Information processing device and information processing method

1. A first information processing device, comprising:

circuitry configured to:

receive a video stream from a second information processing device via wireless communication;

receive, from the second information processing device, a Real Time Streaming Protocol (RTSP) request to obtain first capability information of the first information processing device;

transmit a RTSP response that includes the first capability information to the second information processing device;

set setting information to the first capability information in the RTSP response, wherein the setting information requests the second information processing device to output the video stream that includes audio data or excludes the audio data;

set a low power consumption mode in the second information processing device based on the request to output the video stream that excludes the audio data,

wherein the video stream that excludes the audio data is output by the second information processing device in response to reception of the first capability information including the setting information that requests the second information processing device to output the video stream that excludes the audio data; and

receive, from the second information processing device, the video stream that excludes the audio data.

2. The first information processing device according to claim 1 , wherein the circuitry is further configured to:

set second capability information in the RTSP response, wherein the second capability information of the second information processing device indicates that the second information processing device is a mobile device, and

set the low power consumption mode in the second information processing device based on the second capability information and management information for management of the second information processing device.

3. The first information processing device according to claim 2 ,

wherein the management information is related to management of identification information of the second information processing device and the second capability information, and

wherein the identification information is associated with the second capability information.

4. The first information processing device according to claim 3 ,

wherein the management information includes, as the second capability information, at least one of first information about radio wave propagation measurement of the wireless communication or second information about power consumption by the second information processing device, and

wherein the wireless communication is between the first information processing device and the second information processing device.

5. The first information processing device according to claim 3 , wherein the management information includes, as the second capability information, at least third information of an output format to display image information.

6. The first information processing device according to claim 5 , wherein

the third information indicates that the image information is one of a main display or a sub-display, and

the circuitry is further configured to set the low power consumption mode in the second information processing device based on the output format that indicates the sub-display.

7. The first information processing device according to claim 6 ,

wherein the second information processing device transmits timing information to the first information processing device based on a switching process between the main display and the sub-display, and

wherein the timing information indicates a time associated with the switching process.

8. The first information processing device according to claim 2 ,

wherein at least one component of the second information processing device sleeps for a time interval in the low power consumption mode of the second information processing device.

9. The first information processing device according to claim 2 ,

wherein the circuitry is further configured to transmit a command to the second information processing device based on a change of the management information, and

wherein the command is to notify the change of the management information to the second information processing device.

10. The first information processing device according to claim 9 ,

wherein the circuitry is further configured to transmit a RTSP Message as the command to the second information processing device, and

wherein the RTSP Message contains a Wi-Fi display (wfd)-triggered-method defined in Wi-Fi CERTIFIED Miracast specifications.

11. The first information processing device according to claim 1 , wherein the circuitry is further configured to set a power consumption mode with a RTSP message defined in Wi-Fi Display specifications.

12. The first information processing device according to claim 1 ,

wherein the circuitry is further configured to exchange the first capability information and second capability information through one of capability negotiation or capability re-negotiation, and

wherein the capability negotiation and the capability re-negotiation are defined in Wi-Fi Display specifications.

13. The first information processing device according to claim 1 , wherein the first capability information and second capability information are exchangeable in a RTSP Message in at least one of capability negotiation or capability re-negotiation.

14. The first information processing device according to claim 1 , wherein the circuitry is further configured to:

communicate with the second information processing device based on one of a first frequency band or a second frequency band, wherein a first data transmission rate of the second frequency band is higher than a second data transmission rate of the first frequency band, and

set one of a first power consumption mode for the first frequency band or a second power consumption mode for the second frequency band.

15. The first information processing device according to claim 1 , wherein the circuitry is further configured to:

output first audio data associated with a main image at a first volume and

output second audio data associated with a sub-image at a second volume different from the first volume, and

wherein the first audio data and the second audio data are output based on the setting information that requests the second information processing device to output the video stream that includes the audio data.

16. The first information processing device according to claim 1 , wherein the circuitry is further configured to set the low power consumption mode in the second information processing device based on the second information processing device is a mobile device.

17. A first information processing device, comprising:

circuitry configured to:

receive a video stream that excludes audio data from a second information processing device via wireless communication,

wherein the video stream is received based on capability information of the first information processing device,

wherein the capability information comprises setting information that requests the second information processing device to output the video stream that excludes the audio data, and

wherein the capability information is included in a Real Time Streaming Protocol (RTSP) message transmitted from the first information processing device to the second information processing device; and

set a low power consumption mode in the second information processing device based on the request to output the video stream that excludes the audio data.

18. A first information processing device, comprising:

circuitry configured to:

transmit, to a second information processing device, a Real Time Streaming Protocol (RTSP) request to obtain capability information of the second information processing device;

receive a RTSP response that includes the capability information from the second information processing device,

wherein the capability information requests the first information processing device to output a video stream that includes audio data or excludes the audio data, and

wherein a low power consumption mode is set in the first information processing device based on the request to output the video stream that excludes the audio data; and

transmit, to the second information processing device, the video stream that excludes the audio data in response to reception of the capability information that requests the first information processing device to output the video stream that excludes the audio data.

19. An information processing method, comprising:

in a first information processing device:

receiving a video stream from a second information processing device via wireless communication;

receiving, from the second information processing device, a Real Time Streaming Protocol (RTSP) request to obtain capability information of the first information processing device;

transmitting a RTSP response that includes the capability information to the second information processing device;

setting information to the capability information in the RTSP response, wherein the information requests the second information processing device to output the video stream that includes audio data or excludes the audio data;

setting a low power consumption mode in the second information processing device based on the request to output the video stream that excludes the audio data,

wherein the video stream that excludes the audio data is output by the second information processing device in response to reception of the capability information including the information that requests the second information processing device to output the video stream that excludes the audio data; and

receiving, from the second information processing device, the video stream that excludes the audio data.