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LibAudio: Use AllocatingMemoryStream as the MP3 loader bit reservoir

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This commit is contained in:
Tim Schumacher 2023-01-10 11:24:33 +01:00 • committed by Linus Groh
parent 52cb066cae
commit 5896f8cf2b
3 changed files with 36 additions and 45 deletions
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6
Userland/Libraries/LibAudio/MP3Loader.h
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@ -49,8 +49,8 @@ private:
ErrorOr<MP3::MP3Frame, LoaderError> read_next_frame();
ErrorOr<MP3::MP3Frame, LoaderError> read_frame_data(MP3::Header const&);
MaybeLoaderError read_side_information(MP3::MP3Frame&);
ErrorOr<size_t, LoaderError> read_scale_factors(MP3::MP3Frame&, InputBitStream& reservoir, size_t granule_index, size_t channel_index);
MaybeLoaderError read_huffman_data(MP3::MP3Frame&, InputBitStream& reservoir, size_t granule_index, size_t channel_index, size_t granule_bits_read);
ErrorOr<size_t, LoaderError> read_scale_factors(MP3::MP3Frame&, Core::Stream::BigEndianInputBitStream& reservoir, size_t granule_index, size_t channel_index);
MaybeLoaderError read_huffman_data(MP3::MP3Frame&, Core::Stream::BigEndianInputBitStream& reservoir, size_t granule_index, size_t channel_index, size_t granule_bits_read);
static AK::Array<float, 576> calculate_frame_exponents(MP3::MP3Frame const&, size_t granule_index, size_t channel_index);
static void reorder_samples(MP3::Granule&, u32 sample_rate);
static void reduce_alias(MP3::Granule&, size_t max_subband_index = 576);
@ -74,7 +74,7 @@ private:
AK::Optional<MP3::MP3Frame> m_current_frame;
u32 m_current_frame_read;
OwnPtr<Core::Stream::BigEndianInputBitStream> m_bitstream;
DuplexMemoryStream m_bit_reservoir;
Core::Stream::AllocatingMemoryStream m_bit_reservoir;
};
}