1 files changed, 40 insertions, 0 deletions
diff --git a/third_party/rust/mp4parse_capi/tests/test_rotation.rs b/third_party/rust/mp4parse_capi/tests/test_rotation.rs
new file mode 100644
index 0000000000..2ea47a5d52
--- /dev/null
+++ b/third_party/rust/mp4parse_capi/tests/test_rotation.rs
@@ -0,0 +1,40 @@
+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);
+    }
+}