mutabilityとasyncnessを仕上げる

crates/voicevox_core/Cargo.toml

@@ -14,6 +14,7 @@ async_zip.workspace = true
 cfg-if = "1.0.0"
 derive-getters.workspace = true
 derive-new = "0.5.9"
+derive_more = "0.99.17"
 easy-ext.workspace = true
 fs-err.workspace = true
 futures = "0.3.26"

crates/voicevox_core/src/engine/synthesis_engine.rs

@@ -30,10 +30,6 @@ impl SynthesisEngine {
         &self.inference_core
     }
 
-    pub fn inference_core_mut(&mut self) -> &mut InferenceCore {
-        &mut self.inference_core
-    }
-
     pub async fn create_accent_phrases(
         &self,
         text: &str,

crates/voicevox_core/src/error.rs

@@ -21,44 +21,15 @@ pub enum Error {
     #[error("{}", base_error_message(VOICEVOX_RESULT_GPU_SUPPORT_ERROR))]
     GpuSupport,
 
-    #[error("{} ({}): {source}", base_error_message(VOICEVOX_RESULT_LOAD_MODEL_ERROR), path.display())]
-    LoadModel {
-        path: PathBuf,
-        #[source]
-        source: anyhow::Error,
-    },
-    #[error("{} ({})", base_error_message(VOICEVOX_RESULT_ALREADY_LOADED_MODEL_ERROR), path.display())]
-    AlreadyLoadedModel { path: PathBuf },
+    #[error(transparent)]
+    LoadModel(#[from] LoadModelError),
 
     #[error(
         "{} ({model_id:?})",
         base_error_message(VOICEVOX_RESULT_UNLOADED_MODEL_ERROR)
     )]
     UnloadedModel { model_id: VoiceModelId },
 
-    #[error(
-        "{}({path}):{source}",
-        base_error_message(VOICEVOX_RESULT_OPEN_FILE_ERROR)
-    )]
-    OpenFile {
-        path: PathBuf,
-        #[source]
-        source: anyhow::Error,
-    },
-
-    #[error(
-        "{}({path}):{source}",
-        base_error_message(VOICEVOX_RESULT_VVM_MODEL_READ_ERROR)
-    )]
-    VvmRead {
-        path: PathBuf,
-        #[source]
-        source: anyhow::Error,
-    },
-
-    #[error("{},{0}", base_error_message(VOICEVOX_RESULT_LOAD_METAS_ERROR))]
-    LoadMetas(#[source] anyhow::Error),
-
     #[error(
         "{},{0}",
         base_error_message(VOICEVOX_RESULT_GET_SUPPORTED_DEVICES_ERROR)
@@ -111,6 +82,48 @@ pub enum Error {
     InvalidWord(InvalidWordError),
 }
 
+pub(crate) type LoadModelResult<T> = std::result::Result<T, LoadModelError>;
+
+/// 音声モデル読み込みのエラー。
+#[derive(Error, Debug)]
+#[error(
+    "`{path}`の読み込みに失敗しました: {context}{}",
+    source.as_ref().map(|e| format!(": {e}")).unwrap_or_default())
+]
+pub struct LoadModelError {
+    pub(crate) path: PathBuf,
+    pub(crate) context: LoadModelErrorKind,
+    #[source]
+    pub(crate) source: Option<anyhow::Error>,
+}
+
+impl LoadModelError {
+    pub fn context(&self) -> &LoadModelErrorKind {
+        &self.context
+    }
+}
+
+#[derive(derive_more::Display, Debug)]
+pub enum LoadModelErrorKind {
+    //#[display(fmt = "{}", "base_error_message(VOICEVOX_RESULT_OPEN_ZIP_FILE_ERROR)")]
+    #[display(fmt = "ZIPファイルとして開くことができませんでした")]
+    OpenZipFile,
+    //#[display(fmt = "{}", "base_error_message(VOICEVOX_RESULT_READ_ZIP_ENTRY_ERROR)")]
+    #[display(fmt = "`{filename}`を読み取れませんでした")]
+    ReadZipEntry { filename: String },
+    //#[display(fmt = "{}", "base_error_message(VOICEVOX_RESULT_MODEL_ALREADY_LOADED_ERROR)")]
+    #[display(fmt = "モデル`{id}`は既に読み込まれています")]
+    ModelAlreadyLoaded { id: VoiceModelId },
+    //#[display(fmt = "{}", "base_error_message(VOICEVOX_RESULT_STYLE_ALREADY_LOADED_ERROR)")]
+    #[display(fmt = "スタイル`{id}`は既に読み込まれています")]
+    StyleAlreadyLoaded { id: StyleId },
+    #[display(
+        fmt = "{}",
+        "base_error_message(VOICEVOX_RESULT_INVALID_MODEL_DATA_ERROR)"
+    )]
+    InvalidModelData,
+}
+
 fn base_error_message(result_code: VoicevoxResultCode) -> &'static str {
     let c_message: &'static str = crate::result_code::error_result_to_message(result_code);
     &c_message[..(c_message.len() - 1)]

crates/voicevox_core/src/inference_core.rs

@@ -1,9 +1,6 @@
 use self::status::*;
 use super::*;
-use onnxruntime::{
-    ndarray,
-    session::{AnyArray, NdArray},
-};
+use onnxruntime::{ndarray, session::NdArray};
 
 const PHONEME_LENGTH_MINIMAL: f32 = 0.01;
 
@@ -18,7 +15,7 @@ impl InferenceCore {
         load_all_models: bool,
     ) -> Result<Self> {
         if !use_gpu || Self::can_support_gpu_feature()? {
-            let mut status = Status::new(use_gpu, cpu_num_threads);
+            let status = Status::new(use_gpu, cpu_num_threads);
 
             if load_all_models {
                 for model in &VoiceModel::get_all_models().await? {
@@ -43,14 +40,14 @@ impl InferenceCore {
         }
     }
 
-    pub async fn load_model(&mut self, model: &VoiceModel) -> Result<()> {
+    pub async fn load_model(&self, model: &VoiceModel) -> Result<()> {
         self.status.load_model(model).await
     }
 
-    pub fn unload_model(&mut self, voice_model_id: &VoiceModelId) -> Result<()> {
+    pub fn unload_model(&self, voice_model_id: &VoiceModelId) -> Result<()> {
         self.status.unload_model(voice_model_id)
     }
-    pub fn metas(&self) -> &VoiceModelMeta {
+    pub fn metas(&self) -> VoiceModelMeta {
         self.status.metas()
     }
 
@@ -71,21 +68,15 @@ impl InferenceCore {
             return Err(Error::InvalidStyleId { style_id });
         }
 
-        let (model_id, model_inner_id) = self
-            .status
-            .id_relations
-            .get(&style_id)
-            .ok_or(Error::InvalidStyleId { style_id })?;
-
-        let mut phoneme_vector_array = NdArray::new(ndarray::arr1(phoneme_vector));
-        let mut speaker_id_array = NdArray::new(ndarray::arr1(&[model_inner_id.raw_id() as i64]));
+        let (model_id, model_inner_id) = self.status.ids_for(style_id)?;
 
-        let input_tensors: Vec<&mut dyn AnyArray> =
-            vec![&mut phoneme_vector_array, &mut speaker_id_array];
+        let phoneme_vector_array = NdArray::new(ndarray::arr1(phoneme_vector));
+        let speaker_id_array = NdArray::new(ndarray::arr1(&[model_inner_id.raw_id().into()]));
 
         let mut output = self
             .status
-            .predict_duration_session_run(model_id, input_tensors)?;
+            .predict_duration_session_run(&model_id, phoneme_vector_array, speaker_id_array)
+            .await?;
 
         for output_item in output.iter_mut() {
             if *output_item < PHONEME_LENGTH_MINIMAL {
@@ -112,37 +103,31 @@ impl InferenceCore {
             return Err(Error::InvalidStyleId { style_id });
         }
 
-        let (model_id, model_inner_id) = self
-            .status
-            .id_relations
-            .get(&style_id)
-            .ok_or(Error::InvalidStyleId { style_id })?;
-
-        let mut length_array = NdArray::new(ndarray::arr0(length as i64));
-        let mut vowel_phoneme_vector_array = NdArray::new(ndarray::arr1(vowel_phoneme_vector));
-        let mut consonant_phoneme_vector_array =
-            NdArray::new(ndarray::arr1(consonant_phoneme_vector));
-        let mut start_accent_vector_array = NdArray::new(ndarray::arr1(start_accent_vector));
-        let mut end_accent_vector_array = NdArray::new(ndarray::arr1(end_accent_vector));
-        let mut start_accent_phrase_vector_array =
+        let (model_id, model_inner_id) = self.status.ids_for(style_id)?;
+
+        let length_array = NdArray::new(ndarray::arr0(length as i64));
+        let vowel_phoneme_vector_array = NdArray::new(ndarray::arr1(vowel_phoneme_vector));
+        let consonant_phoneme_vector_array = NdArray::new(ndarray::arr1(consonant_phoneme_vector));
+        let start_accent_vector_array = NdArray::new(ndarray::arr1(start_accent_vector));
+        let end_accent_vector_array = NdArray::new(ndarray::arr1(end_accent_vector));
+        let start_accent_phrase_vector_array =
             NdArray::new(ndarray::arr1(start_accent_phrase_vector));
-        let mut end_accent_phrase_vector_array =
-            NdArray::new(ndarray::arr1(end_accent_phrase_vector));
-        let mut speaker_id_array = NdArray::new(ndarray::arr1(&[model_inner_id.raw_id() as i64]));
-
-        let input_tensors: Vec<&mut dyn AnyArray> = vec![
-            &mut length_array,
-            &mut vowel_phoneme_vector_array,
-            &mut consonant_phoneme_vector_array,
-            &mut start_accent_vector_array,
-            &mut end_accent_vector_array,
-            &mut start_accent_phrase_vector_array,
-            &mut end_accent_phrase_vector_array,
-            &mut speaker_id_array,
-        ];
+        let end_accent_phrase_vector_array = NdArray::new(ndarray::arr1(end_accent_phrase_vector));
+        let speaker_id_array = NdArray::new(ndarray::arr1(&[model_inner_id.raw_id().into()]));
 
         self.status
-            .predict_intonation_session_run(model_id, input_tensors)
+            .predict_intonation_session_run(
+                &model_id,
+                length_array,
+                vowel_phoneme_vector_array,
+                consonant_phoneme_vector_array,
+                start_accent_vector_array,
+                end_accent_vector_array,
+                start_accent_phrase_vector_array,
+                end_accent_phrase_vector_array,
+                speaker_id_array,
+            )
+            .await
     }
 
     pub async fn decode(
@@ -157,11 +142,7 @@ impl InferenceCore {
             return Err(Error::InvalidStyleId { style_id });
         }
 
-        let (model_id, model_inner_id) = self
-            .status
-            .id_relations
-            .get(&style_id)
-            .ok_or(Error::InvalidStyleId { style_id })?;
+        let (model_id, model_inner_id) = self.status.ids_for(style_id)?;
 
         // 音が途切れてしまうのを避けるworkaround処理が入っている
         // TODO: 改善したらここのpadding処理を取り除く
@@ -179,23 +160,21 @@ impl InferenceCore {
             padding_size,
         );
 
-        let mut f0_array = NdArray::new(
+        let f0_array = NdArray::new(
             ndarray::arr1(&f0_with_padding)
                 .into_shape([length_with_padding, 1])
                 .unwrap(),
         );
-        let mut phoneme_array = NdArray::new(
+        let phoneme_array = NdArray::new(
             ndarray::arr1(&phoneme_with_padding)
                 .into_shape([length_with_padding, phoneme_size])
                 .unwrap(),
         );
-        let mut speaker_id_array = NdArray::new(ndarray::arr1(&[model_inner_id.raw_id() as i64]));
-
-        let input_tensors: Vec<&mut dyn AnyArray> =
-            vec![&mut f0_array, &mut phoneme_array, &mut speaker_id_array];
+        let speaker_id_array = NdArray::new(ndarray::arr1(&[model_inner_id.raw_id().into()]));
 
         self.status
-            .decode_session_run(model_id, input_tensors)
+            .decode_session_run(&model_id, f0_array, phoneme_array, speaker_id_array)
+            .await
             .map(|output| Self::trim_padding_from_output(output, padding_size))
     }
 

crates/voicevox_core/src/result_code.rs

@@ -11,14 +11,10 @@ pub enum VoicevoxResultCode {
     VOICEVOX_RESULT_OK = 0,
     /// open_jtalk辞書ファイルが読み込まれていない
     VOICEVOX_RESULT_NOT_LOADED_OPENJTALK_DICT_ERROR = 1,
-    /// modelの読み込みに失敗した
-    VOICEVOX_RESULT_LOAD_MODEL_ERROR = 2,
     /// サポートされているデバイス情報取得に失敗した
     VOICEVOX_RESULT_GET_SUPPORTED_DEVICES_ERROR = 3,
     /// GPUモードがサポートされていない
     VOICEVOX_RESULT_GPU_SUPPORT_ERROR = 4,
-    /// メタ情報読み込みに失敗した
-    VOICEVOX_RESULT_LOAD_METAS_ERROR = 5,
     /// 無効なstyle_idが指定された
     VOICEVOX_RESULT_INVALID_STYLE_ID_ERROR = 6,
     /// 無効なmodel_idが指定された
@@ -35,12 +31,16 @@ pub enum VoicevoxResultCode {
     VOICEVOX_RESULT_INVALID_AUDIO_QUERY_ERROR = 14,
     /// 無効なAccentPhrase
     VOICEVOX_RESULT_INVALID_ACCENT_PHRASE_ERROR = 15,
-    /// ファイルオープンエラー
-    VOICEVOX_RESULT_OPEN_FILE_ERROR = 16,
-    /// Modelを読み込めなかった
-    VOICEVOX_RESULT_VVM_MODEL_READ_ERROR = 17,
-    /// すでに読み込まれているModelを読み込もうとした
-    VOICEVOX_RESULT_ALREADY_LOADED_MODEL_ERROR = 18,
+    /// ZIPファイルを開くことに失敗した
+    VOICEVOX_RESULT_OPEN_ZIP_FILE_ERROR = 16,
+    /// ZIP内のファイルが読めなかった
+    VOICEVOX_RESULT_READ_ZIP_ENTRY_ERROR = 17,
+    /// すでに読み込まれている音声モデルを読み込もうとした
+    VOICEVOX_RESULT_MODEL_ALREADY_LOADED_ERROR = 18,
+    /// すでに読み込まれているスタイルを読み込もうとした
+    VOICEVOX_RESULT_STYLE_ALREADY_LOADED_ERROR = 26,
+    /// 無効なモデルデータ
+    VOICEVOX_RESULT_INVALID_MODEL_DATA_ERROR = 27,
     /// Modelが読み込まれていない
     VOICEVOX_RESULT_UNLOADED_MODEL_ERROR = 19,
     /// ユーザー辞書を読み込めなかった
@@ -64,8 +64,6 @@ pub const fn error_result_to_message(result_code: VoicevoxResultCode) -> &'stati
         VOICEVOX_RESULT_NOT_LOADED_OPENJTALK_DICT_ERROR => {
             "OpenJTalkの辞書が読み込まれていません\0"
         }
-        VOICEVOX_RESULT_LOAD_MODEL_ERROR => "modelデータ読み込みに失敗しました\0",
-        VOICEVOX_RESULT_LOAD_METAS_ERROR => "メタデータ読み込みに失敗しました\0",
 
         VOICEVOX_RESULT_GPU_SUPPORT_ERROR => "GPU機能をサポートすることができません\0",
         VOICEVOX_RESULT_GET_SUPPORTED_DEVICES_ERROR => {
@@ -85,11 +83,11 @@ pub const fn error_result_to_message(result_code: VoicevoxResultCode) -> &'stati
         }
         VOICEVOX_RESULT_INVALID_AUDIO_QUERY_ERROR => "無効なaudio_queryです\0",
         VOICEVOX_RESULT_INVALID_ACCENT_PHRASE_ERROR => "無効なaccent_phraseです\0",
-        VOICEVOX_RESULT_OPEN_FILE_ERROR => "ファイルオープンに失敗しました\0",
-        VOICEVOX_RESULT_VVM_MODEL_READ_ERROR => "Modelを読み込めませんでした\0",
-        VOICEVOX_RESULT_ALREADY_LOADED_MODEL_ERROR => {
-            "すでに読み込まれているModelを読み込もうとしました\0"
-        }
+        VOICEVOX_RESULT_OPEN_ZIP_FILE_ERROR => "ZIPファイルのオープンに失敗しました\0",
+        VOICEVOX_RESULT_READ_ZIP_ENTRY_ERROR => "ZIP内のファイルを読むことができませんでした\0",
+        VOICEVOX_RESULT_MODEL_ALREADY_LOADED_ERROR => "同じIDのモデルを読むことはできません\0",
+        VOICEVOX_RESULT_STYLE_ALREADY_LOADED_ERROR => "同じIDのスタイルを読むことはできません\0",
+        VOICEVOX_RESULT_INVALID_MODEL_DATA_ERROR => "モデルデータを読むことができませんでした\0",
         VOICEVOX_RESULT_UNLOADED_MODEL_ERROR => "Modelが読み込まれていません\0",
         VOICEVOX_RESULT_LOAD_USER_DICT_ERROR => "ユーザー辞書を読み込めませんでした\0",
         VOICEVOX_RESULT_SAVE_USER_DICT_ERROR => "ユーザー辞書を書き込めませんでした\0",