Abstract:
품질 측정 보고들을 생성하기 위한 예시적인 디바이스는 디지털 회로를 사용하여 구현되는 하나 또는 그 초과의 하드웨어-기반 프로세서들을 포함하고, 프로세서들은 미들웨어 유닛 및 미디어 데이터에 대한 타겟 애플리케이션을 실행하도록 구성된다. 미들웨어 유닛은 브로드캐스트 또는 멀티캐스트를 통해서 미디어 데이터를 서버 디바이스로부터 수신하고, 수신된 보고 지시들에 따라, 미디어 데이터의 수신을 커버하는 수신 보고들을 생성하고, 클라이언트 디바이스의 타겟 애플리케이션에 미디어 데이터의 적어도 일부를 전달하고, 타겟 애플리케이션으로부터 QoE(quality of experience) 보고들을 수신하며, 그리고 QoE 보고들의 콘텐츠를 수신 보고 서버에 제공하도록 구성된다.
Abstract:
Techniques are provided for receiving one or more representations of content wirelessly. The method may involve receiving a media presentation description (MPD) that includes parameters for reception of data segments for multiple representations of content via broadcast transmission and unicast transmission (2312). The method may involve determining whether the broadcast transmission or the unicast transmission is appropriate for reception of the data segments (2314), and selecting a given representation from among the multiple representations of the content based on a criteria of the mobile entity (2316). The method may involve receiving the data segments for the given representation based at least in part on the parameters for the determined one of the broadcast transmission and the unicast transmission (2318).
Abstract:
Data objects are delivered over a packet switched network and receivers receive encoded symbols, such as repair symbols, broadcast or multicast, with sufficient information to form requests for additional symbols as needed based on what source symbols or sub-symbols are needed or missing. The requests can be made in a unicast or request fashion. Requesting and broadcasting might be done by different entities. A broadcast server can generate and store repair symbols while a source server can store content in source form. A request can be a unicast HTTP byte-range request, such as a URL, starting position and length. Requests might be aligned with starting positions of files. A receiver can calculate starting and ending byte positions of symbols or sub-symbols in a file and get indications that conventional HTTP servers are usable for file repair. Repair servers can request broadcast of repair data when byte-range requests from multiple receivers overlap.
Abstract:
An example device for generating quality measurement reports includes one or more hardware-based processors implemented using digital circuitry, the processors being configured to execute a middleware unit and a target application for media data. The middleware unit is configured to receive media data via broadcast or multicast from a server device, generate reception reports covering the reception of the media data according to received reporting directives, deliver at least part of the media data to a target application of the client device, receive quality of experience (QoE) reports from the target application, and provide contents of the QoE reports to a reception reporting server.
Abstract:
RESUMEN Un dispositivo para recuperar medios incluye una memoria configurada para almacenar datos de medios de una presentación de medios; y uno o más procesadores implementados en circuitos y configurados para: recuperar un archivo de manifiesto para una presentación de medios que indica que el análisis del contenedor de datos de medios de un flujo de bits se puede iniciar en un punto de resincronización de un segmento de una representación de la presentación de medios, el punto de resincronización está en una posición distinta al inicio del segmento y representa un punto en donde puede iniciarse el análisis del contenedor de los datos de medios del flujo de bits; usar el archivo de manifiesto para formar una solicitud para recuperar los datos multimedia de la representación a partir del punto de resincronización; enviar la solicitud para iniciar la recuperación de los datos multimedia de la presentación multimedia comenzando en el punto de resincronización; y presentar los datos multimedia recuperados.
Abstract:
Un procedimiento de recuperación de datos de medios, comprendiendo el procedimiento: recibir (306) un archivo de manifiesto que incluye un atributo que indica un número de trozos de segmento disponibles para un segmento de una representación de datos de medios, en el que el atributo se incluye en un elemento S de un elemento SegmentTimeline de una descripción de presentación de medios, MPD, y en el que el segmento comprende un archivo de medios recuperable de forma independiente que tiene un localizador uniforme de recursos (URL) único; determinar (310) un identificador para uno de los trozos usando los datos que indican el número de trozos disponibles para el segmento; y enviar (312) una solicitud que especifica el identificador para el uno de los trozos a un dispositivo servidor.