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https://github.com/ggerganov/ggwave.git
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Javascript bindings (#14)
* Initial version ready - bindings are in `bindings/emscripten.cpp` - minimal Javascript example is in `examples/ggwave-js` * add npm package + add test-ggwave.js * js : rename export name to "ggwave_factory" * update to v0.1.5 * Update README.md * npm : add npm-publish target
This commit is contained in:
Georgi Gerganov
1
bindings/javascript/.gitignore
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bindings/javascript/.gitignore
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publish.log
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bindings/javascript/CMakeLists.txt
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bindings/javascript/CMakeLists.txt
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set(TARGET libggwave)
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add_executable(${TARGET}
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emscripten.cpp
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)
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target_link_libraries(${TARGET} PRIVATE
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ggwave
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)
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set_target_properties(${TARGET} PROPERTIES LINK_FLAGS " \
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--bind \
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-s MODULARIZE=1 \
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-s SINGLE_FILE=1 \
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-s ALLOW_MEMORY_GROWTH=1 \
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-s EXPORT_NAME=\"'ggwave_factory'\" \
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")
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add_custom_command(
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TARGET libggwave POST_BUILD
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COMMAND ${CMAKE_COMMAND} -E copy
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${CMAKE_BINARY_DIR}/bin/libggwave.js
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${CMAKE_CURRENT_SOURCE_DIR}/ggwave.js
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)
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65
bindings/javascript/emscripten.cpp
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bindings/javascript/emscripten.cpp
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#include "ggwave/ggwave.h"
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#include <emscripten.h>
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#include <emscripten/bind.h>
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EMSCRIPTEN_BINDINGS(ggwave) {
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emscripten::enum_<ggwave_SampleFormat>("SampleFormat")
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.value("GGWAVE_SAMPLE_FORMAT_UNDEFINED", GGWAVE_SAMPLE_FORMAT_UNDEFINED)
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.value("GGWAVE_SAMPLE_FORMAT_U8", GGWAVE_SAMPLE_FORMAT_U8)
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.value("GGWAVE_SAMPLE_FORMAT_I8", GGWAVE_SAMPLE_FORMAT_I8)
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.value("GGWAVE_SAMPLE_FORMAT_U16", GGWAVE_SAMPLE_FORMAT_U16)
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.value("GGWAVE_SAMPLE_FORMAT_I16", GGWAVE_SAMPLE_FORMAT_I16)
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.value("GGWAVE_SAMPLE_FORMAT_F32", GGWAVE_SAMPLE_FORMAT_F32)
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;
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emscripten::enum_<ggwave_TxProtocolId>("TxProtocolId")
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.value("GGWAVE_TX_PROTOCOL_AUDIBLE_NORMAL", GGWAVE_TX_PROTOCOL_AUDIBLE_NORMAL)
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.value("GGWAVE_TX_PROTOCOL_AUDIBLE_FAST", GGWAVE_TX_PROTOCOL_AUDIBLE_FAST)
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.value("GGWAVE_TX_PROTOCOL_AUDIBLE_FASTEST", GGWAVE_TX_PROTOCOL_AUDIBLE_FASTEST)
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.value("GGWAVE_TX_PROTOCOL_ULTRASOUND_NORMAL", GGWAVE_TX_PROTOCOL_ULTRASOUND_NORMAL)
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.value("GGWAVE_TX_PROTOCOL_ULTRASOUND_FAST", GGWAVE_TX_PROTOCOL_ULTRASOUND_FAST)
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.value("GGWAVE_TX_PROTOCOL_ULTRASOUND_FASTEST", GGWAVE_TX_PROTOCOL_ULTRASOUND_FASTEST)
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;
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emscripten::class_<ggwave_Parameters>("Parameters")
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.constructor<>()
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.property("sampleRateInp", &ggwave_Parameters::sampleRateInp)
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.property("sampleRateOut", &ggwave_Parameters::sampleRateOut)
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.property("samplesPerFrame", &ggwave_Parameters::samplesPerFrame)
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.property("sampleFormatInp", &ggwave_Parameters::sampleFormatInp)
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.property("sampleFormatOut", &ggwave_Parameters::sampleFormatOut)
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;
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emscripten::function("getDefaultParameters", &ggwave_getDefaultParameters);
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emscripten::function("init", &ggwave_init);
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emscripten::function("free", &ggwave_free);
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emscripten::function("encode", emscripten::optional_override(
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[](ggwave_Instance instance,
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const std::string & data,
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ggwave_TxProtocolId txProtocolId,
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int volume) {
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auto n = ggwave_encode(instance, data.data(), data.size(), txProtocolId, volume, nullptr, 1);
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std::vector<char> result(n);
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result.resize(n);
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ggwave_encode(instance, data.data(), data.size(), txProtocolId, volume, result.data(), 0);
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return emscripten::val(
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emscripten::typed_memory_view(result.size(),
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result.data()));
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}));
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emscripten::function("decode", emscripten::optional_override(
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[](ggwave_Instance instance,
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const std::string & data) {
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char output[256];
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auto n = ggwave_decode(instance, data.data(), data.size(), output);
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if (n > 0) {
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return std::string(output, n);
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}
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return std::string();
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}));
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}
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21
bindings/javascript/ggwave.js
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bindings/javascript/ggwave.js
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File diff suppressed because one or more lines are too long
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bindings/javascript/package-tmpl.json
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bindings/javascript/package-tmpl.json
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{
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"name": "ggwave",
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"version": "@PROJECT_VERSION@",
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"description": "Tiny data-over-sound library",
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"main": "ggwave.js",
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"scripts": {
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"test": "echo \"todo: add tests\" && exit 0"
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},
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"repository": {
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"type": "git",
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"url": "git+https://github.com/ggerganov/ggwave.git"
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},
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"keywords": [
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"data-over-sound",
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"fsk",
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"sound-library",
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"ultrasound",
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"ecc"
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],
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"author": "Georgi Gerganov",
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"license": "MIT",
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"bugs": {
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"url": "https://github.com/ggerganov/ggwave/issues"
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},
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"homepage": "https://github.com/ggerganov/ggwave#readme"
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}
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bindings/javascript/package.json
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bindings/javascript/package.json
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{
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"name": "ggwave",
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"version": "0.1.5",
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"description": "Tiny data-over-sound library",
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"main": "ggwave.js",
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"scripts": {
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"test": "echo \"todo: add tests\" && exit 0"
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},
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"repository": {
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"type": "git",
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"url": "git+https://github.com/ggerganov/ggwave.git"
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},
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"keywords": [
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"data-over-sound",
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"fsk",
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"sound-library",
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"ultrasound",
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"ecc"
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],
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"author": "Georgi Gerganov",
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"license": "MIT",
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"bugs": {
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"url": "https://github.com/ggerganov/ggwave/issues"
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},
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"homepage": "https://github.com/ggerganov/ggwave#readme"
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}
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