Device and method for encoding/decoding

A decoding apparatus comprising:

• a tool box configured to store a plurality of functional units (FUs);
• a depacketizing unit configured to separate inputted bitstreams according to their packet types and output encoded data, decoder description, an FU list and FUs;
• an FU comparing unit configured to be inputted with the FU list, to extract FUID of the FU list and compare the FUID of the FU list with FUID of FUs stored in the tool box to determine whether a new FU is in the FU list, and to be inputted with a pertinent FU from the depacketizing unit if there is a new FU in the FU list and transfer the pertinent FU to the tool box to allow the tool box to store the new FU;
• a decoder forming unit configured to analyze the decoder description, to load FUs required for decoding the encoded data to the decoding solution from the tool box, and to form a decoder by configuring the FUs;
• and
• a decoding solution configured to be inputted with the encoded data and decode the encoded data through the formed decoder.

An encoding apparatus comprising:

• a tool box configured to store a plurality of functional units (FUs);
• an encoding unit configured to encode data and generate encoded data;
• a decoder description generation unit configured to generate a decoder description that describes FUs constituting a decoder for decoding the encoded data and the connection relation of the FUs;
• an FU list generation unit configured to generate and output an FU list for FUs constituting a decoder for decoding the encoded data;
• a packetizing unit configured to be inputted with the encoded data, to packetize and output a decoder description and an FU list corresponding to the inputted encoded data, and to be inputted with the FUs and packetize and output the inputted FUs;
• and
• an FU request signal processing unit configured to output from the tool box an FU corresponding to an FU request signal received from an outside and to input the FU to the packetizing unit.

A decoding apparatus comprising:

• a tool box configured to store a plurality of functional units (FUs);
• a communication unit configured to communicate data with an outside encoding apparatus;
• a depacketizing unit configured to separate data received from the communication unit according to their packet types and output encoded data, decoder description, an FU list and FUs;
• an FU list processing and FU requesting unit configured to compare the FU list with FUs stored in the tool box to determine whether a new FU is in the FU list and to generate an FU request signal requesting the new FU to the outside encoding apparatus if there is the new FU in the FU list;
• a decoder forming unit configured to analyze the decoder description, to load FUs required for decoding the encoded data to a decoding solution from the tool box, and to form a reconfigured decoder by configuring the FUs;
• and
• a decoding solution configured to be inputted with the encoded data and decode the encoded data through the formed reconfigured decoder.

An encoding method comprising:

• (a) generating encoded data by encoding data;
• (b) generating a decoder description that describes functional units (FUs) constituting a decoder for decoding the encoded data and the connection relation of the FUs;
• (c) generating an FU list for FUs constituting a decoder for decoding the encoded data;
• and
• (d) packetizing the encoded data and the decoder description, FU list and FUs corresponding to the encoded data.

A decoding method comprising:

• separating inputted bitstreams according to their packet types and extracting encoded data, decoder description, an functional unit (FU) list and FUs;
• extracting functional unit identification (FUID) of the FU list and comparing the FUID of the FU list with FUID of FUs stored in a tool box to determine whether a new FU is in the FU list;
• transferring a pertinent FU to the tool box, if it is determined that there is a new FU in the FU list, to allow the tool box to store the new FU;
• analyzing the decoder description and loading FUs required for decoding the encoded data from the tool box and forming a reconfigured decoder by configuring the FUs;
• and
• decoding the encoded data through the formed reconfigured decoder.

An encoding method comprising:

• generating encoded data by encoding data;
• generating a decoder description that describes FUs constituting a decoder for decoding the encoded data and the connection relation of the FUs;
• generating an FU list for FUs constituting a decoder for decoding the encoded data;
• a packetizing unit configured to packetize the encoded data and a decoder description and an FU list corresponding to the encoded data and to packetize inputted FUs;
• and
• an FU request signal processing unit configured to output from a tool box an FU corresponding to an FU request signal received from an outside and to input the FU to the packetizing unit.

A decoding method comprising:

• receiving a transmission bitstream from an outside encoding apparatus;
• separating the transmission bitstream according to packet types and extracting encoded data, decoder description and an FU list;
• comparing the FU list with FUs stored in a tool box to determine whether a new FU is in the FU list;
• generating and transmitting an FU request signal requesting the new FU to the outside encoding apparatus if it is determined that there is the new FU in the FU list;
• receiving an FU transmission data from an outside encoding apparatus;
• extracting FUs from the FU transmission data and storing the extracted FUs in the tool box;
• analyzing the decoder description and loading FUs required for decoding the encoded data and forming a reconfigured decoder by configuring the FUs;
• and
• decoding the encoded data through the formed reconfigured decoder.