Move external nodes out of the research folder.

2026-04-22 00:06:59 +02:00 · 2021-08-14 18:50:48 +10:00
parent 2671e07560
commit 73fdf8486b
28 changed files with 2351 additions and 999 deletions
@@ -0,0 +1,80 @@
+
+#define VOCLIB_IMPLEMENTATION
+#include "ma_vocoder_node.h"
+
+MA_API ma_vocoder_node_config ma_vocoder_node_config_init(ma_uint32 channels, ma_uint32 sampleRate)
+{
+    ma_vocoder_node_config config;
+
+    MA_ZERO_OBJECT(&config);
+    config.nodeConfig     = ma_node_config_init();   /* Input and output channels will be set in ma_vocoder_node_init(). */
+    config.channels       = channels;
+    config.sampleRate     = sampleRate;
+    config.bands          = 16;
+    config.filtersPerBand = 6;
+
+    return config;
+}
+
+
+static void ma_vocoder_node_process_pcm_frames(ma_node* pNode, const float** ppFramesIn, ma_uint32* pFrameCountIn, float** ppFramesOut, ma_uint32* pFrameCountOut)
+{
+    ma_vocoder_node* pVocoderNode = (ma_vocoder_node*)pNode;
+
+    (void)pFrameCountIn;
+
+    voclib_process(&pVocoderNode->voclib, ppFramesIn[0], ppFramesIn[1], ppFramesOut[0], *pFrameCountOut);
+}
+
+static ma_node_vtable g_ma_vocoder_node_vtable =
+{
+    ma_vocoder_node_process_pcm_frames,
+    NULL,
+    2,  /* 2 input channels. */
+    1,  /* 1 output channel. */
+    0
+};
+
+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_result result;
+    ma_node_config baseConfig;
+    ma_uint32 inputChannels[2];
+    ma_uint32 outputChannels[1];
+
+    if (pVocoderNode == NULL) {
+        return MA_INVALID_ARGS;
+    }
+
+    MA_ZERO_OBJECT(pVocoderNode);
+
+    if (pConfig == NULL) {
+        return MA_INVALID_ARGS;
+    }
+
+    if (voclib_initialize(&pVocoderNode->voclib, (unsigned char)pConfig->bands, (unsigned char)pConfig->filtersPerBand, (unsigned int)pConfig->sampleRate, (unsigned char)pConfig->channels) == 0) {
+        return MA_INVALID_ARGS;
+    }
+
+    inputChannels [0] = pConfig->channels;   /* Source/carrier. */
+    inputChannels [1] = 1;                   /* Excite/modulator. Must always be single channel. */
+    outputChannels[0] = pConfig->channels;   /* Output channels is always the same as the source/carrier. */
+
+    baseConfig = pConfig->nodeConfig;
+    baseConfig.vtable          = &g_ma_vocoder_node_vtable;
+    baseConfig.pInputChannels  = inputChannels;
+    baseConfig.pOutputChannels = outputChannels;
+
+    result = ma_node_init(pNodeGraph, &baseConfig, pAllocationCallbacks, &pVocoderNode->baseNode);
+    if (result != MA_SUCCESS) {
+        return result;
+    }
+
+    return MA_SUCCESS;
+}
+
+MA_API void ma_vocoder_node_uninit(ma_vocoder_node* pVocoderNode, const ma_allocation_callbacks* pAllocationCallbacks)
+{
+    /* The base node must always be initialized first. */
+    ma_node_uninit(pVocoderNode, pAllocationCallbacks);
+}