* Add support for the rocDecGetDecoderCaps API
* move the RocDecVcnCodecSpec class to a new header file
[ROCm/rocdecode commit: bf830a2678]
* Add support for the rocDecGetDecoderCaps API
* move the RocDecVcnCodecSpec class to a new header file
[ROCm/rocdecode commit: bf830a2678]