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/error.h"
  30 #include "qapi/qmp/qdict.h"
  31
  32 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
  33
  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
  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
  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 }