On Fri, Aug 12, 2011 at 1:14 AM, Marco Gittler <ma...@gitma.de> wrote: > > Am 12.08.2011 um 08:05 schrieb Dan Dennedy: > >> On Thu, Aug 11, 2011 at 10:20 PM, Marco Gittler <ma...@gitma.de> wrote: >>> >>> Am 11.08.2011 um 22:54 schrieb Dan Dennedy: >>> >>>> On Thu, Aug 11, 2011 at 10:33 AM, Marco Gittler <ma...@gitma.de> wrote: >>>>> Hi >>>>> >>>>> i made an mlt plugin, that uses the stabilization from >>>>> http://vstab.sourceforge.net/. >>>>> First tests are working very good. >>>> >>>> What a nice contribution! >>> :) >>>> >>>>> There a lots of speed up to be done (cache calculated values in a file, >>>>> for later usage). >>>> >>>> I have not looked at this yet, but can you simply put the calculated >>>> values in a string property (colon-delimited list of numbers or json >>>> ala rotoscoping). Then, when serializing a mlt composition to xml, it >>>> will be saved. Next, when loading a mlt xml, the plugin can use the >>>> values from the property instead of calculating them? >>> i implemented this now. >>> but it looks first it is not working. but i found out, the filter will >>> have 2 runs with the video file, started with >>> melt ~/Desktop/IMG_0286.MOV -filter videostab -verbose >>> >>> on the first run it "deshakes" for 38 frames (and saves the values) >>> on 2nd run (the visible on) there are 45 (correct length) frames. >>> how can the first (false length) run be prevented, else the vector data are >>> not correct ? >>> >>> i had also a first run with 45 frames (a lucky moment) , then it will work >>> perfect. >> >> It sounds like in the first run, it is frame-dropping if you are using >> the sdl consumer. Try running with '-consumer sdl real_time=-1'. Hmm.. >> if you run the first pass with '-consumer xml:test.mlt' to save the >> values then it will not run through all of the frames, so that mode of >> operation will not work as I originally thought. I think we need to >> change the XML consumer to add an option to iterate through each >> frame. This weekend I will download your plugin and figure out what to >> do. > > some more test with other videos are working. it seems that the problem > exists only with video @30fps > the first run will then be done with 38 frames (46@30 fps= 38 @25 fps with > the same time to run) > 25fps videos does not have this "bug". > > so i don't know if this must be fixed, or if this is a "video profile" thing > that must be set for this. > > melt -profile ntsc_dvd ~/Desktop/IMG_0286.MOV -filter videostab -verbose and > melt -profile pal_dvd ~/Desktop/IMG_0286.MOV -filter videostab -verbose > the video has every time 38 frame (on the 2 runs)
Unless you made those profiles yourself, they do not exist. See 'melt -query profiles' to see a list of what is "installed." Try using dv_ntsc and dv_pal. > > melt ~/Desktop/IMG_0286.MOV -filter videostab -verbose > will have first run 38, second 46 frames. (it is a short video from an iPhone) > > regarde marco > >> >>> regards marco >>> >>>> >>>> -- >>>> +-DRD-+ >>>> >>>> ------------------------------------------------------------------------------ >>>> Get a FREE DOWNLOAD! and learn more about uberSVN rich system, >>>> user administration capabilities and model configuration. Take >>>> the hassle out of deploying and managing Subversion and the >>>> tools developers use with it. >>>> http://p.sf.net/sfu/wandisco-dev2dev >>>> _______________________________________________ >>>> Mlt-devel mailing list >>>> mlt-de...@lists.sourceforge.net >>>> https://lists.sourceforge.net/lists/listinfo/mlt-devel >>> >>> >> >> >> >> -- >> +-DRD-+ >> >> ------------------------------------------------------------------------------ >> Get a FREE DOWNLOAD! and learn more about uberSVN rich system, >> user administration capabilities and model configuration. Take >> the hassle out of deploying and managing Subversion and the >> tools developers use with it. >> http://p.sf.net/sfu/wandisco-dev2dev >> _______________________________________________ >> Mlt-devel mailing list >> mlt-de...@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/mlt-devel > > -- +-DRD-+ ------------------------------------------------------------------------------ FREE DOWNLOAD - uberSVN with Social Coding for Subversion. Subversion made easy with a complete admin console. Easy to use, easy to manage, easy to install, easy to extend. Get a Free download of the new open ALM Subversion platform now. http://p.sf.net/sfu/wandisco-dev2dev _______________________________________________ Kdenlive-devel mailing list Kdenlive-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kdenlive-devel
