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Adding 2ms sleep to reduce CPU usage (40% now) / Ignoring hidden files (beginning with a '.' / adding feature : loading volume from a file in directory/usb for the playlist

pull/1/head
David CHANEL vor 9 Jahren
Ursprung
Commit
6e65e9b9a0
3 geänderte Dateien mit 32 neuen und 9 gelöschten Zeilen
  1. +3
    -1
      Adafruit_Video_Looper/omxplayer.py
  2. +26
    -4
      Adafruit_Video_Looper/video_looper.py
  3. +3
    -4
      video_looper.ini

+ 3
- 1
Adafruit_Video_Looper/omxplayer.py Datei anzeigen

@@ -27,13 +27,15 @@ class OMXPlayer(object):
"""Return list of supported file extensions."""
return self._extensions

def play(self, movie, loop=False):
def play(self, movie, loop=False, vol=0):
"""Play the provided movied file, optionally looping it repeatedly."""
self.stop(3) # Up to 3 second delay to let the old player stop.
# Assemble list of arguments.
args = ['omxplayer']
args.extend(['-o', self._sound]) # Add sound arguments.
args.extend(self._extra_args) # Add extra arguments from config.
if vol is not 0:
args.extend(['--vol', str(vol)])
if loop:
args.append('--loop') # Add loop parameter if necessary.
args.append(movie) # Add movie file path.


+ 26
- 4
Adafruit_Video_Looper/video_looper.py Datei anzeigen

@@ -61,7 +61,11 @@ class VideoLooper(object):
self._fgcolor = map(int, self._config.get('video_looper', 'fgcolor') \
.translate(None, ',') \
.split())
# Initialize pygame and display a blank screen.
# Load sound volume file name value
self._sound_vol_file = self._config.get('omxplayer', 'sound_vol_file');
# default value to 0 millibels (omxplayer)
self._sound_vol = 0
# Initialize pygame and display a blank screen.
pygame.display.init()
pygame.font.init()
pygame.mouse.set_visible(False)
@@ -91,6 +95,13 @@ class VideoLooper(object):
return importlib.import_module('.' + module, 'Adafruit_Video_Looper') \
.create_file_reader(self._config)

def _is_number(iself, s):
try:
float(s)
return True
except ValueError:
return False
def _build_playlist(self):
"""Search all the file reader paths for movie files with the provided
extensions.
@@ -104,12 +115,23 @@ class VideoLooper(object):
# Skip paths that don't exist or are files.
if not os.path.exists(path) or not os.path.isdir(path):
continue
# Ignore hidden files (useful when file loaded on usb
# key from an OSX computer
movies.extend(['{0}/{1}'.format(path.rstrip('/'), x) \
for x in os.listdir(path) \
if re.search('\.{0}$'.format(ex), x,
flags=re.IGNORECASE)])
flags=re.IGNORECASE) and \
x[0] is not '.'])
# Get the video volume from the file in the usb key
sound_vol_file_path = '{0}/{1}'.format(path.rstrip('/'), self._sound_vol_file)
if os.path.exists(sound_vol_file_path):
sound_file = open(sound_vol_file_path, 'r')
sound_vol_string = sound_file.readline()
if self._is_number(sound_vol_string):
self._sound_vol = int(float(sound_vol_string))
# Create a playlist with the sorted list of movies.
return Playlist(sorted(movies))

def _blank_screen(self):
"""Render a blank screen filled with the background color."""
@@ -193,7 +215,7 @@ class VideoLooper(object):
if movie is not None:
# Start playing the first available movie.
self._print('Playing movie: {0}'.format(movie))
self._player.play(movie, loop=playlist.length() == 1)
self._player.play(movie, loop=playlist.length() == 1, vol = self._sound_vol)
# Check for changes in the file search path (like USB drives added)
# and rebuild the playlist.
if self._reader.is_changed():
@@ -203,7 +225,7 @@ class VideoLooper(object):
playlist = self._build_playlist()
self._prepare_to_run_playlist(playlist)
# Give the CPU some time to do other tasks.
time.sleep(0)
time.sleep(0.002)

def signal_quit(self, signal, frame):
"""Shut down the program, meant to by called by signal handler."""


+ 3
- 4
video_looper.ini Datei anzeigen

@@ -79,11 +79,10 @@ sound = both
#sound = hdmi
#sound = local

# Sound level output for omxplayer will be read from the "sound_level_file" near
# the video files. If the file does not exist, it will be created with a default
# level of 0db
# Sound volume output for the video player will be read from a file near the
# video files. If the file does not exist, a default volume of 0db will be used

sound_level_file = omxplayer_sound_level.ini
sound_vol_file = sound_volume

# Any extra command line arguments to pass to omxplayer. It is not recommended
# that you change this unless you have a specific need to do so! The audio and


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