Methods, systems, and media for streaming media content items containing advertising content

Abstract

Methods, systems, and media for streaming a media content item containing advertising content are provided. In some embodiments, the method comprises: identifying, in a manifest file at a server used to stream media content items, an indication that an advertising content item is to be played back at a first playback position for a first duration when streaming a media content item; determining a retrieval time to retrieve the advertising content item from an advertising source for an advertisement break; inserting, into the manifest file at the server used to stream media content items, a retrieval indication that the advertising content item is to be retrieved from the advertising source at a second playback time; retrieving the advertising content item from the advertising source when streaming of the media content item has reached the second playback position; determining a remaining amount of time corresponding to an unfilled portion of the advertisement break based on a duration of the advertising content item; based on the remaining amount of time corresponding to the unfilled portion of the advertising break, retrieving at least one additional advertisement content item for insertion in the unfilled portion of the advertising break, where the at least one additional advertisement content item is selected from a plurality of processed advertising content items received from a plurality of network sources, where each of the plurality of network sources has uploaded and assigned at least a first advertising content item having a first duration and at least a second advertising content item having a second duration, and where the first duration associated with the first advertising content item is determined to be within a first range and the second duration associated with the second advertising content item is determined to be within a second range; and collapsing the remaining portion of the advertising break to the end of the at least one additional advertising content item that was retrieved.