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I am new to ffmpeg usage. I am trying to merge two video file. The below bullets will provide you more details about it.

1. I-ball usb camera
2. Screen capture utility named UScreenCapture.

The below command i am using on DOS.

ffmpeg -f dshow  -i video="iBall Face2Face Webcam C12.0" -f dshow -i video="UScreenCapture"  -r 25 -vcodec mpeg4 -q 12 -f mpegts test.ts

This command captures only from Uscreencapture source.

while grabbing frames from Camera it is giving me an error saying that real-time buffer 90% full! frame dropped! real-time buffer 121% full! frame dropped!

Can any one provide me the solution for this issue?

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1 回答 1

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看起来你需要 ffmpeg -map 功能

“指定一个或多个输入流作为输出文件的源”

FFMPEG“-map”文档

于 2013-02-25T20:49:33.167 回答