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[NMJ v1] Problem with MKVMerge v3.5.0
03-27-2012, 04:43 AM (This post was last modified: 03-29-2012 01:37 AM by Netmask.)
Post: #1
Problem with MKVMerge v3.5.0
EDIT: Just realised I posted this in the wrong forum - can it be moved to the correct area?


On my Popcorn C200 running the latest firmware this file presented intermittent problems like, navigation resulted on resume no video no subtitles just audio. Difficulty in displaying subs at all.

I checked the subs and they were error free srt type, ansi encoding.
MediaInfo report of original follows

Code:
Format                                   : Matroska
Format version                           : Version 2
File size                                : 1.45 GiB
Duration                                 : 1h 37mn
Overall bit rate                         : 2 132 Kbps
Encoded date                             : UTC 2012-02-01 01:41:20
Writing application                      : mkvmerge v5.0.0 ('Die Wahre Liebe') built on Sep 25 2011 20:33:49
Writing library                          : libebml v1.2.2 + libmatroska v1.3.0

Video
ID                                       : 1
Format                                   : MPEG-4 Visual
Format profile                           : Simple@L1
Format settings, BVOP                    : No
Format settings, QPel                    : No
Format settings, GMC                     : No warppoints
Format settings, Matrix                  : Default (H.263)
Codec ID                                 : DIVX
Codec ID/Info                            : Project Mayo
Codec ID/Hint                            : DivX 4
Duration                                 : 1h 37mn
Bit rate                                 : 1 833 Kbps
Width                                    : 1 668 pixels
Height                                   : 938 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Constant
Frame rate                               : 25.000 fps
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Progressive
Compression mode                         : Lossy
Bits/(Pixel*Frame)                       : 0.047
Stream size                              : 1.24 GiB (86%)
Writing library                          : Lavc52.76.0
Default                                  : Yes
Forced                                   : No

Audio
ID                                       : 2
Format                                   : MPEG Audio
Format version                           : Version 1
Format profile                           : Layer 3
Mode                                     : Joint stereo
Codec ID                                 : A_MPEG/L3
Codec ID/Hint                            : MP3
Duration                                 : 1h 37mn
Bit rate mode                            : Constant
Bit rate                                 : 256 Kbps
Channel(s)                               : 2 channels
Sampling rate                            : 48.0 KHz
Compression mode                         : Lossy
Stream size                              : 178 MiB (12%)
Default                                  : Yes
Forced                                   : No

I then examined v5.3.0 a little closer and noticed that it was possible to compress the srt subs - maybe it was there in earlier version but I didn't notice nor have any problems. So to be on the safe side I set the compression on each track, audio, video and subtitles to None and set the Forced flag on each track as well for good measure. The resulting corrected file plays with subs and navigation intact. MediaInfo details follows.

Code:
Format                                   : Matroska
Format version                           : Version 2
File size                                : 1.45 GiB
Duration                                 : 1h 37mn
Overall bit rate                         : 2 132 Kbps
Encoded date                             : UTC 2012-03-27 01:21:58
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                                   : MPEG-4 Visual
Format profile                           : Simple@L1
Format settings, BVOP                    : No
Format settings, QPel                    : No
Format settings, GMC                     : No warppoints
Format settings, Matrix                  : Default (H.263)
Codec ID                                 : DIVX
Codec ID/Info                            : Project Mayo
Codec ID/Hint                            : DivX 4
Duration                                 : 1h 37mn
Bit rate                                 : 1 834 Kbps
Width                                    : 1 668 pixels
Height                                   : 938 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Constant
Frame rate                               : 25.000 fps
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Progressive
Compression mode                         : Lossy
Bits/(Pixel*Frame)                       : 0.047
Stream size                              : 1.24 GiB (86%)
Writing library                          : Lavc52.76.0
Language                                 : English
Default                                  : Yes
Forced                                   : Yes

Audio
ID                                       : 2
Format                                   : MPEG Audio
Format version                           : Version 1
Format profile                           : Layer 3
Mode                                     : Joint stereo
Codec ID                                 : A_MPEG/L3
Codec ID/Hint                            : MP3
Duration                                 : 1h 37mn
Bit rate mode                            : Constant
Bit rate                                 : 256 Kbps
Channel(s)                               : 2 channels
Sampling rate                            : 48.0 KHz
Compression mode                         : Lossy
Stream size                              : 178 MiB (12%)
Language                                 : English
Default                                  : Yes
Forced                                   : Yes

Text
ID                                       : 3
Format                                   : UTF-8
Codec ID                                 : S_TEXT/UTF8
Codec ID/Info                            : UTF-8 Plain Text
Language                                 : English
Default                                  : Yes
Forced                                   : Yes

Anyway the file now works - so I am happy as the original recorded audio was badly dynamically compressed resulting in background noises coming up between words that subtitles were necessary to help with the dialog Intelligibility.

Popcorn Hour C200 HDMI
BeyonWiz DP-P1 PVR + LiDiC
Component Video 1080i
Samsung LA40R7 LCD TV
SONY STR-DA1000ES amplifier
Windows 7 -- MAC G4
http://www.openwiz.org/wiki/ProjectX
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