hardcoded decklink mode fix

nodes/decklink-out/src/decklink_out_node.cpp

@@ -201,10 +201,15 @@ void DeckLinkOutNode::process() {
     mxlFlowConfigInfo config{};
     mxlFlowReaderGetConfigInfo(*reader_, &config);
     auto grain_size = grain_info.grainSize;
-    auto height = config.discrete.grainCount > 0 ? 1080 : 1080;
-    auto row_bytes = grain_size / height;
 
-    schedule_frame(payload, 1920, height, row_bytes);
+    long height = 1080;
+    if (config.discrete.sliceSizes[0] > 0) {
+        height = grain_size / config.discrete.sliceSizes[0];
+    }
+    long row_bytes = (config.discrete.sliceSizes[0] > 0) ? static_cast<long>(config.discrete.sliceSizes[0]) : (grain_size / height);
+    long width = (row_bytes * 3) / 8;
+
+    schedule_frame(payload, width, height, row_bytes);
 
     read_index_ = grain_info.index + 1;
     grains_read_++;
@@ -221,6 +226,7 @@ nlohmann::json DeckLinkOutNode::status() const {
         {"read_index", read_index_},
         {"playing", playing_.load()},
         {"has_reader", reader_.has_value()},
+        {"grain_rate", {{"numerator", grain_rate_.numerator}, {"denominator", grain_rate_.denominator}}},
     };
 }