Add dovi_parse_itu_t35_dovi_metadata_obu to C-API (#301)

dolby_vision/src/capi.rs

@@ -27,6 +27,21 @@ pub unsafe extern "C" fn dovi_parse_rpu(buf: *const u8, len: size_t) -> *mut Rpu
     Box::into_raw(Box::new(RpuOpaque::from(res)))
 }
 
+/// # Safety
+/// The pointer to the data must be valid.
+///
+/// Parse a Dolby Vision from a AV1 ITU-T T.35 metadata OBU byte buffer.
+/// Adds an error if the parsing fails.
+#[no_mangle]
+pub unsafe extern "C" fn dovi_parse_itu_t35_dovi_metadata_obu(buf: *const u8, len: size_t) -> *mut RpuOpaque {
+    assert!(!buf.is_null());
+
+    let data = slice::from_raw_parts(buf, len);
+    let res = DoviRpu::parse_itu_t35_dovi_metadata_obu(data);
+
+    Box::into_raw(Box::new(RpuOpaque::from(res)))
+}
+
 /// # Safety
 /// The pointer to the data must be valid.
 ///