use mp4parse_capi::*; use std::io::Read; extern "C" fn buf_read(buf: *mut u8, size: usize, userdata: *mut std::os::raw::c_void) -> isize { let input: &mut std::fs::File = unsafe { &mut *(userdata as *mut _) }; let buf = unsafe { std::slice::from_raw_parts_mut(buf, size) }; match input.read(buf) { Ok(n) => n as isize, Err(_) => -1, } } #[test] fn parse_rotation() { let mut file = std::fs::File::open("tests/video_rotation_90.mp4").expect("Unknown file"); let io = Mp4parseIo { read: Some(buf_read), userdata: &mut file as *mut _ as *mut std::os::raw::c_void, }; unsafe { let mut parser = std::ptr::null_mut(); let mut rv = mp4parse_new(&io, &mut parser); assert_eq!(rv, Mp4parseStatus::Ok); assert!(!parser.is_null()); let mut counts: u32 = 0; rv = mp4parse_get_track_count(parser, &mut counts); assert_eq!(rv, Mp4parseStatus::Ok); assert_eq!(counts, 1); let mut video = Mp4parseTrackVideoInfo::default(); let rv = mp4parse_get_track_video_info(parser, 0, &mut video); assert_eq!(rv, Mp4parseStatus::Ok); assert_eq!(video.rotation, 90); mp4parse_free(parser); } }