Type Alias OutputSignalling 

pub type OutputSignalling = OutputSignaling;

👎Deprecated since 0.1.2:

renamed to OutputSignaling

The 0.1.0 name of OutputSignaling, kept so code written against it still builds.

Aliased Type

pub struct OutputSignalling {
    pub colorspace: Option<Colorspace>,
    pub hdr_metadata: Option<HdrSourceMetadata>,
    pub hdr_downgraded: bool,
}

Fields

colorspace: Option<Colorspace>

The Colorspace to write, or None to leave the property alone.

None when no layer said what it was in. Writing a guess would override whatever the last client left, which on a connector is sticky.

hdr_metadata: Option<HdrSourceMetadata>

The metadata to publish, or None for no HDR signaling.

hdr_downgraded: bool

Whether HDR was called for and could not be carried.

The layers asked for it and the connector cannot: no HDR_OUTPUT_METADATA, or no max bpc that reaches 10. The metadata is dropped rather than sent, and this says so – a caller that wants to tone-map itself, or tell the user, has no other way to find out.