platypush/platypush/plugins/video/omxplayer.py

550 lines
17 KiB
Python

import json
import os
import re
import subprocess
import time
import urllib.request
import urllib.parse
from dbus.exceptions import DBusException
from omxplayer import OMXPlayer
from platypush.context import get_backend
from platypush.plugins.media import PlayerState
from platypush.message.response import Response
from platypush.message.event.video import VideoPlayEvent, VideoPauseEvent, \
VideoStopEvent, NewPlayingVideoEvent
from .. import Plugin
class VideoOmxplayerPlugin(Plugin):
"""
Plugin to control video and media playback on your Raspberry Pi or
ARM-compatible device using OMXPlayer.
It can play local files, remote URLs, YouTube URLs and it supports torrents
search, download and play.
Requires:
* **omxplayer** installed on your system (see your distro instructions)
* **omxplayer-wrapper** (``pip install omxplayer-wrapper``)
* **python-libtorrent** (``pip install python-libtorrent``), optional for Torrent support
* **youtube-dl** installed on your system (see your distro instructions), optional for YouTube support
"""
""" Supported video extensions """
video_extensions = {
'.avi', '.flv', '.wmv', '.mov', '.mp4', '.m4v', '.mpg', '.mpeg',
'.rm', '.swf', '.vob', '.mkv'
}
default_torrent_ports = [6881, 6891]
torrent_state = {}
def __init__(self, args=[], media_dirs=[], download_dir=None, torrent_ports=[], *argv, **kwargs):
"""
:param args: Arguments that will be passed to the OMXPlayer constructor (e.g. subtitles, volume, start position, window size etc.) see https://github.com/popcornmix/omxplayer#synopsis and http://python-omxplayer-wrapper.readthedocs.io/en/latest/omxplayer/#omxplayer.player.OMXPlayer
:type args: list
:param media_dirs: Directories that will be scanned for media files when a search is performed (default: none)
:type media_dirs: list
:param download_dir: Directory where the videos/torrents will be downloaded (default: none)
:type download_dir: str
:param torrent_ports: Torrent ports to listen on (default: 6881 and 6891)
:type torrent_ports: list[int]
"""
super().__init__(*argv, **kwargs)
self.args = args
self.media_dirs = set(
filter(
lambda _: os.path.isdir(_),
map(
lambda _: os.path.abspath(os.path.expanduser(_)),
media_dirs
)
)
)
if download_dir:
self.download_dir = os.path.abspath(os.path.expanduser(download_dir))
if not os.path.isdir(self.download_dir):
raise RuntimeError('download_dir [{}] is not a valid directory'
.format(self.download_dir))
self.media_dirs.add(self.download_dir)
self.player = None
self.videos_queue = []
self.torrent_ports = torrent_ports if torrent_ports else self.default_torrent_ports
def play(self, resource):
"""
Play a resource.
:param resource: Resource to play. Supported types:
* Local files (format: ``file://<path>/<file>``)
* Remote videos (format: ``https://<url>/<resource>``)
* YouTube videos (format: ``https://www.youtube.com/watch?v=<id>``)
* Torrents (format: ``magnet:?<magnet_uri>``)
"""
if resource.startswith('youtube:') \
or resource.startswith('https://www.youtube.com/watch?v='):
resource = self._get_youtube_content(resource)
elif resource.startswith('magnet:?'):
response = self.download_torrent(resource)
resources = response.output
if resources:
self.videos_queue = resources
resource = self.videos_queue.pop(0)
else:
error = 'Unable to download torrent {}'.format(resource)
self.logger.warning(error)
return Response(errors=[error])
self.logger.info('Playing {}'.format(resource))
if self.player:
try:
self.player.stop()
self.player = None
except Exception as e:
self.logger.exception(e)
self.logger.warning('Unable to stop a previously running instance ' +
'of OMXPlayer, trying to play anyway')
try:
self.player = OMXPlayer(resource, args=self.args)
self._init_player_handlers()
except DBusException as e:
self.logger.warning('DBus connection failed: you will probably not ' +
'be able to control the media')
self.logger.exception(e)
return self.status()
def pause(self):
""" Pause the playback """
if self.player: self.player.play_pause()
def stop(self):
""" Stop the playback """
if self.player:
self.player.stop()
self.player.quit()
self.player = None
return self.status()
def voldown(self):
""" Volume down by 10% """
if self.player:
self.player.set_volume(max(-6000, self.player.volume()-1000))
return self.status()
def volup(self):
""" Volume up by 10% """
if self.player:
self.player.set_volume(min(0, self.player.volume()+1000))
return self.status()
def back(self):
""" Back by 30 seconds """
if self.player:
self.player.seek(-30)
return self.status()
def forward(self):
""" Forward by 30 seconds """
if self.player:
self.player.seek(+30)
return self.status()
def next(self):
""" Play the next track/video """
if self.player:
self.player.stop()
if self.videos_queue:
video = self.videos_queue.pop(0)
return self.play(video)
return Response(output={'status': 'no media'}, errors = [])
def hide_subtitles(self):
""" Hide the subtitles """
if self.player: self.player.hide_subtitles()
return self.status()
def hide_video(self):
""" Hide the video """
if self.player: self.player.hide_video()
return self.status()
def is_playing(self):
"""
:returns: True if it's playing, False otherwise
"""
if self.player: return self.player.is_playing()
else: return False
def load(self, resource, pause=False):
"""
Load a resource/video in the player.
:param pause: If set, load the video in paused mode (default: False)
:type pause: bool
"""
if self.player: self.player.load(resource, pause)
return self.status()
def metadata(self):
""" Get the metadata of the current video """
if self.player: return Response(output=self.player.metadata())
return self.status()
def mute(self):
""" Mute the player """
if self.player: self.player.mute()
return self.status()
def unmute(self):
""" Unmute the player """
if self.player: self.player.unmute()
return self.status()
def seek(self, relative_position):
"""
Seek backward/forward by the specified number of seconds
:param relative_position: Number of seconds relative to the current cursor
:type relative_position: int
"""
if self.player: self.player.seek(relative_position)
return self.status()
def set_position(self, position):
"""
Seek backward/forward to the specified absolute position
:param position: Number of seconds from the start
:type position: int
"""
if self.player: self.player.set_seek(position)
return self.status()
def set_volume(self, volume):
"""
Set the volume
:param volume: Volume value between 0 and 100
:type volume: int
"""
# Transform a [0,100] value to an OMXPlayer volume in [-6000,0]
volume = 60.0*volume - 6000
if self.player: self.player.set_volume(volume)
return self.status()
def status(self):
"""
Get the current player state.
:returns: A dictionary containing the current state.
Example::
output = {
"source": "https://www.youtube.com/watch?v=7L9KkZoNZkA",
"state": "play",
"volume": 80,
"elapsed": 123,
"duration": 300,
"width": 800,
"height": 600
}
"""
state = PlayerState.STOP.value
if self.player:
state = self.player.playback_status().lower()
if state == 'playing': state = PlayerState.PLAY.value
elif state == 'stopped': state = PlayerState.STOP.value
elif state == 'paused': state = PlayerState.PAUSE.value
return Response(output=json.dumps({
'source': self.player.get_source(),
'state': state,
'volume': self.player.volume(),
'elapsed': self.player.position(),
'duration': self.player.duration(),
'width': self.player.width(),
'height': self.player.height(),
}))
else:
return Response(output=json.dumps({
'state': PlayerState.STOP.value
}))
def send_message(self, msg):
try:
redis = get_backend('redis')
if not redis:
raise KeyError()
except KeyError:
self.logger.warning("Backend {} does not implement send_message " +
"and the fallback Redis backend isn't configured")
return
redis.send_message(msg)
def on_play(self):
def _f(player):
self.send_message(VideoPlayEvent(video=self.player.get_source()))
return _f
def on_pause(self):
def _f(player):
self.send_message(VideoPauseEvent(video=self.player.get_source()))
return _f
def on_stop(self):
def _f(player):
self.send_message(VideoStopEvent())
return _f
def _init_player_handlers(self):
if not self.player:
return
self.player.playEvent += self.on_play()
self.player.pauseEvent += self.on_pause()
self.player.stopEvent += self.on_stop()
def search(self, query, types=None, queue_results=False, autoplay=False):
"""
Perform a video search.
:param query: Query string, video name or partial name
:type query: str
:param types: Video types to search (default: ``["youtube", "file", "torrent"]``)
:type types: list
:param queue_results: Append the results to the current playing queue (default: False)
:type queue_results: bool
:param autoplay: Play the first result of the search (default: False)
:type autoplay: bool
"""
results = []
if types is None:
types = { 'youtube', 'file', 'torrent' }
if 'file' in types:
file_results = self.file_search(query).output
results.extend(file_results)
if 'torrent' in types:
torrent_results = self.torrent_search(query).output
results.extend(torrent_results)
if 'youtube' in types:
yt_results = self.youtube_search(query).output
results.extend(yt_results)
if results:
if queue_results:
self.videos_queue = [_['url'] for _ in results]
if autoplay:
self.play(self.videos_queue.pop(0))
elif autoplay:
self.play(results[0]['url'])
return Response(output=results)
@classmethod
def _is_video_file(cls, filename):
is_video = False
for ext in cls.video_extensions:
if filename.lower().endswith(ext):
is_video = True
break
return is_video
def file_search(self, query):
results = []
query_tokens = [_.lower() for _ in re.split('\s+', query.strip())]
for media_dir in self.media_dirs:
self.logger.info('Scanning {} for "{}"'.format(media_dir, query))
for path, dirs, files in os.walk(media_dir):
for f in files:
if not self._is_video_file(f):
continue
matches_query = True
for token in query_tokens:
if token not in f.lower():
matches_query = False
break
if not matches_query:
continue
results.append({
'url': 'file://' + path + os.sep + f,
'title': f,
})
return Response(output=results)
def youtube_search(self, query):
self.logger.info('Searching YouTube for "{}"'.format(query))
query = urllib.parse.quote(query)
url = "https://www.youtube.com/results?search_query=" + query
response = urllib.request.urlopen(url)
html = response.read().decode('utf-8')
results = []
while html:
m = re.search('(<a href="(/watch\?v=.+?)".+?yt-uix-tile-link.+?title="(.+?)".+?>)', html)
if m:
results.append({
'url': 'https://www.youtube.com' + m.group(2),
'title': m.group(3)
})
html = html.split(m.group(1))[1]
else:
html = ''
self.logger.info('{} YouTube video results for the search query "{}"'
.format(len(results), query))
return Response(output=results)
@classmethod
def _get_youtube_content(cls, url):
m = re.match('youtube:video:(.*)', url)
if m: url = 'https://www.youtube.com/watch?v={}'.format(m.group(1))
proc = subprocess.Popen(['youtube-dl','-f','best', '-g', url],
stdout=subprocess.PIPE)
return proc.stdout.read().decode("utf-8", "strict")[:-1]
def torrent_search(self, query):
self.logger.info('Searching matching movie torrents for "{}"'.format(query))
request = urllib.request.urlopen(urllib.request.Request(
'https://api.apidomain.info/list?' + urllib.parse.urlencode({
'sort': 'relevance',
'quality': '720p,1080p,3d',
'page': 1,
'keywords': query,
}),
headers = {
'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 ' +
'(KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36'
})
)
results = [
{
'url': _['items'][0]['torrent_magnet'],
'title': _['title'],
}
for _ in json.loads(request.read())['MovieList']
]
return Response(output=results)
def download_torrent(self, magnet):
"""
Download a torrent to ``download_dir`` by Magnet URI
:param magnet: Magnet URI
:type magnet: str
"""
import libtorrent as lt
if not self.download_dir:
raise RuntimeError('No download_dir specified in video.omxplayer configuration')
ses = lt.session()
ses.listen_on(*self.torrent_ports)
info = lt.parse_magnet_uri(magnet)
self.logger.info('Downloading "{}" to "{}" from [{}]'
.format(info['name'], self.download_dir, magnet))
params = {
'save_path': self.download_dir,
'storage_mode': lt.storage_mode_t.storage_mode_sparse,
}
transfer = lt.add_magnet_uri(ses, magnet, params)
status = transfer.status()
files = []
self.torrent_state = {
'url': magnet,
'title': info['name'],
}
while (not status.is_seeding):
status = transfer.status()
torrent_file = transfer.torrent_file()
if torrent_file:
files = [os.path.join(
self.download_dir,
torrent_file.files().file_path(i))
for i in range(0, torrent_file.files().num_files())
if self._is_video_file(torrent_file.files().file_name(i))
]
self.torrent_state['progress'] = 100 * status.progress
self.torrent_state['download_rate'] = status.download_rate
self.torrent_state['upload_rate'] = status.upload_rate
self.torrent_state['num_peers'] = status.num_peers
self.torrent_state['state'] = status.state
self.logger.info(('Torrent download: {:.2f}% complete (down: {:.1f} kb/s ' +
'up: {:.1f} kB/s peers: {} state: {})')
.format(status.progress * 100,
status.download_rate / 1000,
status.upload_rate / 1000,
status.num_peers, status.state))
time.sleep(5)
return Response(output=files)
def get_torrent_state(self):
return self.torrent_state
# vim:sw=4:ts=4:et: