[FFmpeg-devel] [PATCH] MTH demuxer (Gamecube format)
Mike Melanson
mike
Fri Feb 6 07:17:57 CET 2009
Michael Montanye wrote:
> Mike Melanson wrote:
>> Diego Biurrun wrote:
>>
>>> On Thu, Feb 05, 2009 at 10:12:52AM +0100, Marc Mason wrote:
>>>
>>>> Diego Biurrun wrote:
>>>>
>>>>
>>>>> Mike Melanson wrote:
>>>>>
>>>>>
>>>>>> I decided to go with the file signature instead.
>>>>>>
>>>>> What do you mean by signature?
>>>>>
>>>> Perhaps he meant
>>>>
>>>> http://en.wikipedia.org/wiki/File_format#Magic_number
>>>> http://en.wikipedia.org/wiki/Magic_number_(programming)#Magic_numbers_in_files
>>>>
>>>>
>>> I was basically wondering why it is called MTH in one place and MTHP in
>>> another. IMO we should use only one description, otherwise we will only
>>> generate confusion. DV is not the same as DVD or DVB.
>>>
>>
>> I vote for MTHP as the consistent term. As mentioned, it's the file's
>> signature and thus the most consistent identifier. MTH is just to
>> accomodate the common convention of the 3-letter file extensions. This
>> is consistent with our reasoning for referring to MPEG rather than MPG.
>>
>>
> That makes sense, especially since I just found a GC game that uses no
> file extensions at all, and the only way to find the FMVs was to look at
> the signature. And it's trivial to change. Changed, new patch attached.
BTW, do you know of any (quasi-)formal documentation for this format, or
did you sort it out from hex dumps?
--
-Mike Melanson
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