Patent ID: 8422049

Claim:
An information processing device for executing content reproduction processing, comprising: a content reproduction processing unit having a processor that performs data transformation processing by replacing a part of configuration data of input content to be reproduced with transformation data, and executes processing for reproducing the reproduction content; and a parameter generating unit that provides said content reproduction processing unit with a parameter applied in said data transformation processing, wherein said content reproduction processing unit obtains a parameter identifier that is different for each segment set as a sectioning region of reproduction content, and outputs a parameter calculation request accompanied by said parameter identifier to said parameter generating unit, and said parameter generating unit sequentially processes said parameter calculation request and a processing request other than said parameter calculation request received from said content reproduction processing unit, provides said content reproduction processing unit with a parameter corresponding to a segment in response to the parameter calculation request from said content reproduction processing unit, and holds only one unprocessed request of each of said parameter calculation request and said processing request received from said content reproduction processing unit.