横竖转换 python ffmpeg

定义坐标版本

import os
import subprocess

input_dir = "/Users/gd/Downloads/videos"
output_dir = "/Users/gd/Downloads/videos/directory"

# 创建输出目录
os.makedirs(output_dir, exist_ok=True)

for file in os.listdir(input_dir):
    if file.endswith(".mp4"):
        input_file = os.path.join(input_dir, file)
        output_file = os.path.join(
            output_dir, file.replace(".mp4", ".mp4")
        )

        # 剪切的起始坐标
        x = 0
        y = 500  # 请根据实际需求调整

        # FFmpeg命令
        ffmpeg_command = [
            "ffmpeg",
            "-i",
            input_file,
            "-vf",
            f"scale=1920:-1, crop=1920:1680:{x}:{y}",
            "-c:a",
            "copy",
            output_file,
        ]

        # 执行FFmpeg命令
        subprocess.run(ffmpeg_command)

print("Conversion completed.")
# debug
# ffmpeg -i input_video.mp4 -vf "scale=1920:-1, crop=1920:1680:0:500" -c:a copy output_video.mp4

拉伸版本

import os
import subprocess

input_dir = r"D:\Work_Tools\16x9\研究室"
output_dir = r"D:\Work_Tools\16x9\研究室1920x1080"

# 创建输出目录
os.makedirs(output_dir, exist_ok=True)

for file in os.listdir(input_dir):
    if file.endswith(".mp4"):
        input_file = os.path.join(input_dir, file)
        output_file = os.path.join(
            output_dir, file.replace(".mp4", ".mp4")
        )

        # 剪切的起始坐标
        #x = 0
        #y = 500  # 请根据实际需求调整

        # FFmpeg命令
        ffmpeg_command = [
            "ffmpeg",
            "-i",
            input_file,
            "-vf",
            f"scale=1920:1080, crop=1080:1080",
            "-c:a",
            "copy",
            "-c:v",
            "libx264",
            "-c:a",
            "libmp3lame",
            "-y",
            output_file,
        ]
        # 执行FFmpeg命令
        subprocess.run(ffmpeg_command)


print("Conversion completed.")
# debug
# ffmpeg -i input_video.mp4 -vf "scale=1920:1080, crop=1920:1680" -c:a copy output_video.mp4

取中版本

import os
import subprocess

input_dir = r"D:\CRVideoMate Output\研究室"
output_dir = r"D:\Work_Tools\16x9\研究室"

# 创建输出目录
os.makedirs(output_dir, exist_ok=True)

for file in os.listdir(input_dir):
    if file.endswith(".mp4"):
        input_file = os.path.join(input_dir, file)
        output_file = os.path.join(
            output_dir, file.replace(".mp4", ".mp4")
        )

        # 剪切的起始坐标
        #x = 0
        #y = 500  # 请根据实际需求调整

        # FFmpeg命令
        ffmpeg_command = [
            "ffmpeg",
            "-i",
            input_file,
            "-vf",
            f"scale=1920:-1, crop=1920:780",
            "-c:a",
            "copy",
            "-y",
            output_file,
        ]

        # 执行FFmpeg命令
        subprocess.run(ffmpeg_command)

print("Conversion completed.")
# debug
# ffmpeg -i input_video.mp4 -vf "scale=1920:-1, crop=1920:1680:0:500" -c:a copy output_video.mp4