Re: [Mlt-devel] Using same producer on several tracks

[Dan D. <da...@de...>]

On Sat, Sep 8, 2012 at 6:45 PM, Dan Dennedy <da...@de...> wrote:
> I found a regression related to fixes for using mlt_cache for frames
> and the way position is set/get on  frames. The proper fix for this
> requires a big cleanup with respect to how nearly every producer today
> must set two positions (one general, one custom) on the frame. So, I
> am going to take some time to do that right (instead of just fixing it
> for avformat, for example).

I had to scale back the amount of change, which is good to be on the
safe side, and now the fix is in git.

> On Sat, Sep 8, 2012 at 5:45 AM, j-b-m <j-...@us...> wrote:
>> Hello Dan,
>>
>> Following Kdenlive issue #2668 (1), I have a question for you.
>> Some time ago, I had to change Kdenlive's handling of avformat clips so that
>> when a clip is used on several tracks, each track uses a different producer.
>>
>> I clearly remember that I introduced this because otherwise we had audio
>> issues (crackling) when mixing audio from the same producer. Kdenlive only
>> creates duplicates of the producer when the clip has audio. Otherwise, we use
>> the same producer for all tracks.
>>
>> Now, in Kdenlive issue #2668, you suggest that making a video transition
>> between 2 instances of the same producer does not work.
>>
>> Was there a change in MLT that now makes it impossible to make a video
>> transition between 2 cuts of the same producer? I am almost sure that it
>> worked before.
>>
>> I can change Kdenlive so that we also create duplicates when the clip has no
>> audio, but before that (since it's not a small change), I want to make sure
>> that I correctly understood and that it's a limitation in the MLT framework.
>>
>> Thanks & regards
>>
>> jb
>>
>>
>> (1) http://kdenlive.org/mantis/view.php?id=2668
>
>
>
> --
> +-DRD-+



-- 
+-DRD-+