diff options
| -rw-r--r-- | doc/writing_filters.txt | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/doc/writing_filters.txt b/doc/writing_filters.txt index c7923e884f..40935d2cfc 100644 --- a/doc/writing_filters.txt +++ b/doc/writing_filters.txt @@ -16,9 +16,7 @@ outputs the modified frame. The most simple way of doing this is to take a similar filter. We'll pick edgedetect, but any other should do. You can look for others using the `./ffmpeg -v 0 -filters|grep ' V->V '` command. - - cp libavfilter/vf_{edgedetect,foobar}.c - - sed -i s/edgedetect/foobar/g -i libavfilter/vf_foobar.c - - sed -i s/EdgeDetect/Foobar/g -i libavfilter/vf_foobar.c + - sed 's/edgedetect/foobar/g;s/EdgeDetect/Foobar/g' libavfilter/vf_edgedetect.c > libavfilter/vf_foobar.c - edit libavfilter/Makefile, and add an entry for "foobar" following the pattern of the other filters. - edit libavfilter/allfilters.c, and add an entry for "foobar" following the |