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authorwm4 <wm4@nowhere>2017-11-29 18:10:59 +0100
committerwm4 <wm4@nowhere>2017-11-29 18:15:19 +0100
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vf: remove most GPL video filters
Almost all of them had their guts removed and replaced by libavfilter long ago, but remove them anyway. They're pointless and have been scheduled for deprecation. Still leave vf_format (because we need it in some form) and vf_sub (not sure). This will break some builtin functionality: lavfi yadif defaults are different, auto rotation and stereo3d downconversion are broken. These might be fixed later.
Diffstat (limited to 'DOCS/man')
-rw-r--r--DOCS/man/vf.rst304
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diff --git a/DOCS/man/vf.rst b/DOCS/man/vf.rst
index 617ceeea04..7f53e4ef17 100644
--- a/DOCS/man/vf.rst
+++ b/DOCS/man/vf.rst
@@ -100,159 +100,6 @@ With filters that support it, you can access parameters by their name.
Available mpv-only 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 videos.
-
- ``<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) video 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.
-
- .. admonition:: 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).
-
- .. admonition:: 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.
-
-``mirror``
- Mirrors the image on the Y axis.
-
-``rotate[=0|90|180|270]``
- Rotates the image by a multiple of 90 degrees clock-wise.
-
-``scale[=w:h:param:param2:chr-drop:noup:arnd``
- Scales the image with the software scaler (slow) and performs a YUV<->RGB
- color space conversion (see also ``--sws``).
-
- All parameters are optional.
-
- ``<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.
-
- ``<param>[:<param2>]`` (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)
-
- ``<chr-drop>``
- chroma skipping
-
- :0: Use all available input lines for chroma (default).
- :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.
-
- ``<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.
-
- :no: Disable accurate rounding (default).
- :yes: Enable accurate rounding.
-
-``dsize[=w:h:aspect-method:r:aspect]``
- Changes the intended display aspect at an arbitrary point in the
- filter chain. Aspect can be given as a fraction (4/3) or floating point
- number (1.33). 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 the correct aspect.
-
- ``<w>,<h>``
- New aspect ratio given by a display width and height. Unlike older mpv
- versions or MPlayer, this does not set the display size.
-
- 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.
-
- .. admonition:: 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.
-
- .. admonition:: 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).
-
- ``<aspect>``
- Force an aspect ratio.
-
``format=fmt=<value>:colormatrix=<value>:...``
Restricts the color space for the next filter without doing any conversion.
Use together with the scale filter for a real conversion.
@@ -425,16 +272,6 @@ Available mpv-only filters are:
``<spherical-yaw>``, ``<spherical-pitch>``, ``<spherical-roll>``
Reference angle in degree, if spherical video is used.
-``noformat[=fmt]``
- Restricts the color space for the next filter without doing any conversion.
- Unlike the format filter, this will allow any color space except the one
- you specify.
-
- .. note:: For a list of available formats, see ``noformat=fmt=help``.
-
- ``<fmt>``
- Format name, e.g. rgb15, bgr24, 420p, etc. (default: 420p).
-
``lavfi=graph[:sws-flags[:o=opts]]``
Filter video using FFmpeg's libavfilter.
@@ -484,62 +321,6 @@ Available mpv-only filters are:
``'--vf=lavfi=yadif:o="threads=2,thread_type=slice"'``
forces a specific threading configuration.
-``pullup[=jl:jr:jt:jb:sb:mp]``
- Pulldown reversal (inverse telecine) filter, capable of handling mixed
- hard-telecine, 24000/1001 fps progressive, and 30000/1001 fps progressive
- content. The ``pullup`` filter makes use of future context in making its
- decisions. It 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.
-
- ``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 process video with slight blurring between the
- fields, but may also cause interlaced frames in the output.
-
- ``mp`` (metric plane)
- This option may be set to ``u`` or ``v`` 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.
-
-``yadif=[mode:interlaced-only]``
- Yet another deinterlacing filter
-
- ``<mode>``
- :frame: Output 1 frame for each frame.
- :field: Output 1 frame for each field (default).
- :frame-nospatial: Like ``frame`` but skips spatial interlacing check.
- :field-nospatial: Like ``field`` but skips spatial interlacing check.
-
- ``<interlaced-only>``
- :no: Deinterlace all frames.
- :yes: Only deinterlace frames marked as interlaced (default).
-
- This filter is automatically inserted when using the ``d`` key (or any
- other key that toggles the ``deinterlace`` property or when using the
- ``--deinterlace`` switch), assuming the video output does not have native
- deinterlacing support.
-
- If you just want to set the default mode, put this filter and its options
- into ``--vf-defaults`` instead, and enable deinterlacing with ``d`` or
- ``--deinterlace``.
-
- Also, note that the ``d`` key is stupid enough to insert a deinterlacer twice
- when inserting yadif with ``--vf``, so using the above methods is
- recommended.
-
``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
@@ -558,91 +339,6 @@ Available mpv-only filters are:
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)
- ``abr`` 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|:size=<size>]]``
- Fix the banding artifacts that are sometimes introduced into nearly flat
- regions by truncation to 8-bit color depth. Interpolates the gradients that
- should go where the bands are, and dithers them.
-
- ``<strength>``
- Maximum amount by which the filter will change any one pixel. Also the
- threshold for detecting nearly flat regions (default: 1.5).
-
- ``<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: disabled).
-
- ``<size>``
- size of the filter in percent of the image diagonal size. This is
- used to calculate the final radius size (default: 1).
-
``vapoursynth=file:buffered-frames:concurrent-frames``
Loads a VapourSynth filter script. This is intended for streamed
processing: mpv actually provides a source filter, instead of using a