summaryrefslogtreecommitdiff
path: root/lv2/lv2.cc
diff options
context:
space:
mode:
authorBent Bisballe Nyeng <deva@aasimon.org>2015-07-27 19:36:28 +0200
committerBent Bisballe Nyeng <deva@aasimon.org>2016-01-20 13:31:09 +0100
commit41a6b0ebb6f71032c5a8e69e6aa8c813657224d7 (patch)
tree92c1fcd62d3b910fced00b51dd79ce302e1c33d7 /lv2/lv2.cc
parent116b8dbef22bf3245bcf6c8195bf8bb8c0ea91d3 (diff)
Add free-wheel mode to LV2 and DrumGizmo class.
Diffstat (limited to 'lv2/lv2.cc')
-rw-r--r--lv2/lv2.cc35
1 files changed, 26 insertions, 9 deletions
diff --git a/lv2/lv2.cc b/lv2/lv2.cc
index 687f989..9722fad 100644
--- a/lv2/lv2.cc
+++ b/lv2/lv2.cc
@@ -35,6 +35,12 @@
#include <hugin.hpp>
+enum {
+ FREE_WHEEL_PORT = 0,
+ MIDI_PORT,
+ AUDIO_PORT_BASE
+};
+
#define DRUMGIZMO_URI "http://drumgizmo.org/lv2"
#define NS_DG DRUMGIZMO_URI "/atom#"
@@ -125,6 +131,9 @@ LV2_Handle instantiate(const struct _LV2_Descriptor *descriptor,
{
DGLV2 *dglv2 = new DGLV2;
+ dglv2->free_wheel_port = NULL; // Not assigned
+ dglv2->pos = 0; // Start from the beginning
+
dglv2->map = NULL;
for (int i = 0 ; features[i] ; i++) {
if (!strcmp(features[i]->URI, LV2_URID_URI "#map")) {
@@ -150,13 +159,18 @@ void connect_port(LV2_Handle instance, uint32_t port, void *data_location)
{
DGLV2 *dglv2 = (DGLV2 *)instance;
- if(port == 0) {// MIDI in
+ if(port == FREE_WHEEL_PORT) {
+ dglv2->free_wheel_port = (float*)data_location;
+ }
+
+ if(port == MIDI_PORT) { // MIDI in
dglv2->in->eventPort = (LV2_Atom_Sequence*)data_location;
- } else {// Audio Port
- if(port - 1 < NUM_OUTPUTS) {
- dglv2->out->outputPorts[port - 1].samples = (sample_t*)data_location;
- dglv2->out->outputPorts[port - 1].size = 0;
- }
+ }
+
+ if(port >= AUDIO_PORT_BASE) { // Audio Port
+ uint32_t audio_port = port - AUDIO_PORT_BASE;
+ dglv2->out->outputPorts[audio_port].samples = (sample_t*)data_location;
+ dglv2->out->outputPorts[audio_port].size = 0;
}
}
@@ -169,16 +183,19 @@ void activate(LV2_Handle instance)
void run(LV2_Handle instance, uint32_t sample_count)
{
- static size_t pos = 0;
DGLV2 *dglv2 = (DGLV2 *)instance;
+ if(dglv2->free_wheel_port) {
+ dglv2->dg->setFreeWheel(*dglv2->free_wheel_port);
+ }
+
if(dglv2->buffer_size != sample_count) {
dglv2->buffer_size = sample_count;
dglv2->dg->setFrameSize(sample_count);
}
- dglv2->dg->run(pos, dglv2->buffer, sample_count);
+ dglv2->dg->run(dglv2->pos, dglv2->buffer, sample_count);
- pos += sample_count;
+ dglv2->pos += sample_count;
}
void deactivate(LV2_Handle instance)