[FFmpeg-trac] #2508(avformat:new): Heavy stutter with matroska

FFmpeg trac at avcodec.org
Sun Apr 28 15:08:28 CEST 2013


#2508: Heavy stutter with matroska
-------------------------------------+-------------------------------------
               Reporter:  cehoyos    |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  important  |              Component:  avformat
                Version:  git-       |               Keywords:  mkv
  master                             |  regression
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 (Sample from videolan ticket 8512)
 I will upload a sample from a vlc bug report that plays very badly with
 ffplay since 98a7d56
 Transcoding with ffmpeg works fine, prints many "DTS invalid, clipping"
 messages.
 {{{
 $ ffplay S09E01.\ Smallville\ -\ Savior\ -\ no\ audio\ sample.mkv
 ffplay version N-52542-g5149407 Copyright (c) 2003-2013 the FFmpeg
 developers
   built on Apr 28 2013 15:07:24 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl --disable-indev=jack
   libavutil      52. 27.101 / 52. 27.101
   libavcodec     55.  6.100 / 55.  6.100
   libavformat    55.  3.100 / 55.  3.100
   libavdevice    55.  0.100 / 55.  0.100
   libavfilter     3. 61.101 /  3. 61.101
   libswscale      2.  2.100 /  2.  2.100
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, matroska,webm, from 'S09E01. Smallville - Savior - no audio
 sample.mkv':
   Metadata:
     creation_time   : 2011-09-05 18:12:12
   Duration: 00:42:15.30, start: 0.000000, bitrate: 49 kb/s
     Chapter #0.0: start 0.000000, end 427.135033
     Metadata:
       title           : Chapter 1
     Chapter #0.1: start 427.135033, end 790.456333
     Metadata:
       title           : Chapter 2
     Chapter #0.2: start 790.456333, end 1185.100578
     Metadata:
       title           : Chapter 3
     Chapter #0.3: start 1185.100578, end 1771.644867
     Metadata:
       title           : Chapter 4
     Chapter #0.4: start 1771.644867, end 2229.644078
     Metadata:
       title           : Chapter 5
     Chapter #0.5: start 2229.644078, end 2502.875367
     Metadata:
       title           : Chapter 6
     Chapter #0.6: start 2502.875367, end 2535.296000
     Metadata:
       title           : Chapter 7
     Stream #0:0(eng): Video: h264 (High), yuv420p, 720x480 [SAR 32:27 DAR
 16:9], SAR 186:157 DAR 279:157, 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc
 (default)
     Stream #0:1(eng): Audio: ac3, 48000 Hz, 5.1(side), fltp, 384 kb/s
 (default)
     Stream #0:2(eng): Subtitle: subrip (default)
     Metadata:
       title           : English
 [matroska,webm @ 0x7f977c000920] Read error2070KB sq=    0B f=0/0
   14.59 A-V: -0.921 fd=  71 aq= 2669KB vq= 9764KB sq=    0B f=0/0
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2508>
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