325 lines
No EOL
12 KiB
Python
325 lines
No EOL
12 KiB
Python
#!/usr/bin/env python3
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"""
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Enhanced webcam server that provides both RTSP streaming and HTTP snapshot endpoints
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Compatible with CMS UI requirements for camera configuration
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"""
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import cv2
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import threading
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import time
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import logging
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import socket
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from http.server import BaseHTTPRequestHandler, HTTPServer
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import subprocess
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import sys
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import os
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# Configure logging
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logging.basicConfig(
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level=logging.INFO,
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format="%(asctime)s [%(levelname)s] %(name)s: %(message)s"
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)
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logger = logging.getLogger("webcam_rtsp_server")
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# Global webcam capture object
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webcam_cap = None
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rtsp_process = None
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class WebcamHTTPHandler(BaseHTTPRequestHandler):
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"""HTTP handler for snapshot requests"""
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def do_GET(self):
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if self.path == '/snapshot' or self.path == '/snapshot.jpg':
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try:
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# Capture fresh frame from webcam for each request
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ret, frame = webcam_cap.read()
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if ret and frame is not None:
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# Encode as JPEG
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success, buffer = cv2.imencode('.jpg', frame, [cv2.IMWRITE_JPEG_QUALITY, 85])
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if success:
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self.send_response(200)
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self.send_header('Content-Type', 'image/jpeg')
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self.send_header('Content-Length', str(len(buffer)))
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self.send_header('Cache-Control', 'no-cache, no-store, must-revalidate')
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self.send_header('Pragma', 'no-cache')
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self.send_header('Expires', '0')
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self.end_headers()
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self.wfile.write(buffer.tobytes())
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logger.debug(f"Served webcam snapshot, size: {len(buffer)} bytes")
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return
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else:
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logger.error("Failed to encode frame as JPEG")
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else:
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logger.error("Failed to capture frame from webcam")
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# Send error response
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self.send_response(500)
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self.send_header('Content-Type', 'text/plain')
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self.end_headers()
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self.wfile.write(b'Failed to capture webcam frame')
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except Exception as e:
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logger.error(f"Error serving snapshot: {e}")
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self.send_response(500)
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self.send_header('Content-Type', 'text/plain')
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self.end_headers()
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self.wfile.write(f'Error: {str(e)}'.encode())
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elif self.path == '/status':
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# Status endpoint for health checking
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self.send_response(200)
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self.send_header('Content-Type', 'application/json')
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self.end_headers()
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width = int(webcam_cap.get(cv2.CAP_PROP_FRAME_WIDTH))
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height = int(webcam_cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
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fps = webcam_cap.get(cv2.CAP_PROP_FPS)
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status = f'{{"status": "online", "width": {width}, "height": {height}, "fps": {fps}}}'
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self.wfile.write(status.encode())
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else:
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# 404 for other paths
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self.send_response(404)
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self.send_header('Content-Type', 'text/plain')
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self.end_headers()
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self.wfile.write(b'Not Found - Available endpoints: /snapshot, /snapshot.jpg, /status')
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def log_message(self, format, *args):
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# Suppress default HTTP server logging to avoid spam
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pass
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def check_ffmpeg():
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"""Check if FFmpeg is available for RTSP streaming"""
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try:
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result = subprocess.run(['ffmpeg', '-version'],
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capture_output=True, text=True, timeout=5)
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if result.returncode == 0:
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logger.info("FFmpeg found and working")
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return True
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except (subprocess.TimeoutExpired, FileNotFoundError, subprocess.SubprocessError):
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pass
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logger.warning("FFmpeg not found. RTSP streaming will not be available.")
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logger.info("To enable RTSP streaming, install FFmpeg:")
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logger.info(" Windows: Download from https://ffmpeg.org/download.html")
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logger.info(" Linux: sudo apt install ffmpeg")
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logger.info(" macOS: brew install ffmpeg")
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return False
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def get_windows_camera_name():
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"""Get the actual camera device name on Windows"""
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try:
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# List video devices using FFmpeg with proper encoding handling
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result = subprocess.run(['ffmpeg', '-f', 'dshow', '-list_devices', 'true', '-i', 'dummy'],
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capture_output=True, text=True, timeout=10, encoding='utf-8', errors='ignore')
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output = result.stderr # FFmpeg outputs device list to stderr
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# Look for video devices in the output
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lines = output.split('\n')
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video_devices = []
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# Parse the output - look for lines with (video) that contain device names in quotes
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for line in lines:
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if '[dshow @' in line and '(video)' in line and '"' in line:
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# Extract device name between first pair of quotes
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start = line.find('"') + 1
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end = line.find('"', start)
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if start > 0 and end > start:
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device_name = line[start:end]
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video_devices.append(device_name)
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logger.info(f"Found Windows video devices: {video_devices}")
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if video_devices:
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# Force use the first device (index 0) which is the Logitech HD webcam
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return video_devices[0] # This will be "罗技高清网络摄像机 C930c"
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else:
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logger.info("No devices found via FFmpeg detection, using fallback")
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# Fall through to fallback names
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except Exception as e:
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logger.debug(f"Failed to get Windows camera name: {e}")
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# Try common camera device names as fallback
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# Prioritize Integrated Camera since that's what's working now
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common_names = [
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"Integrated Camera", # This is working for the current setup
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"USB Video Device", # Common name for USB cameras
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"USB2.0 Camera",
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"C930c", # Direct model name
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"HD Pro Webcam C930c", # Full Logitech name
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"Logitech", # Brand name
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"USB Camera",
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"Webcam"
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]
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logger.info(f"Using fallback camera names: {common_names}")
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return common_names[0] # Return "Integrated Camera" first
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def start_rtsp_stream(webcam_index=0, rtsp_port=8554):
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"""Start RTSP streaming using FFmpeg"""
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global rtsp_process
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if not check_ffmpeg():
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return None
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try:
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# Get the actual camera device name for Windows
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if sys.platform.startswith('win'):
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camera_name = get_windows_camera_name()
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logger.info(f"Using Windows camera device: {camera_name}")
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# FFmpeg command to stream webcam via RTSP
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if sys.platform.startswith('win'):
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cmd = [
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'ffmpeg',
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'-f', 'dshow',
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'-i', f'video={camera_name}', # Use detected camera name
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'-c:v', 'libx264',
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'-preset', 'veryfast',
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'-tune', 'zerolatency',
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'-r', '30',
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'-s', '1280x720',
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'-f', 'rtsp',
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f'rtsp://localhost:{rtsp_port}/stream'
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]
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elif sys.platform.startswith('linux'):
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cmd = [
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'ffmpeg',
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'-f', 'v4l2',
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'-i', f'/dev/video{webcam_index}',
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'-c:v', 'libx264',
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'-preset', 'veryfast',
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'-tune', 'zerolatency',
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'-r', '30',
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'-s', '1280x720',
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'-f', 'rtsp',
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f'rtsp://localhost:{rtsp_port}/stream'
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]
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else: # macOS
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cmd = [
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'ffmpeg',
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'-f', 'avfoundation',
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'-i', f'{webcam_index}:',
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'-c:v', 'libx264',
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'-preset', 'veryfast',
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'-tune', 'zerolatency',
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'-r', '30',
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'-s', '1280x720',
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'-f', 'rtsp',
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f'rtsp://localhost:{rtsp_port}/stream'
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]
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logger.info(f"Starting RTSP stream on rtsp://localhost:{rtsp_port}/stream")
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logger.info(f"FFmpeg command: {' '.join(cmd)}")
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rtsp_process = subprocess.Popen(
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cmd,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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text=True
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)
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# Give FFmpeg a moment to start
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time.sleep(2)
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# Check if process is still running
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if rtsp_process.poll() is None:
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logger.info("RTSP streaming started successfully")
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return rtsp_process
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else:
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# Get error output if process failed
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stdout, stderr = rtsp_process.communicate(timeout=2)
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logger.error("RTSP streaming failed to start")
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logger.error(f"FFmpeg stdout: {stdout}")
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logger.error(f"FFmpeg stderr: {stderr}")
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return None
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except Exception as e:
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logger.error(f"Failed to start RTSP stream: {e}")
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return None
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def get_local_ip():
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"""Get the Wireguard IP address for external access"""
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# Use Wireguard IP for external access
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return "10.101.1.4"
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def main():
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global webcam_cap, rtsp_process
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# Configuration - Force use index 0 for Logitech HD webcam
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webcam_index = 0 # Logitech HD webcam C930c (1920x1080@30fps)
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http_port = 8080
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rtsp_port = 8554
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logger.info("=== Webcam RTSP & HTTP Server ===")
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# Initialize webcam
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logger.info("Initializing webcam...")
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webcam_cap = cv2.VideoCapture(webcam_index)
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if not webcam_cap.isOpened():
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logger.error(f"Failed to open webcam at index {webcam_index}")
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logger.info("Try different webcam indices (0, 1, 2, etc.)")
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return
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# Set webcam properties - Use high resolution for Logitech HD webcam
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webcam_cap.set(cv2.CAP_PROP_FRAME_WIDTH, 1920)
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webcam_cap.set(cv2.CAP_PROP_FRAME_HEIGHT, 1080)
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webcam_cap.set(cv2.CAP_PROP_FPS, 30)
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width = int(webcam_cap.get(cv2.CAP_PROP_FRAME_WIDTH))
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height = int(webcam_cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
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fps = webcam_cap.get(cv2.CAP_PROP_FPS)
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logger.info(f"Webcam initialized: {width}x{height} @ {fps}fps")
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# Get local IP for CMS configuration
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local_ip = get_local_ip()
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# Start RTSP streaming (optional, requires FFmpeg)
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rtsp_process = start_rtsp_stream(webcam_index, rtsp_port)
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# Start HTTP server for snapshots
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server_address = ('0.0.0.0', http_port) # Bind to all interfaces
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http_server = HTTPServer(server_address, WebcamHTTPHandler)
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logger.info("\n=== Server URLs for CMS Configuration ===")
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logger.info(f"HTTP Snapshot URL: http://{local_ip}:{http_port}/snapshot")
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if rtsp_process:
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logger.info(f"RTSP Stream URL: rtsp://{local_ip}:{rtsp_port}/stream")
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else:
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logger.info("RTSP Stream: Not available (FFmpeg not found)")
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logger.info("HTTP-only mode: Use Snapshot URL for camera input")
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logger.info(f"Status URL: http://{local_ip}:{http_port}/status")
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logger.info("\n=== CMS Configuration Suggestions ===")
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logger.info(f"Camera Identifier: webcam-local-01")
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logger.info(f"RTSP Stream URL: rtsp://{local_ip}:{rtsp_port}/stream")
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logger.info(f"Snapshot URL: http://{local_ip}:{http_port}/snapshot")
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logger.info(f"Snapshot Interval: 2000 (ms)")
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logger.info("\nPress Ctrl+C to stop all servers")
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try:
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# Start HTTP server
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http_server.serve_forever()
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except KeyboardInterrupt:
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logger.info("Shutting down servers...")
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finally:
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# Clean up
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if webcam_cap:
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webcam_cap.release()
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if rtsp_process:
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logger.info("Stopping RTSP stream...")
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rtsp_process.terminate()
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try:
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rtsp_process.wait(timeout=5)
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except subprocess.TimeoutExpired:
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rtsp_process.kill()
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http_server.server_close()
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logger.info("All servers stopped")
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if __name__ == "__main__":
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main() |