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LibAudio: Port the MP3 plugin to Core::Stream

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This commit is contained in:
Lucas CHOLLET 2022-10-13 14:59:06 +02:00 • committed by Linus Groh
parent 597a614ce6
commit bb17ee8397
2 changed files with 53 additions and 108 deletions
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13
Userland/Libraries/LibAudio/MP3Loader.h
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@ -10,7 +10,8 @@
#include "MP3Types.h"
#include <AK/MemoryStream.h>
#include <AK/Tuple.h>
#include <LibCore/FileStream.h>
#include <LibCore/InputBitStream.h>
#include <LibCore/Stream.h>
#include <LibDSP/MDCT.h>
namespace Audio {
@ -22,7 +23,7 @@ struct ScaleFactorBand;
class MP3LoaderPlugin : public LoaderPlugin {
public:
explicit MP3LoaderPlugin(StringView path);
~MP3LoaderPlugin();
virtual ~MP3LoaderPlugin() = default;
virtual MaybeLoaderError initialize() override;
virtual LoaderSamples get_more_samples(size_t max_bytes_to_read_from_input = 128 * KiB) override;
@ -63,18 +64,16 @@ private:
u32 m_sample_rate { 0 };
u8 m_num_channels { 0 };
PcmSampleFormat m_sample_format { PcmSampleFormat::Int16 };
size_t m_file_size { 0 };
int m_total_samples { 0 };
size_t m_loaded_samples { 0 };
bool m_is_first_frame { true };
AK::Optional<MP3::MP3Frame> m_current_frame;
u32 m_current_frame_read;
RefPtr<Core::File> m_file;
OwnPtr<Core::InputFileStream> m_input_stream;
OwnPtr<InputBitStream> m_bitstream;
StringView m_path;
OwnPtr<Core::Stream::SeekableStream> m_stream;
OwnPtr<Core::Stream::BigEndianInputBitStream> m_bitstream;
DuplexMemoryStream m_bit_reservoir;
Optional<LoaderError> m_error {};
};
}