公开(公告)号：US11985367B2

公开(公告)日：2024-05-14

申请号：US17340531

申请日：2021-06-07

Applicant: Google LLC

Inventor： Thomas Inskip

IPC: H04N21/254 ,  H04N21/2347 ,  H04N21/4408 ,  H04N21/81

CPC classification number: H04N21/2347 ,  H04N21/2541 ,  H04N21/4408 ,  H04N21/812

Abstract: In some embodiments, a method for controlling access to media is provided, the method comprising: receiving an encrypted media content stream from a media content source that includes first media content corresponding to at least a portion of a media content item; requesting a second media content stream that includes second media content having a playback position adjacent to the first media content, wherein the second media content stream includes key information for decrypting the encrypted media content stream; decrypting the encrypted media content stream using the key information included in the second media content stream; and causing the decrypted media content stream to be presented.

公开(公告)号：US10432991B2

公开(公告)日：2019-10-01

申请号：US15788770

申请日：2017-10-19

Applicant: GOOGLE LLC

Inventor： Haoming Chen ,  Thomas Inskip ,  Kongqun Yang

IPC: H04N21/2389 ,  H04N19/467 ,  G06F16/48 ,  H04N21/8358 ,  H04N21/222 ,  H04N21/235 ,  H04N21/845 ,  H04N21/854 ,  G06F21/16 ,  H04L9/16 ,  H04L9/08 ,  H04N21/234 ,  G06F21/10 ,  H04L9/32

Abstract: A method includes generating a first media file that includes a plurality of first media file segments, generating a second media file as a copy of the first media file, the second media file includes a plurality of second media file segments, embedding a first watermark with the plurality of first media file segments, embedding at least one second watermark with the plurality of second media file segments, generating a manifest file based on a portion of the plurality of first media file segments and a portion of the plurality of second media file segments, the manifest file including a plurality of addresses each referencing a media file segment, and encrypting each of plurality of addresses.

公开(公告)号：US20190124377A1

公开(公告)日：2019-04-25

申请号：US15788770

申请日：2017-10-19

Applicant: GOOGLE LLC

Inventor： Haoming Chen ,  Thomas Inskip ,  Kongqun Yang

IPC: H04N21/2389 ,  H04N21/8358 ,  G06F17/30 ,  H04N19/467

CPC classification number: H04N21/23892 ,  G06F16/48 ,  G06F21/10 ,  G06F21/16 ,  H04L9/08 ,  H04L9/16 ,  H04L9/3247 ,  H04N19/467 ,  H04N21/222 ,  H04N21/23424 ,  H04N21/2351 ,  H04N21/23895 ,  H04N21/8358 ,  H04N21/8456 ,  H04N21/85406

Abstract: A method includes generating a first media file that includes a plurality of first media file segments, generating a second media file as a copy of the first media file, the second media file includes a plurality of second media file segments, embedding a first watermark with the plurality of first media file segments, embedding at least one second watermark with the plurality of second media file segments, generating a manifest file based on a portion of the plurality of first media file segments and a portion of the plurality of second media file segments, the manifest file including a plurality of addresses each referencing a media file segment, and encrypting each of plurality of addresses.

公开(公告)号：US20210297244A1

公开(公告)日：2021-09-23

申请号：US17340531

申请日：2021-06-07

Applicant: Google LLC

Inventor： Thomas Inskip

IPC: H04L9/08 ,  H04L29/06 ,  H04L9/14

Abstract: In some embodiments, a method for controlling access to media is provided, the method comprising: receiving an encrypted media content stream from a media content source that includes first media content corresponding to at least a portion of a media content item; requesting a second media content stream that includes second media content having a playback position adjacent to the first media content, wherein the second media content stream includes key information for decrypting the encrypted media content stream; decrypting the encrypted media content stream using the key information included in the second media content stream; and causing the decrypted media content stream to be presented.

公开(公告)号：US11032589B1

公开(公告)日：2021-06-08

申请号：US15473291

申请日：2017-03-29

Applicant: Google LLC

Inventor： Thomas Inskip

IPC: H04N21/2347 ,  H04N21/4405 ,  H04N21/4408 ,  H04N21/254 ,  H04N21/81

Abstract: In some embodiments, a method for controlling access to media is provided, the method comprising: receiving an encrypted media content stream from a media content source that includes first media content corresponding to at least a portion of a media content item; requesting a second media content stream that includes second media content having a playback position adjacent to the first media content, wherein the second media content stream includes key information for decrypting the encrypted media content stream; decrypting the encrypted media content stream using the key information included in the second media content stream; and causing the decrypted media content stream to be presented.