Function rsmpeg::ffi::av_frame_new_side_data_from_buf

pub unsafe extern "C" fn av_frame_new_side_data_from_buf(
    frame: *mut AVFrame, 
    type_: u32, 
    buf: *mut AVBufferRef
) -> *mut AVFrameSideData

Add a new side data to a frame from an existing AVBufferRef

@param frame a frame to which the side data should be added @param type the type of the added side data @param buf an AVBufferRef to add as side data. The ownership of the reference is transferred to the frame.

@return newly added side data on success, NULL on error. On failure the frame is unchanged and the AVBufferRef remains owned by the caller.