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