feat: 自動調整によって擬似的に疑問文に対応する

run.py

@@ -73,17 +73,31 @@ async def start_catch_disconnection():
             loop = asyncio.get_event_loop()
             _ = loop.create_task(cancellable_engine.catch_disconnection())
 
+    def enable_interrogative_query_param() -> Query:
+        return Query(
+            default=True,
+            description="疑問系のテキストが与えられたら自動調整する機能を有効にする。現在は長音を付け足すことで擬似的に実装される",
+        )
+
     @app.post(
         "/audio_query",
         response_model=AudioQuery,
         tags=["クエリ作成"],
         summary="音声合成用のクエリを作成する",
     )
-    def audio_query(text: str, speaker: int):
+    def audio_query(
+        text: str,
+        speaker: int,
+        enable_interrogative: bool = enable_interrogative_query_param(),  # noqa B008,
+    ):
         """
         クエリの初期値を得ます。ここで得られたクエリはそのまま音声合成に利用できます。各値の意味は`Schemas`を参照してください。
         """
-        accent_phrases = engine.create_accent_phrases(text, speaker_id=speaker)
+        accent_phrases = engine.create_accent_phrases(
+            text,
+            speaker_id=speaker,
+            enable_interrogative=enable_interrogative,
+        )
         return AudioQuery(
             accent_phrases=accent_phrases,
             speedScale=1,
@@ -103,7 +117,11 @@ def audio_query(text: str, speaker: int):
         tags=["クエリ作成"],
         summary="音声合成用のクエリをプリセットを用いて作成する",
     )
-    def audio_query_from_preset(text: str, preset_id: int):
+    def audio_query_from_preset(
+        text: str,
+        preset_id: int,
+        enable_interrogative: bool = enable_interrogative_query_param(),  # noqa B008,
+    ):
         """
         クエリの初期値を得ます。ここで得られたクエリはそのまま音声合成に利用できます。各値の意味は`Schemas`を参照してください。
         """
@@ -118,7 +136,9 @@ def audio_query_from_preset(text: str, preset_id: int):
             raise HTTPException(status_code=422, detail="該当するプリセットIDが見つかりません")
 
         accent_phrases = engine.create_accent_phrases(
-            text, speaker_id=selected_preset.style_id
+            text,
+            speaker_id=selected_preset.style_id,
+            enable_interrogative=enable_interrogative,
         )
         return AudioQuery(
             accent_phrases=accent_phrases,
@@ -145,7 +165,12 @@ def audio_query_from_preset(text: str, preset_id: int):
             }
         },
     )
-    def accent_phrases(text: str, speaker: int, is_kana: bool = False):
+    def accent_phrases(
+        text: str,
+        speaker: int,
+        is_kana: bool = False,
+        enable_interrogative: bool = enable_interrogative_query_param(),  # noqa B008,
+    ):
         """
         テキストからアクセント句を得ます。
         is_kanaが`true`のとき、テキストは次のようなAquesTalkライクな記法に従う読み仮名として処理されます。デフォルトは`false`です。
@@ -166,7 +191,11 @@ def accent_phrases(text: str, speaker: int, is_kana: bool = False):
                 accent_phrases=accent_phrases, speaker_id=speaker
             )
         else:
-            return engine.create_accent_phrases(text, speaker_id=speaker)
+            return engine.create_accent_phrases(
+                text,
+                speaker_id=speaker,
+                enable_interrogative=enable_interrogative,
+            )
 
     @app.post(
         "/mora_data",

test/test_synthesis_engine_base.py

@@ -0,0 +1,286 @@
+from typing import List
+from unittest import TestCase
+
+from voicevox_engine.dev.synthesis_engine.mock import MockSynthesisEngine
+from voicevox_engine.model import AccentPhrase, Mora
+
+
+class TestSynthesisEngineBase(TestCase):
+    def setUp(self):
+        super().setUp()
+        self.synthesis_engine = MockSynthesisEngine(speakers="")
+
+    def create_accent_phrases_test_base(
+        self, text: str, expected: List[AccentPhrase], enable_interrogative: bool
+    ):
+        actual = self.synthesis_engine.create_accent_phrases(
+            text, 1, enable_interrogative
+        )
+        self.assertEqual(
+            expected,
+            actual,
+            "case(text:"
+            + text
+            + ",enable_interrogative:"
+            + str(enable_interrogative)
+            + ")",
+        )
+
+    def test_create_accent_phrases(self):
+        def koreha_arimasuka_base_expected():
+            return [
+                AccentPhrase(
+                    moras=[
+                        Mora(
+                            text="コ",
+                            consonant="k",
+                            consonant_length=0,
+                            vowel="o",
+                            vowel_length=0,
+                            pitch=0,
+                        ),
+                        Mora(
+                            text="レ",
+                            consonant="r",
+                            consonant_length=0,
+                            vowel="e",
+                            vowel_length=0,
+                            pitch=0,
+                        ),
+                        Mora(
+                            text="ワ",
+                            consonant="w",
+                            consonant_length=0,
+                            vowel="a",
+                            vowel_length=0,
+                            pitch=0,
+                        ),
+                    ],
+                    accent=3,
+                    pause_mora=None,
+                ),
+                AccentPhrase(
+                    moras=[
+                        Mora(
+                            text="ア",
+                            consonant=None,
+                            consonant_length=None,
+                            vowel="a",
+                            vowel_length=0,
+                            pitch=0,
+                        ),
+                        Mora(
+                            text="リ",
+                            consonant="r",
+                            consonant_length=0,
+                            vowel="i",
+                            vowel_length=0,
+                            pitch=0,
+                        ),
+                        Mora(
+                            text="マ",
+                            consonant="m",
+                            consonant_length=0,
+                            vowel="a",
+                            vowel_length=0,
+                            pitch=0,
+                        ),
+                        Mora(
+                            text="ス",
+                            consonant="s",
+                            consonant_length=0,
+                            vowel="U",
+                            vowel_length=0,
+                            pitch=0,
+                        ),
+                        Mora(
+                            text="カ",
+                            consonant="k",
+                            consonant_length=0,
+                            vowel="a",
+                            vowel_length=0,
+                            pitch=0,
+                        ),
+                    ],
+                    accent=3,
+                    pause_mora=None,
+                ),
+            ]
+
+        expected = koreha_arimasuka_base_expected()
+        expected[-1].moras += [
+            Mora(
+                text="ア",
+                consonant=None,
+                consonant_length=None,
+                vowel="a",
+                vowel_length=0.15,
+                pitch=0.3,
+            )
+        ]
+        self.create_accent_phrases_test_base(
+            text="これはありますか？",
+            expected=expected,
+            enable_interrogative=True,
+        )
+
+        expected = koreha_arimasuka_base_expected()
+        self.create_accent_phrases_test_base(
+            text="これはありますか？",
+            expected=expected,
+            enable_interrogative=False,
+        )
+
+        expected = koreha_arimasuka_base_expected()
+        self.create_accent_phrases_test_base(
+            text="これはありますか",
+            expected=expected,
+            enable_interrogative=True,
+        )
+
+        def nn_base_expected():
+            return [
+                AccentPhrase(
+                    moras=[
+                        Mora(
+                            text="ン",
+                            consonant=None,
+                            consonant_length=None,
+                            vowel="N",
+                            vowel_length=0,
+                            pitch=0,
+                        ),
+                    ],
+                    accent=1,
+                    pause_mora=None,
+                )
+            ]
+
+        expected = nn_base_expected()
+        self.create_accent_phrases_test_base(
+            text="ん",
+            expected=expected,
+            enable_interrogative=True,
+        )
+
+        expected = nn_base_expected()
+        expected[-1].moras += [
+            Mora(
+                text="ン",
+                consonant=None,
+                consonant_length=None,
+                vowel="N",
+                vowel_length=0.15,
+                pitch=0.3,
+            )
+        ]
+        self.create_accent_phrases_test_base(
+            text="ん？",
+            expected=expected,
+            enable_interrogative=True,
+        )
+
+        expected = nn_base_expected()
+        self.create_accent_phrases_test_base(
+            text="ん？",
+            expected=expected,
+            enable_interrogative=False,
+        )
+
+        def ltu_base_expected():
+            return [
+                AccentPhrase(
+                    moras=[
+                        Mora(
+                            text="ッ",
+                            consonant=None,
+                            consonant_length=None,
+                            vowel="cl",
+                            vowel_length=0,
+                            pitch=0.0,
+                        ),
+                    ],
+                    accent=1,
+                    pause_mora=None,
+                )
+            ]
+
+        expected = ltu_base_expected()
+        self.create_accent_phrases_test_base(
+            text="っ",
+            expected=expected,
+            enable_interrogative=True,
+        )
+
+        expected = ltu_base_expected()
+        expected[-1].moras += [
+            Mora(
+                text="ッ",
+                consonant=None,
+                consonant_length=None,
+                vowel="cl",
+                vowel_length=0.15,
+                pitch=0.3,
+            )
+        ]
+        self.create_accent_phrases_test_base(
+            text="っ？",
+            expected=expected,
+            enable_interrogative=True,
+        )
+
+        expected = ltu_base_expected()
+        self.create_accent_phrases_test_base(
+            text="っ？",
+            expected=expected,
+            enable_interrogative=False,
+        )
+
+        def su_base_expected():
+            return [
+                AccentPhrase(
+                    moras=[
+                        Mora(
+                            text="ス",
+                            consonant="s",
+                            consonant_length=0,
+                            vowel="u",
+                            vowel_length=0,
+                            pitch=0,
+                        ),
+                    ],
+                    accent=1,
+                    pause_mora=None,
+                )
+            ]
+
+        expected = su_base_expected()
+        self.create_accent_phrases_test_base(
+            text="す",
+            expected=expected,
+            enable_interrogative=True,
+        )
+
+        expected = su_base_expected()
+        expected[-1].moras += [
+            Mora(
+                text="ウ",
+                consonant=None,
+                consonant_length=None,
+                vowel="u",
+                vowel_length=0.15,
+                pitch=0.3,
+            )
+        ]
+        self.create_accent_phrases_test_base(
+            text="す？",
+            expected=expected,
+            enable_interrogative=True,
+        )
+
+        expected = su_base_expected()
+        self.create_accent_phrases_test_base(
+            text="す？",
+            expected=expected,
+            enable_interrogative=False,
+        )