Inhalt des Dokuments
High performance video coding
H.264 is the current standard for video coding, as it offers substantial improvements in compression rate and quality. However, as a result, the computational complexity of H.264 is much higher than that of previous standards. This trend will continue with HEVC, the future standard that will succeed H.264. To be able to perform real-time decoding and encoding, multicores need to be leveraged.
Parallel video decoding is challenging, however. The encoding algorithms focus on reducing redundant information as much as possible, which leads to complex dependencies between decoding kernels. Research in this field has yielded a fully parallel Quad HD/4K capable decoder, which is able to run with high performance on a wide range of parallel platforms.
Research in this area include investigating the possibilities of parallelizing HEVC, investigating the use of GPUs for parallel decoding and encoding, implementing a QHD H.264 demo video setup and player interface, and optimizing the video coding kernels for SIMD, VLIW, and TTA architectures.