/
omxplayer.py
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/
omxplayer.py
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# pyomxplayer from https://github.com/jbaiter/pyomxplayer
# modified by KenT, heniotierra
# ********************************
# PYOMXPLAYER
# ********************************
import pexpect
import re
import string
import dbus
import gobject
import sys
from threading import Thread
from time import sleep
from dbus import glib
from getpass import getuser
class OMXPlayer(object):
_PROPS_REXP = re.compile(r"([\w|\W]+)Subtitle count:.*", re.M)
_TIMEPROP_REXP = re.compile(r".*Duration: (\d{2}:\d{2}:\d{2}.\d{2}), start: (\d.\d+), bitrate: (\d+).*")
_FILEPROP_REXP = re.compile(r".*audio streams (\d+) video streams (\d+) chapters (\d+) subtitles (\d+).*")
_VIDEOPROP_REXP = re.compile(r".*Video codec ([\w-]+) width (\d+) height (\d+) profile ([-]{0,1}\d+) fps ([\d.]+).*")
_TITLEPROP_REXP = re.compile(r"(?:title|TITLE)\s*:\s([\w\d.&\\/'` ]+){0,1}.*", re.UNICODE)
_ARTISTPROP_REXP = re.compile(r"(?:artist|ARTIST)\s*:\s([\w\d.&\\/'` ]+){0,1}.*", re.UNICODE)
_AUDIOPROP_REXP = re.compile(r".*Audio codec (\w+) channels (\d+) samplerate (\d+) bitspersample (\d+).*")
_STATUS_REXP = re.compile(r"M:\s*([\d.]+).*")
_DONE_REXP = re.compile(r"have a nice day.*")
_LAUNCH_CMD = ''
_LAUNCH_ARGS_FORMAT = ' -I -s %s %s'
_PAUSE_CMD = 'p'
_TOGGLE_SUB_CMD = 's'
_QUIT_CMD = 'q'
AM_LETTERBOX = 'letterbox'
AM_FILL = 'fill'
AM_STRETCH = 'stretch'
paused = False
playing_location = ''
# KRT turn subtitles off as a command option is used
subtitles_visible = False
#****** KenT added argument to control dictionary generation
def __init__(self, mediafile, args=None, start_playback=False):
if not args:
args = ""
#******* KenT signals to tell the gui playing has started and ended
self.start_play_signal = False
self.end_play_signal = False
self.failed_play_signal = False
cmd = self._LAUNCH_CMD % (mediafile, args)
#print " cmd: " + cmd
self._process = pexpect.spawn(cmd)
# fout= file('logfile.txt','w')
# self._process.logfile_send = sys.stdout
# ******* KenT dictionary generation moved to a function so it can be omitted.
sleep(0.2)
self.make_dict()
self._position_thread = Thread(target=self._get_position)
self._position_thread.start()
if not start_playback:
self.toggle_pause()
# don't use toggle as it seems to have a delay
# self.toggle_subtitles()
def _get_position(self):
# ***** KenT added signals to allow polling for end by a gui event loop and also to check if a track is playing before
# sending a command to omxplayer
self.start_play_signal = True
# **** KenT Added self.position=0. Required if dictionary creation is commented out. Possibly best to leave it in even if not
self.position=-60.0
# commented out in case gui reads position before it is first written.
while self.is_running():
try:
index = self._process.expect([self._STATUS_REXP,
pexpect.TIMEOUT,
pexpect.EOF,
self._DONE_REXP])
if index == 1: continue
elif index in (2, 3):
# ******* KenT added
self.end_play_signal=True
self.position=0.0
break
else:
self.position = float(self._process.match.group(1))/1000000
except Exception:
break
sleep(0.05)
def make_dict(self):
self.timenf = dict()
self.video = dict()
self.audio = dict()
self.misc = dict()
index = -1
try:
index = self._process.expect([self._PROPS_REXP, self._DONE_REXP, pexpect.TIMEOUT])
except Exception:
if self.is_running(): self.stop()
self.failed_play_signal = True
finally:
if index != 0: self.failed_play_signal = True
if self.failed_play_signal: return False
else:
# Get file properties
output = self._process.match.group()
# Get time properties
time_props = self._TIMEPROP_REXP.search(output)
if time_props:
time_props = time_props.groups()
duration = time_props[0].split(':')
self.timenf['duration'] = int(duration[0]) * 3600 + int(duration[1]) * 60 + float(duration[2])
self.timenf['start'] = time_props[1]
self.timenf['bitrate'] = time_props[2]
else:
self.timenf['duration'] = -1
self.timenf['start'] = -1
self.timenf['bitrate'] = -1
# Get file properties
file_props = self._FILEPROP_REXP.search(output)
if file_props:
file_props = file_props.groups()
(self.audio['streams'], self.video['streams'],
self.chapters, self.subtitles) = [int(x) for x in file_props]
# Get video properties
video_props = self._VIDEOPROP_REXP.search(output)
if video_props:
video_props = video_props.groups()
self.video['decoder'] = video_props[0]
self.video['dimensions'] = tuple(int(x) for x in video_props[1:3])
self.video['profile'] = int(video_props[3])
self.video['fps'] = float(video_props[4])
# Get audio properties
audio_props = self._AUDIOPROP_REXP.search(output)
if audio_props:
audio_props = audio_props.groups()
self.audio['decoder'] = audio_props[0]
(self.audio['channels'], self.audio['rate'],
self.audio['bps']) = [int(x) for x in audio_props[1:]]
if 'streams' in self.audio and self.audio['streams'] > 0:
self.current_audio_stream = 1
self.current_volume = 0.0
title_prop = self._TITLEPROP_REXP.search(output)
if title_prop:
title_prop = title_prop.groups()
self.misc['title'] = title_prop[0]
artist_prop = self._ARTISTPROP_REXP.search(output)
if artist_prop:
artist_prop = artist_prop.groups()
self.misc['artist'] = artist_prop[0]
def init_dbus_link(self):
try:
gobject.threads_init()
glib.init_threads()
dbus_path = "/tmp/omxplayerdbus." + getuser()
bus = dbus.bus.BusConnection(open(dbus_path).readlines()[0].rstrip())
remote_object = bus.get_object("org.mpris.MediaPlayer2.omxplayer", "/org/mpris/MediaPlayer2", introspect=False)
self.dbusif_player = dbus.Interface(remote_object, 'org.mpris.MediaPlayer2.Player')
self.dbusif_props = dbus.Interface(remote_object, 'org.freedesktop.DBus.Properties')
except Exception:
return False
return True
def kill(self):
self._process.kill(1)
# ******* KenT added basic command sending function
def send_command(self,command):
self._process.send(command)
return True
# ******* KenT added test of whether _process is running (not certain this is necessary)
def is_running(self):
return self._process.isalive()
def toggle_pause(self):
if self._process.send(self._PAUSE_CMD):
self.paused = not self.paused
def toggle_subtitles(self):
if self._process.send(self._TOGGLE_SUB_CMD):
self.subtitles_visible = not self.subtitles_visible
def stop(self):
self._process.send(self._QUIT_CMD)
self._process.terminate(force=True)
def set_speed(self):
raise NotImplementedError
def set_audiochannel(self, channel_idx):
raise NotImplementedError
def set_subtitles(self, sub_idx):
raise NotImplementedError
def set_chapter(self, chapter_idx):
raise NotImplementedError
def volume(self, volume=False):
if not volume:
return self.dbusif_props.Volume()
else:
return self.dbusif_props.Volume(float(volume))
def set_position(self, secs):
return self.dbusif_player.SetPosition(dbus.ObjectPath('/not/used'), long(secs*1000000))
def set_video_geometry(self, x1, y1, x2, y2):
self.dbusif_player.VideoPos(dbus.ObjectPath('/not/used'), str(x1) + ' ' + str(y1) + ' ' + str(x2)+ ' ' + str(y2))
def set_aspect_mode(self, mode):
'''Use any of the OMXPlayer.AM_??? constants as <mode>'''
self.dbusif_player.SetAspectMode(dbus.ObjectPath('/not/used'), mode)
@staticmethod
def set_omx_location(location):
OMXPlayer._LAUNCH_CMD = location + OMXPlayer._LAUNCH_ARGS_FORMAT