Heavy stutter with matroska

[Carl Eugen Hoyos]

(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

[Carl Eugen Hoyos]

Sample uploaded to ​http://samples.ffmpeg.org/ffmpeg-bugs/trac/ticket2508/

[Michael Niedermayer]

Fixed in 6158a3bcdf52fafc1d9ae9eb358a56c614b23aa3