修改audio_buffer::get_interleaved_buffer()为const, 新增当乐器类型插件移除时移除混音轨道

core/audio/misc/audio_buffer.cpp

@@ -39,7 +39,7 @@ void audio_buffer::multiple(float percent) {
     }
 }
 
-std::vector<float> audio_buffer::get_interleaved_buffer() {
+std::vector<float> audio_buffer::get_interleaved_buffer() const {
     std::scoped_lock lock(lock_);
     std::vector<float> result;
     result.reserve(buffer_[0].size() * buffer_.size());

core/audio/misc/audio_buffer.h

@@ -14,7 +14,7 @@ public:
     void mix(audio_buffer& in_buffer, float percent = 1.f);
     void multiple(float percent);
 
-    std::vector<float> get_interleaved_buffer();
+    std::vector<float> get_interleaved_buffer() const;
 private:
     std::vector<std::vector<float>> buffer_;
     std::vector<float*> headers_{};

core/audio/mixer/mixer_track.cpp

@@ -11,7 +11,6 @@ mixer_track::~mixer_track() {
 void mixer_track::init() {
     const uint32_t channel_count = g_audio_device_manager.get_output_channel_count();
     buffer.resize(channel_count, g_audio_device_manager.get_buffer_size());
-    ui_buffer.SetCapacity(g_audio_device_manager.get_buffer_size() * 3);
 
     channel_interface_ = new mixer_channel_interface(this);
 }
@@ -39,9 +38,7 @@ void mixer_track::process(uint32_t in_frames) {
     for (auto effect : effects)
         effect->process(in_frames);
     buffer.multiple(volume);
-
-    const std::vector<float>& interleaved_buffer = buffer.get_interleaved_buffer();
-    ui_buffer.Push(interleaved_buffer.data(), interleaved_buffer.size());
+    on_processed.broadcast(this);
 }
 
 void instrument_track::rename(const std::string& in_name) {

core/audio/mixer/mixer_track.h

@@ -1,6 +1,7 @@
 #pragma once
 #include "audio/misc/audio_buffer.h"
 #include "audio/misc/circular_audio_buffer.h"
+#include "misc/delegates.h"
 
 class channel_interface;
 class mixer_track;
@@ -40,10 +41,10 @@ public:
     [[nodiscard]] channel_interface* get_channel_interface() const { return channel_interface_; }
 
     audio_buffer buffer;
-    circular_audio_buffer<float> ui_buffer; // (交错缓冲区)用于显示可视化的音频数据, 根据DeltaTime来动态获取数据
     std::atomic<float> volume = 1.0f;
     std::vector<plugin_host*> effects{};
     std::vector<mixer_track_link> children{};
+    multicast_delegate<mixer_track*> on_processed;
 private:
     void add_effect_internal(plugin_host* in_effect);
     const mixer_track_type type_;

core/audio/plugin_host/plugin_host_manager.cpp

@@ -38,6 +38,7 @@ void plugin_host_manager::remove_instrument_plugin_host(plugin_host* host) {
     g_audio_thread_hub.push_message([host, this]() {
         auto find = std::ranges::find(instrument_plugins_, host);
         if (find != instrument_plugins_.end()) {
+            g_mixer.remove_track(host->owner_tracks[0]);
             plugin_hosts_.erase(std::ranges::find(plugin_hosts_, host));
             instrument_plugins_.erase(find);
             g_main_thread_hub.push_message([host, this]() {