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>
35 #include "module-rescue-streams-symdef.h"
37 PA_MODULE_AUTHOR("Lennart Poettering");
38 PA_MODULE_DESCRIPTION("When a sink/source is removed, try to move their streams to the default sink/source");
39 PA_MODULE_VERSION(PACKAGE_VERSION);
40 PA_MODULE_LOAD_ONCE(TRUE);
42 static const char* const valid_modargs[] = {
47 pa_hook_slot *sink_slot, *source_slot;
50 static pa_hook_result_t sink_hook_callback(pa_core *c, pa_sink *sink, void* userdata) {
57 /* There's no point in doing anything if the core is shut down anyway */
58 if (c->state == PA_CORE_SHUTDOWN)
61 if (!pa_idxset_size(sink->inputs)) {
62 pa_log_debug("No sink inputs to move away.");
66 if (!(target = pa_namereg_get(c, NULL, PA_NAMEREG_SINK)) || target == sink) {
69 for (target = pa_idxset_first(c->sinks, &idx); target; target = pa_idxset_next(c->sinks, &idx))
74 pa_log_info("No evacuation sink found.");
79 while ((i = pa_idxset_first(sink->inputs, NULL))) {
80 if (pa_sink_input_move_to(i, target, FALSE) < 0)
81 pa_log_warn("Failed to move sink input %u \"%s\" to %s.", i->index, pa_proplist_gets(i->proplist, PA_PROP_APPLICATION_NAME), target->name);
83 pa_log_info("Sucessfully moved sink input %u \"%s\" to %s.", i->index, pa_proplist_gets(i->proplist, PA_PROP_APPLICATION_NAME), target->name);
90 static pa_hook_result_t source_hook_callback(pa_core *c, pa_source *source, void* userdata) {
97 /* There's no point in doing anything if the core is shut down anyway */
98 if (c->state == PA_CORE_SHUTDOWN)
101 if (!pa_idxset_size(source->outputs)) {
102 pa_log_debug("No source outputs to move away.");
106 if (!(target = pa_namereg_get(c, NULL, PA_NAMEREG_SOURCE)) || target == source) {
109 for (target = pa_idxset_first(c->sources, &idx); target; target = pa_idxset_next(c->sources, &idx))
110 if (target != source && !target->monitor_of == !source->monitor_of)
114 pa_log_info("No evacuation source found.");
119 pa_assert(target != source);
121 while ((o = pa_idxset_first(source->outputs, NULL))) {
122 if (pa_source_output_move_to(o, target, FALSE) < 0)
123 pa_log_warn("Failed to move source output %u \"%s\" to %s.", o->index, pa_proplist_gets(o->proplist, PA_PROP_APPLICATION_NAME), target->name);
125 pa_log_info("Sucessfully moved source output %u \"%s\" to %s.", o->index, pa_proplist_gets(o->proplist, PA_PROP_APPLICATION_NAME), target->name);
132 int pa__init(pa_module*m) {
133 pa_modargs *ma = NULL;
138 if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
139 pa_log("Failed to parse module arguments");
143 m->userdata = u = pa_xnew(struct userdata, 1);
144 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);
145 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);
151 void pa__done(pa_module*m) {
161 pa_hook_slot_free(u->sink_slot);
163 pa_hook_slot_free(u->source_slot);