Mov files lagging in preview window

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Hello.
I have Camtasia Studio 8. I have a Nvidia GTX580 and a AMD Phenom II X6 Black Edition 1100T, 3300 MHz (16.5 x 200) 8GBRAM.
When I import move files there is a huge lag on the preview window. Its almost impossible to work with it. I have a Canon EOS 550D / Rebel T2i and it only records in *.mov format. Is there a solution?

Thank you
Stefan
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Stefan Klinge

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Posted 7 years ago

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gailmail

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Yes, similar results for .MOV files from new Iphone 5 recordings. Camtasia does NOT support some MOV files. I can import any previous MOV files and they work fine.

I edit my kids' sports videos and have used iphone 4 doing this for 2 years.  Have spent a good 30 hours on this in the last few weeks, and have been blaming my computer and Camtasia and codecs, when I realized it was the phone upgrade! Who really knows why? And yes, I have Ensharpen, Quick Time PRO, and the Techsmith Codecs all reinstalled multiple times, and all drivers updated using Driver Max.

I have both 7.1.1 and 8 (which I hate because you have to manually separate the audio on each clip to look like 7.1.1 and I use it mostly for that with 30 clips). It's 5 minutes of flag football clips lasting 10-45 seconds. 

You have to convert the MOV files that give this kind of trouble because they do not work in Camtasia--black screen, jerky drag, out of sync. You can do them one by one. There are lots of free software out there that can do this, I have not experimented with that yet.

WORKAROUND 1

Here's the workaround I used, using Camtasia:

-Bring in your videos into Camtasia Studio, drag to timeline, put in transitions etc.
-You will not be able to edit or review the film
-Produce the video for Web, using the iphone dimensions into an MP4 file.
-Re-import that file into Camtasia, drag to timeline, and VOILA, it works fine. The smaller MP4 file somehow works.

WORKAROUND 2

Convert huge (both dimension and MB/GB sizes) files using a converter-- I use free Video to Video-- choose MP4 with AVC / H264 choice, and change the size from the huge 1920 x 1080  dimensions  to 640 x 360 or another widescreen dimension that is 16:9 ratio. It batch converts all files at once and can store in same folder as source MOV files. Files are smaller (about 10% of the size) all around including dimensions and will play in preview screen.

When you import them they will play fine like my videos from my previous iphones did. Really can't believe how Techsmith and all these forum posts run around this issue and the hours I've wasted figuring out that the files won't play on an average laptop running Camtasia because they are just too big.

Hope this helps someone!

      

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Swe Kiwi

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Your second workaround works, but it loweres the quality of the 1080p clips I have of our trip with at least 30-40%. Is there a way to do the workaround but still keep the quality intact?
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OT

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I'm having the same issue. I'm on version 8.5.0.

I have fully updated Quicktime, and I'm running an AMD FX-6300 64bit 3.5GHz with 16 GB of ram. My GPU is a bit dated, but if the above user is experiencing the same issue with their GTX580, then I'm hesitant to update.

Please respond soon, as I will need to refund within 30 days if Camtasia cannot handle these files.

Thanks.
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Aaron

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Hi OT,

For a quick test can you please try renaming a file extension of one of your files from .mov to .mp4 and see if it performs any differently?

Also, are you using the same camera as the above user?

Regards,

Aaron

(Edited)
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OT

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Hey Aaron,

I tried that earlier today after watching a youtube video recommending that method and it improved the lag a bit - I'd say about 30% improvement - but it's still quite laggy and unusable for editing.

In searching for a solution, I found this: https://support.techsmith.com/hc/en-us/articles/203729328-Camtasia-Windows-HD-MOV-files-can-cause-th... which says "last updated Jan 19, 2015" but since all the issues on that page have the same "last updated" date, I'm guessing that's just when that page was created. Since this thread is 3 years old, I suspect this has been a longstanding issue.

Limited editing ability of .mov files is a bit surprising given that it's the main format for canon DSLRs and for iPhones - which are popular. I would really like to be able to edit the 1080p .mov files directly at some point, but for now I'll make it work.

I tried using the Tools > Sharing > Bulk production conversion options within Camtasia but it increased the brightness of my videos slightly, so that's a no go for me, but it might work for other people who are reading this.

The work-around I've found is to use Lightworks to convert my 1080p .mov source files to 720p .mp4, and since I'll be exporting in 720p anyways this is fine for now, but I would really like to be able to work with the original .mov in 1080p at some point. The fact that a conversion step is required is pretty surprising for such a popular piece of software - hopefully you guys can address this soon.

I'm using a canon T4i - so very similar to the original poster but not identical.

Thanks for the prompt response.
(Edited)
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Swe Kiwi

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Does Lightwork keep the quality intact? No workaround the choppy preview has been able to keep the quality intact. 1080p isn't at must but 720p would be much appreciated.
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OT

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Yes, Lightworks is a professional-grade editing software, so the quality is maintained. Are you losing quality by changing just renaming the file from .mov to .mp4??
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Swe Kiwi

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No. My files (from a GoPro) were already in .mp4 format as raw files.
Would you say that Lightworks convert the files better than the free software Video to Video? (http://www.videotovideo.org/)
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OT

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Hi again,

I just upgraded my video card, and the lag issue persists, although it is a bit better. If I pause, and then run again, it will play lag-free for a little bit longer.

Changing to .mp4 does seem to reduce the lag more now, but I would like to know what affect changing the .mov to .mp4 could have on video quality and/or sound quality.

Can you please explain what I might risk losing if I change from .mov to .mp4?

Regards,
OT
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Joe Morgan

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Here is my explanation in a nutshell.

The.MOV files being produced by your DSLR are of very high quality. The files are also very large as a result. They are excellent to use in the editing process. There are many reasons for this. Color correction, special effects, audio tweaking, the list goes on and on.

The purpose of the MP4 rendering process is to compress that large file down far enough to make it easier to store, burn to Blu-ray disc, broadcast, etc. The file is optimized for viewing proposes.

The MP4 video looks good because it discards most of the information contained in the file, but still retains enough information to allow the playback to look great. But this also leaves no high quality information to work with at a later time.

So, you only want to compress a video file to MP4 once. When you take a MP4 file and produce it to MP4 again. The re-rendering process will require throwing away a lot of information again. As a result, the quality of your video will suffer.

The only reason the MP4's playback is smoother in Camtasia is because of the small file size. The program can process the information easier as a result.

 

Regards, Joe

(Edited)
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OT

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Hi Joe,

Thanks for the detailed response.
I should have been more specific in my question. I wanted to know that the effect of renaming a file from example.mov to example.mp4 would be in terms of quality? 

This is as per the suggestion above to simply rename the file (as opposed to using software to export a copy as an mp4). 

From what I've seen, renaming a file extension from .mov to .mp4 does nothing in terms of the file size, but it does seem to let Camtasia deal with the file better (i.e., the preview window does not lag as much).

Thanks,
OT
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Swe Kiwi

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Any better solutions yet?
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brianmt68

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I saw this as well with my DSLR MOV. files. here is what fixed it on my new HP envy laptop.

1. When you import the video to camtasia, selct the editing resolution that matches the one you recorded in. If 1920X180, select the same resolution for editing. If you put 1920x1080 in to camtaia and it has to scale it down while you edit, it slows it down. When you're finished editing , export at 1280x720 for the web.
2. change your computers power settings to high performance instead of the factory default. Some computers default to " appearance" or "power saving modes.
These two changes fixed my issue.

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