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duktape

use duktape on ARM to play audio

I would like to use Duktape on my embedded device (ARM processor) to execute Javascript which will download a music stream and play it.

Question 1: Has anyone done that before? Is that possible at all (sound ouput)?

Question 2: If it is possible then I would also like to grab the PCM output and redirect it (not play on the SoundDriver directly). A pointer where to start would be great.

Thanks in advance for any help getting started folks!

Solution

  • Duktape provides an Ecmascript E5.1 compatible Javascript engine but doesn't provide any browser or platform bindings like DOM, network access, etc.

    Duktape is intended to be embedded in a program so that you implement useful platform bindings in C code, and then use them from Javascript. In your case you could implement functions to download and play individual files, and then use Javascript code to call them to e.g. implement a playlist in Javascript.