mirror of
https://github.com/mpv-player/mpv
synced 2025-02-25 01:37:21 +00:00
Better phrasing suggested by The Wanderer
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@13488 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
parent
2c5688f920
commit
0f02e25873
@ -5523,7 +5523,7 @@ quantizer factor between B and non B frames (pass\ 1/\:2) (default: 1.25)
|
||||
.
|
||||
.TP
|
||||
.B vi_qfactor=<-31.0\-31.0>
|
||||
quantizer factor between I and non I frames (pass\ 1/\:2) (default: 0.8)
|
||||
quantizer factor between I and non-I frames (pass\ 1/\:2) (default: 0.8)
|
||||
.
|
||||
.TP
|
||||
.B vb_qoffset=<-31.0\-31.0>
|
||||
@ -5854,13 +5854,13 @@ sane range
|
||||
.TP
|
||||
.B tcplx_mask=<0.0\-1.0>
|
||||
temporal complexity masking (default: 0.0 (disabled))
|
||||
Imagine a scene with a bird flying across the whole scene, tcplx_mask
|
||||
Imagine a scene with a bird flying across the whole scene; tcplx_mask
|
||||
will decrease the quantizers of the bird's macroblocks (thus decreasing their
|
||||
quality) as the human eye usually does not have time to see all the bird's
|
||||
quality), as the human eye usually does not have time to see all the bird's
|
||||
details.
|
||||
Be warned that if the masked object stops (e.g.\& the bird lands) it is
|
||||
likely to look horrible for a a short period of time (until the encoder
|
||||
figures out that the object is not moving and needs refined blocks).
|
||||
likely to look horrible for a a short period of time, until the encoder
|
||||
figures out that the object is not moving and needs refined blocks.
|
||||
The saved bits will be spent on other parts of the video, which may increase
|
||||
subjective quality, provided that tcplx_mask is carefully chosen.
|
||||
.
|
||||
@ -5870,9 +5870,9 @@ Spatial complexity masking.
|
||||
Larger values help against blockiness, if no deblocking filter is used for
|
||||
decoding, which is maybe not a good idea.
|
||||
.br
|
||||
Imagine a scene with grass (which usually has a great spatial complexity),
|
||||
a blue sky and a house, scplx_mask will raise the quantizers of the grass'
|
||||
macroblocks (thus decreasing its quality), in order to spend more bits on
|
||||
Imagine a scene with grass (which usually has great spatial complexity),
|
||||
a blue sky and a house; scplx_mask will raise the quantizers of the grass'
|
||||
macroblocks, thus decreasing its quality, in order to spend more bits on
|
||||
the sky and the house.
|
||||
.br
|
||||
.I HINT:
|
||||
@ -5888,15 +5888,15 @@ sane range
|
||||
.I NOTE:
|
||||
This setting does not have the same effect as using a custom matrix that
|
||||
whould compress high frequencies harder, as scplx_mask will reduce the
|
||||
quality of P-blocks even if only DC is changing, which will probably not
|
||||
look as good.
|
||||
quality of P blocks even if only DC is changing.
|
||||
The result of scplx_mask will probably not look as good.
|
||||
.
|
||||
.TP
|
||||
.B p_mask=<0.0\-1.0> (also see vi_qfactor)
|
||||
Reduces the quality of inter blocks, which is equivalent to increasing
|
||||
the quality of intra blocks, since the same average bitrate will be
|
||||
distributed by the rate controller to the whole video sequence
|
||||
(default: 0.0 (disabled)).
|
||||
Reduces the quality of inter blocks.
|
||||
This is equivalent to increasing the quality of intra blocks, because the
|
||||
same average bitrate will be distributed by the rate controller to the
|
||||
whole video sequence (default: 0.0 (disabled)).
|
||||
p_mask=1.0 doubles the bits allocated to each intra block.
|
||||
.
|
||||
.TP
|
||||
|
Loading…
Reference in New Issue
Block a user