question about time

"Waitman Gobble" <[email protected]> Fri, 24 Aug 2012 23:01:36 -0700 (PDT)
Newsgroups gmane.comp.video.xine.user
Message-ID <[email protected]>
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Hi,

using xine-lib-1.2.2 and xine (X11 gui) v0.99.7.
FreeBSD hunny.waitman.net 10.0-CURRENT FreeBSD 10.0-CURRENT #0: Sat Aug 11 13:25:18 PDT 2012     [email protected]:/usr/obj/usr/src/sys/KEYSHIA  amd64


When I play an MPEG video I've notice that the time seems off. For example, a video that's just over 6 minutes long - xine gui says has a 33 second duration.

If I take a look at the values using the libxine, ie pos_stream, pos_time, length_time, the length_time is '33639' (00:00:33.639)
        
MVI_0087.mpeg|201|103|33639|00:00:00.103|00:00:33.639|
MVI_0087.mpeg|490|251|33639|00:00:00.251|00:00:33.639|
MVI_0087.mpeg|9335|4791|33639|00:00:04.791|00:00:33.639|


here's ffmpeg info for same video:

Duration: 00:06:35.94, start: 1.000000, bitrate: 37423 kb/s
Stream #0.0[0x1e0]: Video: mpeg1video, yuv420p, 1280x720 [PAR 1:1 DAR 16:9], 104857 kb/s, 59.96 fps, 59.94 tbr, 90k tbn, 59.94 tbc
Stream #0.1[0x1c0]: Audio: mp2, 48000 Hz, stereo, s16, 64 kb/s

If there isn't a way around it, maybe I can use the ratio and calculate a time.. for example, 4791/33639 ~ 14.24%, so about 56 seconds into the video. (instead of reported "4.791 seconds").

Any idea why the reported time seem to be way off? It would be great for me to track this down.

Thank you.

-- 
Waitman Gobble
San Jose California USA

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