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Viewing changes to panels/sound/gvc-speaker-test.c

  • Committer: Package Import Robot
  • Author(s): Robert Ancell
  • Date: 2014-01-08 16:29:18 UTC
  • Revision ID: package-import@ubuntu.com-20140108162918-g29dd08tr913y2qh
Tags: upstream-14.04.0
Import upstream version 14.04.0

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panels/sound/gvc-speaker-test.c
 
1
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
 
2
 *
 
3
 * Copyright (C) 2009 Bastien Nocera
 
4
 *
 
5
 * This program is free software; you can redistribute it and/or modify
 
6
 * it under the terms of the GNU General Public License as published by
 
7
 * the Free Software Foundation; either version 2 of the License, or
 
8
 * (at your option) any later version.
 
9
 *
 
10
 * This program is distributed in the hope that it will be useful,
 
11
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
12
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
13
 * GNU General Public License for more details.
 
14
 *
 
15
 * You should have received a copy of the GNU General Public License
 
16
 * along with this program; if not, write to the Free Software
 
17
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
18
 *
 
19
 */
 
20
 
 
21
#include "config.h"
 
22
 
 
23
#include <stdlib.h>
 
24
#include <stdio.h>
 
25
#include <unistd.h>
 
26
 
 
27
#include <glib.h>
 
28
#include <glib/gi18n-lib.h>
 
29
#include <gtk/gtk.h>
 
30
#include <canberra.h>
 
31
#include <canberra-gtk.h>
 
32
#include <pulse/pulseaudio.h>
 
33
 
 
34
#include "gvc-speaker-test.h"
 
35
#include "gvc-mixer-stream.h"
 
36
 
 
37
#define GVC_SPEAKER_TEST_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GVC_TYPE_SPEAKER_TEST, GvcSpeakerTestPrivate))
 
38
 
 
39
struct GvcSpeakerTestPrivate
 
40
{
 
41
        GtkWidget       *channel_controls[PA_CHANNEL_POSITION_MAX];
 
42
        ca_context      *canberra;
 
43
        GvcMixerStream  *stream;
 
44
        GvcMixerControl *control;
 
45
};
 
46
 
 
47
enum {
 
48
        COL_NAME,
 
49
        COL_HUMAN_NAME,
 
50
        NUM_COLS
 
51
};
 
52
 
 
53
enum {
 
54
        PROP_0,
 
55
        PROP_STREAM,
 
56
        PROP_CONTROL
 
57
};
 
58
 
 
59
static void     gvc_speaker_test_class_init (GvcSpeakerTestClass *klass);
 
60
static void     gvc_speaker_test_init       (GvcSpeakerTest      *speaker_test);
 
61
static void     gvc_speaker_test_finalize   (GObject            *object);
 
62
static void     update_channel_map          (GvcSpeakerTest *speaker_test);
 
63
 
 
64
G_DEFINE_TYPE (GvcSpeakerTest, gvc_speaker_test, GTK_TYPE_TABLE)
 
65
 
 
66
static const int position_table[] = {
 
67
        /* Position, X, Y */
 
68
        PA_CHANNEL_POSITION_FRONT_LEFT, 0, 0,
 
69
        PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER, 1, 0,
 
70
        PA_CHANNEL_POSITION_FRONT_CENTER, 2, 0,
 
71
        PA_CHANNEL_POSITION_MONO, 2, 0,
 
72
        PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER, 3, 0,
 
73
        PA_CHANNEL_POSITION_FRONT_RIGHT, 4, 0,
 
74
        PA_CHANNEL_POSITION_SIDE_LEFT, 0, 1,
 
75
        PA_CHANNEL_POSITION_SIDE_RIGHT, 4, 1,
 
76
        PA_CHANNEL_POSITION_REAR_LEFT, 0, 2,
 
77
        PA_CHANNEL_POSITION_REAR_CENTER, 2, 2,
 
78
        PA_CHANNEL_POSITION_REAR_RIGHT, 4, 2,
 
79
        PA_CHANNEL_POSITION_LFE, 3, 2
 
80
};
 
81
 
 
82
static void
 
83
gvc_speaker_test_set_property (GObject       *object,
 
84
                               guint          prop_id,
 
85
                               const GValue  *value,
 
86
                               GParamSpec    *pspec)
 
87
{
 
88
        GvcSpeakerTest *self = GVC_SPEAKER_TEST (object);
 
89
 
 
90
        switch (prop_id) {
 
91
        case PROP_STREAM:
 
92
                self->priv->stream = g_value_dup_object (value);
 
93
                if (self->priv->control != NULL)
 
94
                        update_channel_map (self);
 
95
                break;
 
96
        case PROP_CONTROL:
 
97
                self->priv->control = g_value_dup_object (value);
 
98
                if (self->priv->stream != NULL)
 
99
                        update_channel_map (self);
 
100
                break;
 
101
        default:
 
102
                G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 
103
                break;
 
104
        }
 
105
}
 
106
 
 
107
static void
 
108
gvc_speaker_test_get_property (GObject     *object,
 
109
                               guint        prop_id,
 
110
                               GValue      *value,
 
111
                               GParamSpec  *pspec)
 
112
{
 
113
        GvcSpeakerTest *self = GVC_SPEAKER_TEST (object);
 
114
 
 
115
        switch (prop_id) {
 
116
        case PROP_STREAM:
 
117
                g_value_set_object (value, self->priv->stream);
 
118
                break;
 
119
        case PROP_CONTROL:
 
120
                g_value_set_object (value, self->priv->control);
 
121
                break;
 
122
        default:
 
123
                G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 
124
                break;
 
125
        }
 
126
}
 
127
 
 
128
static void
 
129
gvc_speaker_test_class_init (GvcSpeakerTestClass *klass)
 
130
{
 
131
        GObjectClass   *object_class = G_OBJECT_CLASS (klass);
 
132
 
 
133
        object_class->finalize = gvc_speaker_test_finalize;
 
134
        object_class->set_property = gvc_speaker_test_set_property;
 
135
        object_class->get_property = gvc_speaker_test_get_property;
 
136
 
 
137
        g_object_class_install_property (object_class,
 
138
                                         PROP_STREAM,
 
139
                                         g_param_spec_object ("stream",
 
140
                                                              "stream",
 
141
                                                              "The stream",
 
142
                                                              GVC_TYPE_MIXER_STREAM,
 
143
                                                              G_PARAM_READWRITE|G_PARAM_CONSTRUCT));
 
144
        g_object_class_install_property (object_class,
 
145
                                         PROP_CONTROL,
 
146
                                         g_param_spec_object ("control",
 
147
                                                              "control",
 
148
                                                              "The mixer controller",
 
149
                                                              GVC_TYPE_MIXER_CONTROL,
 
150
                                                              G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
 
151
        g_type_class_add_private (klass, sizeof (GvcSpeakerTestPrivate));
 
152
}
 
153
 
 
154
static const char *
 
155
sound_name (pa_channel_position_t position)
 
156
{
 
157
        switch (position) {
 
158
        case PA_CHANNEL_POSITION_FRONT_LEFT:
 
159
                return "audio-channel-front-left";
 
160
        case PA_CHANNEL_POSITION_FRONT_RIGHT:
 
161
                return "audio-channel-front-right";
 
162
        case PA_CHANNEL_POSITION_FRONT_CENTER:
 
163
                return "audio-channel-front-center";
 
164
        case PA_CHANNEL_POSITION_REAR_LEFT:
 
165
                return "audio-channel-rear-left";
 
166
        case PA_CHANNEL_POSITION_REAR_RIGHT:
 
167
                return "audio-channel-rear-right";
 
168
        case PA_CHANNEL_POSITION_REAR_CENTER:
 
169
                return "audio-channel-rear-center";
 
170
        case PA_CHANNEL_POSITION_LFE:
 
171
                return "audio-channel-lfe";
 
172
        case PA_CHANNEL_POSITION_SIDE_LEFT:
 
173
                return "audio-channel-side-left";
 
174
        case PA_CHANNEL_POSITION_SIDE_RIGHT:
 
175
                return "audio-channel-side-right";
 
176
        default:
 
177
                return NULL;
 
178
        }
 
179
}
 
180
 
 
181
static const char *
 
182
icon_name (pa_channel_position_t position, gboolean playing)
 
183
{
 
184
        switch (position) {
 
185
        case PA_CHANNEL_POSITION_FRONT_LEFT:
 
186
                return playing ? "audio-speaker-left-testing" : "audio-speaker-left";
 
187
        case PA_CHANNEL_POSITION_FRONT_RIGHT:
 
188
                return playing ? "audio-speaker-right-testing" : "audio-speaker-right";
 
189
        case PA_CHANNEL_POSITION_FRONT_CENTER:
 
190
                return playing ? "audio-speaker-center-testing" : "audio-speaker-center";
 
191
        case PA_CHANNEL_POSITION_REAR_LEFT:
 
192
                return playing ? "audio-speaker-left-back-testing" : "audio-speaker-left-back";
 
193
        case PA_CHANNEL_POSITION_REAR_RIGHT:
 
194
                return playing ? "audio-speaker-right-back-testing" : "audio-speaker-right-back";
 
195
        case PA_CHANNEL_POSITION_REAR_CENTER:
 
196
                return playing ? "audio-speaker-center-back-testing" : "audio-speaker-center-back";
 
197
        case PA_CHANNEL_POSITION_LFE:
 
198
                return playing ? "audio-subwoofer-testing" : "audio-subwoofer";
 
199
        case PA_CHANNEL_POSITION_SIDE_LEFT:
 
200
                return playing ? "audio-speaker-left-side-testing" : "audio-speaker-left-side";
 
201
        case PA_CHANNEL_POSITION_SIDE_RIGHT:
 
202
                return playing ? "audio-speaker-right-side-testing" : "audio-speaker-right-side";
 
203
        default:
 
204
                return NULL;
 
205
        }
 
206
}
 
207
 
 
208
static void
 
209
update_button (GtkWidget *control)
 
210
{
 
211
        GtkWidget *button;
 
212
        GtkWidget *image;
 
213
        pa_channel_position_t position;
 
214
        gboolean playing;
 
215
 
 
216
        button = g_object_get_data (G_OBJECT (control), "button");
 
217
        image = g_object_get_data (G_OBJECT (control), "image");
 
218
        position = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (control), "position"));
 
219
        playing = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (control), "playing"));
 
220
        gtk_button_set_label (GTK_BUTTON (button), playing ? _("Stop") : _("Test"));
 
221
        gtk_image_set_from_icon_name (GTK_IMAGE (image), icon_name (position, playing), GTK_ICON_SIZE_DIALOG);
 
222
}
 
223
 
 
224
static const char *
 
225
pretty_position (pa_channel_position_t position)
 
226
{
 
227
        if (position == PA_CHANNEL_POSITION_LFE)
 
228
                return N_("Subwoofer");
 
229
 
 
230
        return pa_channel_position_to_pretty_string (position);
 
231
}
 
232
 
 
233
static gboolean
 
234
idle_cb (GtkWidget *control)
 
235
{
 
236
        if (control == NULL)
 
237
                return FALSE;
 
238
 
 
239
        /* This is called in the background thread, hence
 
240
         * forward to main thread via idle callback */
 
241
        g_object_set_data (G_OBJECT (control), "playing", GINT_TO_POINTER(FALSE));
 
242
        update_button (control);
 
243
 
 
244
        return FALSE;
 
245
}
 
246
 
 
247
static void
 
248
finish_cb (ca_context *c, uint32_t id, int error_code, void *userdata)
 
249
{
 
250
        GtkWidget *control = (GtkWidget *) userdata;
 
251
 
 
252
        if (error_code == CA_ERROR_DESTROYED || control == NULL)
 
253
                return;
 
254
        g_idle_add ((GSourceFunc) idle_cb, control);
 
255
}
 
256
 
 
257
static void
 
258
on_test_button_clicked (GtkButton *button,
 
259
                        GtkWidget *control)
 
260
{
 
261
        gboolean playing;
 
262
        ca_context *canberra;
 
263
 
 
264
        canberra = g_object_get_data (G_OBJECT (control), "canberra");
 
265
 
 
266
        ca_context_cancel (canberra, 1);
 
267
 
 
268
        playing = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (control), "playing"));
 
269
 
 
270
        if (playing) {
 
271
                g_object_set_data (G_OBJECT (control), "playing", GINT_TO_POINTER(FALSE));
 
272
        } else {
 
273
                pa_channel_position_t position;
 
274
                const char *name;
 
275
                ca_proplist *proplist;
 
276
 
 
277
                position = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (control), "position"));
 
278
 
 
279
                ca_proplist_create (&proplist);
 
280
                ca_proplist_sets (proplist, CA_PROP_MEDIA_ROLE, "test");
 
281
                ca_proplist_sets (proplist, CA_PROP_MEDIA_NAME, pretty_position (position));
 
282
                ca_proplist_sets (proplist, CA_PROP_CANBERRA_FORCE_CHANNEL,
 
283
                                  pa_channel_position_to_string (position));
 
284
                ca_proplist_sets (proplist, CA_PROP_CANBERRA_ENABLE, "1");
 
285
 
 
286
                name = sound_name (position);
 
287
                if (name != NULL) {
 
288
                        ca_proplist_sets (proplist, CA_PROP_EVENT_ID, name);
 
289
                        playing = ca_context_play_full (canberra, 1, proplist, finish_cb, control) >= 0;
 
290
                }
 
291
 
 
292
                if (!playing) {
 
293
                        ca_proplist_sets (proplist, CA_PROP_EVENT_ID, "audio-test-signal");
 
294
                        playing = ca_context_play_full (canberra, 1, proplist, finish_cb, control) >= 0;
 
295
                }
 
296
 
 
297
                if (!playing) {
 
298
                        ca_proplist_sets(proplist, CA_PROP_EVENT_ID, "bell-window-system");
 
299
                        playing = ca_context_play_full (canberra, 1, proplist, finish_cb, control) >= 0;
 
300
                }
 
301
                g_object_set_data (G_OBJECT (control), "playing", GINT_TO_POINTER(playing));
 
302
        }
 
303
 
 
304
        update_button (control);
 
305
}
 
306
 
 
307
static GtkWidget *
 
308
channel_control_new (ca_context *canberra, pa_channel_position_t position)
 
309
{
 
310
        GtkWidget *control;
 
311
        GtkWidget *box;
 
312
        GtkWidget *label;
 
313
        GtkWidget *image;
 
314
        GtkWidget *test_button;
 
315
        const char *name;
 
316
 
 
317
        control = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
 
318
        g_object_set_data (G_OBJECT (control), "playing", GINT_TO_POINTER(FALSE));
 
319
        g_object_set_data (G_OBJECT (control), "position", GINT_TO_POINTER(position));
 
320
        g_object_set_data (G_OBJECT (control), "canberra", canberra);
 
321
 
 
322
        name = icon_name (position, FALSE);
 
323
        if (name == NULL)
 
324
                name = "audio-volume-medium";
 
325
        image = gtk_image_new_from_icon_name (name, GTK_ICON_SIZE_DIALOG);
 
326
        g_object_set_data (G_OBJECT (control), "image", image);
 
327
        gtk_box_pack_start (GTK_BOX (control), image, FALSE, FALSE, 0);
 
328
 
 
329
        label = gtk_label_new (pretty_position (position));
 
330
        gtk_box_pack_start (GTK_BOX (control), label, FALSE, FALSE, 0);
 
331
 
 
332
        test_button = gtk_button_new_with_label (_("Test"));
 
333
 
 
334
        g_signal_connect (G_OBJECT (test_button), "clicked",
 
335
                          G_CALLBACK (on_test_button_clicked), control);
 
336
        g_object_set_data (G_OBJECT (control), "button", test_button);
 
337
 
 
338
        atk_object_add_relationship (gtk_widget_get_accessible (test_button),
 
339
                                     ATK_RELATION_LABELLED_BY,
 
340
                                     gtk_widget_get_accessible (label));
 
341
 
 
342
        box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
 
343
        gtk_box_pack_start (GTK_BOX (box), test_button, TRUE, FALSE, 0);
 
344
        gtk_box_pack_start (GTK_BOX (control), box, FALSE, FALSE, 0);
 
345
 
 
346
        gtk_widget_show_all (control);
 
347
 
 
348
        return control;
 
349
}
 
350
 
 
351
static void
 
352
create_channel_controls (GvcSpeakerTest *speaker_test)
 
353
{
 
354
        guint i;
 
355
 
 
356
        for (i = 0; i < G_N_ELEMENTS (position_table); i += 3) {
 
357
                speaker_test->priv->channel_controls[position_table[i]] = channel_control_new (speaker_test->priv->canberra, (pa_channel_position_t) position_table[i]);
 
358
                gtk_table_attach (GTK_TABLE (speaker_test),
 
359
                                  speaker_test->priv->channel_controls[position_table[i]],
 
360
                                  position_table[i+1],
 
361
                                  position_table[i+1]+1,
 
362
                                  position_table[i+2],
 
363
                                  position_table[i+2]+1,
 
364
                                  GTK_EXPAND, GTK_EXPAND, 0, 0);
 
365
        }
 
366
}
 
367
 
 
368
static void
 
369
update_channel_map (GvcSpeakerTest *speaker_test)
 
370
{
 
371
        guint i;
 
372
        const GvcChannelMap *map;
 
373
 
 
374
        g_return_if_fail (speaker_test->priv->control != NULL);
 
375
        g_return_if_fail (speaker_test->priv->stream != NULL);
 
376
 
 
377
        g_debug ("XXX update_channel_map called XXX");
 
378
 
 
379
        map = gvc_mixer_stream_get_channel_map (speaker_test->priv->stream);
 
380
        g_return_if_fail (map != NULL);
 
381
 
 
382
        ca_context_change_device (speaker_test->priv->canberra,
 
383
                                  gvc_mixer_stream_get_name (speaker_test->priv->stream));
 
384
 
 
385
        for (i = 0; i < G_N_ELEMENTS (position_table); i += 3) {
 
386
                gtk_widget_set_visible (speaker_test->priv->channel_controls[position_table[i]],
 
387
                                        gvc_channel_map_has_position(map, position_table[i]));
 
388
        }
 
389
}
 
390
 
 
391
static void
 
392
gvc_speaker_test_set_theme (ca_context *ca)
 
393
{
 
394
        GtkSettings *settings;
 
395
        char *theme_name;
 
396
 
 
397
        settings = gtk_settings_get_for_screen (gdk_screen_get_default ());
 
398
 
 
399
        g_object_get (G_OBJECT (settings),
 
400
                      "gtk-sound-theme-name", &theme_name,
 
401
                      NULL);
 
402
 
 
403
        if (theme_name)
 
404
                ca_context_change_props (ca, CA_PROP_CANBERRA_XDG_THEME_NAME, theme_name, NULL);
 
405
 
 
406
        g_free (theme_name);
 
407
}
 
408
 
 
409
static void
 
410
gvc_speaker_test_init (GvcSpeakerTest *speaker_test)
 
411
{
 
412
        GtkWidget *face;
 
413
 
 
414
        speaker_test->priv = GVC_SPEAKER_TEST_GET_PRIVATE (speaker_test);
 
415
 
 
416
        ca_context_create (&speaker_test->priv->canberra);
 
417
        ca_context_set_driver (speaker_test->priv->canberra, "pulse");
 
418
        ca_context_change_props (speaker_test->priv->canberra,
 
419
                                 CA_PROP_APPLICATION_ID, "org.gnome.VolumeControl",
 
420
                                 NULL);
 
421
        gvc_speaker_test_set_theme (speaker_test->priv->canberra);
 
422
 
 
423
        gtk_widget_set_direction (GTK_WIDGET (speaker_test), GTK_TEXT_DIR_LTR);
 
424
        gtk_table_resize (GTK_TABLE (speaker_test), 3, 5);
 
425
        gtk_container_set_border_width (GTK_CONTAINER (speaker_test), 12);
 
426
        gtk_table_set_homogeneous (GTK_TABLE (speaker_test), TRUE);
 
427
        gtk_table_set_row_spacings (GTK_TABLE (speaker_test), 12);
 
428
        gtk_table_set_col_spacings (GTK_TABLE (speaker_test), 12);
 
429
 
 
430
        create_channel_controls (speaker_test);
 
431
 
 
432
        face = gtk_image_new_from_icon_name ("face-smile", GTK_ICON_SIZE_DIALOG);
 
433
        gtk_table_attach (GTK_TABLE (speaker_test), face,
 
434
                          2, 3, 1, 2, GTK_EXPAND, GTK_EXPAND, 0, 0);
 
435
        gtk_widget_show (face);
 
436
}
 
437
 
 
438
static void
 
439
gvc_speaker_test_finalize (GObject *object)
 
440
{
 
441
        GvcSpeakerTest *speaker_test;
 
442
 
 
443
        g_return_if_fail (object != NULL);
 
444
        g_return_if_fail (GVC_IS_SPEAKER_TEST (object));
 
445
 
 
446
        speaker_test = GVC_SPEAKER_TEST (object);
 
447
 
 
448
        g_return_if_fail (speaker_test->priv != NULL);
 
449
 
 
450
        g_object_unref (speaker_test->priv->stream);
 
451
        speaker_test->priv->stream = NULL;
 
452
 
 
453
        g_object_unref (speaker_test->priv->control);
 
454
        speaker_test->priv->control = NULL;
 
455
 
 
456
        ca_context_destroy (speaker_test->priv->canberra);
 
457
        speaker_test->priv->canberra = NULL;
 
458
 
 
459
        G_OBJECT_CLASS (gvc_speaker_test_parent_class)->finalize (object);
 
460
}
 
461
 
 
462
GtkWidget *
 
463
gvc_speaker_test_new (GvcMixerControl *control,
 
464
                      GvcMixerStream  *stream)
 
465
{
 
466
        GObject *speaker_test;
 
467
 
 
468
        g_return_val_if_fail (stream != NULL, NULL);
 
469
        g_return_val_if_fail (control != NULL, NULL);
 
470
 
 
471
        speaker_test = g_object_new (GVC_TYPE_SPEAKER_TEST,
 
472
                                  "stream", stream,
 
473
                                  "control", control,
 
474
                                  NULL);
 
475
 
 
476
        return GTK_WIDGET (speaker_test);
 
477
}
 
478