Split serialization.h into common and VST2 parts

This commit is contained in:
Robbert van der Helm
2020-11-29 13:29:01 +01:00
parent 6317ca1455
commit 9c8b543d5d
5 changed files with 97 additions and 75 deletions
+2 -1
View File
@@ -16,10 +16,11 @@
#pragma once
#include <memory>
#include <optional>
#include <ostream>
#include "serialization.h"
#include "serialization/vst2.h"
/**
* Super basic logging facility meant for debugging malfunctioning VST
+90
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@@ -0,0 +1,90 @@
// yabridge: a Wine VST bridge
// Copyright (C) 2020 Robbert van der Helm
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
#pragma once
#include <bitsery/traits/string.h>
#include <cstddef>
#include <cstdint>
#include <type_traits>
// The plugin should always be compiled to a 64-bit version, but the host
// application can also be 32-bit to allow using 32-bit legacy Windows VST in a
// modern Linux VST host. Because of this we have to make sure to always use
// 64-bit integers in places where we would otherwise use `size_t` and
// `intptr_t`. Otherwise the binary serialization would break. The 64 <-> 32 bit
// conversion for the 32-bit host application won't cause any issues for us
// since we can't directly pass pointers between the plugin and the host anyway.
#ifndef __WINE__
// Sanity check for the plugin, both the 64 and 32 bit hosts should follow these
// conventions
static_assert(std::is_same_v<size_t, uint64_t>);
static_assert(std::is_same_v<intptr_t, int64_t>);
#endif
using native_size_t = uint64_t;
using native_intptr_t = int64_t;
// The cannonical overloading template for `std::visitor`, not sure why this
// isn't part of the standard library
template <class... Ts>
struct overload : Ts... {
using Ts::operator()...;
};
template <class... Ts>
overload(Ts...) -> overload<Ts...>;
/**
* An object containing the startup options for hosting a plugin in a plugin
* group process. These are the exact same options that would have been passed
* to `yabridge-host.exe` were the plugin to be hosted individually.
*/
struct GroupRequest {
std::string plugin_path;
std::string endpoint_base_dir;
template <typename S>
void serialize(S& s) {
s.text1b(plugin_path, 4096);
s.text1b(endpoint_base_dir, 4096);
}
};
template <>
struct std::hash<GroupRequest> {
std::size_t operator()(GroupRequest const& params) const noexcept {
std::hash<string> hasher{};
return hasher(params.plugin_path) ^
(hasher(params.endpoint_base_dir) << 1);
}
};
/**
* The response sent back after the group host process receives a `GroupRequest`
* object. This only holds the group process's PID because we need to know if
* the group process crashes while it is initializing the plugin to prevent us
* from waiting indefinitely for the socket to be connected to.
*/
struct GroupResponse {
pid_t pid;
template <typename S>
void serialize(S& s) {
s.value4b(pid);
}
};
@@ -14,7 +14,7 @@
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
#include "serialization.h"
#include "vst2.h"
DynamicVstEvents::DynamicVstEvents(const VstEvents& c_events)
: events(c_events.numEvents) {
@@ -16,18 +16,16 @@
#pragma once
#include <bitsery/adapter/buffer.h>
#include <bitsery/ext/pointer.h>
#include <bitsery/ext/std_optional.h>
#include <bitsery/ext/std_variant.h>
#include <bitsery/traits/array.h>
#include <bitsery/traits/string.h>
#include <bitsery/traits/vector.h>
#include <vestige/aeffectx.h>
#include <variant>
#include "vst24.h"
#include "../vst24.h"
#include "common.h"
// These constants are limits used by bitsery
@@ -60,32 +58,6 @@ constexpr size_t max_midi_events = max_buffer_size / sizeof(size_t);
*/
constexpr size_t binary_buffer_size = 50 << 20;
// The plugin should always be compiled to a 64-bit version, but the host
// application can also be 32-bit to allow using 32-bit legacy Windows VST in a
// modern Linux VST host. Because of this we have to make sure to always use
// 64-bit integers in places where we would otherwise use `size_t` and
// `intptr_t`. Otherwise the binary serialization would break. The 64 <-> 32 bit
// conversion for the 32-bit host application won't cause any issues for us
// since we can't directly pass pointers between the plugin and the host anyway.
#ifndef __WINE__
// Sanity check for the plugin, both the 64 and 32 bit hosts should follow these
// conventions
static_assert(std::is_same_v<size_t, uint64_t>);
static_assert(std::is_same_v<intptr_t, int64_t>);
#endif
using native_size_t = uint64_t;
using native_intptr_t = int64_t;
// The cannonical overloading template for `std::visitor`, not sure why this
// isn't part of the standard library
template <class... Ts>
struct overload : Ts... {
using Ts::operator()...;
};
template <class... Ts>
overload(Ts...) -> overload<Ts...>;
/**
* Update an `AEffect` object, copying values from `updated_plugin` to `plugin`.
* This will copy all flags and regular values, leaving all pointers in `plugin`
@@ -601,44 +573,3 @@ struct AudioBuffers {
s.value4b(sample_frames);
}
};
/**
* An object containing the startup options for hosting a plugin in a plugin
* group process. These are the exact same options that would have been passed
* to `yabridge-host.exe` were the plugin to be hosted individually.
*/
struct GroupRequest {
std::string plugin_path;
std::string endpoint_base_dir;
template <typename S>
void serialize(S& s) {
s.text1b(plugin_path, 4096);
s.text1b(endpoint_base_dir, 4096);
}
};
template <>
struct std::hash<GroupRequest> {
std::size_t operator()(GroupRequest const& params) const noexcept {
std::hash<string> hasher{};
return hasher(params.plugin_path) ^
(hasher(params.endpoint_base_dir) << 1);
}
};
/**
* The response sent back after the group host process receives a `GroupRequest`
* object. This only holds the group process's PID because we need to know if
* the group process crashes while it is initializing the plugin to prevent us
* from waiting indefinitely for the socket to be connected to.
*/
struct GroupResponse {
pid_t pid;
template <typename S>
void serialize(S& s) {
s.value4b(pid);
}
};