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LibGfx/ISOBMFF: Add JPEG2000UUIDListBox

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Nico Weber 2024-03-22 15:30:49 -04:00 committed by Tim Schumacher
parent 4a95e55fb3
commit f372a9b346
Notes: sideshowbarker 2024-07-16 22:24:48 +09:00 
Author: https://github.com/nico
Commit: https://github.com/SerenityOS/serenity/commit/f372a9b346
Pull-request: https://github.com/SerenityOS/serenity/pull/23682
Reviewed-by: https://github.com/LucasChollet
Reviewed-by: https://github.com/Zaggy1024
Reviewed-by: https://github.com/timschumi ✅
2 changed files with 33 additions and 1 deletions
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26
Userland/Libraries/LibGfx/ImageFormats/ISOBMFF/JPEG2000Boxes.cpp
View File

@ -141,8 +141,10 @@ void JPEG2000SignatureBox::dump(String const& prepend) const
ErrorOr<void> JPEG2000UUIDInfoBox::read_from_stream(BoxStream& stream)
{
auto make_subbox = [](BoxType type, BoxStream&) -> ErrorOr<Optional<NonnullOwnPtr<Box>>> {
auto make_subbox = [](BoxType type, BoxStream& stream) -> ErrorOr<Optional<NonnullOwnPtr<Box>>> {
switch (type) {
case BoxType::JPEG2000UUIDListBox:
return TRY(JPEG2000UUIDListBox::create_from_stream(stream));
default:
return OptionalNone {};
}
@ -157,5 +159,27 @@ void JPEG2000UUIDInfoBox::dump(String const& prepend) const
SuperBox::dump(prepend);
}
ErrorOr<void> JPEG2000UUIDListBox::read_from_stream(BoxStream& stream)
{
u16 count = TRY(stream.read_value<BigEndian<u16>>());
for (u32 i = 0; i < count; ++i) {
Array<u8, 16> uuid;
TRY(stream.read_until_filled(uuid));
uuids.append(uuid);
}
return {};
}
void JPEG2000UUIDListBox::dump(String const& prepend) const
{
Box::dump(prepend);
for (auto const& uuid : uuids) {
out("{}- ", prepend);
for (auto byte : uuid) {
out("{:02x}", byte);
}
outln();
}
}
}

8
Userland/Libraries/LibGfx/ImageFormats/ISOBMFF/JPEG2000Boxes.h
View File

@ -61,8 +61,16 @@ struct JPEG2000SignatureBox final : public Box {
u32 signature { 0 };
};
// I.7.3 UUID Info boxes (superbox)
struct JPEG2000UUIDInfoBox final : public SuperBox {
BOX_SUBTYPE(JPEG2000UUIDInfoBox);
};
// I.7.3.1 UUID List box
struct JPEG2000UUIDListBox final : public Box {
BOX_SUBTYPE(JPEG2000UUIDListBox);
Vector<Array<u8, 16>> uuids;
};
}