Move external nodes out of the research folder.

extras/nodes/ma_vocoder_node/ma_vocoder_node.h

@@ -0,0 +1,45 @@
+/* Include ma_vocoder_node.h after miniaudio.h */
+#ifndef ma_vocoder_node_h
+#define ma_vocoder_node_h
+
+#include "voclib.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/*
+The vocoder node has two inputs and one output. Inputs:
+
+    Input Bus 0: The source/carrier stream.
+    Input Bus 1: The excite/modulator stream.
+
+The source (input bus 0) and output must have the same channel count, and is restricted to 1 or 2.
+The excite (input bus 1) is restricted to 1 channel.
+*/
+typedef struct
+{
+    ma_node_config nodeConfig;
+    ma_uint32 channels;         /* The number of channels of the source, which will be the same as the output. Must be 1 or 2. The excite bus must always have one channel. */
+    ma_uint32 sampleRate;
+    ma_uint32 bands;            /* Defaults to 16. */
+    ma_uint32 filtersPerBand;   /* Defaults to 6. */
+} ma_vocoder_node_config;
+
+MA_API ma_vocoder_node_config ma_vocoder_node_config_init(ma_uint32 channels, ma_uint32 sampleRate);
+
+
+typedef struct
+{
+    ma_node_base baseNode;
+    voclib_instance voclib;
+} ma_vocoder_node;
+
+MA_API ma_result ma_vocoder_node_init(ma_node_graph* pNodeGraph, const ma_vocoder_node_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_vocoder_node* pVocoderNode);
+MA_API void ma_vocoder_node_uninit(ma_vocoder_node* pVocoderNode, const ma_allocation_callbacks* pAllocationCallbacks);
+
+#ifdef __cplusplus
+}
+#endif
+#endif  /* ma_vocoder_node_h */