182 lines
7.1 KiB
Python
182 lines
7.1 KiB
Python
import json
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import time
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import logging
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from JiMeng.Kit.JmCommon import JmCommon
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from JiMeng.Kit.JmErrorCode import JmErrorCode
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# 配置日志
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logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(name)s - %(levelname)s - %(message)s')
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logger = logging.getLogger('JmImg2Video')
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class JmImg2Video(JmCommon):
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req_key = "jimeng_vgfm_i2v_l20"
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action = "CVSync2AsyncSubmitTask"
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default_max_retries = 10000 # 最大查询次数
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default_retry_interval = 3000 # 查询间隔（毫秒）
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def __init__(self, max_retries=None, retry_interval=None):
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"""
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初始化JmImg2Video实例
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:param max_retries: 最大查询次数，默认使用类的默认值
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:param retry_interval: 查询间隔（毫秒），默认使用类的默认值
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"""
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self.max_retries = max_retries if max_retries is not None else self.default_max_retries
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self.retry_interval = retry_interval if retry_interval is not None else self.default_retry_interval
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def create_video_task(self, image_urls, prompt):
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"""
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根据首帧图片和分镜头脚本生成视频任务
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:param image_urls: 图片URL列表
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:param prompt: 提示词（分镜头脚本）
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:return: 任务ID
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:raises Exception: 任务创建失败时抛出异常
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"""
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# 创建请求体
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req = {
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"req_key": self.req_key,
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"image_urls": image_urls,
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"prompt": prompt
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}
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try:
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response_body = self.do_request(
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method="POST",
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query_list={},
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body=json.dumps(req).encode('utf-8'),
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action=self.action
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)
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result = json.loads(response_body)
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code = result.get("code")
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if not JmErrorCode.is_success(code):
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error_msg = f"提交任务失败: 错误码={code}, 错误信息={JmErrorCode.get_message_by_code(code)}"
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logger.error(error_msg)
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raise Exception(error_msg)
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# 获取任务ID
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task_id = result.get("data", {}).get("task_id")
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if not task_id:
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error_msg = "提交任务成功但未返回任务ID"
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logger.error(error_msg)
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raise Exception(error_msg)
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logger.info(f"任务创建成功，任务ID: {task_id}")
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return task_id
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except Exception as e:
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logger.error(f"创建视频任务异常: {str(e)}", exc_info=True)
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raise
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def query_task_status(self, task_id):
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"""
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根据任务ID查询视频生成状态
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:param task_id: 视频生成任务ID
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:return: 字典，包含任务状态信息
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- status: 'completed' 表示完成, 'processing' 表示处理中, 'failed' 表示失败
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- video_url: 视频URL，如果任务完成
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- error_msg: 错误信息，如果任务失败
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"""
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try:
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result = self.query_task_result(task_id)
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code = result.get("code")
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if not JmErrorCode.is_success(code):
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error_msg = f"查询任务失败: 错误码={code}, 错误信息={JmErrorCode.get_message_by_code(code)}"
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logger.error(error_msg)
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return {
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"status": "failed",
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"error_msg": error_msg
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}
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data = result.get("data", {})
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if data and data.get("video_url"):
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video_url = data.get("video_url")
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logger.info(f"任务已完成，视频地址: {video_url}")
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return {
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"status": "completed",
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"video_url": video_url
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}
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else:
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logger.info(f"任务处理中，任务ID: {task_id}")
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return {
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"status": "processing"
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}
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except Exception as e:
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logger.error(f"查询任务状态异常: {str(e)}", exc_info=True)
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return {
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"status": "failed",
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"error_msg": str(e)
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}
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def wait_for_task_completion(self, task_id, download_path=None):
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"""
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等待任务完成并可选地下载视频
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:param task_id: 视频生成任务ID
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:param download_path: 视频下载路径，如果为None则不下载
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:return: 视频URL，如果任务成功完成
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:raises Exception: 任务失败或超时
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"""
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query_retry_count = 0
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while query_retry_count < self.max_retries:
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status_info = self.query_task_status(task_id)
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if status_info["status"] == "completed":
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video_url = status_info["video_url"]
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if download_path:
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logger.info(f"开始下载视频到: {download_path}")
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self.download_file(video_url, download_path)
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logger.info(f"视频已下载完成")
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return video_url
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elif status_info["status"] == "failed":
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raise Exception(f"任务失败: {status_info.get('error_msg', '未知错误')}")
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else:
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logger.info(f"任务处理中，等待{self.retry_interval}毫秒后重试...")
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time.sleep(self.retry_interval / 1000)
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query_retry_count += 1
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error_msg = f"任务查询超时，已达到最大查询次数: {self.max_retries}"
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logger.error(error_msg)
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raise Exception(error_msg)
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def main():
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try:
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# 示例用法
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image_urls = [
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"https://dsideal.obs.cn-north-1.myhuaweicloud.com/HuangHai/Backup/Text2Img.jpg"
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]
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prompt = """
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|镜号|运镜|画面内容|
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| :---: | :---: | --- |
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|1|固定镜头|穿着黄色安全帽、反光背心的工人背着小女孩，左手抱着小熊玩偶，两人脸上洋溢着幸福的笑容，背景是老旧居民楼和湿漉漉的路面。|
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|2|推镜头|镜头从两人全身慢慢推近至两人上半身，聚焦两人亲密温馨的神态。|
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|3|平移镜头|镜头从两人正面平移至侧面，展现工人的朴实与小女孩的可爱。|
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|4|拉镜头|镜头逐渐拉远，展现两人在居民楼间道路上的整体场景。|
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|5|固定镜头|定格在两人互动的画面，突出亲情的温暖氛围。|
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"""
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# 创建实例
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img2video = JmImg2Video(max_retries=100, retry_interval=2000)
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# 创建视频任务
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task_id = img2video.create_video_task(image_urls, prompt)
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print(f"任务ID: {task_id}")
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# 等待任务完成并下载视频
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mp4_file_name = "image2video.mp4"
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save_video_path = fr"D:\dsWork\dsProject\dsLightRag\JiMeng\{mp4_file_name}"
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video_url = img2video.wait_for_task_completion(task_id, save_video_path)
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print(f"视频生成完成，地址: {video_url}")
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except Exception as e:
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logger.error(f"程序执行异常: {str(e)}", exc_info=True)
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if __name__ == "__main__":
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main() |