Log curves in smartphones
This seems to be a topic which includes more unjustified opinions and shilling than researched facts. Searching the internet mainly brings you just Youtube videos, app ads and R*ddit topics where every other claim log curves in smarthpone videos are perfect and every other claim it's just a gimmick.
Modern smartphone's curves tend to default Rec709 in 8-bit and HLG or PQ in 10-bit modes. My Snoy Xperia 5 II has Rec709/HLG by default and Camera2API reports the curve (I don't know which one) has density of 128 points. Apps like Mcpro24fps, Filmic Pro can output video files with log curves applied and I'm interested how these curves are achtually produced/achieved. Some people say those are just custom curves applied over manufacturer's default curve (which may or may not include reverse tone mapping). And then there are some claims where the manufacturer's curve is replaced with the selected log curve. App devs don't reveal their methods and I can't find any credible research about it.
Modern smartphone's curves tend to default Rec709 in 8-bit and HLG or PQ in 10-bit modes. My Snoy Xperia 5 II has Rec709/HLG by default and Camera2API reports the curve (I don't know which one) has density of 128 points. Apps like Mcpro24fps, Filmic Pro can output video files with log curves applied and I'm interested how these curves are achtually produced/achieved. Some people say those are just custom curves applied over manufacturer's default curve (which may or may not include reverse tone mapping). And then there are some claims where the manufacturer's curve is replaced with the selected log curve. App devs don't reveal their methods and I can't find any credible research about it.
