7b2d710cd0
- Not compiled by default, nor hooked up to anything yet. - Both libraries licensed under modified BSD license. - Added top-level CMake file for both, to create a plain static library for each.
127 lines
5.9 KiB
C
127 lines
5.9 KiB
C
/*************************************************************************/
|
|
/* */
|
|
/* Language Technologies Institute */
|
|
/* Carnegie Mellon University */
|
|
/* Copyright (c) 2001 */
|
|
/* All Rights Reserved. */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to use and distribute */
|
|
/* this software and its documentation without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of this work, and to */
|
|
/* permit persons to whom this work is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* 1. The code must retain the above copyright notice, this list of */
|
|
/* conditions and the following disclaimer. */
|
|
/* 2. Any modifications must be clearly marked as such. */
|
|
/* 3. Original authors' names are not deleted. */
|
|
/* 4. The authors' names are not used to endorse or promote products */
|
|
/* derived from this software without specific prior written */
|
|
/* permission. */
|
|
/* */
|
|
/* CARNEGIE MELLON UNIVERSITY AND THE CONTRIBUTORS TO THIS WORK */
|
|
/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
|
|
/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
|
|
/* SHALL CARNEGIE MELLON UNIVERSITY NOR THE CONTRIBUTORS BE LIABLE */
|
|
/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
|
|
/* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
|
|
/* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
|
|
/* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
|
|
/* THIS SOFTWARE. */
|
|
/* */
|
|
/*************************************************************************/
|
|
/* Author: Alan W Black (awb@cs.cmu.edu) */
|
|
/* Date: January 2001 */
|
|
/*************************************************************************/
|
|
/* */
|
|
/* Short term signals */
|
|
/* */
|
|
/*************************************************************************/
|
|
#ifndef _CST_STS_H__
|
|
#define _CST_STS_H__
|
|
|
|
/* Need some lower level functions in case we are doing streaming */
|
|
#include "cst_wave.h"
|
|
#include "cst_audio.h"
|
|
|
|
/* The short term signal (sts) structure is the basic unit data info */
|
|
/* it may be diphones or general units. Indexes and names are held */
|
|
/* else where, this information plus the indexes in the Unit relation */
|
|
/* allow reconstruction of the signal itself */
|
|
struct cst_sts_struct {
|
|
const unsigned short *frame;
|
|
const int size; /* in samples */
|
|
const unsigned char *residual;
|
|
};
|
|
typedef struct cst_sts_struct cst_sts;
|
|
|
|
/* Because many C compilers can't compile when there are 100Ks of symbols */
|
|
/* We store the sts in pages. Each page of stss gets compiled into an */
|
|
/* array in separate files thus reducing the number of symbols -- but */
|
|
/* introducing an extra dereference */
|
|
struct cst_sts_paged_struct {
|
|
const unsigned short frame_offset;
|
|
const unsigned short res_size;
|
|
const unsigned int res_offset;
|
|
const unsigned short *frame_page;
|
|
const unsigned char *res_page;
|
|
};
|
|
typedef struct cst_sts_paged_struct cst_sts_paged;
|
|
|
|
/* This represents a database of short-term signals. */
|
|
struct cst_sts_list_struct {
|
|
/* If the sts are compiled in, this will point to them. */
|
|
const cst_sts *sts;
|
|
/* Or if the data is paged in different structures */
|
|
const cst_sts_paged *sts_paged;
|
|
/* Or we could have these set (or set later) */
|
|
const unsigned short *frames;
|
|
const unsigned char *residuals;
|
|
const unsigned int *resoffs;
|
|
|
|
int num_sts; /* But I don't think you need that number */
|
|
int num_channels; /* typically lpc order */
|
|
int sample_rate;
|
|
float coeff_min; /* used for decoding the short representation */
|
|
float coeff_range; /* for coefficients */
|
|
};
|
|
typedef struct cst_sts_list_struct cst_sts_list;
|
|
|
|
/* This is used to represent a newly constructed waveform to be synthed */
|
|
struct cst_lpcres_struct {
|
|
const unsigned short **frames;
|
|
int *times;
|
|
int num_frames;
|
|
int num_channels;
|
|
float lpc_min;
|
|
float lpc_range;
|
|
int num_samples;
|
|
int sample_rate;
|
|
int *sizes;
|
|
unsigned char *residual;
|
|
|
|
/* Optional call back function */
|
|
cst_audio_streaming_info *asi;
|
|
};
|
|
typedef struct cst_lpcres_struct cst_lpcres;
|
|
|
|
cst_lpcres *new_lpcres();
|
|
void delete_lpcres(cst_lpcres *l);
|
|
float lpcres_frame_shift(cst_lpcres *t, int frame);
|
|
void lpcres_resize_frames(cst_lpcres *l,int num_frames);
|
|
void lpcres_resize_samples(cst_lpcres *l,int num_samples);
|
|
|
|
cst_sts_list *new_sts_list();
|
|
void delete_sts_list(cst_sts_list *l);
|
|
|
|
const unsigned short * get_sts_frame(const cst_sts_list *sts_list, int frame);
|
|
const unsigned char * get_sts_residual(const cst_sts_list *sts_list, int frame);
|
|
const unsigned char * get_sts_residual_fixed(const cst_sts_list *sts_list, int frame);
|
|
|
|
int get_frame_size(const cst_sts_list *sts_list, int frame);
|
|
int get_unit_size(const cst_sts_list *s,int start, int end);
|
|
|
|
CST_VAL_USER_TYPE_DCLS(lpcres,cst_lpcres)
|
|
CST_VAL_USER_TYPE_DCLS(sts_list,cst_sts_list)
|
|
|
|
#endif
|