bytedeco/javacv

How can I use FFmpegFrameGrabber to get a specific channel from a multi channel wav file

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#1,821 opened on Jun 7, 2022

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Description

Hi All,

my wav file is multi channel, how can I use FFmpegFrameGrabber to get a specific channel and write it into an output wav file ?

Thanks a lot

Contributor guide

Research direction
Use FFmpegFrameGrabber's setAudioStream method or iterate over channels using FrameFilter. Refer to JavaCV examples and FFmpeg documentation on audio channel extraction.
Tech stack
java
Domain
database
Issue type
Research
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.
Under 1 hour
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
JavaFFmpegFrameGrabber basics
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65