The points where the linearģ5 chains join are labelled by names enclosed in square brackets. In our example,ģ4 are separately in another.
You can use theĢ3 24 ffmpeg -i INPUT -vf "split crop=iw:ih/2:0:0, vflip overlay=0:H/2" OUTPUTĢ7 28 The result will be that the top half of the video is mirroredĢ9 onto the bottom half of the output video.ģ0 31 Filters in the same linear chain are separated by commas, and distinctģ2 linear chains of filters are separated by semicolons. See also the last Fossies "Diffs" side-by-side code changes report for "filters.texi": 5.0.1_vs_5.1.Ī hint: This file contains one or more very long lines, so maybe it is better readable using the pure text view mode that shows the contents as wrapped lines within the browser window.ģ 4 Filtering in FFmpeg is enabled through the libavfilter library.ĥ 6 In libavfilter, a filter can have multiple inputs and multipleĨ To illustrate the sorts of things that are possible, we consider theġ3 input -> split -> overlay -> outputġ8 19 This filtergraph splits the input stream in two streams, then sends oneĢ0 stream through the crop filter and the vflip filter, before merging itĢ1 back with the other stream by overlaying it on top. As a special service "Fossies" has tried to format the requested text file into HTML format (style: standard) with prefixed line numbers.Īlternatively you can here view or download the uninterpreted source code file.
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