common: Switch to updated rnnoise v0.2

Credits to @pengzhendong for initial PR with rnnoise update.

CMakeLists.txt

@@ -22,12 +22,13 @@ option(BUILD_LV2_PLUGIN "If the LV2 plugin should be built" ON)
 option(BUILD_LADSPA_PLUGIN "If the LADSPA plugin should be built" ON)
 option(BUILD_AU_PLUGIN "If the AU plugin should be built (macOS only)" ON)
 option(BUILD_AUV3_PLUGIN "If the AUv3 plugin should be built (macOS only)" ON)
+option(BUILD_RTCD "Enable x86 run-time CPU detection (x86 only)" OFF)
 
 if (BUILD_TESTS)
     list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/external/catch2/)
 endif ()
 
-add_subdirectory(src/rnnoise)
+add_subdirectory(external/rnnoise)
 add_subdirectory(src/common)
 if (BUILD_LADSPA_PLUGIN)
     add_subdirectory(src/ladspa_plugin)

src/common/src/RnNoiseCommonPlugin.cpp

@@ -5,7 +5,7 @@
 #include <algorithm>
 #include <cassert>
 
-#include <rnnoise/rnnoise.h>
+#include <rnnoise.h>
 
 static const uint32_t k_minVADGracePeriodBlocks = 20;
 static const uint32_t k_maxRetroactiveVADGraceBlocks = 99;
@@ -267,7 +267,7 @@ void RnNoiseCommonPlugin::createDenoiseState() {
     m_prevRetroactiveVADGraceBlocks = 0;
 
     for (uint32_t i = 0; i < m_channelCount; i++) {
-        auto denoiseState = std::shared_ptr<DenoiseState>(rnnoise_create(), [](DenoiseState *st) {
+        auto denoiseState = std::shared_ptr<DenoiseState>(rnnoise_create(nullptr), [](DenoiseState *st) {
             rnnoise_destroy(st);
         });