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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, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#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 "module-cork-music-on-phone-symdef.h"
PA_MODULE_AUTHOR("Lennart Poettering");
PA_MODULE_DESCRIPTION("Mute or cork music while a phone stream exists");
PA_MODULE_VERSION(PACKAGE_VERSION);
PA_MODULE_LOAD_ONCE(TRUE);
static const char* const valid_modargs[] = {
NULL
};
struct userdata {
pa_core *core;
pa_hashmap *cork_state;
pa_hook_slot
*sink_input_put_slot,
*sink_input_unlink_slot,
*sink_input_move_start_slot,
*sink_input_move_finish_slot;
};
static pa_bool_t shall_cork(pa_sink *s, pa_sink_input *ignore) {
pa_sink_input *j;
uint32_t idx;
pa_sink_assert_ref(s);
for (j = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); j; j = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx))) {
const char *role;
if (j == ignore)
continue;
if (!(role = pa_proplist_gets(j->proplist, PA_PROP_MEDIA_ROLE)))
continue;
if (pa_streq(role, "phone"))
return TRUE;
}
return FALSE;
}
static void apply_cork(struct userdata *u, pa_sink *s, pa_sink_input *ignore, pa_bool_t cork) {
pa_sink_input *j;
uint32_t idx;
pa_assert(u);
pa_sink_assert_ref(s);
for (j = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); j; j = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx))) {
pa_bool_t corked;
const char *role;
if (j == ignore)
continue;
if (!(role = pa_proplist_gets(j->proplist, PA_PROP_MEDIA_ROLE)))
continue;
if (!pa_streq(role, "video") &&
!pa_streq(role, "music"))
continue;
corked = !!pa_hashmap_get(u->cork_state, j);
if (cork && !corked) {
pa_hashmap_put(u->cork_state, j, PA_INT_TO_PTR(1));
pa_sink_input_set_mute(j, TRUE, FALSE);
pa_sink_input_send_event(j, PA_STREAM_EVENT_REQUEST_CORK, NULL);
} else if (!cork) {
pa_hashmap_remove(u->cork_state, j);
if (corked) {
pa_sink_input_set_mute(j, FALSE, FALSE);
pa_sink_input_send_event(j, PA_STREAM_EVENT_REQUEST_UNCORK, NULL);
}
}
}
}
static pa_hook_result_t process(struct userdata *u, pa_sink_input *i, pa_bool_t create) {
pa_bool_t cork = FALSE;
const char *role;
pa_assert(u);
pa_sink_input_assert_ref(i);
if (!create)
pa_hashmap_remove(u->cork_state, i);
if (!(role = pa_proplist_gets(i->proplist, PA_PROP_MEDIA_ROLE)))
return PA_HOOK_OK;
if (!pa_streq(role, "phone") &&
!pa_streq(role, "music") &&
!pa_streq(role, "video"))
return PA_HOOK_OK;
cork = shall_cork(i->sink, create ? NULL : i);
apply_cork(u, i->sink, create ? NULL : i, cork);
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, i, TRUE);
}
static pa_hook_result_t sink_input_unlink_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, i, 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, i, 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, i, TRUE);
}
int pa__init(pa_module *m) {
pa_modargs *ma = NULL;
struct userdata *u;
pa_assert(m);
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
pa_log("Failed to parse module arguments");
goto fail;
}
m->userdata = u = pa_xnew(struct userdata, 1);
u->core = m->core;
u->cork_state = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
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);
pa_modargs_free(ma);
return 0;
fail:
pa__done(m);
if (ma)
pa_modargs_free(ma);
return -1;
}
void pa__done(pa_module *m) {
struct userdata* u;
pa_assert(m);
if (!(u = m->userdata))
return;
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->cork_state)
pa_hashmap_free(u->cork_state, NULL, NULL);
pa_xfree(u);
}
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