add test file for fades

app/helpers.py

@@ -3,7 +3,13 @@ from datetime import datetime, date
 
 def get_relative_date(past_date, reference_date=None):
     """
-    Return relative date as string.
+    Return how long before reference_date past_date is as string.
+
+    Params:
+        @past_date: datetime
+        @reference_date: datetime, defaults to current date and time
+
+        @return: string
     """
 
     if not past_date:
@@ -19,7 +25,15 @@ def get_relative_date(past_date, reference_date=None):
     if weeks == days == 0:
         # Played today, so return time instead
         return past_date.strftime("%H:%M")
-    return f"{weeks} weeks, {days} days ago"
+    if weeks == 1:
+        weeks_str = "week"
+    else:
+        weeks_str = "weeks"
+    if days == 1:
+        days_str = "day"
+    else:
+        days_str = "days"
+    return f"{weeks} {weeks_str}, {days} {days_str} ago"
 
 
 def ms_to_mmss(ms, decimals=0, negative=False):

app/model.py

@@ -130,24 +130,6 @@ class Playdates(Base):
         ).delete()
         session.commit()
 
-    @staticmethod
-    def last_show(session, track):
-        """
-        Return datetime track last played during show time or None
-
-        FIXME: hard coded times in here
-        """
-
-        # dayofweek: 1 = Sunday, 2 = Monday, ..., 7 = Saturday.
-        friday = 6
-        after = time(20, 0)
-
-        return session.query(Playdates).filter(
-            (Playdates.track_id == track.id),
-            (func.dayofweek(Playdates.lastplayed) == friday),
-            (func.time(Playdates.lastplayed) > after),
-            ).order_by(Playdates.lastplayed.desc()).first()
-
 
 class Playlists(Base):
     """

app/musicmuster.py

@@ -226,6 +226,7 @@ class Window(QMainWindow, Ui_MainWindow):
 
         # Clean up metadata
         self.previous_track = self.current_track
+        if self.current_track_playlist_tab:
             self.current_track_playlist_tab.play_stopped()
             self.current_track_playlist_tab.clear_current()
             self.current_track_playlist_tab = None
@@ -542,6 +543,7 @@ class Window(QMainWindow, Ui_MainWindow):
 
         if not self.music.playing():
             DEBUG("musicmuster.stop_playing(): not playing", True)
+            self.end_of_track_actions()
             return
 
         self.previous_track_position = self.music.get_position()

app/songdb.py

@@ -168,11 +168,11 @@ def leading_silence(audio_segment, silence_threshold=Config.DBFS_SILENCE,
     return min(trim_ms, len(audio_segment))
 
 
-def fade_point(audio_segment, fade_threshold=Config.DBFS_FADE,
+def fade_point(audio_segment, fade_threshold=0,
                chunk_size=Config.AUDIO_SEGMENT_CHUNK_SIZE):
     """
-    Returns the millisecond/index of the point where the fade is down to
+    Returns the millisecond/index of the point where the volume drops below
-    fade_threshold and doesn't get louder again.
+    the maximum and doesn't get louder again.
     audio_segment - the sdlg_search_database_uiegment to find silence in
     fade_threshold - the upper bound for how quiet is silent in dFBS
     chunk_size - chunk size for interating over the segment in ms
@@ -182,6 +182,10 @@ def fade_point(audio_segment, fade_threshold=Config.DBFS_FADE,
 
     segment_length = audio_segment.duration_seconds * 1000  # ms
     trim_ms = segment_length - chunk_size
+    max_vol = audio_segment.dBFS
+    if fade_threshold == 0:
+        fade_threshold = max_vol
+
     while (
         audio_segment[trim_ms:trim_ms + chunk_size].dBFS < fade_threshold
             and trim_ms > 0):       # noqa W503
@@ -241,7 +245,7 @@ def update_db(session):
         # is filename in database?
         track = Tracks.get_track_from_filename(session, os.path.basename(path))
         if not track:
-            DEBUG(f"songdb.update_db: Adding to database: {path}")
+            INFO(f"songdb.update_db: Adding to database: {path}")
             create_track_from_file(session, path)
         else:
             # Check track info matches found track
@@ -257,7 +261,7 @@ def update_db(session):
     for path in list(db_paths - os_paths):
         # Manage tracks listed in database but where path is invalid
         track = Tracks.get_track_from_path(session, path)
-        DEBUG(f"songdb.update_db(): remove from database: {path=} {track=}")
+        INFO(f"songdb.update_db(): remove from database: {path=} {track=}")
 
         # Remove references from Playdates
         Playdates.remove_track(session, track.id)

archive/play.py

@@ -0,0 +1,42 @@
+#!/usr/bin/env python
+
+from pydub import AudioSegment
+
+
+def fade_point(audio_segment, fade_threshold=-12, chunk_size=10):
+    """
+    Returns the millisecond/index of the point where the fade is down to
+    fade_threshold and doesn't get louder again.
+    audio_segment - the sdlg_search_database_uiegment to find silence in
+    fade_threshold - the upper bound for how quiet is silent in dFBS
+    chunk_size - chunk size for interating over the segment in ms
+    """
+
+    assert chunk_size > 0  # to avoid infinite loop
+
+    segment_length = audio_segment.duration_seconds * 1000  # ms
+    print(f"segment_length={int(segment_length/1000)}")
+    trim_ms = segment_length - chunk_size
+
+    max_vol = audio_segment.dBFS
+    print(f"{max_vol=}")
+    fade_threshold = max_vol
+    while (
+        audio_segment[trim_ms:trim_ms + chunk_size].dBFS < fade_threshold
+            and trim_ms > 0):       # noqa W503
+        trim_ms -= chunk_size
+
+    # if there is no trailing silence, return lenght of track (it's less
+    # the chunk_size, but for chunk_size = 10ms, this may be ignored)
+    print(f"Fade last {int(segment_length - trim_ms)/1000} seconds")
+
+
+print("Shout:")
+segment = AudioSegment.from_mp3("../archive/shout.mp3")
+fade_point(segment)
+print("Champagne:")
+segment = AudioSegment.from_mp3("../archive/champ.mp3")
+fade_point(segment)
+print("Be good:")
+segment = AudioSegment.from_mp3("../archive/wibg.mp3")
+fade_point(segment)