feat: video thumbnail preview

.github/workflows/ci.yml

@@ -34,6 +34,9 @@ jobs:
         with:
           submodules: recursive
 
+      - name: Install system dependencies (macOS only)
+        run: brew install ffmpeg
+
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@stable
         with:
@@ -98,7 +101,30 @@ jobs:
 
     - name: Install system dependencies (Linux only)
       if: runner.os == 'Linux'
-      run: sudo apt-get update && sudo apt-get install -y libfontconfig1-dev
+      run: sudo apt-get update && sudo apt-get install -y libfontconfig1-dev libavcodec-dev libavformat-dev libavutil-dev libswscale-dev libavfilter-dev libavdevice-dev pkg-config
+
+    - name: Install system dependencies (macOS only)
+      if: runner.os == 'macOS'
+      run: brew install ffmpeg
+
+    - name: Cache vcpkg (Windows only)
+      if: runner.os == 'Windows'
+      uses: actions/cache@v4
+      with:
+        path: C:\vcpkg
+        key: ${{ runner.os }}-vcpkg-ffmpeg-v3
+        restore-keys: |
+          ${{ runner.os }}-vcpkg-ffmpeg-
+
+    - name: Install system dependencies (Windows only)
+      if: runner.os == 'Windows'
+      run: |
+        if (-not (Test-Path "C:\vcpkg")) {
+          git clone https://github.com/Microsoft/vcpkg.git C:\vcpkg
+          C:\vcpkg\bootstrap-vcpkg.bat
+        }
+        C:\vcpkg\vcpkg.exe install ffmpeg:x64-windows
+        echo "VCPKG_ROOT=C:\vcpkg" >> $env:GITHUB_ENV
 
     - name: Install Rust toolchain
       uses: dtolnay/rust-toolchain@stable
@@ -108,12 +134,16 @@ jobs:
 
     - name: Run tests (Linux)
       if: runner.os == 'Linux'
+      env:
+        PKG_CONFIG_PATH: /usr/lib/x86_64-linux-gnu/pkgconfig
       run: mold -run cargo test
     - name: Run tests (macOS)
       if: runner.os == 'macOS'
       run: cargo test
     - name: Run tests (Windows)
       if: runner.os == 'Windows'
+      env:
+        VCPKG_ROOT: C:\vcpkg
       # disable terminal on windows
       run: cargo test --no-default-features
 
@@ -131,12 +161,14 @@ jobs:
       uses: dtolnay/rust-toolchain@stable
 
     - name: Install system dependencies (Linux only)
-      run: sudo apt-get update && sudo apt-get install -y libfontconfig1-dev
+      run: sudo apt-get update && sudo apt-get install -y libfontconfig1-dev libavcodec-dev libavformat-dev libavutil-dev libswscale-dev libavfilter-dev libavdevice-dev pkg-config
 
     - name: Cache dependencies
       uses: Swatinem/rust-cache@v2
 
     - name: Build release binary
+      env:
+        PKG_CONFIG_PATH: /usr/lib/x86_64-linux-gnu/pkgconfig
       run: |
         mold -run cargo build --release
         cd target/release
@@ -168,6 +200,9 @@ jobs:
       with:
         submodules: recursive
 
+    - name: Install system dependencies (macOS only)
+      run: brew install ffmpeg
+
     - name: Install Rust toolchain
       uses: dtolnay/rust-toolchain@stable
 
@@ -263,13 +298,33 @@ jobs:
       with:
         submodules: recursive
 
+    - name: Cache vcpkg (Windows only)
+      if: runner.os == 'Windows'
+      uses: actions/cache@v4
+      with:
+        path: C:\vcpkg
+        key: ${{ runner.os }}-vcpkg-ffmpeg-v3
+        restore-keys: |
+          ${{ runner.os }}-vcpkg-ffmpeg-
+
+    - name: Install system dependencies (Windows only)
+      run: |
+        if (-not (Test-Path "C:\vcpkg")) {
+          git clone https://github.com/Microsoft/vcpkg.git C:\vcpkg
+          C:\vcpkg\bootstrap-vcpkg.bat
+        }
+        C:\vcpkg\vcpkg.exe install ffmpeg:x64-windows
+        echo "VCPKG_ROOT=C:\vcpkg" >> $env:GITHUB_ENV
+
     - name: Install Rust toolchain
       uses: dtolnay/rust-toolchain@stable
 
     - name: Cache dependencies
       uses: Swatinem/rust-cache@v2
 
     - name: Build release binary
+      env:
+        VCPKG_ROOT: C:\vcpkg
       run: |
         cargo build --no-default-features --release
         cd target\release

Cargo.toml

@@ -84,6 +84,9 @@ bzip2 = "0.6"
 image = { version = "0" }
 kamadak-exif = "0"
 
+# video handling
+ffmpeg-next = "7.1.0"
+
 # for pdf rendering
 pdf_render = { git = "https://github.com/houqp/pdf_render.git", rev = "00b907936e45d904f958197fa6039320d0ac098d", features = [
     "embed",

src/models/preview_content.rs

@@ -85,6 +85,34 @@ impl std::fmt::Debug for ImageMeta {
     }
 }
 
+/// Metadata for video files
+#[derive(Clone)]
+pub struct VideoMeta {
+    /// Video title (usually filename)
+    pub title: String,
+    /// Video metadata (key-value pairs)
+    pub metadata: HashMap<String, String>,
+    /// Video thumbnail image
+    pub thumbnail: egui::widgets::ImageSource<'static>,
+    /// Keep the texture handle alive to prevent GPU texture from being freed
+    pub _texture_handle: Option<egui::TextureHandle>,
+}
+
+// Manual implementation of Debug for VideoMeta since TextureHandle doesn't implement Debug
+impl std::fmt::Debug for VideoMeta {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.debug_struct("VideoMeta")
+            .field("title", &self.title)
+            .field("metadata", &self.metadata)
+            .field("thumbnail", &"ImageSource")
+            .field(
+                "_texture_handle",
+                &self._texture_handle.as_ref().map(|_| "TextureHandle"),
+            )
+            .finish()
+    }
+}
+
 /// Represents different types of preview content that can be displayed in the right panel
 #[derive(Clone, Debug)]
 pub enum PreviewContent {
@@ -97,6 +125,8 @@ pub enum PreviewContent {
     },
     /// Image content with metadata
     Image(ImageMeta),
+    /// Video content with metadata and thumbnail
+    Video(VideoMeta),
     /// Zip file content with a list of entries
     Zip(Vec<ZipEntry>),
     /// Tar file content with a list of entries (supports both compressed and uncompressed)
@@ -182,6 +212,20 @@ impl PreviewContent {
         })
     }
 
+    /// Creates a new video preview content with a texture handle for thumbnail
+    pub fn video(
+        title: impl Into<String>,
+        metadata: HashMap<String, String>,
+        texture: egui::TextureHandle,
+    ) -> Self {
+        Self::Video(VideoMeta {
+            title: title.into(),
+            metadata,
+            thumbnail: egui::widgets::ImageSource::from(&texture),
+            _texture_handle: Some(texture),
+        })
+    }
+
     /// Creates a new zip preview content from a list of entries
     #[must_use]
     pub const fn zip(entries: Vec<ZipEntry>) -> Self {

src/ui/popup/preview/mod.rs

@@ -9,6 +9,7 @@ use egui::Context;
 
 pub mod doc;
 pub mod image;
+pub mod video;
 
 /// Handle the `ShowFilePreview` shortcut action
 /// This function was extracted from input.rs to reduce complexity
@@ -97,6 +98,10 @@ pub fn handle_show_file_preview(app: &mut Kiorg, _ctx: &egui::Context) {
             // Show preview popup for image files
             app.show_popup = Some(PopupType::Preview);
         }
+        crate::ui::preview::video_extensions!() => {
+            // Show preview popup for video files
+            app.show_popup = Some(PopupType::Preview);
+        }
         v => {
             if let Some(syntax) = crate::ui::preview::text::find_syntax_from_path(path) {
                 match crate::ui::preview::text::load_full_text(path, Some(syntax.name.as_str())) {
@@ -186,6 +191,16 @@ pub fn show_preview_popup(ctx: &Context, app: &mut Kiorg) {
                                 available_height,
                             );
                         }
+                        PreviewContent::Video(video_meta) => {
+                            // Use specialized popup video renderer
+                            video::render_popup(
+                                ui,
+                                video_meta,
+                                &app.colors,
+                                available_width,
+                                available_height,
+                            );
+                        }
                         PreviewContent::Pdf(pdf_meta) => {
                             // Use specialized PDF popup renderer with navigation
                             if let Some(path) = &selected_path {