import subprocess
from flask import Flask, Response
app = Flask(__name__)
def generate():
# FFmpeg command to capture the MJPEG stream without re-encoding.
command = [
'ffmpeg',
'-f', 'v4l2',
'-input_format', 'mjpeg', '-video_size', '1920x1080', '-framerate', '60.00',
'-i', '/dev/video0',
'-c', 'copy',
'-f', 'mjpeg',
'pipe:1'
]
# Start the FFmpeg subprocess.
process = subprocess.Popen(command, stdout=subprocess.PIPE, bufsize=10**8)
data = b""
while True:
# Read raw bytes from FFmpeg's stdout.
chunk = process.stdout.read(1024)
if not chunk:
break
data += chunk
# Look for complete JPEG frames by finding start and end markers.
while True:
start = data.find(b'\xff\xd8') # JPEG start
end = data.find(b'\xff\xd9') # JPEG end
if start != -1 and end != -1 and end > start:
# Extract the JPEG frame.
jpg = data[start:end+2]
data = data[end+2:]
# Yield the frame with the required multipart MJPEG boundaries.
yield (b'--frame\r\n'
b'Content-Type: image/jpeg\r\n\r\n' + jpg + b'\r\n')
else:
break
@app.route('/video_feed')
def video_feed():
# Set the MIME type to multipart so browsers render it as an MJPEG stream.
return Response(generate(), mimetype='multipart/x-mixed-replace; boundary=frame')
@app.route('/')
def index():
return """
Webcam Stream
Webcam Stream
"""
if __name__ == '__main__':
app.run(host='0.0.0.0', port=5000)