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Ensure AVIF output is always 8-bit #3358

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Lovell Fuller
2022-09-14 13:33:47 +01:00
parent fbd4970b57
commit 28b87db760
3 changed files with 31 additions and 2 deletions
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6
src/pipeline.cc
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@@ -902,12 +902,13 @@ class PipelineWorker : public Napi::AsyncWorker {
} else if (baton->formatOut == "heif" ||
(baton->formatOut == "input" && inputImageType == sharp::ImageType::HEIF)) {
// Write HEIF to buffer
image = sharp::RemoveAnimationProperties(image);
image = sharp::RemoveAnimationProperties(image).cast(VIPS_FORMAT_UCHAR);
VipsArea *area = reinterpret_cast<VipsArea*>(image.heifsave_buffer(VImage::option()
->set("strip", !baton->withMetadata)
->set("Q", baton->heifQuality)
->set("compression", baton->heifCompression)
->set("effort", baton->heifEffort)
->set("bitdepth", 8)
->set("subsample_mode", baton->heifChromaSubsampling == "4:4:4"
? VIPS_FOREIGN_SUBSAMPLE_OFF : VIPS_FOREIGN_SUBSAMPLE_ON)
->set("lossless", baton->heifLossless)));
@@ -1073,12 +1074,13 @@ class PipelineWorker : public Napi::AsyncWorker {
} else if (baton->formatOut == "heif" || (mightMatchInput && isHeif) ||
(willMatchInput && inputImageType == sharp::ImageType::HEIF)) {
// Write HEIF to file
image = sharp::RemoveAnimationProperties(image);
image = sharp::RemoveAnimationProperties(image).cast(VIPS_FORMAT_UCHAR);
image.heifsave(const_cast<char*>(baton->fileOut.data()), VImage::option()
->set("strip", !baton->withMetadata)
->set("Q", baton->heifQuality)
->set("compression", baton->heifCompression)
->set("effort", baton->heifEffort)
->set("bitdepth", 8)
->set("subsample_mode", baton->heifChromaSubsampling == "4:4:4"
? VIPS_FOREIGN_SUBSAMPLE_OFF : VIPS_FOREIGN_SUBSAMPLE_ON)
->set("lossless", baton->heifLossless));