Database Users

720p vs 1080p video recording

Do you typically record 720p or 1080p video? I use 720p because the files are smaller and I own a 720p tv. I wondered if 720p might offer better quality in low light conditions because it can average over more pixels in the sensor?
Also if the phone cpu is working too hard at 1080p does it reduce quality by upping compression and increasing lossyness?
Or is 1080p substantially better choice with the only downside being bigger files?
Generally I've found video IQ to be some what independent of resolution (on other devices) because compression generally goes up with resolution negating a lot of the benefits.
Thoughts?

Im using 720p cos it seems to me more clear and more smooth playing...plus less zoom.....
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So 720p plays back smoother? Just on the phone screen or over hdmi?
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jdurston said:
Do you typically record 720p or 1080p video? I use 720p because the files are smaller and I own a 720p tv. I wondered if 720p might offer better quality in low light conditions because it can average over more pixels in the sensor?
Also if the phone cpu is working too hard at 1080p does it reduce quality by upping compression and increasing lossyness?
Or is 1080p substantially better choice with the only downside being bigger files?
Generally I've found video IQ to be some what independent of resolution (on other devices) because compression generally goes up with resolution negating a lot of the benefits.
Thoughts?
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Click to collapse
You are right, due to the binning would select the less noisier pixels and thus, the 720p video quality [except for resolution ofc ] would be much better.

I prefer 720p mode, only because of the field of view, it's just too narrow angle in 1080 mode.
Suppose it could come in handy if wanting to shoot something more distant but for indoor work it's not wide enough.
Sent from my GT-I9100 using XDA App

For me only 720p, because in 1080p I get a thin, purple line over the image that's also recorded into the vid, making my 1080 mode effectively broken.

I always thought 1080 as higher quality than 720p. Maybe for mobile this is different? Any source or test for this?

I'll try and shoot some comparison footage tomorrow.
Not sure if YouTube's compression will make the difference impossible to tell though.

Si14 said:
I always thought 1080 as higher quality than 720p. Maybe for mobile this is different? Any source or test for this?
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This is a totally different matter. Yes, 1080 pixels are "higher" than 720, obviously . But there are other factors also on our device.
I just record in 720p. Never really compared the two, but I don't need 1080p usually, so I' don't need those huge files either.

Good discussion on here, guess I'll have to switch to 720p now on.

I tried recording an apple in the 2 modes and to my surprise the 720p mode is indeed much clearer and wider then 1080p.
Go for 720p

I prefer 720 p... for my the quality is enought and the size of the videos is so better.
Regards

[Q]

I was wondering if there was some sort of video upscaling present when videos of a lower resolution like 720p and 1080p videos are played. I mean, there's not much point in a QHD screen if even 1080p videos are pixelated, right?

What do you mean? They have to be upscaled, how else would you want to watch them? In a small window? 720p should upscale without any quality loss (1 pixel becomes 4 pixels), 1080p should look great too but with a slight, probably not noticable at such small screen size quality loss.

1080p videos look great on my Tab S 8.4 i don't see any reason why they wouldn't on the Note 4.

Sorry. Yeah, I mean lossless upscaling.

inadequate said:
Sorry. Yeah, I mean lossless upscaling.
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Lossless...?
Relative to the 1080p, sure, it's lossless as you don't lose any resolution from 1080p. Relative to 1440p? Well, in that case of course you lose resolution if the source video isn't 1440p.
Sorry, I'm not too sure what you mean by lossless.

Looks like I've been doing a shoddy job of explaining myself. Sorry about that.
I know that this may sound completely retarded, but what I meant to ask was this : Does the Note 4 have the same type of upscaling that is present in 4K televisions?

Why can't record 1080p with 60fps?

Why is this not available on the newest version of nexus line?
If you pick a other app, is then possible to record 1080p 60fps?
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????
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Hmmmm cant see anywhere the answer
Send with the App Tapatalk

Technically speaking the Snapdragon is capable of processing 1080 @ 120 FPS, however there may be either a hardware limit on the sub-processor of camera (haven't even looked if there was one). As far as I can see from the kernel source posted on AOSP there is a high media profile for [email protected] fps and [email protected], Theoretically you might be able to just create another entry in the profile to enable it.

Bump..
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I'm very very interested to this discussion! The last nexus 6 was 100% capable of recording fullhd videos @60fps but Google disable that function and nobody know why, I was absolutely sure that in this nexus 6p that record mode would be present! There are no reason why it should be disabled, who cares if I can record a bird at 240fps (in slow motion), how many times somebody use this functions? One in a month?
How many instead make some (normal) videos? Maybe two/three times a week or even more and recording @ 60fps instead of 30fps is like day and night! Damn Google.

Why would you ever want to record 1080p videos @ 60fps? You would never be able to tell the difference from from 30fps. The human eye can only see about 42-45 fps. If you shoot a video at 60fps it is actually going to look unnatural. Most that shoot 60fps do so only because they intend to slow it down to 30fps in post production.
30fps is the standard and it is rare to shoot video at higher frame rates. In fact, shooting at 60fps would reduce your shutter speed requiring more light to get a quality video.

nonnasmyladie said:
Why would you ever want to record 1080p videos @ 60fps? You would never be able to tell the difference from from 30fps. The human eye can only see about 42-45 fps. If you shoot a video at 60fps it is actually going to look unnatural. Most that shoot 60fps do so only because they intend to slow it down to 30fps in post production.
30fps is the standard and it is rare to shoot video at higher frame rates. In fact, shooting at 60fps would reduce your shutter speed requiring more light to get a quality video.
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Because 60fps looks a lot better - obviously.
I don't know how you, or anybody can even come close to thinking the 30 frames per second is OK when you have the option of 120 and 240.
Have you never seen a YT video with 60fps!? Yeah... You're blind if you can't see the difference. It makes no sense for Google to have those very high frame rate options but still not have 60 frames per second at 1080p.
Also, no, you are wrong about people slowing down 60 frames per second video. You would slow down 120 or 240, yes, but nobody in their right mind would use 60 frames per second down to 30 in today's world. You would just use the 60 frames per second video because it looks a lot smoother.
You sound very ignorant in your post. Nearly all of what you said is bull****.

nonnasmyladie said:
Why would you ever want to record 1080p videos @ 60fps? You would never be able to tell the difference from from 30fps. The human eye can only see about 42-45 fps. If you shoot a video at 60fps it is actually going to look unnatural. Most that shoot 60fps do so only because they intend to slow it down to 30fps in post production.
30fps is the standard and it is rare to shoot video at higher frame rates. In fact, shooting at 60fps would reduce your shutter speed requiring more light to get a quality video.
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I don't know about your source, but the human eyes are seeing the world at arround 2000fps.
PS: you can clearly see the difference between 30vs60 and you can see a little difference at 120fps

I think that poster is either a troll or a moron - or has been reading console forums (because anyone with half a brain knows that what they said is a complete lie)
Me thinks they didn't read before spewing garbage. Shame really...

marcoruzza said:
I'm very very interested to this discussion! The last nexus 6 was 100% capable of recording fullhd videos @60fps but Google disable that function and nobody know why, I was absolutely sure that in this nexus 6p that record mode would be present! There are no reason why it should be disabled, who cares if I can record a bird at 240fps (in slow motion), how many times somebody use this functions? One in a month?
How many instead make some (normal) videos? Maybe two/three times a week or even more and recording @ 60fps instead of 30fps is like day and night! Damn Google.
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nonnasmyladie said:
Why would you ever want to record 1080p videos @ 60fps? You would never be able to tell the difference from from 30fps. The human eye can only see about 42-45 fps. If you shoot a video at 60fps it is actually going to look unnatural. Most that shoot 60fps do so only because they intend to slow it down to 30fps in post production.
30fps is the standard and it is rare to shoot video at higher frame rates. In fact, shooting at 60fps would reduce your shutter speed requiring more light to get a quality video.
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Click to collapse
iRub1Out said:
Because 60fps looks a lot better - obviously.
I don't know how you, or anybody can even come close to thinking the 30 frames per second is OK when you have the option of 120 and 240.
Have you never seen a YT video with 60fps!? Yeah... You're blind if you can't see the difference. It makes no sense for Google to have those very high frame rate options but still not have 60 frames per second at 1080p.
Also, no, you are wrong about people slowing down 60 frames per second video. You would slow down 120 or 240, yes, but nobody in their right mind would use 60 frames per second down to 30 in today's world. You would just use the 60 frames per second video because it looks a lot smoother.
You sound very ignorant in your post. Nearly all of what you said is bull****.
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warplane95 said:
I don't know about your source, but the human eyes are seeing the world at arround 2000fps.
PS: you can clearly see the difference between 30vs60 and you can see a little difference at 120fps
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iRub1Out said:
I think that poster is either a troll or a moron - or has been reading console forums (because anyone with half a brain knows that what they said is a complete lie)
Me thinks they didn't read before spewing garbage. Shame really...
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Click to collapse
I can definitely say that I can see it. Between 30fps and 60fps. Soooo much smoother and crisp. If you look a sample on youtube. You only want 60 fps.
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The human eye does not "view" at around 2000fps, it doesn't actually see in any fps while viewing the natural world. The human eye sees things live, as in ~fps. Those of us with good eyesight can definitely see the screen refresh on lower rates like 60fps. My TV is 1080p hd @ 50hz (which is not fps) & its gotten so painful to watch it, that I am considering a new TV. When you watch a 60fps video on a 50hz TV, the refresh rate & the frames of the video don't coincide & make the experience jumpy. 30fps looks better because the fps is slower than the refresh rate.
On our 2k phone screens however 30fps looks jumpy because the resolution is higher & our eyes are trying to view it in the same manner as we view the natural world.

iRub1Out said:
I think that poster is either a troll or a moron - or has been reading console forums (because anyone with half a brain knows that what they said is a complete lie)
Me thinks they didn't read before spewing garbage. Shame really...
Click to expand...
Click to collapse
I actually studied photography and film extensively in college as it was my major. It is true that 30fps is standard and 60fps would look awkward. There are some human eyes that notice changes up to 200fps but those are basically jet pilots, the exception not the rule. No human eye would be able to notice 2,000 fps. That is not possible. Lastly, set your camera to 240 fps and see how everything gets darker. That isn't a lie. It is a fact that high frame rates will result in darker, noiser videos because they require more light.

60 fps is not a good speed to shoot at. Especially in a sensor without IS. You will get more jitter in your video. I produce video for a living, as In it is my job and I do it daily. You dont EVER record in 60 fps unless you are capturing very fast action or are intending to slow it down. And when you record in 60 FPS, you always export it at 30 fps or 25 fps from Premier pro of Final cut, whatever you use.

All I know is that on my Note 4, I only record at 60fps 1080p and wow does it ever look better then anything I've ever recorded in 30fps.

Delete.

Photography and videography are not the same.
60fps is better than 30fps for any and all reason regardless of whatever you think you know - nobody agrees with you if they've seen 60fps video. It's day and night, and if you read anything from YT users, gamers, normal humans, they all say 60fps is better - in any scenario.
Back on point, however, still mind blown that this wasn't included with the camera.
I use Premier Pro and After Effects, and 60fps is my only export option - I wouldn't even consider lower unless it was SHOT lower, but never is. Look at my YT page. Nothing under 60fps once I had my hands on a camera capable of 60fps. I practice what I preach.
I would NEVER shoot 60 fps video with an intention to slow it down, that's stupid - that's what 120/240fps are for - those are to be slowed down.
60 fps is for normal viewing speed - anything higher is OK to slow down, but 60 down to 30 - no thanks. That's just a waste of good 60fps footage.

Any one tried snap camera on N6P yet? http://forum.xda-developers.com/showthread.php?t=2055140

nonnasmyladie said:
Why would you ever want to record 1080p videos @ 60fps? You would never be able to tell the difference from from 30fps. The human eye can only see about 42-45 fps. If you shoot a video at 60fps it is actually going to look unnatural. Most that shoot 60fps do so only because they intend to slow it down to 30fps in post production.
30fps is the standard and it is rare to shoot video at higher frame rates. In fact, shooting at 60fps would reduce your shutter speed requiring more light to get a quality video.
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Click to collapse
I'm not sure if you were being sarcastic or not , but I can tell you 100% that a human eye can see beyond whatever you have stated. I game on a 144hz monitor , and yes I could tell and feel the difference between 30/60/144.
Back on topic , I found it very weird already when the Galaxy s6/note 5 with the fast processor not being able to record in 240fps . Also , I've noticed slow motion inconsistencies regarding the 6p's 240fps , some youtube videos look buttery smooth , some looks like some slideshow. No idea what's causing this , any thoughts?

nonnasmyladie said:
I actually studied photography and film extensively in college as it was my major. It is true that 30fps is standard and 60fps would look awkward. There are some human eyes that notice changes up to 200fps but those are basically jet pilots, the exception not the rule. No human eye would be able to notice 2,000 fps. That is not possible. Lastly, set your camera to 240 fps and see how everything gets darker. That isn't a lie. It is a fact that high frame rates will result in darker, noiser videos because they require more light.
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Don't assume what others would find awkward. Guessing a lot like it since Google allows those to see it on Youtube. Even besides that, you say you can't see it or its "awkward". Okay. Me and plenty of others like it and can see the difference. Videos are not dark looking when I record ALL my videos with my iPhone.
Sad to see Google didn't include this with this latest Nexus device.
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H.265 video codec

Hi.iwanna ask about h.265 codec setting in our axon 7. Im using a2017g on b08 firmware. Is it normal when i set video to h.265 codec and 60fps the video become slightly zoomed compared to h.264 codec? Thanks

You mean the 1080p at 60fps mode using h.265? I have noticed that also.
That's probably a sensor crop. Sometimes you see that on devices when developers want to include a format that pushes the limits of what the hardware can handle. The device will sample less than the full dimensions of what the sensor can capture so that it is processing a more manageable amount of data. It then upscales each frame to the target resolution.
Personally, I think the 1080p 60fps mode on the Axon 7 looks like garbage. It's not just cropping the sensor, it's sporadically blurry because I think it's also interpolating a certain number of frames to reach 60fps. The bitrate looks inadequate and the colors are washed out. Most SD 820 phones don't even attempt a 1080p 60fps mode. While it's a type of real time hardware encoding that the chipset technically supports, I believe the results are not desirable. It probably drops a lot of frames unless developers implement tricks to improve the raw performance as Axon has attempted.
The 4K video mode at 30fps that uses h.265 looks pretty good to me though as long as there is an adequate amount of light. There's no sensor crop, the colors look better, there's substantially less blurring, and the level of compression artifacting visible is much lower.

argblah said:
You mean the 1080p at 60fps mode using h.265? I have noticed that also.
That's probably a sensor crop. Sometimes you see that on devices when developers want to include a format that pushes the limits of what the hardware can handle. The device will sample less than the full dimensions of what the sensor can capture so that it is processing a more manageable amount of data. It then upscales each frame to the target resolution.
Personally, I think the 1080p 60fps mode on the Axon 7 looks like garbage. It's not just cropping the sensor, it's sporadically blurry because I think it's also interpolating a certain number of frames to reach 60fps. The bitrate looks inadequate and the colors are washed out. Most SD 820 phones don't even attempt a 1080p 60fps mode. While it's a type of real time hardware encoding that the chipset technically supports, I believe the results are not desirable. It probably drops a lot of frames unless developers implement tricks to improve the raw performance as Axon has attempted.
The 4K video mode at 30fps that uses h.265 looks pretty good to me though as long as there is an adequate amount of light. There's no sensor crop, the colors look better, there's substantially less blurring, and the level of compression artifacting visible is much lower.
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Yes.thats answer my question.thank you:laugh:

argblah said:
You mean the 1080p at 60fps mode using h.265? I have noticed that also.
That's probably a sensor crop. Sometimes you see that on devices when developers want to include a format that pushes the limits of what the hardware can handle. The device will sample less than the full dimensions of what the sensor can capture so that it is processing a more manageable amount of data. It then upscales each frame to the target resolution.
Personally, I think the 1080p 60fps mode on the Axon 7 looks like garbage. It's not just cropping the sensor, it's sporadically blurry because I think it's also interpolating a certain number of frames to reach 60fps. The bitrate looks inadequate and the colors are washed out. Most SD 820 phones don't even attempt a 1080p 60fps mode. While it's a type of real time hardware encoding that the chipset technically supports, I believe the results are not desirable. It probably drops a lot of frames unless developers implement tricks to improve the raw performance as Axon has attempted.
The 4K video mode at 30fps that uses h.265 looks pretty good to me though as long as there is an adequate amount of light. There's no sensor crop, the colors look better, there's substantially less blurring, and the level of compression artifacting visible is much lower.
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naset said:
Yes.thats answer my question.thank you:laugh:
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What about 1080p60 on the Lineage camera? I believe it looks much better than stock 1080p60.
Maybe snap is even better (caf sources?)
Also, I have no idea about this sorta stuff, but what would the bottleneck be? There's a dedicated image processing thingy on-die, right?

Choose an username... said:
What about 1080p60 on the Lineage camera? I believe it looks much better than stock 1080p60.
Maybe snap is even better (caf sources?)
Also, I have no idea about this sorta stuff, but what would the bottleneck be? There's a dedicated image processing thingy on-die, right?
Click to expand...
Click to collapse
Never try los yet so i dont know the quality

@argblah,
Hi, have you tried this issue on other phone? Have you fixed your phone's problem?

Why is video recording 1080p at 60fps pixelated?

I saw it mentioned in a review, but I don't see a reason this should happen. I know this phone model vs the Mi 9 or the 9T Pro doesn't support 4K @60fps due to CPU capabilities, and for costs' sake the coupled image sensor is also a similar version which nominally identical to the Mi 9's sensor other than not supporting 4K @60fps (lower bandwidth on the image sensor's processor?). The 1080p resolution is also nominally a bit truncated due to this, with 240fps slow motion only being supported at 720fps (and 1080p going up to only 120fps), but I don't understand what's up with the pixelated quality?
With 1080p @30fps, there is no such pixelation, and zooming in even x5 keeps a pretty decent quality with no such rough pixelation. I'm not sure if the phone knows how to adjust the number of pixels used out of the entire sensor while digitally zooming instead of stretching the rendered image, but even if it's only digital crop-and-stretch, at 30fps it at the very least uses a decent filter that smoothes square pixelation.
I can see when using 60fps that the image view is slightly zoomed in, meaning it probably uses a bit less pixels out of the entire available sensor, but it's a very small difference which doesn't match the severity of the actual effect, and again — it doesn't even try to smooth the pixelation. At 120fps the pixelation is even worse.
I suppose having a higher possible bottleneck might secure more consistent performance at lower settings (so perhaps in some aspects you could expect a phone rated to capture at up to 1080p @240fps to perform better at 60fps than a phone only rated to capture at up to 1080fps @120fps), but what's going on in this case doesn't seem reasonable.
So what's your take on this? Should this issue be fixable through software update?

post a sample of video you are talking about please

Nexus5-32GB said:
post a sample of video you are talking about please
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There's no need for a full video, even. Here are a few screenshots from recorded videos in different settings:
At 30fps, no zoom:
https://i.ibb.co/XjmqxHr/FHD30fps.png
At 30fps with X5 zoom:
https://i.ibb.co/yd6pMBs/FHD30fps-Zoom-X5.png
At 60fps, no zoom. Here you can already see some blocky pixelation along fine lines if you pay attention:
https://i.ibb.co/pL6PTkc/FHD60fps.png
At 60fps with X3 zoom. As you can see it doesn't even try to filter the upscaling, so you just end up with blocks of cubic pixels:
https://i.ibb.co/cLNcxzK/FHD60fps-Zoom-X3.png

I can definitely see the pixelation you are talking about, but is it in video itself or the pixelation is because of the video player you are using? Thats why I told you to post the original video.
Also what rom are you using?

same for my device,it has that pixelation on 1080p 60fps recording.
playing it on pc vlc or mpc-hc have it too.
was waiting for someone to create a thread about it. tnx
k20 10.3.8.0 in

Nexus5-32GB said:
I can definitely see the pixelation you are talking about, but is it in video itself or the pixelation is because of the video player you are using? Thats why I told you to post the original video.
Also what rom are you using?
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It is in the video itself. It shows in the camera's "viewfinder" while recording, and then the same way when playing the recorded file. As I said, 120fps is even worse, while it isn't saved at 120fps but at 30fps slow motion in case you thought it's the videoplayer mishandling 60fps playback.
I'm using the official MIUI it came with.

Abyzt said:
same for my device,it has that pixelation on 1080p 60fps recording.
playing it on pc vlc or mpc-hc have it too.
was waiting for someone to create a thread about it. tnx
k20 10.3.8.0 in
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As I mentioned, I already saw something said about this in a review, but I don't see a reason why it should perform this bad with anything above 1080p 30fps. Because the digital zoom on 30fps remains fairly detailed even at around X3, I wonder if the sensor knows how to limit the area of pixels from the sensor used before rendering the frame, thus creating a better digital zoom than just cropping and stretching up from the normal amount of pixels being used. The image is slightly zoomed already in 60fps, as I mentioned, but seeing how it just takes the already somewhat pixelated quality and stretches it up exactly as-is in 60fps, it definitely doesn't use any sensor area limitation trickery in that case.

TLxda-d said:
It is in the video itself. It shows in the camera's "viewfinder" while recording, and then the same way when playing the recorded file. As I said, 120fps is even worse, while it isn't saved at 120fps but at 30fps slow motion in case you thought it's the videoplayer mishandling 60fps playback.
I'm using the official MIUI it came with.
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I have tested my own Mi9T and can say the 60fps video suffer from pixelation for sure.

has the same problem on the gcam ports too on 60fps
so i think xiaomi has to do something on the camera firmware
or imx 582 cant handle it mmm idk

Abyzt said:
has the same problem on the gcam ports too on 60fps
so i think xiaomi has to do something on the camera firmware
or imx 582 cant handle it mmm idk
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This would be quite strange if it's hardware limited to this extent. Both the Snapdragon 730 and the IMX 582 are rated for 4K at 30fps, which in number of pixels per second is equal to 1080p at 120fps (which the phone also features as an option). But if this upper limit is so far from perfectly-handled that even at half the data (1080p at 60fps) it provides Crappy crappy results... Strange. Are there any other phones currently using this sensor, so we can check if there had been similar complaints?

found this it has imx 582 mi a3 with pixelation
watch?v=8YC_Zk1-cSg

Abyzt said:
found this it has imx 582 mi a3 with pixelation
watch?v=8YC_Zk1-cSg
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That's quite strange and annoying. The SD 730 is better than the SD 665, so if it happens on both we know it's more likely related to the image sensor itself. But it seems unlikely a sensor released with specifications allowing it to capture up to 120fps at 1080p would perform this badly at 60fps. It looks as if if just takes a 720p 60fps feed and upscales it (without any scaling filters) to 1080p. Maybe it's indeed an issue with how Xiaomi implemented this sensor in software? Both phones we have as examples are from the same manufacturer, so a third party phone could be a better indicator.

Abyzt said:
has the same problem on the gcam ports too on 60fps
so i think xiaomi has to do something on the camera firmware
or imx 582 cant handle it mmm idk
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Would you be so kind and tell me more in how you managed to make 1080p/60fps work on Gcam?
USing my Gcam port, the app instantly crashes when trying to use the 60fps mod....everything else works just fine.
USing Ornyx05 - 0709 port.

Pejpi said:
Would you be so kind and tell me more in how you managed to make 1080p/60fps work on Gcam?
USing my Gcam port, the app instantly crashes when trying to use the 60fps mod....everything else works just fine.
USing Ornyx05 - 0709 port.
Click to expand...
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use the ports by xtrme

Abyzt said:
use the ports by xtrme
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Thanks, that worked a treat
Found out which settings you most satisfied with ?

On mine is not pixelated..

dandopa said:
On mine is not pixelated..
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Could you shoot an example of 1080p at 60fps, perhaps use x2 zoom as it shows the issue much more clearly on my phone, and then upload the example? Or just a screenshot of a frame.

So, months have passed and I wonder....do we have a conclusion/reason why the 1080p 60fps videos are still pixelated/jagged when zooming in even a little bid?
For the love of me i cant find anything on that matter anywhere on the web.
Is there a workaround? is it just the camera sensor? software? something else?

Still alive?
It seems to be specific to IMX582 sensors.
My POCO X3 Pro has exact same problem.
I have created an HLSL shader program to mitigate this, and it works well on MPC-HC.
I hope someone would port it to Gcam to do it in real time.
For comparison, added the stock image and one halfed then doubled.

Just for information.
This pixelation occurs also on Huawei Mate 9.
So, my thought is that may be caused by skipped scan lines to achieve 60 fps and poor interpolation for malformed Bayer array (see the attachment picture).
Considering that, I updated my HLSL shader to re-decode the array.
It should not be a perfect solution because there is theoretical restriction by non-uniformity of its subpixels.
I still looking for some way to apply the shader directly to raw pixels before encoding to H.264/H.265 in camera apps.