Convert to SDR and HDR from any standard or camera gamma and color space format For Adobe Premiere Pro and After Effects
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Acrovid,FootageStudio 2 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.
How to add GCconv
The plugin is located in the Video Effects panel, under Acrovid folder. You can add GCconv like other effects by dragging it to the selected video. It is recommended to put GCconv as the first effect in the video.
GCconv can be configured easily . First, select the source video gamma and color space. Standard and custom camera gamma and color space formats can be selected. Any combination is allowed. Both source gamma and color space must be set, even if only the gamma or the color space will be converted. For example, for a SDR video select Rec.709 gamma and color space. For HDR videos it is recommended to select the correct nits, for example ST2084 1000 nits. For cameras gammas and color spaces, just select your camera format.
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:
How to configure the source video gamma and color space
Adobe premiere always uses video levels, if the source video is in full levels the conversion may be wrong. When the source video is full levels the scopes will show levels over 100 / below 0. In this case to correctly convert the video activate the full levels mode : The full levels mode produce a video levels video.
Full levels and video levels
How to adjust and improve  the conversion
After selecting the conversion to SDR or HDR, several filters can be adjusted to improve the conversion:
Tone mapping
Highlights, midtones, shadows and exposure
Color space conversion strength
After selecting the gamma conversion, the tone mapping amount is set to a default value depending on the source video gamma and the gamma out selected. The tone mapping can be adjusted,  and also deactivated by setting it to zero.
If the source video has wrong exposure, it can be corrected easily using the exposure control, for example when recording in log camera formats it is usual to record over exposed or under exposed videos. For improving the conversion the highlights, midtones and shadows controls can be adjusted. When converting the source video to HDR, the HDR mode can be activated, this will change the exposure, highlights, midtones and shadows controls to work in HDR mode.
The color space conversion can be adjusted used the strength control, for example if the converted colors are too saturated.
How to convert SDR to HDR videos
First select the gamma and color space of the source video, for example rec.709 gamma and Rec.709 color space: Then select and activate the HDR gamma and color space, for example ST2084 1000 nits and Rec.2020 :
The video is converted to HDR, now if necessary the conversion can be improved adjusting the tone mapping amount, the exposure, the highlights, midtones and shadows controls, and the color space conversion strength.
How to convert HDR to SDR videos
First select the gamma and color space of the source video, for example ST2084 1000 nits gamma and Rec.2020 color space, it is recommended to select the correct nits of the source video: Then select and activate the SDR gamma and color space, for example Rec.709 gamma and color space:
The video is converted to SDR, now if necessary the conversion can be improved adjusting the tone mapping amount, the exposure, the highlights, midtones and shadows controls, and the color space conversion strength.
How to convert from cameras gamma and color space formats to SDR and HDR
First select the gamma and color space of the source video, for example Sony S-log2 and S-gamut3-cine: Then like with the conversions from SDR or HDR, select and activate the SDR or HDR gamma and color space:
The video is converted, now if necessary the conversion can be improved adjusting the tone mapping amount, the exposure, the highlights, midtones and shadows controls, and the color space conversion strength.
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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.
Installation
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