Get the chunk threshold to use for writing.

Get the compression method to use for writing.

Yield index entries on the given connections in the given time range in reverse order.

Return the first index entry on/before the given time on the given connections

Return the first index entry after the given time on the given connections

Read the message from the given position in the file.

Set the chunk threshold to use for writing.

Set the compression method to use for writing.

Add encryptor information to bag file header. @param header: bag file header @type header: dict

Add rows for rosbag info. @param rows: information on bag encryption @type rows: list of tuples

Decrypt chunk. @param encrypted_chunk: chunk to decrypt @type encrypted_chunk: str @return: decrypted chunk

Read chunk from file, encrypt it, and write back to file. @param chunk_size: size of chunk @type chunk_size: int @pa

Returns information about the compression of the bag @return: generator of CompressionTuple(compression, uncompressed, compressed) de

Returns the end time of the bag. @return: a timestamp of the end of the bag @rtype: float, timestamp in seconds, includes fra

Return string for rosbag info. @return: information on bag encryption @rtype: str

Returns the number of messages in the bag. Can be filtered by Topic @param topic_filters: One or more topics to filter by @ty

Returns the start time of the bag. @return: a timestamp of the start of the bag @rtype: float, timestamp in seconds, includes

Returns the number of voxels per dimension.

Returns the current number of voxels per dimension.

Initialize encryptor by composing AES symmetric key. @param bag: bag to be encrypted/decrypted @type bag: Bag @param

Get the mode.

Returns a pointer to the value at 'index' to allow changing it. If necessary a new wrapped grid is constructed to contain that value.

Returns a pointer to the value at 'index' to allow changing it, dynamically growing the DynamicGrid and constructing new WrappedGrids as needed.