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Activity Forums Apple Final Cut Pro Legacy After Multicam Render, clips are pixilated in external monitor during multiclip playback

  • After Multicam Render, clips are pixilated in external monitor during multiclip playback

    Posted by Robin Rudy on January 21, 2008 at 8:35 am

    Greetings, Cow Sages.

    After Multicam Render, clips are pixilated in external monitor during multiclip playback.

    3 camera dance project.

    1. I rendered a sequence that still needs to utilize the multiclip angeles in the viewer for the final edit.

    2. After reading some threads here, and after my own experience, once a multicam edit is rendered, during playback I can no longer see the 3 multiclip angeles in the viewer when option is set to open, when playhead is moving on TL– only when the playhead has stopped.

    3. So I need to have the multiclip playback function active for me to see the 3 angeles in the viewer.

    4. The problem is this: now when I play back this edit that I rendered on my external monitor, with multiclip playback selected, the clips look extremely pixilated. When I deselect the muticlip playback option, the clips look fine.

    5. I was unable to undo this render, and all sequences in autosave vault and previous edits have somehow been affected by this one render. I have attempted to reconnect media but it is not reconnecting. I have tried to save the project with a different name, and copy and paste the edit into a different sequence. I also tried Render manager, but it did not locate the render. I then went to the root level and deleted all of the render files associated with the render for this sequence “seqence 5” against the law of the FCP manual. The render stripe on the top of the sequence went to yellow and not grey, but the image still looks pixilated.

    My question is this:

    I can put up with the pixilated view of the edit, but why did this happen, and will this affect the final output to dvd? Again, when multicalip playback is deselected on the drop down arrow on the timeline, the image looks perfect, but again, I then cannot see the angeles in the viewer.

    Thanks for reading this long winded explination/ question.

    RRudy

    MacBook Pro / Intel Core 2 Duo / 2.2 GHz /
    2 GB memory / 800 MHz

    Paul Escandon replied 18 years, 3 months ago 2 Members · 3 Replies
  • 3 Replies
  • Paul Escandon

    January 21, 2008 at 8:42 pm

    Multiclip editing is very taxing on the system – when you’re working with multiple camera angles on screen in the 4-up or 9-up or 16-up views, Final Cut Pro will throttle down the settings so that you get video and audio playing in real time to make edit decisions – but depending on the speed of your system you will lose either quality (the pixelation) or you won’t see all the frames. This is called FCP’s Unlimited RT feature and this is where you see it kicking in.

    I’ve editing before on a 9-up with multiple streams of DVCPRO HD clips, and the quality was definitely cut back but this was only during the edit. When you make your edits and collapse the multiclips everything looks as it should.

    * * *
    Paul Escandon – Lead Editor @ Outdoor Channel
    Producer | Director – Oremus Productions
    http://www.oremusproductions.com
    Apple Certified Trainer – Final Cut Pro
    – –
    Adjunct Professor of Media
    John Paul the Great Catholic University

  • Robin Rudy

    January 21, 2008 at 9:07 pm

    Hi Paul,

    Thanks. This makes sense. Problem is, when I am looking at other sequences with the same set up that have not been rendered ther e is *no* pixilation. And before the render, during playback, this “sequence 5” did not look pixilared at all. I also find it curious, that when I go to previous edits of this now rendered sequence, that are saved in different project files, say, from a week ago, they too look pixilated. It is as if this one render in this one sequence has corrupted the media file? But when I go to the QT in capture scratch and scrub through them — the QT does not look corrupted.

    All the Best,
    RRudy

    MacBook Pro / Intel Core 2 Duo / 2.2 GHz /
    2 GB memory / 800 MHz / FCP 5.1

  • Paul Escandon

    January 21, 2008 at 9:18 pm

    I’m not sure that I’m totally following but in any case I’d recommend doing this…

    1. Collapse the multiclips for edit decisions that have already been made. If you’ve already cut a portion and no longer have a need for the 4-up view on a portion of your multiclips then collapse them. You can do this by selecting the multiclip and selecting collapse multiclips.

    2. Trash your render files so that you can rule out any sort of rendered file corruption. Go to Tools > Render Manager and check the Remove checkbox near your project and sequences.

    I’d then try cutting again and see if that doesn’t at least help some of the problem you were having.

    Oh and by the way, you can always uncollapse a multiclip the same way you collapsed the multiclip.

    * * *
    Paul Escandon – Lead Editor @ Outdoor Channel
    Producer | Director – Oremus Productions
    http://www.oremusproductions.com
    Apple Certified Trainer – Final Cut Pro
    Adjunct Professor of Media – JPCU

    MacPro Quad-core XEON
    8Gb ram, ATI Radeon X1900 XT, 2TB internal RAID
    2 20″ Dell UltraSharps + Matrox MXO & 23″ ACD

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