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Why are photo slideshow animations so jerky?
Rank: Member
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Joined: 11/25/2019(UTC) Posts: 22 Location: Miami
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One of the thing that endlessly frustrates me with vMix are the TERRIBLE photo slideshow animations.
For instance, the overlay FADE animations are very nice. One input fades out, one fades in. Very smooth.
But on a photo slideshow, one fades out and the next slide JERKS in VERY SUDDENLY. It's just awful and ruins the look.
WHY WHY WHY have you written the slideshow animations completely differently than the overlay animations?
Either fix this terrible coding or give us a way to.
Thanks.
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Rank: Advanced Member
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Joined: 12/27/2012(UTC) Posts: 5,225 Location: Belgium Thanks: 293 times Was thanked: 955 time(s) in 790 post(s)
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Originally Posted by: mitchellvii One of the thing that endlessly frustrates me with vMix are the TERRIBLE photo slideshow animations.
For instance, the overlay FADE animations are very nice. One input fades out, one fades in. Very smooth.
But on a photo slideshow, one fades out and the next slide JERKS in VERY SUDDENLY. It's just awful and ruins the look.
WHY WHY WHY have you written the slideshow animations completely differently than the overlay animations?
Either fix this terrible coding or give us a way to.
Thanks. Can you show a recoding of the issue pls ? and maybe the settings and details about the photos? Might help Martin Edit FYI i seem to be able to simulate it when the fade time is 2000, not on the shorter times
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Rank: Member
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Joined: 11/25/2019(UTC) Posts: 22 Location: Miami
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Why do I need a recording? Anyone who has used the photo slideshow feature on vMix knows that this is the case. Photos animation and Overlay animations are COMPLETELY different. Why not just make Photos animations as smooth as overlay animations? They have intentionally made them different and worse.
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Rank: Advanced Member
Groups: Registered
Joined: 12/27/2012(UTC) Posts: 5,225 Location: Belgium Thanks: 293 times Was thanked: 955 time(s) in 790 post(s)
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Originally Posted by: mitchellvii Why do I need a recording? Anyone who has used the photo slideshow feature on vMix knows that this is the case. Photos animation and Overlay animations are COMPLETELY different. Why not just make Photos animations as smooth as overlay animations? They have intentionally made them different and worse. Hey i am just trying to help, being rude and making bold accusations is not going to help! Why would vMix make a lesser quality on purpose ? if there is an issue and is pointed out it can be checked and rectified but not by being a D*** (like in most of your posts so far) A recording of what happens can prove a point As i pointed out i noticed a similar issue with long transition time , not the others so there might be a bug
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Rank: Member
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Joined: 11/25/2019(UTC) Posts: 22 Location: Miami
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I'm sorry. You must be using the FREE version of vMix. Mine was actually quite expensive and I expect it to work. I also expect staff from the company to answer my technical questions and not some random person with easily hurt feelings.
WHERE THE HELL IS VMIX TECH SUPPORT I PAID FOR???!!!
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Rank: Advanced Member
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Joined: 12/27/2012(UTC) Posts: 5,225 Location: Belgium Thanks: 293 times Was thanked: 955 time(s) in 790 post(s)
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Originally Posted by: mitchellvii I'm sorry. You must be using the FREE version of vMix. Mine was actually quite expensive and I expect it to work. I also expect staff from the company to answer my technical questions and not some random person with easily hurt feelings.
WHERE THE HELL IS VMIX TECH SUPPORT I PAID FOR???!!! LOL right https://www.vmix.com/contact-us.aspx
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Joined: 7/28/2019(UTC) Posts: 351 Location: Santa Rosa Thanks: 1 times Was thanked: 53 time(s) in 51 post(s)
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Damn, Miami must be hot at this time of the year.
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1 user thanked Vince Beck for this useful post.
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Joined: 2/18/2014(UTC) Posts: 1,837 Location: Stockholm
Thanks: 144 times Was thanked: 297 time(s) in 250 post(s)
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@mitchellvii Buying an expensive car does not mean one can drive it. Even a bicycle requires training and some basic skills. And, if you want other bicyclists to help you its hard if the problem report is "jerky", as that can be caused by many things. Note, as stated on https://www.vmix.com/support/ this Forum is "an active community of vMix users", not a straight forward channel into vMix's support team. Furthermore, in your original post you broke the rules stated at https://forums.vmix.com/...EASE-READ-BEFORE-POSTINGDoggy is a very experienced vMix user and ranked "Advanced member". Why bash on him instead of supplying him, and us other users, with additional information concerning your problem. I suspect that you have made an incorrect setting, or use an underpowered system. But again, hard to tell without more info. /richard
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1 user thanked richardgatarski for this useful post.
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Rank: Advanced Member
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Joined: 10/31/2020(UTC) Posts: 147 Thanks: 2 times Was thanked: 28 time(s) in 28 post(s)
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Originally Posted by: mitchellvii Anyone who has used the photo slideshow feature on vMix knows that this is the case. I use photo slideshow, I have no problems.
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Rank: Advanced Member
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Joined: 10/31/2020(UTC) Posts: 147 Thanks: 2 times Was thanked: 28 time(s) in 28 post(s)
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Originally Posted by: mitchellvii But on a photo slideshow, one fades out and the next slide JERKS in VERY SUDDENLY. It's just awful and ruins the look.
This suggests to me that vMix is being slow to load the next photo. I can think of a few reasons this could be the case. 1. Using photos that are much too high resolution, and scaling it down to fit the screen. If this is the case, resize the photos in your favorite photo editor to the correct size. 2. Overloaded CPU. What's your CPU utilization look like when this happens? 3. Slow hard drive. Are the photos located on a local drive, or a network share? If local, is it a fast SSD, or a slow spinning hard drive?
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Rank: Newbie
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Joined: 5/12/2021(UTC) Posts: 2 Location: Detroit
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I'll post an example. https://drive.google.com...qA9Fi2A/view?usp=sharingExcuse the white band on the video. I don't have a release and need to respect privacy, but I think you'll still see the problem clearly. The photo lingers on the end of some of the fades and then drops off like a cut. And as you'll see it's not all of them. Some are completely clear. This happens to me a lot and I'd love to get it resolved. It shouldn't be due to a lack of resources. I'm running vMix Pro from an i9-9900K, with GeForce RTX2060 Gfx Card, and 64GB of RAM. All media is running on M.2 based SSDs. These photos are HD resolution or less. I also just updated to the newest version of vMix (24.0.0.62). I also tried converting all photos to PNG before import, no affect. Then, I also tried resizing all photos to 1920x1080 as base resolution before importing, no affect. Thoughts?
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Rank: Advanced Member
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Joined: 12/27/2012(UTC) Posts: 5,225 Location: Belgium Thanks: 293 times Was thanked: 955 time(s) in 790 post(s)
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Originally Posted by: cbanter I'll post an example. https://drive.google.com...qA9Fi2A/view?usp=sharingThe photo lingers on the end of some of the fades and then drops off like a cut. And as you'll see it's not all of them. Some are completely clear. This happens to me a lot and I'd love to get it resolved. Thoughts? It's sort of normal due to the fact the images are in various sizes. The new image fades on top of the old, and when finished the old is removed. You notice it when a smaller image fades on top of a larger one , not the other way round. Best is to edit the images so they all have the same size , for smaller ones edit them by putting them on a black full frame size image and save as one CUbe effect for example will not have that "issue" PS. Thank you for providing a clear example
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Joined: 4/30/2021(UTC) Posts: 4 Location: London
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i can see the problem , and it’s a simple fix.
i’m not going to tell you the fix because i prefer not to reward rudeness , but if you carefully view the video you posted, the answer is in plain sight.
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Rank: Newbie
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Joined: 5/12/2021(UTC) Posts: 2 Location: Detroit
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I'm a new poster to this sub just trying to solve an issue for everyone's benefit. And I'd rather not have to keep editing these in Premiere every time I can't get it to work. If you know the answer, please share. Thanks!
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Rank: Newbie
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Joined: 4/30/2021(UTC) Posts: 4 Location: London
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Originally Posted by: cbanter I'm a new poster to this sub just trying to solve an issue for everyone's benefit. And I'd rather not have to keep editing these in Premiere every time I can't get it to work. If you know the answer, please share. Thanks! so the issue is that vMix respects the alpha channel , which means that if the current still image is smaller than the previous one, as soon as the fade is finished, the outgoing image is removed. so it pops off . the solution is to run a batch process on all the slides in the image folder which scales the image and puts it on a solid black background. then resaves the images. this means that all stills are “full screen” even though some of the screen may be/ can be/ will be solid black. photoshop does this sort of batch processing as do several free image processing programs , it takes less than a second per image to load it, apply the background and re-save . So although it sounds daunting , but it’s automated so it’s dead easy, and very fast. as with all these things, preparation is the key. So getting the source files in a nice unified shape, size, format etc. is the key to having smooth slideshows. and it will reduce the load on vMix. i hope this is helpful.
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Rank: Member
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Joined: 11/25/2019(UTC) Posts: 22 Location: Miami
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OR, now hear me out...
VMix could make fade-in work like every other software package on the planet and fade the old image out and the new image in.
This would literally take one line of code to fix.
Incomprehensible to me that vMix will not address this. It causes so many issue.
REMEMBER:
Fade in and out works perfectly when changing overlays. Just use that code on the slideshow.
But they don't.
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Rank: Advanced Member
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Joined: 6/2/2012(UTC) Posts: 103 Location: Germany Thanks: 13 times Was thanked: 10 time(s) in 9 post(s)
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Change the Master Frame Rate to 60i or something else to get smoother fade transitions
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Rank: Advanced Member
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Joined: 6/2/2012(UTC) Posts: 103 Location: Germany Thanks: 13 times Was thanked: 10 time(s) in 9 post(s)
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Quote:so the issue is that vMix respects the alpha channel , which means that if the current still image is smaller than the previous one, as soon as the fade is finished, the outgoing image is removed. so it pops off . Cool this is exactly the problem, thanks.
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