CEF/imagorvideoextended
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chore: update description

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Adrian Shum 2022-10-22 11:58:41 +08:00
parent 6bf580bba7
commit 25317955a8
4 changed files with 5 additions and 1 deletions
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README.md
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@ -27,9 +27,13 @@ http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/BigBuckBunny.mp
Result:
```
http://localhost:8000/unsafe/300x0/7x7/filters:label(imagorvideo,-10,-7,20,yellow):fill(yellow)/http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/BigBuckBunny.mp4
http://localhost:8000/unsafe/300x0/0x0:0x14/filters:frame(0.2):fill(yellow):label(imagorvideo,-3,bottom,12,black,20)/http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/BigBuckBunny.mp4
http://localhost:8000/unsafe/300x0/7x7/filters:frame(0.6):label(imagorvideo,-10,-7,15,yellow):fill(yellow)/http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/BigBuckBunny.mp4
```
![imagorvideo](https://raw.githubusercontent.com/cshum/imagorvideo/master/testdata/demo.jpg)
<img src="https://raw.githubusercontent.com/cshum/imagorvideo/master/testdata/demo.jpg" width="200" /> <img src="https://raw.githubusercontent.com/cshum/imagorvideo/master/testdata/demo2.jpg" width="200" /> <img src="https://raw.githubusercontent.com/cshum/imagorvideo/master/testdata/demo3.jpg" width="200" />
imagorvideo works by streaming out a limited number of frame data, looping through and calculating the histogram of each frame. It then choose the best frame for imaging, based on root-mean-square error (RMSE). This allow skipping the black frames that usually occur at the beginning of videos.