#!/usr/bin/env python

###############################################################################
# Copyright 2018 The Apollo Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
###############################################################################

import numpy as np
import os
from collections import Counter
from glob import glob

feature_dim = 62
count = Counter()
filenames = glob('/tmp/data/feature_v1_bin/*/*.label.bin')
for filename in filenames:
    bin_data = np.fromfile(filename, dtype=np.float32)
    if bin_data.shape[0] % (feature_dim + 1) != 0:
        raise ValueError('data size (%d) must be multiple of feature_dim + 1 (%d).' %
                         (bin_data.shape[0], feature_dim + 1))
    label = bin_data[feature_dim::(feature_dim+1)].astype(np.int32)
    count.update(label)

print(count)
