Ashen Grand Ridge

python • 2 个月前 • 648 次查看 • 作者 michaelkohlman 86 行 306 个词 3,212 个字符 3.14 KB

{if:{oneof:{userid}|1518907075751710790|579861724816211988|1524240873985015898|1524433621090304142}|!=||then:{exit:{js:console.error(`MKTLE5808, the author has restricted/banned you from using this tag. Please promise not to be rude or constantly annoy the author in the future.
Expiration: Infinity, until you apologize`)}}|else:{if:{argslen}|<|3|then:{code:.t {tagname} <url> <layout> <position>}|else:{py:load {iv:{args}}
load {arg:0}
import subprocess
import os

def overlay_on_grid(base_video, overlay_video, grid, position, output):
    rows, cols = map(int, grid.split('x'))
    pos = int(position) - 1
    row = pos // cols
    col = pos % cols

    # Get base video dimensions
    probe = subprocess.run(
        ['ffprobe', '-v', 'error', '-select_streams', 'v:0',
         '-show_entries', 'stream=width,height', '-of', 'csv=p=0', base_video],
        capture_output=True, text=True
    )
    if probe.returncode != 0:
        print("FFprobe error:", probe.stderr)
        return False

    try:
        base_width, base_height = map(int, probe.stdout.strip().split(','))
    except Exception as e:
        print("Failed to parse ffprobe output:", probe.stdout, e)
        return False
    # === Get base video duration ===
    probe_dur = subprocess.run(
        ['ffprobe', '-v', 'error', '-show_entries', 'format=duration',
         '-of', 'default=noprint_wrappers=1:nokey=1', base_video],
        capture_output=True, text=True
    )
    if probe_dur.returncode != 0:
        print("FFprobe error (duration):", probe_dur.stderr)
        return False

    try:
        base_duration = float(probe_dur.stdout.strip())
    except Exception as e:
        print("Failed to parse ffprobe output (duration):", probe_dur.stdout, e)
        return False

    overlay_width = base_width // cols
    overlay_height = base_height // rows
    x_pos = col * overlay_width
    y_pos = row * overlay_height

    # FFmpeg command
    cmd = [
        'ffmpeg', '-y',
        '-i', base_video,
        '-i', overlay_video,
        '-filter_complex',
        f"[0:v]scale={base_width}:{base_height}[base];"
        f"[1:v]format=rgb24,scale={overlay_width}:{overlay_height}[ov];"
        f"[base][ov]overlay={x_pos}:{y_pos}",
        '-c:v', 'libx264',
        '-pix_fmt', 'yuv420p',
        '-map', '1:a?',  # optional audio from overlay
        '-t', str(base_duration),  # limit output to base video duration
        '-shortest',
        output
    ]

    process = subprocess.run(cmd, capture_output=True, text=True)
    if process.returncode != 0:
        print("FFmpeg failed:\n", process.stderr)
        return False

    if not os.path.exists(output):
        print("FFmpeg did not create output file")
        return False

    return True


# === Put your file paths here ===
base_video_path = os.environ.get('FILE_1')       # base video path
overlay_video_path = os.environ.get('FILE_2')  # overlay video path
grid_size = "{arg:1}"        # grid (rows x columns)
grid_position = {arg:2}         # position in the grid (1-indexed)
output_path = "./output/asc.mp4"          # output file path

# Run it
success = overlay_on_grid(base_video_path, overlay_video_path, grid_size, grid_position, output_path)}}}

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作者: michaelkohlman
创建时间: 2026-07-29 22:21:19
浏览量: 648
下载: 57
语法: python
大小: 3.14 KB

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