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Nvidia NVDEC (formerly known as NVCUVID [1]) is a feature in its graphics cards that performs video decoding, offloading this compute-intensive task from the CPU. [2] NVDEC is a successor of PureVideo and is available in Kepler and later NVIDIA GPUs.
Nvidia also sells PureVideo decoder software which can be used with media players which use DirectShow. Systems with dual GPU's either need to configure the codec or run the application on the Nvidia GPU to utilize PureVideo. Media players which use LAV, ffdshow or Microsoft Media Foundation codecs are able to utilize PureVideo capabilities.
GPU usage by codec – some codecs can drastically increase their performance by taking advantage of GPU resources. So, for example, codec A (being optimized for memory usage – i.e., uses less memory) may, on modern computers (which are typically not memory-limited), give slower performance than codec B.
GPU Hardware H.264 (AVC) (In H.264, NVENC always has B Frame support, max 4096x4096 resolution, and max 8-bit depth) H.265 (HEVC) AV1; NVENC Generation GPU Code Name NVENC per Chip Chroma Lossless Coding Chroma Lossless Coding Resolution Color Depth B Frames AV1 4:2:0 4:4:4 4:2:0 4:4:4 1st Gen GK110 1 H.265 not supported AV1 not supported GK107 ...
Although transcoding can be found in many areas of content adaptation, it is commonly used in the area of mobile phone content adaptation. In this case, transcoding is a must, due to the diversity of mobile devices and their capabilities. This diversity requires an intermediate state of content adaptation in order to make sure that the source ...
An example of vainfo output, showing supported video codecs for VA-API acceleration. The main motivation for VA-API is to enable hardware-accelerated video decode at various entry-points (VLD, IDCT, motion compensation, deblocking [5]) for the prevailing coding standards today (MPEG-2, MPEG-4 ASP/H.263, MPEG-4 AVC/H.264, H.265/HEVC, and VC-1/WMV3).
On top of that, the oil producer plans to ramp its annual share repurchase rate from $5 billion to $7 billion, ... Hart help Knicks beat Jazz 119-103 without Brunson for their 9th straight win.
x265 source code is written in C++ and x86 assembly. [3]x265 supports the Main, Main 10, Main 12 and Main Still Picture profiles [11] of HEVC (including intra-only profiles), utilizing a bit depth of either 8 bits or 10 bits per sample YCbCr with 4:2:0, 4:2:2 or 4:4:4 chroma subsampling.