doc/filters: fix typos and spelling errors

Prompted-by: Carl Oxwall <@oxwall>
Signed-off-by: Lou Logan <lou@lrcd.com>
pull/101/head
Lou Logan 10 years ago
parent 211200e0c0
commit a9a3c005b8
  1. 28
      doc/filters.texi

@ -922,7 +922,7 @@ It accepts the following option:
@table @option
@item length
Short window length in seconds, used for peak and trough RMS measurement.
Default is @code{0.05} (50 miliseconds). Allowed range is @code{[0.1 - 10]}.
Default is @code{0.05} (50 milliseconds). Allowed range is @code{[0.1 - 10]}.
@end table
A description of each shown parameter follows:
@ -1465,12 +1465,12 @@ Set base delay in milliseconds. Range from 0 to 30. Default value is 0.
Set added swep delay in milliseconds. Range from 0 to 10. Default value is 2.
@item regen
Set percentage regeneneration (delayed signal feedback). Range from -95 to 95.
Set percentage regeneration (delayed signal feedback). Range from -95 to 95.
Default value is 0.
@item width
Set percentage of delayed signal mixed with original. Range from 0 to 100.
Default valu is 71.
Default value is 71.
@item speed
Set sweeps per second (Hz). Range from 0.1 to 10. Default value is 0.5.
@ -1875,7 +1875,7 @@ or amplitude ratio. Default value is @code{0}.
@item stop_periods
Set the count for trimming silence from the end of audio.
To remove silence from the middle of a file, specify a @var{stop_periods}
that is negative. This value is then threated as a positive value and is
that is negative. This value is then treated as a positive value and is
used to indicate the effect should restart processing as specified by
@var{start_periods}, making it suitable for removing periods of silence
in the middle of the audio.
@ -2169,7 +2169,7 @@ The sample rate of the incoming audio buffers.
@item sample_fmt
The sample format of the incoming audio buffers.
Either a sample format name or its corresponging integer representation from
Either a sample format name or its corresponding integer representation from
the enum AVSampleFormat in @file{libavutil/samplefmt.h}
@item channel_layout
@ -2378,7 +2378,7 @@ Set the voice to use for the speech synthesis. Default value is
@itemize
@item
Read from file @file{speech.txt}, and synthetize the text using the
Read from file @file{speech.txt}, and synthesize the text using the
standard flite voice:
@example
flite=textfile=speech.txt
@ -3258,7 +3258,7 @@ crop=in_w:1/PHI*in_w
@end example
@item
Appply trembling effect:
Apply trembling effect:
@example
crop=in_w/2:in_h/2:(in_w-out_w)/2+((in_w-out_w)/2)*sin(n/10):(in_h-out_h)/2 +((in_h-out_h)/2)*sin(n/7)
@end example
@ -5861,11 +5861,11 @@ The filter accepts the following options:
@table @option
@item cx
Relative x-coordinate of the focal point of the image, and thereby the center of the
distrortion. This value has a range [0,1] and is expressed as fractions of the image
distortion. This value has a range [0,1] and is expressed as fractions of the image
width.
@item cy
Relative y-coordinate of the focal point of the image, and thereby the center of the
distrortion. This value has a range [0,1] and is expressed as fractions of the image
distortion. This value has a range [0,1] and is expressed as fractions of the image
height.
@item k1
Coefficient of the quadratic correction term. 0.5 means no correction.
@ -6447,7 +6447,7 @@ libopencv function @code{cvSmooth}.
Overlay one video on top of another.
It takes two inputs and has one output. The first input is the "main"
video on which the second input is overlayed.
video on which the second input is overlaid.
It accepts the following parameters:
@ -6456,7 +6456,7 @@ A description of the accepted options follows.
@table @option
@item x
@item y
Set the expression for the x and y coordinates of the overlayed video
Set the expression for the x and y coordinates of the overlaid video
on the main video. Default value is "0" for both expressions. In case
the expression is invalid, it is set to a huge value (meaning that the
overlay will not be displayed within the output visible area).
@ -8558,7 +8558,7 @@ more advanced padding options (such as having different values for the edges),
refer to the pad video filter.
@item color
Specify the color of the unused areaFor the syntax of this option, check the
Specify the color of the unused area. For the syntax of this option, check the
"Color" section in the ffmpeg-utils manual. The default value of @var{color}
is "black".
@end table
@ -9919,7 +9919,7 @@ A '|'-separated list of parameters to pass to the frei0r source.
@end table
For example, to generate a frei0r partik0l source with size 200x200
and frame rate 10 which is overlayed on the overlay filter main input:
and frame rate 10 which is overlaid on the overlay filter main input:
@example
frei0r_src=size=200x200:framerate=10:filter_name=partik0l:filter_params=1234 [overlay]; [in][overlay] overlay
@end example
@ -10910,7 +10910,7 @@ The previous output PTS.
previous output time in seconds
@item RTCTIME
The wallclock (RTC) time in microseconds.. This is deprecated, use time(0)
The wallclock (RTC) time in microseconds. This is deprecated, use time(0)
instead.
@item RTCSTART

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