Add video node visualization

gui/GraphEditorWidget.cpp

@@ -1252,6 +1252,8 @@ void GraphEditorWidget::rebuildMixerStrips() {
     const WarpNodeData *data = m_model->warpNodeData(nodeId);
     if (!data)
       continue;
+    if (!nodeHasVolume(WarpGraphModel::classifyNode(data->info)))
+      continue;
 
     auto *strip = new QWidget();
     strip->setStyleSheet(QStringLiteral(

gui/WarpGraphModel.cpp

@@ -230,6 +230,9 @@ QVariant WarpGraphModel::portData(QtNodes::NodeId nodeId,
   const auto &data = it->second;
 
   if (role == QtNodes::PortRole::DataType) {
+    WarpNodeType ntype = classifyNode(data.info);
+    if (ntype == WarpNodeType::kVideoSource || ntype == WarpNodeType::kVideoSink)
+      return QString("video");
     return QString("audio");
   }
 
@@ -479,9 +482,11 @@ void WarpGraphModel::refreshFromClient() {
       }
     }
 
-    auto *volumeWidget = new NodeVolumeWidget();
+    if (nodeHasVolume(nodeType)) {
-    m_volumeWidgets[qtId] = volumeWidget;
+      auto *volumeWidget = new NodeVolumeWidget();
-    m_volumeStates[qtId] = {};
+      m_volumeWidgets[qtId] = volumeWidget;
+      m_volumeStates[qtId] = {};
+    }
 
     Q_EMIT nodeCreated(qtId);
   }
@@ -801,6 +806,12 @@ WarpGraphModel::classifyNode(const warppipe::NodeInfo &info) {
   if (mc == "Stream/Output/Audio" || mc == "Stream/Input/Audio") {
     return WarpNodeType::kApplication;
   }
+  if (mc == "Video/Source") {
+    return WarpNodeType::kVideoSource;
+  }
+  if (mc == "Video/Sink") {
+    return WarpNodeType::kVideoSink;
+  }
 
   return WarpNodeType::kUnknown;
 }
@@ -1071,9 +1082,11 @@ bool WarpGraphModel::loadLayout(const QString &path) {
               ? m_positions.at(qtId)
               : QPointF(0, 0);
 
-      auto *volumeWidget = new NodeVolumeWidget();
+      if (nodeHasVolume(classifyNode(info))) {
-      m_volumeWidgets[qtId] = volumeWidget;
+        auto *volumeWidget = new NodeVolumeWidget();
-      m_volumeStates[qtId] = {};
+        m_volumeWidgets[qtId] = volumeWidget;
+        m_volumeStates[qtId] = {};
+      }
 
       Q_EMIT nodeCreated(qtId);
     }
@@ -1105,6 +1118,7 @@ void WarpGraphModel::autoArrange() {
   Column sources;
   Column apps;
   Column sinks;
+  Column video;
 
   for (const auto &[qtId, data] : m_nodes) {
     WarpNodeType type = classifyNode(data.info);
@@ -1121,6 +1135,11 @@ void WarpGraphModel::autoArrange() {
       apps.ids.push_back(qtId);
       apps.maxWidth = std::max(apps.maxWidth, w);
       break;
+    case WarpNodeType::kVideoSource:
+    case WarpNodeType::kVideoSink:
+      video.ids.push_back(qtId);
+      video.maxWidth = std::max(video.maxWidth, w);
+      break;
     default:
       sinks.ids.push_back(qtId);
       sinks.maxWidth = std::max(sinks.maxWidth, w);
@@ -1146,6 +1165,10 @@ void WarpGraphModel::autoArrange() {
   layoutColumn(apps, x);
   x += apps.maxWidth + kHorizontalGap * 3;
   layoutColumn(sinks, x);
+  if (!video.ids.empty()) {
+    x += sinks.maxWidth + kHorizontalGap * 3;
+    layoutColumn(video, x);
+  }
 }
 
 QVariant WarpGraphModel::styleForNode(WarpNodeType type, bool ghost) {
@@ -1168,6 +1191,12 @@ QVariant WarpGraphModel::styleForNode(WarpNodeType type, bool ghost) {
   case WarpNodeType::kApplication:
     base = QColor(138, 104, 72);
     break;
+  case WarpNodeType::kVideoSource:
+    base = QColor(120, 80, 130);
+    break;
+  case WarpNodeType::kVideoSink:
+    base = QColor(100, 70, 140);
+    break;
   default:
     base = QColor(86, 94, 108);
     break;

gui/WarpGraphModel.h

@@ -20,8 +20,21 @@ enum class WarpNodeType : uint8_t {
   kVirtualSink,
   kVirtualSource,
   kApplication,
+  kVideoSource,
+  kVideoSink,
 };
 
+inline bool nodeHasVolume(WarpNodeType type) {
+  switch (type) {
+  case WarpNodeType::kVideoSource:
+  case WarpNodeType::kVideoSink:
+  case WarpNodeType::kUnknown:
+    return false;
+  default:
+    return true;
+  }
+}
+
 struct WarpNodeData {
   warppipe::NodeInfo info;
   std::vector<warppipe::PortInfo> inputPorts;

tests/gui/warppipe_gui_tests.cpp

@@ -18,6 +18,8 @@
 #include <catch2/catch_test_macros.hpp>
 #include <catch2/catch_approx.hpp>
 
+#include <cmath>
+
 namespace {
 
 warppipe::ConnectionOptions TestOptions() {
@@ -1093,7 +1095,8 @@ TEST_CASE("setNodeVolumeState syncs inline widget") {
   ns.mute = true;
   model.setNodeVolumeState(qtId, ns);
 
-  REQUIRE(vol->volume() == 70);
+  // Cubic scaling: slider = cbrt(0.7) * 100 ≈ 89
+  REQUIRE(vol->volume() == static_cast<int>(std::round(std::cbrt(0.7f) * 100.0f)));
   REQUIRE(vol->isMuted());
 }
 
@@ -1139,6 +1142,8 @@ TEST_CASE("preset saves and loads volume state") {
   }
   REQUIRE(found);
 
+  tc.client->Test_SetNodeVolume(warppipe::NodeId{100650}, 1.0f, false);
+
   WarpGraphModel model2(tc.client.get());
   model2.refreshFromClient();
   auto qtId2 = model2.qtNodeIdForPw(100650);