def __init__(self):
cherrylog("Buiding Media Process object")
super(MediaProcess,self).__init__() #Call parent init method.
self.source_name = ""
self.mongo_connection = Connection() #This gets torn down in the parent's destructor
self.bettermedia = self.mongo_connection['BetterMedia'] # `BetterMedia` database
self.my_collection = self.bettermedia.crowdservice # `crowdservice` collection
def splice_video_into_images(videoInputPath, videoName, processedVideoPath, image_dir, video_stats):
video_name_without_extension = videoName[0:videoName.rfind(".")]
full_path = videoInputPath + "/" + videoName
md5 = video_stats['hashstring']
width = video_stats['width']
height = video_stats['height']
#Grab images for video
#Because it seems we will always want all the frames, commenting out the ability to set FPS
#ffmpeg_shell_command = "ffmpeg -i \"%s\" -r %s -s %s \"%s/%s/%s/image_%%06d.jpg\"" % ( videoInputPath +"/" + videoName, images_per_sec, str(resolution["width"]) + "x" + str(resolution["height"]), processedVideoPath, video_md5sum, imagesSubDir)
ffmpeg_shell_command = "ffmpeg -i \"%s\" -s \"%s\" \"%s/%s/%s/image%s06d.png\"" % ( full_path, width + "x" + height, processedVideoPath, md5, image_dir, "%")
cherrylog ("running ffmpeg -> " + ffmpeg_shell_command)
#test_string = re.sub(r'\x00', '', ffmpeg_shell_command)
#encoded_ffmpeg_command = cStringIO.StringIO(test_string)
#cherrylog (" does it contain nulls? " + str(ffmpeg_shell_command.find('\0')))
args = shlex.split(ffmpeg_shell_command.encode('utf-8'))
p = subprocess.call(args)
#Also build jpg files for web hosting
ffmpeg_shell_command_jpg = "ffmpeg -i \"%s\" -s \"%s\" \"%s/%s/%s/image%s06d.jpg\"" % ( full_path, width + "x" + height, processedVideoPath, md5, image_dir, "%")
cherrylog ("running ffmpeg -> " + ffmpeg_shell_command_jpg)
args = shlex.split(ffmpeg_shell_command_jpg.encode('utf-8'))
p = subprocess.call(args)
os.remove(full_path)
return True
def get_md5(path, running_os):
if (running_os == "linux"):
md5_shell_command = "md5sum \"%s\"" % (path)
elif (running_os == "osx"):
md5_shell_command = "md5 \"%s\"" % (path)
else:
md5_shell_command = "md5sum \"%s\"" % (path)
md5_args = shlex.split(md5_shell_command)
cherrylog ("Running md5sum command: " + md5_shell_command )
video_md5sum_b = subprocess.check_output(md5_args)
video_md5sum_long = video_md5sum_b.decode("utf-8")
video_md5sum = ""
#On OS X with the md5 command, we want the last
if (running_os == "osx"):
intBreak = video_md5sum_long.rfind(" ")
video_md5sum = video_md5sum_long[intBreak+1:intBreak+33]
#On linux with the md5sum command, we want the first segment
elif (running_os == "linux"):
intBreak = video_md5sum_long.find(" ")
video_md5sum = video_md5sum_long[0:intBreak]
else:
intBreak = video_md5sum_long.find(" ")
video_md5sum = video_md5sum_long[0:intBreak]
cherrylog ("Got video md5sum of " + video_md5sum)
return video_md5sum
def validate_rebuild_report_params(video_json):
if not all(k in MVideo.REBUILD_PARAMS for k in video_json):
cherrylog("Video rebuildReport command is missing params")
return FALSE
if len(video_json.keys()) != len(MVideo.REBUILD_PARAMS):
cherrylog("Video rebuildReport command: wrong number of params")
return False
return True
def validate_reprocess_metadata_params(video_json):
if not all(k in MVideo.REPROCESS_PARAMS for k in video_json):
cherrylog("Video reprocessMetadata command is missing params")
return FALSE
if len(video_json.keys()) != len(MVideo.REPROCESS_PARAMS):
cherrylog("Video reprocessMetadata command: wrong number of params")
return False
return True
def validate_analyze_params(video_json):
if not all(k in video_json for k in (MVideo.ANALYZE_PARAMS)):
cherrylog("Video lookup is missing a parameter")
return False
if len(video_json.keys()) != len(MVideo.ANALYZE_PARAMS):
cherrylog("wrong number of parameters for video ")
return False
return True
def validate_submit_params(video_json):
if not all(k in video_json for k in (MVideo.SUBMIT_PARAMS)):
cherrylog("Video submit is missing a parameter")
return False
if len(video_json.keys()) != len(MVideo.SUBMIT_PARAMS):
cherrylog("wrong number of parameters for video ")
return False
return True
def __init__(self, collection=""):
"""Constructor"""
cherrylog ("Created Media Object of type: " + str(self.__class__.__name__))
#Mongo Stuff - For safety / performance, these aren't always instantiated upon object instatiated and need to be built when needed.
self.mongo_connection = "" #Mongo connection object
self.my_collection = collection #Take a collection object if one is given.
self.bettermedia = "" #Mongo BetterMedia database
self.attributes = {} #Holds the important data for this object. This will be persisted to the Mongo DB.
self.doc_id = "" #Holds a reference to the mongo document ID
def set_env_configs(config_dir):
try:
configs['environment'] = str(yaml.load(open(config_dir + '/environment.yml')))
cherrylog ("Current Environment = " + configs['environment'])
except:
cherrylog ("Couldn't load environment file. Using default of " + DEFAULT_ENV)
configs['environment'] = DEFAULT_ENV
for i in config_files:
configs[i] = yaml.load(open(config_dir + "/" + i + '.yml'))[configs['environment']]
def validate_update_params(video_json):
if not all(k in MVideo.UPDATE_PARAMS for k in video_json):
cherrylog("Video update parameter is not valid")
# if not all (k in video_json for k in (MVideo.UPDATE_PARAMS)):
# cherrylog ("Video update is missing a parameter")
# return False
# if len(video_json.keys()) != len(MVideo.UPDATE_PARAMS):
# cherrylog ("wrong number of parameters for video ")
# return False
return True
def start_timed_process(self,**kwargs):
count = 0
function_name = str(kwargs['called_function'].__name__)
repeat_time = self.get_repeat_time(function_name)
time.sleep(self.timed_processes_shutdown_time)
while (self.running):
if (count % self.print_timed_process_update == 0):
cherrylog("Checking timed process: " + str(function_name) + " Current time: " + str(count) + " and interval timer: " + str(repeat_time))
if (count >= repeat_time):
count = 0
kwargs['called_function']()
else:
count += self.timed_processes_shutdown_time
time.sleep(self.timed_processes_shutdown_time)
def __init__(self):
"""Initialize MVideo object.
Set up the Mongo connection objects.
"""
cherrylog("Created Media Object of type: " + str(self.__class__.__name__))
self.mongo_connection = Connection() # This gets closed by the parent destructor
self.bettermedia = self.mongo_connection["BetterMedia"] # `BetterMedia` database
self.image_collection = self.bettermedia.image # `image` collection
self.scene_collection = self.bettermedia.scene
self.my_collection = self.bettermedia.video # `video` collection
self.attributes = {} # Holds the important data for this object. This will be persisted to the Mongo DB.
self.doc_id = "" # Holds a reference to the mongo document ID
def verify_key(*args, **kwargs):
"""
Function used to verify the incoming request has
the remote_key as a parameter for controlled access to this system's calls.
"""
request = cherrypy.request
params = request.body.request_params
cherrylog ("Verifying key of http request params: " + str(params))
if (params.has_key("remote_key")):
param_key = params['remote_key']
valid_remote_key = c.configs['imagetagger']['remote_key']
if (param_key == valid_remote_key):
#Strip the remote_key parameter once it has been verified.
del cherrypy.request.body.request_params['remote_key']
return True
raise cherrypy.HTTPError("401 Unauthorized")
def destroy(self):
cherrylog("Deleting video from database")
# Don't delete the video in the database, as it contains our useful metadata.
# It has unique idenfitiers, so it should never clash
# match_param = {'friendly_id':self.attributes['friendly_id']}
# self.my_collection.remove(match_param)
# Instead, mark the video as deleted
self.update({"status": {"imagetagger_status": "deleted"}}, commit=True)
# For now, don't delete other metadata about the video
# match_param = {'video':self.attributes['friendly_id']}
# self.scene_collection.remove(match_param)
# self.image_collection.remove(match_param)
# Should check if there are active crowd services, and if so, cancel them.
self.delete_data()
cherrylog("Done destroying video")
def get_thumbnail(videoInputPath, videoName, processedVideoPath, thumb_dir, thumb_name, video_stats):
cherrylog ("Getting thumbnail for video " + videoName)
full_path = videoInputPath + "/" + videoName
md5 = video_stats['hashstring']
width = video_stats['width']
height = video_stats['height']
length_seconds = video_stats['length'] / 1000
ffmpeg_shell_command = "ffmpeg -itsoffset -%d -i \"%s\" -vcodec mjpeg -vframes 1 -an -f rawvideo -s \"%s\" \"%s/%s/%s/%s\"" % ( length_seconds / 2, full_path, width + "x" + height, processedVideoPath, md5, thumb_dir, thumb_name)
args = shlex.split(ffmpeg_shell_command.encode('utf-8'))
p = subprocess.call(args)
cherrylog ("running ffmpeg -> " + ffmpeg_shell_command)
return True
def create(self):
self.doc_id = ""
"""Insert the object into the mongodb. It should not exist in mongo before this call."""
if (not self.attributes.has_key('created_at')):
self.attributes['created_at'] = datetime.datetime.now()
self.attributes['status'] = {'imagetagger_status':'created'}
self.attributes['modified_at'] = datetime.datetime.now()
cherrylog ("Creating item in database with values " + str(self.attributes))
#insert a doc
try:
insert = self.my_collection.insert(self.attributes, safe=True)
except Exception as e:
Tools.print_errors ("Error inserting object into database: " + str(self.__class__.__name__))
return False
cherrylog ("Insert of item successul: " + (str(insert)))
self.doc_id = str(insert)
return True
def doProcess(video,full_path,extension):
# Run the scene detection algorithm
cherrylog ("Running the scene detection algorithm with video: " + str(video.attributes['friendly_id']) + " and at folder: " + str(full_path) + " with file extension: " + str(extension))
detection_results = scene_detection.detect(full_path, extension)
all_scenes = get_scene_stats(video.attributes['friendly_id'], detection_results['motionIndexVector'], video.attributes['fps'])
cherrylog ("Done running get_scene_stats, updating video obj in database")
# This adds the scenes to Mongo
mongo_connection = Connection()
bettermedia = mongo_connection['BetterMedia']
scene_collection = bettermedia.scene
for scene in all_scenes:
new_scene = ms.MScene(collection=scene_collection)
new_scene.attributes = scene
new_scene.create()
mongo_connection.disconnect()
def find_nearby_nontrivial_image(nearby_files):
cherrylog("Running 'find_nearby_nontrivial_image' against " + str(len(nearby_files)) + " nearby files")
num_files = len(nearby_files)
check = int(num_files/2)
count = 1
while (check >= 0 and check < num_files):
if (is_nontrivial_image(nearby_files[check])):
cherrylog("Found a nontrivial nearby image at subindex: " + str(check))
return check #Found a nearby nontrivial image, returning the index of it
else:
if (count % 2 == 0):
check += count
else:
check -= count
count += 1
#Couldn't find a nearby nontrivial image!
return None
def get_scene_stats(video_id, motionIndexVector,fps):
cherrylog ("Running get_scene_stats")
all_scenes = []
try:
for i in range(len(motionIndexVector)-1):
num_images = motionIndexVector[i+1] - motionIndexVector[i]
start_time = time_of_frame_raw(motionIndexVector[i], fps)
stop_time = time_of_frame_raw(motionIndexVector[i+1], fps)
length = time_of_frame(start_time - stop_time)
scene = {'video': int(video_id),'scene_id': int(i),
'start_time':float(start_time),'stop_time':float(stop_time),
'num_images':int(num_images),'length':str(length),
'status':{'processed':True}}
all_scenes.append(scene)
except Exception as e:
Tools.print_errors ("Error running get_scene_stats on video_id: " + str(video_id))
return all_scenes
def accept_video(self, video_file, *args, **kwargs):
out = "myFile length: %s\nmyFile filename: %s\nmyFile mime-type: %s"
# Although this just counts the file length, it demonstrates
# how to read large files in chunks instead of all at once.
# CherryPy reads the uploaded file into a temporary file;
# myFile.file.read reads from that.
cherrylog("Got args of " + str(args) + " and " + str(kwargs))
new_file_name = kwargs["file_id"]
size = 0
video_file_directory = c.configs["imagetagger"]["video_file_directory"]
output_file = file(video_file_directory + new_file_name, "wb")
while True:
data = video_file.file.read(8192)
if not data:
break
output_file.write(data)
size += len(data)
output_file.close()
return out % (size, video_file.filename, video_file.content_type)
def flag_images_for_crowd(self, quality):
"""docstring for flag_images_for_crowd"""
match_param = {"video": self.attributes["friendly_id"]}
image_docs = self.image_collection.find(match_param, safe=True)
interval = 0
# Number of seconds between images to process
if quality == "basic":
interval = 4
elif quality == "premium":
interval = 2
else:
interval = 4
# Expects a round integer for time_in_video
for image in image_docs:
if image["time_in_video"] % interval == 0:
cherrylog("Flagging this image to be sent to crowd: " + str(image))
flag_image = mi.MImage(collection=self.image_collection)
flag_image.load(str(image["_id"]))
flag_image.update({"send_to_crowd": True})
def images(self, *args, **kw):
friendly_id = json.loads(kw["id"])
cherrylog("Received command to get to_process images for this video: " + str(friendly_id))
image_video = mv.MVideo()
if not image_video.load(alt_matching={"friendly_id": friendly_id}):
return "Could not find video"
result = image_video.get_image_json()
if result == []:
cherrylog("No images have been flagged to be analyzed yet.")
return "No images have been flagged to be analyzed yet."
if result:
cherrylog("Returned to_process images for this video as json")
return json.dumps(result)
else:
cherrylog("Something went wrong when submitting process command")
return "Unable to retrieve images for this video at this time"
def delete_data(self):
cherrylog("Removing Video files, including hidden files (.*)")
video_root_dir = c.configs["imagetagger"]["processed_videos_dir"] + "/" + self.attributes["hashstring"]
# image_files = glob.glob(video_root_dir + '/' + c.configs['imagetagger']['image_dir_name'] + '/*') + glob.glob(video_root_dir + '/' + c.configs['imagetagger']['image_dir_name'] + '/.*')
# video_files = glob.glob(video_root_dir + '/' + c.configs['imagetagger']['video_dir_name'] + '/*') + glob.glob(video_root_dir + '/' + c.configs['imagetagger']['video_dir_name'] + '/.*')
# report_files = glob.glob(video_root_dir + '/' + c.configs['imagetagger']['report_dir_name'] + '/*') + glob.glob(video_root_dir + '/' + c.configs['imagetagger']['report_dir_name'] + '/.*')
try:
# Have to first delete all files, when using the OS lib
# for image_count in range(len(image_files)):
# os.remove(image_files[image_count])
# for video_count in range(len(video_files)):
# os.remove(video_files[video_count])
# for report_count in range(len(report_files)):
# os.remove(report_files[report_count])
# os.removedirs(video_root_dir)
shutil.rmtree(video_root_dir)
except OSError:
Tools.print_errors(
"Unable to delete directory or files in "
+ c.configs["imagetagger"]["processed_videos_dir"]
+ "/"
+ self.attributes["hashstring"]
)
def send_thumbnail_to_web(self, processedVideoPath, video_stats, thumb_dir, thumb_name):
cherrylog("Building Thumbnail PUT request")
md5 = video_stats["hashstring"]
thumb_file_path = processedVideoPath + "/" + md5 + "/" + thumb_dir + "/" + thumb_name
cherrylog("thumbnail file path: " + thumb_file_path)
dest_url = c.configs["imagetagger"]["video_thumbnail_url"] + "/videos/" + str(self.attributes["friendly_id"])
cherrylog("dest url is: " + dest_url)
# Register the streaming http handlers with urllib2
register_openers()
params = {"remote_key": c.configs["imagetagger"]["remote_key"]}
datagen, headers = multipart_encode([("thumbnail", open(thumb_file_path, "rb"))])
dest_url += "?" + urllib.urlencode(params)
# Create the Request object
request = urllib2.Request(dest_url, datagen, headers)
request.get_method = lambda: "PUT"
# Actually do the request, and get the response
cherrylog("Sending Thumbnail update to imagetagger web")
print urllib2.urlopen(request).read()
cherrylog("Done!")
return True
def load(self, lookup_doc_id=None, alt_matching={}):
"""Load data from database into object in memory
Arguments:
lookup_doc_id -- the doc_id of the object that will be used for matching.
alt_matching -- An alternate dictionary for doing the lookup.
One of these two parameters is required.
"""
if (lookup_doc_id != None):
cherrylog ("Loading " + str(self.__class__.__name__) + " with params: id=" + str(lookup_doc_id))
else:
cherrylog ("Loading " + str(self.__class__.__name__) + " with params: " + str(alt_matching))
try:
match_param = {}
if (alt_matching != {}):
match_param = alt_matching
else:
match_param = {'_id':oid(lookup_doc_id)}
docs = self.my_collection.find(match_param, safe=True)
cherrylog ("got number of results as: " + str(docs.count()))
if (docs.count() == 0):
cherrylog ("Couldn't load object, 0 matching results in database!!")
return False
if (docs.count() == 1):
self.doc_id = str(docs[0]['_id'])
if docs[0].has_key('_id'): del docs[0]['_id']
self.attributes = docs[0]
return True
else:
raise Exception("Retrieved multiple videos when only 1 was expected")
except Exception as e:
Tools.print_errors ("Unable to load " + str(self.__class__.__name__) + " from database with params: id=" + str(self.doc_id))
return False
cherrylog ("Successfully loaded object: " + str(self.attributes))
return True
def is_nontrivial_image(image_file_name):
cherrylog("checking if this image is non_trivial: " + image_file_name)
image = pylab.imread(image_file_name)
height = len(image)
width = len(image[0])
white_image_sum = 3*height*width #The max sum for an image
if ( (image.sum() < (0.05 * white_image_sum)) or (image.sum() > (0.95 * white_image_sum))):
cherrylog("No, it is trivial because the sum of the pixel values is: " + str(image.sum()))
return False
else:
cherrylog("Yes, it is valid and non-trivial. Pixel sum is: " + str(image.sum()))
return True
def index(self, *args, **kw):
cherrylog("Args: " + str(kw))
#submit a new video
#http://localhost:8080/video?submit={%22display_name%22:%22testvid%22,%22video_description%22:%22Some%20Sample%20Video%22,%22video_meta_tags%22:%22apple,banana%22,%22account_id%22:1,%22friendly_id%22:12893712}
try:
if 'get_images' in kw:
get_args = json.loads(kw['get'])
file_id = get_args['file_id']
return ('<html><body><img src="/images/' + file_id + '" /></body></html>')
else:
return "Invalid Image Command"
except Exception as e:
exc_type, exc_obj, exc_tb = sys.exc_info()
fname = os.path.split(exc_tb.tb_frame.f_code.co_filename)[1]
print(exc_type, fname, exc_tb.tb_lineno)
cherrylog (str(sys.exc_info()))
cherrylog ("received invalid Video command")
return "Invalid Command"
def update(self, merge_data={}, commit=True):
""" Update object with current data into mongo.
Arguments:
merge_data -- dictionary used to represent the entire object. This will overwrite the object's current data.
commit -- Should this update of the data in memory be commited to mongo? Default: True
"""
if (not merge_data=={}):
self.merge_data(merge_data) #Intelligently merge the argument into the self.attributes variable
cherrylog ("Data merged into object: "+ str(merge_data))
if (commit):
self.attributes['modified_at'] = datetime.datetime.now()
cherrylog ("updating item in database")
try:
update = self.my_collection.update({'_id':oid(self.doc_id)}, self.attributes, safe=True)
except Exception as e:
Tools.print_errors ("Error updating object in database: " + str(self.__class__.__name__))
return False
cherrylog ("Update of item successul: " + (str(update)))
return True
def print_errors(message): cherrylog (message) exc_type, exc_obj, exc_tb = sys.exc_info() fname = os.path.split(exc_tb.tb_frame.f_code.co_filename)[1] print(exc_type, fname, exc_tb.tb_lineno) cherrylog (str(sys.exc_info()))
def poll_video_analysis_complete(self):
cherrylog ("Running: poll_video_analysis_complete")
mv.MVideo.video_analysis_complete()
