Content reproduction apparatus
View Patent ↗In conventional technology, when a program which operates in synchronization with reproduction of video and audio instructs a trick play of video and audio such as fast-forward and rewind, the trick play of the video and audio continues even after the program is terminated. This makes it impossible to cancel a redundant trick play which continues for an interval of time which is not expected by the program. In the present invention, a program which instructs a trick play of video and audio is retained, and when the program is terminated, it is determined whether or not the program has instructed the trick play, and if that program has instructed the trick play, the trick play of the video and audio is cancelled. As a result, it is possible to cancel such a redundant trick play which would otherwise continue for some interval of time which is not expected by the program.
1. A content reproduction apparatus, comprising:
an AV data reproducer operable to reproduce AV data included in a recorded content;
a program executor operable to start and terminate an application program included in the recorded content, based on synchronization information included in the recorded content;
an AV data reproduction speed changer operable to change a reproduction speed of the AV data included in the recorded content based on an instruction from the application program;
and
a trick play instructing program termination processor operable to change, to a normal reproduction speed, the reproduction speed of the AV data being reproduced at a speed different from the normal reproduction speed, when said program executor terminates the application program based on the synchronization information included in the recorded content while the reproduction speed of the AV data reproduced by said AV data reproducer is different from the normal reproduction speed, the application program having instructed said AV data reproduction speed changer to change the reproduction speed of the AV data to the speed different from the normal reproduction speed.
2. The content reproduction apparatus according to claim 1 , further comprising:
a program receiver operable to receive the application program,
wherein the application program received by said program receiver is executed by said program executor.
3. The content reproduction apparatus according to claim 1 ,
wherein the synchronization information includes a trick play compliant flag that indicates whether the application program should be forced to terminate, and
said program executor is operable to start and terminate the application program based on the trick play compliant flag in the synchronization information included in the content.
4. The content reproduction apparatus according to claim 1 ,
wherein said program executor is operable to force the application program to terminate when an abnormality occurs during the execution of the application program.
5. The content reproduction apparatus according to claim 1 ,
wherein said program executor is operable to refer to the synchronization information included in the content, only when the reproduction speed of the content is slow.
6. The content reproduction apparatus according to claim 1 ,
wherein said program executor is operable to refer to the synchronization information included in the content, only when the reproduction speed of the content is one of equal to and less than the normal reproduction speed.