src/pulsecore/device-port.c

   1 /***
   2   This file is part of PulseAudio.
   3
   4   Copyright 2004-2006 Lennart Poettering
   5   Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
   6   Copyright 2011 David Henningsson, Canonical Ltd.
   7
   8   PulseAudio is free software; you can redistribute it and/or modify
   9   it under the terms of the GNU Lesser General Public License as published
  10   by the Free Software Foundation; either version 2.1 of the License,
  11   or (at your option) any later version.
  12
  13   PulseAudio is distributed in the hope that it will be useful, but
  14   WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16   General Public License for more details.
  17
  18   You should have received a copy of the GNU Lesser General Public License
  19   along with PulseAudio; if not, write to the Free Software
  20   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  21   USA.
  22 ***/
  23
  24 #include "device-port.h"
  25 #include <pulsecore/card.h>
  26
  27 PA_DEFINE_PUBLIC_CLASS(pa_device_port, pa_object);
  28
  29 void pa_device_port_set_available(pa_device_port *p, pa_port_available_t status)
  30 {
  31     uint32_t state;
  32     pa_card *card;
  33 /*    pa_source *source;
  34     pa_sink *sink; */
  35     pa_core *core;
  36
  37     pa_assert(p);
  38
  39     if (p->available == status)
  40         return;
  41
  42     pa_assert(status != PA_PORT_AVAILABLE_UNKNOWN);
  43
  44     p->available = status;
  45     pa_log_debug("Setting port %s to status %s", p->name, status == PA_PORT_AVAILABLE_YES ? "yes" : "no");
  46
  47     /* Post subscriptions to the card which owns us */
  48     pa_assert_se(core = p->core);
  49     PA_IDXSET_FOREACH(card, core->cards, state)
  50         if (p == pa_hashmap_get(card->ports, p->name))
  51             pa_subscription_post(core, PA_SUBSCRIPTION_EVENT_CARD|PA_SUBSCRIPTION_EVENT_CHANGE, card->index);
  52 #if 0
  53 /* This stuff is temporarily commented out while figuring out whether to actually do this */
  54     if (p->is_output)
  55         PA_IDXSET_FOREACH(sink, core->sinks, state)
  56             if (p == pa_hashmap_get(sink->ports, p->name))
  57                 pa_subscription_post(core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, sink->index);
  58     if (p->is_input)
  59         PA_IDXSET_FOREACH(source, core->sources, state)
  60             if (p == pa_hashmap_get(source->ports, p->name))
  61                 pa_subscription_post(core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, source->index);
  62 #endif
  63
  64     pa_hook_fire(&core->hooks[PA_CORE_HOOK_PORT_AVAILABLE_CHANGED], p);
  65 }
  66
  67 static void device_port_free(pa_object *o) {
  68     pa_device_port *p = PA_DEVICE_PORT(o);
  69
  70     pa_assert(p);
  71     pa_assert(pa_device_port_refcnt(p) == 0);
  72
  73     if (p->profiles)
  74         pa_hashmap_free(p->profiles, NULL, NULL);
  75     pa_xfree(p->name);
  76     pa_xfree(p->description);
  77     pa_xfree(p);
  78 }
  79
  80
  81 pa_device_port *pa_device_port_new(pa_core *c, const char *name, const char *description, size_t extra) {
  82     pa_device_port *p;
  83
  84     pa_assert(name);
  85
  86     p = PA_DEVICE_PORT(pa_object_new_internal(PA_ALIGN(sizeof(pa_device_port)) + extra, pa_device_port_type_id, pa_device_port_check_type));
  87     p->parent.free = device_port_free;
  88
  89     p->name = pa_xstrdup(name);
  90     p->description = pa_xstrdup(description);
  91     p->core = c;
  92     p->priority = 0;
  93     p->available = PA_PORT_AVAILABLE_UNKNOWN;
  94     p->profiles = NULL;
  95     p->is_input = FALSE;
  96     p->is_output = FALSE;
  97
  98     return p;
  99 }
 100
 101 void pa_device_port_hashmap_free(pa_hashmap *h) {
 102     pa_device_port *p;
 103
 104     pa_assert(h);
 105
 106     while ((p = pa_hashmap_steal_first(h)))
 107         pa_device_port_unref(p);
 108
 109     pa_hashmap_free(h, NULL, NULL);
 110 }