class VideoPlayer:
def __init__(self, root, message_handler, data, name):
self.root = root
self.message_handler = message_handler
self.data = data
self.omx_player = None
self.name = name
self.omx_running = False
self.status = 'EMPTY'
self.total_length = 0.0
self.bankslot_number = '*-*'
self.start = -1.0
self.end = -1.0
self.rate = 1
self.crop_length = 0.0
self.location = ''
self.load_attempts = 0
self.alpha = 0
def try_load(self, layer):
load_attempts = 0
while (load_attempts < 2):
load_attempts = load_attempts + 1
if self.load(layer):
print('load success')
return True
else:
print('load failed')
self.message_handler.set_message('ERROR', 'failed to load')
self.status = 'ERROR'
return False
def load(self, layer):
#try:
self.get_context_for_player()
is_dev_mode, first_screen_arg, second_screen_arg = self.set_screen_size_for_dev_mode(
)
arguments = [
'--no-osd', '--layer',
str(layer), '--adev', 'local', '--alpha', '0', first_screen_arg,
second_screen_arg
]
if not is_dev_mode:
arguments.append('--blank=0x{}'.format(
self.data.get_background_colour()))
self.status = 'LOADING'
print('the location is {}'.format(self.location))
if self.location == '':
self.status = 'EMPTY'
return True
self.omx_player = OMXPlayer(self.location,
args=arguments,
dbus_name=self.name)
self.omx_running = True
self.total_length = self.omx_player.duration(
) # <-- uneeded once self.duration stores float
if (self.end is -1):
self.end = self.total_length
if (self.start is -1):
self.start = 0
self.crop_length = self.end - self.start
print('{}: the duration is {}'.format(self.name, self.total_length))
if self.start > 0.9:
self.set_position(self.start - 0.9)
if 'show' in self.data.settings['sampler']['ON_LOAD']['value']:
self.set_alpha_value(255)
else:
self.set_alpha_value(0)
self.pause_at_start()
return True
#except (ValueError, SystemError) as e:
# print(e)
#self.message_handler.set_message('ERROR', 'load attempt fail')
#return False
def pause_at_start(self):
position = self.get_position()
start_threshold = round(self.start - 0.02, 2)
if position > start_threshold:
if self.status == 'LOADING':
self.status = 'LOADED'
self.omx_player.pause()
elif self.omx_running:
self.root.after(5, self.pause_at_start)
def start_video(self):
if 'show' in self.data.settings['sampler']['ON_START']['value']:
self.set_alpha_value(255)
else:
self.set_alpha_value(0)
if 'play' in self.data.settings['sampler']['ON_START']['value']:
self.status = 'PLAYING'
self.omx_player.play()
else:
self.status = 'START'
self.pause_at_end()
def pause_at_end(self):
position = self.get_position()
end_threshold = self.end - 0.2
if (position > end_threshold):
self.status = 'FINISHED'
self.omx_player.pause()
print('its paused at end!')
elif (self.omx_running):
self.root.after(5, self.pause_at_end)
def reload(self, layer):
self.exit()
self.omx_running = False
self.try_load(layer)
def is_loaded(self):
return self.status is 'LOADED'
def is_finished(self):
return self.status is 'FINISHED'
def get_position(self):
try:
return self.omx_player.position()
except:
print('{}: error get_position'.format(self.name))
return -1
def get_context_for_player(self):
next_context = self.data.get_next_context()
self.location = next_context['location']
#self.total_length = next_context['length']
self.start = next_context['start']
self.end = next_context['end']
self.bankslot_number = next_context['bankslot_number']
self.rate = next_context['rate']
def toggle_pause(self):
self.omx_player.play_pause()
self.status = self.omx_player.playback_status().upper()
def toggle_show(self):
if self.alpha > 127:
self.show_toggle_on = False
self.set_alpha_value(0)
else:
self.show_toggle_on = True
self.set_alpha_value(255)
def set_alpha_value(self, amount):
self.omx_player.set_alpha(amount)
self.alpha = amount
def seek(self, amount):
position = self.get_position()
after_seek_position = position + amount
if after_seek_position > self.start and after_seek_position < self.end:
self.set_position(after_seek_position)
#self.player.seek(amount)
else:
self.message_handler.set_message('INFO',
'can not seek outside range')
def change_rate(self, amount):
new_rate = self.rate + amount
if (new_rate > self.omx_player.minimum_rate()
and new_rate < self.omx_player.maximum_rate()):
updated_speed = self.omx_player.set_rate(new_rate)
self.rate = new_rate
print('max rate {} , min rate {} '.format(
self.omx_player.maximum_rate(),
self.omx_player.minimum_rate()))
return new_rate
else:
self.message_handler.set_message(
'INFO', 'can not set speed outside of range')
return self.rate
def set_position(self, position):
self.omx_player.set_position(position)
def exit(self):
try:
self.omx_player.quit()
self.status = 'EMPTY'
self.omx_running = False
except:
pass
def set_screen_size_for_dev_mode(self):
## only dev mode is needed now that auto handles all modes... can be removed probably ...
if self.data.settings['other']['DEV_MODE_RESET']['value'] == 'on':
return True, '--win', '50,350,550,750'
else:
aspect_mode = self.data.settings['video']['SCREEN_MODE']['value']
return False, '--aspect-mode', aspect_mode
#!/usr/bin/env python3
from omxplayer.player import OMXPlayer
from pathlib import Path
from time import sleep
MEDIAFILE_PATH = Path('./bigben.wav')
try:
player = OMXPlayer(MEDIAFILE_PATH, args=['--loop'])
#player = OMXPlayer(MEDIAFILE_PATH,args=['--no-osd', '--loop'], dbus_name='org.mpris.MediaPlayer2.omxplayer0', pause=True)
except Exception as err:
print("****** ERROR: ******", str(err))
player.set_rate(2)
sleep(8)
print("maximum=" + str(player.maximum_rate()))
print("minimum=" + str(player.minimum_rate()))
for i in range(60, 200):
sleep(0.2)
print(i)
player.set_rate(i / 70)
# player.set_volume(i/10);
player.quit()
