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/*
* Copyright (c) 2020, William McPherson <willmcpherson2@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/DeprecatedString.h>
#include <AK/Noncopyable.h>
#include <AK/RefPtr.h>
#include <AK/StringView.h>
#include <LibAudio/Sample.h>
#include <LibCore/DeprecatedFile.h>
#include <LibCore/Forward.h>
namespace Audio {
class WavWriter {
AK_MAKE_NONCOPYABLE(WavWriter);
AK_MAKE_NONMOVABLE(WavWriter);
public:
WavWriter(StringView path, int sample_rate = 44100, u16 num_channels = 2, u16 bits_per_sample = 16);
WavWriter(int sample_rate = 44100, u16 num_channels = 2, u16 bits_per_sample = 16);
~WavWriter();
bool has_error() const { return !m_error_string.is_null(); }
char const* error_string() const { return m_error_string.characters(); }
void write_samples(Span<Sample> samples);
void finalize(); // You can finalize manually or let the destructor do it.
u32 sample_rate() const { return m_sample_rate; }
u16 num_channels() const { return m_num_channels; }
u16 bits_per_sample() const { return m_bits_per_sample; }
RefPtr<Core::DeprecatedFile> file() const { return m_file; }
void set_file(StringView path);
void set_num_channels(int num_channels) { m_num_channels = num_channels; }
void set_sample_rate(int sample_rate) { m_sample_rate = sample_rate; }
void set_bits_per_sample(int bits_per_sample) { m_bits_per_sample = bits_per_sample; }
void clear_error() { m_error_string = DeprecatedString(); }
private:
void write_header();
RefPtr<Core::DeprecatedFile> m_file;
DeprecatedString m_error_string;
bool m_finalized { false };
u32 m_sample_rate;
u16 m_num_channels;
u16 m_bits_per_sample;
u32 m_data_sz { 0 };
};
}
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