mirror of
https://github.com/LadybirdBrowser/ladybird
synced 2026-05-05 06:32:30 +02:00
54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
/*
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* Copyright (c) 2023, Gregory Bertilson <Zaggy1024@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "Reader.h"
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#include "JPEG2000Boxes.h"
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#include <AK/Function.h>
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namespace Gfx::ISOBMFF {
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ErrorOr<Reader> Reader::create(MaybeOwned<SeekableStream> stream)
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{
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size_t size = TRY(stream->size());
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return Reader(make<BoxStream>(move(stream), size));
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}
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ErrorOr<Reader> Reader::create(MaybeOwned<BoxStream> stream)
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{
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return Reader(move(stream));
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}
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ErrorOr<BoxList> Reader::read_entire_file()
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{
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BoxList top_level_boxes;
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while (!m_box_stream->is_eof()) {
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auto box_header = TRY(read_box_header(*m_box_stream));
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BoxStream box_stream { MaybeOwned<Stream> { *m_box_stream }, static_cast<size_t>(box_header.contents_size) };
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switch (box_header.type) {
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case BoxType::FileTypeBox:
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TRY(top_level_boxes.try_append(TRY(FileTypeBox::create_from_stream(box_stream))));
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break;
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case BoxType::JPEG2000HeaderBox:
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TRY(top_level_boxes.try_append(TRY(JPEG2000HeaderBox::create_from_stream(box_stream))));
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break;
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case BoxType::JPEG2000SignatureBox:
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TRY(top_level_boxes.try_append(TRY(JPEG2000SignatureBox::create_from_stream(box_stream))));
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break;
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default:
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TRY(top_level_boxes.try_append(TRY(UnknownBox::create_from_stream(box_header.type, box_stream))));
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break;
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}
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if (!box_stream.is_eof())
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return Error::from_string_literal("Reader did not consume all data");
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}
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return top_level_boxes;
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}
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}
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