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#!/usr/bin/python
import subprocess
import shlex
import sys
last_video_pts = None
def handle(frame):
global last_video_pts
if frame['media_type'] == 'video':
if last_video_pts is not None and frame['pkt_pts_time'] <= last_video_pts:
print 'Out of order video frame %f is ahead of %f' % (frame['pkt_pts_time'], last_video_pts)
else:
print 'OK frame %f' % frame['pkt_pts_time']
last_video_pts = frame['pkt_pts_time']
p = subprocess.Popen(shlex.split('ffprobe -show_frames %s' % sys.argv[1]), stdin=None, stdout=subprocess.PIPE)
frame = dict()
while True:
l = p.stdout.readline()
if l == '':
break
l = l.strip()
if l == '[/FRAME]':
handle(frame)
frame = dict()
elif l != '[FRAME]' and l != '[SIDE_DATA]' and l != '[/SIDE_DATA]':
s = l.split('=')
if s[0] == 'pkt_pts_time':
frame[s[0]] = float(s[1])
else:
frame[s[0]] = s[1]
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