System and method for analyzing multiple display data rates in a video system

• US 8,275,031 B2
• Filed: 12/15/2005
• Issued: 09/25/2012
• Est. Priority Date: 12/15/2005
• Status: Active Grant

• Current Assignee: Avago Technologies International Sales Pte Limited (Broadcom, Inc.)
• Original Assignee: Broadcom Corporation (Broadcom, Inc.)
• Inventors: Neuman, Darren
• Primary Examiner(s): SARPONG, AKWASI
• Application Number:
  US11/304,281
• Publication Number:
  US 20070139425A1
• Time in Patent Office: 2,476 Days
• Field of Search: 375/240, 345/1.1, 345/208, 345/23, 345/27, 345/419, 345/660, 345/33, 348/558, 348/220.1, 348/445, 715/718
• US Class Current: 375/240
• CPC Class Codes: G09G 2340/0407 Resolution change, inclusive of the use of different resolutions for different screen areas
• CPC Class Codes: G09G 2340/0442 Handling or displaying different aspect ratios, or changing the aspect ratio
• CPC Class Codes: G09G 2340/125 wherein one of the images is motion video
• CPC Class Codes: G09G 2360/02 Graphics controller able to handle multiple formats, e.g. input or output formats
• CPC Class Codes: G09G 5/02 characterised by the way in which colour is displayed details of colour display specific for CRTs G09G1/28; specific for flat matrix panels other than liquid crystal displays G09G3/2003; specific for liquid crystal displays G09G3/3607
• CPC Class Codes: H04N 21/4122 additional display device, e.g. video projector digital output for controlling a plurality of local displays G06F3/1423
• CPC Class Codes: H04N 21/4316 for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
• CPC Class Codes: H04N 21/4402 involving reformatting operations of video signals for household redistribution, storage or real-time display details of conversion of video standards at pixel level H04N7/01; video transcoding H04N19/40; adapting incoming signals to the display format of the display terminal G09G5/005; media handling at the source in data packet switching networks H04L65/764
• CPC Class Codes: H04N 21/4621 Controlling the complexity of the content stream or additional data, e.g. lowering the resolution or bit-rate of the video stream for a mobile client with a small screen arrangements for using the results of monitoring on user's side in broadcast systems H04H60/65; flow control in packet networks H04L47/10
• CPC Class Codes: H04N 5/45 Picture in picture , e.g. displaying simultaneously another television channel in a region of the screen
• CPC Class Codes: H04N 7/0122 the input and the output signals having different aspect ratios
• CPC Class Codes: H04N 7/0125 one of the standards being a high definition standard

Abstract

Certain aspects of a system and method for handling video data may comprise determining data rates associated with each of a plurality of destination devices utilized for processing video data in a video processing system that supports multiple display data rates. A data rate associated with a first portion of the plurality of destination devices may be adjusted to match at least one data rate associated with one or more of a remaining portion of the plurality of destination devices in instances where the determined data rate of the first portion of the plurality of destination devices is greater than one or more data rate associated with one or more of the remaining portion of the plurality of destination devices.

Claims

1. A method for handling video data, the method comprising:

determining data rates associated with each of a plurality of destination devices utilized for processing the video data in a video processing system that supports multiple display data rates, wherein a first destination device of said plurality of destination devices is associated with a first data rate and a second destination device of said plurality of destination devices is associated with a second data rate;

comparing said first and second data rates; and

responsive to said comparison, adjusting a processing portion associated with said first destination device to match said second data rate if said second data rate is slower than said first data rate, otherwise adjusting a processing portion associated with said second destination device to match said first data rate if said first data rate is slower than said second data rate.

2. The method according to claim 1, wherein the plurality of destination devices receives input video data from a single source.

3. The method according to claim 2, further comprising:

capturing the input video data at a first capture rate; and

capturing the input video data at a second capture rate, wherein the first capture rate and the second capture rate ensure that the first data rate matches the at least second data rate.

4. The method according to claim 1, wherein the first destination device or the at least second destination device comprises at least one video display.

5. The method according to claim 1, wherein the first destination device or the at least second destination device comprises memory.

6. The method according to claim 1, wherein the processing of the video data in the video processing system comprises at least one of:

scaling, compositing, capturing to memory, and video feeding.

7. The method of claim 1, wherein the plurality of destination devices receives input video data from a single source and display the entire content of the input video data from the single source.

8. The method of claim 1, wherein the plurality of destination devices display the same images.

9. A system for handling video data in a video system, the system comprising:

at least one processor configured to determine data rates associated with each of a plurality of destination devices utilized for processing the video data in a video processing system that supports multiple display data rates, wherein a first destination device of said plurality of destination devices is associated with a first data rate and a second destination device of said plurality of destination devices is associated with a second data rate; and

the at least one processor is configured to;

compare said first and second data rates; and

adjust processing portion associated with said first destination device to match said second data rate if said second data rate is slower than said first data rate, otherwise adjust a processing portion associated with said second destination device to match said first data rate if said first data rate is slower than said second data rate.

10. The system according to claim 9 wherein the plurality of destination devices receive input video data from a single source.

11. The system according to claim 10, wherein said at least one processor is configured to:

capture the input video data at a first capture rate; and

capture the input video data at a second capture rate, wherein the first capture rate and the second capture rate ensure that the first data rate matches the at least second data rate.

12. The system according to claim 9, wherein the first destination device or the at least second destination device comprises at least one video display.

13. The system according to claim 9, wherein the first destination device or the at least second destination device comprises memory.

14. The system according to claim 9, wherein the processing of the video data in the video processing system comprises at least one of scaling, compositing, capturing to memory, and video feeding.

15. The system of claim 9, wherein the plurality of destination devices receives input video data from a single source and display the entire content of the input video data from the single source.

16. The system of claim 9, wherein the plurality of destination devices display the same images.

17. A non-transitory machine-readable storage having stored thereon, a computer program having at least one code section for handling video data in a video system, the at least one code section being executable by a machine for causing the machine to perform steps comprising:

determining data rates associated with each of a plurality of destination devices utilized for processing the video data in a video processing system that supports multiple display data rates, wherein a first destination device of said plurality of destination devices is associated with a first data rate and a second destination device of said plurality of destination devices is associated with a second data rate;

comparing said first and second data rates; and

responsive to said comparison, adjusting a processing portion associated with said first destination device to match said second data rate if said second data rate is slower than said first data rate, otherwise adjusting a processing portion associated with said second destination device to match said first data rate if said first data rate is slower than said second data rate.

18. The non-transitory machine-readable storage according to claim 17, wherein the plurality of destination devices receive input video data from a single source.

19. The non-transitory machine-readable storage according to claim 18, further comprising:

code for capturing the input video data at a first capture rate; and

code for capturing the input video data at a second capture rate, wherein the first capture rate and the second capture rate ensure that the first data rate matches the at least second data rate.

20. The non-transitory machine-readable storage according to claim 17, wherein the first destination device or the at least second destination device comprises at least one video display.

21. The non-transitory machine-readable storage according to claim 17, wherein the first destination device or the at least second destination device comprises memory.

22. The non-transitory machine-readable storage according to claim 17, wherein the processing of the video data in the video processing system comprises at least one of:

scaling, compositing, capturing to memory, and video feeding.

23. The non-transitory computer-readable medium of claim 17, wherein the plurality of destination devices receives input video data from a single source and display the entire content of the input video data from the single source.

24. The non-transitory computer-readable medium of claim 17, wherein the plurality of destination devices display the same images.