-
Notifications
You must be signed in to change notification settings - Fork 4
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
1 parent
3f206a1
commit dae858c
Showing
10 changed files
with
229 additions
and
44 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,11 +1,23 @@ | ||
| from pydantic import BaseModel | ||
| from pydantic import BaseModel, Field | ||
|
|
||
| from libresvip.core.constants import DEFAULT_BPM, TICKS_IN_BEAT | ||
| from libresvip.model.option_mixins import EnablePitchImportationMixin | ||
| from libresvip.utils.translation import gettext_lazy as _ | ||
|
|
||
|
|
||
| class InputOptions(EnablePitchImportationMixin, BaseModel): | ||
| pass | ||
| default_bpm: float = Field( | ||
| default=DEFAULT_BPM, | ||
| title=_("Default BPM"), | ||
| description=_("Used when no BPM information is found in the MIDI file."), | ||
| ) | ||
|
|
||
|
|
||
| class OutputOptions(BaseModel): | ||
| pass | ||
| ticks_per_beat: int = Field( | ||
| default=TICKS_IN_BEAT, | ||
| title=_("Ticks per beat"), | ||
| description=_( | ||
| "Also known as parts per quarter, ticks per quarter note, the number of pulses per quarter note. This setting should not be changed unless you know what it is." | ||
| ), | ||
| ) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,14 +1,182 @@ | ||
| import dataclasses | ||
| import operator | ||
| from typing import Any, Optional | ||
|
|
||
| from libresvip.model.base import Project | ||
| import more_itertools | ||
|
|
||
| from libresvip.core.constants import TICKS_IN_BEAT | ||
| from libresvip.core.time_sync import TimeSynchronizer | ||
| from libresvip.model.base import Project, SingingTrack, SongTempo, TimeSignature, Track | ||
|
|
||
| from .model import VxFile | ||
| from .options import OutputOptions | ||
|
|
||
| Container = dict[str, Any] | ||
|
|
||
|
|
||
| @dataclasses.dataclass | ||
| class VxBetaGenerator: | ||
| options: OutputOptions | ||
| synchronizer: TimeSynchronizer = dataclasses.field(init=False) | ||
| first_bar_length: int = dataclasses.field(init=False) | ||
|
|
||
| @property | ||
| def tick_rate(self) -> float: | ||
| return TICKS_IN_BEAT / self.options.ticks_per_beat | ||
|
|
||
| def generate_project(self, project: Project) -> Container: | ||
| self.first_bar_length = round( | ||
| project.time_signature_list[0].bar_length(self.options.ticks_per_beat) | ||
| ) | ||
| self.synchronizer = TimeSynchronizer(project.song_tempo_list) | ||
| master_track_events = [] | ||
| master_track_events.extend(self.generate_tempos(project.song_tempo_list)) | ||
| master_track_events.extend(self.generate_time_signatures(project.time_signature_list)) | ||
| if tracks := self.generate_tracks(project.track_list): | ||
| tracks[0]["events"].extend(master_track_events) | ||
| self._convert_cumulative_to_delta(tracks) | ||
| return { | ||
| "ticks_per_beat": self.options.ticks_per_beat, | ||
| "tracks": tracks, | ||
| } | ||
|
|
||
| @staticmethod | ||
| def _convert_cumulative_to_delta(tracks: list[Container]) -> None: | ||
| for track in tracks: | ||
| tick = 0 | ||
| track["events"] = sorted(track["events"], key=operator.itemgetter("time")) | ||
| for event in track["events"]: | ||
| tick, event["time"] = event["time"], event["time"] - tick | ||
|
|
||
| def generate_tempos(self, song_tempo_list: list[SongTempo]) -> list[Container]: | ||
| return [ | ||
| { | ||
| "tempo": tempo.bpm, | ||
| "time": round(tempo.position / self.tick_rate), | ||
| } | ||
| for tempo in song_tempo_list | ||
| if tempo.position >= 0 | ||
| ] | ||
|
|
||
| def generate_time_signatures( | ||
| self, | ||
| time_signature_list: list[TimeSignature], | ||
| ) -> list[Container]: | ||
| events = [] | ||
| prev_ticks = 0 | ||
| prev_time_signature = None | ||
| for time_signature in time_signature_list: | ||
| if time_signature.bar_index >= 0: | ||
| if prev_time_signature is not None: | ||
| prev_ticks += round( | ||
| (time_signature.bar_index - prev_time_signature.bar_index) | ||
| * prev_time_signature.bar_length(self.options.ticks_per_beat) | ||
| ) | ||
| events.append( | ||
| { | ||
| "numerator": time_signature.numerator, | ||
| "denominator": time_signature.denominator, | ||
| "time": prev_ticks, | ||
| } | ||
| ) | ||
| prev_time_signature = time_signature | ||
| return events | ||
|
|
||
| def generate_tracks(self, tracks: list[Track]) -> list[Container]: | ||
| return [ | ||
| mido_track | ||
| for track in tracks | ||
| if isinstance(track, SingingTrack) | ||
| and (mido_track := self.generate_track(track)) is not None | ||
| ] | ||
|
|
||
| def generate_project(self, project: Project) -> VxFile: | ||
| return VxFile() | ||
| def generate_track(self, track: SingingTrack) -> Optional[Container]: | ||
| events: list[Container] = [] | ||
| encoded_title = track.title.encode().decode("latin-1") | ||
| title_parts = [] | ||
| for is_first, is_last, i in more_itertools.mark_ends(range(0, len(encoded_title), 12)): | ||
| if len(encoded_title) <= 12: | ||
| title_parts.append( | ||
| {"name": encoded_title[i : i + 12].encode("latin-1").decode(), "seq_stat": 0x10} | ||
| ) | ||
| elif is_first: | ||
| title_parts.append( | ||
| {"name": encoded_title[i : i + 12].encode("latin-1").decode(), "seq_stat": 0x50} | ||
| ) | ||
| elif is_last: | ||
| title_parts.append( | ||
| {"name": encoded_title[i : i + 12].encode("latin-1").decode(), "seq_stat": 0xD0} | ||
| ) | ||
| else: | ||
| title_parts.append( | ||
| {"name": encoded_title[i : i + 12].encode("latin-1").decode(), "seq_stat": 0x90} | ||
| ) | ||
| for i, note in enumerate(track.note_list): | ||
| lyric = "l-aa" | ||
| if note.lyric.isascii(): | ||
| lyric = note.lyric | ||
| elif note.pronunciation and note.pronunciation.isascii(): | ||
| lyric = note.pronunciation | ||
| if lyric: | ||
| for is_first, is_last, offset in more_itertools.mark_ends( | ||
| range(-2, len(lyric), 12) | ||
| ): | ||
| if len(lyric) <= 10: | ||
| events.append( | ||
| { | ||
| "type": "lyrics", | ||
| "seq_num": i, | ||
| "seq_stat": 0x10, | ||
| "text": lyric[:10], | ||
| "time": 0, | ||
| } | ||
| ) | ||
| elif is_first: | ||
| events.append( | ||
| { | ||
| "type": "lyrics", | ||
| "seq_num": i, | ||
| "seq_stat": 0x50, | ||
| "text": lyric[:10], | ||
| "time": 0, | ||
| } | ||
| ) | ||
| elif is_last: | ||
| events.append( | ||
| { | ||
| "type": "lyrics", | ||
| "seq_num": None, | ||
| "seq_stat": 0xD0, | ||
| "text": lyric[offset:], | ||
| "time": 0, | ||
| } | ||
| ) | ||
| else: | ||
| events.append( | ||
| { | ||
| "type": "lyrics", | ||
| "seq_num": None, | ||
| "seq_stat": 0x90, | ||
| "text": lyric[offset : offset + 12], | ||
| "time": 0, | ||
| } | ||
| ) | ||
| events.extend( | ||
| [ | ||
| { | ||
| "type": "note_on", | ||
| "note": note.key_number, | ||
| "time": round(note.start_pos / self.tick_rate), | ||
| "velocity": 0x7F, | ||
| "on_data": i, | ||
| }, | ||
| { | ||
| "type": "note_off", | ||
| "note": note.key_number, | ||
| "time": round(note.end_pos / self.tick_rate), | ||
| "velocity": 0x00, | ||
| "off_data": 0x00, | ||
| }, | ||
| ] | ||
| ) | ||
| if events: | ||
| return {"title_parts": title_parts, "events": events} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters