From 801f17ef10e3e4c467e2b0a1036b50e0935f3f68 Mon Sep 17 00:00:00 2001
From: hbrain <hbrain@piagent.local>
Date: Thu, 28 May 2026 18:59:17 +0000
Subject: [PATCH] fix: respect intro logo alpha by forcing RGBA in overlay

---
 movmaker.py | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/movmaker.py b/movmaker.py
index 5e325ea..fca9058 100755
--- a/movmaker.py
+++ b/movmaker.py
@@ -36,13 +36,13 @@ FFMPEG = BASE_DIR / "ffmpeg" / "ffmpeg"
 FFPROBE = BASE_DIR / "ffmpeg" / "ffprobe"
 INTRO_LOGO_NAME = "intro.png"
 DEFAULT_INTRO_LOGO = BASE_DIR / "img" / "moto_travel.png"
-INTRO_LOGO_TARGET_HEIGHT_RATIO = 0.75
+INTRO_LOGO_TARGET_HEIGHT_RATIO = 0.99
 INTRO_LOGO_EXTRA_HOLD = 6.0
 INTRO_LOGO_FADE_OFFSET = 3.0
-INTRO_LOGO_DEFAULT_ALPHA = 0.75
+INTRO_LOGO_DEFAULT_ALPHA = 0.50
 INTRO_TITLE_START_OFFSET = 0.0
 INTRO_TITLE_FADE_LENGTH = 1.0
-INTRO_TITLE_VISIBLE = 6.0
+INTRO_TITLE_VISIBLE = 9.0
 INTRO_TITLE_FADE_IN_ENABLED = False
 DEFAULT_IMAGE_DURATION = 6.0
 DEFAULT_CROSSFADE_DURATION = 3.0
@@ -721,7 +721,8 @@ def render_intro_logo_frame(logo: Path, out: Path, width: int, height: int, alph
     filters = (
         f"[1:v]scale=w={width}:h={target_logo_height}:force_original_aspect_ratio=decrease,"
         f"format=rgba,colorchannelmixer=aa={alpha:.3f}[logo];"
-        f"[0:v][logo]overlay=x=(W-w)/2:y=(H-h)/2:format=auto,format=rgba[vout]"
+        f"[0:v]format=rgba[bg];"
+        f"[bg][logo]overlay=x=(W-w)/2:y=(H-h)/2:format=rgba[vout]"
     )
     cmd = [
         tool_path(FFMPEG, "ffmpeg"), "-y",