def __get_video_stream_attribute__(self, attr, stream = None):
if stream is None:
stream = self.__get_first_video_stream__()
try:
return stream[attr]
except KeyError as e:
util.logger.error("Video stream %s has no key %s\n", util.json_fmt(stream), e.args[0])
def get_file_specs(self):
'''Reads file format specs'''
self.format = self.specs['format']['format_name']
if self.format == 'mov,mp4,m4a,3gp,3g2,mj2':
ext = util.get_file_extension(self.filename)
if re.match('^(mp4|mov)', ext, re.IGNORECASE):
self.format = ext.lower()
self.format_long = self.specs['format']['format_long_name']
self.nb_streams = int(self.specs['format']['nb_streams'])
self.size = int(self.specs['format']['size'])
try:
self.bitrate = int(self.specs['format']['bit_rate'])
except KeyError as e:
util.logger.error("JSON %s has no key %s\n", util.json_fmt(self.specs), e.args[0])
try:
self.duration = float(self.specs['format']['duration'])
except KeyError as e:
util.logger.error("JSON %s has no key %s\n", util.json_fmt(self.specs), e.args[0])
def get_fps(self, stream=None):
if self.video_fps is None:
if stream is None:
stream = self.__get_first_video_stream__()
util.logger.debug('Video stream is %s', util.json_fmt(stream))
for tag in ['avg_frame_rate', 'r_frame_rate']:
if tag in stream:
self.video_fps = media.compute_fps(stream[tag])
break
return self.video_fps
def get_video_bitrate(self):
'''Returns video file video bitrate'''
if self.video_bitrate is None:
try:
self.video_bitrate = int(self.specs['format']['bit_rate'])
except KeyError as e:
util.logger.error("Format %s has no key %s\n",
util.json_fmt(self.specs['format']),
e.args[0])
return self.video_bitrate
def probe(self):
'''Returns media file general specs'''
if self.specs is not None:
return self.specs
try:
util.logger.info('Probing %s with %s', self.filename, util.get_ffprobe())
self.specs = ffmpeg.probe(self.filename, cmd=util.get_ffprobe())
except ffmpeg.Error as e:
util.logger.error("%s error %s", util.get_ffprobe(), e.stderr)
return None
self.decode_specs()
util.logger.debug(util.json_fmt(self.specs))
return self.specs
def get_video_codec(self, stream):
'''Returns video file video codec'''
util.logger.debug('Getting video codec')
if self.video_codec is not None:
return self.video_codec
if stream is None:
stream = self.__get_first_video_stream__()
try:
self.video_codec = stream['codec_name']
except KeyError as e:
util.logger.error("Stream %s has no key %s\n",
util.json_fmt(stream), e.args[0])
return self.video_codec
"File %s is not a supported file format" % file)
if util.is_video_file(file):
file_object = video.VideoFile(file)
if nb_files == 1:
props = VIDEO_PROPS
elif util.is_audio_file(file):
file_object = audio.AudioFile(file)
if nb_files == 1:
props = AUDIO_PROPS
elif util.is_image_file(file):
file_object = img.ImageFile(file)
if nb_files == 1:
props = IMAGE_PROPS
specs = file_object.get_properties()
util.logger.debug("Specs = %s", util.json_fmt(specs))
for prop in props:
if args.format != "csv":
try:
if prop in UNITS:
divider = UNITS[prop][0]
unit = UNITS[prop][1]
if unit == 'hms':
print("%-20s : %s" %
(prop, util.to_hms_str(specs[prop])))
else:
print("%-20s : %.1f %s" %
(prop, (int(specs[prop]) / divider), unit))
else:
print("%-20s : %s" % (prop, str(specs[prop]) if
specs[prop] is not None else ''))
