move video player tool to external file

This commit is contained in:
Christophe Benz 2010-09-28 02:16:18 +02:00
commit 7004c1d669
2 changed files with 116 additions and 95 deletions

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@ -1,6 +1,6 @@
# -*- coding: utf-8 -*-
# Copyright(C) 2010 Christophe Benz, Romain Bignon
# Copyright(C) 2010 Christophe Benz, Romain Bignon, John Obbele
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@ -16,105 +16,13 @@
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
import os
import logging
import errno
from subprocess import Popen, PIPE
from weboob.capabilities.video import ICapVideo
from weboob.tools.application.repl import ReplApplication
from weboob.tools.application.video_player import VideoPlayer
__all__ = ['Videoob']
class Player():
"""Black magic invoking a video player to this world.
Presently, due to strong disturbances in the holidays of the ether
world, the video player used is chosen from a static list of
programs. See PLAYERS for more information.
You MAY want to move it into a separate weboob.tools.applications
module.
"""
# A list of tuples: (player , play_from_stdin_cmd)
# FIXME: lookup preference in freedesktop MIME database
PLAYERS = [
('parole', 'parole fd://0'),
('totem', 'totem fd://0'),
('mplayer', 'mplayer -really-quiet -'),
('vlc', 'vlc -'),
('xine', 'xine stdin:/'),
]
def __init__(self):
self.player = None
for (binary,cmd_stdin) in self.PLAYERS:
if self._find_in_path(os.environ['PATH'], binary):
self.player = binary
self.player_stdin = cmd_stdin
break
if not self.player:
raise OSError(errno.ENOENT, "video player not found")
def play(self, video):
"""Play a video object, using programs from the PLAYERS list.
This function dispatch calls to either _play_default or
_play_rtmp for special rtmp streams using SWF verification.
"""
if video.url.find('rtmp') == 0:
self._play_rtmp(video)
else:
self._play_default(video)
def _play_default(self, video):
"Play video.url with the video player."
cmd = self.player + " " + video.url
args = cmd.split()
print "invoking [%s]" % cmd
os.spawnlp(os.P_NOWAIT, args[0], *args)
def _play_rtmp(self, video):
""""Download data with rtmpdump and pipe them to a video player.
You need a working version of rtmpdump installed and the SWF
object url in order to comply with SWF verification requests
from the server. The last one is retrieved from the non-standard
non-API compliant 'swf_player' attribute of the 'video' object.
"""
if not self._find_in_path(os.environ['PATH'], 'rtmpdump'):
raise OSError(errno.ENOENT, "\'rtmpdump\' binary not found")
video_url = video.url
try:
player_url = video.swf_player
rtmp = 'rtmpdump -r %s --swfVfy %s' % (video_url, player_url)
except AttributeError:
logging.warning("Your video object does not have a 'swf_player' "
"attribute. SWF verification will be disabled and "
"may prevent correct video playback.")
rtmp = 'rtmpdump -r %s' % video_url
rtmp += ' --quiet'
print ':: Streaming from %s' % video_url
print ':: to %s' % self.player_stdin
p1 = Popen(rtmp.split(), stdout=PIPE)
p2 = Popen(self.player_stdin.split(),
stdin=p1.stdout, stderr=PIPE)
def _find_in_path(self,path, filename):
for i in path.split(':'):
if os.path.exists('/'.join([i, filename])):
return True
return False
class Videoob(ReplApplication):
APPNAME = 'videoob'
@ -128,7 +36,7 @@ class Videoob(ReplApplication):
def __init__(self, *args, **kwargs):
ReplApplication.__init__(self, *args, **kwargs)
try:
self.player = Player()
self.player = VideoPlayer()
except OSError:
self.player = None

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@ -0,0 +1,113 @@
# -*- coding: utf-8 -*-
# Copyright(C) 2010 Christophe Benz, Romain Bignon, John Obbele
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
import errno
import logging
import os
from subprocess import Popen, PIPE
__all__ = ['VideoPlayer']
class VideoPlayer():
"""
Black magic invoking a video player to this world.
Presently, due to strong disturbances in the holidays of the ether
world, the video player used is chosen from a static list of
programs. See PLAYERS for more information.
"""
PLAYERS = [
('parole', 'fd://0'),
('totem', 'fd://0'),
('mplayer', '-really-quiet -'),
('vlc', '-'),
('xine', 'stdin:/'),
]
def get_player_name(self, preferred=None):
player_names = preferred if preferred else [player[0] for player in self.PLAYERS]
for player_name in player_names:
if self._find_in_path(os.environ['PATH'], player_name):
return player_name
def play(self, video):
"""
Play a video object, using programs from the PLAYERS list.
This function dispatch calls to either _play_default or
_play_rtmp for special rtmp streams using SWF verification.
"""
if video.url.find('rtmp') == 0:
self._play_rtmp(video)
else:
self._play_default(video)
def _play_default(self, video):
"""
Play video.url with the video player.
"""
player_name = self.get_player_name()
print 'Invoking "%s %s".' % (player_name, video.url)
os.spawnlp(os.P_NOWAIT, player_name, video.url)
def _play_rtmp(self, video):
"""
Download data with rtmpdump and pipe them to a video player.
You need a working version of rtmpdump installed and the SWF
object url in order to comply with SWF verification requests
from the server. The last one is retrieved from the non-standard
non-API compliant 'swf_player' attribute of the 'video' object.
"""
if not self._find_in_path(os.environ['PATH'], 'rtmpdump'):
raise OSError(errno.ENOENT, '"rtmpdump" binary not found')
video_url = video.url
try:
player_url = video.swf_player
rtmp = 'rtmpdump -r %s --swfVfy %s' % (video_url, player_url)
except AttributeError:
logging.warning('Your video object does not have a "swf_player" attribute. SWF verification will be '
'disabled and may prevent correct video playback.')
rtmp = 'rtmpdump -r %s' % video_url
rtmp += ' --quiet'
player_name = self.get_player_name()
args = None
for (binary, stdin_args) in self.PLAYERS:
if binary == player_name:
args = stdin_args
assert args is not None
print ':: Streaming from %s' % video_url
print ':: to %s %s' % (player_name, args)
p1 = Popen(rtmp.split(), stdout=PIPE)
p2 = Popen([player_name, args], stdin=p1.stdout, stderr=PIPE)
def _find_in_path(self,path, filename):
for i in path.split(':'):
if os.path.exists('/'.join([i, filename])):
return True
return False