audio/audio-hmp-cmds.c

   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 }