153 lines
No EOL
5.2 KiB
Python
153 lines
No EOL
5.2 KiB
Python
# Copyright 2014 (C) Raster Software Vigo (Sergio Costas)
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#
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# This file is part of DeVeDe-NG
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#
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# DeVeDe-NG is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# DeVeDe-NG is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>
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import subprocess
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import devede.configuration_data
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import devede.executor
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import os
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class mplayer_detector(devede.executor.executor):
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supports_analize = True
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supports_play = True
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supports_convert = False
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supports_menu = False
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display_name = "MPLAYER"
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@staticmethod
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def check_is_installed():
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try:
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handle = subprocess.Popen(["mplayer","-v"], stdout = subprocess.PIPE, stderr = subprocess.PIPE)
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(stdout, stderr) = handle.communicate()
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if 0==handle.wait():
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return True
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else:
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return False
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except:
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return False
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def __init__(self):
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devede.executor.executor.__init__(self)
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self.config = devede.configuration_data.configuration.get_config()
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def play_film(self,file_name):
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command_line = ["mplayer", file_name]
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self.launch_process(command_line)
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def process_stdout(self,data):
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return
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def process_stderr(self,data):
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return
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def get_film_data(self, file_name):
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""" processes a file, refered by the FILE_MOVIE movie object, and fills its
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main data (resolution, FPS, length...) """
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self.original_file_size = os.path.getsize(file_name)
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(video, audio, length) = self.analize_film_data(file_name, True)
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if (video != 0):
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self.analize_film_data(file_name, False)
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return False # no error
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else:
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return True # the file is not a video file; maybe an audio-only file, or another thing
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def analize_film_data(self,file_name,check_audio):
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if (check_audio):
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frames = "0"
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else:
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frames = "1"
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command_line = ["mplayer","-loop","1","-identify", "-vo", "null", "-ao", "null", "-frames", frames , file_name]
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(stdout, stderr) = self.launch_process(command_line, False)
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minimum_audio=-1
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self.audio_list=[]
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self.audio_streams = 0
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self.video_streams = 0
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self.original_width = 0
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self.original_height = 0
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self.original_length = 0
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self.original_videorate = 0
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self.original_audiorate = 0
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self.original_audiorate_uncompressed = 0
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self.original_fps = 0
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self.original_aspect_ratio = 0
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try:
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stdout2 = stdout.decode("utf-8")
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except:
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stdout2 = stdout.decode("latin1")
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for line in stdout2.split("\n"):
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line=self.remove_ansi(line)
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if line == "":
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continue
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position=line.find("ID_")
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if position==-1:
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continue
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line=line[position:]
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if line[:16]=="ID_VIDEO_BITRATE":
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self.original_videorate=int(int(line[17:])/1000)
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if line[:14]=="ID_VIDEO_WIDTH":
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self.original_width=int(line[15:])
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if line[:15]=="ID_VIDEO_HEIGHT":
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self.original_height=int(line[16:])
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if line[:15]=="ID_VIDEO_ASPECT":
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self.original_aspect_ratio=float(line[16:])
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if line[:12]=="ID_VIDEO_FPS":
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self.original_fps=float(line[13:])
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if line[:16]=="ID_AUDIO_BITRATE":
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self.original_audiorate=int(int(line[17:])/1000)
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if line[:13]=="ID_AUDIO_RATE":
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self.original_audiorate_uncompressed=int(line[14:])
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if line[:9]=="ID_LENGTH":
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self.original_length=int(float(line[10:]))
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if line[:11]=="ID_VIDEO_ID":
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self.video_streams+=1
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if line[:11]=="ID_AUDIO_ID":
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self.audio_streams+=1
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audio_track=int(line[12:])
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if (minimum_audio == -1) or (minimum_audio>audio_track):
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minimum_audio=audio_track
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self.audio_list.append(audio_track)
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if (check_audio):
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return (self.video_streams, self.audio_streams, self.original_length)
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else:
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self.original_size = str(self.original_width)+"x"+str(self.original_height)
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if (self.original_aspect_ratio == None) or (self.original_aspect_ratio <= 1.0):
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if (self.original_height != 0):
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self.original_aspect_ratio = (float(self.original_width))/(float(self.original_height))
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if (self.original_aspect_ratio != None):
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self.original_aspect_ratio = (float(int(self.original_aspect_ratio*1000.0)))/1000.0
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if (self.video_streams == 0):
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return False
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else:
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return True |