crown-engine/tools/compilers/wav/WAVCompiler.h

/*
Copyright (c) 2013 Daniele Bartolini, Michele Rossi
Copyright (c) 2012 Daniele Bartolini, Simone Boscaratto

Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without
restriction, including without limitation the rights to use,
copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following
conditions:

The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
*/

#pragma once

#include <cstdio>

#include "Compiler.h"
#include "SoundFormat.h"


namespace crown
{

struct WAVHeader
{
	char 		riff[4];				// Should contains 'RIFF'
	int32_t		chunk_size;				// Not Needed
	char 		wave[4];				// Should contains 'WAVE'
	char 		fmt[4];					// Should contains 'fmt '
	int32_t		fmt_size;				// Size of format chunk
	int16_t		fmt_tag;				// Identifies way data is stored, 1 means no compression
	int16_t		fmt_channels;			// Channel, 1 means mono, 2 means stereo
	int32_t		fmt_sample_rate;		// Sample per second
	int32_t		fmt_avarage;			// Not needed, here for completness
	int16_t		fmt_block_align;		// Block alignment
	int16_t		fmt_bits_per_sample;	// Number of bits per sample
	char 		data[4];				// Should contains 'data'
	int32_t		data_size;				// Data dimension
};

class WAVCompiler : public Compiler
{
public:

					WAVCompiler();
					~WAVCompiler();

	size_t			compile_impl(const char* resource_path);
	void			write_impl(std::fstream& out_file);

private:

	WAVHeader		m_wav_header;

	SoundHeader		m_sound_header;
	size_t			m_sound_data_size;
	uint8_t*		m_sound_data;
};

} // namespace crown