309 lines
6.9 KiB
Markdown
309 lines
6.9 KiB
Markdown
# 构建指南
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本文档介绍如何在 Windows、Linux 和 macOS 上从源码构建 Oak Video Editor。
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## 依赖
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- CMake 3.20+
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- Ninja（推荐）
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- Qt 6（含私有头文件）
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- FFmpeg 8.0+ 开发库（Ubuntu/Debian 系统源里的版本通常太旧，见下文 Linux 章节）
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- OpenImageIO
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- OpenColorIO（2.x）
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- OpenEXR
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- Expat
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- PortAudio
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- OpenGL 头文件
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- Vulkan SDK（可选，Vulkan 渲染后端需要）
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- XKB common（Linux）
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---
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## Windows（MSYS2）
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本指南使用 [MSYS2](https://www.msys2.org/) 的 UCRT64 工具链。
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### 1. 安装 MSYS2
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从 [https://www.msys2.org/](https://www.msys2.org/) 下载并安装 MSYS2，然后打开 **MSYS2 UCRT64** 终端。
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### 2. 安装依赖
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```bash
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pacman -Syu
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pacman -S --needed \
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mingw-w64-ucrt-x86_64-cmake \
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mingw-w64-ucrt-x86_64-ninja \
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mingw-w64-ucrt-x86_64-qt6-base \
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mingw-w64-ucrt-x86_64-qt6-tools \
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mingw-w64-ucrt-x86_64-ffmpeg \
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mingw-w64-ucrt-x86_64-openimageio \
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mingw-w64-ucrt-x86_64-opencolorio \
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mingw-w64-ucrt-x86_64-openexr \
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mingw-w64-ucrt-x86_64-fmt \
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mingw-w64-ucrt-x86_64-expat \
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mingw-w64-ucrt-x86_64-portaudio \
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mingw-w64-ucrt-x86_64-vulkan-headers \
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mingw-w64-ucrt-x86_64-vulkan-loader \
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mingw-w64-ucrt-x86_64-gcc
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```
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> **注意：** Qt 6 私有头文件可能需要额外安装。如果 CMake 报告找不到私有头文件，请尝试安装 `mingw-w64-ucrt-x86_64-qt6-base-private`（如果仓库中有）。
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### 3. 克隆并构建
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```bash
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# 克隆仓库
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git clone --recursive https://github.com/OakVideoEditorCommunity/oak.git
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cd oak
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# 配置
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cmake -S . -B build -G Ninja \
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-DCMAKE_BUILD_TYPE=Release \
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-DBUILD_QT6=ON
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# 构建
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cmake --build build --config Release
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```
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### 4. 运行测试（可选）
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```bash
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ctest --test-dir build --output-on-failure -C Release
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```
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---
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## Linux
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### Debian / Ubuntu
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安装依赖：
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```bash
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sudo apt-get update
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sudo apt-get install -y \
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cmake ninja-build pkg-config nasm \
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qt6-base-dev qt6-base-dev-tools qt6-base-private-dev qt6-tools-dev qt6-tools-dev-tools \
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libopencolorio-dev libopenimageio-dev libopenexr-dev libexpat1-dev \
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portaudio19-dev libgl1-mesa-dev libvulkan-dev libxkbcommon-dev
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```
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从源码编译 FFmpeg 8.0+：
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```bash
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git clone --branch n8.1.1 --depth 1 https://git.ffmpeg.org/ffmpeg.git ffmpeg-src
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cd ffmpeg-src
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./configure \
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--prefix="$PWD/../ffmpeg-install" \
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--enable-static \
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--disable-shared \
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--disable-doc \
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--disable-programs \
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--disable-avdevice \
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--disable-network \
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--enable-pic \
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--enable-gpl \
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--enable-version3
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make -j$(nproc)
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make install
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cd ..
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```
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配置并构建：
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```bash
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cmake -S . -B build -G Ninja \
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-DBUILD_TESTS=ON -DBUILD_QT6=ON \
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-DFFMPEG_ROOT="$PWD/ffmpeg-install"
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cmake --build build --config Release
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```
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运行测试：
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```bash
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ctest --test-dir build --output-on-failure -C Release
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```
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### Fedora
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安装依赖：
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```bash
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sudo dnf install -y \
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cmake ninja-build pkgconf-pkg-config \
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qt6-qtbase-devel qt6-qtbase-private-devel qt6-qttools-devel \
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ffmpeg-free-devel \
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OpenImageIO-devel \
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OpenColorIO-devel \
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openexr-devel \
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expat-devel \
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portaudio-devel \
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mesa-libGL-devel \
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vulkan-headers \
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vulkan-loader-devel \
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libxkbcommon-devel \
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gcc-c++ \
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bzip2-devel
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```
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配置并构建：
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```bash
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cmake -S . -B build -G Ninja -DBUILD_TESTS=ON -DBUILD_QT6=ON
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cmake --build build --config Release
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```
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运行测试：
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```bash
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ctest --test-dir build --output-on-failure -C Release
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```
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### Arch Linux
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安装依赖：
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```bash
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sudo pacman -Syu
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sudo pacman -S --needed \
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cmake ninja pkgconf \
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qt6-base qt6-tools \
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ffmpeg \
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openimageio \
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opencolorio \
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openexr \
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expat \
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portaudio \
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mesa \
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vulkan-headers \
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vulkan-icd-loader \
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libxkbcommon \
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fmt \
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gcc
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```
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> **注意：** Arch Linux 的 `qt6-base` 包已经包含私有头文件。
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配置并构建：
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```bash
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cmake -S . -B build -G Ninja -DBUILD_TESTS=ON -DBUILD_QT6=ON
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cmake --build build --config Release
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```
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运行测试：
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```bash
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ctest --test-dir build --output-on-failure -C Release
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```
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---
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## macOS
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macOS 现在是正式支持的平台。更详细的逐步指南请参见 [`build_macos-zh.md`](build_macos-zh.md)。
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安装依赖：
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```bash
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brew update
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brew install cmake ninja pkg-config qt@6 ffmpeg openimageio opencolorio openexr portaudio expat molten-vk vulkan-headers vulkan-loader
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```
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构建 OpenTimelineIO（可选，如需 OTIO 支持）：
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```bash
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git clone --depth 1 --branch v0.16.0 https://github.com/PixarAnimationStudios/OpenTimelineIO.git
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cmake -S OpenTimelineIO -B OpenTimelineIO/build -G Ninja \
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-DOTIO_SHARED_LIBS=ON \
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-DOTIO_PYTHON_BINDINGS=OFF \
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-DCMAKE_BUILD_TYPE=Release \
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-DCMAKE_INSTALL_PREFIX="${PWD}/otio-install"
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cmake --build OpenTimelineIO/build
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cmake --install OpenTimelineIO/build
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```
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配置并构建：
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```bash
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export PATH="$(brew --prefix qt@6)/bin:$PATH"
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export CMAKE_PREFIX_PATH="$(brew --prefix qt@6)"
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export OTIO_LOCATION="${PWD}/otio-install"
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export OCIO_LOCATION="$(brew --prefix opencolorio)"
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# 让 CMake 的 FindVulkan 找到 Homebrew 的 Vulkan loader（可选，
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# 启用 Vulkan 渲染后端）
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export VULKAN_SDK="$(brew --prefix vulkan-loader)"
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cmake -S . -B build -G Ninja -DBUILD_TESTS=ON -DBUILD_QT6=ON \
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-DOTIO_LOCATION="${OTIO_LOCATION}" \
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-DOCIO_LOCATION="${OCIO_LOCATION}"
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cmake --build build --config Release
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```
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运行测试：
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```bash
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ctest --test-dir build --output-on-failure -C Release
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```
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---
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## 构建选项
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| 选项 | 默认值 | 说明 |
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|------|--------|------|
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| `BUILD_TESTS` | `OFF` | 构建单元测试 |
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| `BUILD_DOXYGEN` | `OFF` | 构建 Doxygen 文档 |
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| `USE_WERROR` | `OFF` | 将警告视为错误 |
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| `BUILD_QT6` | `ON` | 使用 Qt 6 而非 Qt 5 |
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| `OTIO_LOCATION` | - | OpenTimelineIO 安装路径（可选） |
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| `OCIO_LOCATION` | - | OpenColorIO 安装路径 |
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| `OAK_ENABLE_DYNAMIC_RENDER_BACKEND` | `ON` | 构建动态渲染后端库（`liboakgl.so` / `liboakvulkan.so`） |
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---
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## 故障排除
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### 找不到 Qt 6
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确保 Qt 6 在 PATH 和 CMake prefix path 中：
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```bash
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# Linux / macOS
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export PATH="/path/to/qt6/bin:$PATH"
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export CMAKE_PREFIX_PATH="/path/to/qt6"
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# Windows（MSYS2）
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export PATH="/ucrt64/bin:$PATH"
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```
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### 缺少私有头文件
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如果看到缺少 Qt 私有头文件的错误，请安装对应发行版的私有开发包（例如 Debian/Ubuntu 上的 `qt6-base-private-dev`，Fedora 上的 `qt6-qtbase-private-devel`）。
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### FFmpeg 版本太旧
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如果遇到 `AV_PIX_FMT_GRAYF16 was not declared in this scope` 之类的错误，说明你的 FFmpeg 版本太旧（Oak 需要 8.0+）。请从源码编译：
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```bash
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git clone --branch n8.1.1 --depth 1 https://git.ffmpeg.org/ffmpeg.git ffmpeg-src
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cd ffmpeg-src
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./configure \
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--prefix="$PWD/../ffmpeg-install" \
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--enable-static \
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--disable-shared \
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--disable-doc \
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--disable-programs \
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--disable-avdevice \
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--disable-network \
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--enable-pic \
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--enable-gpl \
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--enable-version3
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make -j$(nproc)
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make install
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cd ..
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```
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然后在 CMake 中加上 `-DFFMPEG_ROOT="$PWD/ffmpeg-install"`。
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