智能视频处理新购优惠

import requests

def transcode_video(video_url, output_format):
    api_key = 'YOUR_API_KEY'
    secret_id = 'YOUR_SECRET_ID'
    endpoint = 'https://video.tencentcloudapi.com'
    
    params = {
        'Action': 'Transcode',
        'Version': '2018-07-17',
        'Region': 'ap-guangzhou',
        'VideoUrl': video_url,
        'OutputFormat': output_format,
        'Timestamp': int(time.time()),
        'Nonce': random.randint(1, 100000),
        'SecretId': secret_id,
        'SignatureMethod': 'HmacSHA1',
        'SignatureVersion': '1.0'
    }
    
    # Generate signature (omitted for brevity)
    params['Signature'] = generate_signature(params, api_key)
    
    response = requests.post(endpoint, data=params)
    return response.json()

# Example usage
result = transcode_video('http://example.com/video.mp4', 'mp4')
print(result)