Mezzmo does not play audio for some of my MKV files.
Here is FFmpef info for the file with this issue:

FFmpeg version SVN-r26071, Copyright (c) 2000-2010 the FFmpeg developers
built on Dec 22 2010 10:30:32 with gcc 4.4.2
configuration: --enable-memalign-hack --arch=x86 --target-os=mingw32 --cross-prefix=i686-mingw32- --enable-static --disable-shared --enable-zlib --disable-ffprobe --disable-ffplay --prefix=/media/windows-share/ffmpeg --extra-cflags=-U__STRICT_ANSI__ --enable-libmp3lame --enable-libx264 --enable-gpl --extra-libs='-lx264 -lpthread' --enable-runtime-cpudetect
libavutil 50.35. 0 / 50.35. 0
libavcore 0.16. 0 / 0.16. 0
libavcodec 52.100. 0 / 52.100. 0
libavformat 52.88. 0 / 52.88. 0
libavdevice 52. 2. 2 / 52. 2. 2
libavfilter 1.69. 0 / 1.69. 0
libswscale 0.12. 0 / 0.12. 0
[matroska,webm @ 0036cf20] max_analyze_duration reached
[matroska,webm @ 0036cf20] Estimating duration from bitrate, this may be inaccurate
Input #0, matroska,webm, from 'C:\Video\Legendy.no4nyx.strajey.2010.mkv':
Duration: 01:36:49.67, start: 0.000000, bitrate: 1920 kb/s
Chapter #0.0: start 0.000000, end 652.026000
Metadata:
title : 00:00:00.000
Chapter #0.1: start 652.026000, end 1210.376000
Metadata:
title : 00:10:52.026
Chapter #0.2: start 1210.376000, end 1807.097000
Metadata:
title : 00:20:10.376
Chapter #0.3: start 1807.097000, end 2401.274000
Metadata:
title : 00:30:07.097
Chapter #0.4: start 2401.274000, end 2997.786000
Metadata:
title : 00:40:01.274
Chapter #0.5: start 2997.786000, end 3634.130000
Metadata:
title : 00:49:57.786
Chapter #0.6: start 3634.130000, end 4185.098000
Metadata:
title : 01:00:34.130
Chapter #0.7: start 4185.098000, end 4738.108000
Metadata:
title : 01:09:45.098
Chapter #0.8: start 4738.108000, end 5299.753000
Metadata:
title : 01:18:58.108
Chapter #0.9: start 5299.753000, end 5809.679000
Metadata:
title : 01:28:19.753
Stream #0.0(eng): Video: h264, yuv420p, 1280x544, PAR 1:1 DAR 40:17, 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc
Metadata:
title : Legend of the Guardians: The Owls of Ga'Hoole (2010)
Stream #0.1(rus): Audio: ac3, 48000 Hz, 5.1, s16, 384 kb/s
Metadata:
title : Russian @ DD 5.1 @ 384 kbps
Stream #0.2(eng): Audio: dca, 48000 Hz, 5.1, s16, 1536 kb/s
Metadata:
title : English @ DTS 5.1 @ 1510 kbps
Stream #0.3(rus): Subtitle: [0][0][0][0] / 0x0000
Metadata:
title : Russian
Stream #0.4(eng): Subtitle: [0][0][0][0] / 0x0000
Metadata:
title : English
At least one output file must be specified


---> DB Level Info: 41

Please advise...

Thank you!