init

.venv/lib/python3.8/site-packages/pygame/examples/camera.py

@@ -0,0 +1,105 @@
+#!/usr/bin/env python
+""" pygame.examples.camera
+
+Basic image capturing and display using pygame.camera
+
+Keyboard controls
+-----------------
+
+- 0, start camera 0.
+- 1, start camera 1.
+- 9, start camera 9.
+- 10, start camera... wait a minute! There's not 10 key!
+"""
+import pygame as pg
+import pygame.camera
+
+
+class VideoCapturePlayer(object):
+
+    size = (640, 480)
+
+    def __init__(self, **argd):
+        self.__dict__.update(**argd)
+        super(VideoCapturePlayer, self).__init__(**argd)
+
+        # create a display surface. standard pygame stuff
+        self.display = pg.display.set_mode(self.size)
+        self.init_cams(0)
+
+    def init_cams(self, which_cam_idx):
+
+        # gets a list of available cameras.
+        self.clist = pygame.camera.list_cameras()
+        print(self.clist)
+
+        if not self.clist:
+            raise ValueError("Sorry, no cameras detected.")
+
+        try:
+            cam_id = self.clist[which_cam_idx]
+        except IndexError:
+            cam_id = self.clist[0]
+
+        # creates the camera of the specified size and in RGB colorspace
+        self.camera = pygame.camera.Camera(cam_id, self.size, "RGB")
+
+        # starts the camera
+        self.camera.start()
+
+        self.clock = pg.time.Clock()
+
+        # create a surface to capture to.  for performance purposes, you want the
+        # bit depth to be the same as that of the display surface.
+        self.snapshot = pg.surface.Surface(self.size, 0, self.display)
+
+    def get_and_flip(self):
+        # if you don't want to tie the framerate to the camera, you can check and
+        # see if the camera has an image ready.  note that while this works
+        # on most cameras, some will never return true.
+
+        self.snapshot = self.camera.get_image(self.display)
+
+        # if 0 and self.camera.query_image():
+        #     # capture an image
+
+        #     self.snapshot = self.camera.get_image(self.snapshot)
+
+        # if 0:
+        #     self.snapshot = self.camera.get_image(self.snapshot)
+        #     # self.snapshot = self.camera.get_image()
+
+        #     # blit it to the display surface.  simple!
+        #     self.display.blit(self.snapshot, (0, 0))
+        # else:
+
+        #     self.snapshot = self.camera.get_image(self.display)
+        #     # self.display.blit(self.snapshot, (0,0))
+
+        pg.display.flip()
+
+    def main(self):
+        going = True
+        while going:
+            events = pg.event.get()
+            for e in events:
+                if e.type == pg.QUIT or (e.type == pg.KEYDOWN and e.key == pg.K_ESCAPE):
+                    going = False
+                if e.type == pg.KEYDOWN:
+                    if e.key in range(pg.K_0, pg.K_0 + 10):
+                        self.init_cams(e.key - pg.K_0)
+
+            self.get_and_flip()
+            self.clock.tick()
+            pygame.display.set_caption(f"CAMERA! ({self.clock.get_fps():.2f} FPS)")
+
+
+def main():
+    pg.init()
+    pygame.camera.init()
+    VideoCapturePlayer().main()
+    pg.quit()
+
+
+if __name__ == "__main__":
+    main()