1 /*
2 * Copyright (C) 1997-2002 Kare Sjolander <kare@speech.kth.se>
3 *
4 * This file is part of the Snack Sound Toolkit.
5 * The latest version can be found at http://www.speech.kth.se/snack/
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21
22 #include <stdlib.h>
23 #include <stdio.h>
24 #include <signal.h>
25 #include <math.h>
26 #include <string.h>
27 #include "tcl.h"
28 #include "jkAudIO.h"
29 #include "jkSound.h"
30
31 extern int rop, wop;
32
33 char defaultMixerDevice[MAX_DEVICE_NAME_LENGTH];
34
35 static int
devicesCmd(Tcl_Interp * interp,int objc,Tcl_Obj * CONST objv[])36 devicesCmd(Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])
37 {
38 int i, n;
39 char *arr[MAX_NUM_DEVICES];
40 Tcl_Obj *list = Tcl_NewListObj(0, NULL);
41
42 n = SnackGetMixerDevices(arr, MAX_NUM_DEVICES);
43 for (i = 0; i < n; i++) {
44 Tcl_ListObjAppendElement(interp, list, Tcl_NewStringObj(arr[i], -1));
45 ckfree(arr[i]);
46 }
47
48 Tcl_SetObjResult(interp, list);
49
50 return TCL_OK;
51 }
52
53 static int
selectCmd(Tcl_Interp * interp,int objc,Tcl_Obj * CONST objv[])54 selectCmd(Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])
55 {
56 int i, n, found = 0;
57 char *arr[MAX_NUM_DEVICES];
58 char *devstr;
59
60 n = SnackGetMixerDevices(arr, MAX_NUM_DEVICES);
61
62 if (objc == 3) {
63 devstr = Tcl_GetStringFromObj(objv[2], NULL);
64 for (i = 0; i < n; i++) {
65 if (strncmp(devstr, arr[i], strlen(devstr)) == 0 && found == 0) {
66 strcpy(defaultMixerDevice, arr[i]);
67 found = 1;
68 }
69 ckfree(arr[i]);
70 }
71 if (found == 0) {
72 Tcl_AppendResult(interp, "No such device: ", devstr, (char *) NULL);
73 return TCL_ERROR;
74 }
75 } else {
76 Tcl_WrongNumArgs(interp, 1, objv, "select device");
77 return TCL_ERROR;
78 }
79
80 return TCL_OK;
81 }
82
83 static int
inputCmd(Tcl_Interp * interp,int objc,Tcl_Obj * CONST objv[])84 inputCmd(Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])
85 {
86 char *jack, tmpstr[QUERYBUFSIZE];
87
88 if (objc < 3) {
89 SnackMixerGetInputJack(tmpstr, QUERYBUFSIZE);
90 Tcl_SetObjResult(interp, Tcl_NewStringObj(tmpstr, -1));
91 } else {
92 jack = Tcl_GetStringFromObj(objv[2], NULL);
93 if (objc == 3) {
94 if (SnackMixerSetInputJack(interp, jack, "1")) {
95 Tcl_AppendResult(interp, "Error setting input jack", NULL);
96 return TCL_ERROR;
97 };
98 } else {
99 SnackMixerLinkJacks(interp, jack, objv[3]);
100 }
101 }
102
103 return TCL_OK;
104 }
105
106 static int
inputsCmd(Tcl_Interp * interp,int objc,Tcl_Obj * CONST objv[])107 inputsCmd(Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])
108 {
109 char tmpstr[QUERYBUFSIZE];
110
111 SnackMixerGetInputJackLabels(tmpstr, QUERYBUFSIZE);
112 Tcl_SetObjResult(interp, Tcl_NewStringObj(tmpstr, -1));
113
114 return TCL_OK;
115 }
116
117 static int
outputCmd(Tcl_Interp * interp,int objc,Tcl_Obj * CONST objv[])118 outputCmd(Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])
119 {
120 char *jack, tmpstr[QUERYBUFSIZE];
121
122 if (objc < 3) {
123 SnackMixerGetOutputJack(tmpstr, QUERYBUFSIZE);
124 Tcl_SetObjResult(interp, Tcl_NewStringObj(tmpstr, -1));
125 } else {
126 jack = Tcl_GetStringFromObj(objv[2], NULL);
127 if (objc == 3) {
128 SnackMixerSetOutputJack(jack, "1");
129 } else {
130 SnackMixerLinkJacks(interp, jack, objv[3]);
131 }
132 }
133
134 return TCL_OK;
135 }
136
137 static int
outputsCmd(Tcl_Interp * interp,int objc,Tcl_Obj * CONST objv[])138 outputsCmd(Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])
139 {
140 char tmpstr[QUERYBUFSIZE];
141
142 SnackMixerGetOutputJackLabels(tmpstr, QUERYBUFSIZE);
143 Tcl_SetObjResult(interp, Tcl_NewStringObj(tmpstr, -1));
144
145 return TCL_OK;
146 }
147
148 static int
channelsCmd(Tcl_Interp * interp,int objc,Tcl_Obj * CONST objv[])149 channelsCmd(Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])
150 {
151 char *line, tmpstr[QUERYBUFSIZE];
152
153 if (objc == 3) {
154 line = Tcl_GetStringFromObj(objv[2], NULL);
155 SnackMixerGetChannelLabels(line, tmpstr, QUERYBUFSIZE);
156 Tcl_SetObjResult(interp, Tcl_NewStringObj(tmpstr, -1));
157 } else {
158 Tcl_WrongNumArgs(interp, 1, objv, "channels line");
159 return TCL_ERROR;
160 }
161
162 return TCL_OK;
163 }
164
165 static int
volumeCmd(Tcl_Interp * interp,int objc,Tcl_Obj * CONST objv[])166 volumeCmd(Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])
167 {
168 char *line, tmpstr[QUERYBUFSIZE];
169
170 line = Tcl_GetStringFromObj(objv[2], NULL);
171 #ifdef HPUX
172 if (rop != IDLE || wop != IDLE) return TCL_OK;
173 #endif
174 if (objc == 3) {
175 SnackMixerGetVolume(line, -1, tmpstr, QUERYBUFSIZE);
176 Tcl_SetObjResult(interp, Tcl_NewStringObj(tmpstr, -1));
177 } else if (objc == 4) {
178 } else if (objc == 5) {
179 SnackMixerGetChannelLabels(line, tmpstr, QUERYBUFSIZE);
180 if (strcmp("Mono", tmpstr) == 0) {
181 Tcl_AppendResult(interp, "Line is single channel", NULL);
182 return TCL_ERROR;
183 }
184 } else {
185 Tcl_WrongNumArgs(interp, 1, objv, "audio volume line [leftVar] [rightVar]");
186 return TCL_ERROR;
187 }
188 SnackMixerLinkVolume(interp, line, objc - 3, objv);
189
190 return TCL_OK;
191 }
192
193 static int
linesCmd(Tcl_Interp * interp,int objc,Tcl_Obj * CONST objv[])194 linesCmd(Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])
195 {
196 char tmpstr[QUERYBUFSIZE];
197
198 SnackMixerGetLineLabels(tmpstr, QUERYBUFSIZE);
199 Tcl_SetObjResult(interp, Tcl_NewStringObj(tmpstr, -1));
200
201 return TCL_OK;
202 }
203
204 static int
updateCmd(Tcl_Interp * interp,int objc,Tcl_Obj * CONST objv[])205 updateCmd(Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])
206 {
207 SnackMixerUpdateVars(interp);
208
209 return TCL_OK;
210 }
211
212 #define NMIXERCOMMANDS 10
213 #define MAXMIXERCOMMANDS 20
214
215 int nMixerCommands = NMIXERCOMMANDS;
216 int maxMixerCommands = MAXMIXERCOMMANDS;
217
218 CONST84 char *mixerCmdNames[MAXMIXERCOMMANDS] = {
219 "devices",
220 "select",
221 "input",
222 "inputs",
223 "output",
224 "outputs",
225 "channels",
226 "volume",
227 "lines",
228 "update",
229 NULL
230 };
231
232 /* NOTE: NMIXERCOMMANDS needs updating when new commands are added. */
233
234 mixerCmd *mixerCmdProcs[MAXMIXERCOMMANDS] = {
235 devicesCmd,
236 selectCmd,
237 inputCmd,
238 inputsCmd,
239 outputCmd,
240 outputsCmd,
241 channelsCmd,
242 volumeCmd,
243 linesCmd,
244 updateCmd,
245 };
246
247 mixerDelCmd *mixerDelCmdProcs[MAXMIXERCOMMANDS] = {
248 NULL,
249 NULL,
250 NULL,
251 NULL,
252 NULL,
253 NULL,
254 NULL,
255 NULL,
256 NULL,
257 NULL,
258 NULL
259 };
260
261 int
Snack_MixerCmd(ClientData cdata,Tcl_Interp * interp,int objc,Tcl_Obj * CONST objv[])262 Snack_MixerCmd(ClientData cdata, Tcl_Interp *interp, int objc,
263 Tcl_Obj *CONST objv[])
264 {
265 int index;
266
267 if (objc < 2) {
268 Tcl_WrongNumArgs(interp, 1, objv, "option ?arg?");
269 return TCL_ERROR;
270 }
271
272 if (Tcl_GetIndexFromObj(interp, objv[1], mixerCmdNames, "option", 0,
273 &index) != TCL_OK) {
274 return TCL_ERROR;
275 }
276
277 return((mixerCmdProcs[index])(interp, objc, objv));
278 }
279
280 void
Snack_MixerDeleteCmd(ClientData clientData)281 Snack_MixerDeleteCmd(ClientData clientData)
282 {
283 int i;
284
285 for (i = 0; i < nMixerCommands; i++) {
286 if (mixerDelCmdProcs[i] != NULL) {
287 (mixerDelCmdProcs[i])();
288 }
289 }
290 }
291