def file_to_video(self, f, **kwargs):
mimetype = f.get_mimetype()
if Video.mimetype_is_video(mimetype):
v = Video.Video(URI=f._get_text_uri())
v.set_from_instance(f)
if len(kwargs) > 0:
return self.transcode_video(v, **kwargs)
else:
return v
else:
return None
def transcode_video(self, video, **kwargs):
#FIXME: This code fails with flv. Should we add an exception?
mimetype = video.get_mimetype()
if not Video.mimetype_is_video(mimetype):
log.debug("File %s is not video type: %s" % (video, mimetype))
return None
#Check if we need to convert the video
if kwargs.get('mimetype', None) == mimetype:
#Check if the video is smaller or equal then the required dimensions
#If it does, we dont need to convert it
width = kwargs.get('width', None)
height = kwargs.get('height', None)
if width or height:
(video_width, video_height) = video.get_video_size()
if (not width or video_width <= width) and \
(not height or video_height <= height):
log.debug(
"Video matches the required dimensions, not converting"
)
return video
else:
#There is no required dimensions, and we match the mimetype,
#so we dont convert it
log.debug("Video matches the mimetype, not converting")
return video
kwargs['in_file'] = video.get_local_uri()
kwargs['out_file'] = self._get_output_file(kwargs['in_file'], **kwargs)
if os.path.exists(kwargs['out_file']):
log.debug('Converted video already exists, using it')
return Video.Video(kwargs['out_file'])
if 'width' in kwargs and 'height' in kwargs:
(width, height) = video.get_video_size()
if not width and not height:
log.debug("Can't get video dimensions")
return None
kwargs['width'], kwargs['height'] = Utils.get_proportional_resize(
desiredW=int(kwargs['width']),
desiredH=int(kwargs['height']),
currentW=int(width),
currentH=int(height))
log.debug("Scaling video to %swx%sh" %
(kwargs['width'], kwargs['height']))
try:
gst_converter = GStreamerConverter()
sucess = gst_converter.convert(**kwargs)
except Exception, e:
log.debug("Error transcoding video: %s" % e)
return None
def _is_allowed_type(self, mimetype):
ok = False
if not ok and self.downloadPhotos:
ok = Photo.mimetype_is_photo(mimetype)
if not ok and self.downloadAudio:
ok = Audio.mimetype_is_audio(mimetype)
if not ok and self.downloadVideo:
ok = Video.mimetype_is_video(mimetype)
return ok
def _is_allowed_type(self, mimetype):
ok = False
if not ok and self.downloadPhotos:
ok = Photo.mimetype_is_photo(mimetype)
if not ok and self.downloadAudio:
ok = Audio.mimetype_is_audio(mimetype)
if not ok and self.downloadVideo:
ok = Video.mimetype_is_video(mimetype)
return ok
def file_to_video(self, f, **kwargs):
mimetype = f.get_mimetype()
if Video.mimetype_is_video(mimetype):
v = Video.Video(
URI=f._get_text_uri()
)
v.set_from_instance(f)
if len(kwargs) > 0:
return self.transcode_video(v,**kwargs)
else:
return v
else:
return None
def transcode_video(self, video, **kwargs):
#FIXME: This code fails with flv. Should we add an exception?
mimetype = video.get_mimetype()
if not Video.mimetype_is_video(mimetype):
log.debug("File %s is not video type: %s" % (video,mimetype))
return None
#Check if we need to convert the video
if kwargs.get('mimetype', None) == mimetype:
#Check if the video is smaller or equal then the required dimensions
#If it does, we dont need to convert it
width = kwargs.get('width', None)
height = kwargs.get('height', None)
if width or height:
(video_width, video_height) = video.get_video_size()
if (not width or video_width <= width) and \
(not height or video_height <= height):
log.debug("Video matches the required dimensions, not converting")
return video
else:
#There is no required dimensions, and we match the mimetype,
#so we dont convert it
log.debug("Video matches the mimetype, not converting")
return video
kwargs['in_file'] = video.get_local_uri()
kwargs['out_file'] = self._get_output_file(kwargs['in_file'], **kwargs)
if os.path.exists(kwargs['out_file']):
log.debug('Converted video already exists, using it')
return Video.Video(kwargs['out_file'])
if 'width' in kwargs and 'height' in kwargs:
(width, height) = video.get_video_size()
if not width and not height:
log.debug("Can't get video dimensions")
return None
kwargs['width'],kwargs['height'] = Utils.get_proportional_resize(
desiredW=int(kwargs['width']),
desiredH=int(kwargs['height']),
currentW=int(width),
currentH=int(height)
)
log.debug("Scaling video to %swx%sh" % (kwargs['width'],kwargs['height']))
try:
gst_converter = GStreamerConverter()
sucess = gst_converter.convert(**kwargs)
except Exception, e:
log.debug("Error transcoding video: %s" % e)
return None
currentH=int(height))
log.debug("Scaling video to %swx%sh" %
(kwargs['width'], kwargs['height']))
try:
gst_converter = GStreamerConverter()
sucess = gst_converter.convert(**kwargs)
except Exception, e:
log.debug("Error transcoding video: %s" % e)
return None
if not sucess:
log.debug("Error transcoding video\n")
return None
return Video.Video(kwargs['out_file'])
def transcode_audio(self, audio, **kwargs):
mimetype = audio.get_mimetype()
if not Audio.mimetype_is_audio(mimetype):
log.debug("File %s is not audio type: %s" % (audio, mimetype))
return None
kwargs['in_file'] = audio.get_local_uri()
kwargs['out_file'] = self._get_output_file(kwargs['in_file'], **kwargs)
if kwargs.get('mimetype', None) == mimetype:
log.debug('No need to convert file')
return audio
#convert audio
