![]() ![]() We tried to fix these issues but got new ones instead. We checked out several tutorials on how to do this, but there were some issues anyway. We tried to build FFmpeg’s source code for Android OS. Use the library which builds the bridge between Java and native C++ libraries.įirstly we’ve selected the former variant.Build FFmpeg’s source code for Android and use NDK to write needed code on C language.On Windows, this code works perfectly fine, but we also needed to test FFmpeg library on Android OS. Next example shows how we can remove background color in the video and overlay effect on it: ffmpeg -i video.mp4 -i effect.mp4 -filter_complex "chromakey=0x12da11:0.2 overlay=eof_action=pass" -map "" out.mp4 Testing of FFmpeg Library on Android In case we need to remove background color in the video effect – we can use chroma key filter. The first example below shows how animated overlay video influences the main video: ffmpeg -i video.mp4 -i effect.mp4 -filter_complex "overlay=eof_action=pass" -map "" out.mp4 We have tried to execute the filters in the command line on PC with Windows OS. For our task, we have chosen two filters – chroma key and overlay. If we need to do some transformations or changes in the video – the library has a rich number of filters to choose from. ![]() Our developers decided to use FFmpeg library for this test. A complete variant of the video can be saved on the SD card or shared with your friends on social networksįFmpeg Library for Testing Video Overlay Effects.Then, you click the button “Slap Me” and the chosen effect is shown on the screen.Firstly, you choose one animated overlay effect from the list.That’s why developers of Mobilunity decided to conduct a small test the main idea of which was to record a video with effects using a mobile device so that the process would look like this: Mobile app developers wonder more and more how to overlay video on a video, what kinds of techs to use and will it be successful at all. Many companies create corporate channels to promote their services through video content, optimizing it for better ranking. Since we live in the epoque of Snapchat, Instagram and other visual social networks, lots of people started to get obsessed with cool and funny video effects. Home / Blog / HowTos / Android App Development: How to Overlay Video on a Video Android App Development: How to Overlay Video on a Video ![]()
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