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eb305c6974
RIFF ChunkID can (and should) be used as "just" a FourCC type, which simplifies this code greatly.
83 lines
2.1 KiB
C++
83 lines
2.1 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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#pragma once
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#include <AK/Endian.h>
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#include <AK/Types.h>
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#include <LibRIFF/ChunkID.h>
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namespace Gfx::ISOBMFF {
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// Define all Box types:
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#define ENUMERATE_ALL() \
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ENUMERATE_ONE(FileTypeBox, ftyp) \
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ENUMERATE_ONE(MetaBox, meta) \
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ENUMERATE_ONE(MovieBox, moov) \
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ENUMERATE_ONE(MediaDataBox, mdat) \
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ENUMERATE_ONE(FreeBox, free)
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enum class BoxType : u32 {
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None = 0,
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#define ENUMERATE_ONE(box_name, box_4cc) box_name = RIFF::ChunkID(#box_4cc).as_big_endian_number(),
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ENUMERATE_ALL()
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#undef ENUMERATE_ONE
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};
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static bool is_valid_box_type(BoxType type)
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{
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return (
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#define ENUMERATE_ONE(box_name, _) type == BoxType::box_name ||
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ENUMERATE_ALL()
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#undef ENUMERATE_ONE
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false);
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}
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#undef ENUMERATE_ALL
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// Define all FileTypeBox brand identifiers:
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#define ENUMERATE_ALL() \
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ENUMERATE_ONE(iso8) \
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ENUMERATE_ONE(avif) \
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ENUMERATE_ONE(avis) \
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ENUMERATE_ONE(mif1) \
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ENUMERATE_ONE(msf1) \
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ENUMERATE_ONE(miaf) \
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ENUMERATE_ONE(MA1A)
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enum class BrandIdentifier : u32 {
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None = 0,
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#define ENUMERATE_ONE(brand_4cc) brand_4cc = RIFF::ChunkID(#brand_4cc).as_big_endian_number(),
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ENUMERATE_ALL()
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#undef ENUMERATE_ONE
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};
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#undef ENUMERATE_ALL
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}
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template<>
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struct AK::Formatter<Gfx::ISOBMFF::BoxType> : Formatter<FormatString> {
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ErrorOr<void> format(FormatBuilder& builder, Gfx::ISOBMFF::BoxType const& box_type)
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{
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StringView format_string = Gfx::ISOBMFF::is_valid_box_type(box_type) ? "('{}')"sv : "Unknown Box ('{}')"sv;
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return Formatter<FormatString>::format(builder, format_string, RIFF::ChunkID::from_big_endian_number(to_underlying(box_type)));
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}
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};
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template<>
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struct AK::Formatter<Gfx::ISOBMFF::BrandIdentifier> : Formatter<FormatString> {
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ErrorOr<void> format(FormatBuilder& builder, Gfx::ISOBMFF::BrandIdentifier const& brand_identifier)
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{
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return Formatter<FormatString>::format(builder, "{}"sv, RIFF::ChunkID::from_big_endian_number(to_underlying(brand_identifier)));
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}
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};
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