| 摘要 |
PROBLEM TO BE SOLVED: To avoid a situation where data cannot be transmitted and received due to the problems of substitution setting when a reproduction request or a recording request is made. SOLUTION: When a reproduction request is made from a host PC 700, a digital video camera 800 discriminates whether the substitution setting value of an interface is a value that can be streamed, and returns Stall when it is a value that cannot be streamed. A host PC 700 having received the Stall issues a command for determining the state of media, and the digital video camera 800 having received it returns that the substitution setting is set to a value for diabling streaming. As a result, the host PC 700 can recognize that the substitution setting is required, and issues a request for enabling streaming. The digital video camera 800 having received the request acquires content data from the start of a content list and starts preparing reproduction. COPYRIGHT: (C)2006,JPO&NCIPI
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