plugin_host新增mempool提高缓存命中率

core/audio/plugin_host/plugin_host.h

@@ -17,14 +17,24 @@ struct host_param_info {
     float max_value;
 };
 
+enum class plugin_host_type {
+	vst2,
+	vst3,
+	au,
+	aax,
+	lv2,
+	internal,
+};
+
 class CORE_API plugin_host {
     friend class window_manager;
 public:
-    plugin_host() : id(gen_uid()) {
+    plugin_host(plugin_host_type in_type) : id(gen_uid()), type_(in_type) {
     }
     virtual ~plugin_host();
 
-    uint64_t get_uid() const { return id; }
+	[[nodiscard]] uint64_t get_uid() const { return id; }
+	[[nodiscard]] plugin_host_type get_type() const { return type_; }
 
     virtual bool load_plugin(const char* path) = 0;
 
@@ -82,4 +92,5 @@ protected:
 private:
     bool editor_opened = false;
     const uint64_t id = 0;
+	plugin_host_type type_;
 };

core/audio/plugin_host/plugin_host_manager.cpp

@@ -25,9 +25,10 @@ void plugin_host_manager::release(singleton_release_guard& release_guard) {
     release_guard.require_release<audio_device_manager>();
 
     for (const plugin_host* host: plugin_hosts_) {
-        delete host;
+		free_plugin_host(host);
     }
     plugin_hosts_.clear();
+	instrument_plugins_.clear();
 }
 
 plugin_host *plugin_host_manager::create_effect_plugin_host(const char *path) {
@@ -60,7 +61,7 @@ void plugin_host_manager::remove_instrument_plugin_host(plugin_host* host) {
 }
 
 plugin_host* plugin_host_manager::load_plugin(const char* path) {
-    auto host = new vst2_plugin_host();
+    auto host = alloc_plugin_host<vst2_plugin_host>();
     try {
         host->load_plugin(path);
     } catch (std::exception& e) {

core/audio/plugin_host/plugin_host_manager.h

@@ -2,8 +2,10 @@
 #include "misc/delegates.h"
 #include "misc/singleton/singleton.h"
 #include "taskflow/taskflow.hpp"
+#include "plugin_host.h"
+#include "mempool.h"
+#include <unordered_map>
 
-class plugin_host;
 class mixer_track;
 
 class CORE_API plugin_host_manager : public singleton_t<plugin_host_manager> {
@@ -12,7 +14,6 @@ public:
     void begin_release(singleton_release_guard& release_guard) override;
     void release(singleton_release_guard& release_guard) override;
 
-
     plugin_host* create_effect_plugin_host(const char* path);
     plugin_host* create_instrument_plugin_host(const char* path);
     void remove_instrument_plugin_host(plugin_host* host);
@@ -30,8 +31,18 @@ private:
     void register_instrument_plugin(plugin_host* host);
     void on_mixer_track_removed(mixer_track* track);
 
+	template <typename T>
+	T* alloc_plugin_host() {
+		auto* host = plugin_host_map_[T::type].template alloc<T>();
+		return host;
+	}
+	template <typename T>
+	void free_plugin_host(T* host) {
+		plugin_host_map_[host->get_type()].free(host);
+	}
     std::vector<plugin_host*> instrument_plugins_{};
     std::vector<plugin_host*> plugin_hosts_{};
+	std::unordered_map<plugin_host_type, mempool<>> plugin_host_map_;
 
     void update_taskflow(uint32_t in_frames);
     tf::Taskflow taskflow_;

core/audio/plugin_host/vst2/vst2_plugin_host.cpp

@@ -148,7 +148,7 @@ VstIntPtr vst_master_callback(AEffect* effect, VstInt32 opcode, VstInt32 index,
 
 typedef AEffect*(*vst_plugin_entry_proc)(audioMasterCallback AudioMaster);
 
-vst2_plugin_host::vst2_plugin_host() {
+vst2_plugin_host::vst2_plugin_host() : plugin_host(type) {
     effect_ = nullptr;
     library_ = nullptr;
 }

core/audio/plugin_host/vst2/vst2_plugin_host.h

@@ -7,6 +7,7 @@
 class vst2_plugin_host : public plugin_host {
 public:
     static VstTimeInfo vst_time_info;
+	static constexpr auto type = plugin_host_type::vst2;
     vst2_plugin_host();
     ~vst2_plugin_host() override;
     bool load_plugin(const char* path) override;