xref: /openbmc/qemu/audio/audio-hmp-cmds.c (revision 176adafc)
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/error.h"
30 #include "qapi/qmp/qdict.h"
31 
32 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
33 
hmp_info_capture(Monitor * mon,const QDict * qdict)34 void hmp_info_capture(Monitor *mon, const QDict *qdict)
35 {
36     int i;
37     CaptureState *s;
38 
39     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
40         monitor_printf(mon, "[%d]: ", i);
41         s->ops.info (s->opaque);
42     }
43 }
44 
hmp_stopcapture(Monitor * mon,const QDict * qdict)45 void hmp_stopcapture(Monitor *mon, const QDict *qdict)
46 {
47     int i;
48     int n = qdict_get_int(qdict, "n");
49     CaptureState *s;
50 
51     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
52         if (i == n) {
53             s->ops.destroy (s->opaque);
54             QLIST_REMOVE (s, entries);
55             g_free (s);
56             return;
57         }
58     }
59 }
60 
hmp_wavcapture(Monitor * mon,const QDict * qdict)61 void hmp_wavcapture(Monitor *mon, const QDict *qdict)
62 {
63     const char *path = qdict_get_str(qdict, "path");
64     int freq = qdict_get_try_int(qdict, "freq", 44100);
65     int bits = qdict_get_try_int(qdict, "bits", 16);
66     int nchannels = qdict_get_try_int(qdict, "nchannels", 2);
67     const char *audiodev = qdict_get_str(qdict, "audiodev");
68     CaptureState *s;
69     Error *local_err = NULL;
70     AudioState *as = audio_state_by_name(audiodev, &local_err);
71 
72     if (!as) {
73         error_report_err(local_err);
74         return;
75     }
76 
77     s = g_malloc0 (sizeof (*s));
78 
79     if (wav_start_capture(as, s, path, freq, bits, nchannels)) {
80         monitor_printf(mon, "Failed to add wave capture\n");
81         g_free (s);
82         return;
83     }
84     QLIST_INSERT_HEAD (&capture_head, s, entries);
85 }
86