Multi-out media distribution system and method

• US 9,148,464 B2
• Filed: 08/21/2013
• Issued: 09/29/2015
• Est. Priority Date: 05/05/2010
• Status: Active Grant

• Current Assignee: Intel Corporation
• Original Assignee: Intel Corporation
• Inventors: Narula, Aashima, McMillen, Steve, Karusala, Chytanya
• Primary Examiner(s): Zhang, Shirley
• Application Number:
  US13/972,737
• Publication Number:
  US 20130339541A1
• Time in Patent Office: 769 Days
• Field of Search: 709/231
• US Class Current: 1/1
• CPC Class Codes: H04L 65/613 for the control of the source by the destination control signals issued by the client directed to the server or network components specially adapted for selective content distribution H04N21/637
• CPC Class Codes: H04L 65/70 Media network packetisation
• CPC Class Codes: H04L 65/756 adapting media to device capabilities
• CPC Class Codes: H04L 67/303 Terminal profiles
• CPC Class Codes: H04L 69/24 Negotiation of communication capabilities
• CPC Class Codes: H04N 21/234309 by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4 or from Quicktime to Realvideo conversion of standards in analog television systems H04N7/01
• CPC Class Codes: H04N 21/23439 for generating different versions
• CPC Class Codes: H04N 21/2381 Adapting the multiplex stream to a specific network, e.g. an Internet Protocol [IP] network transmission of MPEG streams over ATM H04L12/5601
• CPC Class Codes: H04N 21/25808 Management of client data terminal profiles in network data switching protocols H04L67/303
• CPC Class Codes: H04N 21/85406 involving a specific file format, e.g. MP4 format

Abstract

A multi-out media delivery system and method are provided herein.

Claims

1. A method of delivering media from a media distribution server, the method comprising:

receiving, by the media distribution server, a plurality of requests to deliver a piece of media content respectively to a plurality of remote clients of a plurality of differing client types, each of said plurality of differing client types supporting a common media encoding format but not supporting a common media container format,

accessing, in the memory of the media distribution server;

a first digital media data corresponding to the piece of media content, said first digital media data being encoded in the common encoding format according to a first set of encoding parameters and packaged in a first media container, and

a second digital media data corresponding to the piece of media content, said second digital media data being encoded in the common encoding format according to a second set of encoding parameters;

based on a client type and a media rendering capability of a current remote client among the plurality of remote clients, the media distribution server selecting;

a second media container, and

the first or second digital media data;

according to the second media container, re-packaging said selected first or second digital media data into a first digital media stream comprising said selected first or second digital media data unchanged in said common media encoding format and said second media container; and

providing, by the media distribution server to said current remote client, said first digital media stream.

2. The method of claim 1, further comprising determining the client type of the current remote client.

3. The method of claim 2, further comprising determining a bit-rate appropriate for the current remote client and selecting the second media container according to the determined appropriate bit-rate.

4. The method of claim 3, wherein a bit-rate appropriate for the current remote client comprises a bit-rate appropriate to the display resolution of the current remote client or a bit-rate appropriate to the data throughput capability of a network utilized by the current remote client to obtain the first digital media stream.

5. The method of claim 3, further comprising obtaining a cached packetized second digital media stream and de-packetizing the second media container from the cached packetized second digital media stream into a de-packetized second media container.

6. The method of claim 3, further comprising obtaining the second media container in a de-packetized form and re-packaging said accessed selected first or second digital media data into the first digital media stream.

7. The method of claim 6, wherein re-packaging said accessed selected first or second digital media data into the first digital media stream comprises combining the first digital media content with the second media container in a de-packetized form, without transcoding the first digital media content, and packetizing the result as the first digital media stream.

8. The method of claim 1, further comprising determining that the current remote client supports a set of supported media containers, which set comprises the second media container but not the first media container.

9. The method of claim 1, wherein said selected first or second digital media data comprises a multiplicity of media packets, and wherein re-packaging said selected first or second digital media data comprises:

de-packetizing said multiplicity of media packets to obtain a portion of said encoded selected first or second digital media data; and

without decoding said portion of said encoded selected first or second digital media data, re-packetizing said portion of said encoded selected first or second digital media data into a second multiplicity of media packets according to said determined second container format.

10. The method of claim 1, further comprising determining a delivery protocol supported by the current remote client and wherein re-packaging said selected first or second digital media data into the first digital media stream further comprises packetizing the selected first or second digital media data and said second media container according to the delivery protocol supported by the current remote client.

11. A computing apparatus for delivering media, the apparatus comprising a processor and a memory storing instructions that, when executed by the processor, configure the apparatus to:

receive, by the computing apparatus, a plurality of requests to deliver a piece of media content respectively to a plurality of remote clients of a plurality of differing client types, each of said plurality of differing client types supporting a common media encoding format but not supporting a common media container format,

access, in the memory of the computing apparatus;

a first digital media data corresponding to the piece of media content, said first digital media data being encoded in the common encoding format according to a first set of encoding parameters and packaged in a first media container, and

a second digital media data corresponding to the piece of media content, said second digital media data being encoded in the common encoding format according to a second set of encoding parameters;

based on a client type and a media rendering capability of a current remote client among the plurality of remote clients, select, by the computing apparatus;

a second media container, and

the first or second digital media data;

according to the second media container, re-package said selected first or second digital media data into a first digital media stream comprising said selected first or second digital media data unchanged in said common media encoding format and said second media container; and

provide, by the computing apparatus to said current remote client, said first digital media stream.

12. A non-transient computer-readable storage medium having stored thereon instructions that, when executed by a processor, configure the processor to:

receive, by the processor, a plurality of requests to deliver a piece of media content respectively to a plurality of remote clients of a plurality of differing client types, each of said plurality of differing client types supporting a common media encoding format but not supporting a common media container format,

access, in a memory accessible by the processor;

a first digital media data corresponding to the piece of media content, said first digital media data being encoded in the common encoding format according to a first set of encoding parameters and packaged in a first media container, and

a second digital media data corresponding to the piece of media content, said second digital media data being encoded in the common encoding format according to a second set of encoding parameters;

based on a client type and a media rendering capability of a current remote client among the plurality of remote clients, select;

a second media container, and

the first or second digital media data;

according to the second media container, re-package said selected first or second digital media data into a first digital media stream comprising said selected first or second digital media data unchanged in said common media encoding format and said second media container; and

provide, by the processor to said current remote client, said first digital media stream.

13. A method of delivering media from a media distribution server, the method comprising:

receiving, by the media distribution server, a plurality of requests to deliver a piece of media content respectively to a plurality of remote clients of a plurality of differing client types, each of said plurality of differing client types supporting a common media encoding format but not supporting a common media container format,

accessing, in the memory of the media distribution server;

a first digital media data corresponding to the piece of media content, said first digital media data being encoded in the common encoding format according to a first set of encoding parameters, and

a second digital media data corresponding to the piece of media content, said second digital media data being encoded in the common encoding format according to a second set of encoding parameters;

selecting, by the media distribution server, a first media container supported by a first remote client among the plurality of remote clients and a second media container supported by a second remote client among the plurality of remote clients;

selecting, by the media distribution server, based on a first client type and a first media rendering capability of the first remote client among the plurality of remote clients, the first digital media data,

selecting, by the media distribution server, based on a second client type and a second media rendering capability of the second remote client among the plurality of remote clients, the second digital media data,

according to the first media container, re-packaging said first digital media data into a first digital media stream comprising said first digital media data unchanged in said common media encoding format and said first media container;

according to the second media container, re-packaging said second digital media data into a second digital media stream comprising said second digital media data unchanged in said common media encoding format and said second media container; and

providing, by the media distribution server respectively to said first and second remote clients, said first and second digital media streams.

14. The method of claim 13, further comprising determining the client type of the first and second remote clients.

15. The method of claim 13, further comprising determining that the digital media data has been encoded in multiple bit-rates, determining a bit-rate appropriate for at least one of the first and second remote clients, and selecting the at least one of the first and second media containers according to the determined appropriate bit-rate.

16. The method of claim 15, wherein an appropriate bit-rate comprises a bit-rate appropriate to the display resolution of at least one of the first and second remote clients or a bit-rate appropriate to the data throughput capability of a network utilized by at least one of the first and second remote clients to obtain the first or second digital media stream.

17. The method of claim 13, further comprising obtaining a cached packetized third digital media stream and de-packetizing the second media container from the cached packetized third digital media stream into a de-packetized second media container.

18. The method of claim 13, further comprising obtaining the first media container in a de-packetized form and re-packaging said first digital media data into the first digital media stream.

19. The method of claim 18, wherein re-packaging said first digital media data into a first digital media stream comprises combining the first digital media data with the first media container in a de-packetized form, without transcoding the first digital media content, and packetizing the result as the first digital media stream.

20. The method of claim 13, wherein said first digital media data comprises a multiplicity of media packets, and wherein re-packaging said first digital media data comprises:

de-packetizing said multiplicity of media packets to obtain a portion of said encoded first digital media data; and

without decoding said portion of said encoded first digital media data, re-packetizing said portion of said encoded first digital media data into a second and third multiplicity of media packets according to said first and second container formats.

21. The method of claim 13, further comprising determining a first and a second delivery protocol supported by the first and second remote clients and wherein re-packaging said accessed first digital media data into the first and the second digital media streams further comprises packetizing the first digital media data and said first and second media containers, respectively, according to the first and the second delivery protocols supported by the first and second remote clients.

22. A computing apparatus for delivering media, the apparatus comprising a processor and a memory storing instructions that, when executed by the processor, configure the apparatus to:

receive, by the computing apparatus, a plurality of requests to deliver a piece of media content respectively to a plurality of remote clients of a plurality of differing client types, each of said plurality of differing client types supporting a common media encoding format but not supporting a common media container format,

access, in the memory of the computing apparatus;

a first digital media data corresponding to the piece of media content, said first digital media data being encoded in the common encoding format according to a first set of encoding parameters, and

a second digital media data corresponding to the piece of media content, said second digital media data being encoded in the common encoding format according to a second set of encoding parameters;

select, by the computing apparatus, a first media container supported by a first remote client among the plurality of remote clients and a second media container supported by a second remote client among the plurality of remote clients;

select, by the computing apparatus, based on a first client type and a first media rendering capability of the first remote client among the plurality of remote clients, the first digital media data,

select, by the computing apparatus, based on a second client type and a second media rendering capability of the second remote client among the plurality of remote clients, the second digital media data,

according to the first media container, re-package said first digital media data into a first digital media stream comprising said first digital media data unchanged in said common media encoding format and said first media container;

according to the second media container, re-package said second digital media data into a second digital media stream comprising said second digital media data unchanged in said common media encoding format and said second media container; and

provide, by the computing apparatus respectively to said first and second remote clients, said first and second digital media streams.

23. A non-transient computer-readable storage medium having stored thereon instructions that, when executed by a processor, configure the processor to:

receive, by the processor, a plurality of requests to deliver a piece of media content respectively to a plurality of remote clients of a plurality of differing client types, each of said plurality of differing client types supporting a common media encoding format but not supporting a common media container format,

access, in a memory accessible by the processor, a first digital media data corresponding to the piece of media content, said first digital media data being encoded in the common encoding format;

selecting, by the processor, a first media container supported by a first remote client among the plurality of remote clients and a second media container supported by a second remote client among the plurality of remote clients;

according to the first media container, re-package said accessed first digital media data into a first digital media stream comprising said first digital media data unchanged in said common media encoding format and said first media container;

according to the second media container, re-package said accessed first digital media data into a second digital media stream comprising said first digital media data unchanged in said common media encoding format and said second media container; and

provide, by the processor respectively to said first and second remote clients, said first and second digital media streams.

24. A method of decoding media received from a media distribution server by a client device, the method comprising:

by the client device, transmitting a request for a piece of media content and an identifier of a device type of the client device to the media distribution server,

receiving a first digital media stream from the media distribution server, and

decoding the first digital media stream into a first digital media data;

wherein

the media distribution server created the first digital media stream by;

accessing, in the memory of the media distribution server;

a first digital media data corresponding to the piece of media content, said first digital media data being encoded in the common encoding format according to a first set of encoding parameters and packaged in a first media container, and

a second digital media data corresponding to the piece of media content, said second digital media data being encoded in the common encoding format according to a second set of encoding parameters;

based on a client type and a media rendering capability of the client device, the media distribution server selecting;

a second media container, and

the first or second digital media data;

re-packaging the first digital media data into the first digital media stream comprising said first digital media data unchanged in said common media encoding format and said second media container.