velvet-video | Java library for encoding / decoding / muxing / demuxing | Video Utils library

 by   zakgof Java Version: 0.5.2 License: Non-SPDX

kandi X-RAY | velvet-video Summary

kandi X-RAY | velvet-video Summary

velvet-video is a Java library typically used in Telecommunications, Media, Media, Entertainment, Video, Video Utils applications. velvet-video has no bugs, it has no vulnerabilities, it has build file available and it has low support. However velvet-video has a Non-SPDX License. You can download it from GitHub, Maven.

Java library for encoding / decoding / muxing / demuxing video and audio in various formats

            kandi-support Support

              velvet-video has a low active ecosystem.
              It has 24 star(s) with 9 fork(s). There are 2 watchers for this library.
              It had no major release in the last 12 months.
              There are 16 open issues and 15 have been closed. On average issues are closed in 29 days. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of velvet-video is 0.5.2

            kandi-Quality Quality

              velvet-video has 0 bugs and 0 code smells.

            kandi-Security Security

              velvet-video has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              velvet-video code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              velvet-video has a Non-SPDX License.
              Non-SPDX licenses can be open source with a non SPDX compliant license, or non open source licenses, and you need to review them closely before use.

            kandi-Reuse Reuse

              velvet-video releases are not available. You will need to build from source code and install.
              Deployable package is available in Maven.
              Build file is available. You can build the component from source.
              Installation instructions, examples and code snippets are available.
              velvet-video saves you 2009 person hours of effort in developing the same functionality from scratch.
              It has 4417 lines of code, 483 functions and 87 files.
              It has low code complexity. Code complexity directly impacts maintainability of the code.

            Top functions reviewed by kandi - BETA

            kandi has reviewed velvet-video and discovered the below as its top functions. This is intended to give you an instant insight into velvet-video implemented functionality, and help decide if they suit your requirements.
            • Preload native lib
            • Extract native libraries
            • Attempts to locate a file from a URL
            • Decodes a video frame
            • Get the bytes of a buffered image
            • Check if an error code is found
            • Initializes the extraction directory
            • Creates the extraction directory
            • Creates a muxer format context
            • Creates a struct instance of a struct
            • Converts a given dictionary to a metadata map
            • Executes the next item using the given supplier
            • Allocate a camera frame
            • Gets the current platform
            • Get the set of supported sample formats
            • Allocate custom AVIO Context
            • Default name for the video handler
            • Creates an iterator from a Supplier
            • Writes an array of bytes
            • Decode a frame
            • Puts a frame
            • Iterates over the input using the given processor
            • Submit a frame
            • Converts the buffer to a byte array
            • Compares the suggested format to the suggested format
            • Initialize resampler
            Get all kandi verified functions for this library.

            velvet-video Key Features

            No Key Features are available at this moment for velvet-video.

            velvet-video Examples and Code Snippets

            Javadot img1Lines of Code : 12dot img1License : Non-SPDX (NOASSERTION)
            copy iconCopy
            velvet-video,Quick start,Obtain images from a video:
            Javadot img2Lines of Code : 9dot img2License : Non-SPDX (NOASSERTION)
            copy iconCopy
            	IVelvetVideoLib lib = VelvetVideoLib().getInstance();
            	try (IDemuxer demuxer = lib.demuxer(new File("/some/path/example.mp4"))) {
            	    IDecoderVideoStream videoStream = demuxer.videoStream(0);
            	    IFrame videoFrame;
            	    while ((videoFrame = videoS  
            velvet-video,Quick start,Encode images into a video:
            Javadot img3Lines of Code : 9dot img3License : Non-SPDX (NOASSERTION)
            copy iconCopy
                IVelvetVideoLib lib = VelvetVideoLib().getInstance();
                try (IMuxer muxer = lib.muxer("matroska")
                    .build(new File("/some/path/output.mkv"))) {

            Community Discussions

            Trending Discussions on velvet-video


            How to use this library it has only .java files in it
            Asked 2021-May-17 at 07:14

            I don't want to use any building tools or IDE i want to know how this all works and if anyone has any source where i can learn how to use the compiler and stuff like this pleas link them i thought of using class path but there are so many folders and i have seen it been used only in jars files not in .java files or should i compile them all



            Answered 2021-May-17 at 07:14

            There's two very different things to do depending on what your goal is:

            1. if your goal is just to use the library, then use the build system they use (in this case gradle) to build a jar file and use that. The build system exists precisely with this goal in mind and trying to avoid using it for this goal is like insisting on screwing in a screw without using a screwdriver.

            2. if you want to learn how the library is supposed to be compiled, then learn the build system that they use and read its configurations files (in this case build.gradle) and interpret it accordingly.

            As you see in both cases you'll have to get at least some familiarity with the build system, because sufficiently complex software is more than just a bunch of source files.

            First of all almost all software will have some dependencies. The build system usually takes care of grabbing the appropriate dependencies. And the dependencies of dependencies (called transitive dependencies).

            Second, some (but definitely not all) software will require some auxiliary steps for building, such as converting some DSL files into generated code (parsers/lexers are a common sample, but protobuf is another example).

            Third, as Dave Newton suggested in the comments, some software further complicates matters by changing the actual compilation steps themselves in a way that's not easily reproduced using just the JDK command-line tools (specifically things like the Lombok Gradle Plugin).


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


            No vulnerabilities reported

            Install velvet-video

            To use velvet-video add the core dependency plus an appropriate native FFmpeg components package. velvet-video is available on bintray.
            velvet-video-natives:free only royalty-free components are included encoders/decoders: Google VP8 and VP9, AOM av1 muxers/demuxers: webm, mkv, ogg
            velvet-video-natives:full maximum FFmpeg functionality included the included components use patented technologies and may require royalty fees for commercial usage


            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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          • CLI

            gh repo clone zakgof/velvet-video

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