FFmpeg Android Commands: A Comprehensive Guide

As an Android developer, you may encounter situations where you need to manipulate videos on your device. FFmpeg is a powerful open-source command-line tool that allows you to perform various operations on audio and video files. In this article, we will explore some of the most useful FFmpeg commands for Android.

Joining/Concatenating Videos

One common task when working with videos is concatenating multiple files into one. With FFmpeg, you can achieve this by using the `-concat` option. Here's an example command:

```

ffmpeg -i one.mp4 -c copy -bsf:v h264_mp4toannexb -f mpegts one.ts

ffmpeg -i two.mp4 -c copy -bsf:v h264_mp4toannexb -f mpegts two.ts

ffmpeg -i 'concat:one.ts|two.ts' -c copy -bsf:a aac_adtstoasc combined.mp4

```

This command joins the `one.mp4` and `two.mp4` videos into a single file called `combined.mp4`.

Remuxing Videos

Another common task is remuxing a video from one format to another without re-encoding the audio or video streams. FFmpeg allows you to do this with the `-remux` option. Here's an example command:

```

ffmpeg -i input.mkv -c:a aac -b:a 128k -c:v libx264 -crf 23 output.mp4

```

This command remuxes the `input.mkv` video to the `output.mp4` file, using AAC audio and H.264 video compression.

Trimming Videos

Sometimes, you may need to trim a video to a specific length. FFmpeg allows you to do this with the `-trim` option. Here's an example command:

```

ffmpeg -i input.mp4 -ss 00:01:30 -to 00:05:00 output.mp4

```

This command trims the `input.mp4` video from 1 minute and 30 seconds to 5 minutes.

Extracting Frames

FFmpeg allows you to extract individual frames from a video. Here's an example command:

```

ffmpeg -i input.mp4 -ss 00:01:30 -vf fps=1 output.jpg

```

This command extracts the frame at 1 minute and 30 seconds from the `input.mp4` video and saves it as a JPEG image.

Combining Images

FFmpeg also allows you to combine multiple images into a single video. Here's an example command:

```

ffmpeg -i frame_%03d.jpg -vf 'scale=-2:128' output.mp4

```

This command combines the `frame_001.jpg`, `frame_002.jpg`, and so on, images into a single video.

FFmpeg is a powerful tool that can help you manipulate videos in various ways. Whether you need to join multiple videos together, remux a video to a different format, trim a video to a specific length, extract individual frames, or combine images into a video, FFmpeg has got you covered. With this comprehensive guide, you should now be able to use FFmpeg commands to perform these tasks on your Android device.

Ffmpeg android commands