/// <summary>
/// Returns true if and only if the settings mean to capture transparency, the input source supports it, and the
/// codec preset also allows it.
/// </summary>
/// <returns></returns>
internal bool WillIncludeAlpha()
{
// GameViewInput does not support transparency
var codecFormat = (ProResOut.ProResCodecFormat)encoderPresetSelected;
bool codecFormatSupportsTransparency = ProResPresetExtensions.CodecFormatSupportsTransparency(codecFormat);
return(CaptureAlpha && !(ImageInputSettings is GameViewInputSettings) && codecFormatSupportsTransparency);
}
internal override void SelfAdjustSettings()
{
var selectedInput = m_ImageInputSelector.Selected;
if (selectedInput == null)
{
return;
}
var iis = selectedInput as StandardImageInputSettings;
if (iis != null)
{
iis.maxSupportedSize = OutputFormat == VideoRecorderOutputFormat.MP4
? ImageHeight.x2160p_4K
: ImageHeight.x4320p_8K;
if (iis.outputImageHeight != ImageHeight.Window && iis.outputImageHeight != ImageHeight.Custom)
{
if (iis.outputImageHeight > iis.maxSupportedSize)
{
iis.outputImageHeight = iis.maxSupportedSize;
}
}
}
var cbis = selectedInput as ImageInputSettings;
if (cbis != null)
{
var encoder = encodersRegistered[encoderSelected];
if (encoder is ProResEncoderRegister p)
{
var codecFormat = (ProResOut.ProResCodecFormat)encoderPresetSelected;
bool codecFormatSupportsTransparency = ProResPresetExtensions.CodecFormatSupportsTransparency(codecFormat);
cbis.RecordTransparency = CaptureAlpha && codecFormatSupportsTransparency;
}
else
{
switch (OutputFormat)
{
case VideoRecorderOutputFormat.WebM:
cbis.RecordTransparency = CaptureAlpha;
break;
case VideoRecorderOutputFormat.MP4:
default:
cbis.RecordTransparency = false;
break;
}
}
}
m_ImageInputSelector.ForceEvenResolution(OutputFormat == VideoRecorderOutputFormat.MP4);
}
