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Most consumers won't be the drivers of this. However gaming, workstations, and enthusiast needs will cause enough demand for storage sizes to go up. Modern AAA

by ctrl-j 10y ago

Most consumers won't be the drivers of this. However gaming, workstations, and enthusiast needs will cause enough demand for storage sizes to go up. Modern AAA games are over 30 GB installed. Applications in general are taking up more and more space locally. An hour of uncompressed 4k video is approximately 1.72 TB. Photos have also grown in size as resolution has gone up. I'm sure there are other industries as well. I know personally between my various hobbies, my SSDs are always full and I have several 4TB drives for storage.

greiskul 10y ago
But for instance, I own several AAA games on my steam account, but I have only some installed at any given time. If I feel the urge to play one that I haven't in a long time, it doesn't take that much to download it again. It's even better that I don't need to worry about save files anymore, they are backed up automatically.
mortenlarsen 10y ago
I am no expert, but I would think "an hour of uncompressed 4k video" would be more like 6TB. Maybe even more. >>> 4096*2304*3*60*3600/1e9 6115.295232 Resolution: 4096*2304 Colors: RGB (3 bytes) Frame rate: 60 Seconds: 3600 (one hour) Even using a lower frame rate like 25 would leave only two bytes for color before we get somewhere near 1.72 TB. >>> 4096*2304*2*25*3600/1e9 1698.69312 How did you estimate/calculate the 1.72TB?
- mjevans 10y ago
  They're probably using some type of fast lossless or nearly lossless 'compression' that cuts the really low hanging fruit out but doesn't extract quality they care about. HuffYUV, for example, if you're going to be targeting a 4:2:0 output stream; if you're going for 4:2:2 or even 4:4:4 for some super HD stuff you might use different options.
- mrpopo 10y ago
  Uncompressed video is typically stored in YUV colour space. A typical pixel format, YV16 stores 1 luma for each pixel, and one Cb/Cr for every 2 pixels, which does account for the two bytes per pixel you got :)
  - mortenlarsen 10y ago
    Thanks.

by ctrl-j 10y ago

greiskul 10y ago

But for instance, I own several AAA games on my steam account, but I have only some installed at any given time. If I feel the urge to play one that I haven't in a long time, it doesn't take that much to download it again. It's even better that I don't need to worry about save files anymore, they are backed up automatically.

mortenlarsen 10y ago

I am no expert, but I would think "an hour of uncompressed 4k video" would be more like 6TB. Maybe even more. >>> 4096*2304*3*60*3600/1e9 6115.295232 Resolution: 4096*2304 Colors: RGB (3 bytes) Frame rate: 60 Seconds: 3600 (one hour) Even using a lower frame rate like 25 would leave only two bytes for color before we get somewhere near 1.72 TB. >>> 4096*2304*2*25*3600/1e9 1698.69312 How did you estimate/calculate the 1.72TB?

mjevans 10y ago
They're probably using some type of fast lossless or nearly lossless 'compression' that cuts the really low hanging fruit out but doesn't extract quality they care about. HuffYUV, for example, if you're going to be targeting a 4:2:0 output stream; if you're going for 4:2:2 or even 4:4:4 for some super HD stuff you might use different options.
mrpopo 10y ago
Uncompressed video is typically stored in YUV colour space. A typical pixel format, YV16 stores 1 luma for each pixel, and one Cb/Cr for every 2 pixels, which does account for the two bytes per pixel you got :)
- mortenlarsen 10y ago
  Thanks.