How to compress video without loosing video quality in android studio?

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I am working on a social media app where the users can upload their videos and watch them in the app. But it takes lots of time to retrieve videos from firebase due to its large size (like 13 seconds video size is 5mb). So I thought to compress video size but after compressing the size ,the video quality gets low. How can I compress video without loosing its quality?

mVideoView = findViewById(R.id.videoView)
    val intent = Intent(MediaStore.ACTION_VIDEO_CAPTURE)
    intent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY,-1)
    intent.putExtra(MediaStore.EXTRA_BRIGHTNESS,1);
    startActivityForResult(intent, REQUEST_CODE)

What I have tried:

I have tried to compress video without loosing its quality?

Posted 16-Nov-20 1:56am

Member 14883729

Updated 16-Nov-20 3:03am

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David Crow 16-Nov-20 8:40am

Have you tried FFMPEG?

https://github.com/WritingMinds/ffmpeg-android-java

https://github.com/bravobit/FFmpeg-Android

Member 14883729 16-Nov-20 9:12am

FFMPEG is very complex to understand and also it increases the size of the app

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OriginalGriff · Answer 1 · 2020-11-16T03:03:00

Solution 1

Pretty much, you can't, and certainly not significantly - unless the source video is an unbelievably low compression video format and modern video codecs are most definitely not that!

Most video codecs compress video, to the point where it can't be significantly compressed further (in fact, ZIPing a video file often makes the result bigger not smaller!) without reducing resolution, frame rate, or data rate (where applicable). And if you alter any of those three, video quality will suffer. In fact, it'll almost certainly degrade at least slightly no matter what you do to it other than a straight copy!

Think about it: if you could make video files half the size without any loss of quality, they would have started out with that size in the first place because they would already be stored in the "smaller format"!

Posted 16-Nov-20 3:03am

OriginalGriff

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Member 14883729 16-Nov-20 9:14am

Can u tell me how video platform like tiktok , reels load video very fast despite of having high quality videos

OriginalGriff 16-Nov-20 9:41am

No - I don't use tiktok, so I have no idea what it does or how it works.
And probably, they aren't going to tell anybody how it works either - it's their IP and they will probably want to protect it.

Member 14883729 16-Nov-20 10:32am

How YouTube loads video fast. Can't I load and upload video fast without compressing them

OriginalGriff 16-Nov-20 10:39am

It doesn't.
It streams it, with buffering.

Member 14883729 16-Nov-20 11:52am

Can I stream fast

Member 8673985 28-Oct-21 23:08pm

Interesting question. Have you finally figured out any approaches?