Proximity-based video playback synchronization

• US 8,837,898 B2
• Filed: 09/24/2012
• Issued: 09/16/2014
• Est. Priority Date: 09/24/2012
• Status: Active Grant

• Current Assignee: Advanced Micro Devices, Inc.
• Original Assignee: Advanced Micro Devices, Inc.
• Inventors: Davidson, Ryan S., Watson, Calvin H.
• Primary Examiner(s): Zhao, Daquan
• Application Number:
  US13/625,364
• Publication Number:
  US 20140086549A1
• Time in Patent Office: 722 Days
• Field of Search: 386/201, 386/202, 386/207, 386/230, 386/235, 455/7, 455/11.1, 455/13.1, 455/13.2, 455/18
• US Class Current: 386/201
• CPC Class Codes: H04H 20/08 among terminal devices
• CPC Class Codes: H04H 60/52 of users
• CPC Class Codes: H04N 21/2387 Stream processing in response to a playback request from an end-user, e.g. for trick-play
• CPC Class Codes: H04N 21/2402 Monitoring of the downstream path of the transmission network, e.g. bandwidth available traffic monitoring in data switching networks H04L43/00; monitoring data switching networks utilization H04L43/0876
• CPC Class Codes: H04N 21/242 Synchronization processes, e.g. processing of PCR [Program Clock References] arrangements for synchronising broadcast or distribution via plural systems in broadcast distribution systems H04H20/18
• CPC Class Codes: H04N 21/41407 embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop constructional details of equipment or arrangements specially adapted for portable computer application G06F1/1626; arrangements specially adapted for mobile receivers in broadcast systems H04H20/57
• CPC Class Codes: H04N 21/44209 Monitoring of downstream path of the transmission network originating from a server, e.g. bandwidth variations of a wireless network arrangements for maintenance or administration in data switching networks involving bandwidth and capacity management H04L41/0896
• CPC Class Codes: H04N 21/44218 Detecting physical presence or behaviour of the user, e.g. using sensors to detect if the user is leaving the room or changes his face expression during a TV program methods or arrangements for recognising human body or animal bodies or body parts G06V40/10; methods or arrangements for acquiring or recognising human faces, facial parts, facial sketches, facial expressions G06V40/16; methods or arrangements for recognising movements or behaviour G06V40/20; arrangements for identifying users in broadcast systems H04H60/45
• CPC Class Codes: H04N 21/47214 for content reservation or setting reminders; for requesting event notification, e.g. of sport results or stock market stock exchange data over packet-switching network H04L12/1804; push services over packet-switching network H04L12/1859; notification of incoming messages in packet switching networks H04L51/224
• CPC Class Codes: H04N 5/76 Television signal recording
• CPC Class Codes: H04N 5/765 Interface circuits between an apparatus for recording and another apparatus

Abstract

A method and apparatus for video playback includes coordinating a display of a video playback on a first device so as to be synchronized to a display of the video at a second device in response to the first device departing a control territory associated with the second device.

Claims

1. A method comprising:

coordinating a display for video playback on a first device so as to be synchronized to a display of video at a second device in response to the first device departing a control territory associated with the second device; and

terminating the display of the video playback at the first device responsive to the first device reentering the control territory.

2. The method of claim 1 wherein the video playback is displayed on the at least one of the first device and the second device.

3. The method of claim 1 wherein coordinating the display of the video playback on the first device further is responsive to the first device remaining in the control territory for at least a predetermined period of time before departing the control territory.

4. The method of claim 1 wherein coordinating the display of the video playback on the first device comprises at least one of:

wirelessly transmitting a video stream from the second device;

wirelessly transmitting a multicast address for the video from the second device; and

wirelessly transmitting a location of a file representing the video and a current playback position indicator from the second device.

5. The method of claim 1 wherein coordinating the display of the video playback on the first device comprises at least one of:

wirelessly receiving a video stream at the first device;

wirelessly receiving a multicast address for the video at the first device; and

wirelessly receiving a location of a file representing the video and a current playback position indicator at the first device.

6. The method of claim 1, further comprising registering the first device responsive to the first device remaining in the control territory for at least a predetermined period of time.

7. The method of claim 1 wherein the first device coordinates the display of the video playback.

8. The method of claim 7 wherein the first device identifies that it has entered the control territory and receives information relating to the video displayed on the second device.

9. The method of claim 8 wherein the first device determines it has entered the control territory in accordance with any one of the following:

determining from GPS coordinates the first device is within the control territory, and receiving a beacon signal from the second device indicating a control territory boundary.

10. The method of claim 7 wherein the first device detects it has departed the control territory.

11. The method of claim 1 wherein the second device coordinates the display of the video playback.

12. The method of claim 11 wherein the second device registers the first device in response to the second device detecting the first device entering the control territory of the second device.

13. The method of claim 12 wherein the second device detecting the first device entering the control territory includes at least one of the following:

receiving a beacon signal from the first device;

receiving global positioning system (GPS) coordinates from the first device;

determining a signal strength of a signal from the first device exceeds a threshold; and

radiofrequency triangulation.

14. The method of claim 11 wherein the second device transmits the video to the first device in response to the second device detecting that the first device has departed the control territory.

15. The method of claim 11 wherein the second device provides an indicator of a location of the video to the first device responsive to determining that the first device is has departed in the control territory.

16. The method of claim 15, wherein the indicator includes at least one of:

a multicast address of a broadcast of the video; and

a location of a file storing the video.

17. The method of claim 15 wherein the second device provides an indicator of a playback location of the video to the first device.

18. A first apparatus, comprising:

a wireless receiver; and

a processing system in communication with the wireless receiver, the processing system to detect via the wireless receiver whether the first apparatus has entered a control territory of a second apparatus, and to coordinate a synchronized display of a video playback on the first apparatus to a display of the video at the second apparatus in response to the first apparatus departing a control territory associated with the second apparatus, and wherein the processing system is to terminate the video playback in response to a determination that the first apparatus has reentered the control territory of the second apparatus.

19. The first apparatus of claim 18 wherein the processing system is further to receive at least one of the following:

a transmission of the video from the second apparatus;

an indication of a location of the video and indicator of a current playback position of the video; and

a multicast address where the video is to be accessed.

20. The first apparatus of claim 18 wherein the processing system is further to register the first apparatus with the second apparatus in response to the first apparatus remaining in the control territory for a predetermined period of time.

21. The first apparatus of claim 18 wherein the processing system is further to control playback of the video and display of the video on the first apparatus.

22. A first apparatus, comprising:

a wireless receiver; and

a processing system in communication with the wireless receiver, the processing system to detect via the wireless receiver whether a second apparatus has entered a control territory of the first apparatus, and to coordinate a synchronized display of a video playback on the second apparatus to a display of the video at the first apparatus in response to the second apparatus departing the control territory associated with the first apparatus, and wherein the processor based system is further to terminate video playback to the second apparatus in response to detecting the second apparatus reentering the control territory.

23. The first apparatus of claim 22 wherein the processing system is further to provide the second apparatus at least one of the following in response to the second apparatus departing the control territory:

a transmission of a video stream;

an indication of a location of the video and indicator of a current playback position of the video; and

a multicast address where the video is to be accessed.

24. The first apparatus of claim 22 wherein the processor based system is further to register the second apparatus in response to the second apparatus remaining in the control territory for a predetermined period of time.

25. A non-transitory computer-readable storage medium containing a first set of instructions, which when executed by a processor, manipulate the processor to:

coordinate a display of a video playback on a first device synchronized to a display of the video at a second device in response to the first device departing a control territory associated with the second device; and

terminate the video playback in response to detecting the first device reentering the control territory.

26. The non-transitory computer-readable storage medium of claim 25, further comprising the processor registering the first device in response to the first device remaining in the control territory a predetermined period of time.

27. A method, implemented in a first apparatus, comprising:

detecting whether the first apparatus has entered a control territory of a second apparatus;

coordinating a synchronized display of a video playback on the first apparatus to a display of the video at the second apparatus in response to the first apparatus departing a control territory associated with the second apparatus; and

terminating the video playback in response to a determination that the first apparatus has reentered the control territory of the second apparatus.

28. The method of claim 27, further comprising receiving at least one of the following:

a transmission of the video from the second apparatus;

an indication of a location of the video and indicator of a current playback position of the video; and

a multicast address where the video is to be accessed.

29. The method of claim 27, further comprising registering the first apparatus with the second apparatus in response to the first apparatus remaining in the control territory for a predetermined period of time.

30. The method of claim 27, further comprising controlling playback of the video and display of the video on the first apparatus.

31. A method, implemented in a first apparatus, comprising:

detecting whether a second apparatus has entered a control territory of the first apparatus;

coordinating a synchronized display of a video playback on the second apparatus to a display of the video at the first apparatus in response to the second apparatus departing the control territory associated with the first apparatus; and

terminating the video playback to the second apparatus in response to detecting the second apparatus reentering the control territory.

32. The first apparatus of claim 31, further comprising providing the second apparatus at least one of the following in response to the second apparatus departing the control territory:

a transmission of a video stream;

an indication of a location of the video and indicator of a current playback position of the video; and

a multicast address where the video is to be accessed.

33. The first apparatus of claim 31, further comprising registering the second apparatus in response to the second apparatus remaining in the control territory for a predetermined period of time.