From c707e76bd64b8fc9c30b2a3d46b8905316d785e1 Mon Sep 17 00:00:00 2001
From: Zoe Roux <zoe.roux@zoriya.dev>
Date: Wed, 19 Jun 2024 12:25:43 +0000
Subject: [PATCH] Fast track extractions if there is no subtitles

---
 transcoder/src/extract.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/transcoder/src/extract.go b/transcoder/src/extract.go
index cb6b77f7..d12b84a7 100644
--- a/transcoder/src/extract.go
+++ b/transcoder/src/extract.go
@@ -29,6 +29,12 @@ func Extract(path string, sha string) (<-chan struct{}, error) {
 		os.MkdirAll(attachment_path, 0o644)
 		os.MkdirAll(subs_path, 0o755)
 
+		// If there is no subtitles, there is nothing to extract (also fonts would be useless).
+		if len(info.Subtitles) == 0 {
+			close(ret)
+			return
+		}
+
 		cmd := exec.Command(
 			"ffmpeg",
 			"-dump_attachment:t", "",