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V3 WIP: implement playing_track structure

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This commit is contained in:
Keith Edmunds 2023-11-05 08:15:59 +00:00
parent a8ac67b9e3
commit c20dc0288f
3 changed files with 58 additions and 57 deletions
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11
app/classes.py
View File

@ -212,8 +212,9 @@ class AddFadeCurve(QObject):
self.finished.emit()
cnp_tracks = dict(
CurrentTrack=PlaylistTrack(),
NextTrack=PlaylistTrack(),
PreviousTrack=PlaylistTrack(),
)
class PlayingTrack:
next = PlaylistTrack()
now = PlaylistTrack()
previous = PlaylistTrack()
playing_track = PlayingTrack()

78
app/musicmuster.py
View File

@ -52,7 +52,7 @@ from sqlalchemy import text
import stackprinter # type: ignore
from classes import (
cnp_tracks,
playing_track,
FadeCurve,
MusicMusterSignals,
PlaylistTrack,
@ -387,7 +387,7 @@ class Window(QMainWindow, Ui_MainWindow):
Clear next track
"""
cnp_tracks["NextTrack"] = PlaylistTrack()
playing_track.next = PlaylistTrack()
self.update_headers()
def clear_selection(self) -> None:
@ -708,13 +708,13 @@ class Window(QMainWindow, Ui_MainWindow):
# self.current_track.playlist_tab.play_ended()
# Reset fade graph
if cnp_tracks["CurrentTrack"].fade_graph:
cnp_tracks["CurrentTrack"].fade_graph.clear()
if playing_track.now.fade_graph:
playing_track.now.fade_graph.clear()
# Reset PlaylistTrack objects
if cnp_tracks["CurrentTrack"].track_id:
cnp_tracks["PreviousTrack"] = cnp_tracks["CurrentTrack"]
cnp_tracks["CurrentTrack"] = PlaylistTrack()
if playing_track.now.track_id:
playing_track.previous = playing_track.now
playing_track.now = PlaylistTrack()
# Reset clocks
self.frame_fade.setStyleSheet("")
@ -786,13 +786,13 @@ class Window(QMainWindow, Ui_MainWindow):
"""
if (
cnp_tracks["CurrentTrack"].track_id is None
or cnp_tracks["CurrentTrack"].start_time is None
playing_track.now.track_id is None
or playing_track.now.start_time is None
):
return 0
now = datetime.now()
track_start = cnp_tracks["CurrentTrack"].start_time
track_start = playing_track.now.start_time
elapsed_seconds = (now - track_start).total_seconds()
return int(elapsed_seconds * 1000)
@ -946,7 +946,7 @@ class Window(QMainWindow, Ui_MainWindow):
plr
for plr in playlistrows
if plr.id
not in [cnp_tracks["CurrentTrack"].plr_id, cnp_tracks["NextTrack"].plr_id]
not in [playing_track.now.plr_id, playing_track.next.plr_id]
]
rows_to_delete = [
@ -1154,10 +1154,10 @@ class Window(QMainWindow, Ui_MainWindow):
"""
# If there is no next track set, return.
if not cnp_tracks["NextTrack"].track_id:
if not playing_track.next.track_id:
log.debug("musicmuster.play_next(): no next track selected")
return
if not cnp_tracks["NextTrack"].path:
if not playing_track.next.path:
log.debug("musicmuster.play_next(): no path for next track")
return
@ -1167,7 +1167,7 @@ class Window(QMainWindow, Ui_MainWindow):
# Move next track to current track.
# stop_playing() above has called end_of_track_actions()
# which will have populated self.previous_track
cnp_tracks["CurrentTrack"] = cnp_tracks["NextTrack"]
playing_track.now = playing_track.next
# Clear next track
self.clear_next()
@ -1183,10 +1183,10 @@ class Window(QMainWindow, Ui_MainWindow):
self.btnDrop3db.setChecked(False)
# Play (new) current track
if not cnp_tracks["CurrentTrack"].path:
if not playing_track.now.path:
return
cnp_tracks["CurrentTrack"].start()
self.music.play(cnp_tracks["CurrentTrack"].path, position)
playing_track.now.start()
self.music.play(playing_track.now.path, position)
# Ensure 100% volume
# For as-yet unknown reasons. sometimes the volume gets
@ -1203,8 +1203,8 @@ class Window(QMainWindow, Ui_MainWindow):
sleep(0.1)
# Show closing volume graph
if cnp_tracks["CurrentTrack"].fade_graph:
cnp_tracks["CurrentTrack"].fade_graph.plot()
if playing_track.now.fade_graph:
playing_track.now.fade_graph.plot()
# Notify model
self.active_model().current_track_started()
@ -1230,7 +1230,7 @@ class Window(QMainWindow, Ui_MainWindow):
track_path = self.active_tab().get_selected_row_track_path()
if not track_path:
# Otherwise get path to next track to play
track_path = cnp_tracks["NextTrack"].path
track_path = playing_track.next.path
if not track_path:
self.btnPreview.setChecked(False)
return
@ -1527,7 +1527,7 @@ class Window(QMainWindow, Ui_MainWindow):
Set passed plr_id as next track to play, or clear next track if None
Actions required:
- Update cnp_tracks
- Update playing_track
- Tell playlist tabs to update their 'next track' highlighting
- Update headers
- Set playlist tab colours
@ -1606,14 +1606,14 @@ class Window(QMainWindow, Ui_MainWindow):
# Update volume fade curve
if (
cnp_tracks["CurrentTrack"].track_id
and cnp_tracks["CurrentTrack"].fade_graph
and cnp_tracks["CurrentTrack"].start_time
playing_track.now.track_id
and playing_track.now.fade_graph
and playing_track.now.start_time
):
play_time = (
datetime.now() - cnp_tracks["CurrentTrack"].start_time
datetime.now() - playing_track.now.start_time
).total_seconds() * 1000
cnp_tracks["CurrentTrack"].fade_graph.tick(play_time)
playing_track.now.fade_graph.tick(play_time)
def tick_500ms(self) -> None:
"""
@ -1645,22 +1645,22 @@ class Window(QMainWindow, Ui_MainWindow):
# starting play.
if (
self.music.player
and cnp_tracks["CurrentTrack"].start_time
and playing_track.now.start_time
and (
self.music.player.is_playing()
or (datetime.now() - cnp_tracks["CurrentTrack"].start_time)
or (datetime.now() - playing_track.now.start_time)
< timedelta(microseconds=Config.PLAY_SETTLE)
)
):
playtime = self.get_playtime()
time_to_fade = cnp_tracks["CurrentTrack"].fade_at - playtime
time_to_silence = cnp_tracks["CurrentTrack"].silence_at - playtime
time_to_fade = playing_track.now.fade_at - playtime
time_to_silence = playing_track.now.silence_at - playtime
# Elapsed time
self.label_elapsed_timer.setText(
helpers.ms_to_mmss(playtime)
+ " / "
+ helpers.ms_to_mmss(cnp_tracks["CurrentTrack"].duration)
+ helpers.ms_to_mmss(playing_track.now.duration)
)
# Time to fade
@ -1703,25 +1703,25 @@ class Window(QMainWindow, Ui_MainWindow):
Update last / current / next track headers
"""
if cnp_tracks["PreviousTrack"].title and cnp_tracks["PreviousTrack"].artist:
if playing_track.previous.title and playing_track.previous.artist:
self.hdrPreviousTrack.setText(
f"{cnp_tracks['PreviousTrack'].title} - {cnp_tracks['PreviousTrack'].artist}"
f"{playing_track.previous.title} - {playing_track.previous.artist}"
)
else:
self.hdrPreviousTrack.setText("")
if cnp_tracks["CurrentTrack"].title and cnp_tracks["CurrentTrack"].artist:
if playing_track.now.title and playing_track.now.artist:
self.hdrCurrentTrack.setText(
f"{cnp_tracks['CurrentTrack'].title.replace('&', '&&')} - "
f"{cnp_tracks['CurrentTrack'].artist.replace('&', '&&')}"
f"{playing_track.now.title.replace('&', '&&')} - "
f"{playing_track.now.artist.replace('&', '&&')}"
)
else:
self.hdrCurrentTrack.setText("")
if cnp_tracks["NextTrack"].title and cnp_tracks["NextTrack"].artist:
if playing_track.next.title and playing_track.next.artist:
self.hdrNextTrack.setText(
f"{cnp_tracks['NextTrack'].title.replace('&', '&&')} - "
f"{cnp_tracks['NextTrack'].artist.replace('&', '&&')}"
f"{playing_track.next.title.replace('&', '&&')} - "
f"{playing_track.next.artist.replace('&', '&&')}"
)
else:
self.hdrNextTrack.setText("")

26
app/playlistmodel.py
View File

@ -14,7 +14,7 @@ from PyQt6.QtGui import (
QFont,
)
from classes import cnp_tracks, MusicMusterSignals, PlaylistTrack
from classes import playing_track, MusicMusterSignals, PlaylistTrack
from config import Config
from dbconfig import scoped_session, Session
from helpers import file_is_unreadable
@ -191,10 +191,10 @@ class PlaylistModel(QAbstractTableModel):
if file_is_unreadable(prd.path):
return QBrush(QColor(Config.COLOUR_UNREADABLE))
# Current track
if prd.plrid == cnp_tracks["CurrentTrack"].plr_id:
if prd.plrid == playing_track.now.plr_id:
return QBrush(QColor(Config.COLOUR_CURRENT_PLAYLIST))
# Next track
if prd.plrid == cnp_tracks["NextTrack"].plr_id:
if prd.plrid == playing_track.next.plr_id:
return QBrush(QColor(Config.COLOUR_NEXT_PLAYLIST))
# Individual cell colouring
@ -231,28 +231,28 @@ class PlaylistModel(QAbstractTableModel):
"""
# Sanity check
if not cnp_tracks["CurrentTrack"].track_id:
if not playing_track.now.track_id:
log.error(
"playlistmodel:current_track_started called with no current track"
)
return
if cnp_tracks["CurrentTrack"].plr_rownum is None:
if playing_track.now.plr_rownum is None:
log.error(
"playlistmodel:current_track_started called with no row number "
f"({cnp_tracks['CurrentTrack']=})"
f"({playing_track.now=})"
)
return
# Update display
self.invalidate_row(cnp_tracks["CurrentTrack"].plr_rownum)
self.invalidate_row(playing_track.now.plr_rownum)
# Update track times
# TODO
# Update Playdates in database
with Session() as session:
Playdates(session, cnp_tracks["CurrentTrack"].track_id)
plr = session.get(PlaylistRows, cnp_tracks["CurrentTrack"].plr_id)
Playdates(session, playing_track.now.track_id)
plr = session.get(PlaylistRows, playing_track.now.plr_id)
if plr:
plr.played = True
@ -271,7 +271,7 @@ class PlaylistModel(QAbstractTableModel):
[
a
for a in unplayed_rows
if a > cnp_tracks["CurrentTrack"].plr_rownum
if a > playing_track.now.plr_rownum
]
)
except ValueError:
@ -589,9 +589,9 @@ class PlaylistModel(QAbstractTableModel):
Set row_number as next track
"""
# Update cnp_tracks
# Update playing_trtack
with Session() as session:
cnp_tracks["NextTrack"] = PlaylistTrack()
playing_track.next = PlaylistTrack()
try:
plrid = self.playlist_rows[row_number].plrid
except IndexError:
@ -608,7 +608,7 @@ class PlaylistModel(QAbstractTableModel):
# Check track is readable
if file_is_unreadable(plr.track.path):
return
cnp_tracks["NextTrack"].set_plr(session, plr)
playing_track.next.set_plr(session, plr)
self.signals.next_track_changed_signal.emit()
self.invalidate_row(row_number)