2001-02-08 00:38:41 +00:00
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/* libFLAC - Free Lossless Audio Codec library
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2001-01-16 20:17:53 +00:00
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* Copyright (C) 2000,2001 Josh Coalson
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2000-12-10 04:09:52 +00:00
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef FLAC__PRIVATE__BITBUFFER_H
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#define FLAC__PRIVATE__BITBUFFER_H
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#include <stdio.h> /* for FILE */
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#include "FLAC/ordinals.h"
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typedef struct {
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byte *buffer;
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unsigned capacity; /* in bytes */
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unsigned bytes, bits;
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unsigned total_bits; /* must always == 8*bytes+bits */
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unsigned consumed_bytes, consumed_bits;
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unsigned total_consumed_bits; /* must always == 8*consumed_bytes+consumed_bits */
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2001-03-27 01:16:42 +00:00
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uint16 read_crc16;
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2000-12-10 04:09:52 +00:00
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} FLAC__BitBuffer;
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void FLAC__bitbuffer_init(FLAC__BitBuffer *bb);
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bool FLAC__bitbuffer_init_from(FLAC__BitBuffer *bb, const byte buffer[], unsigned bytes);
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2001-03-27 01:16:42 +00:00
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void FLAC__bitbuffer_init_read_crc16(FLAC__BitBuffer *bb, uint16 seed);
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2000-12-10 04:09:52 +00:00
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bool FLAC__bitbuffer_concatenate_aligned(FLAC__BitBuffer *dest, const FLAC__BitBuffer *src);
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void FLAC__bitbuffer_free(FLAC__BitBuffer *bb); /* does not 'free(buffer)' */
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bool FLAC__bitbuffer_clear(FLAC__BitBuffer *bb);
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bool FLAC__bitbuffer_clone(FLAC__BitBuffer *dest, const FLAC__BitBuffer *src);
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bool FLAC__bitbuffer_write_zeroes(FLAC__BitBuffer *bb, unsigned bits);
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bool FLAC__bitbuffer_write_raw_uint32(FLAC__BitBuffer *bb, uint32 val, unsigned bits);
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bool FLAC__bitbuffer_write_raw_int32(FLAC__BitBuffer *bb, int32 val, unsigned bits);
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bool FLAC__bitbuffer_write_raw_uint64(FLAC__BitBuffer *bb, uint64 val, unsigned bits);
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bool FLAC__bitbuffer_write_raw_int64(FLAC__BitBuffer *bb, int64 val, unsigned bits);
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2001-03-27 01:16:42 +00:00
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bool FLAC__bitbuffer_write_unary_unsigned(FLAC__BitBuffer *bb, unsigned val);
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2001-01-06 01:24:22 +00:00
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unsigned FLAC__bitbuffer_rice_bits(int val, unsigned parameter);
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unsigned FLAC__bitbuffer_golomb_bits_signed(int val, unsigned parameter);
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unsigned FLAC__bitbuffer_golomb_bits_unsigned(unsigned val, unsigned parameter);
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2001-03-17 00:13:09 +00:00
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bool FLAC__bitbuffer_write_symmetric_rice_signed(FLAC__BitBuffer *bb, int val, unsigned parameter);
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bool FLAC__bitbuffer_write_symmetric_rice_signed_guarded(FLAC__BitBuffer *bb, int val, unsigned parameter, unsigned max_bits, bool *overflow);
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2001-03-21 22:53:02 +00:00
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bool FLAC__bitbuffer_write_symmetric_rice_signed_escape(FLAC__BitBuffer *bb, int val, unsigned parameter);
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2000-12-10 04:09:52 +00:00
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bool FLAC__bitbuffer_write_rice_signed(FLAC__BitBuffer *bb, int val, unsigned parameter);
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bool FLAC__bitbuffer_write_rice_signed_guarded(FLAC__BitBuffer *bb, int val, unsigned parameter, unsigned max_bits, bool *overflow);
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2001-01-06 01:24:22 +00:00
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bool FLAC__bitbuffer_write_golomb_signed(FLAC__BitBuffer *bb, int val, unsigned parameter);
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bool FLAC__bitbuffer_write_golomb_signed_guarded(FLAC__BitBuffer *bb, int val, unsigned parameter, unsigned max_bits, bool *overflow);
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bool FLAC__bitbuffer_write_golomb_unsigned(FLAC__BitBuffer *bb, unsigned val, unsigned parameter);
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bool FLAC__bitbuffer_write_golomb_unsigned_guarded(FLAC__BitBuffer *bb, unsigned val, unsigned parameter, unsigned max_bits, bool *overflow);
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2000-12-10 04:09:52 +00:00
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bool FLAC__bitbuffer_write_utf8_uint32(FLAC__BitBuffer *bb, uint32 val);
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bool FLAC__bitbuffer_write_utf8_uint64(FLAC__BitBuffer *bb, uint64 val);
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bool FLAC__bitbuffer_zero_pad_to_byte_boundary(FLAC__BitBuffer *bb);
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bool FLAC__bitbuffer_peek_bit(FLAC__BitBuffer *bb, unsigned *val, bool (*read_callback)(byte buffer[], unsigned *bytes, void *client_data), void *client_data);
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bool FLAC__bitbuffer_read_bit(FLAC__BitBuffer *bb, unsigned *val, bool (*read_callback)(byte buffer[], unsigned *bytes, void *client_data), void *client_data);
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bool FLAC__bitbuffer_read_bit_to_uint32(FLAC__BitBuffer *bb, uint32 *val, bool (*read_callback)(byte buffer[], unsigned *bytes, void *client_data), void *client_data);
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bool FLAC__bitbuffer_read_bit_to_uint64(FLAC__BitBuffer *bb, uint64 *val, bool (*read_callback)(byte buffer[], unsigned *bytes, void *client_data), void *client_data);
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2001-04-25 01:14:20 +00:00
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bool FLAC__bitbuffer_read_raw_uint32(FLAC__BitBuffer *bb, uint32 *val, const unsigned bits, bool (*read_callback)(byte buffer[], unsigned *bytes, void *client_data), void *client_data);
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bool FLAC__bitbuffer_read_raw_int32(FLAC__BitBuffer *bb, int32 *val, const unsigned bits, bool (*read_callback)(byte buffer[], unsigned *bytes, void *client_data), void *client_data);
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bool FLAC__bitbuffer_read_raw_uint64(FLAC__BitBuffer *bb, uint64 *val, const unsigned bits, bool (*read_callback)(byte buffer[], unsigned *bytes, void *client_data), void *client_data);
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bool FLAC__bitbuffer_read_raw_int64(FLAC__BitBuffer *bb, int64 *val, const unsigned bits, bool (*read_callback)(byte buffer[], unsigned *bytes, void *client_data), void *client_data);
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2001-03-27 01:16:42 +00:00
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bool FLAC__bitbuffer_read_unary_unsigned(FLAC__BitBuffer *bb, unsigned *val, bool (*read_callback)(byte buffer[], unsigned *bytes, void *client_data), void *client_data);
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2001-03-17 00:13:09 +00:00
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bool FLAC__bitbuffer_read_symmetric_rice_signed(FLAC__BitBuffer *bb, int *val, unsigned parameter, bool (*read_callback)(byte buffer[], unsigned *bytes, void *client_data), void *client_data);
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2000-12-10 04:09:52 +00:00
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bool FLAC__bitbuffer_read_rice_signed(FLAC__BitBuffer *bb, int *val, unsigned parameter, bool (*read_callback)(byte buffer[], unsigned *bytes, void *client_data), void *client_data);
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2001-01-06 01:24:22 +00:00
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bool FLAC__bitbuffer_read_golomb_signed(FLAC__BitBuffer *bb, int *val, unsigned parameter, bool (*read_callback)(byte buffer[], unsigned *bytes, void *client_data), void *client_data);
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bool FLAC__bitbuffer_read_golomb_unsigned(FLAC__BitBuffer *bb, unsigned *val, unsigned parameter, bool (*read_callback)(byte buffer[], unsigned *bytes, void *client_data), void *client_data);
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2000-12-10 04:09:52 +00:00
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bool FLAC__bitbuffer_read_utf8_uint32(FLAC__BitBuffer *bb, uint32 *val, bool (*read_callback)(byte buffer[], unsigned *bytes, void *client_data), void *client_data, byte *raw, unsigned *rawlen);
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bool FLAC__bitbuffer_read_utf8_uint64(FLAC__BitBuffer *bb, uint64 *val, bool (*read_callback)(byte buffer[], unsigned *bytes, void *client_data), void *client_data, byte *raw, unsigned *rawlen);
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void FLAC__bitbuffer_dump(const FLAC__BitBuffer *bb, FILE *out);
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#endif
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