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| author | Oleg Oshmyan <chortos@inbox.lv> | 2022-11-12 16:00:55 +0200 |
|---|---|---|
| committer | Oleg Oshmyan <chortos@inbox.lv> | 2022-11-16 16:10:37 +0200 |
| commit | dedc1594c799397c71ee45f08c5d21a2ceba6b8a (patch) | |
| tree | 73cfaa554247fb109d88d45885c280e73f4a2d2a /compare/README.md | |
| parent | 830dc3a60ebf0607d90c1b158f6ccccfe4709e74 (diff) | |
| download | libass-dedc1594c799397c71ee45f08c5d21a2ceba6b8a.tar.bz2 libass-dedc1594c799397c71ee45f08c5d21a2ceba6b8a.tar.xz | |
compare: support anamorphic scaling
The division approximation broke down for 5x7 scaling,
so adjust it to be right.
Diffstat (limited to 'compare/README.md')
| -rw-r--r-- | compare/README.md | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/compare/README.md b/compare/README.md index 2586f43..d0d7bd9 100644 --- a/compare/README.md +++ b/compare/README.md @@ -5,11 +5,12 @@ To build a test utility configure libass with the `--enable-compare` flag. The utility works with `png` image files so there is external dependency of libpng. Test program command line: -`compare ([-i] <input-dir>)+ [-o <output-dir>] [-s <scale:1-8>] [-p <pass-level:0-3>]` +`compare ([-i] <input-dir>)+ [-o <output-dir>] [-s <scale:1-8>[x<scale:1-8>]] [-p <pass-level:0-3>]` * `<input-dir>` is a test input directory, can be several of them; * `<output-dir>` if present sets directory to store the rendering results; -* `<scale>` sets an oversampling factor (positive integer up to 8, default 1); +* `<scale>` sets factors for horizontal and vertical oversampling (positive integers up to 8) + or a single factor to be used in both directions (default 1); * `<pass-level>` corresponds to the level of image differences required to pass test: - 0: only `SAME` level accepted, bitwise comparison mode; - 1: `GOOD` level or less required; |