lsuToWav.cpp

/*
Copyright (c) 2015 Lee Thomason (Grinning Lizard)

This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.

Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:

1. The origin of this software must not be misrepresented; you must not
   claim that you wrote the original software. If you use this software
   in a product, an acknowledgement in the product documentation would be
   appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
   misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/


extern "C" {
#include "wave_writer.h"
};

#include <io.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <string>
#include <stdint.h>

int main(int argc, const char* argv[])
{
	_finddata_t fileInfo;
	memset(&fileInfo, 0, sizeof(fileInfo));

	intptr_t handle = _findfirst("*.lsu", &fileInfo);
	intptr_t result = 0;

	wave_writer_format format;
	format.num_channels = 1;
	format.sample_rate = 44100;
	format.sample_bits = 16;

	while (handle > 0 && result >= 0) {
		printf("%s -> ", fileInfo.name);

		// Get the 16 bit, signed, mono data.
		FILE* fp = fopen(fileInfo.name, "rb");
		if (!fp) {
			printf("\nError opening file %s\n", fileInfo.name);
			break;
		}

		fseek(fp, 0, SEEK_END);
		long size = ftell(fp);
		fseek(fp, 0, SEEK_SET);

		uint8_t* mem = new uint8_t[size];
		fread(mem, size, 1, fp);
		fclose(fp);

		// Create the WAV file.
		std::string fname(fileInfo.name);
		fname = fname.substr(0, fname.size()-4);
		fname.append(".wav");
		printf("%s\n", fname.c_str());

		wave_writer_error error;
		wave_writer* pWriter = wave_writer_open(fname.c_str(), &format, &error);
		if (!error) {
			printf("\nError opening file %s\n", fname.c_str());
			break;
		}
		wave_writer_put_samples(pWriter, size / 2, mem);
		delete[] mem;

		wave_writer_close(pWriter, &error);
		if (!error) {
			printf("\nError writing file %s\n", fname.c_str());
			break;
		}

		result = _findnext(handle, &fileInfo);
	}
	if (handle > 0) {
		_findclose(handle);
	}
	return 0;
}