[mythtv-users] Is Btrfs a good choice for MythTV?
belcampo at zonnet.nl
Sat May 21 20:24:47 UTC 2011
On 05/21/11 11:18, Mike Perkins wrote:
> On 20/05/11 21:07, Dan Wilga wrote:
>> On 5/20/11 3:46 PM, John Drescher wrote:
>>>> Back to the original question :)
>>>>> From a design standpoint...
>>>> Is Btrfs a good filesystem to use with MythTV?
>>> Btrfs like zfs are good for eliminating the chance of corrupt data.
>>> However I am not sure that is a necessity for anything in Mythtv. At
>>> least if I lost a few bits in my data stream on a recording knocking
>>> out a few frames it would not be the end of the world.
>> Having once recovered files from a disk with bad sectors, I can tell you
>> that it's not very pleasant. Myth doesn't just skip over the missing
>> frames or show a black screen, it stops playing and returns to the
>> menus. Getting back to, and past, the damaged section can be fairly
>> annoying. (Did I mention I have a kid who likes to watch the same shows
>> over and over?)
> Myth could do with a simple, straightforward 'file cleaner' which can be run as
> the very first stage of a transcode or commercial-cut process. In the analog
> world this step wasn't necessary but digitally it is becoming increasingly so.
> I don't want to have to deal with the complexities of Handbrake or any of the
> other full-featured editing programs just to get rid of a few glitches caused by
> a bird that sat on my aerial for five seconds.
> It doesn't need a full-featured program of any sort, just a simple unix-like
> filter checking each frame and doing whatever is required to output an
> error-free file.
ProjectX can be used from the command-line and cut and clean in 1-pass
to another clean-cutted mpeg-ts stream, although only mpeg2 NOT h264
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