blc2 - Python library and frontend for running theatrical lighting and SFX. Written for the English 2041F fall 2019 theatre production of "The Cenci".

git clone https://benconnors.ca/git-repos/blc2

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audioview.py (2934B) - raw

      1 import curses
      2 import threading
      3 
      4 from .globals import CURSES_LOCK
      5 
      6 def format_time(t):
      7     t = int(t/1000 + 0.5)
      8     h = (t // 3600)
      9     m = t % 3600
     10 
     11     s = m % 60
     12     m = m // 60
     13 
     14     if not m and not h:
     15         return "%2ds" % s
     16     elif not h:
     17         return "%2dm%2ds" % (m, s)
     18     return "%dh%2dm%2ds" % (h, m, s)
     19 
     20 class AudioView:
     21     def set_dim(self, height, width):
     22         with CURSES_LOCK, self._lock:
     23             if (height, width) != (self._height, self._width):
     24                 self.win.erase()
     25                 self.win.refresh()
     26 
     27                 self.win.resize(height, width)
     28                 self.win.redrawwin()
     29 
     30             self._height = height
     31             self._width = width
     32             self._refresh()
     33             self.win.refresh()
     34 
     35     def set_pos(self, y, x):
     36         with self._lock:
     37             if (y, x) != (self._y, self._x):
     38                 with CURSES_LOCK:
     39                     self.win.mvwin(y, x)
     40                     self._put_title()
     41                     self.win.refresh()
     42 
     43     @property
     44     def audio(self):
     45         return self._audio
     46 
     47     @audio.setter 
     48     def audio(self, v):
     49         with self._lock:
     50             self._audio = v
     51             self._refresh()
     52 
     53     @property
     54     def title(self):
     55         return self._title
     56 
     57     @title.setter 
     58     def title(self, value):
     59         with self._lock:
     60             self._title = value
     61             self._put_title()
     62             self.win.refresh()
     63 
     64     @property
     65     def highlight(self):
     66         return self._highlight
     67 
     68     @highlight.setter
     69     def highlight(self, value):
     70         with self._lock:
     71             self._highlight = value
     72             self._put_title()
     73             self.win.refresh()
     74 
     75     def _put_title(self):
     76         self.win.border()
     77         pos = min(self._width-2-len(self._title), (3*self._width)//4 - (len(self._title) // 2))
     78         self.win.addstr(self._height-1, pos, self._title, curses.A_REVERSE if self._highlight else 0)
     79 
     80     def _refresh(self):
     81         with CURSES_LOCK:
     82             self.win.erase()
     83 
     84             if self._audio is not None:
     85                 self.win.addstr(1, 1, "Filename: "+str(self._audio.filename))
     86                 self.win.addstr(2, 1, " Fade in: "+str(self._audio.fade_in)+"ms")
     87                 self.win.addstr(3, 1, "Duration: "+str(format_time(self._audio.duration)))
     88                 self.win.addstr(4, 1, "Fade out: "+str(self._audio.fade_out)+"ms")
     89 
     90             self._put_title()
     91             self.win.refresh()
     92 
     93     def __init__(self, y, x, height, width):
     94         with CURSES_LOCK:
     95             self.win = curses.newwin(height, width, y, x)
     96             self.win.leaveok(True)
     97             self.win.keypad(True)
     98 
     99         self._lock = threading.RLock()
    100         self._highlight = False
    101         self._title = "Audio"
    102         self._height = height
    103         self._width = width
    104         self._y = -1
    105         self._x = -1
    106 
    107         self._audio = None
    108 
    109         self.set_pos(y, x)
    110         self.set_dim(height, width)