def sample_video(video_file, image_path, sample_interval):
"""Sample video frame with the specified time interval
:params video_file: path to the video file
:params image_path: path to save the sampled images
:params sample_interval: sample interval in seconds
"""
io.mkdir_p(image_path)
video_file = video_file.replace(" ", "\ ")
s = "ffmpeg -i {} -loglevel quiet -vf fps=1/{} -qscale 1 {}/%0{}d.jpg".format(video_file, sample_interval, image_path, ZERO_PADDING)
os.system(s)
def write(self, filename=None):
"""Save exif data to file."""
if filename is None:
filename = self._filename
# copy file first if needed
if self._filename != filename:
file_path = os.path.dirname(filename)
mkdir_p(file_path)
shutil.copy(self._filename, filename)
exif_bytes = piexif.dump(self._ef)
try:
piexif.insert(exif_bytes, filename)
except IOError:
type, value, traceback = sys.exc_info()
print >> sys.stderr, "Error saving file:", value
p.add_argument("--email", help="Mapillary user email")
p.add_argument('--size',
help='Image size (medium, original, small)',
default="original")
return p.parse_args()
if __name__ == "__main__":
args = get_args()
user_id = args.user_id
size = args.size
data_path = os.path.join(args.data_path, user_id)
image_path = os.path.join(data_path, size)
io.mkdir_p(image_path)
meta_file = os.path.join(data_path, "meta.json")
# Prepare meta data
if os.path.isfile(meta_file) is False:
# Download meta data
print "Downloading meta data from Panoramio API ..."
meta = download_metadata(user_id, size)
with open(meta_file, "wb") as f:
f.write(json.dumps(meta, indent=4))
else:
# load meta data
with open(meta_file, "rb") as f:
meta = json.loads(f.read())
info = get_authentication_info()
if info is not None:
MAPILLARY_USERNAME, MAPILLARY_EMAIL, MAPILLARY_PASSWORD = info
else:
print("You are missing one of the environment variables MAPILLARY_USERNAME, MAPILLARY_EMAIL or MAPILLARY_PASSWORD. These are required.")
sys.exit()
upload_token = get_upload_token(MAPILLARY_EMAIL, MAPILLARY_PASSWORD)
else:
MAPILLARY_USERNAME, MAPILLARY_EMAIL, MAPILLARY_PASSWORD = None, None, None
upload_token = None
with open(json_path, "rb") as f:
metadata = json.loads(f.read())
mkdir_p(output_path)
images = os.listdir(image_path)
num_added = 0
for i, f in enumerate(images):
if f.lower().endswith(('jpg', 'jpeg', 'png', 'tif', 'tiff', 'pgm', 'pnm', 'gif')):
output_file = os.path.join(output_path, os.path.basename(f))
if f in metadata:
add_mapillary_description(
os.path.join(image_path, f),
MAPILLARY_USERNAME,
MAPILLARY_EMAIL,
project_key,
upload_token,
metadata[f],
output_file)
p.add_argument("data_path", help="Path to save image and meta data")
p.add_argument("--user", help="Mapillary user name")
p.add_argument("--email", help="Mapillary user email")
p.add_argument('--size', help='Image size (medium, original, small)', default="original")
return p.parse_args()
if __name__ == "__main__":
args = get_args()
user_id = args.user_id
size = args.size
data_path = os.path.join(args.data_path, user_id)
image_path = os.path.join(data_path, size)
io.mkdir_p(image_path)
meta_file = os.path.join(data_path, "meta.json")
# Prepare meta data
if os.path.isfile(meta_file) is False:
# Download meta data
print "Downloading meta data from Panoramio API ..."
meta = download_metadata(user_id, size)
with open(meta_file, "wb") as f:
f.write(json.dumps(meta, indent=4))
else:
# load meta data
with open(meta_file, "rb") as f:
meta = json.loads(f.read())