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pam-diff - npm Package Compare versions
Comparing version 0.4.6 to 0.4.7
| { | ||
| "name": "pam-diff", | ||
| "version": "0.4.6", | ||
| "version": "0.4.7", | ||
| "description": "Measure differences between pixel arrays extracted from pam images", | ||
@@ -5,0 +5,0 @@ "main": "index.js", |
| # pam-diff | ||
| Measure differences between pixel arrays extracted from pam images. Works well with node module [pipe2pam](https://www.npmjs.com/package/pipe2pam) to extract pam images from an ffmpeg pipe. Supported ***tupltypes*** are ***rgb***, ***rgb_alpha***, ***grayscale***, and ***blackandwhite***. It is currently being used for a video motion detection project. | ||
| [](https://travis-ci.org/kevinGodell/pam-diff) [](https://github.com/kevinGodell/pam-diff/issues) [](https://raw.githubusercontent.com/kevinGodell/pam-diff/master/LICENSE) | ||
| Measure differences between pixel arrays extracted from pam images. Works well with node module [pipe2pam](https://www.npmjs.com/package/pipe2pam) to extract pam images from an ffmpeg pipe. Supported ***tupltypes*** are ***rgb***, ***rgb_alpha***, ***grayscale***, and ***blackandwhite***. It is currently being used for a video motion detection project. | ||
| ### installation: | ||
@@ -15,5 +13,3 @@ ``` | ||
| ### usage: | ||
| The following [example](https://github.com/kevinGodell/pam-diff/tree/master/examples/example.js) uses ffmpeg to connect to a rtsp ip camera video feed and generates 1000 downscaled rgb24 pam images at a rate of 1 per second. The pam images are piped from ffmpeg's stdout into pipe2pam to parse them into into pam objects. The pam objects are then piped into pam-diff to measure pixel differences. For each compared pixel that has a **difference** that exceeds the setting, it will be calculated to determine the percent of difference. If the **percent** of changed pixels exceeds the setting, a **diff** event will be emitted which contains a data object containing details. This example also shows how to take the pam image that triggered the diff event and convert it to a jpeg using ffmpeg. | ||
| ``` | ||
@@ -20,0 +16,0 @@ const P2P = require('pipe2pam'); |
No alert changes
Worsened metrics
- Total package byte prevSize
- decreased by-0.02%
19190
- Number of lines in readme file
- decreased by-3.67%
105
No dependency changes