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Limit HEIF output dimensions to 16384x16384

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This is a slightly breaking change to sync with the behaviour of a
forthcoming libvips patch release. It also matches the libavif
limit. Having an arbitrary limit is safer than no limit.
This commit is contained in:
Lovell Fuller
2023-07-10 10:24:12 +01:00
parent d2f0fa855b
commit 5522060e9e
4 changed files with 22 additions and 0 deletions
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4
src/common.cc
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@@ -669,6 +669,10 @@ namespace sharp {
if (image.width() > 65535 || height > 65535) {
throw vips::VError("Processed image is too large for the GIF format");
}
} else if (imageType == ImageType::HEIF) {
if (image.width() > 16384 || height > 16384) {
throw vips::VError("Processed image is too large for the HEIF format");
}
}
}

2
src/pipeline.cc
View File

@@ -941,6 +941,7 @@ class PipelineWorker : public Napi::AsyncWorker {
} else if (baton->formatOut == "heif" ||
(baton->formatOut == "input" && inputImageType == sharp::ImageType::HEIF)) {
// Write HEIF to buffer
sharp::AssertImageTypeDimensions(image, sharp::ImageType::HEIF);
image = sharp::RemoveAnimationProperties(image).cast(VIPS_FORMAT_UCHAR);
VipsArea *area = reinterpret_cast<VipsArea*>(image.heifsave_buffer(VImage::option()
->set("strip", !baton->withMetadata)
@@ -1130,6 +1131,7 @@ class PipelineWorker : public Napi::AsyncWorker {
} else if (baton->formatOut == "heif" || (mightMatchInput && isHeif) ||
(willMatchInput && inputImageType == sharp::ImageType::HEIF)) {
// Write HEIF to file
sharp::AssertImageTypeDimensions(image, sharp::ImageType::HEIF);
image = sharp::RemoveAnimationProperties(image).cast(VIPS_FORMAT_UCHAR);
image.heifsave(const_cast<char*>(baton->fileOut.data()), VImage::option()
->set("strip", !baton->withMetadata)