On Sun, Jan 20, 2013 at 7:54 PM, Steven Boswell II <ulat...@yahoo.com> wrote: > Hello! I followed the instructions at > http://kdenlive.org/contribution-manual/how-submit-patch -- I submitted a > bug report, which can be found at > http://www.kdenlive.org/mantis/view.php?id=2953 , and now I'm mailing the > kdenlive-devel list. > > My patch allows rendering to raw YUV. I wanted this feature because I want > to clean up my video clip (e.g. brightness, contrast) in kdenlive, then > export it to raw YUV for processing in mjpegtools (where I'm one of the > developers), then bring it back into kdenlive for editing/FX/etc. > > The problem is that the exported raw-video is marked as progressive, even > though the parameters passed to MLT say that the video is not progressive! > (My input video is miniDV, which is bottom-field-first interlaced.) I know > how to fix this in mjpegtools, but I'm looking to fix the original problem. > This may be an MLT bug, in which case I'll keep digging there. But in > kdenlive, the "top" property in ProducerAvFormat (see > http://www.mltframework.org/bin/view/MLT/ProducerAvformat for more info) > doesn't appear to ever be set!
A producer is for the input. The avformat consumer is for output. The avformat producer's top property does not need to be set with a DV input unless you are trying to override the detected field order. The avrformat consumer sets ILME and ILDCT on the AVCodecContext flags when the mlt profile/consumer is set for non-progressive output. It is not clear to me if that information is passed to the libavformat yuv4mpegpipe. There might > > Does kdenlive handle interlaced video properly? yes > Does it keep track of the difference between top-field-first and > bottom-field-first, i.e. if the > interlacing type of imported clips differ from each other? I haven't beaten yes > the other export types to death yet, but raw YUV is pretty hard to mess up, > and it's not working right, so I thought I'd ask. > > Thanks for your help with this! I'm happy to contribute to your project, if > I can get some direction from you. ------------------------------------------------------------------------------ Master Visual Studio, SharePoint, SQL, ASP.NET, C# 2012, HTML5, CSS, MVC, Windows 8 Apps, JavaScript and much more. Keep your skills current with LearnDevNow - 3,200 step-by-step video tutorials by Microsoft MVPs and experts. SALE $99.99 this month only -- learn more at: http://p.sf.net/sfu/learnmore_122412 _______________________________________________ Kdenlive-devel mailing list Kdenlive-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kdenlive-devel
