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folium-app
GitHub Repository: folium-app/Folium
 Path: blob/a-new-beginning/SharedDependencies/Sources/libchdr/include/flac.h
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/* license:BSD-3-Clause

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 * copyright-holders:Aaron Giles

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 ***************************************************************************

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    flac.h

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    FLAC compression wrappers

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***************************************************************************/

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#pragma once

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#ifndef __FLAC_H__

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#define __FLAC_H__

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#include <stdint.h>

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#include <FLAC/all.h>

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/***************************************************************************

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 *  TYPE DEFINITIONS

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 ***************************************************************************

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 */

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typedef struct _flac_decoder flac_decoder;

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struct _flac_decoder {

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		/* output state */

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	FLAC__StreamDecoder*	decoder;				/* actual encoder */

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	uint32_t                sample_rate;			/* decoded sample rate */

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	uint8_t                 channels;				/* decoded number of channels */

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	uint8_t                 bits_per_sample;		/* decoded bits per sample */

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	uint32_t                compressed_offset;		/* current offset in compressed data */

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	const FLAC__byte *      compressed_start;		/* start of compressed data */

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	uint32_t                compressed_length;		/* length of compressed data */

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	const FLAC__byte *      compressed2_start;		/* start of compressed data */

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	uint32_t                compressed2_length;		/* length of compressed data */

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	int16_t *               uncompressed_start[8];	/* pointer to start of uncompressed data (up to 8 streams) */

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	uint32_t                uncompressed_offset;	/* current position in uncompressed data */

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	uint32_t                uncompressed_length;	/* length of uncompressed data */

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	int                    	uncompressed_swap;		/* swap uncompressed sample data */

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	uint8_t                 custom_header[0x2a];	/* custom header */

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};

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/* ======================> flac_decoder */

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void 		flac_decoder_init(flac_decoder* decoder);

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void 		flac_decoder_free(flac_decoder* decoder);

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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);

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int 		flac_decoder_decode_interleaved(flac_decoder* decoder, int16_t *samples, uint32_t num_samples, int swap_endian);

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uint32_t 	flac_decoder_finish(flac_decoder* decoder);

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#endif /* __FLAC_H__ */

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