Thanks for getting back to me. > Are you referring to just image quality or also A/V sync? Both the visual and the syncing look good.
> Does the A/V sync look good in Kdenlive's monitors even after scrubbing or seeking? Yes, at all points during my editing process the sync seems to be just fine. > Can you reproduce the problem by simply placing a clip on a timeline > by itself, rendering that, make a new project, add the rendered clip > to a timeline by itself, and render that? I will try this tonight and get back to you. > If so, can you reproduce it using one of the binary builds I provided > to this thread yesterday? I will try this as well. Thanks again! On Fri, Feb 8, 2013 at 2:59 PM, Dan Dennedy <dan at dennedy.org> wrote: > On Fri, Feb 8, 2013 at 6:05 AM, el jefe delito <eljefedelito at gmail.com> > wrote: > > Thanks for the help. > > > > > >> To the original poster, you need to provide a sample file, the project > >> settings, and the render settings in order to investigate. > > > > My Nikon clips are 1280x720 at 23.98 FPS so that's what I changed my > project > > file to use. I exported this at the H.264 setting with default values, > and > > the output appears perfect. However, I need a logo overlay / watermark > and > > trying to do that in the original project, the KDEnlive editor wanted to > > composite that image with a specific video track; my video is edited and > on > > multiple tracks so I thought it'd be easier to add as a new project (and > > yes, I'd lose some quality with the re-render). > > Understandable, but for future reference you can also add the first > project to the second project as a clip. However, this H.264 profile > is a very poor choice for this because it is designed for distribution > not for editing because the GOP size (keyframe interval)) is set to > 250 frames. At 23.98 fps, that makes the GOP over 10 seconds! That > will make seeking and thereby a/v sync more challenging. You should > use lossless for an intermediate file, and they are faster to encode > as well. > > > Ok, so the first output looks great. > > Are you referring to just image quality or also A/V sync? Does the A/V > sync look good in Kdenlive's monitors even after scrubbing or seeking? > > > The next run, new project, same > > project settings and using only the recently exported file and a > > transparent-background jpg, however, tells me at Render time that there > are > > No Matching Profiles for the H.264 option ? which should be the exact > > profile that I just used! How can it not match itself? If I use it > > There appears to be a cosmetic bug here. In a fresh project, the first > time you open the Render dialog it defaults to the HDV group, and > indeed HDV is not compatible with 720p23.98 (according to MLT and > Kdenlive). This message should not apply to the H.264 render profile > as it has no restrictions like that, but I saw the warning as well > when I used your overlay project. So, there is some state bug that > makes the render dialog erroneously issue that warning. > > > anyways, I get audio sync issues worse than ever. > > > > Attached are the two projects I've been working on (normal edit, and then > > where I just add the overlay watermark). However, I don't have a short, > > decent clip to use to demo these sync issues so I'll have to shoot that > > later and send it in 10 hours or so. > > > > Based on this info, I do not need the original camera clip because it > is the render output of the first project that is giving you a > problem. I have not yet been able to reproduce this. I am not trying > to use your complex first project because that would take some time to > recreate with my own assets, and it does not appear to be necessary. > > So, I locate a 1280x720 at 23.98 clip in my library, add it a kdenlive > project with same settings, place it on a track by itself, and render > it with the H.264 profile. I check the output in a couple of players > including Shotcut (MLT-based) and Quicktime Player on OS X, both of > which are playing it with good sync. > > I open your overlay kdenlive project and replace the clip that is on a > track with the output from the preceding step. I render that out using > the render settings stored in the project file you provided (dual pass > H.264). The A/V sync of that output is good as well checked using same > players. > > Can you reproduce the problem by simply placing a clip on a timeline > by itself, rendering that, make a new project, add the rendered clip > to a timeline by itself, and render that? > If so, can you reproduce it using one of the binary builds I provided > to this thread yesterday? > > > ------------------------------------------------------------------------------ > Free Next-Gen Firewall Hardware Offer > Buy your Sophos next-gen firewall before the end March 2013 > and get the hardware for free! Learn more. > http://p.sf.net/sfu/sophos-d2d-feb > _______________________________________________ > Kdenlive-devel mailing list > Kdenlive-devel at lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/kdenlive-devel > -- http://tinyurl.com/8zt5jux e: eljefedelito at gmail.com t: @robodioxide -------------- next part -------------- An HTML attachment was scrubbed... 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