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/*
* Copyright (c) 2022, Lucas Chollet <lucas.chollet@free.fr>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/DeprecatedString.h>
#include <AK/Vector.h>
namespace Audio {
// 11.20. PICTURE_TYPE (in Flac specification)
enum class ID3PictureType : u32 {
Other = 0,
FileIcon = 1,
OtherFileIcon = 2,
FrontCover = 3,
BackCover = 4,
LeafletPage = 5,
Media = 6,
LeadArtist = 7,
Artist = 8,
Conductor = 9,
Band = 10,
Composer = 11,
Lyricist = 12,
RecordingLocation = 13,
DuringRecording = 14,
DuringPerformance = 15,
MovieScreenCapture = 16,
BrightColouredFish = 17,
Illustration = 18,
BandLogoType = 19,
PublisherLogoType = 20,
// others are reserved
};
// Note: This was first implemented for Flac but is compatible with ID3v2
struct PictureData {
ID3PictureType type {};
DeprecatedString mime_string {};
Vector<u32> description_string {};
u32 width {};
u32 height {};
u32 color_depth {};
u32 colors {};
Vector<u8> data;
};
// A generic sample seek point within a file.
struct SeekPoint {
u64 sample_index;
u64 byte_offset;
};
class SeekTable {
public:
Optional<SeekPoint const&> seek_point_before(u64 sample_index) const;
// Returns the distance between the closest two seek points around the sample index.
// The lower seek point may be exactly at the sample index, but the upper seek point must be after the sample index.
Optional<u64> seek_point_sample_distance_around(u64 sample_index) const;
size_t size() const;
ReadonlySpan<SeekPoint> seek_points() const;
ErrorOr<void> insert_seek_point(SeekPoint);
private:
// Invariant: The list of seek points is always sorted.
// This makes all operations, such as inserting and searching, faster.
Vector<SeekPoint> m_seek_points;
};
}
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