lrc和ass支持忽略连音符；lrc拉丁语言自动空格分隔 (#674)

* .lrc and .ass plugin: support ignoring slur '-' lyrics

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

libresvip/plugins/ass/ass_generator.py

@@ -45,13 +45,20 @@ def generate_project(self, project: Project) -> SSAFile:
                 buffer = []
         return lyric_lines
 
+    def lyric_included(self, lyric: str) -> bool:
+        if self.options.ignore_slur_notes:
+            return lyric != "-"
+        else:
+            return True
+
     def commit_current_lyric_line(self, lyric_lines: list[SSAEvent], buffer: list[Note]) -> None:
         start_time = int(self.synchronizer.get_actual_secs_from_ticks(buffer[0].start_pos) * 1000)
         end_time = int(self.synchronizer.get_actual_secs_from_ticks(buffer[-1].end_pos) * 1000)
         lyrics = "".join(
             SYMBOL_PATTERN.sub("", note.lyric)
             + (" " if LATIN_ALPHABET.search(note.lyric) is not None else "")
             for note in buffer
+            if self.lyric_included(note.lyric)
         )
         lyric_lines.append(
             SSAEvent(

libresvip/plugins/ass/options.py

@@ -43,4 +43,11 @@ class OutputOptions(SelectSingleTrackMixin, BaseModel):
         description=_("In milliseconds, positive means ahead, negative means opposite."),
     )
     split_by: SplitOption = Field(title=_("New line by"), default=SplitOption.BOTH)
+    ignore_slur_notes: bool = Field(
+        title=_("Ignore slur notes"),
+        description=_(
+            "Ignore '-' lyrics that are used to indicate slur notes in singing synthesizers."
+        ),
+        default=True,
+    )
     encoding: str = Field(title=_("Text encoding"), default="utf-8")

libresvip/plugins/lrc/lrc_generator.py

@@ -3,7 +3,7 @@
 
 from libresvip.core.time_sync import TimeSynchronizer
 from libresvip.model.base import Project, SingingTrack
-from libresvip.utils.text import SYMBOL_PATTERN
+from libresvip.utils.text import LATIN_ALPHABET, SYMBOL_PATTERN
 
 from .model import (
     AlbumInfoTag,
@@ -81,13 +81,22 @@ def generate_project(self, project: Project) -> LrcFile:
             info_tags=info_tags,
         )
 
+    def lyric_included(self, lyric: str) -> bool:
+        if self.options.ignore_slur_notes:
+            return lyric != "-"
+        else:
+            return True
+
     def commit_current_lyric_line(
         self, lyric_lines: list[LyricLine], buffer: list[tuple[int, str]]
     ) -> None:
         start_time = self.get_time_from_ticks(buffer[0][0])
         lyrics = ""
         for _, lyric in buffer:
-            lyrics += SYMBOL_PATTERN.sub("", lyric)
+            if self.lyric_included(lyric):
+                lyrics += SYMBOL_PATTERN.sub("", lyric) + (
+                    " " if LATIN_ALPHABET.search(lyric) is not None else ""
+                )
         lyric_lines.append(
             LyricLine(
                 time_tags=[

libresvip/plugins/lrc/options.py

@@ -70,6 +70,13 @@ class OutputOptions(BaseModel):
         title=_("Offset policy"), default=OffsetPolicyOption.TIMELINE
     )
     split_by: SplitOption = Field(title=_("New line by"), default=SplitOption.BOTH)
+    ignore_slur_notes: bool = Field(
+        title=_("Ignore slur notes"),
+        description=_(
+            "Ignore '-' lyrics that are used to indicate slur notes in singing synthesizers."
+        ),
+        default=True,
+    )
     timeline: bool = Field(
         title=_("Write timeline"),
         description=_("If you need lyrics without timeline, turn off this option."),