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heif: increase Maximum number of child boxes limit

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This commit is contained in:
Daniel Novomeský
2026-07-17 17:38:55 +02:00
parent ad0fb9dde4
commit a0825fe5cb
1 changed files with 5 additions and 0 deletions
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5
src/imageformats/heif.cpp
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@@ -828,6 +828,11 @@ bool HEIFHandler::ensureDecoder()
if (auto heif_limits = heif_context_get_security_limits(ctx)) {
heif_limits->max_image_size_pixels = quint64(HEIF_MAX_IMAGE_WIDTH) * HEIF_MAX_IMAGE_HEIGHT;
heif_limits->max_memory_block_size = quint64(QImageReader::allocationLimit()) * 1024 * 1024;
static constexpr uint32_t relaxed_childboxes_limit = 360;
if (heif_limits->max_children_per_box > 0 && heif_limits->max_children_per_box < relaxed_childboxes_limit) {
heif_limits->max_children_per_box = relaxed_childboxes_limit;
}
#if LIBHEIF_HAVE_VERSION(1, 20, 0)
heif_limits->max_total_memory = heif_limits->max_memory_block_size;
#endif