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Try out new flags for building only AVIF encoder/decoder

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See the discussion in https://github.com/AOMediaCodec/libavif/issues/254 where this was implemented.

This allows us to avoid using ERROR_ON_UNDEFINED_SYMBOLS and build a truly separate encoder/decoder libs.
This commit is contained in:
Ingvar Stepanyan
2020-10-30 22:53:56 +00:00
committed by Ingvar Stepanyan
parent cc6ea9e11c
commit f523db6403
9 changed files with 239 additions and 240 deletions
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9
codecs/avif/Makefile
View File

@@ -1,4 +1,4 @@
CODEC_URL = https://github.com/AOMediaCodec/libavif/archive/v0.8.1.tar.gz
CODEC_URL = https://github.com/AOMediaCodec/libavif/archive/31d7c6d1e32cf467ac24fb8c7a76c4902a4c00db.tar.gz
CODEC_PACKAGE = node_modules/libavif.tar.gz
LIBAOM_URL = https://aomedia.googlesource.com/aom/+archive/v2.0.0.tar.gz
@@ -35,7 +35,8 @@ $(OUT_ENC_JS): $(OUT_ENC_CPP) $(CODEC_PACKAGE) $(LIBAOM_DIR)/CMakeLists.txt
-DCONFIG_AV1_DECODER=0 \
-DCONFIG_MULTITHREAD=0 \
-DCONFIG_AV1_HIGHBITDEPTH=0 \
"
" \
LIBAVIF_FLAGS="-DAVIF_CODEC_AOM_DECODE=0"
$(OUT_ENC_MT_JS): $(OUT_ENC_CPP) $(CODEC_PACKAGE) $(LIBAOM_DIR)/CMakeLists.txt
$(MAKE) \
@@ -47,6 +48,7 @@ $(OUT_ENC_MT_JS): $(OUT_ENC_CPP) $(CODEC_PACKAGE) $(LIBAOM_DIR)/CMakeLists.txt
-DCONFIG_AV1_DECODER=0 \
-DCONFIG_AV1_HIGHBITDEPTH=0 \
" \
LIBAVIF_FLAGS="-DAVIF_CODEC_AOM_DECODE=0" \
OUT_FLAGS="-pthread"
$(OUT_DEC_JS): $(OUT_DEC_CPP) $(CODEC_PACKAGE) $(LIBAOM_DIR)/CMakeLists.txt
@@ -58,7 +60,8 @@ $(OUT_DEC_JS): $(OUT_DEC_CPP) $(CODEC_PACKAGE) $(LIBAOM_DIR)/CMakeLists.txt
LIBAOM_FLAGS="\
-DCONFIG_AV1_ENCODER=0 \
-DCONFIG_MULTITHREAD=0 \
"
" \
LIBAVIF_FLAGS="-DAVIF_CODEC_AOM_ENCODE=0"
$(CODEC_PACKAGE):
mkdir -p $(@D)

16
codecs/avif/dec/avif_dec.cpp
View File

@@ -8,15 +8,10 @@ thread_local const val Uint8ClampedArray = val::global("Uint8ClampedArray");
thread_local const val ImageData = val::global("ImageData");
val decode(std::string avifimage) {
// point raw.data and raw.size to the contents of an .avif(s)
avifROData raw = {
.data = (uint8_t*)avifimage.c_str(),
.size = avifimage.length()
};
avifImage* image = avifImageCreateEmpty();
avifDecoder* decoder = avifDecoderCreate();
avifResult decodeResult = avifDecoderRead(decoder, image, &raw);
avifResult decodeResult =
avifDecoderReadMemory(decoder, image, (uint8_t*)avifimage.c_str(), avifimage.length());
// image is an independent copy of decoded data, decoder may be destroyed here
avifDecoderDestroy(decoder);
@@ -25,7 +20,8 @@ val decode(std::string avifimage) {
if (decodeResult == AVIF_RESULT_OK) {
// Convert to interleaved RGB(A)/BGR(A) using a libavif-allocated buffer.
avifRGBImage rgb;
avifRGBImageSetDefaults(&rgb, image); // Defaults to AVIF_RGB_FORMAT_RGBA which is what we want.
avifRGBImageSetDefaults(&rgb,
image); // Defaults to AVIF_RGB_FORMAT_RGBA which is what we want.
rgb.depth = 8; // Does not need to match image->depth. We always want 8-bit pixels.
avifRGBImageAllocatePixels(&rgb);
@@ -33,7 +29,9 @@ val decode(std::string avifimage) {
// We want to create a *copy* of the decoded data to be owned by the JavaScript side.
// For that, we perform `new Uint8Array(wasmMemBuffer, wasmPtr, wasmSize).slice()`:
result = ImageData.new_(Uint8ClampedArray.new_(typed_memory_view(rgb.rowBytes * rgb.height, rgb.pixels)), rgb.width, rgb.height);
result = ImageData.new_(
Uint8ClampedArray.new_(typed_memory_view(rgb.rowBytes * rgb.height, rgb.pixels)), rgb.width,
rgb.height);
// Now we can safely free the RGB pixels:
avifRGBImageFreePixels(&rgb);

73
codecs/avif/dec/avif_dec.js
View File

@@ -11,52 +11,51 @@ var d;d||(d=typeof avif_dec !== 'undefined' ? avif_dec : {});var aa,ba;d.ready=n
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codecs/avif/dec/avif_dec.wasm
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144
codecs/avif/enc/avif_enc.js
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codecs/avif/enc/avif_enc.wasm
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233
codecs/avif/enc/avif_enc_mt.js
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@@ -7,140 +7,139 @@ function(avif_enc_mt) {
avif_enc_mt = avif_enc_mt || {};
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BIN
codecs/avif/enc/avif_enc_mt.wasm
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4
codecs/avif/helper.Makefile
View File

@@ -6,6 +6,7 @@
# $(OUT_JS)
# $(OUT_CPP)
# $(LIBAOM_FLAGS)
# $(LIBAVIF_FLAGS)
# $(CODEC_PACKAGE)
# $(LIBAOM_PACKAGE)
@@ -23,7 +24,6 @@ OUT_WORKER=$(OUT_JS:.js=.worker.js)
all: $(OUT_JS)
$(OUT_JS): $(OUT_CPP) $(LIBAOM_OUT) $(CODEC_OUT)
# ERROR_ON_UNDEFINED_SYMBOLS=0 is needed to separate the encoder and decoder
$(CXX) \
-I $(CODEC_DIR)/include \
$(CXXFLAGS) \
@@ -33,7 +33,6 @@ $(OUT_JS): $(OUT_CPP) $(LIBAOM_OUT) $(CODEC_OUT)
--closure 1 \
-s ALLOW_MEMORY_GROWTH=1 \
-s MODULARIZE=1 \
-s ERROR_ON_UNDEFINED_SYMBOLS=0 \
-s 'EXPORT_NAME="$(basename $(@F))"' \
-o $@ \
$+
@@ -45,6 +44,7 @@ $(CODEC_OUT): $(CODEC_DIR)/CMakeLists.txt $(LIBAOM_OUT)
-DAVIF_CODEC_AOM=1 \
-DAVIF_LOCAL_AOM=1 \
-DAVIF_CODEC_INCLUDES=$(abspath $(LIBAOM_DIR)) \
$(LIBAVIF_FLAGS) \
-B $(CODEC_BUILD_DIR) \
$(CODEC_DIR) && \
$(MAKE) -C $(CODEC_BUILD_DIR)