bytedeco/javacv

FFmpegFrameGrabber performance on url sources

Open

#1,779 opened on Mar 12, 2022

View on GitHub
 (1 comment) (0 reactions) (0 assignees)Java (1,583 forks)batch import
help wantedquestion

Repository metrics

Stars
 (6,985 stars)
PR merge metrics
 (No merged PRs in 30d)

Description

Hi guys. I found serious difference in performance FFmpegFrameGrabber class and ffmpeg command on linux. If file present on PC FFmpegFrameGrabber is faster on about 50 millis. But when I'm use url as input, FFmpegFrameGrabber super slow and performance difference is about 5-10 seconds.

Any way to improve FFmpegFrameGrabber speed on url sources?

Contributor guide

Research direction
Compare network vs local file reading in FFmpegFrameGrabber; investigate buffering and protocol options.
Tech stack
java
Domain
backend
Issue type
Performance
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
JavaFFmpeg
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65