FFMPEG覆盖另一个视频顶部的视频 [英] FFMPEG Overlay video on top of another video

问题描述

我已经浏览了stackoverflow上的所有问题，但没有一个答案适用于我。

I have looked through all the questions on this on stackoverflow but none of the answers worked for me.

我有一个屏幕录制的视频在mp4和另一个录像从mp4中的网络摄像头。我想覆盖网络摄像头视频在屏幕录制视频的左上角。

I have a screen recorded video in mp4 and another video recorded from a webcam in mp4. I want to overlay the webcam video over the top left of the screen recorded video.

我想我终于找到了正确的命令行，但是当我通过ffmpeg进程在达到handler_name：SoundHandler时冻结。

I think I finally found the right command line for doing this but when I step through the ffmpeg process it freezes when it reaches " handler_name :SoundHandler".

这是我的命令行：

string overlayPosition = "movie=" + '"' + _videoFile.FileName + '"' + "[inner]; [in][inner] overlay [out]";
string overLayCommand = "-i " + '"' + videoList[0].Path + '"' + " -vf " + '"' + overlayPosition + '"' +  + '"' + " C:\\Users\\james\\output.mp4" + '"';

有谁知道我做错了什么？我已经设法修剪音频和视频，裁剪视频，加入声音，加入视频，加入声音和视频，但不能覆盖工作：（。

Does anyone know what I am doing wrong? I've managed to trim audio and video, crop video, join sound, join video, and join sound and video but cannot get overlay to work :(.

推荐答案

我更新了FFMPEG，最后使用这个：

I updated FFMPEG and ended up using this:

string overLayCommand =-i+''+ videoList [0] +'+-+++++ C：\Users\james\output.mp4+'';

string overLayCommand = "-i " + '"' + videoList[0].Path + '"' + " -i " + '"' + _videoFile.FileName + '"' + " -filter_complex " + '"' + "overlay" + '"' + " -strict -2 " + '"' + "C:\Users\james\output.mp4" + '"';

这篇关于FFMPEG覆盖另一个视频顶部的视频的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！