mirror of
https://github.com/RGBCube/serenity
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66c9696687
Currently, the `isobmff` utility will only print the media file type info from the FileTypeBox (major brand and compatible brands), as well as the names and sizes of top-level boxes.
117 lines
2.9 KiB
C++
117 lines
2.9 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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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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constexpr u32 fourcc_to_number(char const fourcc[4])
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{
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return AK::convert_between_host_and_big_endian((fourcc[0] << 24) | (fourcc[1] << 16) | (fourcc[2] << 8) | fourcc[3]);
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}
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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 = fourcc_to_number(#box_4cc),
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ENUMERATE_ALL()
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#undef ENUMERATE_ONE
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};
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static Optional<StringView> box_type_to_string(BoxType type)
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{
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switch (type) {
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#define ENUMERATE_ONE(box_name, box_4cc) \
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case BoxType::box_name: \
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return #box_name " ('" #box_4cc "')"sv;
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ENUMERATE_ALL()
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#undef ENUMERATE_ONE
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default:
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return {};
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}
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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 = fourcc_to_number(#brand_4cc),
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ENUMERATE_ALL()
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#undef ENUMERATE_ONE
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};
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static Optional<StringView> brand_identifier_to_string(BrandIdentifier type)
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{
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switch (type) {
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#define ENUMERATE_ONE(brand_4cc) \
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case BrandIdentifier::brand_4cc: \
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return #brand_4cc##sv;
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ENUMERATE_ALL()
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#undef ENUMERATE_ONE
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default:
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return {};
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}
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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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auto string = Gfx::ISOBMFF::box_type_to_string(box_type);
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if (string.has_value()) {
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return Formatter<FormatString>::format(builder, "{}"sv, string.release_value());
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}
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return Formatter<FormatString>::format(builder, "Unknown Box ('{}')"sv, StringView((char const*)&box_type, 4));
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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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auto string = Gfx::ISOBMFF::brand_identifier_to_string(brand_identifier);
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if (string.has_value()) {
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return Formatter<FormatString>::format(builder, "{}"sv, string.release_value());
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}
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return Formatter<FormatString>::format(builder, "{}"sv, StringView((char const*)&brand_identifier, 4));
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}
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};
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