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Recordings going AWOL

MymsMan

MymsMan

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I was very surprised to receive a failed recordings email this morning listing a number of recordings made back in 2014
Code: 
Device: HDR-Fox T2 (Humax - dc:d3:21:57:a5:f3)
At least one failed recording has been detected in your
media library. The following recording(s) failed:

        /ABC/Misc saves/Dave Allen_ The Immaculate Selection_20140825_2200
        /ABC/Music/Jake Bugg & Bombay Bicycle Club @____20140823_2101-1409049430
        /ABC/Dexter/s1e3_12 - Popping Cherry
        /ABC/Dexter/s1e4_12 - Let's Give the Boy a Hand
        /ABC/Dexter/s1e2_12 - Crocodile
        /ABC/Dexter/s1e5_12 - Love American Style
        /ABC/Dexter/s1e6_12 - Return to Sender
        /ABC/Movies/Good Will Hunting_20140814_2238
Only the .hmt file has been left behind, whilst the recordings (except hmt) are in the Dustbin
Humax HDR Fox T2 (Humax) - Mozilla Firefox 10052016 145623.jpg
Code: 
 ls "/mnt/hd2/My Video/[Deleted Items]/ABC/Dexter"
total 4506484
drwxr-xr-x 2 root root       4096 May  9 18:02 .
drwxr-xr-x 6 root root       4096 May 10 00:02 ..
-rw-rw-rw- 1 root root        276 May 10 00:02 .series
-rw-r--r-- 1 root root    3122272 May  9 17:44 s1e2_12 - Crocodile.nts
-rw-r--r-- 1 root root      43680 May  9 17:44 s1e2_12 - Crocodile.thm
-rw-r--r-- 1 root root  917653632 May  9 17:44 s1e2_12 - Crocodile.ts
-rw-r--r-- 1 root root    2628992 May  9 17:44 s1e3_12 - Popping Cherry.nts
-rw-r--r-- 1 root root      43680 May  9 17:44 s1e3_12 - Popping Cherry.thm
-rw-r--r-- 1 root root  863766144 May  9 17:44 s1e3_12 - Popping Cherry.ts
-rw-r--r-- 1 root root    3353312 May  9 17:44 s1e4_12 - Let's Give the Boy a Hand.nts
-rw-r--r-- 1 root root      43680 May  9 17:44 s1e4_12 - Let's Give the Boy a Hand.thm
-rw-r--r-- 1 root root 1026254976 May  9 17:44 s1e4_12 - Let's Give the Boy a Hand.ts
-rw-r--r-- 1 root root    2868512 May  9 17:44 s1e5_12 - Love American Style.nts
-rw-r--r-- 1 root root      43680 May  9 17:44 s1e5_12 - Love American Style.thm
-rw-r--r-- 1 root root  891152256 May  9 17:44 s1e5_12 - Love American Style.ts
-rw-r--r-- 1 root root    3112992 May  9 17:44 s1e6_12 - Return to Sender.nts
-rw-r--r-- 1 root root      43680 May  9 17:44 s1e6_12 - Return to Sender.thm
-rw-r--r-- 1 root root  895933632 May  9 17:44 s1e6_12 - Return to Sender.ts
I did not delete the recordings so what did? It is fortunate that what ever binned them didn't delete the hmt files otherwise I would probably not have noticed anything was amiss until the long after they had expired from the bin.

Obviously I can recover the files from the bin but I would like to know what moved them in the first place, I can find no entries in any log file and I wouldn't want it happen when I am on holiday and don't have access to the machine.
 
I think this may be due to the Auto Delete setting on the Humax Settings Recording sub menu.

I had thought this setting controlled the deletion of empty series folder but now I can't recall where I acquired this (mis?)information, it doesn't appear in the Humax manual (I occasionally RTFM :) )

I can find very little information on this setting other than this thread on another forum which says:
It was introduced at 1.02.07 after the last revision of the manual. the release notes say"Auto Delete function - oldest files will be removed; Lock files so they are not Auto Deleted.
- Auto Delete is switched OFF as Default
- To enable Auto Delete go to Menu > Preferences > Recording > Auto Delete". So it will automatically free up space by deleting existing recordings on an oldest first basis.
Click to expand...
There is no information as to when auto-delete kicks in, by age or disk fullness, but I would guess, from my experience. that it happens when the free space drops below 10%
 
If you've got the Humax auto-delete turned on (why???), that will be it. No, it doesn't tidy up empty folders. prpr was offering a package to do that, but now I think it's something sweeper can do. Turn it off! Use the CF expire facility.
 
I have now turned it off,
Why it was turned in the first place is lost in the mists of time - it hadn't bitten me often in the past since I don't normally run short of space.

Before the advent of FlatView I used to use Flatten which eliminated all the unwanted series Folders.
I
 
I still use flatten. flatview is a very good reason to have tidy-folders, which I saw little point in before.
 
Having restored the recordings from the Dustbin I find that they cant be played on the TV, I get a message box
This file has been deleted by the Auto Delete function.
Do you want to delete the ghost file now?
YES NO
Click to expand...

Obviously the process has set a flag somewhere in the .hmt file but does anyone know at what offset?
The hmt utility doesn't report this flag and I dont see it in the wiki hmt file format page
I would like to zap the blighter to restore the recordings to usability.

I can play the file if I delete the hmt file (and could recreate with sidecar) but in doing so I would lose a lot of information including Bookmarks
 
My suspicion is the flag byte at 0x028E
Code: 
0x028E    1 byte    0x00            Flags byte.
    bit 0    00000001        On-Disk Encrypted flag. 1 = Encrypted. 0 = Decrypted
    bit 1    00000010        Thumbnail exists flag. 1 = Yes. 0 =  No
I appear to have an extra bit set 0A though I have yet to experiment with zapping it out- often Humax have multiple flags for the same thing
 

Attachments

  • s1e2_12 - Crocodile.zip
    664 bytes · Views: 1
MymsMan said:
My suspicion is the flag byte at 0x028E
Code: 
0x028E    1 byte    0x00            Flags byte.
    bit 0    00000001        On-Disk Encrypted flag. 1 = Encrypted. 0 = Decrypted
    bit 1    00000010        Thumbnail exists flag. 1 = Yes. 0 =  No
I appear to have an extra bit set 0A though I have yet to experiment with zapping it out- often Humax have multiple flags for the same thing
Click to expand...
I think that is it - setting the byte to 02 allowed the file to be played :)

I will check again tomorrow when I have freedom to play with Humax and update the wiki page to document the flag.

It is probably not worth updating the hmt utility since I am obviously the only person stupid enough to have set the Auto Delete option on!
 
Updated hmt wiki to include
Code: 
0x028E    1 byte    0x00            Flags byte.
    bit 0    00000001        On-Disk Encrypted flag. 1 = Encrypted. 0 = Decrypted
    bit 1    00000010        Thumbnail exists flag. 1 = Yes. 0 =  No
    bit 2    00000100        1 = Recording failed, Loss of Power (not set by firmware(?) uses 0x28C=01 instead)
    bit 3    00001000        1 = Recording deleted by Auto Delete
 
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