[FFmpeg-trac] #1438(FFmpeg:new): problems with using -ss option when transcoding from *.vob to *.avi

FFmpeg trac at avcodec.org
Mon Jun 11 00:11:32 CEST 2012


#1438: problems with using -ss option when transcoding from *.vob to *.avi
-------------------------------------+-------------------------------------
             Reporter:               |                     Type:  defect
  superandrzej                       |                 Priority:  normal
               Status:  new          |                  Version:
            Component:  FFmpeg       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 I am trying to transcode from *.vob to *.avi.
 As long as I don't use -ss option everything works as expected.
 With -ss option ffmpeg exits with following error:

 [ac3 @ 0xa0c75a0] frame sync error
 Error while decoding stream #0:9
 [mpeg @ 0xa0133c0] Adjusting PTS forward
     Last message repeated 27 times
 frame=    0 fps=0.0 q=0.0 Lsize=      27kB time=00:-17:-25.-89 bitrate=
 -0.2kbits/s dup=0 drop=7
 video:0kB audio:16kB global headers:0kB muxing overhead 65.411932%

 The command line that I use is:
 ffmpeg -ss 0:17:47 -t 01:28:48.4 -i '/A/film.vob' '/A/film.avi'


 The information about input file:
 -> ffmpeg -v 9 -loglevel 99 -i '/A/film.vob'
 ffmpeg version 0.11.1 Copyright (c) 2000-2012 the FFmpeg developers
   built on Jun  9 2012 00:17:30 with gcc 4.6.2
   configuration: --cpu=i686 --prefix=/usr --disable-static --enable-shared
 --enable-gpl --enable-version3 --disable-ffserver --enable-x11grab
 --disable--amrnb --enable-libopencore-amrwb --enable-libmp3lame --enable-
 libtheora
   libavutil      51. 54.100 / 51. 54.100
   libavcodec     54. 23.100 / 54. 23.100
   libavformat    54.  6.100 / 54.  6.100
   libavdevice    54.  0.100 / 54.  0.100
   libavfilter     2. 77.100 /  2. 77.100
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0. 15.100 /  0. 15.100
   libpostproc    52.  0.100 / 52.  0.100
 [mpeg @ 0x906f3c0] Format mpeg probed with size=8192 and score=52
 [mpeg @ 0x906f3c0] File position before avformat_find_stream_info() is 0
 [mpeg @ 0x906f3c0] probing stream 0 pp:2500
 [mpeg @ 0x906f3c0] Probe with size=2012, packets=1 detected mpegvideo with
 score=25
 [mpeg @ 0x906f3c0] probing stream 0 pp:2499
 [mpeg @ 0x906f3c0] Probe with size=4037, packets=2 detected mpegvideo with
 score=25
 [mpeg @ 0x906f3c0] probing stream 0 pp:2498
 [mpeg @ 0x906f3c0] Probe with size=6062, packets=3 detected mpegvideo with
 score=25
 [mpeg @ 0x906f3c0] probing stream 0 pp:2497
 [mpeg @ 0x906f3c0] probing stream 0 pp:2496
 [mpeg @ 0x906f3c0] Probe with size=10112, packets=5 detected mpegvideo
 with score=51
 [mpeg @ 0x906f3c0] probed stream 0
 [mpeg @ 0x906f3c0] first_dts 22254 not matching first dts 29454 in que
     Last message repeated 3 times
 [mpeg @ 0x906f3c0] first_dts 22254 not matching first dts 47454 in que
     Last message repeated 2 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 31614 in que
     Last message repeated 1 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 34494 in que
     Last message repeated 2 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 40254 in que
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 46014 in que
     Last message repeated 4 times
 [mpeg @ 0x906f3c0] first_dts 22254 not matching first dts 65454 in que
 [mpeg @ 0x906f3c0] first_dts 22254 not matching first dts 72654 in que
     Last message repeated 3 times
 [mpeg @ 0x906f3c0] first_dts 22254 not matching first dts 90654 in que
     Last message repeated 2 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 48894 in que
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 54654 in que
     Last message repeated 1 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 57534 in que
     Last message repeated 2 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 63294 in que
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 69054 in que
     Last message repeated 4 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 77694 in que
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 74814 in que
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 83454 in que
     Last message repeated 4 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 92094 in que
     Last message repeated 1 times
 [mpeg @ 0x906f3c0] first_dts 22254 not matching first dts 108654 in que
 [mpeg @ 0x906f3c0] first_dts 22254 not matching first dts 115854 in que
     Last message repeated 3 times
 [mpeg @ 0x906f3c0] first_dts 22254 not matching first dts 133854 in que
     Last message repeated 2 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 94974 in que
     Last message repeated 2 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 100734 in que
     Last message repeated 1 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 106494 in que
     Last message repeated 4 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 115134 in que
     Last message repeated 1 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 118014 in que
     Last message repeated 2 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 123774 in que
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 126654 in que
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 129534 in que
     Last message repeated 4 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 138174 in que
 [mpeg @ 0x906f3c0] first_dts 22254 not matching first dts 151854 in que
 [mpeg @ 0x906f3c0] first_dts 22254 not matching first dts 159054 in que
     Last message repeated 3 times
 [mpeg @ 0x906f3c0] first_dts 22254 not matching first dts 177054 in que
     Last message repeated 2 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 143934 in que
     Last message repeated 4 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 152574 in que
     Last message repeated 2 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 155454 in que
     Last message repeated 2 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 161214 in que
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 166974 in que
     Last message repeated 4 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 175614 in que
     Last message repeated 1 times
 [mpeg @ 0x906f3c0] first_dts 22254 not matching first dts 198654 in que
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 178494 in que
     Last message repeated 3 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 184254 in que
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 190014 in que
     Last message repeated 4 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 198654 in que
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 204414 in que
     Last message repeated 5 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 213054 in que
     Last message repeated 1 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 215934 in que
     Last message repeated 2 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 221694 in que
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 227454 in que
     Last message repeated 4 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 230334 in que
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 236094 in que
     Last message repeated 1 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 238974 in que
     Last message repeated 2 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 244734 in que
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 250494 in que
     Last message repeated 4 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 259134 in que
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 256254 in que
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 264894 in que
     Last message repeated 4 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 273534 in que
     Last message repeated 1 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 276414 in que
     Last message repeated 2 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 282174 in que
     Last message repeated 1 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 287934 in que
     Last message repeated 4 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 296574 in que
     Last message repeated 1 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 299454 in que
     Last message repeated 2 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 305214 in que
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 308094 in que
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 310974 in que
     Last message repeated 4 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 319614 in que
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 325374 in que
     Last message repeated 4 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 334014 in que
     Last message repeated 2 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 336894 in que
     Last message repeated 2 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 342654 in que
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 348414 in que
     Last message repeated 4 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 357054 in que
     Last message repeated 1 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 359934 in que
     Last message repeated 3 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 365694 in que
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 371454 in que
     Last message repeated 4 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 380094 in que
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 385854 in que
     Last message repeated 5 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 394494 in que
     Last message repeated 1 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 397374 in que
     Last message repeated 2 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 403134 in que
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 408894 in que
     Last message repeated 4 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 411774 in que
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 417534 in que
     Last message repeated 1 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 420414 in que
     Last message repeated 2 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 426174 in que
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 431934 in que
     Last message repeated 4 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 440574 in que
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 437694 in que
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 446334 in que
     Last message repeated 4 times
 [mpeg @ 0x906f3c0] first_dts 25854 not matching first dts 454974 in que
     Last message repeated 1 times
 [mpeg @ 0x906f3c0] max_analyze_duration 5000000 reached at 5000000
 [mpeg @ 0x906f3c0] File position after avformat_find_stream_info() is 0
 Input #0, mpeg, from '/A/film.vob':
   Duration: 00:00:21.02, start: 0.287267, bitrate: -2147483 kb/s
     Stream #0:0[0x1e0], 127, 1/90000: Video: mpeg2video (Main), yuv420p,
 720x576 [SAR 64:45 DAR 16:9], 1/50, 9800 kb/s, 25 fps, 25 tbr, 90k tbn, 50
 tbc
     Stream #0:1[0x20], 1, 1/90000: Subtitle: dvd_subtitle
     Stream #0:2[0x21], 1, 1/90000: Subtitle: dvd_subtitle
     Stream #0:3[0x22], 1, 1/90000: Subtitle: dvd_subtitle
     Stream #0:4[0x23], 1, 1/90000: Subtitle: dvd_subtitle
     Stream #0:5[0x24], 1, 1/90000: Subtitle: dvd_subtitle
     Stream #0:6[0x25], 1, 1/90000: Subtitle: dvd_subtitle
     Stream #0:7[0x26], 1, 1/90000: Subtitle: dvd_subtitle
     Stream #0:8[0x27], 1, 1/90000: Subtitle: dvd_subtitle
     Stream #0:9[0x80], 149, 1/90000: Audio: ac3, 48000 Hz, 5.1(side), s16,
 448 kb/s
     Stream #0:10[0x81], 149, 1/90000: Audio: ac3, 48000 Hz, 5.1(side),
 s16, 384 kb/s
     Stream #0:11[0x82], 149, 1/90000: Audio: ac3, 48000 Hz, 5.1(side),
 s16, 384 kb/s
     Stream #0:12[0x83], 149, 1/90000: Audio: ac3, 48000 Hz, 5.1(side),
 s16, 384 kb/s
     Stream #0:13[0x84], 152, 1/90000: Audio: ac3, 48000 Hz, stereo, s16,
 192 kb/s
     Stream #0:14[0x28], 1, 1/90000: Subtitle: dvd_subtitle
     Stream #0:15[0x29], 1, 1/90000: Subtitle: dvd_subtitle
     Stream #0:16[0x2a], 1, 1/90000: Subtitle: dvd_subtitle
 At least one output file must be specified



 best regards

 Andrzej

 P.S.
 I've already reported this issue almost 2 years ago.
 It disappeared from bug reports in ffmpeg but I google it out:
 http://roundup.libav.org/issue2199

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1438>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker


More information about the FFmpeg-trac mailing list