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ha7ilm 2015-08-16 23:50:26 +02:00
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README.md
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@ -10,8 +10,6 @@ Most of the code is available under the permissive BSD license, with some option
- The code of *libcsdr* was intended to be easy to follow. - The code of *libcsdr* was intended to be easy to follow.
- *libcsdr* was designed to use auto-vectorization available in *gcc*. It means that it can achieve some speedup by taking advantage of SIMD command sets available in today's CPUs (e.g. SSE on x86 and NEON on ARM). - *libcsdr* was designed to use auto-vectorization available in *gcc*. It means that it can achieve some speedup by taking advantage of SIMD command sets available in today's CPUs (e.g. SSE on x86 and NEON on ARM).
Moreover, *libcsdr* serves as the base for the new, experimental <a href="#sdr.js">sdr.js</a>, which takes Software Defined Radio DSP to today's web browsers that provide JavScript JIT compilation.
How to compile How to compile
-------------- --------------
The project was only tested on Linux. It has the following dependencies: `libfftw3-dev` The project was only tested on Linux. It has the following dependencies: `libfftw3-dev`
@ -377,11 +375,11 @@ E.g. you can send `-0.05 0.02\n`
## [sdr.js] (#sdr.js) ## [sdr.js] (#sdr.js)
*sdr.js* is *libcsdr* compiled to JavaScript code with *Emscripten*. Nowadays JavaScript runs quite fast in browsers, as all major browser vendors included JavaScript JIT machines into their product. You can find a <a href="https://kripken.github.io/mloc_emscripten_talk/cppcon.html">great introductory slideshow here</a> about *Emscripten*. *sdr.js* is *libcsdr* compiled to JavaScript code with *Emscripten*. Nowadays JavaScript runs quite fast in browsers, as all major browser vendors included JavaScript JIT machines into their product. You can find a <a href="https://kripken.github.io/mloc_emscripten_talk/cppcon.html">great introductory slideshow here</a> on the concept behind *Emscripten* and *asm.js*.
The purpose of *sdr.js* is to make SDR DSP processing available in the web browser. However, it is not easy to use in production yet. By now, only those functions have wrappers that the front-end of OpenWebRX uses. The purpose of *sdr.js* is to make SDR DSP processing available in the web browser. However, it is not easy to use in production yet. By now, only those functions have wrappers that the front-end of OpenWebRX uses.
To compile *sdr.js*, you will need <a href="http://emscripten.org/">emscripten</a>. (It turns out that *emscripten* is already included in Ubuntu repositories.) To compile *sdr.js*, first get <a href="http://emscripten.org/">Emscripten</a>. (It turns out that there is an *emscripten* package in Ubuntu repositories.)
To install and build dependencies (for now, only FFTW3): To install and build dependencies (for now, only FFTW3):