如何使用ffmpeg在Android中从mp4视频获取视频帧? [英] How to get video frames from mp4 video using ffmpeg in android?
问题描述
我已经在3,4天的研究工作中成功地在android中编译和构建了ffmpeg库。
现在我想从视频中抓取帧。但是我不知道哪个ffmpeg方法可以从java类调用命令来抓取所有的帧。有人有想法吗?或者我想覆盖2个视频。 ffmpeg中是否有直接方法可以将两个视频合并在一起?如果是,如何从java类调用?
I have successfully compiled and build ffmpeg library in android after 3,4 days research work.
Now I want to grab frames from video. But I don't know which ffmpeg method with command to be called from java class to grab the all frames. Any one have idea about it? or I want to overlay 2 videos. Is there any direct method available in ffmpeg to merge two videos one over another? If yes, how to call it from java class?
推荐答案
编译 ffmpeg.c
并通过jni调用其 main()
。
compile ffmpeg.c
and invoke its main()
via jni.
有关更多详细信息,请参阅如何在Android上使用FFMPEG 。
For more details see how to Use FFMPEG on Android .
Also refer this github project. And this tutorial too will help you.
我希望这将有助于您。
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