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update defines with uhdr options #107

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Oct 4, 2024
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update defines with uhdr options #107

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54 changes: 39 additions & 15 deletions include/defines.php
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Original file line number Diff line number Diff line change
Expand Up @@ -1404,37 +1404,61 @@ function and does not affect any other attributes. Before ImageMagick
</tr>

<tr>
<td>uhdr:hdr-color-gamut=<var>value</var></td>
<td>Required Specify hdr intent color gamut. Choose from {bt709, display_p3, bt2100}.</td>
<td>uhdr:hdr-color-gamut=<var>{bt709|display_p3|bt2100}</var></td>
<td>Set input HDR intent color gamut. Used during encoding. Required.</td>
</tr>

<tr>
<td>uhdr:hdr-color-transfer=<var>value</var></td>
<td>Required Specify hdr intent color transfer. Choose from {hlg, pq, linear}.</td>
<td>uhdr:hdr-color-transfer=<var>{hlg|pq|linear}</var></td>
<td>Set input HDR intent color transfer. Used during encoding. Required.</td>
</tr>

<tr>
<td>uhdr:sdr-color-gamut=<var>value</var></td>
<td>Required Specify sdr intent color gamut. Choose from {bt709, display_p3, bt2100}.</td>
<td>uhdr:sdr-color-gamut=<var>{bt709|display_p3|bt2100}</var></td>
<td>Set input SDR intent color gamut. Used during encoding. Required.</td>
</tr>

<tr>
<td>uhdr:gainmap-quality=<var>value</var></td>
<td>Optional, defaults to 95 Specify gainmap image encoding quality. Choose between [0-100].</td>
<td>Set gainmap image encoding quality factor. The valid range is 1 to 100,
with 1 indicating lowest image quality or highest compression and 100
indicating best quality or least effective compression. Used during
encoding. Optional. Default value is 95.</td>
</tr>

<tr>
<td>uhdr:gainmap-gamma=<var>value</var></td>
<td>Optional, defaults to 1.0 Specify gainmap image encoding gamma. Any positive real number.</td>
<td>Set gainmap image encoding gamma. Must be greater than 0.0. Used during
encoding. Optional. Default value is 1.0.</td>
</tr>

<tr>
<td>uhdr:gainmap-min-content-boost=<var>value</var></td>
<td>Value to control how much darker an image can get, when shown on an HDR display, relative to the SDR rendition. Value MUST be in linear scale. *Optional, If not configured, computed internally. Specify min content boost. Any positive real number.</td>
<td>Specify the minimum allowed ratio of the linear luminance for the target
HDR rendition relative to (divided by) that of the SDR image, at a given
pixel. In other words, this specifies how much darker a pixel can get,
when shown on an HDR display, relative to the SDR rendition. Must be
greater than 0.0. Used during encoding. Optional. If not configured,
this is computed dynamically based on the input.</td>
</tr>

<tr>
<td>uhdr:gainmap-max-content-boost=<var>value</var></td>
<td>Value to control how much brighter an image can get, when shown on an HDR display, relative to the SDR rendition. Value MUST be in linear scale. *Optional, If not configured, computed internally. Specify max content boost. Any positive real number.</td>
<td>Specify the maximum allowed ratio of the linear luminance for the target
HDR rendition relative to (divided by) that of the SDR image, at a given
pixel. In other words, this specifies how much brighter a pixel can get,
when shown on an HDR display, relative to the SDR rendition. Must be
greater than 0.0. Used during encoding. Optional. If not configured,
this is computed dynamically based on the input.</td>
</tr>

<tr>
<td>uhdr:output-color-transfer=<var>{hlg|pq|linear|srgb}</var></td>
<td>Set the target display transfer characteristics on which the
ultrahdr image is rendered. Used during decoding. Required.
If <em>srgb</em>, only sdr intent is decoded and sent as output,
otherwise, sdr intent and gainmap are decoded, combined into
hdr image and sent as output.</td>
</tr>

<tr>
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