readers.py 文件源码

def prepare_reader(self,
                     filename_queue,
                     max_quantized_value=2,
                     min_quantized_value=-2):
    """Creates a single reader thread for YouTube8M SequenceExamples.

    Args:
      filename_queue: A tensorflow queue of filename locations.
      max_quantized_value: the maximum of the quantized value.
      min_quantized_value: the minimum of the quantized value.

    Returns:
      A tuple of video indexes, video features, labels, and padding data.
    """
    reader = tf.TFRecordReader()
    _, serialized_example = reader.read(filename_queue)

    return self.prepare_serialized_examples(serialized_example,
        max_quantized_value, min_quantized_value)