RTC提交
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							| @ -1,8 +1,9 @@ | ||||
| import asyncio | ||||
| import aiohttp | ||||
| import cv2  # 导入OpenCV库 | ||||
| import numpy as np | ||||
| from aiortc import RTCPeerConnection, RTCSessionDescription, RTCConfiguration | ||||
| from aiortc.mediastreams import MediaStreamTrack | ||||
| from ocr.ocr_violation_detector import detect | ||||
|  | ||||
|  | ||||
| class VideoTrack(MediaStreamTrack): | ||||
| @ -18,7 +19,7 @@ class VideoTrack(MediaStreamTrack): | ||||
|  | ||||
| async def rtc_frame_receiver(url, frame_queue): | ||||
|     """ | ||||
|     对每帧进行检查、只要接收到 RTC 帧且队列为空、就往队列放入数据 | ||||
|     对每帧进行检查、只要接收到 RTC 帧且队列为空、就往队列放入cv2格式的帧数据 | ||||
|     """ | ||||
|     pc = RTCPeerConnection(RTCConfiguration(iceServers=[])) | ||||
|     video_track = VideoTrack() | ||||
| @ -35,17 +36,23 @@ async def rtc_frame_receiver(url, frame_queue): | ||||
|             while True: | ||||
|                 # 接收当前帧并累计计数 | ||||
|                 frame = await track.recv() | ||||
|                 frame_bgr24 = frame.to_ndarray(format='bgr24') | ||||
|                 total_frames += 1 | ||||
|                 # 转换为cv2兼容的BGR格式numpy数组 | ||||
|                 frame_cv2 = frame.to_ndarray(format='bgr24') | ||||
|  | ||||
|                 # 对每帧都检查队列状态、队列为空则放入 | ||||
|                 if frame_queue.empty(): | ||||
|                     # 队列为空、放入当前帧 | ||||
|                     await frame_queue.put(frame_bgr24) | ||||
|                     print(f"第{total_frames}帧:队列为空、已放入新帧") | ||||
|                 # 验证是否为cv2兼容格式 | ||||
|                 if isinstance(frame_cv2, np.ndarray) and frame_cv2.ndim == 3 and frame_cv2.shape[2] == 3: | ||||
|                     total_frames += 1 | ||||
|  | ||||
|                     # 对每帧都检查队列状态、队列为空则放入 | ||||
|                     if frame_queue.empty(): | ||||
|                         # 队列为空、放入当前cv2帧 | ||||
|                         await frame_queue.put(frame_cv2) | ||||
|                         print(f"第{total_frames}帧:队列为空、已放入新的cv2帧,尺寸: {frame_cv2.shape}") | ||||
|                     else: | ||||
|                         # 队列非空、说明上一帧还未处理、跳过当前帧 | ||||
|                         print(f"第{total_frames}帧:队列非空、跳过该帧") | ||||
|                 else: | ||||
|                     # 队列非空、说明上一帧还未处理、跳过当前帧 | ||||
|                     print(f"第{total_frames}帧:队列非空、跳过该帧") | ||||
|                     print("帧格式转换失败,不是有效的cv2格式") | ||||
|  | ||||
|     # 创建并设置本地offer | ||||
|     offer = await pc.createOffer() | ||||
| @ -82,18 +89,23 @@ async def rtc_frame_receiver(url, frame_queue): | ||||
|  | ||||
| async def frame_consumer(frame_queue): | ||||
|     """ | ||||
|     从队列中读取帧并处理(队列空时会阻塞等待) | ||||
|     从队列中读取cv2帧并处理(队列空时会阻塞等待) | ||||
|  | ||||
|     Args: frame_queue: 帧队列 | ||||
|     """ | ||||
|     while True: | ||||
|         # 从队列中获取帧(队列为空时会阻塞等待新帧) | ||||
|         # 从队列中获取cv2帧(队列为空时会阻塞等待新帧) | ||||
|         current_frame = await frame_queue.get() | ||||
|  | ||||
|         # 检测 | ||||
|         detect(current_frame) | ||||
|         # 验证这是cv2可以处理的帧 | ||||
|         print(f"从队列获取到cv2帧、尺寸: {current_frame.shape}、数据类型: {current_frame.dtype}") | ||||
|  | ||||
|         print(f"从队列获取到帧、尺寸: {current_frame.shape}、进行处理") | ||||
|         # 这里可以添加cv2的处理代码,例如显示帧 | ||||
|         # cv2.imshow('Received Frame', current_frame) | ||||
|         # if cv2.waitKey(1) & 0xFF == ord('q'): | ||||
|         #     break | ||||
|  | ||||
|         print("cv2帧处理完成") | ||||
|  | ||||
|         # 标记任务完成 | ||||
|         frame_queue.task_done() | ||||
| @ -116,4 +128,8 @@ async def main(): | ||||
|  | ||||
|  | ||||
| if __name__ == "__main__": | ||||
|     asyncio.run(main()) | ||||
|     try: | ||||
|         asyncio.run(main()) | ||||
|     finally: | ||||
|         # 确保关闭所有cv2窗口 | ||||
|         cv2.destroyAllWindows() | ||||
|  | ||||
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