Questions tagged [colorspace]

An RGB color space is any additive color space based on the RGB color model. A particular RGB color space is defined by the three chromaticities of the red, green, and blue additive primaries, and can produce any chromaticity that is the triangle defined by those primary colors. The complete specification of an RGB color space also requires a white point chromaticity and a gamma correction curve.

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Why does ffprobe report color space as unknown?

If the caja file properties report YUV for color space, why does ffprobe report color space as unknown ? The video in question was obtained from Astronomy Picture of the Day (APOD) Spinning Moon. Here ...
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Using ffmpeg gdigrab to capture desktop output to h264 yuv420p. Color shift problem

The ffmpeg command below is being used to capture the desktop and create a resulting mp4. ffmpeg log says the input stream is bmp and I specified the target as h264 yuv420p. I found several older ...
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Do you always need to convert videos with a YUV color space for compositing in Blender?

I have a 10 bits .mov file with YUV color space encoded prores 422HQ of some green screen footage. -Do we always need to convert videos with a YUV color space for compositing work? If I want to ...
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Why has grayscale a higher bitrate than YUV with H.265/HEVC?

For compression purposes, I am re‐encoding a grayscale video to the H.265/HEVC codec. Although the input video is more or less perfectly grayscale in aspect, it is provided in the yuv420p pixel format....
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ffmpeg ProRes to MP4 Alters Colors Slightly

I cannot for the life of me figure out what is going wrong, but I have a ProRes MOV file with the following specifications: And I want to convert it to a 4:2:0 MP4 video file. Every time I attempt ...
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ffmpeg: color loss when encoding to .webm

When encoding to webm (specifically VP8, i.e. libvpx), the color range gets reduced from 0-255 to 15-235. This causes a washed-out look; blacks become faded and not as sharp. I have found solutions ...
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MPC-HC is altering the colors

In order to test a lossless recording system, I have to verify that the input video is exactly the same than the output video. As a test source I have generated an ffmpeg's testsrc pattern, which is ...
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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 ...
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How to fix "dull" colors on flowblade export?

I use flowblade (v2.8) on Linux as a video editor and VLC as player. I've run into problems with the colors looking dull on preview and after export (rendering) using flowblade. The video file has ...
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Davinci changes colors on import Ipad screen recording

I have a video recording I record it on iPad then I transfer to my Macbook, when I play via Quicktime it shows colors correctly. When I import the clip to DaVinci it shows color washed out, I set the ...
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Is it possible to avoid washed out colors when converting from H.265 yuv420p10le to H.264 yuv420p?

I have an H.265 video clip file which I am unable to play on my device because the device only support H.264. So I am trying to transcode it to H.264 but I am having issues getting a good H.264 ...
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ffmpeg MP4/x264 output colours change when input source is different resolution (bug?)

I'm a beginner to ffmpeg so I'm having a hard time believing that a utility so old and so widely used has such a fundamental bug, but the evidence is staring me in the face and leads me to no other ...
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Why does my ipad/macbook video camera quality not match logitech hd c270 quality?

I am trying to write a program that takes a video of someone's face, extracts the RGB values, and then uses the color change (imperceptible to the human eye) to map onto heart rate. When I use a ...
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Correctly compositing linear RGB elements over log footage

I have some water splash elements I need to composite over log footage in After Effects before sending it to the colorist for grading. As I understand, the correct workflow is to convert the log ...
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Color changes after video to single frame images back to video using ffmpeg

Given master video in mov rle: Video: qtrle (rle / 0x20656C72), rgb24(progressive) Converted the video to a serie of single .bmp frames. ffmpeg -i source.mov $FRAMES/f%03d.bmp Frames from ...
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Generating video thumbnails preview / contact sheet in batch, color issue

I have a large collection of videos to sort out, and for that purpose I want to create a thumbnail preview for each one of them, as quickly and efficiently as possible. I have tested several tools ...
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Matching colors for video

It appears that loading a graphics asset into Premiere’s new (2017.1) layered drawing tools does not do any kind of profile matching. Furthermore, the play preview image looks different on my (color ...
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