| /* libFLAC - Free Lossless Audio Codec library |
| * Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007 Josh Coalson |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * - Neither the name of the Xiph.org Foundation nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef FLAC__PRIVATE__BITREADER_H |
| #define FLAC__PRIVATE__BITREADER_H |
| |
| #ifndef COBALT |
| #include <stdio.h> /* for FILE */ |
| #endif // COBALT |
| #include "FLAC/ordinals.h" |
| #include "cpu.h" |
| |
| #ifdef STARBOARD |
| #include "starboard/types.h" |
| #endif // STARBOARD |
| |
| /* |
| * opaque structure definition |
| */ |
| struct FLAC__BitReader; |
| typedef struct FLAC__BitReader FLAC__BitReader; |
| |
| typedef FLAC__bool (*FLAC__BitReaderReadCallback)(FLAC__byte buffer[], size_t *bytes, void *client_data); |
| |
| /* |
| * construction, deletion, initialization, etc functions |
| */ |
| FLAC__BitReader *FLAC__bitreader_new(void); |
| void FLAC__bitreader_delete(FLAC__BitReader *br); |
| FLAC__bool FLAC__bitreader_init(FLAC__BitReader *br, FLAC__CPUInfo cpu, FLAC__BitReaderReadCallback rcb, void *cd); |
| void FLAC__bitreader_free(FLAC__BitReader *br); /* does not 'free(br)' */ |
| FLAC__bool FLAC__bitreader_clear(FLAC__BitReader *br); |
| #ifndef COBALT |
| void FLAC__bitreader_dump(const FLAC__BitReader *br, FILE *out); |
| #endif // COBALT |
| |
| /* |
| * CRC functions |
| */ |
| void FLAC__bitreader_reset_read_crc16(FLAC__BitReader *br, FLAC__uint16 seed); |
| FLAC__uint16 FLAC__bitreader_get_read_crc16(FLAC__BitReader *br); |
| |
| /* |
| * info functions |
| */ |
| FLAC__bool FLAC__bitreader_is_consumed_byte_aligned(const FLAC__BitReader *br); |
| unsigned FLAC__bitreader_bits_left_for_byte_alignment(const FLAC__BitReader *br); |
| unsigned FLAC__bitreader_get_input_bits_unconsumed(const FLAC__BitReader *br); |
| |
| /* |
| * read functions |
| */ |
| |
| FLAC__bool FLAC__bitreader_read_raw_uint32(FLAC__BitReader *br, FLAC__uint32 *val, unsigned bits); |
| FLAC__bool FLAC__bitreader_read_raw_int32(FLAC__BitReader *br, FLAC__int32 *val, unsigned bits); |
| FLAC__bool FLAC__bitreader_read_raw_uint64(FLAC__BitReader *br, FLAC__uint64 *val, unsigned bits); |
| FLAC__bool FLAC__bitreader_read_uint32_little_endian(FLAC__BitReader *br, FLAC__uint32 *val); /*only for bits=32*/ |
| FLAC__bool FLAC__bitreader_skip_bits_no_crc(FLAC__BitReader *br, unsigned bits); /* WATCHOUT: does not CRC the skipped data! */ /*@@@@ add to unit tests */ |
| FLAC__bool FLAC__bitreader_skip_byte_block_aligned_no_crc(FLAC__BitReader *br, unsigned nvals); /* WATCHOUT: does not CRC the read data! */ |
| FLAC__bool FLAC__bitreader_read_byte_block_aligned_no_crc(FLAC__BitReader *br, FLAC__byte *val, unsigned nvals); /* WATCHOUT: does not CRC the read data! */ |
| FLAC__bool FLAC__bitreader_read_unary_unsigned(FLAC__BitReader *br, unsigned *val); |
| FLAC__bool FLAC__bitreader_read_rice_signed(FLAC__BitReader *br, int *val, unsigned parameter); |
| FLAC__bool FLAC__bitreader_read_rice_signed_block(FLAC__BitReader *br, int vals[], unsigned nvals, unsigned parameter); |
| #ifndef FLAC__NO_ASM |
| # ifdef FLAC__CPU_IA32 |
| # ifdef FLAC__HAS_NASM |
| FLAC__bool FLAC__bitreader_read_rice_signed_block_asm_ia32_bswap(FLAC__BitReader *br, int vals[], unsigned nvals, unsigned parameter); |
| # endif |
| # endif |
| #endif |
| #if 0 /* UNUSED */ |
| FLAC__bool FLAC__bitreader_read_golomb_signed(FLAC__BitReader *br, int *val, unsigned parameter); |
| FLAC__bool FLAC__bitreader_read_golomb_unsigned(FLAC__BitReader *br, unsigned *val, unsigned parameter); |
| #endif |
| FLAC__bool FLAC__bitreader_read_utf8_uint32(FLAC__BitReader *br, FLAC__uint32 *val, FLAC__byte *raw, unsigned *rawlen); |
| FLAC__bool FLAC__bitreader_read_utf8_uint64(FLAC__BitReader *br, FLAC__uint64 *val, FLAC__byte *raw, unsigned *rawlen); |
| |
| FLAC__bool bitreader_read_from_client_(FLAC__BitReader *br); |
| #endif |