From dfe71a21e5a190e5228964265c62416779454bec Mon Sep 17 00:00:00 2001 From: Robin Gareus Date: Sat, 27 Oct 2018 21:11:27 +0200 Subject: Prototype LV2 midname extension --- midnam_lv2.h | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 midnam_lv2.h (limited to 'midnam_lv2.h') diff --git a/midnam_lv2.h b/midnam_lv2.h new file mode 100644 index 0000000..a8e3f8e --- /dev/null +++ b/midnam_lv2.h @@ -0,0 +1,37 @@ +#define LV2_MIDNAM_URI "http://ardour.org/lv2/midnam" +#define LV2_MIDNAM_PREFIX LV2_MIDNAM_URI "#" +#define LV2_MIDNAM__interface LV2_MIDNAM_PREFIX "interface" +#define LV2_MIDNAM__update LV2_MIDNAM_PREFIX "update" + +typedef void* LV2_Midnam_Handle; + +/** a LV2 Feature provided by the Host to the plugin */ +typedef struct { + /** Opaque host data */ + LV2_Midnam_Handle handle; + /** Request from run() that the host should re-read the midnam */ + void (*update)(LV2_Midnam_Handle handle); +} LV2_Midnam; + +typedef struct { + /** Query midnam document. The plugin + * is expected to return a null-terminated XML + * text which is a valid midnam desciption + * (or NULL in case of error). + * + * The midnam must be unique and + * specific for the given plugin-instance. + */ + char* (*midnam)(LV2_Handle instance); + + /** The unique model id used ith the midnam, + * (or NULL). + */ + char* (*model)(LV2_Handle instance); + + /** free allocated strings. The host + * calls this for every value returned by + * \ref midnam and \ref model. + */ + void (*free)(char*); +} LV2_Midnam_Interface; -- cgit v1.2.3