torchcodec.decoders

Video Decoding

For a video decoder tutorial, see: Decoding a video with VideoDecoder.

VideoDecoder	A single-stream video decoder.
WavDecoder	A fast decoder for WAV audio files.

VideoStreamMetadata

Metadata of a single video stream.

CUDA decoding utils:

set_cuda_backend	Context Manager to set the CUDA backend for VideoDecoder.
set_nvdec_cache_capacity	Set the maximum number of NVDEC decoders that can be cached (per GPU).
get_nvdec_cache_capacity	Get the capacity of the per-device NVDEC decoder cache.

CpuFallbackStatus

Information about CPU fallback status.

Audio Decoding

For an audio decoder tutorial, see: Decoding audio streams with AudioDecoder.

AudioDecoder	A single-stream audio decoder.
WavDecoder	A fast decoder for WAV audio files.

AudioStreamMetadata

Metadata of a single audio stream.

Image Decoding

decode_image	Decode an image into a [N]CHW tensor, detecting the format automatically.
decode_jpeg	Decode a JPEG image into a CHW tensor, on CPU or CUDA.
decode_png	Decode a PNG image into a CHW tensor.
decode_webp	Decode a WebP image into a [N]CHW tensor.
decode_gif	Decode a GIF image into a [N]CHW tensor.
decode_avif	Decode an AVIF image into a [N]CHW tensor.
decode_heic	Decode an HEIC/HEIF image into a [N]CHW tensor - requires libheif!

ImageReadMode

Color mode for image decoding.