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/*
* Copyright (c) 2020-2020, William McPherson <willmcpherson2@gmail.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/StringView.h>
#include <LibCore/File.h>
namespace Audio {
class WavWriter {
public:
WavWriter(const StringView& path, int sample_rate = 44100, int num_channels = 2, int bits_per_sample = 16);
WavWriter(int sample_rate = 44100, int num_channels = 2, int bits_per_sample = 16);
~WavWriter();
bool has_error() const { return !m_error_string.is_null(); }
const char* error_string() const { return m_error_string.characters(); }
void write_samples(const u8* samples, size_t size);
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::File> file() const { return m_file; }
void set_file(const 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 = String(); }
private:
void write_header();
RefPtr<Core::File> m_file;
String 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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