Function JxlEncoderSetExtraChannelBlendInfo 

pub unsafe extern "C-unwind" fn JxlEncoderSetExtraChannelBlendInfo(
    frame_settings: *mut JxlEncoderFrameSettings,
    index: usize,
    blend_info: *const JxlBlendInfo,
) -> JxlEncoderStatus

Sets blend info of an extra channel. The blend info of extra channels is set separately from that of the color channels, the color channels are set with JxlEncoderSetFrameHeader.

Parameters

• frame_settings: set of options and metadata for this frame. Also includes reference to the encoder object.
• index: index of the extra channel to use.
• blend_info: blend info to set for the extra channel.

Returns

• JxlEncoderStatus::Success on success.
• JxlEncoderStatus::Error on error.