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LibAudio: Factorize stream initialisation to base class LoaderPlugin

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All actual plugins follow the same logic to initialize their stream,
this commit factorizes all of this to their base class: `LoaderPlugin`.
This commit is contained in:
Lucas CHOLLET 2022-10-13 16:05:57 +02:00 • committed by Linus Groh
parent 754b129f4a
commit c837a1a8de
10 changed files with 42 additions and 31 deletions
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6
Userland/Libraries/LibAudio/FlacLoader.h
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@ -48,7 +48,7 @@ ALWAYS_INLINE ErrorOr<i32> decode_unsigned_exp_golomb(u8 order, BigEndianInputBi
class FlacLoaderPlugin : public LoaderPlugin {
public:
explicit FlacLoaderPlugin(StringView path);
explicit FlacLoaderPlugin(Bytes& buffer);
explicit FlacLoaderPlugin(Bytes buffer);
~FlacLoaderPlugin()
{
}
@ -95,8 +95,6 @@ private:
ALWAYS_INLINE ErrorOr<u32, LoaderError> convert_sample_rate_code(u8 sample_rate_code);
ALWAYS_INLINE ErrorOr<PcmSampleFormat, LoaderError> convert_bit_depth_code(u8 bit_depth_code);
StringView m_path;
// Data obtained directly from the FLAC metadata: many values have specific bit counts
u32 m_sample_rate { 0 }; // 20 bit
u8 m_num_channels { 0 }; // 3 bit
@ -113,8 +111,6 @@ private:
// keep track of the start of the data in the FLAC stream to seek back more easily
u64 m_data_start_location { 0 };
OwnPtr<Core::Stream::SeekableStream> m_stream;
Optional<Bytes> m_backing_memory;
Optional<FlacFrameHeader> m_current_frame;
// Whatever the last get_more_samples() call couldn't return gets stored here.
Vector<Sample, FLAC_BUFFER_SIZE> m_unread_data;