From 1ab18e6ab5c11c9280ec8355017664d80200afe2 Mon Sep 17 00:00:00 2001
From: Ethanfel <ethan.fel@ts-pc.fr>
Date: Mon, 6 Apr 2026 15:58:33 +0200
Subject: [PATCH] fix: use -c:v and explicit -an in image_sequence ffmpeg
 command

---
 main.py             | 3 ++-
 tests/test_utils.py | 5 +++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/main.py b/main.py
index ba05d7e..f618f65 100644
--- a/main.py
+++ b/main.py
@@ -66,7 +66,8 @@ def build_ffmpeg_command(
 
     if image_sequence:
         cmd += [
-            "-vcodec", "libwebp",
+            "-an",
+            "-c:v", "libwebp",
             "-lossless", "1",
             "-compression_level", "4",
             os.path.join(output_path, "frame_%04d.webp"),
diff --git a/tests/test_utils.py b/tests/test_utils.py
index bb0a895..cc33fb1 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -192,8 +192,8 @@ def test_build_sequence_dir_counter():
 
 def test_ffmpeg_command_image_sequence():
     cmd = build_ffmpeg_command("/in/v.mp4", 0.0, "/out/seq_001", image_sequence=True)
-    assert "-vcodec" in cmd
-    assert cmd[cmd.index("-vcodec") + 1] == "libwebp"
+    assert "-c:v" in cmd
+    assert cmd[cmd.index("-c:v") + 1] == "libwebp"
     assert "-lossless" in cmd
     assert cmd[cmd.index("-lossless") + 1] == "1"
     assert "-compression_level" in cmd
@@ -209,5 +209,6 @@ def test_ffmpeg_command_image_sequence_with_resize():
 
 def test_ffmpeg_command_image_sequence_no_audio():
     cmd = build_ffmpeg_command("/in/v.mp4", 0.0, "/out/seq_001", image_sequence=True)
+    assert "-an" in cmd
     assert "-c:a" not in cmd
     assert "aac" not in cmd