Video decoder with vector processor and methods for use therewith

1. A video decoder comprising:

an entropy decoding device that generates entropy decoded (EDC) data from an encoded video signal;

a multi-format video decoding device, coupled to the entropy decoding device; that includes:

a memory module that stores format configuration data corresponding to a plurality of video coding formats;

a plurality of vector processor units, coupled to the memory, for generating a decoded video signal from the EDC data, wherein at least one of the plurality of vector processor units includes:

a vector function module that generates vector function data based on a parallel processing of a vector function of a first input vector and a second input vector; and

a selection module, coupled to the vector function module, that selects each element of a vector output as one of: a corresponding element of the vector function data, and a corresponding element of a third input vector.

2. The video decoder of claim 1 wherein the vector function includes an arithmetic function.

3. The video decoder of claim 1 wherein the vector function includes a selection of the vector function data as the first input vector.

4. The video decoder of claim 1 wherein the vector function includes a selection of the vector function data as the second input vector.

5. The video decoder of claim 1 wherein the selection module selects each element of the vector output based on selection data that indicates a subset of elements of the vector output that correspond to the vector function data.

6. The video decoder of claim 1 wherein the selection module selects each element of the vector output based on selection data that indicates a subset of elements of the vector output that correspond to the third input vector.

7. The video decoder of claim 1 wherein the encoded video signal is encoded in accordance with a VP8 coding standard.

8. A method comprising:

generating entropy decoded (EDC) data from an encoded video signal;

generating a decoded video signal from the EDC data, via a plurality of vector processor units, in accordance with a selected one of the plurality of video coding formats, wherein at least one of the plurality of vector processing units operates by:

generating vector function data based on a parallel processing of a vector function of a first input vector and a second input vector; and

selecting each element of a vector output as one of: a corresponding element of the vector function data, and a corresponding element of a third input vector.

9. The method of claim 8 wherein the vector function includes an arithmetic function.

10. The method of claim 8 wherein the vector function includes a selection of the vector function data as the first input vector.

11. The method of claim 8 wherein the vector function includes a selection of the vector function data as the second input vector.

12. The method of claim 8 wherein selecting each element of the vector output is based on selection data that indicates a subset of elements of the vector output that correspond to the vector function data.

13. The method of claim 8 wherein selecting each element of the vector output is based on selection data that indicates a subset of elements of the vector output that correspond to the third input vector.

14. The method of claim 8 wherein the encoded video signal is encoded in accordance with a VP8 coding standard.