tmp

src/Sound/Filters/FilterGraph.cpp

@@ -0,0 +1,43 @@
+#pragma once
+
+#include <functional>
+
+#include "../Filter.hpp"
+#include "../Listener.hpp"
+#include "../Sound.hpp"
+
+namespace Dynamo::Sound {
+    /**
+     * @brief Audio filter graph.
+     *
+     * Multiple sources, single sink.
+     *
+     * TODO: Implement this
+     *
+     */
+    class FilterGraph : public Filter {
+        std::vector<FilterRef> _nodes;
+        std::unordered_map<unsigned, std::vector<unsigned>> _adjacency;
+
+      public:
+        Sound &apply(Sound &src,
+                     const unsigned src_offset,
+                     const unsigned length,
+                     const Material &material,
+                     const ListenerProperties &listener) override;
+
+        /**
+         * @brief Add an edge to the filter graph.
+         *
+         * @param from
+         * @param to
+         */
+        void add_edge(Filter &from, Filter &to);
+    };
+
+    /**
+     * @brief Filter graph reference.
+     *
+     */
+    using FilterGraphRef = std::reference_wrapper<FilterGraph>;
+} // namespace Dynamo::Sound

src/Sound/Filters/FilterGraph.hpp

@@ -12,18 +12,25 @@ namespace Dynamo::Sound {
      *
      * Multiple sources, single sink.
      *
-     * TODO: Implement this
-     *
      */
     class FilterGraph : public Filter {
         std::vector<FilterRef> _nodes;
+        std::unordered_map<unsigned, std::vector<unsigned>> _adjacency;
 
       public:
         Sound &apply(Sound &src,
                      const unsigned src_offset,
                      const unsigned length,
                      const Material &material,
                      const ListenerProperties &listener) override;
+
+        /**
+         * @brief Add an edge to the filter graph.
+         *
+         * @param from
+         * @param to
+         */
+        void add_edge(Filter &from, Filter &to);
     };
 
     /**

src/Sound/Jukebox.cpp

@@ -75,9 +75,9 @@ namespace Dynamo::Sound {
                                 const PaStreamCallbackTimeInfo *time_info,
                                 PaStreamCallbackFlags status_flags,
                                 void *data) {
-        State &state = *static_cast<State *>(data);
-        state.buffer.write(static_cast<const WaveSample *>(input),
-                           frame_count * state.channels);
+        State *state = static_cast<State *>(data);
+        state->buffer.write(static_cast<const WaveSample *>(input),
+                            frame_count * state->channels);
         return 0;
     }
 
@@ -87,9 +87,9 @@ namespace Dynamo::Sound {
                                  const PaStreamCallbackTimeInfo *time_info,
                                  PaStreamCallbackFlags status_flags,
                                  void *data) {
-        State &state = *static_cast<State *>(data);
-        state.buffer.read(static_cast<WaveSample *>(output),
-                          frame_count * state.channels);
+        State *state = static_cast<State *>(data);
+        state->buffer.read(static_cast<WaveSample *>(output),
+                           frame_count * state->channels);
         return 0;
     }