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pulseaudio/src/modules/stream-interaction.c
Georg Chini 6473e9ed0e stream-interaction: Fix regression when a trigger role is also a cork role 
If the same role is named in trigger_roles and cork_roles, a stream with that
role will crash PA. This patch fixes the crash and re-introduces the old
behavior, so that for example specifying trigger_roles=alarm, phone and
cork_roles=alarm, multimedia means that a phone stream will cork alarm and
multimedia streams while an alarm stream will only cork multimedia streams.

Part-of: <https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/767>
2023-01-21 10:06:57 +00:00

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/***
This file is part of PulseAudio.
Copyright 2009 Lennart Poettering
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2.1 of the License,
or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <pulse/xmalloc.h>
#include <pulse/volume.h>
#include <pulsecore/macro.h>
#include <pulsecore/hashmap.h>
#include <pulsecore/hook-list.h>
#include <pulsecore/core.h>
#include <pulsecore/core-util.h>
#include <pulsecore/sink-input.h>
#include <pulsecore/modargs.h>
#include "stream-interaction.h"
struct group {
char *name;
pa_idxset *trigger_roles;
pa_idxset *interaction_roles;
pa_hashmap *interaction_state;
pa_volume_t volume;
};
struct userdata {
pa_core *core;
uint32_t n_groups;
struct group **groups;
bool global:1;
bool duck:1;
bool source_trigger:1;
pa_hook_slot
*sink_input_put_slot,
*sink_input_unlink_slot,
*sink_input_move_start_slot,
*sink_input_move_finish_slot,
*sink_input_state_changed_slot,
*sink_input_mute_changed_slot,
*sink_input_proplist_changed_slot,
*source_output_put_slot,
*source_output_unlink_slot,
*source_output_move_start_slot,
*source_output_move_finish_slot,
*source_output_state_changed_slot,
*source_output_mute_changed_slot,
*source_output_proplist_changed_slot;
};
static inline pa_object* GET_DEVICE_FROM_STREAM(pa_object *stream) {
return pa_sink_input_isinstance(stream) ? PA_OBJECT(PA_SINK_INPUT(stream)->sink) : PA_OBJECT(PA_SOURCE_OUTPUT(stream)->source);
}
static inline pa_proplist* GET_PROPLIST_FROM_STREAM(pa_object *stream) {
return pa_sink_input_isinstance(stream) ? PA_SINK_INPUT(stream)->proplist : PA_SOURCE_OUTPUT(stream)->proplist;
}
static const char *get_trigger_role(struct userdata *u, pa_object *stream, struct group *g) {
const char *role, *trigger_role;
uint32_t role_idx;
if (!(role = pa_proplist_gets(GET_PROPLIST_FROM_STREAM(stream), PA_PROP_MEDIA_ROLE)))
role = "no_role";
if (g == NULL) {
/* get it from all groups */
uint32_t j;
for (j = 0; j < u->n_groups; j++) {
PA_IDXSET_FOREACH(trigger_role, u->groups[j]->trigger_roles, role_idx) {
if (pa_streq(role, trigger_role))
return trigger_role;
}
}
} else {
PA_IDXSET_FOREACH(trigger_role, g->trigger_roles, role_idx) {
if (pa_streq(role, trigger_role))
return trigger_role;
}
}
return NULL;
}
static const char *find_trigger_stream(struct userdata *u, pa_object *current_stream, pa_object *device, pa_object *ignore_stream, struct group *g) {
pa_object *j;
uint32_t idx;
const char *trigger_role;
pa_assert(u);
pa_object_assert_ref(device);
/* If the current stream is a trigger stream, return the role of this stream, otherwise
* return the role of the first trigger stream that is found on the device. */
trigger_role = get_trigger_role(u, current_stream, g);
if (GET_DEVICE_FROM_STREAM(current_stream) == device && current_stream != ignore_stream && trigger_role) {
if (pa_sink_isinstance(device)) {
if (!PA_SINK_INPUT(current_stream)->muted &&
PA_SINK_INPUT(current_stream)->state != PA_SINK_INPUT_CORKED)
return trigger_role;
} else {
if (!PA_SOURCE_OUTPUT(current_stream)->muted &&
PA_SOURCE_OUTPUT(current_stream)->state != PA_SOURCE_OUTPUT_CORKED)
return trigger_role;
}
}
PA_IDXSET_FOREACH(j, pa_sink_isinstance(device) ? PA_SINK(device)->inputs : PA_SOURCE(device)->outputs, idx) {
if (j == ignore_stream)
continue;
if (!(trigger_role = get_trigger_role(u, PA_OBJECT(j), g)))
continue;
if (pa_sink_isinstance(device)) {
if (!PA_SINK_INPUT(j)->muted &&
PA_SINK_INPUT(j)->state != PA_SINK_INPUT_CORKED)
return trigger_role;
} else {
if (!PA_SOURCE_OUTPUT(j)->muted &&
PA_SOURCE_OUTPUT(j)->state != PA_SOURCE_OUTPUT_CORKED)
return trigger_role;
}
}
return NULL;
}
static const char *find_global_trigger_stream(struct userdata *u, pa_object *current_stream, pa_object *ignore_stream, struct group *g) {
const char *trigger_role = NULL;
pa_sink *sink;
pa_source *source;
uint32_t idx;
pa_assert(u);
/* Check device of current stream first in case the current stream is a trigger stream. */
if ((trigger_role = find_trigger_stream(u, current_stream, GET_DEVICE_FROM_STREAM(current_stream), ignore_stream, g)))
return trigger_role;
/* Find any trigger role among the sink-inputs and source-outputs. */
PA_IDXSET_FOREACH(sink, u->core->sinks, idx)
if ((trigger_role = find_trigger_stream(u, current_stream, PA_OBJECT(sink), ignore_stream, g)))
break;
if (!u->source_trigger || trigger_role)
return trigger_role;
PA_IDXSET_FOREACH(source, u->core->sources, idx)
if ((trigger_role = find_trigger_stream(u, current_stream, PA_OBJECT(source), ignore_stream, g)))
break;
return trigger_role;
}
static void cork_or_duck(struct userdata *u, pa_sink_input *i, const char *interaction_role, const char *trigger_role, bool interaction_applied, struct group *g) {
if (u->duck && !interaction_applied) {
pa_cvolume vol;
vol.channels = 1;
vol.values[0] = g->volume;
pa_log_debug("Found a '%s' stream of '%s' that ducks a '%s' stream.", trigger_role, g->name, interaction_role);
pa_sink_input_add_volume_factor(i, g->name, &vol);
} else if (!u->duck) {
pa_log_debug("Found a '%s' stream that corks/mutes a '%s' stream.", trigger_role, interaction_role);
pa_sink_input_set_mute(i, true, false);
pa_sink_input_send_event(i, PA_STREAM_EVENT_REQUEST_CORK, NULL);
}
}
static void uncork_or_unduck(struct userdata *u, pa_sink_input *i, const char *interaction_role, bool corked, struct group *g) {
if (u->duck) {
pa_log_debug("In '%s', found a '%s' stream that should be unducked", g->name, interaction_role);
pa_sink_input_remove_volume_factor(i, g->name);
}
else if (corked || i->muted) {
pa_log_debug("Found a '%s' stream that should be uncorked/unmuted.", interaction_role);
if (i->muted)
pa_sink_input_set_mute(i, false, false);
if (corked)
pa_sink_input_send_event(i, PA_STREAM_EVENT_REQUEST_UNCORK, NULL);
}
}
static inline void apply_interaction_to_sink(struct userdata *u, pa_sink *s, const char *new_trigger, pa_sink_input *ignore_stream, bool new_stream, struct group *g) {
pa_sink_input *j;
uint32_t idx, role_idx;
const char *interaction_role;
bool trigger = false;
pa_assert(u);
pa_sink_assert_ref(s);
PA_IDXSET_FOREACH(j, s->inputs, idx) {
bool corked, interaction_applied;
const char *role;
if (j == ignore_stream)
continue;
if (!(role = pa_proplist_gets(j->proplist, PA_PROP_MEDIA_ROLE)))
role = "no_role";
PA_IDXSET_FOREACH(interaction_role, g->interaction_roles, role_idx) {
if ((trigger = (pa_streq(interaction_role, role) && (!get_trigger_role(u, PA_OBJECT(j), g) || !pa_safe_streq(new_trigger, role)))))
break;
if ((trigger = (pa_streq(interaction_role, "any_role") && !get_trigger_role(u, PA_OBJECT(j), g))))
break;
}
if (!trigger)
continue;
/* Some applications start their streams corked, so the stream is uncorked by */
/* the application only after sink_input_put() was called. If a new stream turns */
/* up, act as if it was not corked. In the case of module-role-cork this will */
/* only mute the stream because corking is reverted later by the application */
corked = (j->state == PA_SINK_INPUT_CORKED);
if (new_stream && corked)
corked = false;
interaction_applied = !!pa_hashmap_get(g->interaction_state, j);
if (new_trigger && ((!corked && !j->muted) || u->duck)) {
if (!interaction_applied)
pa_hashmap_put(g->interaction_state, j, PA_INT_TO_PTR(1));
cork_or_duck(u, j, role, new_trigger, interaction_applied, g);
} else if (!new_trigger && interaction_applied) {
pa_hashmap_remove(g->interaction_state, j);
uncork_or_unduck(u, j, role, corked, g);
}
}
}
static void apply_interaction_global(struct userdata *u, const char *trigger_role, pa_sink_input *ignore_stream, bool new_stream, struct group *g) {
uint32_t idx;
pa_sink *s;
pa_assert(u);
PA_IDXSET_FOREACH(s, u->core->sinks, idx)
apply_interaction_to_sink(u, s, trigger_role, ignore_stream, new_stream, g);
}
static void remove_interactions(struct userdata *u, struct group *g) {
uint32_t idx, idx_input;
pa_sink *s;
pa_sink_input *j;
bool corked;
const char *role;
PA_IDXSET_FOREACH(s, u->core->sinks, idx) {
PA_IDXSET_FOREACH(j, s->inputs, idx_input) {
if(!!pa_hashmap_get(g->interaction_state, j)) {
corked = (j->state == PA_SINK_INPUT_CORKED);
if (!(role = pa_proplist_gets(j->proplist, PA_PROP_MEDIA_ROLE)))
role = "no_role";
uncork_or_unduck(u, j, role, corked, g);
}
}
}
}
static pa_hook_result_t process(struct userdata *u, pa_object *stream, bool create, bool new_stream) {
const char *trigger_role;
uint32_t j;
pa_assert(u);
pa_object_assert_ref(stream);
if (!create)
for (j = 0; j < u->n_groups; j++)
pa_hashmap_remove(u->groups[j]->interaction_state, stream);
if ((pa_sink_input_isinstance(stream) && !PA_SINK_INPUT(stream)->sink) ||
(pa_source_output_isinstance(stream) && !PA_SOURCE_OUTPUT(stream)->source))
return PA_HOOK_OK;
if (pa_source_output_isinstance(stream)) {
if (!u->source_trigger)
return PA_HOOK_OK;
/* If it is triggered from source-output with false of global option, no need to apply interaction. */
if (!u->global)
return PA_HOOK_OK;
}
for (j = 0; j < u->n_groups; j++) {
if (u->global) {
trigger_role = find_global_trigger_stream(u, stream, create ? NULL : stream, u->groups[j]);
apply_interaction_global(u, trigger_role, create ? NULL : (pa_sink_input_isinstance(stream) ? PA_SINK_INPUT(stream) : NULL), new_stream, u->groups[j]);
} else {
trigger_role = find_trigger_stream(u, stream, GET_DEVICE_FROM_STREAM(stream), create ? NULL : stream, u->groups[j]);
if (pa_sink_input_isinstance(stream))
apply_interaction_to_sink(u, PA_SINK_INPUT(stream)->sink, trigger_role, create ? NULL : PA_SINK_INPUT(stream), new_stream, u->groups[j]);
}
}
return PA_HOOK_OK;
}
static pa_hook_result_t sink_input_put_cb(pa_core *core, pa_sink_input *i, struct userdata *u) {
pa_core_assert_ref(core);
pa_sink_input_assert_ref(i);
return process(u, PA_OBJECT(i), true, true);
}
static pa_hook_result_t sink_input_unlink_cb(pa_core *core, pa_sink_input *i, struct userdata *u) {
pa_sink_input_assert_ref(i);
return process(u, PA_OBJECT(i), false, false);
}
static pa_hook_result_t sink_input_move_start_cb(pa_core *core, pa_sink_input *i, struct userdata *u) {
pa_core_assert_ref(core);
pa_sink_input_assert_ref(i);
return process(u, PA_OBJECT(i), false, false);
}
static pa_hook_result_t sink_input_move_finish_cb(pa_core *core, pa_sink_input *i, struct userdata *u) {
pa_core_assert_ref(core);
pa_sink_input_assert_ref(i);
return process(u, PA_OBJECT(i), true, false);
}
static pa_hook_result_t sink_input_state_changed_cb(pa_core *core, pa_sink_input *i, struct userdata *u) {
pa_core_assert_ref(core);
pa_sink_input_assert_ref(i);
if (PA_SINK_INPUT_IS_LINKED(i->state) && get_trigger_role(u, PA_OBJECT(i), NULL))
return process(u, PA_OBJECT(i), true, false);
return PA_HOOK_OK;
}
static pa_hook_result_t sink_input_mute_changed_cb(pa_core *core, pa_sink_input *i, struct userdata *u) {
pa_core_assert_ref(core);
pa_sink_input_assert_ref(i);
if (PA_SINK_INPUT_IS_LINKED(i->state) && get_trigger_role(u, PA_OBJECT(i), NULL))
return process(u, PA_OBJECT(i), true, false);
return PA_HOOK_OK;
}
static pa_hook_result_t sink_input_proplist_changed_cb(pa_core *core, pa_sink_input *i, struct userdata *u) {
pa_core_assert_ref(core);
pa_sink_input_assert_ref(i);
if (PA_SINK_INPUT_IS_LINKED(i->state))
return process(u, PA_OBJECT(i), true, false);
return PA_HOOK_OK;
}
static pa_hook_result_t source_output_put_cb(pa_core *core, pa_source_output *o, struct userdata *u) {
pa_core_assert_ref(core);
pa_source_output_assert_ref(o);
return process(u, PA_OBJECT(o), true, true);
}
static pa_hook_result_t source_output_unlink_cb(pa_core *core, pa_source_output *o, struct userdata *u) {
pa_source_output_assert_ref(o);
return process(u, PA_OBJECT(o), false, false);
}
static pa_hook_result_t source_output_move_start_cb(pa_core *core, pa_source_output *o, struct userdata *u) {
pa_core_assert_ref(core);
pa_source_output_assert_ref(o);
return process(u, PA_OBJECT(o), false, false);
}
static pa_hook_result_t source_output_move_finish_cb(pa_core *core, pa_source_output *o, struct userdata *u) {
pa_core_assert_ref(core);
pa_source_output_assert_ref(o);
return process(u, PA_OBJECT(o), true, false);
}
static pa_hook_result_t source_output_state_changed_cb(pa_core *core, pa_source_output *o, struct userdata *u) {
pa_core_assert_ref(core);
pa_source_output_assert_ref(o);
if (PA_SOURCE_OUTPUT_IS_LINKED(o->state) && get_trigger_role(u, PA_OBJECT(o), NULL))
return process(u, PA_OBJECT(o), true, false);
return PA_HOOK_OK;
}
static pa_hook_result_t source_output_mute_changed_cb(pa_core *core, pa_source_output*o, struct userdata *u) {
pa_core_assert_ref(core);
pa_source_output_assert_ref(o);
if (PA_SOURCE_OUTPUT_IS_LINKED(o->state) && get_trigger_role(u, PA_OBJECT(o), NULL))
return process(u, PA_OBJECT(o), true, false);
return PA_HOOK_OK;
}
static pa_hook_result_t source_output_proplist_changed_cb(pa_core *core, pa_source_output *o, struct userdata *u) {
pa_core_assert_ref(core);
pa_source_output_assert_ref(o);
if (PA_SOURCE_OUTPUT_IS_LINKED(o->state))
return process(u, PA_OBJECT(o), true, false);
return PA_HOOK_OK;
}
int pa_stream_interaction_init(pa_module *m, const char* const v_modargs[]) {
pa_modargs *ma = NULL;
struct userdata *u;
const char *roles;
char *roles_in_group = NULL;
bool global = false;
bool source_trigger = false;
uint32_t i = 0;
uint32_t group_count_tr = 0;
uint32_t group_count_du = 0;
uint32_t group_count_vol = 0;
pa_assert(m);
if (!(ma = pa_modargs_new(m->argument, v_modargs))) {
pa_log("Failed to parse module arguments");
goto fail;
}
m->userdata = u = pa_xnew0(struct userdata, 1);
u->core = m->core;
u->duck = false;
if (pa_streq(m->name, "module-role-ducking"))
u->duck = true;
u->n_groups = 1;
roles = pa_modargs_get_value(ma, "trigger_roles", NULL);
if (roles) {
const char *split_state = NULL;
char *n = NULL;
while ((n = pa_split(roles, "/", &split_state))) {
group_count_tr++;
pa_xfree(n);
}
}
roles = pa_modargs_get_value(ma, u->duck ? "ducking_roles" : "cork_roles", NULL);
if (roles) {
const char *split_state = NULL;
char *n = NULL;
while ((n = pa_split(roles, "/", &split_state))) {
group_count_du++;
pa_xfree(n);
}
}
if (u->duck) {
const char *volumes;
volumes = pa_modargs_get_value(ma, "volume", NULL);
if (volumes) {
const char *split_state = NULL;
char *n = NULL;
while ((n = pa_split(volumes, "/", &split_state))) {
group_count_vol++;
pa_xfree(n);
}
}
if ((group_count_tr > 1 || group_count_du > 1 || group_count_vol > 1) &&
((group_count_tr != group_count_du) || (group_count_tr != group_count_vol))) {
pa_log("Invalid number of groups");
goto fail;
}
} else {
if ((group_count_tr > 1 || group_count_du > 1) && (group_count_tr != group_count_du)) {
pa_log("Invalid number of groups");
goto fail;
}
}
if (group_count_tr > 0)
u->n_groups = group_count_tr;
u->groups = pa_xnew0(struct group*, u->n_groups);
for (i = 0; i < u->n_groups; i++) {
u->groups[i] = pa_xnew0(struct group, 1);
u->groups[i]->trigger_roles = pa_idxset_new(NULL, NULL);
u->groups[i]->interaction_roles = pa_idxset_new(NULL, NULL);
u->groups[i]->interaction_state = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
if (u->duck)
u->groups[i]->name = pa_sprintf_malloc("ducking_group_%u", i);
}
roles = pa_modargs_get_value(ma, "trigger_roles", NULL);
if (roles) {
const char *group_split_state = NULL;
i = 0;
while ((roles_in_group = pa_split(roles, "/", &group_split_state))) {
if (roles_in_group[0] != '\0') {
const char *split_state = NULL;
char *n = NULL;
while ((n = pa_split(roles_in_group, ",", &split_state))) {
if (n[0] != '\0')
pa_idxset_put(u->groups[i]->trigger_roles, n, NULL);
else {
pa_log("empty trigger role");
pa_xfree(n);
goto fail;
}
}
i++;
} else {
pa_log("empty trigger roles");
goto fail;
}
pa_xfree(roles_in_group);
}
}
if (pa_idxset_isempty(u->groups[0]->trigger_roles)) {
pa_log_debug("Using role 'phone' as trigger role.");
pa_idxset_put(u->groups[0]->trigger_roles, pa_xstrdup("phone"), NULL);
}
roles = pa_modargs_get_value(ma, u->duck ? "ducking_roles" : "cork_roles", NULL);
if (roles) {
const char *group_split_state = NULL;
i = 0;
while ((roles_in_group = pa_split(roles, "/", &group_split_state))) {
if (roles_in_group[0] != '\0') {
const char *split_state = NULL;
char *n = NULL;
while ((n = pa_split(roles_in_group, ",", &split_state))) {
if (n[0] != '\0')
pa_idxset_put(u->groups[i]->interaction_roles, n, NULL);
else {
pa_log("empty ducking role");
pa_xfree(n);
goto fail;
}
}
i++;
} else {
pa_log("empty ducking roles");
goto fail;
}
pa_xfree(roles_in_group);
}
}
if (pa_idxset_isempty(u->groups[0]->interaction_roles)) {
pa_log_debug("Using roles 'music' and 'video' as %s roles.", u->duck ? "ducking" : "cork");
pa_idxset_put(u->groups[0]->interaction_roles, pa_xstrdup("music"), NULL);
pa_idxset_put(u->groups[0]->interaction_roles, pa_xstrdup("video"), NULL);
}
if (u->duck) {
const char *volumes;
u->groups[0]->volume = pa_sw_volume_from_dB(-20);
if ((volumes = pa_modargs_get_value(ma, "volume", NULL))) {
const char *group_split_state = NULL;
char *n = NULL;
i = 0;
while ((n = pa_split(volumes, "/", &group_split_state))) {
if (n[0] != '\0') {
if (pa_parse_volume(n, &(u->groups[i++]->volume)) < 0) {
pa_log("Failed to parse volume");
pa_xfree(n);
goto fail;
}
} else {
pa_log("empty volume");
pa_xfree(n);
goto fail;
}
pa_xfree(n);
}
}
}
if (pa_modargs_get_value_boolean(ma, "global", &global) < 0) {
pa_log("Invalid boolean parameter: global");
goto fail;
}
u->global = global;
if (pa_modargs_get_value_boolean(ma, "use_source_trigger", &source_trigger) < 0) {
pa_log("Invalid boolean parameter: use_source_trigger");
goto fail;
}
u->source_trigger = source_trigger;
u->sink_input_put_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_PUT], PA_HOOK_LATE, (pa_hook_cb_t) sink_input_put_cb, u);
u->sink_input_unlink_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_UNLINK], PA_HOOK_LATE, (pa_hook_cb_t) sink_input_unlink_cb, u);
u->sink_input_move_start_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_MOVE_START], PA_HOOK_LATE, (pa_hook_cb_t) sink_input_move_start_cb, u);
u->sink_input_move_finish_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_MOVE_FINISH], PA_HOOK_LATE, (pa_hook_cb_t) sink_input_move_finish_cb, u);
u->sink_input_state_changed_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_STATE_CHANGED], PA_HOOK_LATE, (pa_hook_cb_t) sink_input_state_changed_cb, u);
u->sink_input_mute_changed_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_MUTE_CHANGED], PA_HOOK_LATE, (pa_hook_cb_t) sink_input_mute_changed_cb, u);
u->sink_input_proplist_changed_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_PROPLIST_CHANGED], PA_HOOK_LATE, (pa_hook_cb_t) sink_input_proplist_changed_cb, u);
u->source_output_put_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_PUT], PA_HOOK_LATE, (pa_hook_cb_t) source_output_put_cb, u);
u->source_output_unlink_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_UNLINK], PA_HOOK_LATE, (pa_hook_cb_t) source_output_unlink_cb, u);
u->source_output_move_start_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_START], PA_HOOK_LATE, (pa_hook_cb_t) source_output_move_start_cb, u);
u->source_output_move_finish_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_FINISH], PA_HOOK_LATE, (pa_hook_cb_t) source_output_move_finish_cb, u);
u->source_output_state_changed_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_STATE_CHANGED], PA_HOOK_LATE, (pa_hook_cb_t) source_output_state_changed_cb, u);
u->source_output_mute_changed_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MUTE_CHANGED], PA_HOOK_LATE, (pa_hook_cb_t) source_output_mute_changed_cb, u);
u->source_output_proplist_changed_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_PROPLIST_CHANGED], PA_HOOK_LATE, (pa_hook_cb_t) source_output_proplist_changed_cb, u);
pa_modargs_free(ma);
return 0;
fail:
pa_stream_interaction_done(m);
if (ma)
pa_modargs_free(ma);
if (roles_in_group)
pa_xfree(roles_in_group);
return -1;
}
void pa_stream_interaction_done(pa_module *m) {
struct userdata* u;
pa_assert(m);
if (!(u = m->userdata))
return;
if (u->groups) {
uint32_t j;
for (j = 0; j < u->n_groups; j++) {
remove_interactions(u, u->groups[j]);
pa_idxset_free(u->groups[j]->trigger_roles, pa_xfree);
pa_idxset_free(u->groups[j]->interaction_roles, pa_xfree);
pa_hashmap_free(u->groups[j]->interaction_state);
if (u->duck)
pa_xfree(u->groups[j]->name);
pa_xfree(u->groups[j]);
}
pa_xfree(u->groups);
}
if (u->sink_input_put_slot)
pa_hook_slot_free(u->sink_input_put_slot);
if (u->sink_input_unlink_slot)
pa_hook_slot_free(u->sink_input_unlink_slot);
if (u->sink_input_move_start_slot)
pa_hook_slot_free(u->sink_input_move_start_slot);
if (u->sink_input_move_finish_slot)
pa_hook_slot_free(u->sink_input_move_finish_slot);
if (u->sink_input_state_changed_slot)
pa_hook_slot_free(u->sink_input_state_changed_slot);
if (u->sink_input_mute_changed_slot)
pa_hook_slot_free(u->sink_input_mute_changed_slot);
if (u->sink_input_proplist_changed_slot)
pa_hook_slot_free(u->sink_input_proplist_changed_slot);
if (u->source_output_put_slot)
pa_hook_slot_free(u->source_output_put_slot);
if (u->source_output_unlink_slot)
pa_hook_slot_free(u->source_output_unlink_slot);
if (u->source_output_move_start_slot)
pa_hook_slot_free(u->source_output_move_start_slot);
if (u->source_output_move_finish_slot)
pa_hook_slot_free(u->source_output_move_finish_slot);
if (u->source_output_state_changed_slot)
pa_hook_slot_free(u->source_output_state_changed_slot);
if (u->source_output_mute_changed_slot)
pa_hook_slot_free(u->source_output_mute_changed_slot);
if (u->source_output_proplist_changed_slot)
pa_hook_slot_free(u->source_output_proplist_changed_slot);
pa_xfree(u);
}
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