Filter module for a video decoding system

• US 8,619,191 B2
• Filed: 12/14/2011
• Issued: 12/31/2013
• Est. Priority Date: 10/22/2002
• Status: Expired due to Term

• Current Assignee: Avago Technologies International Sales Pte Limited (Broadcom, Inc.)
• Original Assignee: Broadcom Corporation (Broadcom, Inc.)
• Inventors: Law, Patrick, Neuman, Darren, Baer, David
• Primary Examiner(s): KOSTAK, VICTOR R
• Application Number:
  US13/325,158
• Publication Number:
  US 20120081602A1
• Time in Patent Office: 748 Days
• Field of Search: 348554-558, 348/445, 348/706, 348/705, 348/458, 348/571, 348/625, 345 32- 34, 345/581, 345/59, 345/660, 345/505, 382/234, 382/260, 382/304
• US Class Current: 348/458
• CPC Class Codes: H04N 21/25808 Management of client data terminal profiles in network data switching protocols H04L67/303
• CPC Class Codes: H04N 21/2662 Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
• CPC Class Codes: H04N 21/426 Internal components of the client ; Characteristics thereof H04N5/44 takes precedence
• CPC Class Codes: H04N 5/14 Picture signal circuitry for video frequency region cameras or camera modules comprising electronic image sensors, or control thereof H04N23/00
• CPC Class Codes: H04N 7/012 Conversion between an interlaced and a progressive signal for graphics images G09G2310/0229
• CPC Class Codes: H04N 9/641 Multi-purpose receivers, e.g. for auxiliary information H04N9/642 takes precedence

Abstract

Systems and methods are disclosed for filter modules in a video display system or network. One embodiment relates to a method for operating a filter module in a video display network comprising determining a picture type, display type and operation of the display network. The method further comprises determining, in real time, a filter configuration from a plurality of possible filter configurations based on the determined picture type, display type and operation.

Claims

1. A method of operating a filter module in a video display system, said method comprising:

determining a picture type of a plurality of video streams;

determining an encoding type of at least one video encoder device; and

determining in real time, a plurality of concurrent filter configurations, wherein each of a corresponding one of the plurality of concurrent filter configurations is for a particular one of the plurality of video streams, wherein each of the plurality of concurrent filter configurations is based at least in part on the picture type of the particular one of the plurality of video streams and the encoding type of the at least one video encoder device; and

concurrently outputting each of the plurality of video streams filtered by the plurality of concurrent filter configurations.

2. The method of claim 1, wherein determining the picture type of the plurality of video streams further comprises determining if the picture type is frame based video, field based video, or graphics.

3. The method of claim 1, further comprising:

determining whether an interpolation or a decimation operation is to be performed on each of the plurality of video streams,

wherein determining in real time, the plurality of concurrent filter configurations is based at least in part on whether the interpolation or the decimation operation is to be performed on the particular one of the plurality of video streams.

4. The method of claim 1, wherein each of the plurality of concurrent filter configurations is determined in accordance with at least one register write instruction.

5. The method of claim 1, wherein the at least one video encoder device further comprises a plurality of concurrent video encoder devices, wherein each of the plurality of video encoder devices correspond to a particular one of the video streams, and wherein the plurality of concurrent filter configurations are also determined based at least in part on a display type of one of the plurality of concurrent video encoder devices that corresponds to the particular one of the video streams.

6. The method of claim 1, wherein said plurality of concurrent filter configurations corresponds to a plurality of finite impulse response filters.

7. A non-transitory computer readable medium, said non-transitory computer readable medium storing a plurality of instructions, wherein the plurality of instructions comprises:

determining a picture type of a plurality of video streams;

determining an encoding type of at least one video encoder device; and

determining, in real time, a plurality of concurrent filter configurations, wherein each of a corresponding one of the plurality of concurrent filter configurations is for a particular one of the plurality of video streams, wherein each of the plurality of concurrent filter configurations is based at least in part on the picture type of the particular one of the plurality of video streams and the encoding type of the at least one video encoder device; and

concurrently outputting each of the plurality of video streams filtered by the plurality of concurrent filter configurations to at least one display.

8. The non-transitory computer readable medium of claim 7, wherein determining the picture type of the plurality of video streams further comprises determining if the picture type is frame based video, field based video, or graphics.

9. The non-transitory computer readable medium of claim 7, wherein said plurality of instructions further comprises:

determining whether an interpolation or a decimation operation are to be performed on each of the plurality of video streams,

wherein determining, in real time, the plurality of concurrent filter configurations is based at least in part on whether the interpolation or the decimation operation is to be performed on the particular one of the plurality of video streams.

10. The non-transitory computer readable medium of claim 7, wherein each of the plurality of concurrent filter configurations is determined in accordance with at least one register write instruction.

11. The non-transitory computer readable medium of claim 7, wherein the at least one display further comprises a plurality of concurrent video encoder devices, wherein each of the plurality of concurrent video encoder devices corresponds to a particular one of the video streams, and wherein the plurality of concurrent filter configurations is also determined based at least in part on the encoding type of one of the plurality of concurrent video encoder devices that corresponds to the particular video stream.

12. The non-transitory computer readable medium of claim 7, wherein said non-transitory computer readable medium is integrated onto an integrated circuit.

13. The non-transitory computer readable medium of claim 7, wherein said plurality of concurrent filter configurations corresponds to a plurality of finite impulse response filters.

14. A system for operating a filter module in a video display system, said system comprising:

a first circuit for determining a picture type of a plurality of video streams;

a second circuit for determining an encoding type of at least one video encoder device; and

a third circuit for determining in real time, a plurality of concurrent filter configurations, wherein each of a corresponding one of the plurality of concurrent filter configurations is for a particular one of the plurality of video streams, wherein each of the plurality of concurrent filter configurations is based at least in part on the picture type of the particular one of the plurality of video streams and the encoding type of the at least one video encoder device; and

a fourth circuit for concurrently outputting each of the plurality of video streams filtered by the plurality of concurrent filter configurations.

15. The system of claim 14, wherein determining the picture type of the plurality of video streams further comprises determining if the picture type is frame based video, field based video, or graphics.

16. The system of claim 14, further comprising:

a fifth circuit for determining whether an interpolation or a decimation operation are to be performed on each of the plurality of video streams,

wherein determining, in real time, the plurality of concurrent filter configurations is based at least in part on whether the interpolation or the decimation operation is to be performed on the particular one of the plurality of video streams.

17. The system of claim 14, wherein each of the plurality of concurrent filter configurations is determined in accordance with at least one register write instruction.

18. The system of claim 14, wherein the at least one video encoder device further comprises a plurality of concurrent video encoder devices, wherein each of the plurality of concurrent video encoder devices are correspond to a particular one of the video streams, and wherein the plurality of concurrent filter configurations are determined based at least in part on a display type of one of the plurality of concurrent video encoder devices that corresponds to the particular video stream.

19. The system of claim 14, wherein said system is integrated onto an integrated circuit.

20. The system of claim 14, wherein said plurality of concurrent filter configurations corresponds to a plurality of finite impulse response filters.