VANGUARD Video V.265 Encoder Overview and Role

H.265 / HEVC video encoding consumes only half bandwidth encoded by H.264, but it can realize the same video quality, which is very important for 4k2k video. Vanguard Video has developed a H.265 / HEVC Video codec that supports the latest HEVC draft rules. One feature that may be most worthy of this codec is that Vanguard has implemented a 4kp30 video codec real-time software version (selected algorithm uses C language and manually modified "to-the-max" assembly language), welcome to compare comparison . The software version of the Four 8-Nuclear Intel Xeon Microprocessors and Barco Silex is already in the Xilinx VC709 Connectivity Kit (based on a Virtex-7 690T FPGA) to implement the same encoder (Vanguard uses HDL writing. ). We will conduct some contrast First introduce the Vanguard Video V.265 encoder. Vanguard Video V.265 Codec encodes high quality 4kp30 video only 15Mbps bandwidth, if the video quality is required to be poor or lower, the bandwidth requires less expensive. The following is a block diagram showing this encoder complexity: Eight-core server processor power consumption is approximately 100W, and Vanguard Video V.265 Encoding requires four such processors to perform real-time HEVC encoding. Power consumption of hundreds of tiles and requires a lot of heat dissipation fans. The same task is performed using Virtex-7 FPGA, and the power consumption is significantly reduced. Vanguard Video also developed the HEVC codec kernel, but system integration needs to be used before connecting Virtex-7 FPGA. You also need to perform video pretreatment to support different input formats (such as SDI, DISPLAYPORT, and HDMI), which requires a local storage memory controller such that software programmable configuration registers are used for host access. PCIe interface and Ethernet for flowing out. Barco-Silex completed these integrations to make a demonstration in the 2014 NAB conference in Las Vegas this week. Read more

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