import sys
AUDIO_STREAM = "1"
-types = ['audio']
+types = ['video']
+VIDEO_RATE = 29.97
last_video = None
last_video_pts = None
last_audio_pts = {}
last_channels = {}
+video_frame_count = 0
+
def check_pts_dts(frame):
diff = frame['pkt_pts_time'] - frame['pkt_dts_time']
if abs(diff) > 1e-8:
global last_video
global last_video_pts
global last_audio_pts
+ global video_frame_count
if frame['media_type'] == 'video' and 'video' in types:
if last_video_pts is not None and frame['pkt_pts_time'] <= last_video_pts:
print 'Out of order video frame %f (%d) is same as or behind %f (%d)' % (frame['pkt_pts_time'], frame['pkt_pts'], last_video_pts, last_video)
- elif last_video_pts is not None:
- print 'OK V frame %f %f %f %f %d' % (frame['pkt_pts_time'], frame['pkt_dts_time'], frame['pkt_pts_time'] - last_video_pts, 1 / (frame['pkt_pts_time'] - last_video_pts), frame['pkt_size'])
+ elif last_video_pts is not None and frame['pkt_dts_time'] != "N/A":
+ print 'OK V frame %f %f %f %f %d indices %d/%d' % (frame['pkt_pts_time'], frame['pkt_dts_time'], frame['pkt_pts_time'] - last_video_pts, 1 / (frame['pkt_pts_time'] - last_video_pts), frame['pkt_size'], video_frame_count, frame['pkt_pts_time'] * VIDEO_RATE)
check_pts_dts(frame)
else:
- print 'OK V frame %f' % (frame['pkt_pts_time'])
+ print 'OK V frame %f counted %d' % (frame['pkt_pts_time'], video_frame_count)
last_video = frame['pkt_pts']
last_video_pts = frame['pkt_pts_time']
+ video_frame_count += 1
elif frame['media_type'] == 'audio' and 'audio' in types:
stream_index = frame['stream_index']
if stream_index in last_audio_pts and (stream_index == AUDIO_STREAM or AUDIO_STREAM is None):
frame = dict()
elif l != '[FRAME]' and l != '[SIDE_DATA]' and l != '[/SIDE_DATA]':
s = l.split('=')
- if s[0] in ['pkt_pts_time', 'pkt_dts_time', 'pkt_pts', 'pkt_dts']:
+ if s[0] in ['pkt_pts_time', 'pkt_dts_time', 'pkt_pts', 'pkt_dts'] and s[1] != "N/A":
frame[s[0]] = float(s[1])
- elif s[0] in ['channels', 'pkt_size', 'nb_samples']:
- frame[s[0]] = int(s[1])
+ elif s[0] in ['channels', 'pkt_size', 'nb_samples']:
+ frame[s[0]] = int(s[1])
elif len(s) > 1:
frame[s[0]] = s[1]
+
+print("Video frames=%d" % video_frame_count)
+print("Average frame rate=%f" % (video_frame_count / last_video_pts))