Constant ffmpeg_sys_next::AVERROR_DEMUXER_NOT_FOUND

pub const AVERROR_DEMUXER_NOT_FOUND: c_int = -(248 as isize | (b'D' as isize) << 8 | (b'E' as isize) << 16 |
      (b'M' as isize) << 24) as c_int; // -1_296_385_272i32