fix(macos): compile the VideoToolbox import and clean platform warnings
The macOS job finally reached the build (after the vcpkg manifest fix) and hit a macOS-only compile error in the VideoToolbox import: `*ptr as *const T` parses as `(*ptr) as *const T`, so `sw_format` was read off a pointer instead of the AVHWFramesContext. Bind the frames pointer first. Also fix the warnings the cross-check surfaced: the redundant MTLPixelFormat import, and doc comments on an extern block and a thread_local! (rustdoc does not document those). Verified locally with a host-cc wrapper: `cargo check -p oak-core -p oak-codec -p oak-node -p oak-render -p oak-task -p oak-plugin --target aarch64-apple-darwin` is clean. (oak-app itself needs a real Apple toolchain for ring.)
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@@ -252,13 +252,13 @@ mod imp {
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const K_CGL_PFA_COLOR_SIZE: i32 = 8;
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const K_CGL_PFA_ALPHA_SIZE: i32 = 11;
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/// macOS:CGL + OpenGL 的 FFI 声明(直接链接 OpenGL.framework)。
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///
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/// # Safety
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///
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/// 全部是系统 framework 导出函数;指针参数语义见各函数注释。
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/// CGL* 类型用 `*mut c_void` 表示不透明对象指针(CGLContextObj /
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/// CGLPixelFormatObj)。
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// macOS:CGL + OpenGL 的 FFI 声明(直接链接 OpenGL.framework)。
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//
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// # Safety
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//
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// 全部是系统 framework 导出函数;指针参数语义见各函数注释。
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// CGL* 类型用 `*mut c_void` 表示不透明对象指针(CGLContextObj /
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// CGLPixelFormatObj)。
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#[link(name = "OpenGL", kind = "framework")]
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unsafe extern "C" {
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/// 按属性列表选像素格式(成功返回 kCGLNoError=0;`npix` 是
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@@ -406,8 +406,8 @@ mod imp {
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_ctx: Arc<GlContext>,
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}
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/// 当前线程的 acquire 嵌套深度。>0 = 本线程已持外层 guard(上下文
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/// 已 current);嵌套 acquire 只递增深度,不重取锁。
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// 当前线程的 acquire 嵌套深度。>0 = 本线程已持外层 guard(上下文
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// 已 current);嵌套 acquire 只递增深度,不重取锁。
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thread_local! {
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static ACQUIRE_DEPTH: std::cell::Cell<usize> = const { std::cell::Cell::new(0) };
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}
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