1 /*************************************************************************/
2 /* */
3 /* Centre for Speech Technology Research */
4 /* University of Edinburgh, UK */
5 /* Copyright (c) 1995,1996 */
6 /* All Rights Reserved. */
7 /* */
8 /* Permission is hereby granted, free of charge, to use and distribute */
9 /* this software and its documentation without restriction, including */
10 /* without limitation the rights to use, copy, modify, merge, publish, */
11 /* distribute, sublicense, and/or sell copies of this work, and to */
12 /* permit persons to whom this work is furnished to do so, subject to */
13 /* the following conditions: */
14 /* 1. The code must retain the above copyright notice, this list of */
15 /* conditions and the following disclaimer. */
16 /* 2. Any modifications must be clearly marked as such. */
17 /* 3. Original authors' names are not deleted. */
18 /* 4. The authors' names are not used to endorse or promote products */
19 /* derived from this software without specific prior written */
20 /* permission. */
21 /* */
22 /* THE UNIVERSITY OF EDINBURGH AND THE CONTRIBUTORS TO THIS WORK */
23 /* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
24 /* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
25 /* SHALL THE UNIVERSITY OF EDINBURGH NOR THE CONTRIBUTORS BE LIABLE */
26 /* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
27 /* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
28 /* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
29 /* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
30 /* THIS SOFTWARE. */
31 /* */
32 /*************************************************************************/
33 /* */
34 /* Author : Richard Caley */
35 /* ------------------------------------------------------------------- */
36 /* EST audio module using the enlightenment speech daemon. */
37 /* */
38 /*************************************************************************/
39
40
41 #include <cstdio>
42 #include <cstring>
43 #include <cstdlib>
44 #include <cctype>
45 #include <sys/stat.h>
46 #include "EST_Wave.h"
47 #include "EST_Option.h"
48 #include "audioP.h"
49 #include "EST_io_aux.h"
50
51 #ifdef SUPPORT_ESD
52
53 // Hack hack. aupvlist.h is broken at least on FBSD 3.1.1
54
55 #undef __cplusplus
56
57 extern "C"
58 {
59 #include <aupvlist.h>
60 }
61 #define __cplusplus
62
63 #include <esd.h>
64
65 #define au_serverrate 16000
66
67 bool esd_supported = TRUE;
68
69 static int endian_int = 1;
70 #define ESD_BIG_ENDIAN (((char *)&endian_int)[0] == 0)
71
72 EST_String server;
73
get_server(EST_Option & al)74 void get_server(EST_Option &al)
75 {
76 if (al.present("-display"))
77 {
78 EST_String display = al.val("-display");
79 if (display.contains(":"))
80 {
81 server = display.before(":");
82 }
83 else
84 {
85 server = display;
86 }
87 }
88 else
89 server = "";
90 }
91
play_esd_wave(EST_Wave & inwave,EST_Option & al)92 int play_esd_wave(EST_Wave &inwave, EST_Option &al)
93 {
94
95 get_server(al);
96
97 int format;
98
99 switch (inwave.num_channels())
100 {
101 case 1: format=ESD_MONO;
102 break;
103
104 case 2: format=ESD_STEREO;
105 break;
106
107 default:
108 cerr << "EST: " << inwave.num_channels() << " channel data not supported\n";
109 return -1;
110 }
111
112 format |= ESD_BITS16 | ESD_STREAM | ESD_PLAY;
113
114 int sample_rate = inwave.sample_rate();
115
116 int esd = esd_play_stream( format, sample_rate,
117 server==EST_String::Empty?NULL:(const char *)server, "from est");
118
119 int n = inwave.num_samples() * sizeof(short) * inwave.num_channels();
120 int nw=0, tot=0;
121 const char *data = (const char *)(inwave.values().memory());
122
123 while(n > 0 && (nw = write(esd, data+tot, n)) >0)
124 {
125 n -= nw;
126 tot+=nw;
127 }
128
129 if (nw < 0)
130 {
131 cerr << "ESD: error writing - " << strerror(errno) << "\n";
132 }
133
134 esd_close(esd);
135
136 return 1;
137 }
138
record_esd_wave(EST_Wave & wave,EST_Option & al)139 int record_esd_wave(EST_Wave &wave, EST_Option &al)
140 {
141 (void)wave;
142 (void)al;
143
144 cerr << "ESD: record not written yet\n";
145 return -1;
146 }
147
148 #else
149 int esd_supported = FALSE;
150
play_esd_wave(EST_Wave & inwave,EST_Option & al)151 int play_esd_wave(EST_Wave &inwave, EST_Option &al)
152 {
153 (void)inwave;
154 (void)al;
155 cerr << "ESD playback not supported" << endl;
156 return -1;
157 }
158
159
record_esd_wave(EST_Wave & wave,EST_Option & al)160 int record_esd_wave(EST_Wave &wave, EST_Option &al)
161 {
162 (void)wave;
163 (void)al;
164 cerr << "ESD record not supported" << endl;
165 return -1;
166 }
167
168 #endif
169