VCDiff | Full C # implementation of open-vcdiff | Audio Utils library

by Metric C# Version: Current License: No License

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kandi X-RAY | VCDiff Summary

VCDiff is a C# library typically used in Audio, Audio Utils applications. VCDiff has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

This is a full implementation of open-vcdiff in C# based on Google's open-vcdiff. This is written entirely in C# - no external C++ libraries required. This includes proper SDHC support with interleaving and checksums. The only thing it does not support is encoding with a custom CodeTable currently. Will be added later if requested, or feel free to add it in and send a pull request. It is fully compatible with Google's open-vcdiff for encoding and decoding. If you find any bugs please let me know. I tried to test as thoroughly as possible between this and Google's github version. The largest file I tested with was 10MB. Should be able to support up to 2-4GB depending on your system.

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Support

VCDiff has a low active ecosystem.

It has 21 star(s) with 8 fork(s). There are 2 watchers for this library.

It had no major release in the last 6 months.

There are 1 open issues and 0 have been closed. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of VCDiff is current.

Quality

VCDiff has 0 bugs and 0 code smells.

Security

VCDiff has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

VCDiff code analysis shows 0 unresolved vulnerabilities.

There are 0 security hotspots that need review.

License

VCDiff does not have a standard license declared.

Check the repository for any license declaration and review the terms closely.

Without a license, all rights are reserved, and you cannot use the library in your applications.

Reuse

VCDiff releases are not available. You will need to build from source code and install.

Installation instructions are not available. Examples and code snippets are available.

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VCDiff Key Features

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VCDiff Examples and Code Snippets

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Community Discussions

Trending Discussions on VCDiff

Delta encoders: Using Java library in Scala

QUESTION

Delta encoders: Using Java library in Scala

Asked 2020-Oct-24 at 10:14

I have to compare using Spark-based big data analysis data sets (text files) that are very similar (>98%) but with very large sizes. After doing some research, I found that most efficient way could be to use delta encoders. With this I can have a reference text and store others as delta increments. However, I use Scala that does not have support for delta encoders, and I am not at all conversant with Java. But as Scala is interoperable with Java, I know that it is possible to get Java lib work in Scala.

I found the promising implementations to be xdelta, vcdiff-java and bsdiff. With a bit more searching, I found the most interesting library, dez. The link also gives benchmarks in which it seems to perform very well, and code is free to use and looks lightweight.

At this point, I am stuck with using this library in Scala (via sbt). I would appreciate any suggestions or references to navigate this barrier, either specific to this issue (delata encoders), library or in working with Java API in general within Scala. Specifically, my questions are:

Is there a Scala library for delta encoders that I can directly use? (If not)
Is it possible that I place the class files/notzed.dez.jar in the project and let sbt provide the APIs in the Scala code?

I am kind of stuck in this quagmire and any way out would be greatly appreciated.

...

ANSWER

Answered 2020-Oct-24 at 10:14

There are several details to take into account. There is no problem in using directly the Java libraries in Scala, either using as dependencies in sbt or using as unmanaged dependencies https://www.scala-sbt.org/1.x/docs/Library-Dependencies.html: "Dependencies in lib go on all the classpaths (for compile, test, run, and console)". You can create a fat jar with your code and dependencies with https://github.com/sbt/sbt-native-packager and distributed it with Spark Submit.

The point here is to use these frameworks in Spark. To take advantage of Spark you would need split your files in blocks to distribute the algorithm across the cluster for one file. Or if your files are compressed and you have each of them in one hdfs partition you would need to adjust the size of the hdfs blocks, etc ...

You can use the C modules and include them in your project and call them via JNI as frameworks like deep learning frameworks use the native linear algebra functions, etc. So, in essence, there are a lot to discuss about how to implement these delta algorithms in Spark.

Source https://stackoverflow.com/questions/64505586

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install VCDiff

You can download it from GitHub.

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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