ocr1.0

rtc/rtc.py

@@ -1,117 +1,175 @@
+import queue
 import asyncio
-import logging
-from aiortc import RTCPeerConnection, RTCSessionDescription
 import aiohttp
+import threading
+import time
+from aiortc import RTCPeerConnection, RTCSessionDescription, RTCConfiguration
+from aiortc.mediastreams import MediaStreamTrack
 
-# 配置日志
-logging.basicConfig(level=logging.INFO)
-logger = logging.getLogger("whep_video_puller")
+from ocr.ocr_violation_detector import OCRViolationDetector
+import logging
+
+# 创建检测器实例
+detector = OCRViolationDetector(
+        forbidden_words_path=r"D:\Git\bin\video\ocr\forbidden_words.txt",
+        ocr_confidence_threshold=0.7,
+        log_level=logging.INFO,
+        log_file="ocr_detection.log"
+)
+
+# 创建一个长度为1的队列，用于生产者和消费者之间的通信
+frame_queue = queue.Queue(maxsize=1)
 
 
-async def whep_pull_video_stream(whep_url):
+class VideoTrack(MediaStreamTrack):
+    """自定义视频轨道类，继承自MediaStreamTrack"""
+    kind = "video"
+
+    def __init__(self, max_frames=100):
+        super().__init__()
+        self.frames = queue.Queue(maxsize=max_frames)
+
+    async def recv(self):
+        return await super().recv()
+
+
+def webrtc_producer(webrtc_url):
     """
-    通过WHEP从指定URL拉取视频流并在收到每一帧时打印消息
-
-    Args:
-        whep_url: WHEP端点的URL
+    生产者方法：从WEBRTC读取视频帧并放入队列
+    仅当队列空时才放入新帧，否则丢弃
     """
-    pc = RTCPeerConnection()
+    loop = asyncio.new_event_loop()
+    asyncio.set_event_loop(loop)
 
-    # 添加连接状态变化监听
-    @pc.on("connectionstatechange")
-    async def on_connectionstatechange():
-        print(f"连接状态: {pc.connectionState}")
+    # 创建RTCPeerConnection对象，不使用ICE服务器
+    pc = RTCPeerConnection(RTCConfiguration(iceServers=[]))
+    video_track = VideoTrack()
+    pc.addTrack(video_track)
 
-    # 添加ICE连接状态变化监听
-    @pc.on("iceconnectionstatechange")
-    async def on_iceconnectionstatechange():
-        print(f"ICE连接状态: {pc.iceConnectionState}")
-
-    # 添加视频接收器
-    pc.addTransceiver("video", direction="recvonly")
-
-    # 处理接收到的视频轨道
     @pc.on("track")
-    def on_track(track):
-        print(f"接收到轨道: {track.kind}")
+    async def on_track(track):
         if track.kind == "video":
-            print(f"轨道ID: {track.id}")
-            print(f"轨道就绪状态: {track.readyState}")
-            # 创建异步任务来处理视频帧
-            asyncio.ensure_future(handle_video_track(track))
-
-    async def handle_video_track(track):
-        """处理视频轨道，接收并打印每一帧"""
-        frame_count = 0
-        print("开始处理视频轨道...")
-
-        while True:
-            try:
-                # 尝试接收帧
+            print("接收到视频轨道，开始接收视频帧")
+            while True:
+                # 从轨道接收视频帧
                 frame = await track.recv()
-                frame_count += 1
-                print(f"收到原始帧 (第{frame_count}帧)")
+                # 转换为BGR24格式的NumPy数组
+                frame_bgr24 = frame.to_ndarray(format='bgr24')
 
-                # 打印帧的基本信息
-                if hasattr(frame, 'width') and hasattr(frame, 'height'):
-                    print(f"  尺寸: {frame.width}x{frame.height}")
-                if hasattr(frame, 'time_base'):
-                    print(f"  时间基准: {frame.time_base}")
-                if hasattr(frame, 'pts'):
-                    print(f"  显示时间戳: {frame.pts}")
+                # 检查队列是否为空，为空则加入，否则丢弃
+                if frame_queue.empty():
+                    try:
+                        frame_queue.put_nowait(frame_bgr24)
+                        print("帧已放入队列")
+                    except queue.Full:
+                        print("队列已满，丢弃帧")
+                else:
+                    print("队列非空，丢弃帧")
 
-            except Exception as e:
-                print(f"接收帧时出错: {e}")
-                # 等待一段时间后重试
+    async def main():
+        # 创建并发送SDP Offer
+        offer = await pc.createOffer()
+        print("已创建本地SDP Offer")
+        await pc.setLocalDescription(offer)
+
+        # 发送Offer到服务器并接收Answer
+        async with aiohttp.ClientSession() as session:
+            print(f"开始向服务器 {webrtc_url} 发送SDP Offer")
+            async with session.post(
+                    webrtc_url,
+                    data=offer.sdp.encode(),
+                    headers={
+                        "Content-Type": "application/sdp",
+                        "Content-Length": str(len(offer.sdp))
+                    },
+                    ssl=False
+            ) as response:
+                print("已接收到服务器的响应")
+                answer_sdp = await response.text()
+                await pc.setRemoteDescription(RTCSessionDescription(sdp=answer_sdp, type='answer'))
+
+        # 保持连接
+        try:
+            while True:
                 await asyncio.sleep(0.1)
-                continue
+        except KeyboardInterrupt:
+            pass
+        finally:
+            print("关闭RTCPeerConnection")
+            await pc.close()
 
-    # 创建offer
-    offer = await pc.createOffer()
-    await pc.setLocalDescription(offer)
+    try:
+        loop.run_until_complete(main())
+    finally:
+        loop.close()
 
-    print(f"本地SDP信息:\n{offer.sdp}")
 
-    # 通过HTTP POST发送offer到WHEP端点
-    async with aiohttp.ClientSession() as session:
-        async with session.post(
-                whep_url,
-                data=offer.sdp,
-                headers={"Content-Type": "application/sdp"}
-        ) as response:
-            if response.status != 201:
-                print(f"WHEP服务器返回错误: {response.status}")
-                print(f"响应内容: {await response.text()}")
-                raise Exception(f"WHEP服务器返回错误: {response.status}")
-
-            # 获取answer SDP
-            answer_sdp = await response.text()
-
-            # 创建RTCSessionDescription对象
-            answer = RTCSessionDescription(sdp=answer_sdp, type="answer")
-
-            print(f"收到远程SDP:\n{answer_sdp}")
-
-    # 设置远程描述
-    await pc.setRemoteDescription(answer)
-
-    print("连接已建立，开始接收视频流...")
-
-    # 保持连接，直到用户中断
+def frame_consumer(ip):
+    """
+    消费者方法：从队列中读取帧并处理
+    每次处理后休眠200ms模拟延迟
+    """
+    print("消费者启动，开始等待帧...")
     try:
         while True:
-            await asyncio.sleep(1)
-            # 检查连接状态
-            print(f"当前连接状态: {pc.connectionState}")
+            # 阻塞等待队列中的帧
+            frame = frame_queue.get()
+            print(f"消费帧，大小: {frame.shape}")
+
+            has_violation, violations, confidences = OCRViolationDetector.detect(frame)
+
+
+            # 输出检测结果
+            if has_violation:
+                detector.logger.info(f"在图片中检测到 {len(violations)} 个违禁词:")
+                for word, conf in zip(violations, confidences):
+                    detector.logger.info(f"- {word} (置信度: {conf:.4f})")
+            else:
+                    detector.logger.info("图片中未检测到违禁词")
+
+
+            # 标记任务完成
+            frame_queue.task_done()
     except KeyboardInterrupt:
-        print("用户中断，关闭连接...")
-    finally:
-        await pc.close()
+        print("消费者退出")
+
+
+def start_webrtc_stream(ip, webrtc_url):
+    """
+    启动WebRTC视频流处理的主方法
+    参数: webrtc_url - WebRTC服务器地址
+    """
+    print(f"开始连接到WebRTC服务器: {webrtc_url}")
+
+    # 启动生产者线程
+    producer_thread = threading.Thread(
+        target=webrtc_producer,
+        args=(webrtc_url,),
+        daemon=True,
+        name="webrtc-producer"
+    )
+
+    # 启动消费者线程
+    consumer_thread = threading.Thread(
+        target=frame_consumer(ip),
+        daemon=True,
+        name="frame-consumer"
+    )
+
+    producer_thread.start()
+    consumer_thread.start()
+    print("生产者和消费者线程已启动")
+
+    try:
+        # 保持主线程运行
+        while True:
+            time.sleep(1)
+    except KeyboardInterrupt:
+        print("程序正在退出...")
 
 
 if __name__ == "__main__":
-    # 替换为你的WHEP端点URL
-    WHEP_URL = "http://192.168.110.25:1985/rtc/v1/whep/?app=live&stream=473b95a47e338301cbd96809ea7ac416"
-
-    # 运行拉流任务
-    asyncio.run(whep_pull_video_stream(WHEP_URL))
+    # 示例用法
+    # 实际使用时替换为真实的WebRTC服务器地址
+    webrtc_server_url = "http://192.168.110.65:1985/rtc/v1/whep/?app=live&stream=677a4845aa48cb8526c811ad56fc5e60"
+    start_webrtc_stream(webrtc_server_url)