VLC cannot play MKV files?

[Vincent Habchi]

Craig:

> Do other mkv files play OK?

I haven’t many MKV files, all from the same source, and none plays correctly on VLC.
FFPLAY has no difficulty reading them.

Strange.

Output of mediainfo:

> mediainfo /Volumes/Archives/Vidéos/Series/MLP\ FIM\ S4/YP-7Z-04x02.mkv 
General
Unique ID                                : 206008566657813998729350314970436825804 (0x9AFBCE86080DD11183450EA6D0E772CC)
Complete name                            : /Volumes/Archives/Vidéos/Series/MLP FIM S4/YP-7Z-04x02.mkv
Format                                   : Matroska
Format version                           : Version 2
File size                                : 521 MiB
Duration                                 : 22mn 3s
Overall bit rate                         : 3 304 Kbps
Encoded date                             : UTC 2013-11-25 19:01:06
Writing application                      : mkvmerge v5.3.0 ('I could have danced') built on Feb  9 2012 10:38:07
Writing library                          : libebml v1.2.3 + libmatroska v1.3.0

Video
ID                                       : 1
Format                                   : AVC
Format/Info                              : Advanced Video Codec
Format profile                           : High at L4.1
Format settings, CABAC                   : Yes
Format settings, ReFrames                : 9 frames
Codec ID                                 : V_MPEG4/ISO/AVC
Duration                                 : 22mn 3s
Width                                    : 1 280 pixels
Height                                   : 720 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Constant
Frame rate                               : 23.976 fps
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Progressive
Title                                    : S04E02 : Princess Twilight Sparkle (2)
Writing library                          : x264 core 135 r2345 f0c1c53
Encoding settings                        : cabac=1 / ref=9 / deblock=1:1:1 / analyse=0x3:0x113 / me=umh / subme=8 / psy=1 / psy_rd=0.40:0.00 / 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=3 / lookahead_threads=1 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=5 / b_pyramid=2 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / open_gop=0 / weightp=2 / keyint=250 / keyint_min=23 / scenecut=40 / intra_refresh=0 / rc_lookahead=50 / rc=crf / mbtree=1 / crf=17.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / ip_ratio=1.40 / aq=1:0.60
Language                                 : English
Default                                  : Yes
Forced                                   : No

Audio #1
ID                                       : 2
Format                                   : AC-3
Format/Info                              : Audio Coding 3
Mode extension                           : CM (complete main)
Format settings, Endianness              : Big
Codec ID                                 : A_AC3
Duration                                 : 22mn 3s
Bit rate mode                            : Constant
Bit rate                                 : 384 Kbps
Channel(s)                               : 6 channels
Channel positions                        : Front: L C R, Side: L R, LFE
Sampling rate                            : 48.0 KHz
Bit depth                                : 16 bits
Compression mode                         : Lossy
Stream size                              : 60.6 MiB (12%)
Title                                    : [ENG] AC3 5.1
Language                                 : English
Default                                  : Yes
Forced                                   : No

Audio #2
ID                                       : 3
Format                                   : AAC
Format/Info                              : Advanced Audio Codec
Format profile                           : LC
Codec ID                                 : A_AAC
Duration                                 : 22mn 3s
Channel(s)                               : 2 channels
Channel positions                        : Front: L R
Sampling rate                            : 48.0 KHz
Compression mode                         : Lossy
Title                                    : [ENG] AAC 2.0
Language                                 : English
Default                                  : No
Forced                                   : No