From 8810d405231622a0e069f478d2b873d8f91c29b4 Mon Sep 17 00:00:00 2001 From: Reto Kromer Date: Sat, 9 Jun 2018 06:46:48 +0200 Subject: [PATCH] uniform external links --- index.html | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/index.html b/index.html index 4a232c0..b934d2a 100644 --- a/index.html +++ b/index.html @@ -219,7 +219,7 @@

MKV to MP4

Rewrap DV video to .dv file

ffmpeg -i input_file -f rawvideo -c:v copy output_file.dv

-

This script will take a video that is encoded in the DV Codec but wrapped in a different container (such as MOV) and rewrap it into a raw DV file (with the .dv extension). Since DV files potentially contain a great deal of provenance metadata within the DV stream, it is necessary to rewrap files in this method to avoid unintentional stripping of this metadata.

+

This script will take a video that is encoded in the DV Codec but wrapped in a different container (such as MOV) and rewrap it into a raw DV file (with the .dv extension). Since DV files potentially contain a great deal of provenance metadata within the DV stream, it is necessary to rewrap files in this method to avoid unintentional stripping of this metadata.

ffmpeg
starts the command
-i input_file
path and name of the input file
@@ -984,7 +984,7 @@

Variation: concatenating files of different framerates

You can speed up or slow down a file using the fps and atempo filters (see also the Modify speed command).

Here's an example of the full command, in which input_1 is 30fps, input_2 is 25fps, and 25fps is the desired output speed.

ffmpeg -i input_1.avi -i input_2.mp4 -filter_complex "[0:v:0] fps=fps=25 [video_to_25fps]; [0:a:0] atempo=(25/30) [audio_to_25fps]; [video_to_25fps] [audio_to_25fps] [1:v:0] [1:a:0] concat=n=2:v=1:a=1 [video_out] [audio_out]" -map "[video_out]" -map "[audio_out]" output_file

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Note that the fps filter will drop or repeat frames as necessary in order to achieve the desired frame rate - see the FFmpeg fps docs for more details.

+

Note that the fps filter will drop or repeat frames as necessary in order to achieve the desired frame rate - see the FFmpeg fps docs for more details.

For more information, see the FFmpeg wiki page on concatenating files of different types.

@@ -2043,7 +2043,7 @@

Makes a broken test file

Conway's Game of Life

-

Simulates Conway's Game of Life

+

Simulates Conway's Game of Life

ffplay -f lavfi life=s=300x200:mold=10:r=60:ratio=0.1:death_color=#C83232:life_color=#00ff00,scale=1200:800

ffplay
starts the command
@@ -2364,8 +2364,8 @@

ImageMagick

About ImageMagick

ImageMagick is a free and open-source software suite for displaying, converting, and editing raster image and vector image files.

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It's official website can be found here.

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Another great resource with lots of supplemental explanations of filters is available at Fred's ImageMagick Scripts.

+

It's official website can be found here.

+

Another great resource with lots of supplemental explanations of filters is available at Fred's ImageMagick Scripts.

Unlike many other command line tools, ImageMagick isn't summoned by calling its name. Rather, ImageMagick installs links to several more specific commands: convert, montage, and mogrify, to name a few.

@@ -2380,7 +2380,7 @@

Compare two images

Compares two images to each other.

compare
starts the command
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-metric ae
applies the absolute error count metric, returning the number of different pixels. Other parameters are available for image comparison.
+
-metric ae
applies the absolute error count metric, returning the number of different pixels. Other parameters are available for image comparison.
image1.ext image2.ext
takes two images as input
null:
throws away the comparison image that would be generated
@@ -2499,7 +2499,7 @@

*****Longer title*****