Patent ID: 8812839

Claim:
A computer-implemented method, comprising: receiving a first version of encrypted content comprising one or more encrypted content samples that each include media content and non-content information; receiving a hint track, containing non-content information for converting the encrypted content into different formats, comprising: packet header information for a stream of media packets from which the media content was sourced, and offset information identifying one or more locations of encrypted media content within said encrypted content samples; and generating a second version of the encrypted content such that the second version is formatted differently than the first version, said generating comprising: based on the information of the hint track, identifying the one or more locations of media content within the one or more encrypted content samples; and generating one or more media packets within the second version of the encrypted content, each of those media packets comprising at least some of the header information from the hint track and at least some of the identified media content from the one or more encrypted content samples.