quercus-core 0.5.2

Rust value types mirroring quercuscore (Rational, TimeRange, format enums) (internal; do not depend directly)
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//! **Internal implementation detail — do not depend on this crate directly.**
//!
//! It is published only for `quercus-engine`'s dependency graph. Its API is
//! not stable and may change without notice. Use `quercus-engine-rs`, or the
//! C ABI via `quercus-engine`, instead.

// Quercus Video Editor - Non-Linear Video Editor
// Copyright (C) 2026 Quercus Team
//
// 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 <http://www.gnu.org/licenses/>.

//! quercuscore-rs: Rust value types mirroring the quercuscore C++ library.
//!
//! Bit-exact behavioral compatibility with `olive::core` is the design
//! constraint; see README.md.

#![warn(missing_docs)]

pub mod cancelatom;
pub mod colormath;
pub mod colortransform;
pub mod commandlineparser;
pub mod commonutil;
pub mod configstore;
pub mod debug;
pub mod displayicc;
pub mod error;
pub mod ffmpegutils;
pub mod filefunctions;
pub mod miscutils;
pub mod ocioutils;
pub mod oiioutils;
pub mod qtutils;
pub mod subtitleparams;
pub mod videoparams;
pub mod xmlutils;

/// Test-only helpers shared across unit-test modules.
///
/// Several domain test modules (e.g. `configstore`, `filefunctions`) mutate
/// process-global state — notably the `QUERCUS_CONFIG_DIR` environment variable
/// and shared temp paths — while exercising configuration-location logic.
/// Rust runs tests in parallel, so all such tests must serialize on a single
/// process-wide lock to avoid racing each other across module boundaries.
#[cfg(test)]
#[doc(hidden)]
pub mod test_support {
    use std::sync::Mutex;

    static ENV_LOCK: Mutex<()> = Mutex::new(());

    /// Process-wide lock guarding tests that mutate global config/env state.
    ///
    /// Hold this for the duration of any test (or helper) that sets/removes
    /// `QUERCUS_CONFIG_DIR` or touches the shared configuration temp path.
    pub fn env_lock() -> &'static Mutex<()> {
        &ENV_LOCK
    }
}

mod rational;
mod samplefmt;
mod timerange;

/// Shared ABI value-handle type (see [`handle::CHandle`]).
pub mod handle;
pub mod color;
pub mod texture;
pub mod frame;
pub mod backend;
pub mod lut;

pub use handle::CHandle;
pub use rational::Rational;
pub use samplefmt::{PixelFormat, SampleFormat};

/// The wgpu generation the engine and the UI share (M2/M5). Re-exported
/// so consumers of the external-import API can name texture formats
/// without another dependency on the same major version.
pub use wgpu;
pub use timerange::{TimeRange, TimeRangeList};