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Now can launch one process per core, and launch new ones when the old ones end

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This commit is contained in:
Sergio Costas 2014-07-23 23:53:11 +02:00
parent 13f9e67eb1
commit 86f77faa3f
13 changed files with 761 additions and 77 deletions
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96
src/devede/mplayer_detector.py
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@ -17,8 +17,9 @@
import subprocess
import devede.configuration_data
import devede.executor
class mplayer_detector:
class mplayer_detector(devede.executor.executor):
supports_analize = True
supports_play = True
@ -39,81 +40,92 @@ class mplayer_detector:
self.config = devede.configuration_data.configuration.get_config()
def get_film_data(self,movie):
def get_film_data(self, file_name):
""" processes a file, refered by the FILE_MOVIE movie object, and fills its
main data (resolution, FPS, length...) """
video = self.get_film_data2(movie, True)
(video, audio, length) = self.analize_film_data(file_name, True)
if (video):
self.get_film_data2(movie, False)
if (video != 0):
self.analize_film_data(file_name, False)
return False # no error
else:
return True # the file is not a video file; maybe an audio-only file, or another thing
def get_film_data2(self,movie,check_audio):
def analize_film_data(self,file_name,check_audio):
if (check_audio):
frames = "0"
else:
frames = "1"
command_line = ["mplayer","-loop","1","-identify", "-vo", "null", "-ao", "null", "-frames", frames , movie.file_name]
command_line = ["mplayer","-loop","1","-identify", "-vo", "null", "-ao", "null", "-frames", frames , file_name]
handle = subprocess.Popen(command_line, stdout = subprocess.PIPE, stderr = subprocess.PIPE)
(stdout, stderr) = handle.communicate()
minimum_audio=-1
movie.audio_list=[]
movie.audio_streams = 0
movie.video_streams = 0
movie.original_width = 0
movie.original_height = 0
self.audio_list=[]
self.audio_streams = 0
self.video_streams = 0
self.original_width = 0
self.original_height = 0
self.original_length = 0
self.original_videorate = 0
self.original_audiorate = 0
self.original_audiorate_uncompressed = 0
self.original_fps = 0
for line in str(stdout).split("\\n"):
#line=self.remove_ansi(line)
line=self.remove_ansi(line)
if line == "":
continue
position=line.find("ID_")
if position==-1:
continue
line=line[position:]
if (not check_audio):
if line[:16]=="ID_VIDEO_BITRATE":
movie.original_videorate=int(int(line[17:])/1000)
if line[:14]=="ID_VIDEO_WIDTH":
movie.original_width=int(line[15:])
if line[:15]=="ID_VIDEO_HEIGHT":
movie.original_height=int(line[16:])
if line[:15]=="ID_VIDEO_ASPECT":
movie.original_aspect_ratio=float(line[16:])
if line[:12]=="ID_VIDEO_FPS":
movie.original_fps=float(line[13:])
if line[:16]=="ID_AUDIO_BITRATE":
movie.original_audiorate=int(int(line[17:])/1000)
if line[:13]=="ID_AUDIO_RATE":
movie.original_audiorate_uncompressed=int(line[14:])
if line[:9]=="ID_LENGTH":
movie.original_length=int(float(line[10:]))
if line[:16]=="ID_VIDEO_BITRATE":
self.original_videorate=int(int(line[17:])/1000)
if line[:14]=="ID_VIDEO_WIDTH":
self.original_width=int(line[15:])
if line[:15]=="ID_VIDEO_HEIGHT":
self.original_height=int(line[16:])
if line[:15]=="ID_VIDEO_ASPECT":
self.original_aspect_ratio=float(line[16:])
if line[:12]=="ID_VIDEO_FPS":
self.original_fps=float(line[13:])
if line[:16]=="ID_AUDIO_BITRATE":
self.original_audiorate=int(int(line[17:])/1000)
if line[:13]=="ID_AUDIO_RATE":
self.original_audiorate_uncompressed=int(line[14:])
if line[:9]=="ID_LENGTH":
self.original_length=int(float(line[10:]))
if line[:11]=="ID_VIDEO_ID":
movie.video_streams+=1
self.video_streams+=1
if line[:11]=="ID_AUDIO_ID":
movie.audio_streams+=1
self.audio_streams+=1
audio_track=int(line[12:])
if (minimum_audio == -1) or (minimum_audio>audio_track):
minimum_audio=audio_track
movie.audio_list.append(audio_track)
self.audio_list.append(audio_track)
movie.original_size = str(movie.original_width)+"x"+str(movie.original_height)
if (movie.original_aspect_ratio == None) or (movie.original_aspect_ratio <= 1.0):
if (movie.original_height != 0):
movie.original_aspect_ratio = (float(movie.original_width))/(float(movie.original_height))
if (check_audio):
if (movie.original_aspect_ratio != None):
movie.original_aspect_ratio = (float(int(movie.original_aspect_ratio*1000.0)))/1000.0
return (self.video_streams, self.audio_streams, self.original_length)
if (movie.video_streams == 0):
return False
else:
return True
self.original_size = str(self.original_width)+"x"+str(self.original_height)
if (self.original_aspect_ratio == None) or (self.original_aspect_ratio <= 1.0):
if (self.original_height != 0):
self.original_aspect_ratio = (float(self.original_width))/(float(self.original_height))
if (self.original_aspect_ratio != None):
self.original_aspect_ratio = (float(int(self.original_aspect_ratio*1000.0)))/1000.0
if (self.video_streams == 0):
return False
else:
return True