MP4 files not exporting correctly ScreenFlow 6

Hey. I know this might seem like a duplicate of other questions - but I couldn't find a solution.

I've made a video that is 3 minutes and 48 seconds long. It's really important work.

Well here's the thing, I made 2 animations and saved them as .mp4 (both of them are like 5 seconds long) to use them in this video, plus I filmed 3 small (max 30 seconds) videos and put those in the video too.

Everything in the video works perfectly, except for those parts, the two .mp4 animations and the 3 videos are completely black, but audio keeps on working fine. I've checked many times the videos, didn't see anything wrong. I only see the black screen after exporting to .mp4. I've had multiple issues with exporting videos in ScreenFlow to .mp4, once I had made a 2 minute and 18 seconds long video, exported it to .mp4 but didn't check the exported video (I didn't expect anything to go wrong) and when I was presenting it, I realized it had only exported 1 minute and 22 seconds of the video. You know what else is weird? I have text boxes on top of all the three videos I recorded on my phone, and all the text boxes work fine, absolutely no issues, except for being on top of a black screen, instead of the video itself.

EDIT: If I upload the video to YouTube and watch it there, it still has black screens on the .mp4 video parts.

I am using macOS Sierra 10.13.1 and ScreenFlow version 6.2.2. Any clues?

Thank you so much.

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  • Teodor Licht said:
    I am using macOS Sierra 10.13.1 and ScreenFlow version 6.2.2. Any clues?

     ScreenFlow 6.2.2 is not fully compatible with Sierra. Please update to 6.2.3 and do a test in a New Document. Download 6.2.3 on the linked page under Previous Versions at the top.

    Post back and note  if there are any improvements.

    It's mission critical that you include your complete computer specs. Include specific model and GPU. That's a  big factor.

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  • CraigS Updated to 6.2.3. Here's the thing, I had ScreenFlow from the App Store, so as far as I know, there is no license key, so now it thinks I've downloaded the demo version of 6.2.3! :(

    macOS High Sierra version 10.13.1

    MacBook Pro (Retina, 15-inch, Mid 2014)

    Processor: 2,5 GHz Intel Core i7

    Memory: 16 GB 1600 MHz DDR3

    Graphics: NVIDIA GeForce GT 750M 2 GB | Intel Iris Pro 1536 MB

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  • Teodor Licht Test the demo version of 6.2.3 and tell me if it works. Again test in a new document.

    The App Store doesn't allow updates after a new version (7) is released so we can't provide the update there. If 6.2.3 works we'll see what we can do on our end.

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  • I've had the same problem. 

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  • Andrew K If you're requesting help please include information and follow the instructions posted in this thread.

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  • CraigS Tested 6.2.3 and weirdly the same thing happened, black screen on MP4 parts. So weird. I had an urgent work to deliver so what I did record the edited video (with the MP4 parts) and then export that. For some weird reason there will only be a black screen if the MP4 is directly in the video, for example: https://i.imgur.com/suZvX5y.png This is SO weird. I exported the same video with the same setting (100% scaling, with Motion Blur) and now there was this green glitch on some parts: https://i.imgur.com/De7fdPK.png . Tried with scaling 50%, back to the complete black screen on MP4 parts only. Tried again with scaling 50% without Motion Blur, and still complete black screen. All of this was in 6.2.3. Everytime I have to export a video from ScreenFlow, I can't just everytime record the edited video so that I can export it without problems. I could upgrade to ScreenFlow 7, but I don't know if I can upgrade (so it costs only $39) since my ScreenFlow 6 comes from the App Store.

    EDIT: If I send this screenshot to ScreenFlow's Sales Team, they'd give me a coupon for the $39 upgrade. Is that right?

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  • Teodor Licht It looks like 6.2.3 didn't fix the issue with NVIDIA GPUs then. 

    Teodor Licht said:
    If I send this screenshot to ScreenFlow's Sales Team, they'd give me a coupon for the $39 upgrade. Is that right?

     Yes that would work. 

    You can certainly test with the free trial of ScreenFlow 7.1.1 to confirm it works (that should have the fix) before upgrading. You can put ScreenFlow 6.x in a folder in applications to make sure it doesn't get overwritten. Then download 7.1.1 and, in a new document, import the mp4 and try to export it.

    There's a workaround with 6.2.2 in which you can add the Vibrance filter to the mp4 and set it to 0 so it has no effect and export and it should keep the video from disappearing.

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  • CraigS Downloaded and tested out ScreenFlow 7, and worked perfectly – no black screen. Guess I should upgrade then. Thank you so much for your attention :)

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  • Teodor Licht Thanks for confirmation. When a new version is released the developers focus on fixing in the current version. 7.x is a very good upgrade.

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