent | c023deb2b40ae1d45ae6aa6edc33b4fa1f74a12c (diff) | |
download | mpv-cd374b05a5d602bf68aa07c38540463d8e49fa0b.tar.bz2 mpv-cd374b05a5d602bf68aa07c38540463d8e49fa0b.tar.xz |
More detailed description of brd_scale.
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@17507 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'DOCS/man')
-rw-r--r-- | DOCS/man/en/mplayer.1 | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/DOCS/man/en/mplayer.1 b/DOCS/man/en/mplayer.1 index e83887ff66..8124d39e79 100644 --- a/DOCS/man/en/mplayer.1 +++ b/DOCS/man/en/mplayer.1 @@ -6897,8 +6897,13 @@ option brd_scale. .TP .B brd_scale=<0\-10> Downscales frames for dynamic B-frame decision (default: 0). -Speed should increase by a factor of 4 every time brd_scale is increased -by 1. +Each time brd_scale is increased by one, the frame dimensions are +divided by two, which improves speed by a factor of four. +Both dimensions of the fully downscaled frame must be even numbers, so +brd_scale=1 requires the original dimensions to be multiples of four, +brd_scale=2 requires multiples of eight, etc. +In other words, the dimensions of the original frame must both be +divisible by 2^(brd_scale+1) with no remainder. . .TP .B bidir_refine=<0\-4> |