mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-10-01 01:26:06 -04:00
54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
/*
|
|
* Copyright (C) 2016 Jared Boone, ShareBrained Technology, Inc.
|
|
*
|
|
* This file is part of PortaPack.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2, or (at your option)
|
|
* any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; see the file COPYING. If not, write to
|
|
* the Free Software Foundation, Inc., 51 Franklin Street,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include "io_wave.hpp"
|
|
|
|
Optional<File::Error> WAVFileWriter::create(
|
|
const std::filesystem::path& filename,
|
|
size_t sampling_rate
|
|
) {
|
|
sampling_rate = sampling_rate;
|
|
const auto create_error = FileWriter::create(filename);
|
|
if( create_error.is_valid() ) {
|
|
return create_error;
|
|
} else {
|
|
return update_header();
|
|
}
|
|
}
|
|
|
|
Optional<File::Error> WAVFileWriter::update_header() {
|
|
header_t header { sampling_rate, bytes_written };
|
|
const auto seek_0_result = file.seek(0);
|
|
if( seek_0_result.is_error() ) {
|
|
return seek_0_result.error();
|
|
}
|
|
const auto old_position = seek_0_result.value();
|
|
const auto write_result = file.write(&header, sizeof(header));
|
|
if( write_result.is_error() ) {
|
|
return write_result.error();
|
|
}
|
|
const auto seek_old_result = file.seek(old_position);
|
|
if( seek_old_result.is_error() ) {
|
|
return seek_old_result.error();
|
|
}
|
|
return { };
|
|
}
|