mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-11-05 13:29:57 -05:00
5effc83479
FSF addresses used in PA sources are no longer valid and rpmlint generates numerous warnings during packaging because of this. This patch changes all FSF addresses to FSF web page according to the GPL how-to: https://www.gnu.org/licenses/gpl-howto.en.html Done automatically by sed-ing through sources.
445 lines
13 KiB
C
445 lines
13 KiB
C
/***
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This file is part of PulseAudio.
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Copyright 2009 Lennart Poettering
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PulseAudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2.1 of the License,
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or (at your option) any later version.
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PulseAudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
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***/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <pulse/xmalloc.h>
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#include <pulsecore/module.h>
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#include <pulsecore/core-util.h>
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#include <pulsecore/modargs.h>
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#include <pulsecore/log.h>
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#include <pulsecore/sink-input.h>
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#include <pulsecore/source-output.h>
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#include <pulsecore/namereg.h>
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#include "module-intended-roles-symdef.h"
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PA_MODULE_AUTHOR("Lennart Poettering");
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PA_MODULE_DESCRIPTION("Automatically set device of streams based on intended roles of devices");
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PA_MODULE_VERSION(PACKAGE_VERSION);
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PA_MODULE_LOAD_ONCE(true);
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PA_MODULE_USAGE(
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"on_hotplug=<When new device becomes available, recheck streams?> "
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"on_rescue=<When device becomes unavailable, recheck streams?>");
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static const char* const valid_modargs[] = {
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"on_hotplug",
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"on_rescue",
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NULL
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};
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struct userdata {
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pa_core *core;
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pa_module *module;
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pa_hook_slot
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*sink_input_new_hook_slot,
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*source_output_new_hook_slot,
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*sink_put_hook_slot,
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*source_put_hook_slot,
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*sink_unlink_hook_slot,
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*source_unlink_hook_slot;
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bool on_hotplug:1;
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bool on_rescue:1;
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};
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static bool role_match(pa_proplist *proplist, const char *role) {
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return pa_str_in_list_spaces(pa_proplist_gets(proplist, PA_PROP_DEVICE_INTENDED_ROLES), role);
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}
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static pa_hook_result_t sink_input_new_hook_callback(pa_core *c, pa_sink_input_new_data *new_data, struct userdata *u) {
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const char *role;
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pa_sink *s, *def;
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uint32_t idx;
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pa_assert(c);
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pa_assert(new_data);
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pa_assert(u);
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if (!new_data->proplist) {
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pa_log_debug("New stream lacks property data.");
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return PA_HOOK_OK;
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}
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if (new_data->sink) {
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pa_log_debug("Not setting device for stream %s, because already set.", pa_strnull(pa_proplist_gets(new_data->proplist, PA_PROP_MEDIA_NAME)));
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return PA_HOOK_OK;
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}
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if (!(role = pa_proplist_gets(new_data->proplist, PA_PROP_MEDIA_ROLE))) {
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pa_log_debug("Not setting device for stream %s, because it lacks role.", pa_strnull(pa_proplist_gets(new_data->proplist, PA_PROP_MEDIA_NAME)));
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return PA_HOOK_OK;
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}
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/* Prefer the default sink over any other sink, just in case... */
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if ((def = pa_namereg_get_default_sink(c)))
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if (role_match(def->proplist, role) && pa_sink_input_new_data_set_sink(new_data, def, false))
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return PA_HOOK_OK;
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/* @todo: favour the highest priority device, not the first one we find? */
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PA_IDXSET_FOREACH(s, c->sinks, idx) {
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if (s == def)
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continue;
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if (!PA_SINK_IS_LINKED(pa_sink_get_state(s)))
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continue;
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if (role_match(s->proplist, role) && pa_sink_input_new_data_set_sink(new_data, s, false))
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return PA_HOOK_OK;
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}
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return PA_HOOK_OK;
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}
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static pa_hook_result_t source_output_new_hook_callback(pa_core *c, pa_source_output_new_data *new_data, struct userdata *u) {
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const char *role;
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pa_source *s, *def;
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uint32_t idx;
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pa_assert(c);
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pa_assert(new_data);
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pa_assert(u);
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if (!new_data->proplist) {
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pa_log_debug("New stream lacks property data.");
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return PA_HOOK_OK;
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}
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if (new_data->source) {
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pa_log_debug("Not setting device for stream %s, because already set.", pa_strnull(pa_proplist_gets(new_data->proplist, PA_PROP_MEDIA_NAME)));
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return PA_HOOK_OK;
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}
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if (!(role = pa_proplist_gets(new_data->proplist, PA_PROP_MEDIA_ROLE))) {
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pa_log_debug("Not setting device for stream %s, because it lacks role.", pa_strnull(pa_proplist_gets(new_data->proplist, PA_PROP_MEDIA_NAME)));
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return PA_HOOK_OK;
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}
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/* Prefer the default source over any other source, just in case... */
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if ((def = pa_namereg_get_default_source(c)))
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if (role_match(def->proplist, role)) {
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pa_source_output_new_data_set_source(new_data, def, false);
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return PA_HOOK_OK;
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}
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PA_IDXSET_FOREACH(s, c->sources, idx) {
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if (s->monitor_of)
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continue;
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if (s == def)
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continue;
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if (!PA_SOURCE_IS_LINKED(pa_source_get_state(s)))
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continue;
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/* @todo: favour the highest priority device, not the first one we find? */
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if (role_match(s->proplist, role)) {
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pa_source_output_new_data_set_source(new_data, s, false);
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return PA_HOOK_OK;
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}
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}
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return PA_HOOK_OK;
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}
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static pa_hook_result_t sink_put_hook_callback(pa_core *c, pa_sink *sink, struct userdata *u) {
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pa_sink_input *si;
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uint32_t idx;
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pa_assert(c);
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pa_assert(sink);
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pa_assert(u);
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pa_assert(u->on_hotplug);
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PA_IDXSET_FOREACH(si, c->sink_inputs, idx) {
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const char *role;
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if (si->sink == sink)
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continue;
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if (si->save_sink)
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continue;
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/* Skip this if it is already in the process of being moved
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* anyway */
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if (!si->sink)
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continue;
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/* It might happen that a stream and a sink are set up at the
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same time, in which case we want to make sure we don't
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interfere with that */
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if (!PA_SINK_INPUT_IS_LINKED(pa_sink_input_get_state(si)))
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continue;
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if (!(role = pa_proplist_gets(si->proplist, PA_PROP_MEDIA_ROLE)))
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continue;
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if (role_match(si->sink->proplist, role))
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continue;
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if (!role_match(sink->proplist, role))
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continue;
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pa_sink_input_move_to(si, sink, false);
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}
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return PA_HOOK_OK;
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}
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static pa_hook_result_t source_put_hook_callback(pa_core *c, pa_source *source, struct userdata *u) {
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pa_source_output *so;
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uint32_t idx;
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pa_assert(c);
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pa_assert(source);
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pa_assert(u);
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pa_assert(u->on_hotplug);
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if (source->monitor_of)
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return PA_HOOK_OK;
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PA_IDXSET_FOREACH(so, c->source_outputs, idx) {
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const char *role;
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if (so->source == source)
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continue;
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if (so->save_source)
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continue;
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if (so->direct_on_input)
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continue;
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/* Skip this if it is already in the process of being moved
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* anyway */
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if (!so->source)
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continue;
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/* It might happen that a stream and a source are set up at the
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same time, in which case we want to make sure we don't
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interfere with that */
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if (!PA_SOURCE_OUTPUT_IS_LINKED(pa_source_output_get_state(so)))
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continue;
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if (!(role = pa_proplist_gets(so->proplist, PA_PROP_MEDIA_ROLE)))
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continue;
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if (role_match(so->source->proplist, role))
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continue;
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if (!role_match(source->proplist, role))
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continue;
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pa_source_output_move_to(so, source, false);
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}
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return PA_HOOK_OK;
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}
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static pa_hook_result_t sink_unlink_hook_callback(pa_core *c, pa_sink *sink, struct userdata *u) {
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pa_sink_input *si;
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uint32_t idx;
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pa_sink *def;
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pa_assert(c);
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pa_assert(sink);
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pa_assert(u);
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pa_assert(u->on_rescue);
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/* There's no point in doing anything if the core is shut down anyway */
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if (c->state == PA_CORE_SHUTDOWN)
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return PA_HOOK_OK;
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/* If there not default sink, then there is no sink at all */
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if (!(def = pa_namereg_get_default_sink(c)))
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return PA_HOOK_OK;
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PA_IDXSET_FOREACH(si, sink->inputs, idx) {
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const char *role;
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uint32_t jdx;
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pa_sink *d;
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if (!si->sink)
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continue;
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if (!(role = pa_proplist_gets(si->proplist, PA_PROP_MEDIA_ROLE)))
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continue;
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/* Would the default sink fit? If so, let's use it */
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if (def != sink && role_match(def->proplist, role))
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if (pa_sink_input_move_to(si, def, false) >= 0)
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continue;
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/* Try to find some other fitting sink */
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/* @todo: favour the highest priority device, not the first one we find? */
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PA_IDXSET_FOREACH(d, c->sinks, jdx) {
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if (d == def || d == sink)
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continue;
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if (!PA_SINK_IS_LINKED(pa_sink_get_state(d)))
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continue;
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if (role_match(d->proplist, role))
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if (pa_sink_input_move_to(si, d, false) >= 0)
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break;
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}
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}
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return PA_HOOK_OK;
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}
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static pa_hook_result_t source_unlink_hook_callback(pa_core *c, pa_source *source, struct userdata *u) {
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pa_source_output *so;
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uint32_t idx;
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pa_source *def;
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pa_assert(c);
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pa_assert(source);
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pa_assert(u);
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pa_assert(u->on_rescue);
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/* There's no point in doing anything if the core is shut down anyway */
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if (c->state == PA_CORE_SHUTDOWN)
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return PA_HOOK_OK;
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/* If there not default source, then there is no source at all */
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if (!(def = pa_namereg_get_default_source(c)))
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return PA_HOOK_OK;
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PA_IDXSET_FOREACH(so, source->outputs, idx) {
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const char *role;
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uint32_t jdx;
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pa_source *d;
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if (so->direct_on_input)
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continue;
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if (!so->source)
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continue;
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if (!(role = pa_proplist_gets(so->proplist, PA_PROP_MEDIA_ROLE)))
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continue;
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/* Would the default source fit? If so, let's use it */
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if (def != source && role_match(def->proplist, role) && !source->monitor_of == !def->monitor_of) {
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pa_source_output_move_to(so, def, false);
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continue;
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}
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/* Try to find some other fitting source */
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/* @todo: favour the highest priority device, not the first one we find? */
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PA_IDXSET_FOREACH(d, c->sources, jdx) {
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if (d == def || d == source)
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continue;
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if (!PA_SOURCE_IS_LINKED(pa_source_get_state(d)))
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continue;
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/* If moving from a monitor, move to another monitor */
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if (!source->monitor_of == !d->monitor_of && role_match(d->proplist, role)) {
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pa_source_output_move_to(so, d, false);
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break;
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}
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}
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}
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return PA_HOOK_OK;
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}
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int pa__init(pa_module*m) {
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pa_modargs *ma = NULL;
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struct userdata *u;
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bool on_hotplug = true, on_rescue = true;
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pa_assert(m);
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if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
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pa_log("Failed to parse module arguments");
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goto fail;
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}
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if (pa_modargs_get_value_boolean(ma, "on_hotplug", &on_hotplug) < 0 ||
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pa_modargs_get_value_boolean(ma, "on_rescue", &on_rescue) < 0) {
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pa_log("on_hotplug= and on_rescue= expect boolean arguments");
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goto fail;
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}
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m->userdata = u = pa_xnew0(struct userdata, 1);
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u->core = m->core;
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u->module = m;
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u->on_hotplug = on_hotplug;
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u->on_rescue = on_rescue;
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/* A little bit later than module-stream-restore */
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u->sink_input_new_hook_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_NEW], PA_HOOK_EARLY+10, (pa_hook_cb_t) sink_input_new_hook_callback, u);
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u->source_output_new_hook_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_NEW], PA_HOOK_EARLY+10, (pa_hook_cb_t) source_output_new_hook_callback, u);
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if (on_hotplug) {
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/* A little bit later than module-stream-restore */
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u->sink_put_hook_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_PUT], PA_HOOK_LATE+10, (pa_hook_cb_t) sink_put_hook_callback, u);
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u->source_put_hook_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_PUT], PA_HOOK_LATE+10, (pa_hook_cb_t) source_put_hook_callback, u);
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}
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if (on_rescue) {
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/* A little bit later than module-stream-restore, a little bit earlier than module-rescue-streams, ... */
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u->sink_unlink_hook_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_UNLINK], PA_HOOK_LATE+10, (pa_hook_cb_t) sink_unlink_hook_callback, u);
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u->source_unlink_hook_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_UNLINK], PA_HOOK_LATE+10, (pa_hook_cb_t) source_unlink_hook_callback, u);
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}
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pa_modargs_free(ma);
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return 0;
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fail:
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pa__done(m);
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if (ma)
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pa_modargs_free(ma);
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return -1;
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}
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void pa__done(pa_module*m) {
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struct userdata* u;
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pa_assert(m);
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if (!(u = m->userdata))
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return;
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if (u->sink_input_new_hook_slot)
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pa_hook_slot_free(u->sink_input_new_hook_slot);
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if (u->source_output_new_hook_slot)
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pa_hook_slot_free(u->source_output_new_hook_slot);
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if (u->sink_put_hook_slot)
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pa_hook_slot_free(u->sink_put_hook_slot);
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if (u->source_put_hook_slot)
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pa_hook_slot_free(u->source_put_hook_slot);
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if (u->sink_unlink_hook_slot)
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pa_hook_slot_free(u->sink_unlink_hook_slot);
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if (u->source_unlink_hook_slot)
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pa_hook_slot_free(u->source_unlink_hook_slot);
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pa_xfree(u);
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}
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