compress

tiktok2bsky.py

@@ -538,14 +538,12 @@ def get_video_duration(path: str) -> float:
         logging.warning(f"⚠️ ffprobe failed: {e}")
         return 0.0
 
-
 def compress_video(input_path: str, output_path: str,
                    max_duration: int = VIDEO_MAX_DURATION_S,
                    max_size_bytes: int = VIDEO_MAX_SIZE_BYTES) -> bool:
     try:
         duration = get_video_duration(input_path)
 
-        # Guard: ffprobe returned 0 = file is not a valid video
         if duration <= 0:
             logging.error(
                 f"❌ compress_video: ffprobe returned duration={duration} "
@@ -569,7 +567,11 @@ def compress_video(input_path: str, output_path: str,
             "ffmpeg", "-y",
             "-i", input_path,
             "-t", str(trim_to),
-            "-vf", "scale='min(1280,iw)':'min(720,ih)':force_original_aspect_ratio=decrease",
+            # Scale to fit within 1280×720, then pad to even dimensions
+            # The pad filter is required because libx264 needs width/height
+            # divisible by 2. Portrait TikTok videos (9:16) would otherwise
+            # produce odd widths like 405px and crash the encoder.
+            "-vf", "scale='min(1280,iw)':'min(720,ih)':force_original_aspect_ratio=decrease,pad=ceil(iw/2)*2:ceil(ih/2)*2",
             "-c:v", "libx264",
             "-b:v", f"{video_kbps}k",
             "-maxrate", f"{video_kbps * 2}k",
@@ -596,6 +598,7 @@ def compress_video(input_path: str, output_path: str,
         logging.error(f"❌ compress_video error: {e}")
         return False
 
+
 def download_video(url: str, output_path: str,
                    cookies: list = None) -> bool:
     """