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Restrictions for file name length and other
11-22-2011, 10:07 PM
Post: #1
Restrictions for file name length and other
I have some occasional problems, syncing content between my XP home media server and PCH 200 hard drive. I noticed, that it happens with long path names/filenames. What is the max filename length in NMT, are there some restricted chars in filename? Any suggestions?

A-300; Synology Diskstation DS212+, Pro-Ject D/A, PP class A tube amp, Fostex full-range speakers.
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11-22-2011, 10:12 PM
Post: #2
RE: Restrictions for file name length and other
linux has no said restriction on path/file name length, you would hit windows limit first which you might have done. as for characters dont have asterisks, backslashes, or question marks, or end a file in a period
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07-07-2012, 06:44 PM
Post: #3
RE: Restrictions for file name length and other
Update

Too long path/filename crashes A-300. This behaviour has only remedy -- rename/shorten path and filenames.

A-300; Synology Diskstation DS212+, Pro-Ject D/A, PP class A tube amp, Fostex full-range speakers.
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07-08-2012, 01:54 AM
Post: #4
RE: Restrictions for file name length and other
Would you like to expand a little? I use A300 and my network PC uses Windows and have not seen any crashes but I don't use long pathnames. What path names are you talking about?

A400: SD Card(Apps), HDMI C200: USB(Apps), BD ROM (SH-B083L(SB01)), HDMI
CAT6 Wired Network: TV Panasonic TX-P42G20, HP ProCurve 1400-8G, Netgear GS-608/605, Synology CS407
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07-08-2012, 11:06 AM
Post: #5
RE: Restrictions for file name length and other
An example would be nice.
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07-08-2012, 02:02 PM (This post was last modified: 07-08-2012 02:07 PM by jaakennuste.)
Post: #6
RE: Restrictions for file name length and other
Try that: http://isohunt.com/torrent_details/31152...ab=summary

Use local HDD or open it from NAS (do not stream). Try to play it and please share Your experiences.

(07-08-2012 01:54 AM)chris57 Wrote:  Would you like to expand a little? I use A300 and my network PC uses Windows and have not seen any crashes but I don't use long pathnames. What path names are you talking about?

Do you have a network share to PC or do You stream? This probably occurs only from local HDD or network share.

A-300; Synology Diskstation DS212+, Pro-Ject D/A, PP class A tube amp, Fostex full-range speakers.
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07-08-2012, 06:53 PM (This post was last modified: 07-08-2012 06:54 PM by chris57.)
Post: #7
RE: Restrictions for file name length and other
You have lost me why do I need to download a torrent?

Are you saying that the downloaded FLAC files will not play when placed on your local storage? If so then that is nothing to do with path names and is an issue with filenames or perhaps even the FLAC file itself.

If it is the FLAC file that you cannot play from local storage then make a report in the 300 seri9es Audio Section. Also check filename size in the 300 and 200 section as there have been issues with filename length sizes.

I use Samba shares on both my PC and my Synology NAS/ I also test NFS from the NAS.
Quote:Sergei Prokofiev (London Symphony Orchestra, Conducted by Andre Previn) - Romeo & Juliet - Ballet Op.64 (Disc 2) - 01. Act 2, Scene 1, No. 27 The Nurse Gives Romeo The Note From Juliet.flac

Thats one badly named file!!

A400: SD Card(Apps), HDMI C200: USB(Apps), BD ROM (SH-B083L(SB01)), HDMI
CAT6 Wired Network: TV Panasonic TX-P42G20, HP ProCurve 1400-8G, Netgear GS-608/605, Synology CS407
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07-09-2012, 03:05 AM
Post: #8
RE: Restrictions for file name length and other
Just counted one filename at random, its 155 characters long. It also has 'special characters' in it and numerous spaces, commas, and full stops in there for good measure.

Have not tested it yet but here's mediainfo of one:-
Code:
General
Complete name                            : D:\Torrents\Prokofiev - Romeo and Juliet (André Previn) FLAC\CD2\Sergei Prokofiev (London Symphony Orchestra, Conducted by Andre Previn) - Romeo & Juliet - Ballet Op.64 (Disc 2) - 08. Act 2, Scene 3, No. 34 Mercutio Dies.flac
Format                                   : FLAC
Format/Info                              : Free Lossless Audio Codec
File size                                : 12.6 MiB
Duration                                 : 4mn 4s
Overall bit rate mode                    : Variable
Overall bit rate                         : 432 Kbps
Album                                    : Romeo & Juliet - Ballet Op.64 (Disc 2)
Track name                               : Act 2, Scene 3, No. 34 Mercutio Dies
Track name/Position                      : 08
Performer                                : Sergei Prokofiev (London Symphony Orchestra, Conducted by Andre Previn)
Genre                                    : Classical
Recorded date                            : 1973
Cover                                    : Yes
Cover type                               : Cover (front)
Cover MIME                               : image/jpeg
Comment                                  : Track 8

Audio
Format                                   : FLAC
Format/Info                              : Free Lossless Audio Codec
Duration                                 : 4mn 4s
Bit rate mode                            : Variable
Bit rate                                 : 428 Kbps
Channel(s)                               : 2 channels
Sampling rate                            : 44.1 KHz
Bit depth                                : 16 bits
Stream size                              : 12.5 MiB (99%)
Writing library                          : libFLAC 1.2.1 (UTC 2007-09-17)

A400: SD Card(Apps), HDMI C200: USB(Apps), BD ROM (SH-B083L(SB01)), HDMI
CAT6 Wired Network: TV Panasonic TX-P42G20, HP ProCurve 1400-8G, Netgear GS-608/605, Synology CS407
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07-09-2012, 04:34 AM (This post was last modified: 07-09-2012 04:41 AM by accident.)
Post: #9
RE: Restrictions for file name length and other
wow that is long, once you add the rest of the nmt path to it, it's pushing over 200-250. It seems like bad handling on the pch when path is too long..
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07-09-2012, 08:48 AM
Post: #10
RE: Restrictions for file name length and other
Well I tried the files via Samba shares with the files in my torrent directory on my PC. The songs played fine. The embedded cover showed up in the audio player.
I use a direct HDMI to TV connection.

A400: SD Card(Apps), HDMI C200: USB(Apps), BD ROM (SH-B083L(SB01)), HDMI
CAT6 Wired Network: TV Panasonic TX-P42G20, HP ProCurve 1400-8G, Netgear GS-608/605, Synology CS407
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07-09-2012, 02:12 PM
Post: #11
RE: Restrictions for file name length and other
You might want to do a little test and keep adding 5 or 10 more characters to the folder it's in to see where the path approximately breaks.. from my googling, it looks lke with smb your looking about 259 being the max windows will handle. of course it shouldn't be crashing the pch so maybe it's just bad error handling where it's not catching the path too long error and then tries to use the file liek it opened it.
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07-09-2012, 02:22 PM
Post: #12
RE: Restrictions for file name length and other
I wonder if he's using the cue file that is in the folder?

Cue files are not wokring on the 300. They do/did on the 200 series.

A400: SD Card(Apps), HDMI C200: USB(Apps), BD ROM (SH-B083L(SB01)), HDMI
CAT6 Wired Network: TV Panasonic TX-P42G20, HP ProCurve 1400-8G, Netgear GS-608/605, Synology CS407
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07-09-2012, 04:36 PM (This post was last modified: 07-09-2012 04:37 PM by jaakennuste.)
Post: #13
RE: Restrictions for file name length and other
(07-09-2012 02:22 PM)chris57 Wrote:  I wonder if he's using the cue file that is in the folder?

Cue files are not wokring on the 300. They do/did on the 200 series.

Cris75, no I don't use CUE file, as it does not work (as You already).

I downoalded filest from the torrent, placed it to my DiskStation directory system Music -> Classical -> Prokiofiev -> Romeo and Juliet -> ...... During the playback they crash the system. They actually start playing and in few minutes A-300 will reboot.

Interestingly they didn't cause any problem for You. Just try to play all album, and probably You'll see.

A-300; Synology Diskstation DS212+, Pro-Ject D/A, PP class A tube amp, Fostex full-range speakers.
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07-10-2012, 01:22 AM
Post: #14
RE: Restrictions for file name length and other
ok so your path once you add on the internal pch path just to get to the network does break 259 characters.. yes that's a damn long path.. I agree there is a bug here, it shoudln't be crashing.
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07-11-2012, 02:12 PM
Post: #15
RE: Restrictions for file name length and other
Yes, it about path+filename length (directory structure + filename) on local media or NAS, not just filename length. Tested on one piano album, shortened directory name and it works.

A-300; Synology Diskstation DS212+, Pro-Ject D/A, PP class A tube amp, Fostex full-range speakers.
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