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Update libavif and libaom

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This commit is contained in:
Surma
2020-08-03 12:06:10 +01:00
committed by Ingvar Stepanyan
parent ee99cf6e0b
commit 7ffa45ba86
8 changed files with 251 additions and 115 deletions
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46
codecs/avif/enc/avif_enc.cpp
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@@ -1,6 +1,6 @@
#include "avif/avif.h"
#include <emscripten/bind.h>
#include <emscripten/val.h>
#include "avif/avif.h"
using namespace emscripten;
@@ -29,34 +29,38 @@ val encode(std::string buffer, int width, int height, AvifOptions options) {
int depth = 8;
avifPixelFormat format;
switch (options.subsample) {
case 0:
format = AVIF_PIXEL_FORMAT_YUV420;
break;
case 1:
format = AVIF_PIXEL_FORMAT_YUV422;
break;
case 2:
format = AVIF_PIXEL_FORMAT_YUV444;
break;
case 0:
format = AVIF_PIXEL_FORMAT_YUV420;
break;
case 1:
format = AVIF_PIXEL_FORMAT_YUV422;
break;
case 2:
format = AVIF_PIXEL_FORMAT_YUV444;
break;
}
avifImage *image = avifImageCreate(width, height, depth, format);
uint8_t *rgba = (uint8_t *)buffer.c_str();
avifImage* image = avifImageCreate(width, height, depth, format);
avifImageAllocatePlanes(image, AVIF_PLANES_RGB);
avifImageAllocatePlanes(image, AVIF_PLANES_A);
uint8_t* rgba = (uint8_t*)buffer.c_str();
avifRGBImage srcRGB;
avifRGBImageSetDefaults(&srcRGB, image);
avifRGBImageAllocatePixels(&srcRGB);
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
int pixelOffset = y * width + x;
image->rgbPlanes[0][pixelOffset] = rgba[pixelOffset * 4 + 0];
image->rgbPlanes[1][pixelOffset] = rgba[pixelOffset * 4 + 1];
image->rgbPlanes[2][pixelOffset] = rgba[pixelOffset * 4 + 2];
image->alphaPlane[pixelOffset] = rgba[pixelOffset * 4 + 3];
uint8_t* pixel = &srcRGB.pixels[(4 * x) + (srcRGB.rowBytes * y)];
pixel[0] = rgba[pixelOffset * 4 + 0];
pixel[1] = rgba[pixelOffset * 4 + 1];
pixel[2] = rgba[pixelOffset * 4 + 2];
pixel[3] = rgba[pixelOffset * 4 + 0];
}
}
avifImageRGBToYUV(image, &srcRGB);
avifEncoder *encoder = avifEncoderCreate();
avifEncoder* encoder = avifEncoderCreate();
encoder->maxThreads = 1;
encoder->minQuantizer = options.minQuantizer;
encoder->maxQuantizer = options.maxQuantizer;
@@ -72,7 +76,9 @@ val encode(std::string buffer, int width, int height, AvifOptions options) {
return val(typed_memory_view(output.size, output.data));
}
void free_result() { avifRWDataFree(&output); }
void free_result() {
avifRWDataFree(&output);
}
EMSCRIPTEN_BINDINGS(my_module) {
value_object<AvifOptions>("AvifOptions")