webm.js | JavaScript WebM converter | Media library
kandi X-RAY | webm.js Summary
kandi X-RAY | webm.js Summary
webm.js is a JavaScript library typically used in Media applications. webm.js has no bugs, it has no vulnerabilities and it has low support. However webm.js has a Non-SPDX License. You can download it from GitHub.
Currently only VP8+Opus combination is supported. Opus is better than Vorbis (and almost any other lossy audio codec) for the full range of bitrates and encoder is blazingly fast. Unfortunately, due to lack of SIMD, libvpx-vp9 encoder is rather impractical in browser and VP8 is significantly worse than VP9. Though JavaScript SIMD API is part of ES7 proposal and already supported by Firefox Nightly so I'm actively looking into this. Trying to compensate the use of outdated codec, two-pass encoding with speed=1 and lag-in-frames=25 is used. Splitting video in parts creates additional keyframes and therefore loses effeciency a bit, but the difference should be negligible for the g=128 currently used. It is also possible to specify speed=0 or quality=best and other FFmpeg/libvpx options if you're trying to achieve the maximal quality.
Currently only VP8+Opus combination is supported. Opus is better than Vorbis (and almost any other lossy audio codec) for the full range of bitrates and encoder is blazingly fast. Unfortunately, due to lack of SIMD, libvpx-vp9 encoder is rather impractical in browser and VP8 is significantly worse than VP9. Though JavaScript SIMD API is part of ES7 proposal and already supported by Firefox Nightly so I'm actively looking into this. Trying to compensate the use of outdated codec, two-pass encoding with speed=1 and lag-in-frames=25 is used. Splitting video in parts creates additional keyframes and therefore loses effeciency a bit, but the difference should be negligible for the g=128 currently used. It is also possible to specify speed=0 or quality=best and other FFmpeg/libvpx options if you're trying to achieve the maximal quality.
Support
Quality
Security
License
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Support
webm.js has a low active ecosystem.
It has 434 star(s) with 30 fork(s). There are 16 watchers for this library.
It had no major release in the last 6 months.
There are 9 open issues and 5 have been closed. On average issues are closed in 21 days. There are 2 open pull requests and 0 closed requests.
It has a neutral sentiment in the developer community.
The latest version of webm.js is current.
Quality
webm.js has 0 bugs and 0 code smells.
Security
webm.js has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
webm.js code analysis shows 0 unresolved vulnerabilities.
There are 0 security hotspots that need review.
License
webm.js 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.
Reuse
webm.js 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.
webm.js saves you 14 person hours of effort in developing the same functionality from scratch.
It has 39 lines of code, 0 functions and 15 files.
It has low code complexity. Code complexity directly impacts maintainability of the code.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of webm.js
Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of webm.js
webm.js Key Features
No Key Features are available at this moment for webm.js.
webm.js Examples and Code Snippets
No Code Snippets are available at this moment for webm.js.
Community Discussions
Trending Discussions on webm.js
QUESTION
shared:ERROR: closure compiler failed (rc: 1)
Asked 2019-Apr-10 at 00:39
I want to build ffmpeg.js, but I am getting the following error when running make all:
...ANSWER
Answered 2019-Apr-10 at 00:39It says Closure Compiler failed. Remove --closure 1. You probably need to reduce the Optimization flag to -O2 in order to compile. As you can see, in my experience, Emscripten optimizers has some bugs with JS modularization code.
It is always good try compiling anything without any optimization flags, then gradually enable them.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install webm.js
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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