1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
/*
* FPMs-TCTS SOFTWARE LIBRARY
*
* File: diphone.c
* Time-stamp: <2000-04-07 16:55:15 pagel>
* Purpose: Phone and diphone objects
* Authors: Vincent Pagel
* Email : mbrola@tcts.fpms.ac.be
*
* Copyright (c) 1995-2018 Faculte Polytechnique de Mons (TCTS lab)
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* 15/06/98 : Created. Phones, Diphones, ...
* 09/09/98 : reset_DiphoneSynthesis function
* 24/03/00 : no more limits on period size -> pass frame size during construction
*/
#ifndef _DIPHONE_H
#define _DIPHONE_H
#include "phone.h"
#include "diphone_info.h"
/*
* PITCH MARKED DIPHONE DATABASE, CONSTANTS
*/
#define NBRE_PM_MAX 2000 /* Max nbr of frames in a synth. segment*/
/*
* STRUCTURES representing diphone sequences to synthesize
*/
/*
* A DiphoneSynthesis is a Diphone equiped with information necessary to
* synthesize it
*/
typedef struct
{
/* A Diphone is made of 2 phonemes */
Phone *LeftPhone; /* First phoneme */
Phone *RightPhone;/* Second phoneme */
int Length1; /* Length of first half-phoneme in samples */
int Length2; /* Length of second half-phoneme in samples */
DiphoneInfo* Descriptor; /* Descriptor in the diphone database */
uint8 *p_pmrk; /* Point to the beginning of the pm 1..N interval */
uint8 p_pmrk_offset; /* offset in the 4 bit compressed structure */
int16 *smoothw; /* Difference vector between 2 ola frames (2 mbr_period) */
bool smooth; /* True if Smoothw has a value */
int16* buffer; /* To read or uncompress audio data */
bool buffer_alloced; /* True if pointer above was malloc'ed */
uint8 *real_frame; /* for skiping V - NV transition */
uint8 tot_frame; /* physical number of frames of the diphone */
int nb_pm; /* Number of pitch markers to synthesize */
} DiphoneSynthesis;
/*
* Convenient macros to access Diphone_synth structures
*/
#define halfseg_diphone(X) X->Descriptor->halfseg
#define nb_frame_diphone(X) X->Descriptor->nb_frame
#define pos_wave_diphone(X) X->Descriptor->pos_wave
#define left_diphone(MB,X) auxiliary_tab_val( diphone_table(diph_dba(MB)) , X->Descriptor->left)
#define right_diphone(MB,X) auxiliary_tab_val( diphone_table(diph_dba(MB)) , X->Descriptor->right)
#define Descriptor(X) (X->Descriptor)
#define Length1(X) X->Length1
#define Length2(X) X->Length2
#define LeftPhone(X) (X->LeftPhone)
#define RightPhone(X) (X->RightPhone)
#define nb_pm(X) X->nb_pm
#define smoothw(X) X->smoothw
#define smooth(X) X->smooth
#define buffer(X) X->buffer
#define buffer_alloced(X) X->buffer_alloced
#define real_frame(X) X->real_frame
#define physical_frame_type(X) X->physical_frame_type
#define tot_frame(X) X->tot_frame
/* At the moment it's a macro */
#define pmrk_DiphoneSynthesis(DP,INDEX) ((DP->p_pmrk[ ( (INDEX-1)+DP->p_pmrk_offset)/ 4 ] >> ( 2*( ((INDEX-1) + DP->p_pmrk_offset)%4))) & 0x3)
DiphoneSynthesis* init_DiphoneSynthesis(int mbr_period, int max_pm, int max_sample);
/* Alloc memory, working and audio buffers for synthesis */
void reset_DiphoneSynthesis(DiphoneSynthesis* ds);
/*
* Forget the diphone in progress
*/
void close_DiphoneSynthesis(DiphoneSynthesis* ds);
/* Release memory and phone */
int GetPitchPeriod(DiphoneSynthesis *dp, int cur_sample,int Freq);
/*
* Returns the pitch period (in samples) at position cur_sample
* of dp by linear interpolation between pitch pattern points.
*/
#endif
|
