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LibAudio: Add spec comments to the FlacLoader

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This way the FlacLoader can be more easily understood by someone that
doesn't already know the format inside out.
This commit is contained in:
kleines Filmröllchen 2022-06-16 21:23:31 +02:00 • committed by Linus Groh
parent c03a0e7260
commit cb8e37d436
3 changed files with 68 additions and 13 deletions
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7
Userland/Libraries/LibAudio/FlacLoader.h
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@ -38,6 +38,13 @@ ALWAYS_INLINE ErrorOr<u64> read_utf8_char(BigEndianInputBitStream& input);
// decode a single number encoded with exponential golomb encoding of the specified order
ALWAYS_INLINE ErrorOr<i32> decode_unsigned_exp_golomb(u8 order, BigEndianInputBitStream& bit_input);
// Loader for the Free Lossless Audio Codec (FLAC)
// This loader supports all audio features of FLAC, although audio from more than two channels is discarded.
// The loader currently supports the STREAMINFO, PADDING, and SEEKTABLE metadata blocks.
// See: https://xiph.org/flac/documentation_format_overview.html
// https://xiph.org/flac/format.html (identical to IETF draft version 2)
// https://datatracker.ietf.org/doc/html/draft-ietf-cellar-flac-02 (all section numbers refer to this specification)
// https://datatracker.ietf.org/doc/html/draft-ietf-cellar-flac-03 (newer IETF draft that uses incompatible numberings and names)
class FlacLoaderPlugin : public LoaderPlugin {
public:
explicit FlacLoaderPlugin(StringView path);