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| author | arpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2002-07-26 00:12:13 +0000 |
|---|---|---|
| committer | arpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2002-07-26 00:12:13 +0000 |
| commit | 4ac4c0584553e3f677654cdbe69b17e2716d74d9 (patch) | |
| tree | 605b3a59da29258364fa0a61eb1d00292aa4f7f5 /DOCS | |
| parent | 000819f4fe7c02c7878d0e04e7cdf81b09d040fb (diff) | |
| download | mpv-4ac4c0584553e3f677654cdbe69b17e2716d74d9.tar.bz2 mpv-4ac4c0584553e3f677654cdbe69b17e2716d74d9.tar.xz | |
documenting cropdetect's parameter
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@6809 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'DOCS')
| -rw-r--r-- | DOCS/tech/vop.txt | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/DOCS/tech/vop.txt b/DOCS/tech/vop.txt index d13b4a168f..51d5cdf0fb 100644 --- a/DOCS/tech/vop.txt +++ b/DOCS/tech/vop.txt @@ -129,10 +129,13 @@ Current plugins: -vop lavc,expand=-1:576:-1:-1:1,scale=-1:0,dvbscale MPI: passthru --vop cropdetect +-vop cropdetect[=limit] It's a special filter, it doesn't alter the image itself, but detects (using some kind of heuristics) the black borders/bands of the image, and prints the optimal -vop crop= parameters to the stdout/console. + It calculates the average value of pixel luminances for a line, and + depending on the result it's either black band (result<=limit) or + picture (result>limit). Optional parameter 'limit' defaults to 24. MPI: EXPORT -vop test[=first frame number] |