NVIDIA / NVIDIA/DALI

[Question] How to provide start and end frames for video reader without creating a file?

Open
#3,181 1 comment 0 reactions 0 assignees View on GitHub

Nobody has claimed this yet.

question
Dominant language
C++
Stars
5.8k
Forks
678
Avg merge
3d 1h
Merged PRs (30d)
27

Description

Hi

Thanks for the amazing repository. I am trying to read video frames but I couldn't figure out how to pass the start and end frame directly into the fn.readers.video

In the docs, I see examples using reading from a file using the file_list argument, but I was wondering if there was any direct way to pass it to the reader.

For context, I am trying to read kinetics dataset using DALI, but I would need different start and end times at every epoch. Any suggestions would be helpful!

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

No source files or tests are named. Start with the fn.readers.video API and its file_list documentation, then determine whether start and end frame or time inputs can vary per epoch. Done would require a documented supported approach or a clearly scoped API change for per-epoch video ranges.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
data, machine-learning
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.