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Refactor / simplify start/stop times

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Fixes #218
This commit is contained in:
Keith Edmunds 2024-01-19 09:58:52 +00:00
parent fcbdfc65ac
commit 4fce750223
2 changed files with 49 additions and 47 deletions
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12
app/musicmuster.py
View File

@ -1124,20 +1124,20 @@ class Window(QMainWindow, Ui_MainWindow):
if not track_sequence.now.path:
log.error("No path for next track")
return
self.music.play(track_sequence.now.path, position)
# Notify model
self.active_proxy_model().current_track_started()
# Note that track is now playing
# Note that track is playing
track_sequence.now.start()
self.playing = True
# Disable play next controls
self.disable_play_next_controls()
# Notify model
self.active_proxy_model().current_track_started()
# Update headers
self.update_headers()
track_sequence.now.start()
self.music.play(track_sequence.now.path, position)
# Ensure 100% volume
# For as-yet unknown reasons. sometimes the volume gets

84
app/playlistmodel.py
View File

@ -68,6 +68,8 @@ class PlaylistRowData:
self.played = False
self.start_gap: Optional[int] = None
self.title: str = ""
self.start_time: Optional[datetime] = None
self.end_time: Optional[datetime] = None
self.plrid: int = plr.id
self.plr_rownum: int = plr.plr_rownum
@ -93,12 +95,6 @@ class PlaylistRowData:
)
@dataclass
class StartEndTimes:
start_time: Optional[datetime] = None
end_time: Optional[datetime] = None
class PlaylistModel(QAbstractTableModel):
"""
The Playlist Model
@ -127,7 +123,6 @@ class PlaylistModel(QAbstractTableModel):
super().__init__(*args, **kwargs)
self.playlist_rows: dict[int, PlaylistRowData] = {}
self.start_end_times: dict[int, StartEndTimes] = {}
self.signals = MusicMusterSignals()
self.played_tracks_hidden = False
@ -259,6 +254,7 @@ class PlaylistModel(QAbstractTableModel):
"""
row_number = track_sequence.now.plr_rownum
prd = self.playlist_rows[row_number]
# Sanity check
if not track_sequence.now.track_id:
@ -289,8 +285,8 @@ class PlaylistModel(QAbstractTableModel):
log.error(f"Can't retrieve plr, {track_sequence.now.plr_id=}")
# Update track times
self.start_end_times[row_number].start_time = track_sequence.now.start_time
self.start_end_times[row_number].end_time = track_sequence.now.end_time
prd.start_time = track_sequence.now.start_time
prd.end_time = track_sequence.now.end_time
# Update colour and times for current row
self.invalidate_row(row_number)
@ -408,17 +404,15 @@ class PlaylistModel(QAbstractTableModel):
return QVariant()
if column == Col.START_TIME.value:
if row in self.start_end_times:
start_time = self.start_end_times[row].start_time
if start_time:
return QVariant(start_time.strftime(Config.TRACK_TIME_FORMAT))
start_time = prd.start_time
if start_time:
return QVariant(start_time.strftime(Config.TRACK_TIME_FORMAT))
return QVariant()
if column == Col.END_TIME.value:
if row in self.start_end_times:
end_time = self.start_end_times[row].end_time
if end_time:
return QVariant(end_time.strftime(Config.TRACK_TIME_FORMAT))
end_time = prd.end_time
if end_time:
return QVariant(end_time.strftime(Config.TRACK_TIME_FORMAT))
return QVariant()
dispatch_table = {
@ -1327,15 +1321,15 @@ class PlaylistModel(QAbstractTableModel):
update_rows: List[int] = []
for row_number in range(len(self.playlist_rows)):
stend = self.start_end_times[row_number] = StartEndTimes()
prd = self.playlist_rows[row_number]
# Reset start_time if this is the current row
if row_number == track_sequence.now.plr_rownum:
stend.start_time = track_sequence.now.start_time
stend.end_time = track_sequence.now.end_time
prd.start_time = track_sequence.now.start_time
prd.end_time = track_sequence.now.end_time
update_rows.append(row_number)
if not next_start_time:
next_start_time = stend.end_time
next_start_time = prd.end_time
continue
# Set start time for next row if we have a current track
@ -1343,9 +1337,9 @@ class PlaylistModel(QAbstractTableModel):
row_number == track_sequence.next.plr_rownum
and track_sequence.now.end_time
):
stend.start_time = track_sequence.now.end_time
stend.end_time = stend.start_time + timedelta(milliseconds=prd.duration)
next_start_time = stend.end_time
prd.start_time = track_sequence.now.end_time
prd.end_time = prd.start_time + timedelta(milliseconds=prd.duration)
next_start_time = prd.end_time
update_rows.append(row_number)
continue
@ -1362,31 +1356,39 @@ class PlaylistModel(QAbstractTableModel):
< row_number
< track_sequence.next.plr_rownum
):
prd.start_time = None
prd.end_time = None
update_rows.append(row_number)
continue
# Reset start time if timing in header or at current track
# Reset start time if timing in header
if self.is_header_row(row_number):
header_time = get_embedded_time(prd.note)
if header_time:
next_start_time = header_time
else:
# This is an unplayed track
# Don't schedule unplayable tracks
if file_is_unreadable(prd.path):
continue
continue
# Set start/end if we have a start time
if next_start_time is None:
continue
if stend.start_time != next_start_time:
stend.start_time = next_start_time
update_rows.append(row_number)
next_start_time += timedelta(
milliseconds=self.playlist_rows[row_number].duration
)
if stend.end_time != next_start_time:
stend.end_time = next_start_time
# This is an unplayed track
# Don't schedule unplayable tracks
if file_is_unreadable(prd.path):
continue
# Set start/end if we have a start time
if next_start_time is None:
continue
# Update start time of this row if it's incorrect
if prd.start_time != next_start_time:
prd.start_time = next_start_time
update_rows.append(row_number)
# Calculate next start time
next_start_time += timedelta(milliseconds=prd.duration)
# Update end time of this row if it's incorrect
if prd.end_time != next_start_time:
prd.end_time = next_start_time
if row_number not in update_rows:
update_rows.append(row_number)
# Update start/stop times of rows that have changed