148 lines
4.6 KiB
C
148 lines
4.6 KiB
C
/* Copyright (C) 2002 Jean-Marc Valin */
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/**
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@file misc.h
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@brief Various compatibility routines for Speex
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*/
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/*
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of the Xiph.org Foundation nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef MISC_H
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#define MISC_H
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#ifndef VERSION
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#define VERSION "speex-1.1"
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#endif
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#ifdef FIXED_POINT
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typedef signed short spx_word16_t;
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typedef signed int spx_word32_t;
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typedef spx_word32_t spx_mem_t;
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typedef spx_word16_t spx_coef_t;
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typedef spx_word16_t spx_lsp_t;
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typedef spx_word32_t spx_sig_t;
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#define LPC_SCALING 8192.
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#define SIG_SCALING 16384
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#define LSP_SCALING 8192.
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#define LPC_SHIFT 13
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#define SIG_SHIFT 14
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#define PSHR(a,shift) (((a)+(1<<((shift)-1))) >> (shift))
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#define SHR(a,shift) ((a) >> (shift))
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#define SHL(a,shift) ((a) << (shift))
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/* result fits in 16 bits */
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#define MULT16_16_16(a,b) (((short)(a))*(b))
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#define MULT16_16(a,b) (((signed int)(a))*(b))
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#define MULT16_32_Q13(a,b) (((a)*((b)>>13)) + ((a)*((signed int)((b)&0x00001fff))>>13))
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#define MULT16_32_Q14(a,b) (((a)*((b)>>14)) + ((a)*((signed int)((b)&0x00003fff))>>14))
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#define MULT16_32_Q15(a,b) (((a)*((b)>>15)) + ((a)*((signed int)((b)&0x00007fff))>>15))
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#define MULT16_16_Q13(a,b) (((signed int)(a))*(b)>>13)
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#define MULT16_16_Q14(a,b) (((signed int)(a))*(b)>>14)
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#define MULT16_16_Q15(a,b) (((signed int)(a))*(b)>>15)
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#define MULT16_16_P14(a,b) ((8192+((signed int)(a))*(b))>>14)
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#define DIV32_16(a,b) (((signed int)(a))/(b))
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#else
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typedef float spx_mem_t;
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typedef float spx_coef_t;
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typedef float spx_lsp_t;
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typedef float spx_sig_t;
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typedef float spx_word16_t;
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typedef float spx_word32_t;
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#define LPC_SCALING 1.
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#define SIG_SCALING 1.
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#define LSP_SCALING 1.
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#define LPC_SHIFT 0
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#define SIG_SHIFT 0
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#define PSHR(a,shift) (a)
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#define SHR(a,shift) (a)
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#define SHL(a,shift) (a)
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#define MULT16_16_16(a,b) ((a)*(b))
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#define MULT16_16(a,b) ((a)*(b))
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#define MULT16_32_Q13(a,b) ((a)*(b))
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#define MULT16_32_Q14(a,b) ((a)*(b))
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#define MULT16_32_Q15(a,b) ((a)*(b))
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#define MULT16_16_Q13(a,b) ((a)*(b))
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#define MULT16_16_Q14(a,b) ((a)*(b))
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#define MULT16_16_Q15(a,b) ((a)*(b))
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#endif
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#ifndef RELEASE
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void print_vec(float *vec, int len, char *name);
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#endif
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unsigned int be_int(unsigned int i);
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unsigned int le_int(unsigned int i);
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unsigned short be_short(unsigned short s);
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unsigned short le_short(unsigned short s);
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/** Speex wrapper for calloc. To do your own dynamic allocation, all you need to do is replace this function, speex_realloc and speex_free */
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void *speex_alloc (int size);
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/** Speex wrapper for realloc. To do your own dynamic allocation, all you need to do is replace this function, speex_alloc and speex_free */
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void *speex_realloc (void *ptr, int size);
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/** Speex wrapper for calloc. To do your own dynamic allocation, all you need to do is replace this function, speex_realloc and speex_alloc */
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void speex_free (void *ptr);
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/** Speex wrapper for mem_move */
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void *speex_move (void *dest, void *src, int n);
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void speex_error(char *str);
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void speex_warning(char *str);
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void speex_warning_int(char *str, int val);
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void speex_rand_vec(float std, spx_sig_t *data, int len);
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float speex_rand(float std);
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void _speex_putc(int ch, void *file);
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#endif
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