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JxlDecoderGetFrameHeader

jxl_sys

Function JxlDecoderGetFrameHeader 

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

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, @ref JXL_DEC_NEED_MORE_INPUT if not yet available, ::JXL_DEC_ERROR in case of other error conditions.