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Prefer tonemapx during HDR image extraction

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Signed-off-by: gnattu <gnattuoc@me.com>
This commit is contained in:
gnattu 2024-07-12 23:15:41 +08:00
parent 2dee5b8d04
commit 518c166a39
1 changed files with 12 additions and 6 deletions
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14
MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
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@ -708,17 +708,23 @@ namespace MediaBrowser.MediaEncoding.Encoder
filters.Add("thumbnail=n=" + (useLargerBatchSize ? "50" : "24"));
}
// Use SW tonemap on HDR10/HLG video stream only when the zscale filter is available.
// Use SW tonemap on HDR10/HLG video stream only when the zscale or tonemapx filter is available.
var enableHdrExtraction = false;
if ((string.Equals(videoStream?.ColorTransfer, "smpte2084", StringComparison.OrdinalIgnoreCase)
if (string.Equals(videoStream?.ColorTransfer, "smpte2084", StringComparison.OrdinalIgnoreCase)
|| string.Equals(videoStream?.ColorTransfer, "arib-std-b67", StringComparison.OrdinalIgnoreCase))
&& SupportsFilter("zscale"))
{
if (SupportsFilter("tonemapx"))
{
enableHdrExtraction = true;
filters.Add("tonemapx=tonemap=bt2390:desat=0:peak=100:t=bt709:m=bt709:p=bt709:format=yuv420p");
}
else if (SupportsFilter("zscale"))
{
enableHdrExtraction = true;
filters.Add("zscale=t=linear:npl=100,format=gbrpf32le,zscale=p=bt709,tonemap=tonemap=hable:desat=0:peak=100,zscale=t=bt709:m=bt709,format=yuv420p");
}
}
var vf = string.Join(',', filters);
var mapArg = imageStreamIndex.HasValue ? (" -map 0:" + imageStreamIndex.Value.ToString(CultureInfo.InvariantCulture)) : string.Empty;