Function rsmpeg::ffi::av_write_uncoded_frame_query

pub unsafe extern "C" fn av_write_uncoded_frame_query(
    s: *mut AVFormatContext, 
    stream_index: i32
) -> i32

Test whether a muxer supports uncoded frame.

@return >=0 if an uncoded frame can be written to that muxer and stream, <0 if not