From 15b62ea6eea93d395fff743fa33795823ab0447c Mon Sep 17 00:00:00 2001
From: Harald Eilertsen <haraldei@anduin.net>
Date: Wed, 15 Jul 2020 22:17:26 +0200
Subject: LV2: Add stereo ports to Acceleration.

---
 plugins/LV2/src/Acceleration/Acceleration.cpp | 33 ++++++++++++++++++---------
 plugins/LV2/src/Acceleration/Acceleration.ttl | 20 ++++++++++++----
 2 files changed, 37 insertions(+), 16 deletions(-)

diff --git a/plugins/LV2/src/Acceleration/Acceleration.cpp b/plugins/LV2/src/Acceleration/Acceleration.cpp
index 2fc0237..7128859 100644
--- a/plugins/LV2/src/Acceleration/Acceleration.cpp
+++ b/plugins/LV2/src/Acceleration/Acceleration.cpp
@@ -7,17 +7,19 @@ namespace {
 const char * ACCELERATION_URI = "https://www.airwindows.com/acceleration";
 
 enum PortIndex {
-    ACCELERATION_LIMIT = 0,
-    ACCELERATION_DRYWET = 1,
-    ACCELERATION_IN = 2,
-    ACCELERATION_OUT = 3
+    ACCELERATION_LIMIT,
+    ACCELERATION_DRYWET,
+    ACCELERATION_IN_L,
+    ACCELERATION_IN_R,
+    ACCELERATION_OUT_L,
+    ACCELERATION_OUT_R,
 };
 
 struct acceleration {
     const float * limit;
     const float * drywet;
-    const float * in;
-    float * out;
+    const float * in[2];
+    float * out[2];
 };
 
 LV2_Handle instantiate(
@@ -45,12 +47,20 @@ void connect_port(
             accel->limit = (const float *) data;
             break;
 
-        case ACCELERATION_IN:
-            accel->in = (const float *) data;
+        case ACCELERATION_IN_L:
+            accel->in[0] = (const float *) data;
             break;
 
-        case ACCELERATION_OUT:
-            accel->out = (float *) data;
+        case ACCELERATION_IN_R:
+            accel->in[1] = (const float *) data;
+            break;
+
+        case ACCELERATION_OUT_L:
+            accel->out[0] = (float *) data;
+            break;
+
+        case ACCELERATION_OUT_R:
+            accel->out[1] = (float *) data;
             break;
 
         default:
@@ -66,7 +76,8 @@ void run(LV2_Handle instance, uint32_t num_samples)
 {
     auto accel = (acceleration *) instance;
     for (auto i = 0u; i < num_samples; i++) {
-        *accel->out++ = *accel->in++;
+        *accel->out[0]++ = *accel->in[0]++;
+        *accel->out[1]++ = *accel->in[1]++;
     }
 }
 
diff --git a/plugins/LV2/src/Acceleration/Acceleration.ttl b/plugins/LV2/src/Acceleration/Acceleration.ttl
index 9560858..aede82a 100644
--- a/plugins/LV2/src/Acceleration/Acceleration.ttl
+++ b/plugins/LV2/src/Acceleration/Acceleration.ttl
@@ -36,11 +36,21 @@
     ] , [
       a lv2:InputPort , lv2:AudioPort ;
       lv2:index 2 ;
-      lv2:symbol "in" ;
-      lv2:name "In" ;
+      lv2:symbol "in_l" ;
+      lv2:name "In left" ;
     ] , [
-      a lv2:OutputPort , lv2:AudioPort ;
+      a lv2:InputPort , lv2:AudioPort ;
       lv2:index 3 ;
-      lv2:symbol "out" ;
-      lv2:name "Out" ;
+      lv2:symbol "in_r" ;
+      lv2:name "In right" ;
+    ] , [
+      a lv2:OutputPort , lv2:AudioPort ;
+      lv2:index 4 ;
+      lv2:symbol "out_l" ;
+      lv2:name "Out left" ;
+    ] , [
+      a lv2:OutputPort , lv2:AudioPort ;
+      lv2:index 5 ;
+      lv2:symbol "out_r" ;
+      lv2:name "Out right" ;
     ] .
-- 
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