Questions tagged [hdr]

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HDR to SD using CUDA

This is a pretty well known process for HDR to SD. Is there a way to use this or similar with CUDA/NVEnc? ffmpeg.exe -i input.mkv -vf zscale=t=linear:npl=100,format=gbrpf32le, zscale=p=bt709,tonemap=...
DarkH2O's user avatar
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86 views

How identify whether HDR video is HDR10(+) or Dolby Vision?

There has been questions like this in the past, but as the topic states, can one diffrentiate a HDR video whether it is HDR10-compatible or Dolby Vision compatible, or both, with tools such as ffprobe ...
mitch's user avatar
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0 votes
1 answer
209 views

How to fix a presumably HDR video file that displays super washed out in all video players?

How do I fix a presumably HDR video file that displays super washed out in the Linux video player totem, the cross-platform player VLC, and also in Handbrake's video preview? All colors are extremely ...
E. T.'s user avatar
  • 101
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0 answers
65 views

How to correctly grade OpenEXR image coming from Adobe Photoshop in DaVinci Resolve?

I've been obsessed with the Technology Preview of producing HDR images in Adobe Camera Raw. I'm now capable of transforming all of my RAW photos, dating back to my first DSLR, the Canon 350D, and ...
Dave Van den Eynde's user avatar
1 vote
1 answer
4k views

How to convert Dolby Vision HDR to HDR10+?

I'd like to convert a file recorded from an iPhone 12 to a royalty-free version (for upload to Wikimedia, Flickr, etc). So the transfer involves: Source (iPhone proprietary-encumbered) Destination (...
MyPreciousss's user avatar
0 votes
1 answer
105 views

How do HDR images differ from SDR images

If I would like to convert hdr images to sdr, what values would be changed in the image data. So far i think ive understood that the bit depth has to be changed so for example from 12 bit to 8 bit you ...
joel frezghi's user avatar
0 votes
1 answer
981 views

How to save HDR 10 bit MKV videos as an image sequence?

I tried both vlc and virtuadub2, they both save out washed out images. Both show and save out washed out images. How can I save out these images so they look in proper HDR space?
Leon's user avatar
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3 votes
1 answer
1k views

If I screen-capture a snapshot from a HDR movie, will the snapshot image be a HDR image?

I have a HDR movie content playing on a HDR supported PC, using software like the VLC layer. If I take a snapshot to get a png image file, will the image file include the HDR information? That is, if ...
Haruto.S's user avatar
1 vote
0 answers
968 views

Shooting RAW vs 4:2:2 10-bit HDR PQ for HDR output

With the Canon EOS R5 I can choose to record in 12 bit RAW (DCI) or 10-bit HDR PQ H.265 (All-I or IPB compressed). Is there a big advantage of shooting in RAW vs HDR PQ for non professional HDR output?...
migu's user avatar
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0 answers
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Does LG v30 record HDR video in manual mode

Does LG v30 record HDR video in manual mode or it's only in automatic mode ? Thank you
JZK's user avatar
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FFmpeg: DNxHR 444 10 bits transcoding issue (HDR project). SMPTE2084 unsupported?

I have a couple of questions regarding intra-frame codecs for editing purposes (in Premiere Pro). UPDATE (01/24/20). More details of the original issue after this: I seem to have encountered a dead ...
Raulo1985's user avatar
1 vote
1 answer
51 views

High dynamic range on smartphones

I'm interested in serious videography with smartphone(portability is the key). On bright days they perform quite well, one thing which bothers me is dynamic range. I use Filmic Pro which gives me ...
JZK's user avatar
  • 209
0 votes
1 answer
698 views

How to remaster the Old movies to the High Resolution Quality using FFMPEG?

How to remaster the Old movies to the High-Resolution Quality using FFMPEG? Friends, I want to remaster the Old movies to High-Resolution Video & Audio. How this can be achieved using FFMPEG.
Satish Kumar's user avatar
0 votes
1 answer
48 views

How is looking process of making HDR movie?

I'm going to work with conversion from SDR to HDR content. So I am looking for material where I can compare 2 version of the same movie, e.g. "A star is born" in HDR and in SDR. I know that HDR by ...
404pio's user avatar
  • 111
1 vote
1 answer
87 views

Scenes for HDR vs SDR comparison

I'm currently looking for scenes when I can compare effects of HDR. I have couple of films on BR in 2 versions - one in HDR, second in SDR. My heuristic is to look 2 kinds of scene: very bright scene ...
404pio's user avatar
  • 111
2 votes
1 answer
3k views

SDR to HDR (High Dynamic Range) Converter?

I've heard that it's possible to convert SDR videos to HDR and get reasonable results. Obviously, this isn't as good as having source HDR content, but I'm really curious and would like to try this ...
joejoejoejoe4's user avatar
3 votes
3 answers
3k views

Does HDR content have anything to do with codecs?

I am new to video codec(encoding/decoding) stuff. I am trying to understand the difference between H.264(AVC) and H.265(HEVC) HDR video content. I thought HDR video 'means' it has 10 bit color depth ...
user3001078's user avatar
2 votes
1 answer
3k views

How to read 10-bit RGB values from HDR video?

I had a HDR video and the format is ProRes. The colour bit depth of ProRes is 10-bit. I would like to extract the 10-bit RGB values from the HDR video. As per this link, I have first converted the 10-...
chesschi's user avatar
  • 121
4 votes
1 answer
5k views

Convert video to 10 bit images

I have a video with these info: Format : MKV Codec : HEVC (h.265) Bit depth : 10 bits How can I get 10-bit frame grabs from it using ffmpeg?
nam's user avatar
  • 41
18 votes
5 answers
15k views

How to identify HDR video?

I need to validate if a video file (HEVC encoded) is or is not an HDR video. I know that there are many HDR standards, but I did not find a way to identify it using mediainfo or ffprobe. The need is ...
Douglas Lise's user avatar
10 votes
4 answers
10k views

How does HDR relate to color space and bit depth?

I'm not a photographer, but I'm struggling to understand HDR technology as it relates to TVs and monitors, so I thought this would be a good place to ask. First, I got a good understanding of the ...
Vikram's user avatar
  • 211
4 votes
2 answers
3k views

Relationship between bit depth and dynamic range?

Is there a direct relationship between higher video bit depth (10-bit vs 8-bit, for example) and higher dynamic range, i.e. HDR? I'm somewhat confused regarding this particular aspect of bit depth. I ...
Marko J.'s user avatar
4 votes
1 answer
652 views

How does HDR movie work?

The new DSLR camera released by Canon, 760D, has capability of recording HDR movie. My question is how does this work? In still photography, when setting the camera to HDR, the camera will take 3 ...
rcs's user avatar
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