/***
This file is part of PulseAudio.
-
+
+ Copyright 2004-2006 Lennart Poettering
+ Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
+
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
#endif
#include <stdio.h>
-#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include "source.h"
-#define CHECK_VALIDITY_RETURN_NULL(condition) \
-do {\
-if (!(condition)) \
- return NULL; \
-} while (0)
+static PA_DEFINE_CHECK_TYPE(pa_source, pa_msgobject);
+
+static void source_free(pa_object *o);
pa_source* pa_source_new(
pa_core *core,
int fail,
const pa_sample_spec *spec,
const pa_channel_map *map) {
-
+
pa_source *s;
char st[256];
- int r;
pa_channel_map tmap;
-
- assert(core);
- assert(name);
- assert(spec);
- CHECK_VALIDITY_RETURN_NULL(pa_sample_spec_valid(spec));
+ pa_assert(core);
+ pa_assert(name);
+ pa_assert(spec);
+
+ pa_return_null_if_fail(pa_sample_spec_valid(spec));
if (!map)
map = pa_channel_map_init_auto(&tmap, spec->channels, PA_CHANNEL_MAP_DEFAULT);
- CHECK_VALIDITY_RETURN_NULL(map && pa_channel_map_valid(map));
- CHECK_VALIDITY_RETURN_NULL(map->channels == spec->channels);
- CHECK_VALIDITY_RETURN_NULL(!driver || pa_utf8_valid(driver));
- CHECK_VALIDITY_RETURN_NULL(pa_utf8_valid(name) && *name);
+ pa_return_null_if_fail(map && pa_channel_map_valid(map));
+ pa_return_null_if_fail(map->channels == spec->channels);
+ pa_return_null_if_fail(!driver || pa_utf8_valid(driver));
+ pa_return_null_if_fail(pa_utf8_valid(name) && *name);
- s = pa_xnew(pa_source, 1);
+ s = pa_msgobject_new(pa_source);
if (!(name = pa_namereg_register(core, name, PA_NAMEREG_SOURCE, s, fail))) {
pa_xfree(s);
return NULL;
}
- s->ref = 1;
+ s->parent.parent.free = source_free;
+ s->parent.process_msg = pa_source_process_msg;
+
s->core = core;
- s->state = PA_SOURCE_RUNNING;
+ s->state = PA_SOURCE_INIT;
+ s->flags = 0;
s->name = pa_xstrdup(name);
s->description = NULL;
s->driver = pa_xstrdup(driver);
- s->owner = NULL;
-
+ s->module = NULL;
+
s->sample_spec = *spec;
s->channel_map = *map;
s->outputs = pa_idxset_new(NULL, NULL);
+ s->n_corked = 0;
s->monitor_of = NULL;
- pa_cvolume_reset(&s->sw_volume, spec->channels);
- pa_cvolume_reset(&s->hw_volume, spec->channels);
- s->sw_muted = 0;
- s->hw_muted = 0;
-
- s->is_hardware = 0;
+ pa_cvolume_reset(&s->volume, spec->channels);
+ s->muted = FALSE;
+ s->refresh_volume = s->refresh_muted = FALSE;
s->get_latency = NULL;
- s->notify = NULL;
- s->set_hw_volume = NULL;
- s->get_hw_volume = NULL;
- s->set_hw_mute = NULL;
- s->get_hw_mute = NULL;
+ s->set_volume = NULL;
+ s->get_volume = NULL;
+ s->set_mute = NULL;
+ s->get_mute = NULL;
+ s->set_state = NULL;
s->userdata = NULL;
- r = pa_idxset_put(core->sources, s, &s->index);
- assert(s->index != PA_IDXSET_INVALID && r >= 0);
+ s->asyncmsgq = NULL;
+ s->rtpoll = NULL;
+
+ pa_assert_se(pa_idxset_put(core->sources, s, &s->index) >= 0);
pa_sample_spec_snprint(st, sizeof(st), spec);
- pa_log_info(__FILE__": created %u \"%s\" with sample spec \"%s\"", s->index, s->name, st);
+ pa_log_info("Created source %u \"%s\" with sample spec \"%s\"", s->index, s->name, st);
+
+ s->thread_info.outputs = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
+ s->thread_info.soft_volume = s->volume;
+ s->thread_info.soft_muted = s->muted;
+ s->thread_info.state = s->state;
- pa_subscription_post(core, PA_SUBSCRIPTION_EVENT_SOURCE | PA_SUBSCRIPTION_EVENT_NEW, s->index);
-
return s;
}
-void pa_source_disconnect(pa_source *s) {
+static int source_set_state(pa_source *s, pa_source_state_t state) {
+ int ret;
+
+ pa_assert(s);
+
+ if (s->state == state)
+ return 0;
+
+ if ((s->state == PA_SOURCE_SUSPENDED && PA_SOURCE_OPENED(state)) ||
+ (PA_SOURCE_OPENED(s->state) && state == PA_SOURCE_SUSPENDED)) {
+ pa_source_output *o;
+ uint32_t idx;
+
+ /* We're suspending or resuming, tell everyone about it */
+
+ for (o = PA_SOURCE_OUTPUT(pa_idxset_first(s->outputs, &idx)); o; o = PA_SOURCE_OUTPUT(pa_idxset_next(s->outputs, &idx)))
+ if (o->suspend)
+ o->suspend(o, state == PA_SINK_SUSPENDED);
+ }
+
+ if (s->set_state)
+ if ((ret = s->set_state(s, state)) < 0)
+ return -1;
+
+ if (pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL) < 0)
+ return -1;
+
+ s->state = state;
+
+ if (state != PA_SOURCE_UNLINKED) /* if we enter UNLINKED state pa_source_unlink() will fire the apropriate events */
+ pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_STATE_CHANGED], s);
+ return 0;
+}
+
+void pa_source_put(pa_source *s) {
+ pa_source_assert_ref(s);
+
+ pa_assert(s->state == PA_SINK_INIT);
+ pa_assert(s->rtpoll);
+ pa_assert(s->asyncmsgq);
+
+ pa_assert_se(source_set_state(s, PA_SOURCE_IDLE) == 0);
+
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE | PA_SUBSCRIPTION_EVENT_NEW, s->index);
+ pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_NEW_POST], s);
+}
+
+void pa_source_unlink(pa_source *s) {
+ pa_bool_t linked;
pa_source_output *o, *j = NULL;
-
- assert(s);
- assert(s->state == PA_SOURCE_RUNNING);
- s->state = PA_SOURCE_DISCONNECTED;
- pa_namereg_unregister(s->core, s->name);
+ pa_assert(s);
+
+ /* See pa_sink_unlink() for a couple of comments how this function
+ * works. */
+
+ linked = PA_SOURCE_LINKED(s->state);
+
+ if (linked)
+ pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_UNLINK], s);
+
+ if (s->state != PA_SOURCE_UNLINKED)
+ pa_namereg_unregister(s->core, s->name);
+ pa_idxset_remove_by_data(s->core->sources, s, NULL);
- pa_hook_fire(&s->core->hook_source_disconnect, s);
-
while ((o = pa_idxset_first(s->outputs, NULL))) {
- assert(o != j);
+ pa_assert(o != j);
pa_source_output_kill(o);
j = o;
}
- pa_idxset_remove_by_data(s->core->sources, s, NULL);
+ if (linked)
+ source_set_state(s, PA_SOURCE_UNLINKED);
+ else
+ s->state = PA_SOURCE_UNLINKED;
s->get_latency = NULL;
- s->notify = NULL;
- s->get_hw_volume = NULL;
- s->set_hw_volume = NULL;
- s->set_hw_mute = NULL;
- s->get_hw_mute = NULL;
-
- pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE | PA_SUBSCRIPTION_EVENT_REMOVE, s->index);
+ s->get_volume = NULL;
+ s->set_volume = NULL;
+ s->set_mute = NULL;
+ s->get_mute = NULL;
+ s->set_state = NULL;
+
+ if (linked) {
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE | PA_SUBSCRIPTION_EVENT_REMOVE, s->index);
+ pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_UNLINK_POST], s);
+ }
}
-static void source_free(pa_source *s) {
- assert(s);
- assert(!s->ref);
-
- if (s->state != PA_SOURCE_DISCONNECTED)
- pa_source_disconnect(s);
-
- pa_log_info(__FILE__": freed %u \"%s\"", s->index, s->name);
+static void source_free(pa_object *o) {
+ pa_source_output *so;
+ pa_source *s = PA_SOURCE(o);
+
+ pa_assert(s);
+ pa_assert(pa_source_refcnt(s) == 0);
+
+ if (PA_SOURCE_LINKED(s->state))
+ pa_source_unlink(s);
+
+ pa_log_info("Freeing source %u \"%s\"", s->index, s->name);
pa_idxset_free(s->outputs, NULL, NULL);
+ while ((so = pa_hashmap_steal_first(s->thread_info.outputs)))
+ pa_source_output_unref(so);
+
+ pa_hashmap_free(s->thread_info.outputs, NULL, NULL);
+
pa_xfree(s->name);
pa_xfree(s->description);
pa_xfree(s->driver);
pa_xfree(s);
}
-void pa_source_unref(pa_source *s) {
- assert(s);
- assert(s->ref >= 1);
+int pa_source_update_status(pa_source*s) {
+ pa_source_assert_ref(s);
+ pa_assert(PA_SOURCE_LINKED(s->state));
- if (!(--s->ref))
- source_free(s);
-}
+ if (s->state == PA_SOURCE_SUSPENDED)
+ return 0;
-pa_source* pa_source_ref(pa_source *s) {
- assert(s);
- assert(s->ref >= 1);
-
- s->ref++;
- return s;
+ return source_set_state(s, pa_source_used_by(s) ? PA_SOURCE_RUNNING : PA_SOURCE_IDLE);
}
-void pa_source_notify(pa_source*s) {
- assert(s);
- assert(s->ref >= 1);
+int pa_source_suspend(pa_source *s, pa_bool_t suspend) {
+ pa_source_assert_ref(s);
+ pa_assert(PA_SOURCE_LINKED(s->state));
- if (s->notify)
- s->notify(s);
+ if (suspend)
+ return source_set_state(s, PA_SOURCE_SUSPENDED);
+ else
+ return source_set_state(s, pa_source_used_by(s) ? PA_SOURCE_RUNNING : PA_SOURCE_IDLE);
}
-static int do_post(void *p, PA_GCC_UNUSED uint32_t idx, PA_GCC_UNUSED int *del, void*userdata) {
- pa_source_output *o = p;
- const pa_memchunk *chunk = userdata;
-
- assert(o);
- assert(chunk);
+void pa_source_ping(pa_source *s) {
+ pa_source_assert_ref(s);
+ pa_assert(PA_SOURCE_LINKED(s->state));
- pa_source_output_push(o, chunk);
- return 0;
+ pa_asyncmsgq_post(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_PING, NULL, 0, NULL, NULL);
}
void pa_source_post(pa_source*s, const pa_memchunk *chunk) {
- assert(s);
- assert(s->ref >= 1);
- assert(chunk);
+ pa_source_output *o;
+ void *state = NULL;
- pa_source_ref(s);
+ pa_source_assert_ref(s);
+ pa_assert(PA_SOURCE_OPENED(s->thread_info.state));
+ pa_assert(chunk);
+
+ if (s->thread_info.state != PA_SOURCE_RUNNING)
+ return;
- if (s->sw_muted || !pa_cvolume_is_norm(&s->sw_volume)) {
+ if (s->thread_info.soft_muted || !pa_cvolume_is_norm(&s->thread_info.soft_volume)) {
pa_memchunk vchunk = *chunk;
-
+
pa_memblock_ref(vchunk.memblock);
- pa_memchunk_make_writable(&vchunk, s->core->memblock_stat, 0);
- if (s->sw_muted)
+ pa_memchunk_make_writable(&vchunk, 0);
+
+ if (s->thread_info.soft_muted || pa_cvolume_is_muted(&s->thread_info.soft_volume))
pa_silence_memchunk(&vchunk, &s->sample_spec);
else
- pa_volume_memchunk(&vchunk, &s->sample_spec, &s->sw_volume);
- pa_idxset_foreach(s->outputs, do_post, &vchunk);
- pa_memblock_unref(vchunk.memblock);
- } else
- pa_idxset_foreach(s->outputs, do_post, (void*) chunk);
+ pa_volume_memchunk(&vchunk, &s->sample_spec, &s->thread_info.soft_volume);
- pa_source_unref(s);
-}
+ while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL)))
+ pa_source_output_push(o, &vchunk);
-void pa_source_set_owner(pa_source *s, pa_module *m) {
- assert(s);
- assert(s->ref >= 1);
+ pa_memblock_unref(vchunk.memblock);
+ } else {
- if (m == s->owner)
- return;
-
- s->owner = m;
- pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL)))
+ pa_source_output_push(o, chunk);
+ }
}
pa_usec_t pa_source_get_latency(pa_source *s) {
- assert(s);
- assert(s->ref >= 1);
+ pa_usec_t usec;
+
+ pa_source_assert_ref(s);
+ pa_assert(PA_SOURCE_LINKED(s->state));
- if (!s->get_latency)
+ if (!PA_SOURCE_OPENED(s->state))
return 0;
- return s->get_latency(s);
+ if (s->get_latency)
+ return s->get_latency(s);
+
+ if (pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_LATENCY, &usec, 0, NULL) < 0)
+ return 0;
+
+ return usec;
}
-void pa_source_set_volume(pa_source *s, pa_mixer_t m, const pa_cvolume *volume) {
- pa_cvolume *v;
-
- assert(s);
- assert(s->ref >= 1);
- assert(volume);
+void pa_source_set_volume(pa_source *s, const pa_cvolume *volume) {
+ int changed;
- if (m == PA_MIXER_HARDWARE && s->set_hw_volume)
- v = &s->hw_volume;
- else
- v = &s->sw_volume;
+ pa_source_assert_ref(s);
+ pa_assert(PA_SOURCE_LINKED(s->state));
+ pa_assert(volume);
- if (pa_cvolume_equal(v, volume))
- return;
-
- *v = *volume;
+ changed = !pa_cvolume_equal(volume, &s->volume);
+ s->volume = *volume;
- if (v == &s->hw_volume)
- if (s->set_hw_volume(s) < 0)
- s->sw_volume = *volume;
+ if (s->set_volume && s->set_volume(s) < 0)
+ s->set_volume = NULL;
- pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ if (!s->set_volume)
+ pa_asyncmsgq_post(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_VOLUME, pa_xnewdup(struct pa_cvolume, volume, 1), 0, NULL, pa_xfree);
+
+ if (changed)
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
-const pa_cvolume *pa_source_get_volume(pa_source *s, pa_mixer_t m) {
- assert(s);
- assert(s->ref >= 1);
+const pa_cvolume *pa_source_get_volume(pa_source *s) {
+ pa_cvolume old_volume;
+
+ pa_source_assert_ref(s);
+ pa_assert(PA_SOURCE_LINKED(s->state));
+
+ old_volume = s->volume;
- if (m == PA_MIXER_HARDWARE && s->set_hw_volume) {
+ if (s->get_volume && s->get_volume(s) < 0)
+ s->get_volume = NULL;
- if (s->get_hw_volume)
- s->get_hw_volume(s);
-
- return &s->hw_volume;
- } else
- return &s->sw_volume;
+ if (!s->get_volume && s->refresh_volume)
+ pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_VOLUME, &s->volume, 0, NULL);
+
+ if (!pa_cvolume_equal(&old_volume, &s->volume))
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+
+ return &s->volume;
}
-void pa_source_set_mute(pa_source *s, pa_mixer_t m, int mute) {
- int *t;
-
- assert(s);
- assert(s->ref >= 1);
+void pa_source_set_mute(pa_source *s, pa_bool_t mute) {
+ int changed;
- if (m == PA_MIXER_HARDWARE && s->set_hw_mute)
- t = &s->hw_muted;
- else
- t = &s->sw_muted;
+ pa_source_assert_ref(s);
+ pa_assert(PA_SOURCE_LINKED(s->state));
- if (!!*t == !!mute)
- return;
-
- *t = !!mute;
+ changed = s->muted != mute;
+ s->muted = mute;
- if (t == &s->hw_muted)
- if (s->set_hw_mute(s) < 0)
- s->sw_muted = !!mute;
+ if (s->set_mute && s->set_mute(s) < 0)
+ s->set_mute = NULL;
- pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ if (!s->set_mute)
+ pa_asyncmsgq_post(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_MUTE, PA_UINT_TO_PTR(mute), 0, NULL, NULL);
+
+ if (changed)
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
-int pa_source_get_mute(pa_source *s, pa_mixer_t m) {
- assert(s);
- assert(s->ref >= 1);
+pa_bool_t pa_source_get_mute(pa_source *s) {
+ pa_bool_t old_muted;
+
+ pa_source_assert_ref(s);
+ pa_assert(PA_SOURCE_LINKED(s->state));
+
+ old_muted = s->muted;
+
+ if (s->get_mute && s->get_mute(s) < 0)
+ s->get_mute = NULL;
- if (m == PA_MIXER_HARDWARE && s->set_hw_mute) {
+ if (!s->get_mute && s->refresh_muted)
+ pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_MUTE, &s->muted, 0, NULL);
- if (s->get_hw_mute)
- s->get_hw_mute(s);
-
- return s->hw_muted;
- } else
- return s->sw_muted;
+ if (old_muted != s->muted)
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+
+ return s->muted;
+}
+
+void pa_source_set_module(pa_source *s, pa_module *m) {
+ pa_source_assert_ref(s);
+
+ if (m == s->module)
+ return;
+
+ s->module = m;
+
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
void pa_source_set_description(pa_source *s, const char *description) {
- assert(s);
- assert(s->ref >= 1);
+ pa_source_assert_ref(s);
if (!description && !s->description)
return;
if (description && s->description && !strcmp(description, s->description))
return;
-
+
pa_xfree(s->description);
s->description = pa_xstrdup(description);
- pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ if (PA_SOURCE_LINKED(s->state)) {
+ pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_DESCRIPTION_CHANGED], s);
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ }
}
-unsigned pa_source_used_by(pa_source *s) {
- assert(s);
- assert(s->ref >= 1);
+void pa_source_set_asyncmsgq(pa_source *s, pa_asyncmsgq *q) {
+ pa_source_assert_ref(s);
+ pa_assert(q);
+
+ s->asyncmsgq = q;
+}
+
+void pa_source_set_rtpoll(pa_source *s, pa_rtpoll *p) {
+ pa_source_assert_ref(s);
+ pa_assert(p);
+
+ s->rtpoll = p;
+}
+
+unsigned pa_source_linked_by(pa_source *s) {
+ pa_source_assert_ref(s);
+ pa_assert(PA_SOURCE_LINKED(s->state));
return pa_idxset_size(s->outputs);
}
+
+unsigned pa_source_used_by(pa_source *s) {
+ unsigned ret;
+
+ pa_source_assert_ref(s);
+ pa_assert(PA_SOURCE_LINKED(s->state));
+
+ ret = pa_idxset_size(s->outputs);
+ pa_assert(ret >= s->n_corked);
+
+ return ret - s->n_corked;
+}
+
+int pa_source_process_msg(pa_msgobject *object, int code, void *userdata, int64_t offset, pa_memchunk *chunk) {
+ pa_source *s = PA_SOURCE(object);
+ pa_source_assert_ref(s);
+ pa_assert(s->thread_info.state != PA_SOURCE_UNLINKED);
+
+ switch ((pa_source_message_t) code) {
+ case PA_SOURCE_MESSAGE_ADD_OUTPUT: {
+ pa_source_output *o = PA_SOURCE_OUTPUT(userdata);
+ pa_hashmap_put(s->thread_info.outputs, PA_UINT32_TO_PTR(o->index), pa_source_output_ref(o));
+
+ pa_assert(!o->thread_info.attached);
+ o->thread_info.attached = TRUE;
+
+ if (o->attach)
+ o->attach(o);
+
+ return 0;
+ }
+
+ case PA_SOURCE_MESSAGE_REMOVE_OUTPUT: {
+ pa_source_output *o = PA_SOURCE_OUTPUT(userdata);
+
+ if (o->detach)
+ o->detach(o);
+
+ pa_assert(o->thread_info.attached);
+ o->thread_info.attached = FALSE;
+
+ if (pa_hashmap_remove(s->thread_info.outputs, PA_UINT32_TO_PTR(o->index)))
+ pa_source_output_unref(o);
+
+ return 0;
+ }
+
+ case PA_SOURCE_MESSAGE_SET_VOLUME:
+ s->thread_info.soft_volume = *((pa_cvolume*) userdata);
+ return 0;
+
+ case PA_SOURCE_MESSAGE_SET_MUTE:
+ s->thread_info.soft_muted = PA_PTR_TO_UINT(userdata);
+ return 0;
+
+ case PA_SOURCE_MESSAGE_GET_VOLUME:
+ *((pa_cvolume*) userdata) = s->thread_info.soft_volume;
+ return 0;
+
+ case PA_SOURCE_MESSAGE_GET_MUTE:
+ *((pa_bool_t*) userdata) = s->thread_info.soft_muted;
+ return 0;
+
+ case PA_SOURCE_MESSAGE_PING:
+ return 0;
+
+ case PA_SOURCE_MESSAGE_SET_STATE:
+ s->thread_info.state = PA_PTR_TO_UINT(userdata);
+ return 0;
+
+ case PA_SOURCE_MESSAGE_DETACH:
+
+ /* We're detaching all our output streams so that the
+ * asyncmsgq and rtpoll fields can be changed without
+ * problems */
+ pa_source_detach_within_thread(s);
+ break;
+
+ case PA_SOURCE_MESSAGE_ATTACH:
+
+ /* Reattach all streams */
+ pa_source_attach_within_thread(s);
+ break;
+
+ case PA_SOURCE_MESSAGE_GET_LATENCY:
+ case PA_SOURCE_MESSAGE_MAX:
+ ;
+ }
+
+ return -1;
+}
+
+int pa_source_suspend_all(pa_core *c, pa_bool_t suspend) {
+ uint32_t idx;
+ pa_source *source;
+ int ret = 0;
+
+ pa_core_assert_ref(c);
+
+ for (source = PA_SOURCE(pa_idxset_first(c->sources, &idx)); source; source = PA_SOURCE(pa_idxset_next(c->sources, &idx)))
+ ret -= pa_source_suspend(source, suspend) < 0;
+
+ return ret;
+}
+
+void pa_source_detach(pa_source *s) {
+ pa_source_assert_ref(s);
+ pa_assert(PA_SOURCE_LINKED(s->state));
+
+ pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_DETACH, NULL, 0, NULL);
+}
+
+void pa_source_attach(pa_source *s) {
+ pa_source_assert_ref(s);
+ pa_assert(PA_SOURCE_LINKED(s->state));
+
+ pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_ATTACH, NULL, 0, NULL);
+}
+
+void pa_source_detach_within_thread(pa_source *s) {
+ pa_source_output *o;
+ void *state = NULL;
+
+ pa_source_assert_ref(s);
+ pa_assert(PA_SOURCE_LINKED(s->thread_info.state));
+
+ while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL)))
+ if (o->detach)
+ o->detach(o);
+}
+
+void pa_source_attach_within_thread(pa_source *s) {
+ pa_source_output *o;
+ void *state = NULL;
+
+ pa_source_assert_ref(s);
+ pa_assert(PA_SOURCE_LINKED(s->thread_info.state));
+
+ while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL)))
+ if (o->attach)
+ o->attach(o);
+
+}