| 主权项 |
1. A method, comprising:
receiving a request at a media content event availability tracker from a first media device, wherein the request communicated to the media content event availability tracker comprises information that identifies a first video frame of a remaining portion of a media content event that has been stored at the first media device,
wherein the request was communicated from the first media device to the media content event availability tracker in response to a user request for presentation of a media content event made via a presented electronic program guide (EPG) presented on a media presentation device that is communicatively coupled to the first media device,wherein the EPG indicates that the media content event is being currently broadcast over a broadcast system to the first media device and to a plurality of other media devices,wherein the plurality of other media devices are each configured to present the broadcasting media content event to a respective media presentation device that is communicatively coupled to that media device,wherein the request was communicated from the first media device to the media content event availability tracker only if the first media device determines that an initial portion of the media content event has not been saved at the first media device, andwherein the request identifies the media content event that has previously been communicated over the broadcast system; determining, at the media content event availability tracker, a duration of the initial portion of the specified media content event based on the first video frame of the remaining portion of the media content event that has been stored at the first media device; identifying, at the media content event availability tracker, at least one second media device from the plurality of other media devices,
wherein the media content event availability tracker identifies the at least one second media device while a broadcast of a remaining portion of the media content event to the media device and the plurality of other media devices is occurring,wherein the at least one second media device has stored the initial portion of the media content event during broadcast of the initial portion over the broadcast system; and communicating a response to the first media device, wherein the response identifies the at least one second media device and includes information that enables the first media device to establish a communication link between the first media device and the at least one second media device, wherein the first media device retrieves the initial portion of the media content event from the at least one second media device via the communication link based on the determined duration of the initial portion of the specified media content event that was determined based on the first video frame of the remaining portion of the media content event that has been stored at the first media device. |
