merge 'lennart' branch back into trunk.

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1971 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-10-28 19:13:50 +00:00
parent 6687dd0131
commit a67c21f093
294 changed files with 79057 additions and 11614 deletions

View file

@ -27,7 +27,6 @@
#endif
#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
#include <string.h>
@ -42,11 +41,9 @@
#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,
@ -58,274 +55,359 @@ pa_source* pa_source_new(
pa_source *s;
char st[256];
int r;
pa_channel_map tmap;
assert(core);
assert(name);
assert(spec);
pa_assert(core);
pa_assert(name);
pa_assert(spec);
CHECK_VALIDITY_RETURN_NULL(pa_sample_spec_valid(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("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);
pa_subscription_post(core, PA_SUBSCRIPTION_EVENT_SOURCE | PA_SUBSCRIPTION_EVENT_NEW, s->index);
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;
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);
pa_assert(s);
s->state = PA_SOURCE_DISCONNECTED;
pa_namereg_unregister(s->core, s->name);
/* See pa_sink_unlink() for a couple of comments how this function
* works. */
pa_hook_fire(&s->core->hook_source_disconnect, s);
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);
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;
s->get_volume = NULL;
s->set_volume = NULL;
s->set_mute = NULL;
s->get_mute = NULL;
s->set_state = NULL;
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE | PA_SUBSCRIPTION_EVENT_REMOVE, s->index);
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);
static void source_free(pa_object *o) {
pa_source_output *so;
pa_source *s = PA_SOURCE(o);
if (s->state != PA_SOURCE_DISCONNECTED)
pa_source_disconnect(s);
pa_assert(s);
pa_assert(pa_source_refcnt(s) == 0);
pa_log_info("freed %u \"%s\"", s->index, s->name);
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;
return source_set_state(s, pa_source_used_by(s) ? PA_SOURCE_RUNNING : PA_SOURCE_IDLE);
}
pa_source* pa_source_ref(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));
s->ref++;
return 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);
}
void pa_source_notify(pa_source*s) {
assert(s);
assert(s->ref >= 1);
void pa_source_ping(pa_source *s) {
pa_source_assert_ref(s);
pa_assert(PA_SOURCE_LINKED(s->state));
if (s->notify)
s->notify(s);
}
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);
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->sw_muted || !pa_cvolume_is_norm(&s->sw_volume)) {
if (s->thread_info.state != PA_SOURCE_RUNNING)
return;
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, 0);
if (s->sw_muted)
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_volume_memchunk(&vchunk, &s->sample_spec, &s->thread_info.soft_volume);
while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL)))
pa_source_output_push(o, &vchunk);
pa_memblock_unref(vchunk.memblock);
} else
pa_idxset_foreach(s->outputs, do_post, (void*) chunk);
} else {
pa_source_unref(s);
}
void pa_source_set_owner(pa_source *s, pa_module *m) {
assert(s);
assert(s->ref >= 1);
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;
if (!s->get_latency)
pa_source_assert_ref(s);
pa_assert(PA_SOURCE_LINKED(s->state));
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;
void pa_source_set_volume(pa_source *s, const pa_cvolume *volume) {
int changed;
assert(s);
assert(s->ref >= 1);
assert(volume);
pa_source_assert_ref(s);
pa_assert(PA_SOURCE_LINKED(s->state));
pa_assert(volume);
if (m == PA_MIXER_HARDWARE && s->set_hw_volume)
v = &s->hw_volume;
else
v = &s->sw_volume;
changed = !pa_cvolume_equal(volume, &s->volume);
s->volume = *volume;
if (pa_cvolume_equal(v, volume))
if (s->set_volume && s->set_volume(s) < 0)
s->set_volume = NULL;
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_cvolume old_volume;
pa_source_assert_ref(s);
pa_assert(PA_SOURCE_LINKED(s->state));
old_volume = s->volume;
if (s->get_volume && s->get_volume(s) < 0)
s->get_volume = NULL;
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_bool_t mute) {
int changed;
pa_source_assert_ref(s);
pa_assert(PA_SOURCE_LINKED(s->state));
changed = s->muted != mute;
s->muted = mute;
if (s->set_mute && s->set_mute(s) < 0)
s->set_mute = NULL;
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);
}
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 (!s->get_mute && s->refresh_muted)
pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_MUTE, &s->muted, 0, NULL);
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;
*v = *volume;
if (v == &s->hw_volume)
if (s->set_hw_volume(s) < 0)
s->sw_volume = *volume;
s->module = m;
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);
if (m == PA_MIXER_HARDWARE && s->set_hw_volume) {
if (s->get_hw_volume)
s->get_hw_volume(s);
return &s->hw_volume;
} else
return &s->sw_volume;
}
void pa_source_set_mute(pa_source *s, pa_mixer_t m, int mute) {
int *t;
assert(s);
assert(s->ref >= 1);
if (m == PA_MIXER_HARDWARE && s->set_hw_mute)
t = &s->hw_muted;
else
t = &s->sw_muted;
if (!!*t == !!mute)
return;
*t = !!mute;
if (t == &s->hw_muted)
if (s->set_hw_mute(s) < 0)
s->sw_muted = !!mute;
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);
if (m == PA_MIXER_HARDWARE && s->set_hw_mute) {
if (s->get_hw_mute)
s->get_hw_mute(s);
return s->hw_muted;
} else
return s->sw_muted;
}
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;
@ -336,12 +418,172 @@ void pa_source_set_description(pa_source *s, const char *description) {
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);
}