very, very simple WP with midi CC out

2024-10-09 02:01:23 +02:00
commit 3d6fc151f1
126 changed files with 19539 additions and 0 deletions
@@ -0,0 +1,169 @@
+#pragma once
+
+#include <libremidi/backends/linux/dylib_loader.hpp>
+
+#include <pipewire/pipewire.h>
+
+namespace libremidi
+{
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+class libpipewire
+{
+public:
+  decltype(&::pw_init) init{};
+  decltype(&::pw_deinit) deinit{};
+
+  decltype(&::pw_context_new) context_new{};
+  decltype(&::pw_context_connect) context_connect{};
+  decltype(&::pw_context_destroy) context_destroy{};
+
+  decltype(&::pw_core_disconnect) core_disconnect{};
+
+  decltype(&::pw_proxy_add_listener) proxy_add_listener{};
+  decltype(&::pw_proxy_destroy) proxy_destroy{};
+
+  decltype(&::pw_main_loop_new) main_loop_new{};
+  decltype(&::pw_main_loop_destroy) main_loop_destroy{};
+  decltype(&::pw_main_loop_quit) main_loop_quit{};
+  decltype(&::pw_main_loop_run) main_loop_run{};
+  decltype(&::pw_main_loop_get_loop) main_loop_get_loop{};
+  /*
+  decltype(&::pw_thread_loop_new) thread_loop_new{};
+  decltype(&::pw_thread_loop_destroy) thread_loop_destroy{};
+  decltype(&::pw_thread_loop_wait) thread_loop_wait{};
+  decltype(&::pw_thread_loop_start) thread_loop_start{};
+  decltype(&::pw_thread_loop_stop) thread_loop_stop;
+  decltype(&::pw_thread_loop_lock) thread_loop_lock{};
+  decltype(&::pw_thread_loop_unlock) thread_loop_unlock;
+  decltype(&::pw_thread_loop_get_loop) thread_loop_get_loop{};
+*/
+  decltype(&::pw_properties_new) properties_new{};
+  decltype(&::pw_properties_free) properties_free{};
+  decltype(&::pw_properties_get) properties_get{};
+
+  decltype(&::pw_filter_new_simple) filter_new_simple{};
+  decltype(&::pw_filter_get_node_id) filter_get_node_id{};
+  decltype(&::pw_filter_get_properties) filter_get_properties{};
+  decltype(&::pw_filter_add_port) filter_add_port{};
+  decltype(&::pw_filter_remove_port) filter_remove_port{};
+  decltype(&::pw_filter_update_properties) filter_update_properties{};
+  decltype(&::pw_filter_update_params) filter_update_params{};
+  decltype(&::pw_filter_get_time) filter_get_time{};
+  decltype(&::pw_filter_destroy) filter_destroy{};
+  decltype(&::pw_filter_connect) filter_connect{};
+  decltype(&::pw_filter_get_dsp_buffer) filter_get_dsp_buffer{};
+  decltype(&::pw_filter_queue_buffer) filter_queue_buffer{};
+  decltype(&::pw_filter_dequeue_buffer) filter_dequeue_buffer{};
+  decltype(&::pw_filter_flush) filter_flush{};
+
+  static const libpipewire& instance()
+  {
+    static const libpipewire self;
+    return self;
+  }
+
+  bool available{true};
+
+private:
+  dylib_loader library;
+
+  libpipewire()
+      : library("libpipewire-0.3.so.0")
+  {
+    if (!library)
+    {
+      available = false;
+      return;
+    }
+
+    // in terms of regex:
+    // decltype\(&::([a-z_]+)\) [a-z_]+{};
+    // \1 = library.symbol<decltype(&::\1)>("\1");
+    init = library.symbol<decltype(&::pw_init)>("pw_init");
+    deinit = library.symbol<decltype(&::pw_deinit)>("pw_deinit");
+
+    context_new = library.symbol<decltype(&::pw_context_new)>("pw_context_new");
+    context_connect = library.symbol<decltype(&::pw_context_connect)>("pw_context_connect");
+    context_destroy = library.symbol<decltype(&::pw_context_destroy)>("pw_context_destroy");
+
+    core_disconnect = library.symbol<decltype(&::pw_core_disconnect)>("pw_core_disconnect");
+
+    proxy_add_listener
+        = library.symbol<decltype(&::pw_proxy_add_listener)>("pw_proxy_add_listener");
+    proxy_destroy = library.symbol<decltype(&::pw_proxy_destroy)>("pw_proxy_destroy");
+
+    main_loop_new = library.symbol<decltype(&::pw_main_loop_new)>("pw_main_loop_new");
+    main_loop_destroy = library.symbol<decltype(&::pw_main_loop_destroy)>("pw_main_loop_destroy");
+    main_loop_quit = library.symbol<decltype(&::pw_main_loop_quit)>("pw_main_loop_quit");
+    main_loop_run = library.symbol<decltype(&::pw_main_loop_run)>("pw_main_loop_run");
+    main_loop_get_loop
+        = library.symbol<decltype(&::pw_main_loop_get_loop)>("pw_main_loop_get_loop");
+
+    properties_new = library.symbol<decltype(&::pw_properties_new)>("pw_properties_new");
+    properties_free = library.symbol<decltype(&::pw_properties_free)>("pw_properties_free");
+    properties_get = library.symbol<decltype(&::pw_properties_get)>("pw_properties_get");
+
+    filter_new_simple = library.symbol<decltype(&::pw_filter_new_simple)>("pw_filter_new_simple");
+    filter_get_node_id
+        = library.symbol<decltype(&::pw_filter_get_node_id)>("pw_filter_get_node_id");
+    filter_get_properties
+        = library.symbol<decltype(&::pw_filter_get_properties)>("pw_filter_get_properties");
+    filter_add_port = library.symbol<decltype(&::pw_filter_add_port)>("pw_filter_add_port");
+    filter_remove_port
+        = library.symbol<decltype(&::pw_filter_remove_port)>("pw_filter_remove_port");
+    filter_update_properties
+        = library.symbol<decltype(&::pw_filter_update_properties)>("pw_filter_update_properties");
+    filter_update_params
+        = library.symbol<decltype(&::pw_filter_update_params)>("pw_filter_update_params");
+    filter_get_time = library.symbol<decltype(&::pw_filter_get_time)>("pw_filter_get_time");
+    filter_destroy = library.symbol<decltype(&::pw_filter_destroy)>("pw_filter_destroy");
+    filter_connect = library.symbol<decltype(&::pw_filter_connect)>("pw_filter_connect");
+    filter_get_dsp_buffer
+        = library.symbol<decltype(&::pw_filter_get_dsp_buffer)>("pw_filter_get_dsp_buffer");
+    filter_dequeue_buffer
+        = library.symbol<decltype(&::pw_filter_dequeue_buffer)>("pw_filter_dequeue_buffer");
+    filter_queue_buffer
+        = library.symbol<decltype(&::pw_filter_queue_buffer)>("pw_filter_queue_buffer");
+    filter_flush = library.symbol<decltype(&::pw_filter_flush)>("pw_filter_flush");
+
+    assert(init);
+    assert(deinit);
+
+    assert(context_new);
+    assert(context_connect);
+    assert(context_destroy);
+
+    assert(core_disconnect);
+
+    assert(proxy_destroy);
+
+    assert(main_loop_new);
+    assert(main_loop_destroy);
+    assert(main_loop_quit);
+    assert(main_loop_run);
+    assert(main_loop_get_loop);
+
+    assert(properties_new);
+    assert(properties_free);
+    assert(properties_get);
+
+    assert(filter_new_simple);
+    assert(filter_get_node_id);
+    assert(filter_get_properties);
+    assert(filter_add_port);
+    assert(filter_remove_port);
+    assert(filter_update_properties);
+    assert(filter_update_params);
+    assert(filter_get_time);
+    assert(filter_destroy);
+    assert(filter_connect);
+    assert(filter_get_dsp_buffer);
+    assert(filter_dequeue_buffer);
+    assert(filter_queue_buffer);
+    assert(filter_flush);
+  }
+};
+#pragma GCC diagnostic pop
+}