MJ : rtsp stream to rtmp stream by python.

rtspToRtmp.py

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+import cv2
+import subprocess
+
+#这种方式容易出现broken pipe，优化详见cameraToRtmp.py
+
+rtsp = "rtsp://192.168.0.10/live/live0"
+rtmp = 'rtmp://192.168.0.30:1935/live/movie'
+
+# 读取视频并获取属性
+cap = cv2.VideoCapture(rtsp)
+size = (int(cap.get(cv2.CAP_PROP_FRAME_WIDTH)), int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT)))
+sizeStr = str(size[0]) + 'x' + str(size[1])
+print(sizeStr)
+
+command = ['ffmpeg',
+    '-y', '-an',
+    '-f', 'rawvideo',
+    '-vcodec','rawvideo',
+    '-pix_fmt', 'bgr24',
+    '-s', sizeStr,
+    '-r', '25',
+    '-i', '-',
+    '-c:v', 'libx264',
+    '-pix_fmt', 'yuv420p',
+    '-preset', 'ultrafast',
+    '-f', 'flv',
+    rtmp]
+ 
+pipe = subprocess.Popen(command
+    , shell=False
+    , stdin=subprocess.PIPE
+)
+ 
+while cap.isOpened():
+    success,frame = cap.read()
+    if success:
+        #'''
+		#对frame进行识别处理
+		#'''
+        if cv2.waitKey(1) & 0xFF == ord('q'):
+            break    
+        pipe.stdin.write(frame.tostring())
+ 
+cap.release()
+pipe.terminate()