VOICEVOX/voicevox_core#722 用エラー

src/error.rs

@@ -263,7 +263,9 @@ pub enum Error {
 	#[error("Could't get device ID from memory info: {0}")]
 	GetDeviceId(ErrorInternal),
 	#[error("Training API is not enabled in this build of ONNX Runtime.")]
-	TrainingNotEnabled
+	TrainingNotEnabled,
+	#[error("This ONNX Runtime does not support \"vv-bin\" format (note: load/link `voicevox_onnxruntime` instead of `onnxruntime`)")]
+	VvBinNotSupported
 }
 
 impl Error {

src/lib.rs

@@ -185,6 +185,7 @@ thread_local! {
 #[cfg_attr(docsrs, doc(cfg(feature = "__init-for-voicevox")))]
 #[derive(Debug)]
 pub struct EnvHandle {
+	is_voicevox_onnxruntime: bool,
 	_env: std::sync::Arc<Environment>,
 	api: AssertSendSync<NonNull<ort_sys::OrtApi>>,
 	#[cfg(feature = "load-dynamic")]
@@ -265,7 +266,14 @@ pub fn try_init_from(filename: &std::ffi::OsStr, tp_options: Option<EnvironmentG
 
 		let _env = create_env(api.0, tp_options)?;
 
-		Ok(EnvHandle { _env, api, dylib })
+		let is_voicevox_onnxruntime = is_voicevox_onnxruntime(api.0);
+
+		Ok(EnvHandle {
+			is_voicevox_onnxruntime,
+			_env,
+			api,
+			dylib
+		})
 	})
 }
 
@@ -291,7 +299,9 @@ pub fn try_init(tp_options: Option<EnvironmentGlobalThreadPoolOptions>) -> anyho
 
 		let _env = create_env(api.0, tp_options)?;
 
-		Ok(EnvHandle { _env, api })
+		let is_voicevox_onnxruntime = is_voicevox_onnxruntime(api.0);
+
+		Ok(EnvHandle { is_voicevox_onnxruntime, _env, api })
 	})
 }
 
@@ -317,6 +327,17 @@ fn create_env(api: NonNull<ort_sys::OrtApi>, tp_options: Option<EnvironmentGloba
 	}
 }
 
+#[cfg(feature = "__init-for-voicevox")]
+fn is_voicevox_onnxruntime(api: NonNull<ort_sys::OrtApi>) -> bool {
+	unsafe {
+		let build_info = api.as_ref().GetBuildInfoString.expect("`GetBuildInfoString` must be present")();
+		CStr::from_ptr(build_info)
+			.to_str()
+			.expect("should be UTF-8")
+			.starts_with("VOICEVOX ORT Build Info: ")
+	}
+}
+
 pub(crate) static G_ORT_API: OnceLock<AtomicPtr<ort_sys::OrtApi>> = OnceLock::new();
 
 /// Returns a pointer to the global [`ort_sys::OrtApi`] object.

src/session/builder.rs

@@ -446,7 +446,11 @@ impl SessionBuilder {
 		Ok(session)
 	}
 
+	#[cfg(feature = "__init-for-voicevox")]
 	pub fn commit_from_vv_bin(self, bin: &[u8]) -> Result<Session> {
+		if !crate::EnvHandle::get().expect("should be present").is_voicevox_onnxruntime {
+			return Err(Error::VvBinNotSupported);
+		}
 		ortsys![unsafe AddSessionConfigEntry(self.session_options_ptr.as_ptr(), c"session.use_vv_bin".as_ptr(), c"1".as_ptr())];
 		self.commit_from_memory(bin)
 	}