Gamma and color space conversions for Adobe Premiere Pro and After Effects
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Acrovid,Intertake and GCconv are trademarks or registered trademarks of Acrovid, All other trademarks or registered trademarks like Adobe Premiere, Dacinvi Resolve, Avid, Avid Media Composer, ProRes, DNxHD, GrassValley, NVIDIA, CUDA,Intel, Quicksync  or Cineform mentioned in this document are property of their respective owners. Reference herein does not constitute or imply affiliation with our company, endorsement, or recommendation.
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Installation
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To configure gamma conversions, click in the gamma in combo and select the gamma from your source video. Then select the gamma out, and activate the gamma conversion. The gamma conversion can be fine tuned with the highlights, midtones and shadows filters. When converting to or from Rec.709 gamma, some conversions may render upper levels out of range, this is mathematically correct, but the video may be improved by keeping these levels, in this case you can select Rec.709 Highlights+ or Rec.709 Tonemapped instead of Rec.709.
User Guide
Before starting the installation, close both Premiere Pro and After Effects. After double clicking on the installer, the installation folder can be selected, the support files will be installed in this folder, by default the Windows Program Files folder is selected:
Next, the plugin installation folder can be selected. By default the plugin is installed in the detected Adobe plugins folder, this will install the plugin for both Premiere Pro and After Effects. If you want to change the default installation folder, select it by clicking in Browse button:
Workflow
The plugin is located in the Video Effects panel, under Acrovid folder. You can add GCconv as other plugins by dragging it to the selected video.
GCconv can be easily configured. The gamma and color space conversions can be activated separately. In the convert gamma section can be activated a gamma conversion between the selected gamma in and out, or a direct SDR/HDR conversion. Both gamma and SDR/HDR conversions can be adjusted using the highlights, midtones and shadows filters. To perform a color space conversion, select the color space in and out, an activate the conversion.
How to configure gamma conversions
How to configure color space conversions
To configure color space conversions, click in the color space in combo and select the color space from your source video. Then select the color space out, and activate the color space conversion. When converting wide color spaces like Rec.2020 to or from Rec.709 , the conversion may be improved by selecting Rec.709 Tonemapped.
How to configure SDR to HDR conversions
To convert a video gamma from SDR to HDR , select a SDR to HDR PQ conversion in 500, 800, 1000, 2000, 3000 or 4000 nits. Then activate the SDR/HDR conversions. The conversion can be fine tuned with the highlights, midtones and shadows filters. To also convert the color space, activate a color space conversion, for example Rec.709 to Rec.2020.
How to configure HDR to SDR conversions
To convert a video gamma from HDR to SDR , select a HDR PQ to SDR conversion according with the source video nits. Then activate the SDR/HDR conversions. The conversion can be fine tuned with the highlights, midtones and shadows filters. To also convert the color space, activate a color space conversion, for example Rec.2020 to Rec.709.
To convert a video gamma from HDR PQ to HLG , select a HDR PQ to HLG conversion according with the source video nits. Or to convert a HLG video to HDR PQ, select a HLG to HDR PQ conversion in 500, 800, 1000, 2000, 3000 or 4000 nits. Then activate the SDR/HDR conversions. The conversion can be fine tuned with the highlights, midtones and shadows filters. To also convert the color space, activate a color space conversion.
How to configure HDR PQ/HLG conversions
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