xref: /qemu/audio/audio-hmp-cmds.c (revision 29b62a10)
1 /*
2  * HMP commands related to audio backends
3  *
4  * Copyright (c) 2003-2004 Fabrice Bellard
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to deal
8  * in the Software without restriction, including without limitation the rights
9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10  * copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 
25 #include "qemu/osdep.h"
26 #include "audio/audio.h"
27 #include "monitor/hmp.h"
28 #include "monitor/monitor.h"
29 #include "qapi/qmp/qdict.h"
30 
31 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
32 
33 void hmp_info_capture(Monitor *mon, const QDict *qdict)
34 {
35     int i;
36     CaptureState *s;
37 
38     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
39         monitor_printf(mon, "[%d]: ", i);
40         s->ops.info (s->opaque);
41     }
42 }
43 
44 void hmp_stopcapture(Monitor *mon, const QDict *qdict)
45 {
46     int i;
47     int n = qdict_get_int(qdict, "n");
48     CaptureState *s;
49 
50     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
51         if (i == n) {
52             s->ops.destroy (s->opaque);
53             QLIST_REMOVE (s, entries);
54             g_free (s);
55             return;
56         }
57     }
58 }
59 
60 void hmp_wavcapture(Monitor *mon, const QDict *qdict)
61 {
62     const char *path = qdict_get_str(qdict, "path");
63     int freq = qdict_get_try_int(qdict, "freq", 44100);
64     int bits = qdict_get_try_int(qdict, "bits", 16);
65     int nchannels = qdict_get_try_int(qdict, "nchannels", 2);
66     const char *audiodev = qdict_get_str(qdict, "audiodev");
67     CaptureState *s;
68     AudioState *as = audio_state_by_name(audiodev);
69 
70     if (!as) {
71         monitor_printf(mon, "Audiodev '%s' not found\n", audiodev);
72         return;
73     }
74 
75     s = g_malloc0 (sizeof (*s));
76 
77     if (wav_start_capture(as, s, path, freq, bits, nchannels)) {
78         monitor_printf(mon, "Failed to add wave capture\n");
79         g_free (s);
80         return;
81     }
82     QLIST_INSERT_HEAD (&capture_head, s, entries);
83 }
84