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Add skeleton for sharp downsampling param

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This commit is contained in:
robo-mop
2023-10-23 16:02:51 +05:30
parent 625eee2df3
commit 1b3f791723
13 changed files with 38 additions and 9 deletions
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12
codecs/avif/enc/avif_enc.cpp
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@@ -42,6 +42,8 @@ struct AvifOptions {
int tune;
// 0-50
int denoiseLevel;
// toggles AVIF_CHROMA_DOWNSAMPLING_SHARP_YUV
bool enableSharpDownsampling;
};
thread_local const val Uint8Array = val::global("Uint8Array");
@@ -86,7 +88,14 @@ val encode(std::string buffer, int width, int height, AvifOptions options) {
avifRGBImageSetDefaults(&srcRGB, image);
srcRGB.pixels = rgba;
srcRGB.rowBytes = width * 4;
if (options.enableSharpDownsampling) {
printf("Enabling AVIF_CHROMA_DOWNSAMPLING_SHARP_YUV\n");
srcRGB.chromaDownsampling = AVIF_CHROMA_DOWNSAMPLING_SHARP_YUV;
}
status = avifImageRGBToYUV(image, &srcRGB);
if (status == AVIF_RESULT_NOT_IMPLEMENTED) {
printf("libsharpyuv not implemented methinks\n");
}
RETURN_NULL_IF_NOT_EQUALS(status, AVIF_RESULT_OK);
avifEncoder* encoder = avifEncoderCreate();
@@ -152,7 +161,8 @@ EMSCRIPTEN_BINDINGS(my_module) {
.field("sharpness", &AvifOptions::sharpness)
.field("tune", &AvifOptions::tune)
.field("denoiseLevel", &AvifOptions::denoiseLevel)
.field("subsample", &AvifOptions::subsample);
.field("subsample", &AvifOptions::subsample)
.field("enableSharpDownsampling", &AvifOptions::enableSharpDownsampling);
function("encode", &encode);
}