[FFmpeg-trac] #2406(undetermined:new): ffmpeg cache protocol bug?

FFmpeg trac at avcodec.org
Tue Mar 26 16:45:41 CET 2013


#2406: ffmpeg cache protocol bug?
--------------------------------------+----------------------------------
             Reporter:  testn         |                     Type:  defect
               Status:  new           |                 Priority:  normal
            Component:  undetermined  |                  Version:  1.2
             Keywords:                |               Blocked By:
             Blocking:                |  Reproduced by developer:  0
Analyzed by developer:  0             |
--------------------------------------+----------------------------------
 Summary of the bug:

 It looks like the duration is incorrect if cache protocol is used. (cache
 00:00:03.71 vs file 00:02:25.68 )

 How to reproduce:
 {{{
 $ ffprobe "file:///Users/xxxx/Downloads/Videos/Hellboy.ts"
 [mpeg2video @ 0x7fc6e9015600] 0x0 is invalid
     Last message repeated 29 times
 [mpegts @ 0x7fc6e900d000] PES packet size mismatch
 Input #0, mpegts, from 'file:///Users/xxxx/Downloads/Videos/Hellboy.ts':
   Duration: 00:02:25.68, start: 41174.341300, bitrate: 10882 kb/s
   Program 1
     Stream #0:0[0x10]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002),
 yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 29.42 fps, 59.94 tbr, 90k tbn,
 59.94 tbc
     Stream #0:1[0x11](eng): Audio: ac3 ([129][0][0][0] / 0x0081), 48000
 Hz, stereo, fltp, 384 kb/s

 $ cat ~/Downloads/Videos/Hellboy.ts |  ffprobe "cache:pipe:0"
 [mpeg2video @ 0x7fd4f9815600] 0x0 is invalid
     Last message repeated 29 times
 Input #0, mpegts, from 'cache:pipe:0':
   Duration: 00:00:03.71, start: 41174.341300, bitrate: 11763 kb/s
   Program 1
     Stream #0:0[0x10]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002),
 yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 29.42 fps, 59.94 tbr, 90k tbn,
 59.94 tbc
     Stream #0:1[0x11](eng): Audio: ac3 ([129][0][0][0] / 0x0081), 48000
 Hz, stereo, fltp, 384 kb/s

 }}}
 Patches should be submitted to the ffmpeg-devel mailing list and not this
 bug tracker.

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2406>
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