On Wed, Jan 25, 2012 at 9:43 AM, Dan Dennedy <d...@dennedy.org> wrote:
> 2012/1/25 Maksym Veremeyenko <ve...@m1stereo.tv>:
>> 25.01.12 19:24, Dan Dennedy написав(ла):
>>
>>> On Wed, Jan 25, 2012 at 8:16 AM, Maksym Veremeyenko<ve...@m1stereo.tv>
>>>  wrote:
>>>>
>>>> Hi,
>>>>
>>>> are there any way to set (or use) *loop* or *eof* properties for
>>>> *avformat* producer?
>>>
>>>
>>> Yes, I think it should, but it depends on your context (object model)
>>> and application to enable the proper behavior. IOW, the playlist or
>>> multitrack length might be limiting the duration. Also, it appears
>>> that the playlist sets eof=pause when you add the producer to a
>>> playlist. So, eof needs to be set after the playlist operation. Also,
>>> the playlist producer supports an eof property itself that can be a
>>> factor.
>>>
>>
>> it seems i have to use playlist for playing loop...
>>
>> command
>>
>>    melt test.dv eof=loop
>>
>> do not work properly for me, is it correct?
>
> Correct, that is what I implied by "context." melt does is not
> concerned to easily support this use case (but there might be a tricky
> way to do it). Melt always creates a multitrack with a playlist for  a
> track. The most obvious way to simulate a loop with melt is to use
> -repeat with a large value. You will need to dig a little if you need
> a real loop by using a mlt xml file or by tricking the command line
> options.

I had a vague recollection that I had figured out a command line
trick. So, I searched my e-mail and found it:

melt eof=loop test.dv

In the options processor, initially the current properties object is
the tractor, which is a producer that understands eof property
semantics. So, here we set a property on the tractor producer before
creating a new producer, which changes the current properties object.

-- 
+-DRD-+

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