mirror of
https://github.com/mpv-player/mpv
synced 2024-12-28 01:52:19 +00:00
2e1063d781
Use the option parser instead of sscanf. Remove the parameter changing
the field dominance (it has been marked deprecated for ages). Add a new
suboption "enabled", which can be used to disable the filter by default,
until it's enabled at runtime:
mpv -vf yadif=enabled=no
774 lines
29 KiB
ReStructuredText
774 lines
29 KiB
ReStructuredText
.. _video_filters:
|
|
|
|
VIDEO FILTERS
|
|
=============
|
|
|
|
Video filters allow you to modify the video stream and its properties. The
|
|
syntax is:
|
|
|
|
--vf=<filter1[=parameter1:parameter2:...],filter2,...>
|
|
Setup a chain of video filters.
|
|
|
|
Many parameters are optional and set to default values if omitted. To
|
|
explicitly use a default value set a parameter to '-1'. Parameters w:h means
|
|
width x height in pixels, x:y means x;y position counted from the upper left
|
|
corner of the bigger image.
|
|
|
|
*NOTE*: To get a full list of available video filters, see ``--vf=help``.
|
|
|
|
Video filters are managed in lists. There are a few commands to manage the
|
|
filter list.
|
|
|
|
--vf-add=<filter1[,filter2,...]>
|
|
Appends the filters given as arguments to the filter list.
|
|
|
|
--vf-pre=<filter1[,filter2,...]>
|
|
Prepends the filters given as arguments to the filter list.
|
|
|
|
--vf-del=<index1[,index2,...]>
|
|
Deletes the filters at the given indexes. Index numbers start at 0,
|
|
negative numbers address the end of the list (-1 is the last).
|
|
|
|
--vf-clr
|
|
Completely empties the filter list.
|
|
|
|
With filters that support it, you can access parameters by their name.
|
|
|
|
--vf=<filter>=help
|
|
Prints the parameter names and parameter value ranges for a particular
|
|
filter.
|
|
|
|
--vf=<filter=named_parameter1=value1[:named_parameter2=value2:...]>
|
|
Sets a named parameter to the given value. Use on and off or yes and no to
|
|
set flag parameters.
|
|
|
|
Available filters are:
|
|
|
|
crop[=w:h:x:y]
|
|
Crops the given part of the image and discards the rest. Useful to remove
|
|
black bands from widescreen movies.
|
|
|
|
<w>,<h>
|
|
Cropped width and height, defaults to original width and height.
|
|
<x>,<y>
|
|
Position of the cropped picture, defaults to center.
|
|
|
|
expand[=w:h:x:y:aspect:round]
|
|
Expands (not scales) movie resolution to the given value and places the
|
|
unscaled original at coordinates x, y.
|
|
|
|
<w>,<h>
|
|
Expanded width,height (default: original width,height). Negative
|
|
values for w and h are treated as offsets to the original size.
|
|
|
|
*EXAMPLE*:
|
|
|
|
`expand=0:-50:0:0`
|
|
Adds a 50 pixel border to the bottom of the picture.
|
|
|
|
<x>,<y>
|
|
position of original image on the expanded image (default: center)
|
|
|
|
<aspect>
|
|
Expands to fit an aspect instead of a resolution (default: 0).
|
|
|
|
*EXAMPLE*:
|
|
|
|
`expand=800:::::4/3`
|
|
Expands to 800x600, unless the source is higher resolution, in
|
|
which case it expands to fill a 4/3 aspect.
|
|
|
|
<round>
|
|
Rounds up to make both width and height divisible by <r> (default: 1).
|
|
|
|
flip
|
|
Flips the image upside down. See also ``--flip``.
|
|
|
|
mirror
|
|
Mirrors the image on the Y axis.
|
|
|
|
rotate[=<0-7>]
|
|
Rotates the image by 90 degrees and optionally flips it. For values
|
|
between 4-7 rotation is only done if the movie geometry is portrait and
|
|
not landscape.
|
|
|
|
:0: Rotate by 90 degrees clockwise and flip (default).
|
|
:1: Rotate by 90 degrees clockwise.
|
|
:2: Rotate by 90 degrees counterclockwise.
|
|
:3: Rotate by 90 degrees counterclockwise and flip.
|
|
|
|
scale[=w:h[:interlaced[:chr_drop[:par[:par2[:noup[:arnd]]]]]]]
|
|
Scales the image with the software scaler (slow) and performs a YUV<->RGB
|
|
colorspace conversion (see also ``--sws``).
|
|
|
|
<w>,<h>
|
|
scaled width/height (default: original width/height)
|
|
|
|
:0: scaled d_width/d_height
|
|
:-1: original width/height
|
|
:-2: Calculate w/h using the other dimension and the prescaled
|
|
aspect ratio.
|
|
:-3: Calculate w/h using the other dimension and the original
|
|
aspect ratio.
|
|
:-(n+8): Like -n above, but rounding the dimension to the closest
|
|
multiple of 16.
|
|
|
|
<interlaced>
|
|
Toggle interlaced scaling.
|
|
|
|
:0: off (default)
|
|
:1: on
|
|
|
|
<chr_drop>
|
|
chroma skipping
|
|
|
|
:0: Use all available input lines for chroma.
|
|
:1: Use only every 2. input line for chroma.
|
|
:2: Use only every 4. input line for chroma.
|
|
:3: Use only every 8. input line for chroma.
|
|
|
|
<par>[:<par2>] (see also ``--sws``)
|
|
Set some scaling parameters depending on the type of scaler selected
|
|
with ``--sws``.
|
|
|
|
| --sws=2 (bicubic): B (blurring) and C (ringing)
|
|
| 0.00:0.60 default
|
|
| 0.00:0.75 VirtualDub's "precise bicubic"
|
|
| 0.00:0.50 Catmull-Rom spline
|
|
| 0.33:0.33 Mitchell-Netravali spline
|
|
| 1.00:0.00 cubic B-spline
|
|
|
|
--sws=7 (gaussian): sharpness (0 (soft) - 100 (sharp))
|
|
|
|
--sws=9 (lanczos): filter length (1-10)
|
|
|
|
<noup>
|
|
Disallow upscaling past the original dimensions.
|
|
|
|
:0: Allow upscaling (default).
|
|
:1: Disallow upscaling if one dimension exceeds its original value.
|
|
:2: Disallow upscaling if both dimensions exceed their original values.
|
|
|
|
<arnd>
|
|
Accurate rounding for the vertical scaler, which may be faster or
|
|
slower than the default rounding.
|
|
|
|
:0: Disable accurate rounding (default).
|
|
:1: Enable accurate rounding.
|
|
|
|
dsize[=aspect|w:h:aspect-method:r]
|
|
Changes the intended display size/aspect at an arbitrary point in the
|
|
filter chain. Aspect can be given as a fraction (4/3) or floating point
|
|
number (1.33). Alternatively, you may specify the exact display width and
|
|
height desired. Note that this filter does *not* do any scaling itself; it
|
|
just affects what later scalers (software or hardware) will do when
|
|
auto-scaling to correct aspect.
|
|
|
|
<w>,<h>
|
|
New display width and height.
|
|
|
|
Can also be these special values:
|
|
|
|
:0: original display width and height
|
|
:-1: original video width and height (default)
|
|
:-2: Calculate w/h using the other dimension and the original display
|
|
aspect ratio.
|
|
:-3: Calculate w/h using the other dimension and the original video
|
|
aspect ratio.
|
|
|
|
*EXAMPLE*:
|
|
|
|
``dsize=800:-2``
|
|
Specifies a display resolution of 800x600 for a 4/3 aspect video,
|
|
or 800x450 for a 16/9 aspect video.
|
|
|
|
<aspect-method>
|
|
Modifies width and height according to original aspect ratios.
|
|
|
|
:-1: Ignore original aspect ratio (default).
|
|
:0: Keep display aspect ratio by using <w> and <h> as maximum
|
|
resolution.
|
|
:1: Keep display aspect ratio by using <w> and <h> as minimum
|
|
resolution.
|
|
:2: Keep video aspect ratio by using <w> and <h> as maximum
|
|
resolution.
|
|
:3: Keep video aspect ratio by using <w> and <h> as minimum
|
|
resolution.
|
|
|
|
*EXAMPLE*:
|
|
|
|
``dsize=800:600:0``
|
|
Specifies a display resolution of at most 800x600, or smaller, in
|
|
order to keep aspect.
|
|
|
|
<r>
|
|
Rounds up to make both width and height divisible by <r> (default: 1).
|
|
|
|
format[=fmt[:outfmt]]
|
|
Restricts the colorspace for the next filter without doing any conversion.
|
|
Use together with the scale filter for a real conversion.
|
|
|
|
*NOTE*: For a list of available formats see ``format=fmt=help``.
|
|
|
|
<fmt>
|
|
format name like rgb15, bgr24, 420p, etc (default: yuyv)
|
|
<outfmt>
|
|
Format name that should be substituted for the output. If this is not
|
|
100% compatible with the <fmt> value it will crash.
|
|
|
|
*EXAMPLE*
|
|
|
|
====================== =====================
|
|
Valid Invalid (will crash)
|
|
====================== =====================
|
|
``format=rgb24:bgr24`` ``format=rgb24:420p``
|
|
``format=yuyv:uyvy``
|
|
====================== =====================
|
|
|
|
noformat[=fmt]
|
|
Restricts the colorspace for the next filter without doing any conversion.
|
|
Unlike the format filter, this will allow any colorspace except the one
|
|
you specify.
|
|
|
|
*NOTE*: For a list of available formats see ``noformat=fmt=help``.
|
|
|
|
<fmt>
|
|
format name like rgb15, bgr24, 420p, etc (default: 420p)
|
|
|
|
pp[=filter1[:option1[:option2...]]/[-]filter2...]
|
|
Enables the specified chain of postprocessing subfilters. Subfilters must
|
|
be separated by '/' and can be disabled by prepending a '-'. Each
|
|
subfilter and some options have a short and a long name that can be used
|
|
interchangeably, i.e. dr/dering are the same. All subfilters share common
|
|
options to determine their scope:
|
|
|
|
a/autoq
|
|
Automatically switch the subfilter off if the CPU is too slow.
|
|
c/chrom
|
|
Do chrominance filtering, too (default).
|
|
y/nochrom
|
|
Do luminance filtering only (no chrominance).
|
|
n/noluma
|
|
Do chrominance filtering only (no luminance).
|
|
|
|
*NOTE*: ``--pphelp`` shows a list of available subfilters.
|
|
|
|
Available subfilters are:
|
|
|
|
hb/hdeblock[:difference[:flatness]]
|
|
horizontal deblocking filter
|
|
|
|
:<difference>: Difference factor where higher values mean more
|
|
deblocking (default: 32).
|
|
:<flatness>: Flatness threshold where lower values mean more
|
|
deblocking (default: 39).
|
|
|
|
vb/vdeblock[:difference[:flatness]]
|
|
vertical deblocking filter
|
|
|
|
:<difference>: Difference factor where higher values mean more
|
|
deblocking (default: 32).
|
|
:<flatness>: Flatness threshold where lower values mean more
|
|
deblocking (default: 39).
|
|
|
|
ha/hadeblock[:difference[:flatness]]
|
|
accurate horizontal deblocking filter
|
|
|
|
:<difference>: Difference factor where higher values mean more
|
|
deblocking (default: 32).
|
|
:<flatness>: Flatness threshold where lower values mean more
|
|
deblocking (default: 39).
|
|
|
|
va/vadeblock[:difference[:flatness]]
|
|
accurate vertical deblocking filter
|
|
|
|
:<difference>: Difference factor where higher values mean more
|
|
deblocking (default: 32).
|
|
:<flatness>: Flatness threshold where lower values mean more
|
|
deblocking (default: 39).
|
|
|
|
The horizontal and vertical deblocking filters share the difference and
|
|
flatness values so you cannot set different horizontal and vertical
|
|
thresholds.
|
|
|
|
h1/x1hdeblock
|
|
experimental horizontal deblocking filter
|
|
|
|
v1/x1vdeblock
|
|
experimental vertical deblocking filter
|
|
|
|
dr/dering
|
|
deringing filter
|
|
|
|
tn/tmpnoise[:threshold1[:threshold2[:threshold3]]]
|
|
temporal noise reducer
|
|
|
|
:<threshold1>: larger -> stronger filtering
|
|
:<threshold2>: larger -> stronger filtering
|
|
:<threshold3>: larger -> stronger filtering
|
|
|
|
al/autolevels[:f/fullyrange]
|
|
automatic brightness / contrast correction
|
|
|
|
:f/fullyrange: Stretch luminance to (0-255).
|
|
|
|
lb/linblenddeint
|
|
Linear blend deinterlacing filter that deinterlaces the given block by
|
|
filtering all lines with a (1 2 1) filter.
|
|
|
|
li/linipoldeint
|
|
Linear interpolating deinterlacing filter that deinterlaces the given
|
|
block by linearly interpolating every second line.
|
|
|
|
ci/cubicipoldeint
|
|
Cubic interpolating deinterlacing filter deinterlaces the given block
|
|
by cubically interpolating every second line.
|
|
|
|
md/mediandeint
|
|
Median deinterlacing filter that deinterlaces the given block by
|
|
applying a median filter to every second line.
|
|
|
|
fd/ffmpegdeint
|
|
FFmpeg deinterlacing filter that deinterlaces the given block by
|
|
filtering every second line with a (-1 4 2 4 -1) filter.
|
|
|
|
l5/lowpass5
|
|
Vertically applied FIR lowpass deinterlacing filter that deinterlaces
|
|
the given block by filtering all lines with a (-1 2 6 2 -1) filter.
|
|
|
|
fq/forceQuant[:quantizer]
|
|
Overrides the quantizer table from the input with the constant
|
|
quantizer you specify.
|
|
|
|
:<quantizer>: quantizer to use
|
|
|
|
de/default
|
|
default pp filter combination (hb:a,vb:a,dr:a)
|
|
|
|
fa/fast
|
|
fast pp filter combination (h1:a,v1:a,dr:a)
|
|
|
|
ac
|
|
high quality pp filter combination (ha:a:128:7,va:a,dr:a)
|
|
|
|
*EXAMPLE*:
|
|
|
|
``--vf=pp=hb/vb/dr/al``
|
|
horizontal and vertical deblocking, deringing and automatic
|
|
brightness/contrast
|
|
|
|
``--vf=pp=de/-al``
|
|
default filters without brightness/contrast correction
|
|
|
|
``--vf=pp=default/tmpnoise:1:2:3``
|
|
Enable default filters & temporal denoiser.
|
|
|
|
``--vf=pp=hb:y/vb:a``
|
|
Horizontal deblocking on luminance only, and switch vertical
|
|
deblocking on or off automatically depending on available CPU time.
|
|
|
|
noise[=luma[u][t|a][h][p]:chroma[u][t|a][h][p]]
|
|
Adds noise.
|
|
|
|
:<0-100>: luma noise
|
|
:<0-100>: chroma noise
|
|
:u: uniform noise (gaussian otherwise)
|
|
:t: temporal noise (noise pattern changes between frames)
|
|
:a: averaged temporal noise (smoother, but a lot slower)
|
|
:h: high quality (slightly better looking, slightly slower)
|
|
:p: mix random noise with a (semi)regular pattern
|
|
|
|
hqdn3d[=luma_spatial:chroma_spatial:luma_tmp:chroma_tmp]
|
|
This filter aims to reduce image noise producing smooth images and making
|
|
still images really still (This should enhance compressibility.).
|
|
|
|
<luma_spatial>
|
|
spatial luma strength (default: 4)
|
|
<chroma_spatial>
|
|
spatial chroma strength (default: 3)
|
|
<luma_tmp>
|
|
luma temporal strength (default: 6)
|
|
<chroma_tmp>
|
|
chroma temporal strength (default:
|
|
``luma_tmp*chroma_spatial/luma_spatial``)
|
|
|
|
eq[=gamma:contrast:brightness:saturation:rg:gg:bg:weight]
|
|
Software equalizer that uses lookup tables (slow),
|
|
allowing gamma correction in addition to simple brightness and contrast
|
|
adjustment. The parameters are given as floating point
|
|
values.
|
|
|
|
<0.1-10>
|
|
initial gamma value (default: 1.0)
|
|
<-2-2>
|
|
initial contrast, where negative values result in a negative image
|
|
(default: 1.0)
|
|
<-1-1>
|
|
initial brightness (default: 0.0)
|
|
<0-3>
|
|
initial saturation (default: 1.0)
|
|
<0.1-10>
|
|
gamma value for the red component (default: 1.0)
|
|
<0.1-10>
|
|
gamma value for the green component (default: 1.0)
|
|
<0.1-10>
|
|
gamma value for the blue component (default: 1.0)
|
|
<0-1>
|
|
The weight parameter can be used to reduce the effect of a high gamma
|
|
value on bright image areas, e.g. keep them from getting overamplified
|
|
and just plain white. A value of 0.0 turns the gamma correction all
|
|
the way down while 1.0 leaves it at its full strength (default: 1.0).
|
|
|
|
ilpack[=mode]
|
|
When interlaced video is stored in YUV 4:2:0 formats, chroma interlacing
|
|
does not line up properly due to vertical downsampling of the chroma
|
|
channels. This filter packs the planar 4:2:0 data into YUY2 (4:2:2) format
|
|
with the chroma lines in their proper locations, so that in any given
|
|
scanline, the luma and chroma data both come from the same field.
|
|
|
|
<mode>
|
|
Select the sampling mode.
|
|
|
|
:0: nearest-neighbor sampling, fast but incorrect
|
|
:1: linear interpolation (default)
|
|
|
|
unsharp[=l|cWxH:amount[:l|cWxH:amount]]
|
|
unsharp mask / gaussian blur
|
|
|
|
l
|
|
Apply effect on luma component.
|
|
|
|
c
|
|
Apply effect on chroma components.
|
|
|
|
<width>x<height>
|
|
width and height of the matrix, odd sized in both directions (min =
|
|
3x3, max = 13x11 or 11x13, usually something between 3x3 and 7x7)
|
|
|
|
amount
|
|
Relative amount of sharpness/blur to add to the image (a sane range
|
|
should be -1.5-1.5).
|
|
|
|
:<0: blur
|
|
:>0: sharpen
|
|
|
|
swapuv
|
|
Swap U & V plane.
|
|
|
|
pullup[=jl:jr:jt:jb:sb:mp]
|
|
Third-generation pulldown reversal (inverse telecine) filter, capable of
|
|
handling mixed hard-telecine, 24000/1001 fps progressive, and 30000/1001
|
|
fps progressive content. The pullup filter is designed to be much more
|
|
robust than detc or ivtc, by taking advantage of future context in making
|
|
its decisions. Like ivtc, pullup is stateless in the sense that it does
|
|
not lock onto a pattern to follow, but it instead looks forward to the
|
|
following fields in order to identify matches and rebuild progressive
|
|
frames. It is still under development, but believed to be quite accurate.
|
|
|
|
jl, jr, jt, and jb
|
|
These options set the amount of "junk" to ignore at the left, right,
|
|
top, and bottom of the image, respectively. Left/right are in units of
|
|
8 pixels, while top/bottom are in units of 2 lines. The default is 8
|
|
pixels on each side.
|
|
|
|
sb (strict breaks)
|
|
Setting this option to 1 will reduce the chances of pullup generating
|
|
an occasional mismatched frame, but it may also cause an excessive
|
|
number of frames to be dropped during high motion sequences.
|
|
Conversely, setting it to -1 will make pullup match fields more
|
|
easily. This may help processing of video where there is slight
|
|
blurring between the fields, but may also cause there to be interlaced
|
|
frames in the output.
|
|
|
|
mp (metric plane)
|
|
This option may be set to 1 or 2 to use a chroma plane instead of the
|
|
luma plane for doing pullup's computations. This may improve accuracy
|
|
on very clean source material, but more likely will decrease accuracy,
|
|
especially if there is chroma noise (rainbow effect) or any grayscale
|
|
video. The main purpose of setting mp to a chroma plane is to reduce
|
|
CPU load and make pullup usable in realtime on slow machines.
|
|
|
|
divtc[=options]
|
|
Inverse telecine for deinterlaced video. If 3:2-pulldown telecined video
|
|
has lost one of the fields or is deinterlaced using a method that keeps
|
|
one field and interpolates the other, the result is a juddering video that
|
|
has every fourth frame duplicated. This filter is intended to find and
|
|
drop those duplicates and restore the original film framerate. Two
|
|
different modes are available: One pass mode is the default and is
|
|
straightforward to use, but has the disadvantage that any changes in the
|
|
telecine phase (lost frames or bad edits) cause momentary judder until the
|
|
filter can resync again. Two pass mode avoids this by analyzing the whole
|
|
video beforehand so it will have forward knowledge about the phase changes
|
|
and can resync at the exact spot. These passes do *not* correspond to pass
|
|
one and two of the encoding process. You must run an extra pass using
|
|
divtc pass one before the actual encoding throwing the resulting video
|
|
away. Then use divtc pass two for the actual
|
|
encoding. If you use multiple encoder passes, use divtc pass two for all
|
|
of them. The options are:
|
|
|
|
pass=1|2
|
|
Use two pass mode.
|
|
|
|
file=<filename>
|
|
Set the two pass log filename (default: ``framediff.log``).
|
|
|
|
threshold=<value>
|
|
Set the minimum strength the telecine pattern must have for the filter
|
|
to believe in it (default: 0.5). This is used to avoid recognizing
|
|
false pattern from the parts of the video that are very dark or very
|
|
still.
|
|
|
|
window=<numframes>
|
|
Set the number of past frames to look at when searching for pattern
|
|
(default: 30). Longer window improves the reliability of the pattern
|
|
search, but shorter window improves the reaction time to the changes
|
|
in the telecine phase. This only affects the one pass mode. The two
|
|
pass mode currently uses fixed window that extends to both future and
|
|
past.
|
|
|
|
phase=0|1|2|3|4
|
|
Sets the initial telecine phase for one pass mode (default: 0). The
|
|
two pass mode can see the future, so it is able to use the correct
|
|
phase from the beginning, but one pass mode can only guess. It catches
|
|
the correct phase when it finds it, but this option can be used to fix
|
|
the possible juddering at the beginning. The first pass of the two
|
|
pass mode also uses this, so if you save the output from the first
|
|
pass, you get constant phase result.
|
|
|
|
deghost=<value>
|
|
Set the deghosting threshold (0-255 for one pass mode, -255-255 for
|
|
two pass mode, default 0). If nonzero, deghosting mode is used. This
|
|
is for video that has been deinterlaced by blending the fields
|
|
together instead of dropping one of the fields. Deghosting amplifies
|
|
any compression artifacts in the blended frames, so the parameter
|
|
value is used as a threshold to exclude those pixels from deghosting
|
|
that differ from the previous frame less than specified value. If two
|
|
pass mode is used, then negative value can be used to make the filter
|
|
analyze the whole video in the beginning of pass-2 to determine
|
|
whether it needs deghosting or not and then select either zero or the
|
|
absolute value of the parameter. Specify this option for pass-2, it
|
|
makes no difference on pass-1.
|
|
|
|
phase[=t|b|p|a|u|T|B|A|U][:v]
|
|
Delay interlaced video by one field time so that the field order changes.
|
|
The intended use is to fix PAL movies that have been captured with the
|
|
opposite field order to the film-to-video transfer. The options are:
|
|
|
|
t
|
|
Capture field order top-first, transfer bottom-first. Filter will
|
|
delay the bottom field.
|
|
|
|
b
|
|
Capture bottom-first, transfer top-first. Filter will delay the top
|
|
field.
|
|
|
|
p
|
|
Capture and transfer with the same field order. This mode only exists
|
|
for the documentation of the other options to refer to, but if you
|
|
actually select it, the filter will faithfully do nothing ;-)
|
|
|
|
a
|
|
Capture field order determined automatically by field flags, transfer
|
|
opposite. Filter selects among t and b modes on a frame by frame basis
|
|
using field flags. If no field information is available, then this
|
|
works just like u.
|
|
|
|
u
|
|
Capture unknown or varying, transfer opposite. Filter selects among t
|
|
and b on a frame by frame basis by analyzing the images and selecting
|
|
the alternative that produces best match between the fields.
|
|
|
|
T
|
|
Capture top-first, transfer unknown or varying. Filter selects among t
|
|
and p using image analysis.
|
|
|
|
B
|
|
Capture bottom-first, transfer unknown or varying. Filter selects
|
|
among b and p using image analysis.
|
|
|
|
A
|
|
Capture determined by field flags, transfer unknown or varying. Filter
|
|
selects among t, b and p using field flags and image analysis. If no
|
|
field information is available, then this works just like U. This is
|
|
the default mode.
|
|
|
|
U
|
|
Both capture and transfer unknown or varying. Filter selects among t,
|
|
b and p using image analysis only.
|
|
|
|
v
|
|
Verbose operation. Prints the selected mode for each frame and the
|
|
average squared difference between fields for t, b, and p
|
|
alternatives.
|
|
|
|
yadif=[mode[:enabled=yes|no]]
|
|
Yet another deinterlacing filter
|
|
|
|
<mode>
|
|
:0: Output 1 frame for each frame.
|
|
:1: Output 1 frame for each field.
|
|
:2: Like 0 but skips spatial interlacing check.
|
|
:3: Like 1 but skips spatial interlacing check.
|
|
|
|
<enabled>
|
|
:yes: Filter is active (default).
|
|
:no: Filter is not active, but can be deactivated with the ``D`` key
|
|
(or any other key that toggles the ``deinterlace`` property).
|
|
|
|
down3dright[=lines]
|
|
Reposition and resize stereoscopic images. Extracts both stereo fields and
|
|
places them side by side, resizing them to maintain the original movie
|
|
aspect.
|
|
|
|
<lines>
|
|
number of lines to select from the middle of the image (default: 12)
|
|
|
|
delogo[=x:y:w:h:t]
|
|
Suppresses a TV station logo by a simple interpolation of the surrounding
|
|
pixels. Just set a rectangle covering the logo and watch it disappear (and
|
|
sometimes something even uglier appear - your mileage may vary).
|
|
|
|
<x>,<y>
|
|
top left corner of the logo
|
|
<w>,<h>
|
|
width and height of the cleared rectangle
|
|
<t>
|
|
Thickness of the fuzzy edge of the rectangle (added to w and h). When
|
|
set to -1, a green rectangle is drawn on the screen to simplify
|
|
finding the right x,y,w,h parameters.
|
|
file=<file>
|
|
You can specify a text file to load the coordinates from. Each line
|
|
must have a timestamp (in seconds, and in ascending order) and the
|
|
"x:y:w:h:t" coordinates (*t* can be omitted).
|
|
|
|
screenshot
|
|
Optional filter for screenshot support. This is only needed if the video
|
|
output doesn't provide working direct screenshot support. Note that it is
|
|
not always safe to insert this filter by default. See the
|
|
``Taking screenshots`` section for details.
|
|
|
|
sub=[=bottom-margin:top-margin]
|
|
Moves subtitle rendering to an arbitrary point in the filter
|
|
chain, or force subtitle rendering in the video filter as opposed to using
|
|
video output OSD support.
|
|
|
|
|
|
<bottom-margin>
|
|
Adds a black band at the bottom of the frame. The SSA/ASS renderer can
|
|
place subtitles there (with ``--ass-use-margins``).
|
|
<top-margin>
|
|
Black band on the top for toptitles (with ``--ass-use-margins``).
|
|
|
|
|
|
*EXAMPLE*:
|
|
|
|
``--vf=sub,eq``
|
|
Moves sub rendering before the eq filter. This will put both
|
|
subtitle colors and video under the influence of the video equalizer
|
|
settings.
|
|
|
|
stereo3d[=in:out]
|
|
Stereo3d converts between different stereoscopic image formats.
|
|
|
|
<in>
|
|
Stereoscopic image format of input. Possible values:
|
|
|
|
sbsl or side_by_side_left_first
|
|
side by side parallel (left eye left, right eye right)
|
|
sbsr or side_by_side_right_first
|
|
side by side crosseye (right eye left, left eye right)
|
|
abl or above_below_left_first
|
|
above-below (left eye above, right eye below)
|
|
abl or above_below_right_first
|
|
above-below (right eye above, left eye below)
|
|
ab2l or above_below_half_height_left_first
|
|
above-below with half height resolution (left eye above, right eye
|
|
below)
|
|
ab2r or above_below_half_height_right_first
|
|
above-below with half height resolution (right eye above, left eye
|
|
below)
|
|
|
|
<out>
|
|
Stereoscopic image format of output. Possible values are all the input
|
|
formats as well as:
|
|
|
|
arcg or anaglyph_red_cyan_gray
|
|
anaglyph red/cyan gray (red filter on left eye, cyan filter on
|
|
right eye)
|
|
arch or anaglyph_red_cyan_half_color
|
|
anaglyph red/cyan half colored (red filter on left eye, cyan filter
|
|
on right eye)
|
|
arcc or anaglyph_red_cyan_color
|
|
anaglyph red/cyan color (red filter on left eye, cyan filter on
|
|
right eye)
|
|
arcd or anaglyph_red_cyan_dubois
|
|
anaglyph red/cyan color optimized with the least squares
|
|
projection of dubois (red filter on left eye, cyan filter on right
|
|
eye)
|
|
agmg or anaglyph_green_magenta_gray
|
|
anaglyph green/magenta gray (green filter on left eye, magenta
|
|
filter on right eye)
|
|
agmh or anaglyph_green_magenta_half_color
|
|
anaglyph green/magenta half colored (green filter on left eye,
|
|
magenta filter on right eye)
|
|
agmc or anaglyph_green_magenta_color
|
|
anaglyph green/magenta colored (green filter on left eye, magenta
|
|
filter on right eye)
|
|
aybg or anaglyph_yellow_blue_gray
|
|
anaglyph yellow/blue gray (yellow filter on left eye, blue filter
|
|
on right eye)
|
|
aybh or anaglyph_yellow_blue_half_color
|
|
anaglyph yellow/blue half colored (yellow filter on left eye, blue
|
|
filter on right eye)
|
|
aybc or anaglyph_yellow_blue_color
|
|
anaglyph yellow/blue colored (yellow filter on left eye, blue
|
|
filter on right eye)
|
|
irl or interleave_rows_left_first
|
|
Interleaved rows (left eye has top row, right eye starts on next
|
|
row)
|
|
irr or interleave_rows_right_first
|
|
Interleaved rows (right eye has top row, left eye starts on next
|
|
row)
|
|
ml or mono_left
|
|
mono output (left eye only)
|
|
mr or mono_right
|
|
mono output (right eye only)
|
|
|
|
gradfun[=strength[:radius]]
|
|
Fix the banding artifacts that are sometimes introduced into nearly flat
|
|
regions by truncation to 8bit colordepth. Interpolates the gradients that
|
|
should go where the bands are, and dithers them.
|
|
|
|
This filter is designed for playback only. Do not use it prior to lossy
|
|
compression, because compression tends to lose the dither and bring back
|
|
the bands.
|
|
|
|
<strength>
|
|
Maximum amount by which the filter will change any one pixel. Also the
|
|
threshold for detecting nearly flat regions (default: 1.2).
|
|
|
|
<radius>
|
|
Neighborhood to fit the gradient to. Larger radius makes for smoother
|
|
gradients, but also prevents the filter from modifying pixels near
|
|
detailed regions (default: 16).
|
|
|
|
dlopen=dll[:a0[:a1[:a2[:a3]]]]
|
|
Loads an external library to filter the image. The library interface
|
|
is the vf_dlopen interface specified using libmpcodecs/vf_dlopen.h.
|
|
|
|
dll=<library>
|
|
Specify the library to load. This may require a full file system path
|
|
in some cases! This argument is required.
|
|
|
|
a0=<string>
|
|
Specify the first parameter to pass to the library.
|
|
|
|
a1=<string>
|
|
Specify the second parameter to pass to the library.
|
|
|
|
a2=<string>
|
|
Specify the third parameter to pass to the library.
|
|
|
|
a3=<string>
|
|
Specify the fourth parameter to pass to the library.
|