Mike-Solar
013a175707
Single mechanical restructure commit: - root Cargo.toml = oakapp bin + workspace; one cargo build produces oakapp, oak-cli, oak-worker, liboakengine.dylib - app/rust/src -> src/ (app at repo root, no rust/ nesting) - src/<mod>/rust -> crates/oak<mod>; src/oakcore-rs -> crates/oakcore; src/bindings/oakotio -> crates/oakotio; src/engine/rust -> crates/oakengine (keeps cdylib+staticlib+rlib) - public C headers include/<mod>/ -> crates/oakengine/include/<mod>/ - OFX SDK headers vendored into crates/oakplugin/ofx/ (HostSupport gone) - legacy deleted: old src/ C++ modules, engine/, core/, ffmpeg_bridge/, app/ (Qt), cli/worker C++, root CMakeLists, third_party/KDDockWidgets submodule, otio-install, all build-* output (~40GB) - oakstorage kept but excluded from the workspace (skeleton w/ todos); gpui excluded (own workspace) - verified: cargo build green, cargo test --workspace 1845/0 (with the documented OCIO_RS_* env override for the homebrew OCIO)
77 lines
2.5 KiB
Rust
77 lines
2.5 KiB
Rust
// Oak Video Editor - Non-Linear Video Editor
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// Copyright (C) 2026 Oak Team
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//! C ABI imports from other oak modules.
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//!
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//! ## Resolution model
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//!
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//! Symbols are resolved at runtime with `dlsym(RTLD_DEFAULT)` (the
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//! module is force-loaded into the host process, so the real module
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//! libraries' symbols are in the global scope). `cargo test` builds
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//! without those libraries: a missing symbol surfaces as `None` from
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//! the wrapper and the caller maps it to a graceful error. This follows
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//! the oakplugin crate template (`src/plugin/rust/src/bridge/mod.rs`).
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//!
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//! Real linkage for the module dylib is provided by the C++ side's
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//! force_load of liboaknode (the staticlib); nothing here is linked
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//! directly at compile time.
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pub mod codec;
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pub mod common;
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pub mod core;
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pub mod render;
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pub mod timeline;
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pub mod undo;
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/// Shared dlsym runtime resolution (pub for crate tests).
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pub mod dlsym {
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use std::ffi::{c_char, c_void};
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/// RTLD_DEFAULT (macOS: -2; Linux: 0).
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#[cfg(target_os = "macos")]
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pub(crate) const RTLD_DEFAULT: *mut c_void = -2isize as *mut c_void;
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#[cfg(target_os = "linux")]
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pub(crate) const RTLD_DEFAULT: *mut c_void = 0isize as *mut c_void;
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extern "C" {
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fn dlsym(handle: *mut c_void, symbol: *const c_char) -> *mut c_void;
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}
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/// Resolve a global-scope symbol; `None` when missing.
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pub fn resolve(name: &str) -> Option<*mut c_void> {
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let c = std::ffi::CString::new(name).ok()?;
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let p = unsafe { dlsym(RTLD_DEFAULT, c.as_ptr()) };
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if p.is_null() {
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None
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} else {
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Some(p)
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}
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}
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/// Resolve and call by signature; `None` when the symbol is missing.
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///
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/// # Safety
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/// The caller guarantees `T` matches the symbol's real function type.
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pub(crate) fn call<T, R>(name: &str, f: impl FnOnce(T) -> R) -> Option<R>
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where
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T: Copy,
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{
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let p = resolve(name)?;
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let f_ptr: T = unsafe { std::mem::transmute_copy(&p) };
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Some(f(f_ptr))
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}
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}
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