改为使用rtaudio

.gitmodules

@@ -1,9 +1,6 @@
 [submodule "third_party/imgui/imgui"]
 	path = third_party/imgui/imgui
 	url = https://github.com/ocornut/imgui.git
-[submodule "third_party/portaudio"]
-	path = third_party/portaudio
-	url = https://github.com/PortAudio/portaudio.git
 [submodule "third_party/spdlog"]
 	path = third_party/spdlog
 	url = https://github.com/gabime/spdlog.git
@@ -13,3 +10,6 @@
 [submodule "third_party/taskflow"]
 	path = third_party/taskflow
 	url = https://github.com/taskflow/taskflow.git
+[submodule "third_party/rtaudio"]
+	path = third_party/rtaudio
+	url = https://github.com/thestk/rtaudio.git

CMakeLists.txt

@@ -56,19 +56,14 @@ function(retrieve_files out_files)
     set(${out_files} ${RESULT} PARENT_SCOPE)
 endfunction()
 
-set(SHADER_CPP_GENERATED_CMAKE "${CMAKE_CURRENT_SOURCE_DIR}/cmake/GenerateShaderCPPFile.cmake" CACHE STRING "" FORCE)
-
 # setup portaudio
-set(PA_USE_ASIO ON CACHE BOOL "" FORCE)
-set(PA_BUILD_SHARED_LIBS ON CACHE BOOL "" FORCE)
+set(RTAUDIO_API_ASIO ON CACHE BOOL "" FORCE)
 
 if (WIN32)
-    set(PA_USE_WMME OFF CACHE BOOL "" FORCE)
-    set(PA_USE_WDMKS OFF CACHE BOOL "" FORCE)
-    set(PA_USE_WDMKS_DEVICE_INFO OFF CACHE BOOL "" FORCE)
-    set(PA_USE_DS OFF CACHE BOOL "" FORCE)
+    set(RTAUDIO_API_WASAPI ON CACHE BOOL "" FORCE)
+    set(RTAUDIO_API_DS OFF CACHE BOOL "" FORCE)
 elseif(APPLE)
-    set(PA_USE_COREAUDIO ON CACHE BOOL "" FORCE)
+    set(RTAUDIO_API_CORE ON CACHE BOOL "" FORCE)
 endif()
 
 # setup spdlog
@@ -83,7 +78,7 @@ set(SPDLOG_ENABLE_PCH ON CACHE BOOL "" FORCE)
 set(SPDLOG_USE_STD_FORMAT OFF CACHE BOOL "" FORCE)
 
 if (MSVC)
-link_directories(${CMAKE_BINARY_DIR}/bin/$<CONFIG>)
+    link_directories(${CMAKE_BINARY_DIR}/bin/$<CONFIG>)
 endif ()
 
 # setup taskflow
@@ -91,12 +86,7 @@ set(TF_BUILD_TESTS OFF CACHE BOOL "" FORCE)
 set(TF_BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
 
 add_subdirectory(core)
-add_subdirectory(third_party/portaudio)
+add_subdirectory(third_party/rtaudio)
 add_subdirectory(third_party/spdlog)
 add_subdirectory(third_party/mempool)
 add_subdirectory(third_party/taskflow)
-
-add_definitions(-DGLFW_INCLUDE_NONE)
-
-# install
-install(DIRECTORY ${CMAKE_SOURCE_DIR}/third_party/imgui/imgui/misc/fonts DESTINATION ${CMAKE_BINARY_DIR}/bin)

cmake/GenerateShaderCPPFile.cmake

@@ -1,25 +0,0 @@
-function(embed_resource resource_file_name source_file_name variable_name)
-    if(EXISTS "${source_file_name}")
-        if("${source_file_name}" IS_NEWER_THAN "${resource_file_name}")
-            return()
-        endif()
-    endif()
-    if(EXISTS "${resource_file_name}")
-        file(REMOVE "${source_file_name}")
-        file(READ "${resource_file_name}" hex_content HEX)
-        string(REPEAT "[0-9a-f]" 32 pattern)
-        string(REGEX REPLACE "(${pattern})" "\\1\n" content "${hex_content}")
-        string(REGEX REPLACE "([0-9a-f][0-9a-f])" "0x\\1, " content "${content}")
-        string(REGEX REPLACE ", $" "" content "${content}")
-        set(array_definition "static const uint8_t ${variable_name} []=\n{\n${content}\n};")
-        get_filename_component(file_name ${source_file_name} NAME)
-        set(source "#pragma once\n/**\n * @file ${file_name}\n * @brief Auto generated file.\n */\n${array_definition}\n")
-        file(WRITE "${source_file_name}" "${source}")
-    else()
-        message("ERROR: ${resource_file_name} doesn't exist")
-        return()
-    endif()
-endfunction()
-if(EXISTS "${PATH}")
-    embed_resource("${PATH}" "${HEADER}" "${GLOBAL}")
-endif()

core/CMakeLists.txt

@@ -8,10 +8,10 @@ retrieve_files(ALL_FILES)
 add_library(${PROJECT_NAME} SHARED ${ALL_FILES})
 
 
-target_include_directories(${PROJECT_NAME} PUBLIC ${CMAKE_CURRENT_SOURCE_DIR} PortAudio spdlog mempool Taskflow)
+target_include_directories(${PROJECT_NAME} PUBLIC ${CMAKE_CURRENT_SOURCE_DIR} rtaudio spdlog mempool Taskflow)
 
-target_link_directories(${PROJECT_NAME} PUBLIC ${CMAKE_CURRENT_SOURCE_DIR} PortAudio spdlog mempool Taskflow)
-target_link_libraries(${PROJECT_NAME} PUBLIC PortAudio spdlog mempool Taskflow)
+target_link_directories(${PROJECT_NAME} PUBLIC ${CMAKE_CURRENT_SOURCE_DIR} rtaudio spdlog mempool Taskflow)
+target_link_libraries(${PROJECT_NAME} PUBLIC rtaudio spdlog mempool Taskflow)
 
 target_precompile_headers(${PROJECT_NAME} PUBLIC extern.h)
 add_definitions(-Dcore_EXPORTS)

core/audio/device/audio_device.cpp

@@ -1 +0,0 @@
-#include "audio_device.h"

core/audio/device/audio_device.h

@@ -1,29 +0,0 @@
-#pragma once
-
-class audio_device {
-public:
-    virtual ~audio_device() = default;
-
-    virtual bool init() = 0;
-    virtual void destroy() = 0;
-
-    void set_sample_rate(double sample_rate) {
-        if (on_set_sample_rate(sample_rate)) {
-            sample_rate_ = sample_rate;
-        }
-    }
-    void set_buffer_size(uint32_t buffer_size) {
-        if (on_set_buffer_size(buffer_size)) {
-            buffer_size_ = buffer_size;
-        }
-    }
-
-    [[nodiscard]] double sample_rate() const { return sample_rate_; }
-    [[nodiscard]] uint32_t buffer_size() const { return buffer_size_; }
-protected:
-    virtual bool on_set_sample_rate(double in_sample_rate) = 0;
-    virtual bool on_set_buffer_size(uint32_t in_buffer_size) = 0;
-private:
-    double sample_rate_ = 44100;
-    uint32_t buffer_size_ = 2048;
-};

core/audio/device/audio_device_manager.cpp

@@ -1,46 +1,53 @@
 #include "audio_device_manager.h"
 
-#include "dummy_audio_device.h"
-#include "port_audio_device.h"
 #include "audio/mixer/mixer.h"
+#include "audio/mixer/mixer_track.h"
+#include "audio/plugin_host/midi_sequencer.h"
+#include "audio/plugin_host/plugin_host_manager.h"
+#include "thread_message/thread_message_hubs.h"
+
+int rt_audio_callback(void *output_buffer, void *input_buffer,
+                                unsigned int frames_nums,
+                                double stream_time,
+                                RtAudioStreamStatus status,
+                                void* user_data)
+{
+    auto* API = static_cast<audio_device_manager*>(user_data);
+    return API->stream_callback((float**)output_buffer, static_cast<float**>(input_buffer), frames_nums, stream_time, status);
+}
 
 void audio_device_manager::init(singleton_initliazer& initliazer) {
     singleton_t<audio_device_manager>::init(initliazer);
-
-    dummy_audio_device_ = new dummy_audio_device();
-    main_audio_device_ = new port_audio_device();
-
-    main_audio_device_->init();
-    dummy_audio_device_->init();
+    options_.flags = RTAUDIO_NONINTERLEAVED;
 }
 
 void audio_device_manager::release(singleton_release_guard& release_guard) {
     singleton_t<audio_device_manager>::release(release_guard);
     release_guard.require_release<mixer>();
-    delete dummy_audio_device_;
-    delete main_audio_device_;
 }
 
 void audio_device_manager::start() {
-    main_audio_device_->start();
+    RtAudio::StreamParameters* input_params = nullptr;
+    if (input_params_.deviceId != 0) {
+        input_params = &input_params_;
+    }
+    audio_.openStream(&output_params_, input_params, RTAUDIO_FLOAT32, get_sample_rate(), &options_.numberOfBuffers, &rt_audio_callback, this, &options_);
 }
 
-double audio_device_manager::get_sample_rate() const {
-    return main_audio_device_->sample_rate();
+uint32_t audio_device_manager::get_sample_rate() const {
+    return sample_rate_;
 }
 
-void audio_device_manager::set_sample_rate(double sample_rate) {
-    main_audio_device_->set_sample_rate(sample_rate);
-    dummy_audio_device_->set_sample_rate(sample_rate);
+void audio_device_manager::set_sample_rate(uint32_t sample_rate) {
+    sample_rate_ = sample_rate;
 }
 
 uint32_t audio_device_manager::get_buffer_size() const {
-    return main_audio_device_->buffer_size();
+    return options_.numberOfBuffers;
 }
 
 void audio_device_manager::set_buffer_size(int buffer_size) {
-    main_audio_device_->set_buffer_size(buffer_size);
-    dummy_audio_device_->set_buffer_size(buffer_size);
+    options_.numberOfBuffers = buffer_size;
 }
 
 uint32_t audio_device_manager::get_input_channel_count() const {
@@ -50,3 +57,52 @@ uint32_t audio_device_manager::get_input_channel_count() const {
 uint32_t audio_device_manager::get_output_channel_count() const {
     return 2; // 现在是固定值, 以后可能会改
 }
+
+int audio_device_manager::stream_callback(float** output, float** input, unsigned long frame_count, double stream_time,
+    RtAudioStreamStatus status) {
+    if (render_buffer_.Num() < frame_count * output_params_.nChannels)
+        return 0;
+    for (int i = 0; i < output_params_.nChannels; ++i) {
+        render_buffer_.Pop(input[i], frame_count);
+    }
+    return 0;
+}
+
+void audio_device_manager::start_render_thread() {
+    render_thread_ = std::thread(&audio_device_manager::render_thread, this);
+    render_thread_.detach();
+}
+
+void audio_device_manager::stop_render_thread() {
+    if (render_thread_.joinable())
+        render_thread_.join();
+}
+
+void audio_device_manager::render_thread() {
+    dummy_track* master = g_mixer.get_master();
+    spdlog::info("port_audio render thread started");
+
+    render_buffer_.SetCapacity(get_buffer_size() * 4);
+    const uint32_t frames = get_buffer_size();
+    const uint32_t rate = get_sample_rate();
+
+    while (audio_.isStreamRunning()) {
+        const uint32_t milliseconds = 1.f / (rate / (frames / 4)) * 1000;
+
+        g_audio_thread_hub.process_messages();
+        if (render_buffer_.Num() >= render_buffer_size_) {
+            std::this_thread::sleep_for(std::chrono::milliseconds(milliseconds));
+            continue;
+        }
+        g_midi_sequencer.process(rate, frames);
+        g_mixer.reset();
+        g_plugin_host_manager.process(frames);
+        g_mixer.process(frames);
+
+        const auto& master_headers = master->buffer.get_headers_vector();
+        for (const auto element: master_headers) {
+            render_buffer_.Push(element, frames);
+        }
+    }
+    spdlog::info("port_audio render thread stopped");
+}

core/audio/device/audio_device_manager.h

@@ -1,8 +1,8 @@
 #pragma once
 #include "misc/singleton/singleton.h"
 
-class dummy_audio_device;
-class port_audio_device;
+#include "audio/misc/circular_audio_buffer.h"
+#include "RtAudio.h"
 
 class audio_device_manager : public singleton_t<audio_device_manager> {
 public:
@@ -13,15 +13,30 @@ public:
 
     CORE_API [[nodiscard]] const char* get_name() override { return "audio_device_manager"; }
 
-    CORE_API [[nodiscard]] double get_sample_rate() const;
-    CORE_API void set_sample_rate(double sample_rate);
+    CORE_API [[nodiscard]] uint32_t get_sample_rate() const;
+    CORE_API void set_sample_rate(uint32_t sample_rate);
     CORE_API [[nodiscard]] uint32_t get_buffer_size() const;
     CORE_API void set_buffer_size(int buffer_size);
     CORE_API [[nodiscard]] uint32_t get_input_channel_count() const;
     CORE_API [[nodiscard]] uint32_t get_output_channel_count() const;
+
+    int stream_callback(float** output, float** input, unsigned long frame_count, double stream_time, RtAudioStreamStatus status);
+protected:
+#pragma region render_thread
+    void start_render_thread();
+    void stop_render_thread();
+    void render_thread();
+    std::thread render_thread_;
+    circular_audio_buffer<float> render_buffer_;
+    uint32_t render_buffer_size_ = 512;
+    std::atomic_bool render_thread_running_ = false;
+#pragma endregion
 private:
-    port_audio_device* main_audio_device_ = nullptr;
-    dummy_audio_device* dummy_audio_device_ = nullptr;
+    RtAudio::StreamParameters input_params_ = {};
+    RtAudio::StreamParameters output_params_ = {};
+    RtAudio::StreamOptions options_ = {};
+    uint32_t sample_rate_ = 44100;
+    RtAudio audio_;
 };
 
 DEFINE_SINGLETON_INSTANCE(audio_device_manager)

core/audio/device/dummy_audio_device.cpp

@@ -1 +0,0 @@
-#include "dummy_audio_device.h"

core/audio/device/dummy_audio_device.h

@@ -1,12 +0,0 @@
-#pragma once
-#include "audio_device.h"
-
-class dummy_audio_device : public audio_device {
-public:
-    bool init() override { return true; }
-    void destroy() override {}
-
-protected:
-    bool on_set_buffer_size(uint32_t in_buffer_size) override { return true; }
-    bool on_set_sample_rate(double in_sample_rate) override { return true; }
-};

core/audio/device/port_audio_device.cpp

@@ -1,144 +0,0 @@
-#include "port_audio_device.h"
-
-#include "audio/mixer/mixer.h"
-#include "audio/mixer/mixer_track.h"
-#include "audio/plugin_host/midi_sequencer.h"
-#include "audio/plugin_host/plugin_host_manager.h"
-#include "thread_message/thread_message_hubs.h"
-
-int port_audio_callback(const void* Input, void* Output, unsigned long FrameCount, const PaStreamCallbackTimeInfo* TimeInfo, PaStreamCallbackFlags StatusFlags, void* UserData)
-{
-    auto* API = static_cast<port_audio_device*>(UserData);
-    return API->stream_callback((float**)Input, static_cast<float**>(Output), FrameCount, TimeInfo, StatusFlags);
-}
-
-port_audio_device::~port_audio_device() {
-    port_audio_device::destroy();
-    stop();
-}
-
-bool port_audio_device::init() {
-    Pa_Initialize();
-    return true;
-}
-
-void port_audio_device::destroy() {
-    stop();
-    Pa_Terminate();
-}
-
-void port_audio_device::stop() {
-    Pa_StopStream(stream_);
-    Pa_CloseStream(stream_);
-    stream_ = nullptr;
-    stop_render_thread();
-    spdlog::info("port_audio stopped");
-}
-
-void port_audio_device::start() {
-    try {
-        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());
-    }
-}
-
-void port_audio_device::open_stream(PaDeviceIndex input_device, PaDeviceIndex output_device, double in_sample_rate, uint32_t in_buffer_size) {
-    const PaStreamParameters* input_params = nullptr;
-    if (input_device >= 0) {
-        input_params_.device = input_device;
-        input_params_.channelCount = 2;
-        input_params_.sampleFormat = paFloat32 | paNonInterleaved;
-        input_params_.suggestedLatency = Pa_GetDeviceInfo(input_device)->defaultLowInputLatency;
-        input_params_.hostApiSpecificStreamInfo = nullptr;
-        input_params = &input_params_;
-    }
-
-    output_params_.device = output_device;
-    output_params_.channelCount = 2;
-    output_params_.sampleFormat = paFloat32 | paNonInterleaved;
-    output_params_.suggestedLatency = Pa_GetDeviceInfo(output_device)->defaultLowOutputLatency;
-    output_params_.hostApiSpecificStreamInfo = nullptr;
-    PaError err = Pa_OpenStream(&stream_, input_params, &output_params_, in_sample_rate, in_buffer_size, paClipOff, port_audio_callback, this);
-    if (err != paNoError) {
-        throw std::runtime_error(Pa_GetErrorText(err));
-    }
-    err = Pa_StartStream(stream_);
-    if (err != paNoError) {
-        throw std::runtime_error(Pa_GetErrorText(err));
-    }
-    start_render_thread();
-}
-
-int port_audio_device::stream_callback(float** input, float** output, unsigned long frame_count,
-    const PaStreamCallbackTimeInfo* time_info, PaStreamCallbackFlags status_flags) {
-    if (render_buffer_.Num() < frame_count * output_params_.channelCount)
-        return paContinue;
-    for (int i = 0; i < output_params_.channelCount; ++i) {
-        render_buffer_.Pop(output[i], frame_count);
-    }
-    return paContinue;
-}
-
-bool port_audio_device::on_set_buffer_size(uint32_t in_buffer_size) {
-    stop();
-    render_buffer_size_ = in_buffer_size * 4;
-    try {
-        open_stream(input_params_.device, output_params_.device, sample_rate(), in_buffer_size);
-    } catch (const std::exception& e) {
-        spdlog::error("Set buffer size failed: {}", e.what());
-        return false;
-    }
-    return true;
-}
-
-bool port_audio_device::on_set_sample_rate(double in_sample_rate) {
-    stop();
-    try {
-        open_stream(input_params_.device, output_params_.device, in_sample_rate, buffer_size());
-    } catch (const std::exception& e) {
-        spdlog::error("Set sample rate failed: {}", e.what());
-        return false;
-    }
-    return true;
-}
-
-void port_audio_device::start_render_thread() {
-    render_thread_ = std::thread(&port_audio_device::render_thread, this);
-    render_thread_.detach();
-}
-
-void port_audio_device::stop_render_thread() {
-    if (render_thread_.joinable())
-        render_thread_.join();
-}
-
-void port_audio_device::render_thread() {
-    dummy_track* master = g_mixer.get_master();
-    spdlog::info("port_audio render thread started");
-    render_buffer_.SetCapacity(buffer_size() * 4);
-    while (stream_) {
-        const uint32_t frames = buffer_size();
-        const double rate = sample_rate();
-
-        const uint32_t milliseconds = 1.f / (rate / (frames / 4)) * 1000;
-
-        g_audio_thread_hub.process_messages();
-        if (render_buffer_.Num() >= render_buffer_size_) {
-            std::this_thread::sleep_for(std::chrono::milliseconds(milliseconds));
-            continue;
-        }
-        g_midi_sequencer.process(rate, frames);
-        g_mixer.reset();
-        g_plugin_host_manager.process(frames);
-        g_mixer.process(frames);
-
-        const auto& master_headers = master->buffer.get_headers_vector();
-        for (const auto element: master_headers) {
-            render_buffer_.Push(element, frames);
-        }
-    }
-    spdlog::info("port_audio render thread stopped");
-}

core/audio/device/port_audio_device.h

@@ -1,37 +0,0 @@
-#pragma once
-#include "audio_device.h"
-
-#include "portaudio.h"
-#include "audio/misc/circular_audio_buffer.h"
-
-class port_audio_device : public audio_device {
-public:
-    ~port_audio_device() override;
-    bool init() override;
-    void destroy() override;
-
-    void stop();
-
-    void start();
-    void open_stream(PaDeviceIndex input_device, PaDeviceIndex output_device, double in_sample_rate, uint32_t in_buffer_size);
-
-    int stream_callback(float** input, float** output, unsigned long frame_count, const PaStreamCallbackTimeInfo* time_info, PaStreamCallbackFlags status_flags);
-protected:
-    bool on_set_buffer_size(uint32_t in_buffer_size) override;
-    bool on_set_sample_rate(double in_sample_rate) override;
-private:
-
-#pragma region render_thread
-    void start_render_thread();
-    void stop_render_thread();
-    void render_thread();
-    std::thread render_thread_;
-    circular_audio_buffer<float> render_buffer_;
-    uint32_t render_buffer_size_ = 512;
-    std::atomic_bool render_thread_running_ = false;
-#pragma endregion
-
-    PaStreamParameters input_params_ = {};
-    PaStreamParameters output_params_ = {};
-    PaStream* stream_ = nullptr;
-};

core/audio/mixer/mixer.cpp

@@ -9,10 +9,10 @@
 #include "thread_message/thread_message_hubs.h"
 #include "taskflow/taskflow.hpp"
 
-void build_effect_channel_interface(mixer_track* track, const channel_interface* interface, std::map<mixer_track*, int32_t>& processed_tracks) {
+void build_effect_channel_interface(mixer_track* track, const channel_interface* in_interface, std::map<mixer_track*, int32_t>& processed_tracks) {
         int32_t& track_current_layer = processed_tracks[track];
-        auto& input_channel_nodes = interface->input_channel_nodes;
-        auto& output_channel_nodes = interface->output_channel_nodes;
+        auto& input_channel_nodes = in_interface->input_channel_nodes;
+        auto& output_channel_nodes = in_interface->output_channel_nodes;
         // 如果这个效果器需要从其他轨道输入，那么目标轨道的深度就是这个轨道的深度+1
         for (int i = 1; i < input_channel_nodes.size(); ++i)
         {

core/extern.h

@@ -1,11 +1,12 @@
 #pragma once
 #include "spdlog/spdlog.h"
 
-#ifdef core_EXPORTS
-#define CORE_API __declspec(dllexport)
-#else
-#define CORE_API __declspec(dllimport)
-#endif
+#define CORE_API
+// #ifdef core_EXPORTS
+// #define CORE_API __declspec(dllexport)
+// #else
+// #define CORE_API __declspec(dllimport)
+// #endif
 
 #if defined(_DEBUG) || defined(DEBUG)
 #define checkf(expr, msg, ...) if (!(expr)) { spdlog::error(msg, __VA_ARGS__); throw std::runtime_error(fmt::format(msg, __VA_ARGS__)); }

third_party/portaudio

@@ -1 +0,0 @@
-Subproject commit daaf637f6f9fce670031221abfd7dfde92e5cce3

third_party/rtaudio

@@ -0,0 +1 @@
+Subproject commit cb03db3c7e474c843444631e842468d5b258d095

third_party/taskflow

@@ -1 +1 @@
-Subproject commit a8434d095ff60c53583646e80b6c57c688ee2a4f
+Subproject commit 10dfa7920d1a786099a92614c4183f6339975728