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lines changed Original file line number Diff line number Diff line change 44# This source code is licensed under the BSD-style license found in the
55# LICENSE file in the root directory of this source tree.
66"""
7- CUDA Decoding on Nvidia GPUs
8- =====================================
7+ Accelerated video decoding on GPUs with CUDA and NVDEC
8+ ================================================================
99
1010.. _ndecoderec_tutorial:
1111
1212TorchCodec can use supported Nvidia hardware (see support matrix here
1313<https://developer.nvidia.com/video-encode-and-decode-gpu-support-matrix-new>) to speed-up
14- video decoding. This is called "CUDA Decoding".
14+ video decoding. This is called "CUDA Decoding" and it uses Nvidia's NVDEC hardware
15+ decoder and CUDA kernels to respectively decompress and convert to RGB.
1516CUDA Decoding can be faster than CPU Decoding for the actual decoding step and also for
1617subsequent transform steps like scaling, cropping or rotating. This is because the decode step leaves
1718the decoded tensor in GPU memory so the GPU doesn't have to fetch from main memory before
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