-/* $Id$ */
-
/***
This file is part of PulseAudio.
#include <pulse/utf8.h>
#include <pulse/xmalloc.h>
#include <pulse/timeval.h>
+#include <pulse/util.h>
#include <pulsecore/source-output.h>
#include <pulsecore/namereg.h>
pa_proplist_free(data->proplist);
}
+/* Called from main context */
static void reset_callbacks(pa_source *s) {
pa_assert(s);
s->update_requested_latency = NULL;
}
+/* Called from main context */
pa_source* pa_source_new(
pa_core *core,
pa_source_new_data *data,
char st[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX];
pa_assert(core);
+ pa_assert(data);
+ pa_assert(data->name);
s = pa_msgobject_new(pa_source);
return NULL;
}
+ pa_source_new_data_set_name(data, name);
+
if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_NEW], data) < 0) {
pa_xfree(s);
pa_namereg_unregister(core, name);
if (!data->muted_is_set)
data->muted = FALSE;
+ if (data->card)
+ pa_proplist_update(data->proplist, PA_UPDATE_MERGE, data->card->proplist);
+
if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_FIXATE], data) < 0) {
pa_xfree(s);
pa_namereg_unregister(core, name);
s->flags = flags;
s->name = pa_xstrdup(name);
s->proplist = pa_proplist_copy(data->proplist);
- s->driver = pa_xstrdup(data->driver);
+ s->driver = pa_xstrdup(pa_path_get_filename(data->driver));
s->module = data->module;
+ s->card = data->card;
s->sample_spec = data->sample_spec;
s->channel_map = data->channel_map;
s->n_corked = 0;
s->monitor_of = NULL;
- s->volume = data->volume;
+ s->virtual_volume = data->volume;
+ pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
+ s->base_volume = PA_VOLUME_NORM;
+ s->n_volume_steps = PA_VOLUME_NORM+1;
s->muted = data->muted;
s->refresh_volume = s->refresh_muted = FALSE;
&s->sample_spec,
0);
- s->min_latency = DEFAULT_MIN_LATENCY;
- s->max_latency = s->min_latency;
-
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_volume = s->soft_volume;
s->thread_info.soft_muted = s->muted;
s->thread_info.state = s->state;
s->thread_info.max_rewind = 0;
s->thread_info.requested_latency_valid = FALSE;
s->thread_info.requested_latency = 0;
+ s->thread_info.min_latency = DEFAULT_MIN_LATENCY;
+ s->thread_info.max_latency = 0;
pa_assert_se(pa_idxset_put(core->sources, s, &s->index) >= 0);
+ if (s->card)
+ pa_assert_se(pa_idxset_put(s->card->sources, s, NULL) >= 0);
+
pa_log_info("Created source %u \"%s\" with sample spec %s and channel map %s",
s->index,
s->name,
return s;
}
+/* Called from main context */
static int source_set_state(pa_source *s, pa_source_state_t state) {
int ret;
pa_bool_t suspend_change;
+ pa_source_state_t original_state;
pa_assert(s);
if (s->state == state)
return 0;
+ original_state = s->state;
+
suspend_change =
- (s->state == PA_SOURCE_SUSPENDED && PA_SOURCE_IS_OPENED(state)) ||
- (PA_SOURCE_IS_OPENED(s->state) && state == PA_SOURCE_SUSPENDED);
+ (original_state == PA_SOURCE_SUSPENDED && PA_SOURCE_IS_OPENED(state)) ||
+ (PA_SOURCE_IS_OPENED(original_state) && state == PA_SOURCE_SUSPENDED);
if (s->set_state)
if ((ret = s->set_state(s, state)) < 0)
- return -1;
+ return ret;
if (s->asyncmsgq)
- if (pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL) < 0)
- return -1;
+ if ((ret = pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL)) < 0) {
+
+ if (s->set_state)
+ s->set_state(s, original_state);
+
+ return ret;
+ }
s->state = state;
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);
+ o->suspend(o, state == PA_SOURCE_SUSPENDED);
}
if (state != PA_SOURCE_UNLINKED) /* if we enter UNLINKED state pa_source_unlink() will fire the apropriate events */
return 0;
}
+/* Called from main context */
void pa_source_put(pa_source *s) {
pa_source_assert_ref(s);
- pa_assert(s->state == PA_SINK_INIT);
+ pa_assert(s->state == PA_SOURCE_INIT);
+
+ /* The following fields must be initialized properly when calling _put() */
pa_assert(s->asyncmsgq);
pa_assert(s->rtpoll);
+ pa_assert(!s->thread_info.min_latency || !s->thread_info.max_latency ||
+ s->thread_info.min_latency <= s->thread_info.max_latency);
- pa_assert(!s->min_latency || !s->max_latency || s->min_latency <= s->max_latency);
-
- if (!(s->flags & PA_SOURCE_HW_VOLUME_CTRL))
+ if (!(s->flags & PA_SOURCE_HW_VOLUME_CTRL)) {
s->flags |= PA_SOURCE_DECIBEL_VOLUME;
+ s->thread_info.soft_volume = s->soft_volume;
+ s->thread_info.soft_muted = s->muted;
+ }
+
+ if (s->flags & PA_SOURCE_DECIBEL_VOLUME)
+ s->n_volume_steps = PA_VOLUME_NORM+1;
+
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_PUT], s);
}
+/* Called from main context */
void pa_source_unlink(pa_source *s) {
pa_bool_t linked;
pa_source_output *o, *j = NULL;
pa_namereg_unregister(s->core, s->name);
pa_idxset_remove_by_data(s->core->sources, s, NULL);
+ if (s->card)
+ pa_idxset_remove_by_data(s->card->sources, s, NULL);
+
while ((o = pa_idxset_first(s->outputs, NULL))) {
pa_assert(o != j);
pa_source_output_kill(o);
}
}
+/* Called from main context */
static void source_free(pa_object *o) {
pa_source_output *so;
pa_source *s = PA_SOURCE(o);
pa_xfree(s);
}
+/* Called from main context */
void pa_source_set_asyncmsgq(pa_source *s, pa_asyncmsgq *q) {
pa_source_assert_ref(s);
s->asyncmsgq = q;
}
+/* Called from main context */
void pa_source_set_rtpoll(pa_source *s, pa_rtpoll *p) {
pa_source_assert_ref(s);
s->rtpoll = p;
}
+/* Called from main context */
int pa_source_update_status(pa_source*s) {
pa_source_assert_ref(s);
pa_assert(PA_SOURCE_IS_LINKED(s->state));
return source_set_state(s, pa_source_used_by(s) ? PA_SOURCE_RUNNING : PA_SOURCE_IDLE);
}
+/* Called from main context */
int pa_source_suspend(pa_source *s, pa_bool_t suspend) {
pa_source_assert_ref(s);
pa_assert(PA_SOURCE_IS_LINKED(s->state));
return source_set_state(s, pa_source_used_by(s) ? PA_SOURCE_RUNNING : PA_SOURCE_IDLE);
}
+/* Called from main context */
+pa_queue *pa_source_move_all_start(pa_source *s) {
+ pa_queue *q;
+ pa_source_output *o, *n;
+ uint32_t idx;
+
+ pa_source_assert_ref(s);
+ pa_assert(PA_SOURCE_IS_LINKED(s->state));
+
+ q = pa_queue_new();
+
+ for (o = PA_SOURCE_OUTPUT(pa_idxset_first(s->outputs, &idx)); o; o = n) {
+ n = PA_SOURCE_OUTPUT(pa_idxset_next(s->outputs, &idx));
+
+ if (pa_source_output_start_move(o) >= 0)
+ pa_queue_push(q, pa_source_output_ref(o));
+ }
+
+ return q;
+}
+
+/* Called from main context */
+void pa_source_move_all_finish(pa_source *s, pa_queue *q) {
+ pa_source_output *o;
+
+ pa_source_assert_ref(s);
+ pa_assert(PA_SOURCE_IS_LINKED(s->state));
+ pa_assert(q);
+
+ while ((o = PA_SOURCE_OUTPUT(pa_queue_pop(q)))) {
+ if (pa_source_output_finish_move(o, s) < 0)
+ pa_source_output_unlink(o);
+
+ pa_source_output_unref(o);
+ }
+
+ pa_queue_free(q, NULL, NULL);
+}
+
+/* Called from main context */
+void pa_source_move_all_fail(pa_queue *q) {
+ pa_source_output *o;
+ pa_assert(q);
+
+ while ((o = PA_SOURCE_OUTPUT(pa_queue_pop(q)))) {
+ pa_source_output_unlink(o);
+ pa_source_output_unref(o);
+ }
+
+ pa_queue_free(q, NULL, NULL);
+}
+
+/* Called from IO thread context */
void pa_source_process_rewind(pa_source *s, size_t nbytes) {
pa_source_output *o;
void *state = NULL;
}
}
+/* Called from IO thread context */
void pa_source_post(pa_source*s, const pa_memchunk *chunk) {
pa_source_output *o;
void *state = NULL;
pa_assert(PA_SOURCE_IS_OPENED(s->thread_info.state));
pa_assert(chunk);
- 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;
}
}
+/* Called from IO thread context */
void pa_source_post_direct(pa_source*s, pa_source_output *o, const pa_memchunk *chunk) {
pa_source_assert_ref(s);
pa_assert(PA_SOURCE_IS_OPENED(s->thread_info.state));
pa_assert(o->thread_info.direct_on_input);
pa_assert(chunk);
- 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_source_output_push(o, chunk);
}
+/* Called from main thread */
pa_usec_t pa_source_get_latency(pa_source *s) {
pa_usec_t usec;
if (!PA_SOURCE_IS_OPENED(s->state))
return 0;
- if (pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_LATENCY, &usec, 0, NULL) < 0)
+ if (!(s->flags & PA_SOURCE_LATENCY))
return 0;
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_LATENCY, &usec, 0, NULL) == 0);
+
return usec;
}
+/* Called from main thread */
void pa_source_set_volume(pa_source *s, const pa_cvolume *volume) {
- int changed;
+ pa_cvolume old_virtual_volume;
+ pa_bool_t virtual_volume_changed;
pa_source_assert_ref(s);
pa_assert(PA_SOURCE_IS_LINKED(s->state));
pa_assert(volume);
+ pa_assert(pa_cvolume_valid(volume));
+ pa_assert(pa_cvolume_compatible(volume, &s->sample_spec));
- changed = !pa_cvolume_equal(volume, &s->volume);
- s->volume = *volume;
+ old_virtual_volume = s->virtual_volume;
+ s->virtual_volume = *volume;
+ virtual_volume_changed = !pa_cvolume_equal(&old_virtual_volume, &s->virtual_volume);
- if (s->set_volume && s->set_volume(s) < 0)
- s->set_volume = NULL;
+ if (s->set_volume) {
+ pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
+ s->set_volume(s);
+ } else
+ s->soft_volume = s->virtual_volume;
- 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);
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_VOLUME, NULL, 0, NULL) == 0);
- if (changed)
+ if (virtual_volume_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;
+/* Called from main thread. Only to be called by source implementor */
+void pa_source_set_soft_volume(pa_source *s, const pa_cvolume *volume) {
+ pa_source_assert_ref(s);
+ pa_assert(volume);
+
+ if (PA_SOURCE_IS_LINKED(s->state))
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_VOLUME, NULL, 0, NULL) == 0);
+ else
+ s->thread_info.soft_volume = *volume;
+}
+/* Called from main thread */
+const pa_cvolume *pa_source_get_volume(pa_source *s, pa_bool_t force_refresh) {
pa_source_assert_ref(s);
pa_assert(PA_SOURCE_IS_LINKED(s->state));
- old_volume = s->volume;
+ if (s->refresh_volume || force_refresh) {
+ pa_cvolume old_virtual_volume = s->virtual_volume;
- if (s->get_volume && s->get_volume(s) < 0)
- s->get_volume = NULL;
+ if (s->get_volume)
+ s->get_volume(s);
- if (!s->get_volume && s->refresh_volume)
- pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_VOLUME, &s->volume, 0, NULL);
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_VOLUME, NULL, 0, NULL) == 0);
- if (!pa_cvolume_equal(&old_volume, &s->volume))
- pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ if (!pa_cvolume_equal(&old_virtual_volume, &s->virtual_volume))
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ }
- return &s->volume;
+ return &s->virtual_volume;
}
+/* Called from main thread */
void pa_source_set_mute(pa_source *s, pa_bool_t mute) {
- int changed;
+ pa_bool_t old_muted;
pa_source_assert_ref(s);
pa_assert(PA_SOURCE_IS_LINKED(s->state));
- changed = s->muted != mute;
+ old_muted = s->muted;
s->muted = mute;
- if (s->set_mute && s->set_mute(s) < 0)
- s->set_mute = NULL;
+ if (s->set_mute)
+ s->set_mute(s);
- 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);
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_MUTE, NULL, 0, NULL) == 0);
- if (changed)
+ if (old_muted != s->muted)
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;
+/* Called from main thread */
+pa_bool_t pa_source_get_mute(pa_source *s, pa_bool_t force_refresh) {
pa_source_assert_ref(s);
pa_assert(PA_SOURCE_IS_LINKED(s->state));
- old_muted = s->muted;
+ if (s->refresh_muted || force_refresh) {
+ pa_bool_t old_muted = s->muted;
- if (s->get_mute && s->get_mute(s) < 0)
- s->get_mute = NULL;
+ if (s->get_mute)
+ s->get_mute(s);
- if (!s->get_mute && s->refresh_muted)
- pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_MUTE, &s->muted, 0, NULL);
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_MUTE, NULL, 0, NULL) == 0);
- if (old_muted != s->muted)
- pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ if (old_muted != s->muted)
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ }
return s->muted;
}
+/* Called from main thread */
+pa_bool_t pa_source_update_proplist(pa_source *s, pa_update_mode_t mode, pa_proplist *p) {
+
+ pa_source_assert_ref(s);
+
+ pa_proplist_update(s->proplist, mode, p);
+
+ if (PA_SOURCE_IS_LINKED(s->state)) {
+ pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_PROPLIST_CHANGED], s);
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ }
+
+ return TRUE;
+}
+
+/* Called from main thread */
void pa_source_set_description(pa_source *s, const char *description) {
const char *old;
pa_source_assert_ref(s);
}
}
+/* Called from main thread */
unsigned pa_source_linked_by(pa_source *s) {
pa_source_assert_ref(s);
pa_assert(PA_SOURCE_IS_LINKED(s->state));
return pa_idxset_size(s->outputs);
}
+/* Called from main thread */
unsigned pa_source_used_by(pa_source *s) {
unsigned ret;
return ret - s->n_corked;
}
+/* Called from main thread */
+unsigned pa_source_check_suspend(pa_source *s) {
+ unsigned ret;
+ pa_source_output *o;
+ uint32_t idx;
+
+ pa_source_assert_ref(s);
+
+ if (!PA_SOURCE_IS_LINKED(s->state))
+ return 0;
+
+ ret = 0;
+
+ for (o = PA_SOURCE_OUTPUT(pa_idxset_first(s->outputs, &idx)); o; o = PA_SOURCE_OUTPUT(pa_idxset_next(s->outputs, &idx))) {
+ pa_source_output_state_t st;
+
+ st = pa_source_output_get_state(o);
+ pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(st));
+
+ if (st == PA_SOURCE_OUTPUT_CORKED)
+ continue;
+
+ if (o->flags & PA_SOURCE_OUTPUT_DONT_INHIBIT_AUTO_SUSPEND)
+ continue;
+
+ ret ++;
+ }
+
+ return ret;
+}
+
+/* Called from IO thread, except when it is not */
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_source_output_set_state_within_thread(o, o->state);
+ if (o->thread_info.requested_source_latency != (pa_usec_t) -1)
+ pa_source_output_set_requested_latency_within_thread(o, o->thread_info.requested_source_latency);
+
pa_source_output_update_max_rewind(o, s->thread_info.max_rewind);
/* We don't just invalidate the requested latency here,
}
case PA_SOURCE_MESSAGE_SET_VOLUME:
- s->thread_info.soft_volume = *((pa_cvolume*) userdata);
+ s->thread_info.soft_volume = s->soft_volume;
return 0;
- case PA_SOURCE_MESSAGE_SET_MUTE:
- s->thread_info.soft_muted = PA_PTR_TO_UINT(userdata);
+ case PA_SOURCE_MESSAGE_GET_VOLUME:
return 0;
- case PA_SOURCE_MESSAGE_GET_VOLUME:
- *((pa_cvolume*) userdata) = s->thread_info.soft_volume;
+ case PA_SOURCE_MESSAGE_SET_MUTE:
+ s->thread_info.soft_muted = s->muted;
return 0;
case PA_SOURCE_MESSAGE_GET_MUTE:
- *((pa_bool_t*) userdata) = s->thread_info.soft_muted;
return 0;
case PA_SOURCE_MESSAGE_SET_STATE:
case PA_SOURCE_MESSAGE_DETACH:
- /* We're detaching all our output streams so that the
- * asyncmsgq and rtpoll fields can be changed without
- * problems */
+ /* Detach all streams */
pa_source_detach_within_thread(s);
return 0;
pa_usec_t *usec = userdata;
*usec = pa_source_get_requested_latency_within_thread(s);
+
+ if (*usec == (pa_usec_t) -1)
+ *usec = s->thread_info.max_latency;
+
+ return 0;
+ }
+
+ case PA_SOURCE_MESSAGE_SET_LATENCY_RANGE: {
+ pa_usec_t *r = userdata;
+
+ pa_source_update_latency_range(s, r[0], r[1]);
+
+ return 0;
+ }
+
+ case PA_SOURCE_MESSAGE_GET_LATENCY_RANGE: {
+ pa_usec_t *r = userdata;
+
+ r[0] = s->thread_info.min_latency;
+ r[1] = s->thread_info.max_latency;
+
return 0;
}
+ case PA_SOURCE_MESSAGE_GET_MAX_REWIND:
+
+ *((size_t*) userdata) = s->thread_info.max_rewind;
+ return 0;
+
case PA_SOURCE_MESSAGE_GET_LATENCY:
+
+ if (s->monitor_of) {
+ *((pa_usec_t*) userdata) = 0;
+ return 0;
+ }
+
+ /* Implementors need to overwrite this implementation! */
+ return -1;
+
case PA_SOURCE_MESSAGE_MAX:
;
}
return -1;
}
+/* Called from main thread */
int pa_source_suspend_all(pa_core *c, pa_bool_t suspend) {
uint32_t idx;
pa_source *source;
return ret;
}
+/* Called from main thread */
void pa_source_detach(pa_source *s) {
pa_source_assert_ref(s);
pa_assert(PA_SOURCE_IS_LINKED(s->state));
- pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_DETACH, NULL, 0, NULL);
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_DETACH, NULL, 0, NULL) == 0);
}
+/* Called from main thread */
void pa_source_attach(pa_source *s) {
pa_source_assert_ref(s);
pa_assert(PA_SOURCE_IS_LINKED(s->state));
- pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_ATTACH, NULL, 0, NULL);
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_ATTACH, NULL, 0, NULL) == 0);
}
+/* Called from IO thread */
void pa_source_detach_within_thread(pa_source *s) {
pa_source_output *o;
void *state = NULL;
o->detach(o);
}
+/* Called from IO thread */
void pa_source_attach_within_thread(pa_source *s) {
pa_source_output *o;
void *state = NULL;
o->attach(o);
}
+/* Called from IO thread */
pa_usec_t pa_source_get_requested_latency_within_thread(pa_source *s) {
pa_usec_t result = (pa_usec_t) -1;
pa_source_output *o;
result = o->thread_info.requested_source_latency;
if (result != (pa_usec_t) -1) {
- if (s->max_latency > 0 && result > s->max_latency)
- result = s->max_latency;
+ if (s->thread_info.max_latency > 0 && result > s->thread_info.max_latency)
+ result = s->thread_info.max_latency;
- if (s->min_latency > 0 && result < s->min_latency)
- result = s->min_latency;
+ if (s->thread_info.min_latency > 0 && result < s->thread_info.min_latency)
+ result = s->thread_info.min_latency;
}
s->thread_info.requested_latency = result;
return result;
}
+/* Called from main thread */
pa_usec_t pa_source_get_requested_latency(pa_source *s) {
pa_usec_t usec;
if (!PA_SOURCE_IS_OPENED(s->state))
return 0;
- if (pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) < 0)
- return 0;
-
- if (usec == (pa_usec_t) -1)
- usec = s->max_latency;
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
return usec;
}
+/* Called from IO thread */
void pa_source_set_max_rewind(pa_source *s, size_t max_rewind) {
pa_source_output *o;
void *state = NULL;
s->thread_info.max_rewind = max_rewind;
- while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL)))
- pa_source_output_update_max_rewind(o, s->thread_info.max_rewind);
+ if (PA_SOURCE_IS_LINKED(s->thread_info.state)) {
+ while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL)))
+ pa_source_output_update_max_rewind(o, s->thread_info.max_rewind);
+ }
}
void pa_source_invalidate_requested_latency(pa_source *s) {
+ pa_source_output *o;
+ void *state = NULL;
pa_source_assert_ref(s);
if (s->update_requested_latency)
s->update_requested_latency(s);
+ while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL)))
+ if (o->update_source_requested_latency)
+ o->update_source_requested_latency(o);
+
if (s->monitor_of)
pa_sink_invalidate_requested_latency(s->monitor_of);
}
void pa_source_set_latency_range(pa_source *s, pa_usec_t min_latency, pa_usec_t max_latency) {
pa_source_assert_ref(s);
+ /* min_latency == 0: no limit
+ * min_latency == (size_t) -1: default limit
+ * min_latency anything else: specified limit
+ *
+ * Similar for max_latency */
+
if (min_latency == (pa_usec_t) -1)
min_latency = DEFAULT_MIN_LATENCY;
pa_assert(!min_latency || !max_latency ||
min_latency <= max_latency);
- s->min_latency = min_latency;
- s->max_latency = max_latency;
+ if (PA_SOURCE_IS_LINKED(s->state)) {
+ pa_usec_t r[2];
+
+ r[0] = min_latency;
+ r[1] = max_latency;
+
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_LATENCY_RANGE, r, 0, NULL) == 0);
+ } else {
+ s->thread_info.min_latency = min_latency;
+ s->thread_info.max_latency = max_latency;
+
+ s->thread_info.requested_latency_valid = FALSE;
+ }
+}
+
+void pa_source_get_latency_range(pa_source *s, pa_usec_t *min_latency, pa_usec_t *max_latency) {
+ pa_source_assert_ref(s);
+ pa_assert(min_latency);
+ pa_assert(max_latency);
+
+ if (PA_SOURCE_IS_LINKED(s->state)) {
+ pa_usec_t r[2] = { 0, 0 };
+
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_LATENCY_RANGE, r, 0, NULL) == 0);
+
+ *min_latency = r[0];
+ *max_latency = r[1];
+ } else {
+ *min_latency = s->thread_info.min_latency;
+ *max_latency = s->thread_info.max_latency;
+ }
+}
+
+/* Called from IO thread */
+void pa_source_update_latency_range(pa_source *s, pa_usec_t min_latency, pa_usec_t max_latency) {
+ pa_source_output *o;
+ void *state = NULL;
+
+ pa_source_assert_ref(s);
+
+ s->thread_info.min_latency = min_latency;
+ s->thread_info.max_latency = max_latency;
+
+ while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL)))
+ if (o->update_source_latency_range)
+ o->update_source_latency_range(o);
+
+ pa_source_invalidate_requested_latency(s);
+}
+
+size_t pa_source_get_max_rewind(pa_source *s) {
+ size_t r;
+ pa_source_assert_ref(s);
+
+ if (!PA_SOURCE_IS_LINKED(s->state))
+ return s->thread_info.max_rewind;
+
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_MAX_REWIND, &r, 0, NULL) == 0);
+
+ return r;
}