On Fri, May 6, 2011 at 3:38 PM, Dan Dennedy <[email protected]> wrote: > On Fri, May 6, 2011 at 12:01 PM, Jonathan Thomas > <[email protected]> wrote: >> Hi Dan! >> Just checking in with you about the de-interlace bug causing slow >> performance. Any success solving the issue yet? > > Yes, but it involves a bit a refactoring between the framework and the > modules and needed more testing, but I had to prioritize some paid > work the past couple of days. I do expect to check it in this weekend.
The changes have been pushed to the git repo. Let me know if you think it is fixed. >> Thanks! >> -Jonathan >> >> On Tue, May 3, 2011 at 11:10 PM, Dan Dennedy <[email protected]> wrote: >>> >>> On Tue, May 3, 2011 at 9:05 PM, Jonathan Thomas >>> <[email protected]> wrote: >>> > Okay, good to know. I will start updating my XML generation code to use >>> > INT >>> > for frame numbers, instead of Floats. If there is anything else I need >>> > to >>> > do, to ensure which deinterlacer is used, etc... please let me know. >>> > Also, >>> > if there is a way to reuse a producer in the XML, please let me know the >>> > syntax and I'll make that change as well. Thanks for the help! >>> >>> heh, well I was going to say, don't reuse producers! There is a >>> side-effect with the way the avformat producer handles audio. I will >>> spare you the technical details for now. >>> >>> Also, the bug with deinterlace is in Mlt with respect to transitions, >>> and it actually looks like a longstanding bug from the analysis so >>> far. So, there is nothing you can do to workaround it. >>> >>> > On Tue, May 3, 2011 at 10:58 PM, Dan Dennedy <[email protected]> wrote: >>> >> >>> >> On Tue, May 3, 2011 at 4:11 PM, Dan Dennedy <[email protected]> wrote: >>> >> > On Tue, May 3, 2011 at 2:15 PM, Jonathan Thomas >>> >> > <[email protected]> wrote: >>> >> >> Greetings Dan! >>> >> >> I have received many reports of sluggish playback using OpenShot >>> >> >> with >>> >> >> MLT >>> >> >> 0.7.0 and 0.7.2 (including the GIT trunk). I have tried to do a bit >>> >> >> of >>> >> >> research before reporting this bug, but it's a bit difficult to nail >>> >> >> down. >>> >> >> It seems that when you take an HD video clip (I have seen various >>> >> >> formats >>> >> >> and codecs reported), and place it more than 1 time on the timeline, >>> >> >> MLT >>> >> >> starts to skip and stutter in an unusable way. However, if the clip >>> >> >> is >>> >> >> only >>> >> >> on the timeline 1 time, it plays back smoothly. I'm not sure if >>> >> >> these >>> >> >> steps >>> >> > >>> >> > Are you creating distinct producers for each shot or reusing >>> >> > producers? >>> >> >>> >> I checked, and no, you are not. While reviewing this, I remembered >>> >> something I need to tell you. Stop using floating point for your time >>> >> values. In a near future version, floating point will be interpreted >>> >> as a clock value (.e.g. 3.0 = 3 seconds). >>> >> >>> >> I found the problem is due to the yadif deinterlacer being selected >>> >> instead of onefield, which is supposed to be used for sdl by default. >>> >> I am working on it. >>> >> >>> >> -- >>> >> +-DRD-+ >>> > >>> > >>> >>> >>> >>> -- >>> +-DRD-+ >> >> > > > > -- > +-DRD-+ > -- +-DRD-+ ------------------------------------------------------------------------------ WhatsUp Gold - Download Free Network Management Software The most intuitive, comprehensive, and cost-effective network management toolset available today. Delivers lowest initial acquisition cost and overall TCO of any competing solution. http://p.sf.net/sfu/whatsupgold-sd _______________________________________________ Mlt-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/mlt-devel
