stream_mjpg.py

  Преобразовать html для блога:
http://www.elliotswan.com/postable/
  bash:
#!/bin/bash
echo " Преобразовать html код"
echo " например для blogger.com"
echo "  * * * нажать Enter чтобы продолжить * * *"
echo " Вставить html код..."
read T
truncate -s 0 /tmp/0.html
nano /tmp/0.html
sed 's/&/\&amp;/g; s/</\&lt;/g; s/>/\&gt;/g; s/"/\&quot;/g; s/'"'"'/\&#39;/g' /tmp/0.html > /tmp/1.html
cat /tmp/1.html


nano stream_mjpg.py
-----------------------------------------------
import picamera
import io
import logging
import socketserver
import datetime as dt
from threading import Condition
from http import server

PAGE="""\
<html>
<head>
<title>Raspberry Pi - My Camera</title>
</head>
<body>
<center><h1>Raspberry Pi - My Camera</h1></center>
<center><img src="stream.mjpg" width="960" height="580"></center>
</body>
</html>
"""

class StreamingOutput(object):
    def __init__(self):
        self.frame = None
        self.buffer = io.BytesIO()
        self.condition = Condition()

    def write(self, buf):
        if buf.startswith(b'\xff\xd8'):
            self.buffer.truncate()
            with self.condition:
                self.frame = self.buffer.getvalue()
                self.condition.notify_all()
            self.buffer.seek(0)
        return self.buffer.write(buf)
class StreamingHandler(server.BaseHTTPRequestHandler):
    def do_GET(self):
        if self.path == '/':
            self.send_response(301)
            self.send_header('Location', '/index.html')
            self.end_headers()
        elif self.path == '/index.html':
            content = PAGE.encode('utf-8')
            self.send_response(200)
            self.send_header('Content-Type', 'text/html')
            self.send_header('Content-Length', len(content))
            self.end_headers()
            self.wfile.write(content)
        elif self.path == '/stream.mjpg':
            self.send_response(200)
            self.send_header('Age', 0)
            self.send_header('Cache-Control', 'no-cache, private')
            self.send_header('Pragma', 'no-cache')
            self.send_header('Content-Type', 'multipart/x-mixed-replace; boundary=FRAME')
            self.end_headers()
            try:
                while True:
                    with output.condition:
                        output.condition.wait()
                        frame = output.frame
                    self.wfile.write(b'--FRAME\r\n')
                    self.send_header('Content-Type', 'image/jpeg')
                    self.send_header('Content-Length', len(frame))
                    self.end_headers()
                    self.wfile.write(frame)
                    self.wfile.write(b'\r\n')
            except Exception as e:
                logging.warning(
                    'Removed streaming client %s: %s',
                    self.client_address, str(e))
        else:
            self.send_error(404)
            self.end_headers()

class StreamingServer(socketserver.ThreadingMixIn, server.HTTPServer):
    allow_reuse_address = True
    daemon_threads = True


with picamera.PiCamera() as camera:
    output = StreamingOutput()
    camera.rotation = 180
    camera.color_effects = (128,128)
    camera.contrast = 60
    camera.brightness = 80
    camera.iso = 600
    camera.resolution = (1920, 1080)
    camera.framerate = 29
    camera.start_recording(output, format='mjpeg')

    try:
        address = ('', 8000)
        server = StreamingServer(address, StreamingHandler)
        server.serve_forever()
    finally:
        camera.stop_recording()

rec stream mjpg

#!/bin/bash
echo "`date +%H\ %M\ %S\ %N` bash start"
#if ping -c 1 172.28.253.4 2>&1> /dev/null
# then ssh lv@172.28.253.4 '/sh/rec-stream.sh' &
#     echo "`date +%H\ %M\ %S\ %N` lv rec stream start [OK]"
#fi

if ping -c 1 192.168.0.11 2>&1> /dev/null
 then ssh evg@192.168.0.11 '/sh/rec_stream.sh' &
      echo "`date +%H\ %M\ %S\ %N` asus rec stream start [OK]"
fi

#if ls /tmp/ | grep -oE "*.mp4" &>/dev/null
# then rm /tmp/*.mp4
#fi
#echo "`date +%H\ %M\ %S\ %N` rm .mp4 [OK]"

DATA=$(date +%Y-%m-%d_%H-%M-%S_%N)
echo "`date +%H\ %M\ %S\ %N` ffmpeg rec [OK]"

#ffmpeg -i http://127.0.0.1:8000/stream.mjpg -to 0:02 -c:v copy -c:a copy /tmp/$DATA.mp4 2> /dev/null
#echo "`date +%H\ %M\ %S\ %N` ffmpeg stop [OK]"

#if ls /var/www/html/mrtg/ | grep -oE "cam1.jpg" &>/dev/null
# then rm /var/www/html/mrtg/cam1.jpg
#fi
#echo "`date +%H\ %M\ %S\ %N` bash rm jpg [OK]"

ffmpeg -f MJPEG -y -i http://127.0.0.1:8000/stream.mjpg \
 -r 1 -vframes 1 -q:v 1 /var/www/html/mrtg/cam1.jpg 2> /dev/null
echo "`date +%H\ %M\ %S\ %N` frames [OK]"

convert /var/www/html/mrtg/cam1.jpg -background none -fill black -box 'white' -gravity South \
 -pointsize 20 -annotate +0+1050 $DATA /var/www/html/mrtg/cam.jpg
echo "`date +%H\ %M\ %S\ %N` image convert [OK]"

if ping -c 1 192.168.0.11 2>&1> /dev/null
 then scp /var/www/html/mrtg/cam.jpg evg@192.168.0.11:/1TB/.zm/v/$DATA.jpg 2>&1 > /dev/null &
      echo "`date +%H\ %M\ %S\ %N` scp 11 jpg [OK]"
fi
if ping -c 1 172.28.253.4 2>&1> /dev/null
 then scp /var/www/html/mrtg/cam.jpg lv@172.28.253.4:/a/$DATA.jpg 2>&1 > /dev/null &
      echo "`date +%H\ %M\ %S\ %N` scp  4 jpg [OK]"
fi

--------------------------------------------------------------
nano rec_stream.sh asus
#!/bin/bash
if ! ps aux | grep -v color | grep -v grep | grep -E ffmpeg &> /dev/null
 then DATA=$(date +%Y-%m-%d_%H-%M-%S_%N)
   ffmpeg -i http://192.168.0.4:8000/stream.mjpg \
   -to 0:10 -c:v copy -c:a copy /1TB/.zm/v/$DATA.mp4 2> /dev/null
fi