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-rw-r--r--README.md10
1 files changed, 8 insertions, 2 deletions
diff --git a/README.md b/README.md
index e0147ef..aa37c62 100644
--- a/README.md
+++ b/README.md
@@ -199,10 +199,16 @@ destination for their uploads. Both `prefix` and `path` need to be unique.
and/or hog system resources. The thumbnailer and transcoder processes will
be killed if their execution time exceeds these values.
-- Set `sizes` to an map of `size` => `suffix` that you wish to support for
+- Set `sizes` to a map of `size` => `suffix` that you wish to support for
transcoding videos to lower quality on Upload/Import. This is especially
useful for serving up videos to users that have poor bandwidth or where
- data charges are high for them. The following is a valid map:
+ data charges are high for them.
+ The possible `suffix` parts are currently hard coded in several places, so
+ you can use those but you can't make up any new ones.
+ The `size` part can be set explicitly by X- by Y-dimensions with `x` as
+ separator like `320x200` or `1280x720`. There are also a lot of
+ [named size presets](https://ffmpeg.org/ffmpeg-utils.html#video-size-syntax)
+ The following is a valid map:
```#!json
{