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ProjektAI/venv/Lib/site-packages/pygame/examples/overlay.py

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2020-04-20 22:51:16 +02:00
#!/usr/bin/env python
import sys
import pygame
from pygame.compat import xrange_
SR= (800,600)
ovl= None
########################################################################
# Simple video player
def vPlayer( fName ):
global ovl
f= open( fName, 'rb' )
fmt= f.readline().strip()
res= f.readline().strip()
col= f.readline().strip()
if fmt!= "P5":
print ('Unknown format( len %d ). Exiting...' % len( fmt ))
return
w,h= [ int(x) for x in res.split( ' ' ) ]
h= ( h* 2 )/ 3
# Read into strings
y= f.read( w*h )
u= []
v= []
for i in xrange_( 0, h/2 ):
u.append( f.read( w/2 ))
v.append( f.read( w/2 ))
u= ''.join(u)
v= ''.join(v)
# Open overlay with the resolution specified
ovl= pygame.Overlay(pygame.YV12_OVERLAY, (w,h))
ovl.set_location(0, 0, w, h)
ovl.display((y,u,v))
while 1:
pygame.time.wait(10)
for ev in pygame.event.get():
if ev.type in (pygame.KEYDOWN, pygame.QUIT):
return
def main(fname):
"""play video file fname"""
pygame.init()
try:
pygame.display.set_mode(SR)
vPlayer(fname)
finally:
pygame.quit()
# Test all modules
if __name__== '__main__':
if len( sys.argv )!= 2:
print ("Usage: play_file <file_pattern>")
else:
main(sys.argv[1])