summaryrefslogtreecommitdiffstats
path: root/src/modules
diff options
context:
space:
mode:
authorLennart Poettering <lennart@poettering.net>2009-02-12 03:19:40 +0100
committerLennart Poettering <lennart@poettering.net>2009-02-12 03:19:40 +0100
commita729786637ddcccf41591c74eca357a8e8a63f2c (patch)
tree4114ea5052fa9da4f6b83e5cf48571668fb9404a /src/modules
parent823431e44732a0824658c82de29aaa92f8f39f79 (diff)
implement a module that corks music/video streams automatically when a phone call is active
Diffstat (limited to 'src/modules')
-rw-r--r--src/modules/module-cork-music-on-phone.c224
1 files changed, 224 insertions, 0 deletions
diff --git a/src/modules/module-cork-music-on-phone.c b/src/modules/module-cork-music-on-phone.c
new file mode 100644
index 00000000..fb90cf34
--- /dev/null
+++ b/src/modules/module-cork-music-on-phone.c
@@ -0,0 +1,224 @@
+/***
+ 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 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);
+
+}