scripts/make-video-v2.py

import argparse, os, subprocess, sys, glob, random, shutil

parser = argparse.ArgumentParser()
parser.add_argument('--images-dir', required=True)
parser.add_argument('--audio', default='')
parser.add_argument('--output', required=True)
parser.add_argument('--duration', type=float, default=3.0)
parser.add_argument('--fps', type=int, default=24)
args = parser.parse_args()

image_exts = ('*.png', '*.jpg', '*.jpeg', '*.webp')
images = []
for ext in image_exts:
    images.extend(sorted(glob.glob(os.path.join(args.images_dir, '**', ext), recursive=True)))
if not images:
    print("ERROR: No images found"); sys.exit(1)
print(f"  Images: {len(images)} files")

ffmpeg = "ffmpeg.exe" if os.name == 'nt' else "ffmpeg"
out_dir = os.path.dirname(args.output)
os.makedirs(out_dir, exist_ok=True)
temp_dir = os.path.join(out_dir, '_segments')
os.makedirs(temp_dir, exist_ok=True)

frames = int(args.duration * args.fps)
concat_path = os.path.join(temp_dir, 'list.txt')

with open(concat_path, 'w') as f:
    for i, img in enumerate(images):
        seg_out = os.path.join(temp_dir, f"s{i:03d}.mp4")
        rng = random.Random(hash(img) % 10000)
        zoom = rng.uniform(1.02, 1.06)
        dx = rng.uniform(-30, 30)
        dy = rng.uniform(-30, 30)

        vf = (
            f"scale=1920:1080:force_original_aspect_ratio=decrease,"
            f"pad=1920:1080:(ow-iw)/2:(oh-ih)/2,"
            f"zoompan=z='if(eq(on,1),1,min(zoom+({zoom}-1)/{frames},{zoom}))':"
            f"d={frames}:x='iw/2-(iw/zoom/2)+{dx}*(on/{frames})':"
            f"y='ih/2-(ih/zoom/2)+{dy}*(on/{frames})':s=1920x1080"
        )

        subprocess.run(
            [ffmpeg, '-y', '-loop', '1', '-i', img,
             '-vf', vf, '-c:v', 'libx264', '-preset', 'fast',
             '-crf', '18', '-t', str(args.duration), '-an', seg_out],
            capture_output=True
        )
        f.write(f"file '{seg_out}'\n")

cmd = [ffmpeg, '-y', '-f', 'concat', '-safe', '0', '-i', concat_path,
       '-c:v', 'libx264', '-preset', 'slow', '-crf', '18',
       '-pix_fmt', 'yuv420p', '-movflags', '+faststart']

if args.audio and os.path.exists(args.audio):
    cmd.extend(['-i', args.audio, '-c:a', 'aac', '-b:a', '192k', '-shortest'])
else:
    cmd.extend(['-an'])

cmd.append(args.output)

result = subprocess.run(cmd, capture_output=True, text=True)
shutil.rmtree(temp_dir, ignore_errors=True)

if result.returncode == 0:
    size = os.path.getsize(args.output)
    print(f"  -> Video: {args.output} ({size/1024/1024:.1f} MB)")
else:
    print(f"  ERROR: {result.stderr[-300:]}")
    sys.exit(1)