1c74663799493f2b1e6123c18def94295d0afab7Kenny Root/* libFLAC - Free Lossless Audio Codec library 2c74663799493f2b1e6123c18def94295d0afab7Kenny Root * Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007 Josh Coalson 3c74663799493f2b1e6123c18def94295d0afab7Kenny Root * 4c74663799493f2b1e6123c18def94295d0afab7Kenny Root * Redistribution and use in source and binary forms, with or without 5c74663799493f2b1e6123c18def94295d0afab7Kenny Root * modification, are permitted provided that the following conditions 6c74663799493f2b1e6123c18def94295d0afab7Kenny Root * are met: 7c74663799493f2b1e6123c18def94295d0afab7Kenny Root * 8c74663799493f2b1e6123c18def94295d0afab7Kenny Root * - Redistributions of source code must retain the above copyright 9c74663799493f2b1e6123c18def94295d0afab7Kenny Root * notice, this list of conditions and the following disclaimer. 10c74663799493f2b1e6123c18def94295d0afab7Kenny Root * 11c74663799493f2b1e6123c18def94295d0afab7Kenny Root * - Redistributions in binary form must reproduce the above copyright 12c74663799493f2b1e6123c18def94295d0afab7Kenny Root * notice, this list of conditions and the following disclaimer in the 13c74663799493f2b1e6123c18def94295d0afab7Kenny Root * documentation and/or other materials provided with the distribution. 14c74663799493f2b1e6123c18def94295d0afab7Kenny Root * 15c74663799493f2b1e6123c18def94295d0afab7Kenny Root * - Neither the name of the Xiph.org Foundation nor the names of its 16c74663799493f2b1e6123c18def94295d0afab7Kenny Root * contributors may be used to endorse or promote products derived from 17c74663799493f2b1e6123c18def94295d0afab7Kenny Root * this software without specific prior written permission. 18c74663799493f2b1e6123c18def94295d0afab7Kenny Root * 19c74663799493f2b1e6123c18def94295d0afab7Kenny Root * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20c74663799493f2b1e6123c18def94295d0afab7Kenny Root * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21c74663799493f2b1e6123c18def94295d0afab7Kenny Root * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22c74663799493f2b1e6123c18def94295d0afab7Kenny Root * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR 23c74663799493f2b1e6123c18def94295d0afab7Kenny Root * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 24c74663799493f2b1e6123c18def94295d0afab7Kenny Root * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25c74663799493f2b1e6123c18def94295d0afab7Kenny Root * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 26c74663799493f2b1e6123c18def94295d0afab7Kenny Root * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 27c74663799493f2b1e6123c18def94295d0afab7Kenny Root * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 28c74663799493f2b1e6123c18def94295d0afab7Kenny Root * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 29c74663799493f2b1e6123c18def94295d0afab7Kenny Root * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30c74663799493f2b1e6123c18def94295d0afab7Kenny Root */ 31c74663799493f2b1e6123c18def94295d0afab7Kenny Root 32c74663799493f2b1e6123c18def94295d0afab7Kenny Root#ifndef FLAC__PRIVATE__BITREADER_H 33c74663799493f2b1e6123c18def94295d0afab7Kenny Root#define FLAC__PRIVATE__BITREADER_H 34c74663799493f2b1e6123c18def94295d0afab7Kenny Root 35c74663799493f2b1e6123c18def94295d0afab7Kenny Root#include <stdio.h> /* for FILE */ 36c74663799493f2b1e6123c18def94295d0afab7Kenny Root#include "FLAC/ordinals.h" 37c74663799493f2b1e6123c18def94295d0afab7Kenny Root#include "cpu.h" 38c74663799493f2b1e6123c18def94295d0afab7Kenny Root 39c74663799493f2b1e6123c18def94295d0afab7Kenny Root/* 40c74663799493f2b1e6123c18def94295d0afab7Kenny Root * opaque structure definition 41c74663799493f2b1e6123c18def94295d0afab7Kenny Root */ 42c74663799493f2b1e6123c18def94295d0afab7Kenny Rootstruct FLAC__BitReader; 43c74663799493f2b1e6123c18def94295d0afab7Kenny Roottypedef struct FLAC__BitReader FLAC__BitReader; 44c74663799493f2b1e6123c18def94295d0afab7Kenny Root 45c74663799493f2b1e6123c18def94295d0afab7Kenny Roottypedef FLAC__bool (*FLAC__BitReaderReadCallback)(FLAC__byte buffer[], size_t *bytes, void *client_data); 46c74663799493f2b1e6123c18def94295d0afab7Kenny Root 47c74663799493f2b1e6123c18def94295d0afab7Kenny Root/* 48c74663799493f2b1e6123c18def94295d0afab7Kenny Root * construction, deletion, initialization, etc functions 49c74663799493f2b1e6123c18def94295d0afab7Kenny Root */ 50c74663799493f2b1e6123c18def94295d0afab7Kenny RootFLAC__BitReader *FLAC__bitreader_new(void); 51c74663799493f2b1e6123c18def94295d0afab7Kenny Rootvoid FLAC__bitreader_delete(FLAC__BitReader *br); 52c74663799493f2b1e6123c18def94295d0afab7Kenny RootFLAC__bool FLAC__bitreader_init(FLAC__BitReader *br, FLAC__CPUInfo cpu, FLAC__BitReaderReadCallback rcb, void *cd); 53c74663799493f2b1e6123c18def94295d0afab7Kenny Rootvoid FLAC__bitreader_free(FLAC__BitReader *br); /* does not 'free(br)' */ 54c74663799493f2b1e6123c18def94295d0afab7Kenny RootFLAC__bool FLAC__bitreader_clear(FLAC__BitReader *br); 55c74663799493f2b1e6123c18def94295d0afab7Kenny Rootvoid FLAC__bitreader_dump(const FLAC__BitReader *br, FILE *out); 56c74663799493f2b1e6123c18def94295d0afab7Kenny Root 57c74663799493f2b1e6123c18def94295d0afab7Kenny Root/* 58c74663799493f2b1e6123c18def94295d0afab7Kenny Root * CRC functions 59c74663799493f2b1e6123c18def94295d0afab7Kenny Root */ 60c74663799493f2b1e6123c18def94295d0afab7Kenny Rootvoid FLAC__bitreader_reset_read_crc16(FLAC__BitReader *br, FLAC__uint16 seed); 61c74663799493f2b1e6123c18def94295d0afab7Kenny RootFLAC__uint16 FLAC__bitreader_get_read_crc16(FLAC__BitReader *br); 62c74663799493f2b1e6123c18def94295d0afab7Kenny Root 63c74663799493f2b1e6123c18def94295d0afab7Kenny Root/* 64c74663799493f2b1e6123c18def94295d0afab7Kenny Root * info functions 65c74663799493f2b1e6123c18def94295d0afab7Kenny Root */ 66c74663799493f2b1e6123c18def94295d0afab7Kenny RootFLAC__bool FLAC__bitreader_is_consumed_byte_aligned(const FLAC__BitReader *br); 67c74663799493f2b1e6123c18def94295d0afab7Kenny Rootunsigned FLAC__bitreader_bits_left_for_byte_alignment(const FLAC__BitReader *br); 68c74663799493f2b1e6123c18def94295d0afab7Kenny Rootunsigned FLAC__bitreader_get_input_bits_unconsumed(const FLAC__BitReader *br); 69c74663799493f2b1e6123c18def94295d0afab7Kenny Root 70c74663799493f2b1e6123c18def94295d0afab7Kenny Root/* 71c74663799493f2b1e6123c18def94295d0afab7Kenny Root * read functions 72c74663799493f2b1e6123c18def94295d0afab7Kenny Root */ 73c74663799493f2b1e6123c18def94295d0afab7Kenny Root 74c74663799493f2b1e6123c18def94295d0afab7Kenny RootFLAC__bool FLAC__bitreader_read_raw_uint32(FLAC__BitReader *br, FLAC__uint32 *val, unsigned bits); 75c74663799493f2b1e6123c18def94295d0afab7Kenny RootFLAC__bool FLAC__bitreader_read_raw_int32(FLAC__BitReader *br, FLAC__int32 *val, unsigned bits); 76c74663799493f2b1e6123c18def94295d0afab7Kenny RootFLAC__bool FLAC__bitreader_read_raw_uint64(FLAC__BitReader *br, FLAC__uint64 *val, unsigned bits); 77c74663799493f2b1e6123c18def94295d0afab7Kenny RootFLAC__bool FLAC__bitreader_read_uint32_little_endian(FLAC__BitReader *br, FLAC__uint32 *val); /*only for bits=32*/ 78c74663799493f2b1e6123c18def94295d0afab7Kenny RootFLAC__bool FLAC__bitreader_skip_bits_no_crc(FLAC__BitReader *br, unsigned bits); /* WATCHOUT: does not CRC the skipped data! */ /*@@@@ add to unit tests */ 79c74663799493f2b1e6123c18def94295d0afab7Kenny RootFLAC__bool FLAC__bitreader_skip_byte_block_aligned_no_crc(FLAC__BitReader *br, unsigned nvals); /* WATCHOUT: does not CRC the read data! */ 80c74663799493f2b1e6123c18def94295d0afab7Kenny RootFLAC__bool FLAC__bitreader_read_byte_block_aligned_no_crc(FLAC__BitReader *br, FLAC__byte *val, unsigned nvals); /* WATCHOUT: does not CRC the read data! */ 81c74663799493f2b1e6123c18def94295d0afab7Kenny RootFLAC__bool FLAC__bitreader_read_unary_unsigned(FLAC__BitReader *br, unsigned *val); 82c74663799493f2b1e6123c18def94295d0afab7Kenny RootFLAC__bool FLAC__bitreader_read_rice_signed(FLAC__BitReader *br, int *val, unsigned parameter); 83c74663799493f2b1e6123c18def94295d0afab7Kenny RootFLAC__bool FLAC__bitreader_read_rice_signed_block(FLAC__BitReader *br, int vals[], unsigned nvals, unsigned parameter); 84c74663799493f2b1e6123c18def94295d0afab7Kenny Root#ifndef FLAC__NO_ASM 85c74663799493f2b1e6123c18def94295d0afab7Kenny Root# ifdef FLAC__CPU_IA32 86c74663799493f2b1e6123c18def94295d0afab7Kenny Root# ifdef FLAC__HAS_NASM 87c74663799493f2b1e6123c18def94295d0afab7Kenny RootFLAC__bool FLAC__bitreader_read_rice_signed_block_asm_ia32_bswap(FLAC__BitReader *br, int vals[], unsigned nvals, unsigned parameter); 88c74663799493f2b1e6123c18def94295d0afab7Kenny Root# endif 89c74663799493f2b1e6123c18def94295d0afab7Kenny Root# endif 90c74663799493f2b1e6123c18def94295d0afab7Kenny Root#endif 91c74663799493f2b1e6123c18def94295d0afab7Kenny Root#if 0 /* UNUSED */ 92c74663799493f2b1e6123c18def94295d0afab7Kenny RootFLAC__bool FLAC__bitreader_read_golomb_signed(FLAC__BitReader *br, int *val, unsigned parameter); 93c74663799493f2b1e6123c18def94295d0afab7Kenny RootFLAC__bool FLAC__bitreader_read_golomb_unsigned(FLAC__BitReader *br, unsigned *val, unsigned parameter); 94c74663799493f2b1e6123c18def94295d0afab7Kenny Root#endif 95c74663799493f2b1e6123c18def94295d0afab7Kenny RootFLAC__bool FLAC__bitreader_read_utf8_uint32(FLAC__BitReader *br, FLAC__uint32 *val, FLAC__byte *raw, unsigned *rawlen); 96c74663799493f2b1e6123c18def94295d0afab7Kenny RootFLAC__bool FLAC__bitreader_read_utf8_uint64(FLAC__BitReader *br, FLAC__uint64 *val, FLAC__byte *raw, unsigned *rawlen); 97c74663799493f2b1e6123c18def94295d0afab7Kenny Root 98c74663799493f2b1e6123c18def94295d0afab7Kenny RootFLAC__bool bitreader_read_from_client_(FLAC__BitReader *br); 99c74663799493f2b1e6123c18def94295d0afab7Kenny Root#endif 100