2 This file is part of PulseAudio.
4 Copyright 2006 Lennart Poettering
6 PulseAudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published
8 by the Free Software Foundation; either version 2.1 of the License,
9 or (at your option) any later version.
11 PulseAudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with PulseAudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
26 #include <pulse/xmalloc.h>
28 #include <pulsecore/core.h>
29 #include <pulsecore/sink-input.h>
30 #include <pulsecore/source-output.h>
31 #include <pulsecore/modargs.h>
32 #include <pulsecore/log.h>
33 #include <pulsecore/namereg.h>
34 #include <pulsecore/core-util.h>
36 #include "module-rescue-streams-symdef.h"
38 PA_MODULE_AUTHOR("Lennart Poettering");
39 PA_MODULE_DESCRIPTION("When a sink/source is removed, try to move their streams to the default sink/source");
40 PA_MODULE_VERSION(PACKAGE_VERSION);
41 PA_MODULE_LOAD_ONCE(TRUE);
43 static const char* const valid_modargs[] = {
48 pa_hook_slot *sink_slot, *source_slot;
51 static pa_hook_result_t sink_hook_callback(pa_core *c, pa_sink *sink, void* userdata) {
59 /* There's no point in doing anything if the core is shut down anyway */
60 if (c->state == PA_CORE_SHUTDOWN)
63 if (pa_idxset_size(sink->inputs) <= 0) {
64 pa_log_debug("No sink inputs to move away.");
68 if (!(target = pa_namereg_get(c, NULL, PA_NAMEREG_SINK)) || target == sink) {
70 PA_IDXSET_FOREACH(target, c->sinks, idx)
75 pa_log_info("No evacuation sink found.");
80 pa_assert(target != sink);
82 PA_IDXSET_FOREACH(i, sink->inputs, idx) {
83 if (pa_sink_input_move_to(i, target, FALSE) < 0)
84 pa_log_info("Failed to move sink input %u \"%s\" to %s.", i->index,
85 pa_strnull(pa_proplist_gets(i->proplist, PA_PROP_APPLICATION_NAME)), target->name);
87 pa_log_info("Sucessfully moved sink input %u \"%s\" to %s.", i->index,
88 pa_strnull(pa_proplist_gets(i->proplist, PA_PROP_APPLICATION_NAME)), target->name);
94 static pa_hook_result_t source_hook_callback(pa_core *c, pa_source *source, void* userdata) {
102 /* There's no point in doing anything if the core is shut down anyway */
103 if (c->state == PA_CORE_SHUTDOWN)
106 if (pa_idxset_size(source->outputs) <= 0) {
107 pa_log_debug("No source outputs to move away.");
111 if (!(target = pa_namereg_get(c, NULL, PA_NAMEREG_SOURCE)) || target == source) {
113 PA_IDXSET_FOREACH(target, c->sources, idx)
114 if (target != source && !target->monitor_of == !source->monitor_of)
118 pa_log_info("No evacuation source found.");
123 pa_assert(target != source);
125 PA_IDXSET_FOREACH(o, source->outputs, idx) {
126 if (pa_source_output_move_to(o, target, FALSE) < 0)
127 pa_log_info("Failed to move source output %u \"%s\" to %s.", o->index,
128 pa_strnull(pa_proplist_gets(o->proplist, PA_PROP_APPLICATION_NAME)), target->name);
130 pa_log_info("Sucessfully moved source output %u \"%s\" to %s.", o->index,
131 pa_strnull(pa_proplist_gets(o->proplist, PA_PROP_APPLICATION_NAME)), target->name);
137 int pa__init(pa_module*m) {
143 if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
144 pa_log("Failed to parse module arguments");
148 m->userdata = u = pa_xnew(struct userdata, 1);
149 u->sink_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_UNLINK], PA_HOOK_LATE, (pa_hook_cb_t) sink_hook_callback, NULL);
150 u->source_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_UNLINK], PA_HOOK_LATE, (pa_hook_cb_t) source_hook_callback, NULL);
156 void pa__done(pa_module*m) {
161 if (!(u = m->userdata))
165 pa_hook_slot_free(u->sink_slot);
167 pa_hook_slot_free(u->source_slot);