> 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? > You should use lossless for an intermediate file
Using Debian Sid on the single file named 'DSC_0124.MOV': - *If i export DSC_0124.MOV to a Lossless H.264 Slow (the audio is in sync after), and then export again to every format that I tried (H264, MERG-4, MPEG2), I had sync issues after that second render.* - If I export DSC_0124.MOV to mpeg2 the audio was correct the first time, but exporting again to anything had audio sync issues after the second render - If I export DSC_0124.MOV to an h.264 and reexport to h.264, for completeness, it still has sync issues after the second render. > If so, can you reproduce it using one of the binary builds I provided > to this thread yesterday? Using DD's Ubuntu x64 build (on Debian) I have: - If I export DSC_0124.MOV to lossless H.264 Slow and then export again to anything, it had audio sync issues issues. - If I export DSC_0124.MOV to FFV1 and export again to anything, *I don't have sync issues* - If I export my complex project (which started this conversation) to FFV1 Lossless, and then to Youtube or MPeg4 or H264, *no issues*; the audio syncs and things look and sound good - If I export my complex project (which started this conversation) to FFV1 Lossless, and then to Android, the render crashes Dan, I think that your builds have fixed or improved the syncing. Is this coincidence that I'm asking about these issues now? It seems, the answers lie in the newer release; the matching of profiles, clips, export framerates; and the use of Lossless as an intermediary format > Understandable, but for future reference you can also add the first > project to the second project as a clip. I've read this but I don't understand how. If I try to "Add Clip", I get video formats to pick from but none of the projectname.kdenlive files appear. I don't see an option to "Add Project" or "Embed Project". How can I add a project? Thanks everyone! On Fri, Feb 8, 2013 at 3:06 PM, el jefe delito <eljefedelito at gmail.com>wrote: > 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 > -- http://tinyurl.com/8zt5jux e: eljefedelito at gmail.com t: @robodioxide -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.kde.org/pipermail/kdenlive/attachments/20130210/c5cb5cd1/attachment.html>
