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dep: Add libchdr

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Connor McLaughlin
2020-01-30 15:49:04 +10:00
parent 7fc6c77015
commit b5901fa190
20 changed files with 5397 additions and 0 deletions
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51
dep/libchdr/include/libchdr/flac.h Normal file
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/* license:BSD-3-Clause
* copyright-holders:Aaron Giles
***************************************************************************
flac.h
FLAC compression wrappers
***************************************************************************/
#pragma once
#ifndef __FLAC_H__
#define __FLAC_H__
#include <stdint.h>
#include "FLAC/all.h"
/***************************************************************************
* TYPE DEFINITIONS
***************************************************************************
*/
typedef struct _flac_decoder flac_decoder;
struct _flac_decoder {
/* output state */
FLAC__StreamDecoder* decoder; /* actual encoder */
uint32_t sample_rate; /* decoded sample rate */
uint8_t channels; /* decoded number of channels */
uint8_t bits_per_sample; /* decoded bits per sample */
uint32_t compressed_offset; /* current offset in compressed data */
const FLAC__byte * compressed_start; /* start of compressed data */
uint32_t compressed_length; /* length of compressed data */
const FLAC__byte * compressed2_start; /* start of compressed data */
uint32_t compressed2_length; /* length of compressed data */
int16_t * uncompressed_start[8]; /* pointer to start of uncompressed data (up to 8 streams) */
uint32_t uncompressed_offset; /* current position in uncompressed data */
uint32_t uncompressed_length; /* length of uncompressed data */
int uncompressed_swap; /* swap uncompressed sample data */
uint8_t custom_header[0x2a]; /* custom header */
};
/* ======================> flac_decoder */
void flac_decoder_init(flac_decoder* decoder);
void flac_decoder_free(flac_decoder* decoder);
int flac_decoder_reset(flac_decoder* decoder, uint32_t sample_rate, uint8_t num_channels, uint32_t block_size, const void *buffer, uint32_t length);
int flac_decoder_decode_interleaved(flac_decoder* decoder, int16_t *samples, uint32_t num_samples, int swap_endian);
uint32_t flac_decoder_finish(flac_decoder* decoder);
#endif /* __FLAC_H__ */