From 6818938cb0ed7a9b6d640784b2d4946a69b25066 Mon Sep 17 00:00:00 2001
From: cottongin <cottongin@users.noreply.github.com>
Date: Tue, 22 Sep 2026 14:43:24 -0400
Subject: [PATCH] feat: add optional output_dir param to extract_thumbnails

Co-authored-by: Cursor <cursoragent@cursor.com>
---
 src-tauri/src/commands/media_analysis.rs | 10 +++++++---
 src/lib/bindings/mediaAnalysis.ts        |  4 +++-
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/src-tauri/src/commands/media_analysis.rs b/src-tauri/src/commands/media_analysis.rs
index e4dc8a5..f3f569f 100644
--- a/src-tauri/src/commands/media_analysis.rs
+++ b/src-tauri/src/commands/media_analysis.rs
@@ -51,15 +51,19 @@ pub async fn extract_waveform_tiers(
 pub async fn extract_thumbnails(
     file_path: String,
     duration: f64,
+    output_dir: Option<String>,
 ) -> Result<Vec<ThumbnailSpritesheet>, String> {
     eprintln!(
         "[video-clipper:thumbnails] starting for '{}' (duration={})",
         file_path, duration
     );
     let result = tokio::task::spawn_blocking(move || {
-        let temp_dir = std::env::temp_dir()
-            .join("video-clipper-thumbs")
-            .join(uuid::Uuid::new_v4().to_string());
+        let temp_dir = match output_dir {
+            Some(dir) => std::path::PathBuf::from(dir),
+            None => std::env::temp_dir()
+                .join("video-clipper-thumbs")
+                .join(uuid::Uuid::new_v4().to_string()),
+        };
         let temp_dir_str = temp_dir.to_string_lossy().to_string();
         thumbnail_extractor::extract_thumbnails(&file_path, duration, &temp_dir_str)
     })
diff --git a/src/lib/bindings/mediaAnalysis.ts b/src/lib/bindings/mediaAnalysis.ts
index 223a69a..bb225dc 100644
--- a/src/lib/bindings/mediaAnalysis.ts
+++ b/src/lib/bindings/mediaAnalysis.ts
@@ -41,11 +41,13 @@ export async function extractWaveformTiers(
 
 export async function extractThumbnails(
   filePath: string,
-  duration: number
+  duration: number,
+  outputDir?: string
 ): Promise<ThumbnailSpritesheet[]> {
   return invoke<ThumbnailSpritesheet[]>('extract_thumbnails', {
     filePath,
     duration,
+    outputDir: outputDir ?? null,
   });
 }