Latest post Fri, Jun 14 2013 6:18 PM by James Quest. 13 replies.
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  • Fri, Feb 4 2011 8:21 PM

    • Eric Hill
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    H.264 Quicktime Exports Not Loading Progressively

    Since upgrading to MC5, I've noticed that H.264 Quicktime exports no longer load progressively when embedded in a webpage.  In other words, you have to wait for the entire clip to download before you can begin to play it.  The workaround I've found is to open the file in Quicktime Pro and simply save it as a new self contained file.  This seems to restore the fast start/progressive load functionality.

    Has anyone experienced this?  I'm running MC 5.0.3 (no patches), on a MacPro 2x2.66 Dual-Core Xeon (Woodcrest), OS X 10.6.4, Quicktime 7.6.3.

    MC 8.4.0, OS X 10.9.5, mid-2010 MacPro, 2x2.66 GHz, 32GB RAM, NVIDIA GeForce GTX 680, AJA IO Express, Editshare (build 6.4.0.6-0) [view my complete system specs]
  • Fri, Feb 4 2011 8:45 PM In reply to

    Re: H.264 Quicktime Exports Not Loading Progressively

    Your Quicktime version is not the right version to use with 5.0.3. Not sure it matters, as I think anything MC under Snow uses QT X anyway, but just thought I'd mention it, as it may cause other issues on your machine. Check the version matrix.

    Media Composer Symphony | PT Ultimate | Win10 HPZ | OSX MBP | ISIS5000 [view my complete system specs]
  • Fri, Feb 4 2011 9:18 PM In reply to

    • Eric Hill
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    Re: H.264 Quicktime Exports Not Loading Progressively

    Thanks for the fast response.  I upgraded Quicktime Pro to 7.6.6 but the problem still persists.

    MC 8.4.0, OS X 10.9.5, mid-2010 MacPro, 2x2.66 GHz, 32GB RAM, NVIDIA GeForce GTX 680, AJA IO Express, Editshare (build 6.4.0.6-0) [view my complete system specs]
  • Fri, Jan 25 2013 8:12 PM In reply to

    • Eric Hill
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    Re: H.264 Quicktime Exports Not Loading Progressively

    It's been a few years since my initial posting, but this problem still persists in 6.5.  I was recently advised by a web developer that the reason fast start doesn't work on Avid exported H.264s is because they contain a timecode track which inhibits the fast start functionality.  Sure enough, I opened an Avid exported H.264 in QT Pro, deleted the timecode track, and fast start functionality was restored.

    So my question now is how does one disable timecode tracks on Quicktime exports?  Even with "Use enabled tracks" selected and all timecode tracks in the timeline deselected I still end up with a timecode track in my export.

    MC 8.4.0, OS X 10.9.5, mid-2010 MacPro, 2x2.66 GHz, 32GB RAM, NVIDIA GeForce GTX 680, AJA IO Express, Editshare (build 6.4.0.6-0) [view my complete system specs]
  • Tue, Jan 29 2013 12:20 AM In reply to

    • Eric Hill
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    Re: H.264 Quicktime Exports Not Loading Progressively

    Just got off the phone with Avid support and there is no way to disable the timecode track on Quicktime exports.  

    It would be great to see an "Include timecode track" option in the Export dialog box in future revisions of Media Composer.

    MC 8.4.0, OS X 10.9.5, mid-2010 MacPro, 2x2.66 GHz, 32GB RAM, NVIDIA GeForce GTX 680, AJA IO Express, Editshare (build 6.4.0.6-0) [view my complete system specs]
  • Tue, Jan 29 2013 12:39 AM In reply to

    Re: H.264 Quicktime Exports Not Loading Progressively

    It's easy to delete these tracks in QuickTime Player 7 or QT Edit.

    My software:
    Pro Maintenance Tools - Tools to keep Avid Media Composer, Final Cut Studio, Final Cut Pro X and Adobe Premiere Pro running smoothly and fix problems when they arise
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  • Tue, Jan 29 2013 12:58 AM In reply to

    • Eric Hill
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    Re: H.264 Quicktime Exports Not Loading Progressively

    I realize that, but when you're exporting a large number of sequences it can be quite tedious to open up every single file and delete the timecode track before uploading.

    MC 8.4.0, OS X 10.9.5, mid-2010 MacPro, 2x2.66 GHz, 32GB RAM, NVIDIA GeForce GTX 680, AJA IO Express, Editshare (build 6.4.0.6-0) [view my complete system specs]
  • Wed, Jan 30 2013 5:57 PM In reply to

    Re: H.264 Quicktime Exports Not Loading Progressively

    QT Edit will remove timecode tracks in a batch.

    My software:
    Pro Maintenance Tools - Tools to keep Avid Media Composer, Final Cut Studio, Final Cut Pro X and Adobe Premiere Pro running smoothly and fix problems when they arise
    Pro Media Tools - Edit QuickTime chapters and metadata, detect gamma shifts, edit markers, watch renders and more
    More tools...

  • Fri, Jun 14 2013 7:34 AM In reply to

    Re: H.264 Quicktime Exports Not Loading Progressively

    For the past 2ish years when I export an h264 quicktime.  I have to open them all in Quicktime Player again... and save as.   Just so they fast start on our posting sites.   This is really annoying.   Can we please fix this??! 

  • Fri, Jun 14 2013 1:09 PM In reply to

    Re: H.264 Quicktime Exports Not Loading Progressively

    If you exported QuickTime reference movies, then used Sorenson Squeeze to make the h264s, you won't get a timecode track, because Squeeze 8.5 and earlier doesn't support it.

    Why tie up your Avid to make web QuickTimes anyway?

    Symphony v2019 | OS 10.13.6 • Nitris DX • 12-core MacPro (Mid 2012) • 36 GB RAM • Facilis Terrablock 24EX [view my complete system specs]

    -- Kevin

  • Fri, Jun 14 2013 1:45 PM In reply to

    • smrpix
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    Re: H.264 Quicktime Exports Not Loading Progressively

    You don't need to strip the timecode, that's not the issue.  It's simply a matter of moving crucial metadata to the beginning of the file rather than at the end -- that's why opening and "saving as" in QT Pro works.

     

    Using QT Ref and an external encoder like squeeze is quicker anyway, because you aren't using QT to make the H.264

  • Fri, Jun 14 2013 4:47 PM In reply to

    Re: H.264 Quicktime Exports Not Loading Progressively

    Why can't AVID export this?  Why do we have a "fast start" prepared for streaming option in h264 when it doesn't work? 

  • Fri, Jun 14 2013 6:05 PM In reply to

    • Eric Hill
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    • Portland, OR
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    Re: H.264 Quicktime Exports Not Loading Progressively

    Kevin Klimek:

    If you exported QuickTime reference movies, then used Sorenson Squeeze to make the h264s, you won't get a timecode track, because Squeeze 8.5 and earlier doesn't support it.

    Why tie up your Avid to make web QuickTimes anyway?

     

    I'm not too concerned with tying up the Avid as most of my work is broadcast commercials which are usually 30 or 60 seconds long.  The difference between SAS and H.264 is a matter of seconds.  What irks me is the two step process.  Why can't we simply export web ready Quicktimes like we used to be able to do in MC 4 and earlier?  

    If MC 7 did nothing more than fix fast start functionality and the random segmentation faults that have plagued MC 6, I would be first in line to upgrade!

    MC 8.4.0, OS X 10.9.5, mid-2010 MacPro, 2x2.66 GHz, 32GB RAM, NVIDIA GeForce GTX 680, AJA IO Express, Editshare (build 6.4.0.6-0) [view my complete system specs]
  • Fri, Jun 14 2013 6:18 PM In reply to

    Re: H.264 Quicktime Exports Not Loading Progressively

    Same here.  I work in advertising.  :30sec  & :60 sec and lots of versions.   I can just select them in my bin and export and go get a cup of coffee.  The two step process has caused more room for error (usually in naming of files). 

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