[Kdenlive-devel] Where are the default project profiles?

[Simon Eugster]

2010/8/4 Dan Dennedy <dan at dennedy.org>:
> On Wed, Aug 4, 2010 at 1:24 PM, Simon A. Eugster <simon.eu at gmail.com> wrote:
>> On 04.08.2010 22:20, Till Theato wrote:
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>>> On 08/04/2010 09:38 PM, Simon A. Eugster wrote:
>>>> I would like to add 1080/50i there. See:
>>>> http://kdenlive.org/forum/choosing-video-profile-which-choose
>>>> But where are they stored? Couldn't find anything.
>>>
>>> Don't expect Kdenlive to reveal all its secrets ;)
>>> Actually they aren't in Kdenlive at all.
>>
>> I thought so; git grep usually reveals such things :)
>>
>>> Have a look at your MLT source directory: profiles/
>>> or on the system something similar to /usr/share/mlt/profiles/
>>> However there is no need to add 1080/50i. HD 1080i 25fps (or
>>> /usr/share/mlt/profiles/atsc_1080_50i) is the right one. "25fps" is not
>>> meant to be 25i and therefore 12.5p. Sounds a bit misleading though.
>>
>> Is there something like an official naming?
>> I mean, there are 25 full frames, but 50 interlaced frames. And isn't the
>> frame rate actually 50 fps? (A half frame every 50th second?) Because
>> otherwise it would not make sense to store them interlaced.
>
> No, it is 50 fields per second, but the 'f' in fps means frames, and
> there is 25 frame per second. I used to use Hz for the vertical
> refresh rate, which is probably most correct, but I chose to dumb it
> down and keep it simple for people who are not so familiar with
> interlace. Those who are knowledgable should be able to understand
> from both the 'fps' and the other fields that are shown when selecting
> profiles.

Thanks for the explanation! Clear now.
http://kdenlive.svn.sourceforge.net/viewvc/kdenlive?view=revision&revision=4741

Simon