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view DPF-Prymula-audioplugins/dpf/distrho/src/travesty/factory.h @ 9:cdadbf30a821
arkanoid-0.7-1_PKG
author | prymula <prymula76@outlook.com> |
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date | Sun, 04 Feb 2024 15:47:05 +0100 |
parents | 84e66ea83026 |
children |
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/* * travesty, pure C VST3-compatible interface * Copyright (C) 2021-2022 Filipe Coelho <falktx@falktx.com> * * Permission to use, copy, modify, and/or distribute this software for any purpose with * or without fee is hereby granted, provided that the above copyright notice and this * permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #pragma once #include "base.h" /** * plugin factory v1 */ struct v3_factory_info { char vendor[64]; char url[256]; char email[128]; int32_t flags; // set to 0x10 (unicode) }; struct v3_class_info { v3_tuid class_id; int32_t cardinality; // set to 0x7FFFFFFF (many instances) char category[32]; char name[64]; }; struct v3_plugin_factory { #ifndef __cplusplus struct v3_funknown; #endif v3_result (V3_API *get_factory_info)(void* self, struct v3_factory_info*); int32_t (V3_API *num_classes)(void* self); v3_result (V3_API *get_class_info)(void* self, int32_t idx, struct v3_class_info*); v3_result (V3_API *create_instance)(void* self, const v3_tuid class_id, const v3_tuid iid, void** instance); }; static constexpr const v3_tuid v3_plugin_factory_iid = V3_ID(0x7A4D811C, 0x52114A1F, 0xAED9D2EE, 0x0B43BF9F); /** * plugin factory v2 */ enum { V3_DISTRIBUTABLE = 1 << 0, V3_SIMPLE_MODE = 1 << 1 }; struct v3_class_info_2 { v3_tuid class_id; int32_t cardinality; // set to 0x7FFFFFFF char category[32]; char name[64]; uint32_t class_flags; char sub_categories[128]; char vendor[64]; char version[64]; char sdk_version[64]; }; struct v3_plugin_factory_2 { #ifndef __cplusplus struct v3_plugin_factory; #endif v3_result (V3_API *get_class_info_2)(void* self, int32_t idx, struct v3_class_info_2*); }; static constexpr const v3_tuid v3_plugin_factory_2_iid = V3_ID(0x0007B650, 0xF24B4C0B, 0xA464EDB9, 0xF00B2ABB); /** * plugin factory v3 * (we got it right this time I swear) * * same as above, but "unicode" (really just utf-16, thanks microsoft!) */ struct v3_class_info_3 { v3_tuid class_id; int32_t cardinality; // set to 0x7FFFFFFF char category[32]; int16_t name[64]; uint32_t class_flags; char sub_categories[128]; int16_t vendor[64]; int16_t version[64]; int16_t sdk_version[64]; }; struct v3_plugin_factory_3 { #ifndef __cplusplus struct v3_plugin_factory_2; #endif v3_result (V3_API *get_class_info_utf16)(void* self, int32_t idx, struct v3_class_info_3*); v3_result (V3_API *set_host_context)(void* self, struct v3_funknown** host); }; static constexpr const v3_tuid v3_plugin_factory_3_iid = V3_ID(0x4555A2AB, 0xC1234E57, 0x9B122910, 0x36878931); #ifdef __cplusplus /** * C++ variants */ struct v3_plugin_factory_cpp : v3_funknown { v3_plugin_factory v1; v3_plugin_factory_2 v2; v3_plugin_factory_3 v3; }; template<> inline constexpr v3_plugin_factory_2* v3_cpp_obj(v3_plugin_factory_2** obj) { /** * this ugly piece of code is required due to C++ assuming `reinterpret_cast` by default, * but we need everything to be `static_cast` for it to be `constexpr` compatible. */ return static_cast<v3_plugin_factory_2*>( static_cast<void*>(static_cast<uint8_t*>(static_cast<void*>(*obj)) + sizeof(void*)*7)); } template<> inline constexpr v3_plugin_factory_3* v3_cpp_obj(v3_plugin_factory_3** obj) { /** * this ugly piece of code is required due to C++ assuming `reinterpret_cast` by default, * but we need everything to be `static_cast` for it to be `constexpr` compatible. */ return static_cast<v3_plugin_factory_3*>( static_cast<void*>(static_cast<uint8_t*>(static_cast<void*>(*obj)) + sizeof(void*)*8)); } #endif