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First compiling encoder

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Surma
2021-05-13 20:09:15 +01:00
parent ff9dea465f
commit 4dd2296eaf
6 changed files with 3326 additions and 0 deletions
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61
codecs/basis/enc/basis_enc.cpp Normal file
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#include <emscripten/bind.h>
#include <emscripten/val.h>
#include <inttypes.h>
#include "basisu_comp.h"
#include "basisu_enc.h"
using namespace emscripten;
using namespace basisu;
thread_local const val Uint8Array = val::global("Uint8Array");
val encode(std::string image_in, int image_width, int image_height/*, MozJpegOptions opts*/) {
basis_compressor_params params;
basis_compressor compressor;
image img = image(reinterpret_cast<const uint8_t*>(image_in.c_str()), image_width, image_height, 4);
// We don’t need the encoder to read/decode files from the filesystem
params.m_read_source_images = false;
// Writing is unnecessary, too
params.m_read_source_images = false;
// Generate .basis file
params.m_uastc = true;
params.m_compression_level = 2; /* 0-4 */
params.m_source_images.push_back(img);
if(!compressor.init(params)) {
return val(std::string("Well something went wrong during init"));
}
if(compressor.process() != 0) {
return val(std::string("Well something went wrong during processing"));
}
auto comp_data = compressor.get_output_basis_file();
auto js_result = Uint8Array.new_(typed_memory_view(comp_data.size(), &comp_data[0]));
// Not sure if there is anything to free here
return js_result;
}
EMSCRIPTEN_BINDINGS(my_module) {
// value_object<MozJpegOptions>("MozJpegOptions")
// .field("quality", &MozJpegOptions::quality)
// .field("baseline", &MozJpegOptions::baseline)
// .field("arithmetic", &MozJpegOptions::arithmetic)
// .field("progressive", &MozJpegOptions::progressive)
// .field("optimize_coding", &MozJpegOptions::optimize_coding)
// .field("smoothing", &MozJpegOptions::smoothing)
// .field("color_space", &MozJpegOptions::color_space)
// .field("quant_table", &MozJpegOptions::quant_table)
// .field("trellis_multipass", &MozJpegOptions::trellis_multipass)
// .field("trellis_opt_zero", &MozJpegOptions::trellis_opt_zero)
// .field("trellis_opt_table", &MozJpegOptions::trellis_opt_table)
// .field("trellis_loops", &MozJpegOptions::trellis_loops)
// .field("chroma_subsample", &MozJpegOptions::chroma_subsample)
// .field("auto_subsample", &MozJpegOptions::auto_subsample)
// .field("separate_chroma_quality", &MozJpegOptions::separate_chroma_quality)
// .field("chroma_quality", &MozJpegOptions::chroma_quality);
function("encode", &encode);
}