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aiData/DouYin/convert_to_mp4.py

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2026-01-20 19:06:36 +08:00
import os
import subprocess
import logging
# Configure logging
logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
logger = logging.getLogger("VideoConverter")
def get_codec(filepath):
try:
cmd = [
"ffprobe",
"-v", "error",
"-show_entries", "stream=codec_name",
"-of", "default=noprint_wrappers=1:nokey=1",
filepath
]
result = subprocess.run(cmd, capture_output=True, text=True, check=True)
return result.stdout.strip().split('\n')
except Exception as e:
logger.error(f"Error checking codec for {filepath}: {e}")
return []
def convert_to_h264(filepath):
try:
directory = os.path.dirname(filepath)
filename = os.path.basename(filepath)
name, ext = os.path.splitext(filename)
temp_filepath = os.path.join(directory, f"{name}_temp{ext}")
logger.info(f"Converting {filename} to H.264...")
cmd = [
"ffmpeg",
"-i", filepath,
"-c:v", "libx264",
"-c:a", "copy",
"-y",
temp_filepath
]
subprocess.run(cmd, check=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
# Replace original file
os.remove(filepath)
os.rename(temp_filepath, filepath)
logger.info(f"Successfully converted: {filename}")
return True
except Exception as e:
logger.error(f"Failed to convert {filepath}: {e}")
if os.path.exists(temp_filepath):
os.remove(temp_filepath)
return False
def main():
directory = r"d:\dsWork\aiData\DouYin\DownloadedVideos"
if not os.path.exists(directory):
logger.error(f"Directory not found: {directory}")
return
files = [f for f in os.listdir(directory) if f.endswith(".mp4")]
total = len(files)
logger.info(f"Found {total} video files.")
for i, filename in enumerate(files, 1):
filepath = os.path.join(directory, filename)
codecs = get_codec(filepath)
if "hevc" in codecs:
logger.info(f"[{i}/{total}] HEVC detected: {filename}")
convert_to_h264(filepath)
else:
logger.info(f"[{i}/{total}] Skipping (already compatible or unknown): {filename} ({codecs})")
if __name__ == "__main__":
main()