pygame/cv2 update

Author: furas

cv2/Notes.md

@@ -0,0 +1,4 @@
+Streaming CV2 with HTTP
+
+https://stackoverflow.com/questions/55539599/gstreaming-over-http-using-python-and-opencv?noredirect=1#comment97788169_55539599
+

cv2/pygame-CV/README.md

@@ -0,0 +1 @@
+See in [pygame/cv-stream](../../pygame/cv-stream)

pygame/cv2-stream/READM.md

@@ -0,0 +1,5 @@
+This code use cv2 to get stream and PyGame to display it.
+
+One version blits directly on `screen` so window must have the same size as stream.
+
+Other version blits on `Surface` and later blit `Surface` on `screen` so window may have different size.

pygame/cv2-stream/main-1-full-window.py

@@ -0,0 +1,61 @@
+
+# date: 2019.04.06
+#
+# This version displays directly on screen so window must have the same size as stream
+
+
+import pygame
+import cv2
+
+# --- local (built-in) camera ---
+#stream = 0
+
+# --- local file ---
+#stream = '2019-03-26_08-43-15.mkv'
+
+# --- http stream ---
+# doesn't work any more
+#stream = 'http://media.dumpert.nl/tablet/9f7c6290_Verstappen_vs._Rosberg_with_Horner_Smile___Streamable.mp4.mp4.mp4'
+
+# --- rtsp stream ---
+#stream = 'rtsp://streaming1.osu.edu/media2/ufsap/ufsap.mov'
+
+# --- rtmp stream ---
+# Big Buck Bunny
+stream = 'rtmp://184.72.239.149/vod/mp4:bigbuckbunny_1500.mp4'
+
+cap = cv2.VideoCapture(stream)
+
+ret, img = cap.read()
+if not ret:
+    print("Can't read stream")
+    #exit()
+
+#img = cv2.rotate(img, cv2.ROTATE_90_COUNTERCLOCKWISE)
+img = cv2.transpose(img)
+print('shape:', img.shape)
+
+pygame.init()
+
+screen = pygame.display.set_mode((img.shape[0], img.shape[1]))
+
+running = True
+while running:
+    for event in pygame.event.get():
+        if event.type == pygame.QUIT:
+            running = False
+            
+    ret, img = cap.read()
+    if not ret:
+        running = False
+        break
+    else:
+        #img = cv2.rotate(img, cv2.ROTATE_90_CLOCKWISE)
+        #img = cv2.rotate(img, cv2.ROTATE_90_COUNTERCLOCKWISE)
+        img = cv2.transpose(img)
+    
+        pygame.surfarray.blit_array(screen, img)
+
+    pygame.display.flip()
+
+pygame.quit()

pygame/cv2-stream/main-2-window-different-size.py

@@ -0,0 +1,64 @@
+
+# date: 2019.04.06
+#
+# This version displays directly on screen so window must have the same size as stream
+
+
+import pygame
+import cv2
+
+# --- local (built-in) camera ---
+#stream = 0
+
+# --- local file ---
+#stream = '2019-03-26_08-43-15.mkv'
+
+# --- http stream ---
+# doesn't work any more
+#stream = 'http://media.dumpert.nl/tablet/9f7c6290_Verstappen_vs._Rosberg_with_Horner_Smile___Streamable.mp4.mp4.mp4'
+
+# --- rtsp stream ---
+#stream = 'rtsp://streaming1.osu.edu/media2/ufsap/ufsap.mov'
+
+# --- rtmp stream ---
+# Big Buck Bunny
+stream = 'rtmp://184.72.239.149/vod/mp4:bigbuckbunny_1500.mp4'
+
+cap = cv2.VideoCapture(stream)
+
+ret, img = cap.read()
+if not ret:
+    print("Can't read stream")
+    #exit()
+
+#img = cv2.rotate(img, cv2.ROTATE_90_COUNTERCLOCKWISE)
+img = cv2.transpose(img)
+print('shape:', img.shape)
+
+pygame.init()
+
+screen = pygame.display.set_mode((800, 600))
+surface = pygame.surface.Surface((img.shape[0], img.shape[1]))
+
+running = True
+while running:
+    for event in pygame.event.get():
+        if event.type == pygame.QUIT:
+            running = False
+            
+    ret, img = cap.read()
+    if not ret:
+        running = False
+        break
+    else:
+        #img = cv2.rotate(img, cv2.ROTATE_90_CLOCKWISE)
+        #img = cv2.rotate(img, cv2.ROTATE_90_COUNTERCLOCKWISE)
+        img = cv2.transpose(img)
+    
+        pygame.surfarray.blit_array(surface, img)
+        screen.blit(surface, (0,0))
+    
+    pygame.display.flip()
+
+pygame.quit()
+

pygame/socket-send-receive-image/Notes.md

@@ -0,0 +1,4 @@
+Streaming CV2 with HTTP
+
+https://stackoverflow.com/questions/55539599/gstreaming-over-http-using-python-and-opencv?noredirect=1#comment97788169_55539599
+

pygame/socket-send-receive-image/README.md

@@ -2,7 +2,7 @@ Server uses loop to send image with current time.
 In every loop first it sends 4 bytes with image's size and later it sends image.
 
 Client uses loop to receive image with current time (and display it).  
-In every loop first it receives 4 bytes wiht image's size and later it uses this information 
+In every loop first it receives 4 bytes with image's size and later it uses this information 
 to receive image in chunks.