Function libjxl_sys::JxlDecoderGetFrameHeader

pub unsafe extern "C" fn JxlDecoderGetFrameHeader(
    dec: *const JxlDecoder, 
    header: *mut JxlFrameHeader
) -> JxlDecoderStatus

Outputs the information from the frame, such as duration when have_animation. This function can be called when JXL_DEC_FRAME occurred for the current frame, even when have_animation in the JxlBasicInfo is JXL_FALSE.

@param dec decoder object @param header struct to copy the information into, or NULL to only check whether the information is available through the return value. @return JXL_DEC_SUCCESS if the value is available, JXL_DEC_NEED_MORE_INPUT if not yet available, JXL_DEC_ERROR in case of other error conditions.