ac9907ee61
Renamed "Position" to "Elapsed". "channel/channels" automatically changes now when more than one channel exist. The current file name is now displayed in the window title.
47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
#pragma once
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#include <AK/String.h>
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#include <AK/RefPtr.h>
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#include <AK/StringView.h>
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#include <LibCore/CFile.h>
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#include <LibAudio/ABuffer.h>
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class ABuffer;
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namespace AK {
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class ByteBuffer;
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}
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// Parses a WAV file and produces an ABuffer instance from it
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class AWavLoader {
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public:
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explicit AWavLoader(const StringView& path);
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bool has_error() const { return !m_error_string.is_null(); }
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const char* error_string() { return m_error_string.characters(); }
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RefPtr<ABuffer> get_more_samples(size_t max_bytes_to_read_from_input = 128 * KB);
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void reset();
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void seek(const int position);
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int loaded_samples() const { return m_loaded_samples; }
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int total_samples() const { return m_total_samples; }
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u32 sample_rate() const { return m_sample_rate; }
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u16 num_channels() const { return m_num_channels; }
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u16 bits_per_sample() const { return m_bits_per_sample; }
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RefPtr<CFile> file() const { return m_file; }
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private:
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bool parse_header();
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RefPtr<CFile> m_file;
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String m_error_string;
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OwnPtr<AResampleHelper> m_resampler;
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u32 m_sample_rate { 0 };
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u16 m_num_channels { 0 };
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u16 m_bits_per_sample { 0 };
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int m_loaded_samples { 0 };
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int m_total_samples { 0 };
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};
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