Implement IParamValueQueue

2026-05-08 12:30:12 +02:00 · 2020-12-15 14:01:04 +01:00
parent e7d7317f60
commit 026595d99f
5 changed files with 171 additions and 0 deletions
@@ -0,0 +1,74 @@
+// yabridge: a Wine VST bridge
+// Copyright (C) 2020  Robbert van der Helm
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "param-value-queue.h"
+
+YaParamValueQueue::YaParamValueQueue(){FUNKNOWN_CTOR}
+
+YaParamValueQueue::YaParamValueQueue(
+    Steinberg::Vst::IParamValueQueue& original_queue)
+    : parameter_id(original_queue.getParameterId()),
+      queue(original_queue.getPointCount()) {
+    FUNKNOWN_CTOR
+
+    // Copy over all points to our vector
+    for (int i = 0; i < original_queue.getPointCount(); i++) {
+        // We're skipping the assertions here and just assume that the function
+        // returns `kResultOk`
+        original_queue.getPoint(i, queue[i].first, queue[i].second);
+    }
+}
+
+YaParamValueQueue::~YaParamValueQueue() {
+    FUNKNOWN_DTOR
+}
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdelete-non-virtual-dtor"
+IMPLEMENT_FUNKNOWN_METHODS(YaParamValueQueue,
+                           Steinberg::Vst::IParamValueQueue,
+                           Steinberg::Vst::IParamValueQueue::iid)
+#pragma GCC diagnostic pop
+
+Steinberg::Vst::ParamID PLUGIN_API YaParamValueQueue::getParameterId() {
+    return parameter_id;
+}
+
+int32 PLUGIN_API YaParamValueQueue::getPointCount() {
+    return queue.size();
+}
+
+tresult PLUGIN_API
+YaParamValueQueue::getPoint(int32 index,
+                            int32& sampleOffset /*out*/,
+                            Steinberg::Vst::ParamValue& value /*out*/) {
+    if (index < static_cast<int32>(queue.size())) {
+        sampleOffset = queue[index].first;
+        value = queue[index].second;
+
+        return Steinberg::kResultOk;
+    } else {
+        return Steinberg::kInvalidArgument;
+    }
+}
+tresult PLUGIN_API YaParamValueQueue::addPoint(int32 sampleOffset,
+                                               Steinberg::Vst::ParamValue value,
+                                               int32& index /*out*/) {
+    index = queue.size();
+    queue.push_back({sampleOffset, value});
+
+    return Steinberg::kResultOk;
+}