Patent ID: 8311101

Claim:
An apparatus comprising: an estimation circuit configured to generate a size value in response to an input signal comprising (i) a plurality of frames and (ii) a plurality of embedded subtitle elements; a rate control circuit configured to (i) pass through said plurality of frames, (ii) present a first one or more of subtitle elements for current processing in response to said size value, and (iii) present a second one or more of subtitle elements for subsequent processing; a queue circuit configured to (i) receive said second one or more subtitle elements from said rate control circuit, (ii) present said second one or more of subtitle elements processing when an available bitrate is adequate and (iii) hold said second one or more subtitle elements for subsequent processing when said available bitrate is not adequate; and an encoder circuit configured to generate an output signal in response to (i) said plurality of frames received from said rate control circuit, (ii) said first one or more subtitle elements received from said queue circuit, and (iii) said second one or more subtitle elements received from said queue circuit.