start and save recording done

AttendanceApp/api.py

@@ -10,6 +10,7 @@ from rest_framework.views import APIView
 from rest_framework.parsers import MultiPartParser, FormParser
 
 from . import record
+from . import test as t
 
 from rest_framework.views import *
 
@@ -171,3 +172,29 @@ class InitiateLecture(APIView):
         return Response({
             "response": "success"
         })
+
+class stopRecording(APIView):
+    def get(self, request):
+        t.isStop = 1
+        return Response({
+            "response": "stopped"
+        })
+    def post(self, request):
+        pass
+
+# test method (delete later)
+class TestAPI(APIView):
+
+    def get(self, request):
+        t.isStop = 0
+        param = request.query_params.get('param')
+
+        # t.test()
+        t.IPWebcamTest()
+
+        return Response({
+            "response": "started"
+        })
+
+    def post(self, request):
+        pass
\ No newline at end of file

AttendanceApp/templates/AttendanceApp/Initiate_Lecture.html

@@ -43,6 +43,50 @@ function toggleLectureLive() {
     y.style.display = "none";
   }
 }
+var timer = false;
+//this is a test function
+function testAPI() {
+    timer = true
+    startTimer()
+    let param = 'sachith';
+    //call the API
+    fetch('http://127.0.0.1:8000/attendance/test-api/?param=' + param)
+    .then((res) => res.json())
+    .then((out) => {})
+    .catch((err) => alert('error: ' + err));
+
+}
+var time = 'time';
+function f() {
+    let param = 'sachith';
+    //call the API
+    fetch('http://127.0.0.1:8000/attendance/stop-api/?param=' + param)
+    .then((res) => res.json())
+    .then((out) => {
+        timer = false
+        startTimer();
+    })
+    .catch((err) => alert('error: ' + err));
+}
+
+function startTimer() {
+    var min = 0;
+    var seconds = 0;
+    if (timer) {
+        var sec = 0;
+        function pad ( val ) { return val > 9 ? val : "0" + val; }
+        setInterval( function(){
+            min = pad(parseInt(sec/60,10));
+            seconds = pad(++sec%60)
+            document.getElementById("seconds").innerHTML=pad(++sec%60);
+            document.getElementById("minutes").innerHTML=pad(parseInt(sec/60,10));
+        }, 1000);
+    } else {
+            document.getElementById("secondsStop").innerHTML=seconds;
+            document.getElementById("minutesStop").innerHTML=min;
+    }
+}
+
 </script>
 
 {% endblock %}
@@ -60,13 +104,21 @@ function toggleLectureLive() {
 
                     <div class="card-body">
                         <button type="button" class="btn btn-success" id="initiate_btn" onclick="toggleLectureLive()">Show Live Stream</button>
+{#                        <button type="button" class="btn btn-success" id="test_btn" onclick="testAPI()">Test</button>#}
                     </div>
+                    <span id="minutes"></span>:<span id="seconds"></span>
+                    <span id="minutesStop"></span>:<span id="secondsStop"></span>
                     <div style="vertical-align: middle; border-style: none; background-color: #055270; height: 500px; width: 100%">
                         <div class="row justify-content-center">
                             <img id="liveStreamLecture" style="display: none; height: inherit; margin-bottom: -25px;" src="{% url 'webcam_feed' %}">
                         </div>
                         <div class="row justify-content-center">
-                            <button style="display: none; width: 70px; height: 70px;" id="liveStreamLectureStartButton" class="btn btn-warning btn-circle"><i class="fas fa-video"></i></button>
+                            <div class="col">
+                                <button style="display: none; width: 70px; height: 70px;" id="liveStreamLectureStartButton" class="btn btn-warning btn-circle" onclick="testAPI()"><i class="fas fa-video"></i></button>
+                            </div>
+                            <div class="col">
+                                <button style="display: block; width: 70px; height: 70px;" id="liveStreamLectureStartButton" class="btn btn-warning btn-circle" onclick="f()"><i class="fas fa-square"></i></button>
+                            </div>
                         </div>
                     </div>
                 </div>

AttendanceApp/test.py

+
+import urllib3
+import urllib.request as req
+import cv2
+import numpy as np
+import time
+
+isStop = 0
+
+
+def IPWebcamTest():
+
+    # Replace the URL with your own IPwebcam shot.jpg IP:port
+    # url = 'http://192.168.2.35:8080/shot.jpg'
+    url = 'http://192.168.8.103:8080/shot.jpg'
+    # url = 'http://192.168.1.11:8080/startvideo?force=1&tag=rec'
+    # url = 'http://192.168.1.11:8080/stopvideo?force=1'
+
+    size = (600, 600)
+
+    vid_cod = cv2.VideoWriter_fourcc(*'XVID')
+    # vid_cod = cv2.VideoWriter_fourcc('M', 'J', 'P', 'G')
+    # output = cv2.VideoWriter("cam_video.avi", vid_cod, 20.0, (640, 480))
+    # output = cv2.VideoWriter("cam_video.mp4", vid_cod, 20.0, size)
+    output = cv2.VideoWriter("cam_video.mp4", vid_cod, 10.0, size)
+
+    no_of_frames = 0
+
+    while True:
+        # Use urllib to get the image from the IP camera
+        imgResp = req.urlopen(url)
+        # imgResp = urllib3.respon
+
+        # Numpy to convert into a array
+        imgNp = np.array(bytearray(imgResp.read()), dtype=np.uint8)
+
+        # Finally decode the array to OpenCV usable format ;)
+        img = cv2.imdecode(imgNp, -1)
+        # resize the image
+        img = cv2.resize(img, (600, 600))
+
+        # put the image on screen
+        # cv2.imshow('IPWebcam', img)
+
+        # write to the output writer
+        output.write(img)
+
+        # To give the processor some less stress
+        # time.sleep(0.1)
+        # time.sleep(1)
+
+        no_of_frames += 1
+        if isStop == 1:
+            break
+
+    # imgResp.release()
+    # cv2.destroyAllWindows()
+    print('no of frames: ', no_of_frames)
\ No newline at end of file

AttendanceApp/urls.py

@@ -2,7 +2,7 @@ from django.urls import path
 from .api import student_list, student_detail, subject_list, subject_detail, attendance_list, StudentAPIView, \
     StudentDetails
 from django.conf.urls import url
-from .api import FileView, InitiateLecture
+from .api import *
 from . import views
 
 urlpatterns = [
@@ -19,5 +19,10 @@ urlpatterns = [
     url(r'^upload/$', FileView.as_view(), name='file-upload'),
     path('webcam_feed', views.webcam_feed, name='webcam_feed'),
     # this url will initiate the lecture
-    url(r'^process-initiate-lecture/$', InitiateLecture.as_view())
+    url(r'^process-initiate-lecture/$', InitiateLecture.as_view()),
+
+    # this url will be used for testing
+    url(r'^test-api/$', TestAPI.as_view()),
+    url(r'^stop-api/$', stopRecording.as_view())
+
 ]

AttendanceApp/views.py

 from django.shortcuts import render
 from django.http.response import StreamingHttpResponse
 from AttendanceApp.camera import IPWebCam
+from FirstApp.MongoModels import LectureVideo
+from FirstApp.serializers import LectureVideoSerializer
 
 
 def initiate_lecture(request):
 
+    lecture_video = LectureVideo.objects.all()
+    lecture_video_ser = LectureVideoSerializer(lecture_video, many=True)
+
+    print('lecture video data: ', lecture_video_ser.data)
+
     return render(request, "AttendanceApp/Initiate_lecture.html")
 
+
 def gen(camera):
-	while True:
-		frame = camera.get_frame()
-		yield (b'--frame\r\n'
-				b'Content-Type: image/jpeg\r\n\r\n' + frame + b'\r\n\r\n')
+    while True:
+        frame = camera.get_frame()
+        yield (b'--frame\r\n'
+               b'Content-Type: image/jpeg\r\n\r\n' + frame + b'\r\n\r\n')
+
 
 def webcam_feed(request):
-	return StreamingHttpResponse(gen(IPWebCam()),
-					content_type='multipart/x-mixed-replace; boundary=frame')
+    return StreamingHttpResponse(gen(IPWebCam()),
+                                 content_type='multipart/x-mixed-replace; boundary=frame')
\ No newline at end of file