新增mixer_track ui_buffer用于绘制混音台轨道音量

新增默认插件窗口位置
新增portaudio启用默认asio输出设备
修复circular_audio_buffer编译错误

core/application/window_manager.cpp

@@ -51,6 +51,8 @@ GLFWwindow* window_manager::create_plugin_host_window(plugin_host* host) {
     if (host_window_pos_map_.contains(host)) {
         auto pos = host_window_pos_map_[host];
         glfwSetWindowPos(new_window, pos.x, pos.y);
+    }else {
+        glfwSetWindowPos(new_window, 100, 100);
     }
     host_window_map_[host] = new_window;
     glfwShowWindow(new_window);

core/audio/device/port_audio_device.cpp

@@ -37,7 +37,9 @@ void port_audio_device::stop() {
 
 void port_audio_device::start() {
     try {
-        open_stream(-1, Pa_GetDefaultOutputDevice(), sample_rate(), buffer_size());
+        auto host_api_info = Pa_GetHostApiInfo(Pa_HostApiTypeIdToHostApiIndex(paASIO));
+        auto device_info = Pa_GetDeviceInfo(host_api_info->defaultOutputDevice);
+        open_stream(-1, host_api_info->defaultOutputDevice, sample_rate(), buffer_size());
     } catch (const std::exception& e) {
         spdlog::error("Init failed: {}", e.what());
     }

core/audio/device/port_audio_device.h

@@ -27,7 +27,7 @@ private:
     void render_thread();
     std::thread render_thread_;
     circular_audio_buffer<float> render_buffer_;
-    uint32_t render_buffer_size_ = 2048;
+    uint32_t render_buffer_size_ = 512;
     std::atomic_bool render_thread_running_ = false;
 #pragma endregion
 

core/audio/misc/circular_audio_buffer.h

@@ -30,8 +30,8 @@ public:
     circular_audio_buffer& operator=(const circular_audio_buffer& InOther) {
         InternalBuffer = InOther.InternalBuffer;
         Capacity = InOther.Capacity;
-        ReadCounter = InOther.ReadCounter;
-        WriteCounter = InOther.WriteCounter;
+        ReadCounter.store(InOther.ReadCounter);
+        WriteCounter.store(InOther.WriteCounter);
 
         return *this;
     }

core/audio/mixer/mixer_track.cpp

@@ -11,6 +11,9 @@ 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());
+    for (int i = 0; i < buffer.get_num_channels(); ++i) {
+        ui_buffers.emplace_back(g_audio_device_manager.get_buffer_size() * 2);
+    }
 
     channel_interface_ = new mixer_channel_interface(this);
 }
@@ -39,6 +42,9 @@ void mixer_track::process(uint32_t in_frames) {
         effect->process(in_frames);
     buffer.multiple(volume);
     on_processed.broadcast(this);
+    for (int i = 0; i < buffer.get_num_channels(); ++i) {
+        ui_buffers[i].Push(buffer.get_headers()[i], in_frames);
+    }
 }
 
 void instrument_track::rename(const std::string& in_name) {

core/audio/mixer/mixer_track.h

@@ -41,6 +41,7 @@ public:
     [[nodiscard]] channel_interface* get_channel_interface() const { return channel_interface_; }
 
     audio_buffer buffer;
+    std::vector<circular_audio_buffer<float>> ui_buffers;
     std::atomic<float> volume = 1.0f;
     std::vector<plugin_host*> effects{};
     std::vector<mixer_track_link> children{};

core/audio/plugin_host/plugin_host.cpp

@@ -5,12 +5,13 @@
 
 plugin_host::~plugin_host() {
     delete channel;
-    g_window_manager.destroy_plugin_host_window(this);
 }
 
 void plugin_host::try_open_editor() {
     if (!has_editor())
         return;
+    if (editor_opened)
+        return;
     editor_window = g_window_manager.create_plugin_host_window(this);
     open_editor(editor_window);
     editor_opened = true;
@@ -19,6 +20,8 @@ void plugin_host::try_open_editor() {
 void plugin_host::try_close_editor() {
     if (!has_editor())
         return;
+    if (editor_opened == false)
+        return;
     close_editor();
     editor_opened = false;
     g_window_manager.destroy_plugin_host_window(this);

core/audio/plugin_host/vst2/vst2_plugin_host.cpp

@@ -134,6 +134,7 @@ vst2_plugin_host::vst2_plugin_host() {
 
 vst2_plugin_host::~vst2_plugin_host() {
     spdlog::info("vst2 plugin {} destroyed", name);
+    try_close_editor();
     if (effect_) {
         dispatch(effClose);
     }

third_party/imgui/imgui

@@ -1 +1 @@
-Subproject commit 77dff5a735afd821fea1ac54dda63ef5d8bded96
+Subproject commit 8048b52498a9bf2a9f87b080d43b0bfd7a5d51d8