Resolve Crushing Blacks in GoPro footage

Posted:
Mon Feb 06, 2017 4:17 pm
by Eric Testroete
I've got some non protune footage that I'm working with. The blacks seem to be getting crushed by resolve. The problem doesn't happen in Premiere.
Setting the input color to srgb helps a bit, but it's not quite enough.
Any ideas?
VLC

Resolve

I'm using the latest free version of resolve on Win 10. I can get the exact details later if required. I also tried setting my monitor profile to sRGB as that fixed a similar problem with lightroom in the past. No dice.
Re: Resolve Crushing Blacks in GoPro footage

Posted:
Mon Feb 06, 2017 10:17 pm
by Ara Thomassian
Have you tried setting your color settings for the individual clips in the media pool? (right click the file and click on clip attributes)
Try changing the clip to something other than "auto."
Possibly try toggling to data and see what happens.
Anyway, best of luck!
-Ara
Re: Resolve Crushing Blacks in GoPro footage

Posted:
Mon Feb 06, 2017 11:17 pm
by waltervolpatto
what Ara said and welcome to the UG.
Re: Resolve Crushing Blacks in GoPro footage

Posted:
Tue Feb 07, 2017 5:16 am
by Eric Testroete
Thanks Ara and Walter,
Setting the Data levels to full fixed it. For those searching, the option also appears in project settings -> capture and playback
Re: Resolve Crushing Blacks in GoPro footage

Posted:
Sun Jan 24, 2021 3:57 pm
by Ben Carlson
Bouncing this old topic...
I have a GoPro Hero 5 Session and noticed that while full range is what MP4 clips from this cam seem to work best in Resolve 16.2, I am still puzzled by the fact that:
1) Mediainfo reports these two lines:
Color range: Limited
colour_range_Original: Full
2) Resolve 'auto' equals video levels, which causes the scale to be expanded to 0-1023 (on the scopes set to 'video levels'; the project target output is video levels, ); manually forcing 'full' in clip's attributes constrains the range within 64-940.
As a comparison (since I'm still only discovering Resolve's intricacies in different scenarios), clips from a Canon DSLR (reported as Color range: Full by Mediainfo) are set as Full with 'Auto' by Resolve and hence constrained to 64-940 in the scopes, as expected.
Also, the GoPro H5 clips are seen as Full Range by Avid MC, and automatically get a default 'full to video levels' adapter to match a BT.709 project.
Question #1: what do these 2 color range entries (with contradicting info?) mean for the GoPro clip ? Which one is monitored by Resolve when importing the media ? 'Color range: Limited' I guess (hence the video levels set by default), but this seems the unwise choice, per this thread ?
Question #2: does anyone know for sure what the real range is for MP4 clips shot by 'older' GoPro cameras like the H5 Session ?
Question #3: for easiest editing of clips from these two cams together, isn't it best to set both to 'full range' (overriding the default set by Resolve for the GoPro clips), so I have a consistent range for both cams to start with ? Or is it more accurate to keep the GoPro clips as 'Video' (or 'auto') and reduce the range of these clips on the color page to match those of the Canon DSLR (as a first step in matching the clips)? I would think these two approaches will yield the same result, especially considering the limited 8-bit resolution of the clips mapped to 32-bit float, but I may be wrong.