diff options
Diffstat (limited to 'backends/osc.md')
| -rw-r--r-- | backends/osc.md | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/backends/osc.md b/backends/osc.md index e9aa4d5..b7ce527 100644 --- a/backends/osc.md +++ b/backends/osc.md @@ -23,13 +23,21 @@ it are ignored early in processing. Channels that are to be output or require a value range different from the default ranges (see below) require special configuration, as their types and limits have to be set. -This is done in the instance configuration using an assignment of the syntax +This is done by specifying *patterns* in the instance configuration using an assignment of the syntax ``` /local/osc/path = <format> <min> <max> <min> <max> ... ``` -The OSC path to be configured must only be the local part (omitting a configured instance root). +The pattern will be matched only against the local part (that is, the path excluding any configured instance root). +Patterns may contain the following expressions (conforming to the [OSC pattern matching specification](http://opensoundcontrol.org/spec-1_0)): +* `?` matches any single legal character +* `*` matches zero or more legal characters +* A comma-separated list of strings inside curly braces `{}` matches any of the strings +* A string of characters within square brackets `[]` matches any character in the string + * Two characters with a `-` between them specify a range of characters + * An exclamation mark immediately after the opening `[` negates the meaning of the expression (ie. it matches characters not in the range) +* Any other legal character matches only itself **format** may be any sequence of valid OSC type characters. See below for a table of supported OSC types. @@ -44,6 +52,12 @@ a range between 0.0 and 2.0 (for example, an X-Y control), would look as follows /1/xy1 = ff 0.0 2.0 0.0 2.0 ``` +To configure a range of faders, an expression similar to the following line could be used + +``` +/1/fader* = f 0.0 1.0 +``` + #### Channel specification A channel may be any valid OSC path, to which the instance root will be prepended if @@ -80,4 +94,7 @@ The default ranges are: #### Known bugs / problems +The OSC path match currently works on the unit of characters. This may lead to some unexpected results +when matching expressions of the form `*<expr>`. + Ping requests are not yet answered. There may be some problems using broadcast output and input. |