Systems and Methods for Performing Adaptive Streaming using Manifest Pre-Fetching
Techniques for serving a manifest file of an adaptive streaming video include receiving a request for the manifest file from a user device. The video is encoded at different reference bitrates and each encoded reference bitrate is divided into segments to generate video segment files. The manifest file includes an ordered list of universal resource locators (URLs) that reference a set of video segment files encoded at a particular reference bitrate. A source manifest file that indicates the set of video segment files is identified based on the request. An issued manifest file that includes a first URL and a second URL is generated based on the source manifest file. The first URL references a first domain and the second URL references a second domain that is different from the first domain. The issued manifest file is transmitted to the user device as a response to the request.
1 . A method for configuring and providing manifest files for adaptive streaming video, comprising:
receiving, by a first infrastructure service provider, one or more first content requests, each said first request identifying one or more requested content files corresponding to an aspect of an adaptive streaming video;
transmitting, by the first infrastructure service provider, the requested content files to one or more recipient devices, wherein at least a portion of the adaptive streaming video is not transmitted by the first infrastructure service provider, but is provided by one or more infrastructure services each of which is operated as a separate service from the first infrastructure service provider;
collecting, by the first infrastructure service provider, data from the one or more separate infrastructure services providing at least a portion of the adaptive streaming video and corresponding to the transmission of the requested content files from the one or more separate infrastructure services to the one or more recipient devices;
receiving, by the first infrastructure service provider, a second request for a manifest file for the adaptive streaming video, wherein said second request is received after the collection of the data;
selecting, by the first infrastructure service provider, a second infrastructure service provider operated as a separate service from the first infrastructure service provider, to provide at least a portion of the adaptive streaming video, based on the collected data;
configuring, by the first infrastructure service provider, a manifest file including one or more Uniform Resource Locators (URLs) referencing content files corresponding to an aspect of the adaptive streaming video, the URLs referencing the selected second infrastructure service provider; and
transmitting, by the first infrastructure service provider, the configured manifest file in response to the request for the manifest file.