nvidia.dali.fn.readers

See also

• Examples covering how to load data using DALI readers and external source operator

The following table lists all operations available in nvidia.dali.fn.readers module:

Function	Device support	Short description
readers.caffe	CPU	Reads (Image, label) pairs from a Caffe LMDB.
readers.caffe2	CPU	Reads sample data from a Caffe2 Lightning Memory-Mapped Database (LMDB).
readers.coco	CPU	Reads data from a COCO dataset that is composed of a directory with images and annotation JSON files.
readers.file	CPU	Reads file contents and returns file-label pairs.
readers.mxnet	CPU	Reads the data from an MXNet RecordIO.
readers.nemo_asr	CPU	Reads automatic speech recognition (ASR) data (audio, text) from an NVIDIA NeMo compatible manifest.
readers.numpy	CPU, GPU	Reads Numpy arrays from a directory.
readers.sequence	CPU	Reads [Frame] sequences from a directory representing a collection of streams.
readers.tfrecord	CPU	Reads samples from a TensorFlow TFRecord file.
readers.video	GPU	Loads and decodes video files using FFmpeg and NVDECODE, which is the hardware-accelerated video decoding feature in the NVIDIA(R) GPU.
readers.video_resize	GPU	Loads, decodes and resizes video files with FFmpeg and NVDECODE, which is NVIDIA GPU’s hardware-accelerated video decoding.
readers.webdataset	CPU	A reader for the webdataset format.