FPGA-based conformance testing and system prototyping of an MPEG-4 SA-DCT hardware accelerator
Kinane, Andrew, Casey, Alan, Muresan, Valentin and O'Connor, Noel E.
(2005)
FPGA-based conformance testing and system prototyping of an MPEG-4 SA-DCT hardware accelerator.
In: FPT 2005 - IEEE 2005 International Conference on Field-Programmable Technology, 11-14 Dec. 2005, Singapore.
Two FPGA implementations of a shape adaptive discrete cosine transform (SA-DCT) accelerator are presented in this paper: one PCI-based and the other AMBA-based. The former is used for conformance testing with the MPEG-4 standard requirements. The latter is an alternative platform for system prototyping and has an architecture more representative of a mobile device. The proposed accelerator meets real time constraints on both platforms with a gate count of approximately 40k, and outperforms the optimised reference software implementation by 20/spl times/. It is estimated that the accelerator consumes 250mW on a Virtex-E FPGA and 79mW on a Virtex-II FPGA in the worst case scenario.
Item Type:
Conference or Workshop Item (Paper)
Event Type:
Conference
Refereed:
Yes
Uncontrolled Keywords:
conformance testing; discrete cosine transforms; field programmable gate arrays; logic design; transform coding; video coding;