[FFmpeg-trac] #3752(undetermined:new): can't seek to specified position

FFmpeg trac at avcodec.org
Wed Jul 2 09:14:40 CEST 2014


#3752: can't seek to specified position
-------------------------------------+-------------------------------------
             Reporter:  hxuanyu      |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:  asf          |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by hxuanyu):

 Hi, below command was run to generate a mp4 video starting from 10th
 second of original video.

 But the first frame of generated b.mp4 appears at 20th second in original
 video. So ffmpeg also has the problem.


 {{{
 $ ffmpeg.exe -ss 00:00:10 -i AVRO\ Close-up_Ned\ 1_07_08_2010_13_50_05
 .dvr-ms b.mp4
 ffmpeg version N-64357-g42a92a2 Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Jul  1 2014 22:02:07 with gcc 4.8.3 (GCC)
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r
 --enable-gnutls --enable-iconv --enable-libass --enable-libbluray
 --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm
 --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-
 libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
 --enable-libopus --enable-librtmp --enable-libschroedinger --enable-
 libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-
 libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-
 libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-
 libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-
 decklink --enable-zlib
   libavutil      52. 90.101 / 52. 90.101
   libavcodec     55. 68.100 / 55. 68.100
   libavformat    55. 44.100 / 55. 44.100
   libavdevice    55. 13.101 / 55. 13.101
   libavfilter     4.  9.100 /  4.  9.100
   libswscale      2.  6.100 /  2.  6.100
   libswresample   0. 19.100 /  0. 19.100
   libpostproc    52.  3.100 / 52.  3.100
 [mp3 @ 04143780] Header missing
 [mpeg2video @ 028fdf60] Invalid frame dimensions 0x0.
     Last message repeated 8 times
 Input #0, asf, from 'AVRO Close-up_Ned 1_07_08_2010_13_50_05.dvr-ms':
   Metadata:
     DVR Index Granularity: 500
     WM/SubTitle     : IJSkoude passie: de geschiedenis van het
 consumptieijs
     WM/SubTitleDescription: Documentaireserie. In deze aflevering zien we
 hoe de Italianen in de 17de eeuw ontdekten hoe ze ijs konden bereiden,
 waarna de lekkernij zijn veroveringstocht begon.
     genre           : Varia,Muziek en kunst
     WM/MediaCredits : ;;;
     WM/OriginalReleaseTime: 0001-01-01T00:00:00Z
     service_provider: Ned 1
     service_name    : Nederland 1
     WM/MediaOriginalChannel: 1
     WM/MediaOriginalBroadcastDateTime: 0001-01-01T00:00:00Z
     WM/WMRVServiceID: 750832
     WM/WMRVProgramID: !BE18453AACCFD179BB3844D07BAC1181!
     WM/MediaOriginalRunTime: 1640261632
     WM/WMRVEncodeTime: 18446744072897685192
     WM/MediaIsStereo: 0
     WM/VideoClosedCaptioning: 0
     WM/MediaIsRepeat: 0
     WM/MediaIsLive  : 0
     WM/MediaIsTape  : 0
     WM/MediaIsDelay : 0
     WM/MediaIsSubtitled: 0
     WM/MediaIsMovie : 0
     WM/MediaIsPremiere: 0
     WM/MediaIsFinale: 0
     WM/MediaIsSAP   : 0
     WM/WMRVRequestID: 39127134
     WM/WMRVScheduleItemID: 14235578
     WM/WMRVQuality  : 3
     WM/WMRVOriginalSoftPrePadding: 18446744073709551496
     WM/WMRVOriginalSoftPostPadding: 600
     WM/WMRVActualSoftPrePadding: 0
     WM/WMRVHardPrePadding: 0
     WM/Provider     : BDS
     WM/ProviderCopyright: © 2010 Microsoft Corporation. Alle rechten
 voorbehouden. Servicevoorwaarden:
 http://go.microsoft.com/fwlink/?LinkId=8430
                     :
     WM/WMRVEndTime  : 409258576
     WM/WMRVExpirationDate: 18446744073709551591
     WM/WMRVBitrate  : 1271310320
     WM/WMRVKeepUntil: 18446744073709551615
     WM/WMRVHardPostPadding: 0
     WM/WMRVActualSoftPostPadding: 0
     WM/WMRVContentProtectedPercent: 0
     WM/WMRVInBandRatingSystem: 255
     WM/WMRVInBandRatingLevel: 255
     WM/WMRVInBandRatingAttributes: 0
     WM/WMRVWatched  : 0
     WM/WMRVATSCContent: 0
     WM/WMRVDTVContent: 1
     WM/WMRVHDContent: 0
     WM/WMRVContentProtected: 0
     WM/MediaThumbTimeStamp: 1026284153
     WM/MediaThumbWidth: 360
     WM/MediaThumbHeight: 288
     WM/MediaThumbStride: 1080
     WM/MediaThumbRet: 0
     WM/MediaThumbType: 3
     WM/MediaThumbRatingSystem: 255
     WM/MediaThumbRatingLevel: 255
     WM/MediaThumbRatingAttributes: 0
     WM/MediaThumbAspectRatioX: 16
     WM/MediaThumbAspectRatioY: 9
     WMFSDKVersion   : 11.0.6002.18049
     WMFSDKNeeded    : 0.0.0.0000
     VBR Peak        : 159498240
     title           : AVRO Close-up
     IsVBR           : 1
   Duration: 00:02:01.97, start: 11.818000, bitrate: 7735 kb/s
     Stream #0:0: Video: mjpeg, yuvj420p(pc, bt470bg), 200x200 [SAR 96:96
 DAR 1:1], 90k tbr, 90k tbn, 90k tbc
     Metadata:
       title           : TV Thumbnail
       comment         : Movie/video screen capture
     Stream #0:1: Audio: mp2, 48000 Hz, stereo, s16p, 256 kb/s
     Stream #0:2: Video: mpeg2video (Main) (DVR  / 0x20525644),
 yuv420p(tv), 720x576 [SAR 64:45 DAR 16:9], 6912 kb/s, 25 fps, 25 tbr, 1k
 tbn, 50 tbc
 [libx264 @ 04193440] using SAR=64/45
 [libx264 @ 04193440] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
 AVX
 [libx264 @ 04193440] profile High, level 3.0
 [libx264 @ 04193440] 264 - core 142 r2431 ac76440 - H.264/MPEG-4 AVC codec
 - Copyleft 2003-2014 - http://www.videolan.org/x264.html - options:
 cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1
 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1
 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6
 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0
 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1
 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25
 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0
 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
 [mp4 @ 0455e8e0] Using AVStream.codec.time_base as a timebase hint to the
 muxer is deprecated. Set AVStream.time_base instead.
     Last message repeated 1 times
 Output #0, mp4, to 'b.mp4':
   Metadata:
     DVR Index Granularity: 500
     WM/SubTitle     : IJSkoude passie: de geschiedenis van het
 consumptieijs
     WM/SubTitleDescription: Documentaireserie. In deze aflevering zien we
 hoe de Italianen in de 17de eeuw ontdekten hoe ze ijs konden bereiden,
 waarna de lekkernij zijn veroveringstocht begon.
     genre           : Varia,Muziek en kunst
     WM/MediaCredits : ;;;
     WM/OriginalReleaseTime: 0001-01-01T00:00:00Z
     service_provider: Ned 1
     service_name    : Nederland 1
     WM/MediaOriginalChannel: 1
     WM/MediaOriginalBroadcastDateTime: 0001-01-01T00:00:00Z
     WM/WMRVServiceID: 750832
     WM/WMRVProgramID: !BE18453AACCFD179BB3844D07BAC1181!
     WM/MediaOriginalRunTime: 1640261632
     WM/WMRVEncodeTime: 18446744072897685192
     WM/MediaIsStereo: 0
     WM/VideoClosedCaptioning: 0
     WM/MediaIsRepeat: 0
     WM/MediaIsLive  : 0
     WM/MediaIsTape  : 0
     WM/MediaIsDelay : 0
     WM/MediaIsSubtitled: 0
     WM/MediaIsMovie : 0
     WM/MediaIsPremiere: 0
     WM/MediaIsFinale: 0
     WM/MediaIsSAP   : 0
     WM/WMRVRequestID: 39127134
     WM/WMRVScheduleItemID: 14235578
     WM/WMRVQuality  : 3
     WM/WMRVOriginalSoftPrePadding: 18446744073709551496
     WM/WMRVOriginalSoftPostPadding: 600
     WM/WMRVActualSoftPrePadding: 0
     WM/WMRVHardPrePadding: 0
     WM/Provider     : BDS
     WM/ProviderCopyright: © 2010 Microsoft Corporation. Alle rechten
 voorbehouden. Servicevoorwaarden:
 http://go.microsoft.com/fwlink/?LinkId=8430
                     :
     WM/WMRVEndTime  : 409258576
     WM/WMRVExpirationDate: 18446744073709551591
     WM/WMRVBitrate  : 1271310320
     WM/WMRVKeepUntil: 18446744073709551615
     WM/WMRVHardPostPadding: 0
     WM/WMRVActualSoftPostPadding: 0
     WM/WMRVContentProtectedPercent: 0
     WM/WMRVInBandRatingSystem: 255
     WM/WMRVInBandRatingLevel: 255
     WM/WMRVInBandRatingAttributes: 0
     WM/WMRVWatched  : 0
     WM/WMRVATSCContent: 0
     WM/WMRVDTVContent: 1
     WM/WMRVHDContent: 0
     WM/WMRVContentProtected: 0
     WM/MediaThumbTimeStamp: 1026284153
     WM/MediaThumbWidth: 360
     WM/MediaThumbHeight: 288
     WM/MediaThumbStride: 1080
     WM/MediaThumbRet: 0
     WM/MediaThumbType: 3
     WM/MediaThumbRatingSystem: 255
     WM/MediaThumbRatingLevel: 255
     WM/MediaThumbRatingAttributes: 0
     WM/MediaThumbAspectRatioX: 16
     WM/MediaThumbAspectRatioY: 9
     WMFSDKVersion   : 11.0.6002.18049
     WMFSDKNeeded    : 0.0.0.0000
     VBR Peak        : 159498240
     title           : AVRO Close-up
     IsVBR           : 1
     encoder         : Lavf55.44.100
     Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p,
 720x576 [SAR 64:45 DAR 16:9], q=-1--1, 25 fps, 12800 tbn, 25 tbc
     Metadata:
       encoder         : Lavc55.68.100 libx264
     Stream #0:1: Audio: aac (libvo_aacenc) ([64][0][0][0] / 0x0040), 48000
 Hz, stereo, s16, 128 kb/s
     Metadata:
       encoder         : Lavc55.68.100 libvo_aacenc
 Stream mapping:
   Stream #0:2 -> #0:0 (mpeg2video (native) -> h264 (libx264))
   Stream #0:1 -> #0:1 (mp2 (native) -> aac (libvo_aacenc))
 Press [q] to stop, [?] for help
 [mp2 @ 04140de0] Header missing
 Error while decoding stream #0:1: Invalid data found when processing input
 [mp2 @ 04140de0] incomplete frame  18080kB time=00:01:51.54
 bitrate=1327.9kbits/s dup=297 drop=0
 Error while decoding stream #0:1: Invalid data found when processing input
 [mpeg2video @ 04194240] ac-tex damaged at 31 20
 [mpeg2video @ 04194240] Warning MVs not available
 [mpeg2video @ 04194240] concealing 720 DC, 720 AC, 720 MV errors in B
 frame
 frame= 2812 fps= 73 q=-1.0 Lsize=   18664kB time=00:01:52.40
 bitrate=1360.3kbits/s dup=297 drop=0
 video:17011kB audio:1574kB subtitle:0kB other streams:0kB global
 headers:0kB muxing overhead: 0.427659%
 [libx264 @ 04193440] frame I:24    Avg QP:21.13  size: 55253
 [libx264 @ 04193440] frame P:1085  Avg QP:23.94  size: 12044
 [libx264 @ 04193440] frame B:1703  Avg QP:27.85  size:  1776
 [libx264 @ 04193440] consecutive B-frames:  3.9% 34.9% 33.8% 27.5%
 [libx264 @ 04193440] mb I  I16..4: 10.3% 77.0% 12.7%
 [libx264 @ 04193440] mb P  I16..4:  1.5%  4.4%  0.5%  P16..4: 39.9% 17.3%
 11.0%  0.0%  0.0%    skip:25.3%
 [libx264 @ 04193440] mb B  I16..4:  0.1%  0.1%  0.0%  B16..8: 30.7%  2.9%
 0.7%  direct: 1.8%  skip:63.8%  L0:36.2% L1:54.7% BI: 9.1%
 [libx264 @ 04193440] 8x8 transform intra:70.2% inter:74.9%
 [libx264 @ 04193440] coded y,uvDC,uvAC intra: 64.5% 63.4% 25.4% inter:
 17.0% 15.8% 0.8%
 [libx264 @ 04193440] i16 v,h,dc,p: 33% 30%  7% 30%
 [libx264 @ 04193440] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 21% 19% 27%  4%  5%
 5%  7%  5%  7%
 [libx264 @ 04193440] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 24% 34% 11%  4%  5%
 5%  6%  5%  6%
 [libx264 @ 04193440] i8c dc,h,v,p: 49% 22% 24%  5%
 [libx264 @ 04193440] Weighted P-Frames: Y:0.5% UV:0.2%
 [libx264 @ 04193440] ref P L0: 60.8% 16.0% 16.4%  6.9%  0.0%
 [libx264 @ 04193440] ref B L0: 85.4% 12.8%  1.8%
 [libx264 @ 04193440] ref B L1: 95.1%  4.9%
 [libx264 @ 04193440] kb/s:1238.86


 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/3752#comment:4>
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