#include <config.h>
#endif
+#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <stdio.h>
#include <pulse/introspect.h>
+#include <pulse/format.h>
#include <pulse/utf8.h>
#include <pulse/xmalloc.h>
#include <pulse/timeval.h>
#include <pulse/util.h>
-#include <pulse/i18n.h>
#include <pulse/rtclock.h>
+#include <pulse/internal.h>
+#include <pulsecore/i18n.h>
#include <pulsecore/sink-input.h>
#include <pulsecore/namereg.h>
#include <pulsecore/core-util.h>
#include <pulsecore/sample-util.h>
+#include <pulsecore/mix.h>
#include <pulsecore/core-subscribe.h>
#include <pulsecore/log.h>
#include <pulsecore/macro.h>
pa_zero(*data);
data->proplist = pa_proplist_new();
+ data->ports = pa_hashmap_new_full(pa_idxset_string_hash_func, pa_idxset_string_compare_func, NULL, (pa_free_cb_t) pa_device_port_unref);
return data;
}
data->channel_map = *map;
}
+void pa_sink_new_data_set_alternate_sample_rate(pa_sink_new_data *data, const uint32_t alternate_sample_rate) {
+ pa_assert(data);
+
+ data->alternate_sample_rate_is_set = true;
+ data->alternate_sample_rate = alternate_sample_rate;
+}
+
void pa_sink_new_data_set_volume(pa_sink_new_data *data, const pa_cvolume *volume) {
pa_assert(data);
data->volume = *volume;
}
-void pa_sink_new_data_set_muted(pa_sink_new_data *data, pa_bool_t mute) {
+void pa_sink_new_data_set_muted(pa_sink_new_data *data, bool mute) {
pa_assert(data);
- data->muted_is_set = TRUE;
+ data->muted_is_set = true;
data->muted = !!mute;
}
pa_proplist_free(data->proplist);
- if (data->ports) {
- pa_device_port *p;
-
- while ((p = pa_hashmap_steal_first(data->ports)))
- pa_device_port_free(p);
-
- pa_hashmap_free(data->ports, NULL, NULL);
- }
+ if (data->ports)
+ pa_hashmap_free(data->ports);
pa_xfree(data->name);
pa_xfree(data->active_port);
}
-pa_device_port *pa_device_port_new(const char *name, const char *description, size_t extra) {
- pa_device_port *p;
-
- pa_assert(name);
-
- p = pa_xmalloc(PA_ALIGN(sizeof(pa_device_port)) + extra);
- p->name = pa_xstrdup(name);
- p->description = pa_xstrdup(description);
-
- p->priority = 0;
-
- return p;
-}
-
-void pa_device_port_free(pa_device_port *p) {
- pa_assert(p);
-
- pa_xfree(p->name);
- pa_xfree(p->description);
- pa_xfree(p);
-}
-
/* Called from main context */
static void reset_callbacks(pa_sink *s) {
pa_assert(s);
s->set_state = NULL;
s->get_volume = NULL;
s->set_volume = NULL;
+ s->write_volume = NULL;
s->get_mute = NULL;
s->set_mute = NULL;
s->request_rewind = NULL;
s->update_requested_latency = NULL;
s->set_port = NULL;
+ s->get_formats = NULL;
+ s->set_formats = NULL;
+ s->update_rate = NULL;
}
/* Called from main context */
pa_return_null_if_fail(pa_channel_map_valid(&data->channel_map));
pa_return_null_if_fail(data->channel_map.channels == data->sample_spec.channels);
- if (!data->volume_is_set)
+ /* FIXME: There should probably be a general function for checking whether
+ * the sink volume is allowed to be set, like there is for sink inputs. */
+ pa_assert(!data->volume_is_set || !(flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
+
+ if (!data->volume_is_set) {
pa_cvolume_reset(&data->volume, data->sample_spec.channels);
+ data->save_volume = false;
+ }
pa_return_null_if_fail(pa_cvolume_valid(&data->volume));
pa_return_null_if_fail(pa_cvolume_compatible(&data->volume, &data->sample_spec));
if (!data->muted_is_set)
- data->muted = FALSE;
+ data->muted = false;
if (data->card)
pa_proplist_update(data->proplist, PA_UPDATE_MERGE, data->card->proplist);
- pa_device_init_description(data->proplist);
- pa_device_init_icon(data->proplist, TRUE);
+ pa_device_init_description(data->proplist, data->card);
+ pa_device_init_icon(data->proplist, true);
pa_device_init_intended_roles(data->proplist);
+ if (!data->active_port) {
+ pa_device_port *p = pa_device_port_find_best(data->ports);
+ if (p)
+ pa_sink_new_data_set_port(data, p->name);
+ }
+
if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SINK_FIXATE], data) < 0) {
pa_xfree(s);
pa_namereg_unregister(core, name);
s->state = PA_SINK_INIT;
s->flags = flags;
s->priority = 0;
- s->suspend_cause = 0;
+ s->suspend_cause = data->suspend_cause;
+ pa_sink_set_mixer_dirty(s, false);
s->name = pa_xstrdup(name);
s->proplist = pa_proplist_copy(data->proplist);
s->driver = pa_xstrdup(pa_path_get_filename(data->driver));
s->sample_spec = data->sample_spec;
s->channel_map = data->channel_map;
+ s->default_sample_rate = s->sample_spec.rate;
+
+ if (data->alternate_sample_rate_is_set)
+ s->alternate_sample_rate = data->alternate_sample_rate;
+ else
+ s->alternate_sample_rate = s->core->alternate_sample_rate;
+
+ if (s->sample_spec.rate == s->alternate_sample_rate) {
+ pa_log_warn("Default and alternate sample rates are the same.");
+ s->alternate_sample_rate = 0;
+ }
s->inputs = pa_idxset_new(NULL, NULL);
s->n_corked = 0;
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->refresh_volume = s->refresh_muted = false;
reset_callbacks(s);
s->userdata = NULL;
data->ports = NULL;
s->active_port = NULL;
- s->save_port = FALSE;
+ s->save_port = false;
- if (data->active_port && s->ports)
+ if (data->active_port)
if ((s->active_port = pa_hashmap_get(s->ports, data->active_port)))
s->save_port = data->save_port;
- if (!s->active_port && s->ports) {
- void *state;
- pa_device_port *p;
+ /* Hopefully the active port has already been assigned in the previous call
+ to pa_device_port_find_best, but better safe than sorry */
+ if (!s->active_port)
+ s->active_port = pa_device_port_find_best(s->ports);
- PA_HASHMAP_FOREACH(p, s->ports, state)
- if (!s->active_port || p->priority > s->active_port->priority)
- s->active_port = p;
- }
+ if (s->active_port)
+ s->latency_offset = s->active_port->latency_offset;
+ else
+ s->latency_offset = 0;
s->save_volume = data->save_volume;
s->save_muted = data->save_muted;
0);
s->thread_info.rtpoll = NULL;
- s->thread_info.inputs = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
+ s->thread_info.inputs = pa_hashmap_new_full(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func, NULL,
+ (pa_free_cb_t) pa_sink_input_unref);
s->thread_info.soft_volume = s->soft_volume;
s->thread_info.soft_muted = s->muted;
s->thread_info.state = s->state;
s->thread_info.rewind_nbytes = 0;
- s->thread_info.rewind_requested = FALSE;
+ s->thread_info.rewind_requested = false;
s->thread_info.max_rewind = 0;
s->thread_info.max_request = 0;
- s->thread_info.requested_latency_valid = FALSE;
+ s->thread_info.requested_latency_valid = false;
s->thread_info.requested_latency = 0;
s->thread_info.min_latency = ABSOLUTE_MIN_LATENCY;
s->thread_info.max_latency = ABSOLUTE_MAX_LATENCY;
PA_LLIST_HEAD_INIT(pa_sink_volume_change, s->thread_info.volume_changes);
s->thread_info.volume_changes_tail = NULL;
pa_sw_cvolume_multiply(&s->thread_info.current_hw_volume, &s->soft_volume, &s->real_volume);
- s->thread_info.volume_change_safety_margin = core->sync_volume_safety_margin_usec;
- s->thread_info.volume_change_extra_delay = core->sync_volume_extra_delay_usec;
+ s->thread_info.volume_change_safety_margin = core->deferred_volume_safety_margin_usec;
+ s->thread_info.volume_change_extra_delay = core->deferred_volume_extra_delay_usec;
+ s->thread_info.latency_offset = s->latency_offset;
/* FIXME: This should probably be moved to pa_sink_put() */
pa_assert_se(pa_idxset_put(core->sinks, s, &s->index) >= 0);
pa_source_new_data_init(&source_data);
pa_source_new_data_set_sample_spec(&source_data, &s->sample_spec);
pa_source_new_data_set_channel_map(&source_data, &s->channel_map);
+ pa_source_new_data_set_alternate_sample_rate(&source_data, s->alternate_sample_rate);
source_data.name = pa_sprintf_malloc("%s.monitor", name);
source_data.driver = data->driver;
source_data.module = data->module;
/* Called from main context */
static int sink_set_state(pa_sink *s, pa_sink_state_t state) {
int ret;
- pa_bool_t suspend_change;
+ bool suspend_change;
pa_sink_state_t original_state;
pa_assert(s);
s->state = state;
- if (state != PA_SINK_UNLINKED) { /* if we enter UNLINKED state pa_sink_unlink() will fire the apropriate events */
+ if (state != PA_SINK_UNLINKED) { /* if we enter UNLINKED state pa_sink_unlink() will fire the appropriate events */
pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_STATE_CHANGED], s);
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
return 0;
}
+void pa_sink_set_get_volume_callback(pa_sink *s, pa_sink_cb_t cb) {
+ pa_assert(s);
+
+ s->get_volume = cb;
+}
+
+void pa_sink_set_set_volume_callback(pa_sink *s, pa_sink_cb_t cb) {
+ pa_sink_flags_t flags;
+
+ pa_assert(s);
+ pa_assert(!s->write_volume || cb);
+
+ s->set_volume = cb;
+
+ /* Save the current flags so we can tell if they've changed */
+ flags = s->flags;
+
+ if (cb) {
+ /* The sink implementor is responsible for setting decibel volume support */
+ s->flags |= PA_SINK_HW_VOLUME_CTRL;
+ } else {
+ s->flags &= ~PA_SINK_HW_VOLUME_CTRL;
+ /* See note below in pa_sink_put() about volume sharing and decibel volumes */
+ pa_sink_enable_decibel_volume(s, !(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
+ }
+
+ /* If the flags have changed after init, let any clients know via a change event */
+ if (s->state != PA_SINK_INIT && flags != s->flags)
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+}
+
+void pa_sink_set_write_volume_callback(pa_sink *s, pa_sink_cb_t cb) {
+ pa_sink_flags_t flags;
+
+ pa_assert(s);
+ pa_assert(!cb || s->set_volume);
+
+ s->write_volume = cb;
+
+ /* Save the current flags so we can tell if they've changed */
+ flags = s->flags;
+
+ if (cb)
+ s->flags |= PA_SINK_DEFERRED_VOLUME;
+ else
+ s->flags &= ~PA_SINK_DEFERRED_VOLUME;
+
+ /* If the flags have changed after init, let any clients know via a change event */
+ if (s->state != PA_SINK_INIT && flags != s->flags)
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+}
+
+void pa_sink_set_get_mute_callback(pa_sink *s, pa_sink_cb_t cb) {
+ pa_assert(s);
+
+ s->get_mute = cb;
+}
+
+void pa_sink_set_set_mute_callback(pa_sink *s, pa_sink_cb_t cb) {
+ pa_sink_flags_t flags;
+
+ pa_assert(s);
+
+ s->set_mute = cb;
+
+ /* Save the current flags so we can tell if they've changed */
+ flags = s->flags;
+
+ if (cb)
+ s->flags |= PA_SINK_HW_MUTE_CTRL;
+ else
+ s->flags &= ~PA_SINK_HW_MUTE_CTRL;
+
+ /* If the flags have changed after init, let any clients know via a change event */
+ if (s->state != PA_SINK_INIT && flags != s->flags)
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+}
+
+static void enable_flat_volume(pa_sink *s, bool enable) {
+ pa_sink_flags_t flags;
+
+ pa_assert(s);
+
+ /* Always follow the overall user preference here */
+ enable = enable && s->core->flat_volumes;
+
+ /* Save the current flags so we can tell if they've changed */
+ flags = s->flags;
+
+ if (enable)
+ s->flags |= PA_SINK_FLAT_VOLUME;
+ else
+ s->flags &= ~PA_SINK_FLAT_VOLUME;
+
+ /* If the flags have changed after init, let any clients know via a change event */
+ if (s->state != PA_SINK_INIT && flags != s->flags)
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+}
+
+void pa_sink_enable_decibel_volume(pa_sink *s, bool enable) {
+ pa_sink_flags_t flags;
+
+ pa_assert(s);
+
+ /* Save the current flags so we can tell if they've changed */
+ flags = s->flags;
+
+ if (enable) {
+ s->flags |= PA_SINK_DECIBEL_VOLUME;
+ enable_flat_volume(s, true);
+ } else {
+ s->flags &= ~PA_SINK_DECIBEL_VOLUME;
+ enable_flat_volume(s, false);
+ }
+
+ /* If the flags have changed after init, let any clients know via a change event */
+ if (s->state != PA_SINK_INIT && flags != s->flags)
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+}
+
/* Called from main context */
void pa_sink_put(pa_sink* s) {
pa_sink_assert_ref(s);
pa_assert_ctl_context();
pa_assert(s->state == PA_SINK_INIT);
+ pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER) || s->input_to_master);
/* The following fields must be initialized properly when calling _put() */
pa_assert(s->asyncmsgq);
pa_assert(s->thread_info.min_latency <= s->thread_info.max_latency);
/* Generally, flags should be initialized via pa_sink_new(). As a
- * special exception we allow volume related flags to be set
- * between _new() and _put(). */
+ * special exception we allow some volume related flags to be set
+ * between _new() and _put() by the callback setter functions above.
+ *
+ * Thus we implement a couple safeguards here which ensure the above
+ * setters were used (or at least the implementor made manual changes
+ * in a compatible way).
+ *
+ * Note: All of these flags set here can change over the life time
+ * of the sink. */
+ pa_assert(!(s->flags & PA_SINK_HW_VOLUME_CTRL) || s->set_volume);
+ pa_assert(!(s->flags & PA_SINK_DEFERRED_VOLUME) || s->write_volume);
+ pa_assert(!(s->flags & PA_SINK_HW_MUTE_CTRL) || s->set_mute);
- if (!(s->flags & PA_SINK_HW_VOLUME_CTRL))
- s->flags |= PA_SINK_DECIBEL_VOLUME;
+ /* XXX: Currently decibel volume is disabled for all sinks that use volume
+ * sharing. When the master sink supports decibel volume, it would be good
+ * to have the flag also in the filter sink, but currently we don't do that
+ * so that the flags of the filter sink never change when it's moved from
+ * a master sink to another. One solution for this problem would be to
+ * remove user-visible volume altogether from filter sinks when volume
+ * sharing is used, but the current approach was easier to implement... */
+ /* We always support decibel volumes in software, otherwise we leave it to
+ * the sink implementor to set this flag as needed.
+ *
+ * Note: This flag can also change over the life time of the sink. */
+ if (!(s->flags & PA_SINK_HW_VOLUME_CTRL) && !(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
+ pa_sink_enable_decibel_volume(s, true);
- if ((s->flags & PA_SINK_DECIBEL_VOLUME) && s->core->flat_volumes)
- s->flags |= PA_SINK_FLAT_VOLUME;
+ /* If the sink implementor support DB volumes by itself, we should always
+ * try and enable flat volumes too */
+ if ((s->flags & PA_SINK_DECIBEL_VOLUME))
+ enable_flat_volume(s, true);
+
+ if (s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER) {
+ pa_sink *root_sink = pa_sink_get_master(s);
- /* We assume that if the sink implementor changed the default
- * volume he did so in real_volume, because that is the usual
- * place where he is supposed to place his changes. */
- s->reference_volume = s->real_volume;
+ pa_assert(root_sink);
+
+ s->reference_volume = root_sink->reference_volume;
+ pa_cvolume_remap(&s->reference_volume, &root_sink->channel_map, &s->channel_map);
+
+ s->real_volume = root_sink->real_volume;
+ pa_cvolume_remap(&s->real_volume, &root_sink->channel_map, &s->channel_map);
+ } else
+ /* We assume that if the sink implementor changed the default
+ * volume he did so in real_volume, because that is the usual
+ * place where he is supposed to place his changes. */
+ s->reference_volume = s->real_volume;
s->thread_info.soft_volume = s->soft_volume;
s->thread_info.soft_muted = s->muted;
pa_sw_cvolume_multiply(&s->thread_info.current_hw_volume, &s->soft_volume, &s->real_volume);
- pa_assert((s->flags & PA_SINK_HW_VOLUME_CTRL) || (s->base_volume == PA_VOLUME_NORM && s->flags & PA_SINK_DECIBEL_VOLUME));
+ pa_assert((s->flags & PA_SINK_HW_VOLUME_CTRL)
+ || (s->base_volume == PA_VOLUME_NORM
+ && ((s->flags & PA_SINK_DECIBEL_VOLUME || (s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)))));
pa_assert(!(s->flags & PA_SINK_DECIBEL_VOLUME) || s->n_volume_steps == PA_VOLUME_NORM+1);
pa_assert(!(s->flags & PA_SINK_DYNAMIC_LATENCY) == (s->thread_info.fixed_latency != 0));
pa_assert(!(s->flags & PA_SINK_LATENCY) == !(s->monitor_source->flags & PA_SOURCE_LATENCY));
pa_assert(!(s->flags & PA_SINK_DYNAMIC_LATENCY) == !(s->monitor_source->flags & PA_SOURCE_DYNAMIC_LATENCY));
- pa_assert(!(s->flags & PA_SINK_HW_VOLUME_CTRL) || s->set_volume);
- pa_assert(!(s->flags & PA_SINK_SYNC_VOLUME) || (s->flags & PA_SINK_HW_VOLUME_CTRL));
- pa_assert(!(s->flags & PA_SINK_SYNC_VOLUME) || s->write_volume);
- pa_assert(!(s->flags & PA_SINK_HW_MUTE_CTRL) || s->set_mute);
pa_assert(s->monitor_source->thread_info.fixed_latency == s->thread_info.fixed_latency);
pa_assert(s->monitor_source->thread_info.min_latency == s->thread_info.min_latency);
pa_assert(s->monitor_source->thread_info.max_latency == s->thread_info.max_latency);
- pa_assert_se(sink_set_state(s, PA_SINK_IDLE) == 0);
+ if (s->suspend_cause)
+ pa_assert_se(sink_set_state(s, PA_SINK_SUSPENDED) == 0);
+ else
+ pa_assert_se(sink_set_state(s, PA_SINK_IDLE) == 0);
pa_source_put(s->monitor_source);
/* Called from main context */
void pa_sink_unlink(pa_sink* s) {
- pa_bool_t linked;
+ bool linked;
pa_sink_input *i, *j = NULL;
pa_assert(s);
/* Called from main context */
static void sink_free(pa_object *o) {
pa_sink *s = PA_SINK(o);
- pa_sink_input *i;
pa_assert(s);
pa_assert_ctl_context();
s->monitor_source = NULL;
}
- pa_idxset_free(s->inputs, NULL, NULL);
-
- while ((i = pa_hashmap_steal_first(s->thread_info.inputs)))
- pa_sink_input_unref(i);
-
- pa_hashmap_free(s->thread_info.inputs, NULL, NULL);
+ pa_idxset_free(s->inputs, NULL);
+ pa_hashmap_free(s->thread_info.inputs);
if (s->silence.memblock)
pa_memblock_unref(s->silence.memblock);
if (s->proplist)
pa_proplist_free(s->proplist);
- if (s->ports) {
- pa_device_port *p;
-
- while ((p = pa_hashmap_steal_first(s->ports)))
- pa_device_port_free(p);
-
- pa_hashmap_free(s->ports, NULL, NULL);
- }
+ if (s->ports)
+ pa_hashmap_free(s->ports);
pa_xfree(s);
}
/* Called from main context, and not while the IO thread is active, please */
void pa_sink_update_flags(pa_sink *s, pa_sink_flags_t mask, pa_sink_flags_t value) {
+ pa_sink_flags_t old_flags;
+ pa_sink_input *input;
+ uint32_t idx;
+
pa_sink_assert_ref(s);
pa_assert_ctl_context();
- if (mask == 0)
- return;
-
/* For now, allow only a minimal set of flags to be changed. */
pa_assert((mask & ~(PA_SINK_DYNAMIC_LATENCY|PA_SINK_LATENCY)) == 0);
+ old_flags = s->flags;
s->flags = (s->flags & ~mask) | (value & mask);
- pa_source_update_flags(s->monitor_source,
- ((mask & PA_SINK_LATENCY) ? PA_SOURCE_LATENCY : 0) |
- ((mask & PA_SINK_DYNAMIC_LATENCY) ? PA_SOURCE_DYNAMIC_LATENCY : 0),
- ((value & PA_SINK_LATENCY) ? PA_SOURCE_LATENCY : 0) |
- ((value & PA_SINK_DYNAMIC_LATENCY) ? PA_SINK_DYNAMIC_LATENCY : 0));
+ if (s->flags == old_flags)
+ return;
+
+ if ((s->flags & PA_SINK_LATENCY) != (old_flags & PA_SINK_LATENCY))
+ pa_log_debug("Sink %s: LATENCY flag %s.", s->name, (s->flags & PA_SINK_LATENCY) ? "enabled" : "disabled");
+
+ if ((s->flags & PA_SINK_DYNAMIC_LATENCY) != (old_flags & PA_SINK_DYNAMIC_LATENCY))
+ pa_log_debug("Sink %s: DYNAMIC_LATENCY flag %s.",
+ s->name, (s->flags & PA_SINK_DYNAMIC_LATENCY) ? "enabled" : "disabled");
+
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_FLAGS_CHANGED], s);
+
+ if (s->monitor_source)
+ pa_source_update_flags(s->monitor_source,
+ ((mask & PA_SINK_LATENCY) ? PA_SOURCE_LATENCY : 0) |
+ ((mask & PA_SINK_DYNAMIC_LATENCY) ? PA_SOURCE_DYNAMIC_LATENCY : 0),
+ ((value & PA_SINK_LATENCY) ? PA_SOURCE_LATENCY : 0) |
+ ((value & PA_SINK_DYNAMIC_LATENCY) ? PA_SOURCE_DYNAMIC_LATENCY : 0));
+
+ PA_IDXSET_FOREACH(input, s->inputs, idx) {
+ if (input->origin_sink)
+ pa_sink_update_flags(input->origin_sink, mask, value);
+ }
}
/* Called from IO context, or before _put() from main context */
return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE);
}
+/* Called from any context - must be threadsafe */
+void pa_sink_set_mixer_dirty(pa_sink *s, bool is_dirty) {
+ pa_atomic_store(&s->mixer_dirty, is_dirty ? 1 : 0);
+}
+
/* Called from main context */
-int pa_sink_suspend(pa_sink *s, pa_bool_t suspend, pa_suspend_cause_t cause) {
+int pa_sink_suspend(pa_sink *s, bool suspend, pa_suspend_cause_t cause) {
pa_sink_assert_ref(s);
pa_assert_ctl_context();
pa_assert(PA_SINK_IS_LINKED(s->state));
s->monitor_source->suspend_cause &= ~cause;
}
+ if (!(s->suspend_cause & PA_SUSPEND_SESSION) && (pa_atomic_load(&s->mixer_dirty) != 0)) {
+ /* This might look racy but isn't: If somebody sets mixer_dirty exactly here,
+ it'll be handled just fine. */
+ pa_sink_set_mixer_dirty(s, false);
+ pa_log_debug("Mixer is now accessible. Updating alsa mixer settings.");
+ if (s->active_port && s->set_port) {
+ if (s->flags & PA_SINK_DEFERRED_VOLUME) {
+ struct sink_message_set_port msg = { .port = s->active_port, .ret = 0 };
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_PORT, &msg, 0, NULL) == 0);
+ }
+ else
+ s->set_port(s, s->active_port);
+ }
+ else {
+ if (s->set_mute)
+ s->set_mute(s);
+ if (s->set_volume)
+ s->set_volume(s);
+ }
+ }
+
if ((pa_sink_get_state(s) == PA_SINK_SUSPENDED) == !!s->suspend_cause)
return 0;
}
/* Called from main context */
-void pa_sink_move_all_finish(pa_sink *s, pa_queue *q, pa_bool_t save) {
+void pa_sink_move_all_finish(pa_sink *s, pa_queue *q, bool save) {
pa_sink_input *i;
pa_sink_assert_ref(s);
pa_sink_input_unref(i);
}
- pa_queue_free(q, NULL, NULL);
+ pa_queue_free(q, NULL);
}
/* Called from main context */
pa_sink_input_unref(i);
}
- pa_queue_free(q, NULL, NULL);
+ pa_queue_free(q, NULL);
+}
+
+ /* Called from IO thread context */
+size_t pa_sink_process_input_underruns(pa_sink *s, size_t left_to_play) {
+ pa_sink_input *i;
+ void *state = NULL;
+ size_t result = 0;
+
+ pa_sink_assert_ref(s);
+ pa_sink_assert_io_context(s);
+
+ PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
+ size_t uf = i->thread_info.underrun_for_sink;
+ if (uf == 0)
+ continue;
+ if (uf >= left_to_play) {
+ if (pa_sink_input_process_underrun(i))
+ continue;
+ }
+ else if (uf > result)
+ result = uf;
+ }
+
+ if (result > 0)
+ pa_log_debug("Found underrun %ld bytes ago (%ld bytes ahead in playback buffer)", (long) result, (long) left_to_play - result);
+ return left_to_play - result;
}
/* Called from IO thread context */
return;
s->thread_info.rewind_nbytes = 0;
- s->thread_info.rewind_requested = FALSE;
-
- if (s->thread_info.state == PA_SINK_SUSPENDED)
- return;
+ s->thread_info.rewind_requested = false;
if (nbytes > 0) {
pa_log_debug("Processing rewind...");
- if (s->flags & PA_SINK_SYNC_VOLUME)
+ if (s->flags & PA_SINK_DEFERRED_VOLUME)
pa_sink_volume_change_rewind(s, nbytes);
}
}
if (m) {
- if (m->chunk.memblock)
+ if (m->chunk.memblock) {
pa_memblock_unref(m->chunk.memblock);
pa_memchunk_reset(&m->chunk);
+ }
pa_sink_input_unref(m->userdata);
m->userdata = NULL;
pa_sink_unref(s);
}
+/* Called from main thread */
+int pa_sink_update_rate(pa_sink *s, uint32_t rate, bool passthrough) {
+ int ret = -1;
+ uint32_t desired_rate = rate;
+ uint32_t default_rate = s->default_sample_rate;
+ uint32_t alternate_rate = s->alternate_sample_rate;
+ uint32_t idx;
+ pa_sink_input *i;
+ bool use_alternate = false;
+
+ if (rate == s->sample_spec.rate)
+ return 0;
+
+ if (!s->update_rate)
+ return -1;
+
+ if (PA_UNLIKELY(default_rate == alternate_rate && !passthrough)) {
+ pa_log_debug("Default and alternate sample rates are the same.");
+ return -1;
+ }
+
+ if (PA_SINK_IS_RUNNING(s->state)) {
+ pa_log_info("Cannot update rate, SINK_IS_RUNNING, will keep using %u Hz",
+ s->sample_spec.rate);
+ return -1;
+ }
+
+ if (s->monitor_source) {
+ if (PA_SOURCE_IS_RUNNING(s->monitor_source->state) == true) {
+ pa_log_info("Cannot update rate, monitor source is RUNNING");
+ return -1;
+ }
+ }
+
+ if (PA_UNLIKELY(!pa_sample_rate_valid(desired_rate)))
+ return -1;
+
+ if (!passthrough) {
+ pa_assert((default_rate % 4000 == 0) || (default_rate % 11025 == 0));
+ pa_assert((alternate_rate % 4000 == 0) || (alternate_rate % 11025 == 0));
+
+ if (default_rate % 11025 == 0) {
+ if ((alternate_rate % 4000 == 0) && (desired_rate % 4000 == 0))
+ use_alternate=true;
+ } else {
+ /* default is 4000 multiple */
+ if ((alternate_rate % 11025 == 0) && (desired_rate % 11025 == 0))
+ use_alternate=true;
+ }
+
+ if (use_alternate)
+ desired_rate = alternate_rate;
+ else
+ desired_rate = default_rate;
+ } else {
+ desired_rate = rate; /* use stream sampling rate, discard default/alternate settings */
+ }
+
+ if (desired_rate == s->sample_spec.rate)
+ return -1;
+
+ if (!passthrough && pa_sink_used_by(s) > 0)
+ return -1;
+
+ pa_log_debug("Suspending sink %s due to changing the sample rate.", s->name);
+ pa_sink_suspend(s, true, PA_SUSPEND_INTERNAL);
+
+ if (s->update_rate(s, desired_rate) >= 0) {
+ /* update monitor source as well */
+ if (s->monitor_source && !passthrough)
+ pa_source_update_rate(s->monitor_source, desired_rate, false);
+ pa_log_info("Changed sampling rate successfully");
+
+ PA_IDXSET_FOREACH(i, s->inputs, idx) {
+ if (i->state == PA_SINK_INPUT_CORKED)
+ pa_sink_input_update_rate(i);
+ }
+
+ ret = 0;
+ }
+
+ pa_sink_suspend(s, false, PA_SUSPEND_INTERNAL);
+
+ return ret;
+}
+
/* Called from main thread */
pa_usec_t pa_sink_get_latency(pa_sink *s) {
pa_usec_t usec = 0;
pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) == 0);
+ /* usec is unsigned, so check that the offset can be added to usec without
+ * underflowing. */
+ if (-s->latency_offset <= (int64_t) usec)
+ usec += s->latency_offset;
+ else
+ usec = 0;
+
return usec;
}
if (o->process_msg(o, PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) < 0)
return -1;
+ /* usec is unsigned, so check that the offset can be added to usec without
+ * underflowing. */
+ if (-s->thread_info.latency_offset <= (int64_t) usec)
+ usec += s->thread_info.latency_offset;
+ else
+ usec = 0;
+
return usec;
}
-static pa_cvolume* cvolume_remap_minimal_impact(
+/* Called from the main thread (and also from the IO thread while the main
+ * thread is waiting).
+ *
+ * When a sink uses volume sharing, it never has the PA_SINK_FLAT_VOLUME flag
+ * set. Instead, flat volume mode is detected by checking whether the root sink
+ * has the flag set. */
+bool pa_sink_flat_volume_enabled(pa_sink *s) {
+ pa_sink_assert_ref(s);
+
+ s = pa_sink_get_master(s);
+
+ if (PA_LIKELY(s))
+ return (s->flags & PA_SINK_FLAT_VOLUME);
+ else
+ return false;
+}
+
+/* Called from the main thread (and also from the IO thread while the main
+ * thread is waiting). */
+pa_sink *pa_sink_get_master(pa_sink *s) {
+ pa_sink_assert_ref(s);
+
+ while (s && (s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
+ if (PA_UNLIKELY(!s->input_to_master))
+ return NULL;
+
+ s = s->input_to_master->sink;
+ }
+
+ return s;
+}
+
+/* Called from main context */
+bool pa_sink_is_passthrough(pa_sink *s) {
+ pa_sink_input *alt_i;
+ uint32_t idx;
+
+ pa_sink_assert_ref(s);
+
+ /* one and only one PASSTHROUGH input can possibly be connected */
+ if (pa_idxset_size(s->inputs) == 1) {
+ alt_i = pa_idxset_first(s->inputs, &idx);
+
+ if (pa_sink_input_is_passthrough(alt_i))
+ return true;
+ }
+
+ return false;
+}
+
+/* Called from main context */
+void pa_sink_enter_passthrough(pa_sink *s) {
+ pa_cvolume volume;
+
+ /* disable the monitor in passthrough mode */
+ if (s->monitor_source) {
+ pa_log_debug("Suspending monitor source %s, because the sink is entering the passthrough mode.", s->monitor_source->name);
+ pa_source_suspend(s->monitor_source, true, PA_SUSPEND_PASSTHROUGH);
+ }
+
+ /* set the volume to NORM */
+ s->saved_volume = *pa_sink_get_volume(s, true);
+ s->saved_save_volume = s->save_volume;
+
+ pa_cvolume_set(&volume, s->sample_spec.channels, PA_MIN(s->base_volume, PA_VOLUME_NORM));
+ pa_sink_set_volume(s, &volume, true, false);
+}
+
+/* Called from main context */
+void pa_sink_leave_passthrough(pa_sink *s) {
+ /* Unsuspend monitor */
+ if (s->monitor_source) {
+ pa_log_debug("Resuming monitor source %s, because the sink is leaving the passthrough mode.", s->monitor_source->name);
+ pa_source_suspend(s->monitor_source, false, PA_SUSPEND_PASSTHROUGH);
+ }
+
+ /* Restore sink volume to what it was before we entered passthrough mode */
+ pa_sink_set_volume(s, &s->saved_volume, true, s->saved_save_volume);
+
+ pa_cvolume_init(&s->saved_volume);
+ s->saved_save_volume = false;
+}
+
+/* Called from main context. */
+static void compute_reference_ratio(pa_sink_input *i) {
+ unsigned c = 0;
+ pa_cvolume remapped;
+
+ pa_assert(i);
+ pa_assert(pa_sink_flat_volume_enabled(i->sink));
+
+ /*
+ * Calculates the reference ratio from the sink's reference
+ * volume. This basically calculates:
+ *
+ * i->reference_ratio = i->volume / i->sink->reference_volume
+ */
+
+ remapped = i->sink->reference_volume;
+ pa_cvolume_remap(&remapped, &i->sink->channel_map, &i->channel_map);
+
+ i->reference_ratio.channels = i->sample_spec.channels;
+
+ for (c = 0; c < i->sample_spec.channels; c++) {
+
+ /* We don't update when the sink volume is 0 anyway */
+ if (remapped.values[c] <= PA_VOLUME_MUTED)
+ continue;
+
+ /* Don't update the reference ratio unless necessary */
+ if (pa_sw_volume_multiply(
+ i->reference_ratio.values[c],
+ remapped.values[c]) == i->volume.values[c])
+ continue;
+
+ i->reference_ratio.values[c] = pa_sw_volume_divide(
+ i->volume.values[c],
+ remapped.values[c]);
+ }
+}
+
+/* Called from main context. Only called for the root sink in volume sharing
+ * cases, except for internal recursive calls. */
+static void compute_reference_ratios(pa_sink *s) {
+ uint32_t idx;
+ pa_sink_input *i;
+
+ pa_sink_assert_ref(s);
+ pa_assert_ctl_context();
+ pa_assert(PA_SINK_IS_LINKED(s->state));
+ pa_assert(pa_sink_flat_volume_enabled(s));
+
+ PA_IDXSET_FOREACH(i, s->inputs, idx) {
+ compute_reference_ratio(i);
+
+ if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
+ compute_reference_ratios(i->origin_sink);
+ }
+}
+
+/* Called from main context. Only called for the root sink in volume sharing
+ * cases, except for internal recursive calls. */
+static void compute_real_ratios(pa_sink *s) {
+ pa_sink_input *i;
+ uint32_t idx;
+
+ pa_sink_assert_ref(s);
+ pa_assert_ctl_context();
+ pa_assert(PA_SINK_IS_LINKED(s->state));
+ pa_assert(pa_sink_flat_volume_enabled(s));
+
+ PA_IDXSET_FOREACH(i, s->inputs, idx) {
+ unsigned c;
+ pa_cvolume remapped;
+
+ if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
+ /* The origin sink uses volume sharing, so this input's real ratio
+ * is handled as a special case - the real ratio must be 0 dB, and
+ * as a result i->soft_volume must equal i->volume_factor. */
+ pa_cvolume_reset(&i->real_ratio, i->real_ratio.channels);
+ i->soft_volume = i->volume_factor;
+
+ compute_real_ratios(i->origin_sink);
+
+ continue;
+ }
+
+ /*
+ * This basically calculates:
+ *
+ * i->real_ratio := i->volume / s->real_volume
+ * i->soft_volume := i->real_ratio * i->volume_factor
+ */
+
+ remapped = s->real_volume;
+ pa_cvolume_remap(&remapped, &s->channel_map, &i->channel_map);
+
+ i->real_ratio.channels = i->sample_spec.channels;
+ i->soft_volume.channels = i->sample_spec.channels;
+
+ for (c = 0; c < i->sample_spec.channels; c++) {
+
+ if (remapped.values[c] <= PA_VOLUME_MUTED) {
+ /* We leave i->real_ratio untouched */
+ i->soft_volume.values[c] = PA_VOLUME_MUTED;
+ continue;
+ }
+
+ /* Don't lose accuracy unless necessary */
+ if (pa_sw_volume_multiply(
+ i->real_ratio.values[c],
+ remapped.values[c]) != i->volume.values[c])
+
+ i->real_ratio.values[c] = pa_sw_volume_divide(
+ i->volume.values[c],
+ remapped.values[c]);
+
+ i->soft_volume.values[c] = pa_sw_volume_multiply(
+ i->real_ratio.values[c],
+ i->volume_factor.values[c]);
+ }
+
+ /* We don't copy the soft_volume to the thread_info data
+ * here. That must be done by the caller */
+ }
+}
+
+static pa_cvolume *cvolume_remap_minimal_impact(
pa_cvolume *v,
const pa_cvolume *template,
const pa_channel_map *from,
pa_assert(template);
pa_assert(from);
pa_assert(to);
-
- pa_return_val_if_fail(pa_cvolume_compatible_with_channel_map(v, from), NULL);
- pa_return_val_if_fail(pa_cvolume_compatible_with_channel_map(template, to), NULL);
+ pa_assert(pa_cvolume_compatible_with_channel_map(v, from));
+ pa_assert(pa_cvolume_compatible_with_channel_map(template, to));
/* Much like pa_cvolume_remap(), but tries to minimize impact when
* mapping from sink input to sink volumes:
return v;
}
-/* Called from main context */
-static void compute_reference_ratios(pa_sink *s) {
- uint32_t idx;
+/* Called from main thread. Only called for the root sink in volume sharing
+ * cases, except for internal recursive calls. */
+static void get_maximum_input_volume(pa_sink *s, pa_cvolume *max_volume, const pa_channel_map *channel_map) {
pa_sink_input *i;
+ uint32_t idx;
pa_sink_assert_ref(s);
- pa_assert_ctl_context();
- pa_assert(PA_SINK_IS_LINKED(s->state));
- pa_assert(s->flags & PA_SINK_FLAT_VOLUME);
+ pa_assert(max_volume);
+ pa_assert(channel_map);
+ pa_assert(pa_sink_flat_volume_enabled(s));
PA_IDXSET_FOREACH(i, s->inputs, idx) {
- unsigned c;
pa_cvolume remapped;
- /*
- * Calculates the reference volume from the sink's reference
- * volume. This basically calculates:
- *
- * i->reference_ratio = i->volume / s->reference_volume
- */
-
- remapped = s->reference_volume;
- pa_cvolume_remap(&remapped, &s->channel_map, &i->channel_map);
-
- i->reference_ratio.channels = i->sample_spec.channels;
+ if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
+ get_maximum_input_volume(i->origin_sink, max_volume, channel_map);
- for (c = 0; c < i->sample_spec.channels; c++) {
-
- /* We don't update when the sink volume is 0 anyway */
- if (remapped.values[c] <= PA_VOLUME_MUTED)
- continue;
-
- /* Don't update the reference ratio unless necessary */
- if (pa_sw_volume_multiply(
- i->reference_ratio.values[c],
- remapped.values[c]) == i->volume.values[c])
- continue;
-
- i->reference_ratio.values[c] = pa_sw_volume_divide(
- i->volume.values[c],
- remapped.values[c]);
+ /* Ignore this input. The origin sink uses volume sharing, so this
+ * input's volume will be set to be equal to the root sink's real
+ * volume. Obviously this input's current volume must not then
+ * affect what the root sink's real volume will be. */
+ continue;
}
+
+ remapped = i->volume;
+ cvolume_remap_minimal_impact(&remapped, max_volume, &i->channel_map, channel_map);
+ pa_cvolume_merge(max_volume, max_volume, &remapped);
}
}
-/* Called from main context */
-static void compute_real_ratios(pa_sink *s) {
+/* Called from main thread. Only called for the root sink in volume sharing
+ * cases, except for internal recursive calls. */
+static bool has_inputs(pa_sink *s) {
pa_sink_input *i;
uint32_t idx;
pa_sink_assert_ref(s);
- pa_assert_ctl_context();
- pa_assert(PA_SINK_IS_LINKED(s->state));
- pa_assert(s->flags & PA_SINK_FLAT_VOLUME);
PA_IDXSET_FOREACH(i, s->inputs, idx) {
- unsigned c;
- pa_cvolume remapped;
+ if (!i->origin_sink || !(i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER) || has_inputs(i->origin_sink))
+ return true;
+ }
- /*
- * This basically calculates:
- *
- * i->real_ratio := i->volume / s->real_volume
- * i->soft_volume := i->real_ratio * i->volume_factor
- */
+ return false;
+}
- remapped = s->real_volume;
- pa_cvolume_remap(&remapped, &s->channel_map, &i->channel_map);
+/* Called from main thread. Only called for the root sink in volume sharing
+ * cases, except for internal recursive calls. */
+static void update_real_volume(pa_sink *s, const pa_cvolume *new_volume, pa_channel_map *channel_map) {
+ pa_sink_input *i;
+ uint32_t idx;
- i->real_ratio.channels = i->sample_spec.channels;
- i->soft_volume.channels = i->sample_spec.channels;
+ pa_sink_assert_ref(s);
+ pa_assert(new_volume);
+ pa_assert(channel_map);
- for (c = 0; c < i->sample_spec.channels; c++) {
+ s->real_volume = *new_volume;
+ pa_cvolume_remap(&s->real_volume, channel_map, &s->channel_map);
- if (remapped.values[c] <= PA_VOLUME_MUTED) {
- /* We leave i->real_ratio untouched */
- i->soft_volume.values[c] = PA_VOLUME_MUTED;
- continue;
- }
+ PA_IDXSET_FOREACH(i, s->inputs, idx) {
+ if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
+ if (pa_sink_flat_volume_enabled(s)) {
+ pa_cvolume old_volume = i->volume;
- /* Don't lose accuracy unless necessary */
- if (pa_sw_volume_multiply(
- i->real_ratio.values[c],
- remapped.values[c]) != i->volume.values[c])
+ /* Follow the root sink's real volume. */
+ i->volume = *new_volume;
+ pa_cvolume_remap(&i->volume, channel_map, &i->channel_map);
+ compute_reference_ratio(i);
- i->real_ratio.values[c] = pa_sw_volume_divide(
- i->volume.values[c],
- remapped.values[c]);
+ /* The volume changed, let's tell people so */
+ if (!pa_cvolume_equal(&old_volume, &i->volume)) {
+ if (i->volume_changed)
+ i->volume_changed(i);
- i->soft_volume.values[c] = pa_sw_volume_multiply(
- i->real_ratio.values[c],
- i->volume_factor.values[c]);
- }
+ pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
+ }
+ }
- /* We don't copy the soft_volume to the thread_info data
- * here. That must be done by the caller */
+ update_real_volume(i->origin_sink, new_volume, channel_map);
+ }
}
}
-/* Called from main thread */
+/* Called from main thread. Only called for the root sink in shared volume
+ * cases. */
static void compute_real_volume(pa_sink *s) {
- pa_sink_input *i;
- uint32_t idx;
-
pa_sink_assert_ref(s);
pa_assert_ctl_context();
pa_assert(PA_SINK_IS_LINKED(s->state));
- pa_assert(s->flags & PA_SINK_FLAT_VOLUME);
+ pa_assert(pa_sink_flat_volume_enabled(s));
+ pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
/* This determines the maximum volume of all streams and sets
* s->real_volume accordingly. */
- if (pa_idxset_isempty(s->inputs)) {
- /* In the special case that we have no sink input we leave the
+ if (!has_inputs(s)) {
+ /* In the special case that we have no sink inputs we leave the
* volume unmodified. */
- s->real_volume = s->reference_volume;
+ update_real_volume(s, &s->reference_volume, &s->channel_map);
return;
}
/* First let's determine the new maximum volume of all inputs
* connected to this sink */
- PA_IDXSET_FOREACH(i, s->inputs, idx) {
- pa_cvolume remapped;
-
- remapped = i->volume;
- cvolume_remap_minimal_impact(&remapped, &s->real_volume, &i->channel_map, &s->channel_map);
- pa_cvolume_merge(&s->real_volume, &s->real_volume, &remapped);
- }
+ get_maximum_input_volume(s, &s->real_volume, &s->channel_map);
+ update_real_volume(s, &s->real_volume, &s->channel_map);
/* Then, let's update the real ratios/soft volumes of all inputs
* connected to this sink */
compute_real_ratios(s);
}
-/* Called from main thread */
+/* Called from main thread. Only called for the root sink in shared volume
+ * cases, except for internal recursive calls. */
static void propagate_reference_volume(pa_sink *s) {
pa_sink_input *i;
uint32_t idx;
pa_sink_assert_ref(s);
pa_assert_ctl_context();
pa_assert(PA_SINK_IS_LINKED(s->state));
- pa_assert(s->flags & PA_SINK_FLAT_VOLUME);
+ pa_assert(pa_sink_flat_volume_enabled(s));
/* This is called whenever the sink volume changes that is not
* caused by a sink input volume change. We need to fix up the
* sink input volumes accordingly */
PA_IDXSET_FOREACH(i, s->inputs, idx) {
- pa_cvolume old_volume, remapped;
+ pa_cvolume old_volume;
+
+ if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
+ propagate_reference_volume(i->origin_sink);
+
+ /* Since the origin sink uses volume sharing, this input's volume
+ * needs to be updated to match the root sink's real volume, but
+ * that will be done later in update_shared_real_volume(). */
+ continue;
+ }
old_volume = i->volume;
*
* i->volume := s->reference_volume * i->reference_ratio */
- remapped = s->reference_volume;
- pa_cvolume_remap(&remapped, &s->channel_map, &i->channel_map);
- pa_sw_cvolume_multiply(&i->volume, &remapped, &i->reference_ratio);
+ i->volume = s->reference_volume;
+ pa_cvolume_remap(&i->volume, &s->channel_map, &i->channel_map);
+ pa_sw_cvolume_multiply(&i->volume, &i->volume, &i->reference_ratio);
/* The volume changed, let's tell people so */
if (!pa_cvolume_equal(&old_volume, &i->volume)) {
}
}
+/* Called from main thread. Only called for the root sink in volume sharing
+ * cases, except for internal recursive calls. The return value indicates
+ * whether any reference volume actually changed. */
+static bool update_reference_volume(pa_sink *s, const pa_cvolume *v, const pa_channel_map *channel_map, bool save) {
+ pa_cvolume volume;
+ bool reference_volume_changed;
+ pa_sink_input *i;
+ uint32_t idx;
+
+ pa_sink_assert_ref(s);
+ pa_assert(PA_SINK_IS_LINKED(s->state));
+ pa_assert(v);
+ pa_assert(channel_map);
+ pa_assert(pa_cvolume_valid(v));
+
+ volume = *v;
+ pa_cvolume_remap(&volume, channel_map, &s->channel_map);
+
+ reference_volume_changed = !pa_cvolume_equal(&volume, &s->reference_volume);
+ pa_sink_set_reference_volume_direct(s, &volume);
+
+ s->save_volume = (!reference_volume_changed && s->save_volume) || save;
+
+ if (!reference_volume_changed && !(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
+ /* If the root sink's volume doesn't change, then there can't be any
+ * changes in the other sinks in the sink tree either.
+ *
+ * It's probably theoretically possible that even if the root sink's
+ * volume changes slightly, some filter sink doesn't change its volume
+ * due to rounding errors. If that happens, we still want to propagate
+ * the changed root sink volume to the sinks connected to the
+ * intermediate sink that didn't change its volume. This theoretical
+ * possibility is the reason why we have that !(s->flags &
+ * PA_SINK_SHARE_VOLUME_WITH_MASTER) condition. Probably nobody would
+ * notice even if we returned here false always if
+ * reference_volume_changed is false. */
+ return false;
+
+ PA_IDXSET_FOREACH(i, s->inputs, idx) {
+ if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
+ update_reference_volume(i->origin_sink, v, channel_map, false);
+ }
+
+ return true;
+}
+
/* Called from main thread */
void pa_sink_set_volume(
pa_sink *s,
const pa_cvolume *volume,
- pa_bool_t send_msg,
- pa_bool_t save) {
+ bool send_msg,
+ bool save) {
- pa_cvolume old_reference_volume;
- pa_bool_t reference_changed;
+ pa_cvolume new_reference_volume;
+ pa_sink *root_sink;
pa_sink_assert_ref(s);
pa_assert_ctl_context();
pa_assert(PA_SINK_IS_LINKED(s->state));
pa_assert(!volume || pa_cvolume_valid(volume));
- pa_assert(volume || (s->flags & PA_SINK_FLAT_VOLUME));
+ pa_assert(volume || pa_sink_flat_volume_enabled(s));
pa_assert(!volume || volume->channels == 1 || pa_cvolume_compatible(volume, &s->sample_spec));
- /* make sure we don't change the volume when a PASSTHROUGH input is connected */
- if (s->flags & PA_SINK_PASSTHROUGH) {
- pa_sink_input *alt_i;
- uint32_t idx;
-
- /* one and only one PASSTHROUGH input can possibly be connected */
- if (pa_idxset_size(s->inputs) == 1) {
+ /* make sure we don't change the volume when a PASSTHROUGH input is connected ...
+ * ... *except* if we're being invoked to reset the volume to ensure 0 dB gain */
+ if (pa_sink_is_passthrough(s) && (!volume || !pa_cvolume_is_norm(volume))) {
+ pa_log_warn("Cannot change volume, Sink is connected to PASSTHROUGH input");
+ return;
+ }
- alt_i = pa_idxset_first(s->inputs, &idx);
+ /* In case of volume sharing, the volume is set for the root sink first,
+ * from which it's then propagated to the sharing sinks. */
+ root_sink = pa_sink_get_master(s);
- if (alt_i->flags & PA_SINK_INPUT_PASSTHROUGH) {
- /* FIXME: Need to notify client that volume control is disabled */
- pa_log_warn("Cannot change volume, Sink is connected to PASSTHROUGH input");
- return;
- }
- }
- }
+ if (PA_UNLIKELY(!root_sink))
+ return;
/* As a special exception we accept mono volumes on all sinks --
* even on those with more complex channel maps */
- /* If volume is NULL we synchronize the sink's real and reference
- * volumes with the stream volumes. If it is not NULL we update
- * the reference_volume with it. */
-
- old_reference_volume = s->reference_volume;
-
if (volume) {
-
if (pa_cvolume_compatible(volume, &s->sample_spec))
- s->reference_volume = *volume;
- else
- pa_cvolume_scale(&s->reference_volume, pa_cvolume_max(volume));
+ new_reference_volume = *volume;
+ else {
+ new_reference_volume = s->reference_volume;
+ pa_cvolume_scale(&new_reference_volume, pa_cvolume_max(volume));
+ }
- if (s->flags & PA_SINK_FLAT_VOLUME) {
- /* OK, propagate this volume change back to the inputs */
- propagate_reference_volume(s);
+ pa_cvolume_remap(&new_reference_volume, &s->channel_map, &root_sink->channel_map);
- /* And now recalculate the real volume */
- compute_real_volume(s);
- } else
- s->real_volume = s->reference_volume;
+ if (update_reference_volume(root_sink, &new_reference_volume, &root_sink->channel_map, save)) {
+ if (pa_sink_flat_volume_enabled(root_sink)) {
+ /* OK, propagate this volume change back to the inputs */
+ propagate_reference_volume(root_sink);
+
+ /* And now recalculate the real volume */
+ compute_real_volume(root_sink);
+ } else
+ update_real_volume(root_sink, &root_sink->reference_volume, &root_sink->channel_map);
+ }
} else {
- pa_assert(s->flags & PA_SINK_FLAT_VOLUME);
+ /* If volume is NULL we synchronize the sink's real and
+ * reference volumes with the stream volumes. */
+
+ pa_assert(pa_sink_flat_volume_enabled(root_sink));
/* Ok, let's determine the new real volume */
- compute_real_volume(s);
+ compute_real_volume(root_sink);
/* Let's 'push' the reference volume if necessary */
- pa_cvolume_merge(&s->reference_volume, &s->reference_volume, &s->real_volume);
+ pa_cvolume_merge(&new_reference_volume, &s->reference_volume, &root_sink->real_volume);
+ /* If the sink and its root don't have the same number of channels, we need to remap */
+ if (s != root_sink && !pa_channel_map_equal(&s->channel_map, &root_sink->channel_map))
+ pa_cvolume_remap(&new_reference_volume, &s->channel_map, &root_sink->channel_map);
+ update_reference_volume(root_sink, &new_reference_volume, &root_sink->channel_map, save);
- /* We need to fix the reference ratios of all streams now that
- * we changed the reference volume */
- compute_reference_ratios(s);
+ /* Now that the reference volume is updated, we can update the streams'
+ * reference ratios. */
+ compute_reference_ratios(root_sink);
}
- reference_changed = !pa_cvolume_equal(&old_reference_volume, &s->reference_volume);
- s->save_volume = (!reference_changed && s->save_volume) || save;
-
- if (s->set_volume) {
+ if (root_sink->set_volume) {
/* If we have a function set_volume(), then we do not apply a
* soft volume by default. However, set_volume() is free to
- * apply one to s->soft_volume */
+ * apply one to root_sink->soft_volume */
- pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
- if (!(s->flags & PA_SINK_SYNC_VOLUME))
- s->set_volume(s);
- else
- send_msg = TRUE;
+ pa_cvolume_reset(&root_sink->soft_volume, root_sink->sample_spec.channels);
+ if (!(root_sink->flags & PA_SINK_DEFERRED_VOLUME))
+ root_sink->set_volume(root_sink);
} else
/* If we have no function set_volume(), then the soft volume
- * becomes the virtual volume */
- s->soft_volume = s->real_volume;
+ * becomes the real volume */
+ root_sink->soft_volume = root_sink->real_volume;
- /* This tells the sink that soft and/or virtual volume changed */
+ /* This tells the sink that soft volume and/or real volume changed */
if (send_msg)
- pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME_SYNCED, NULL, 0, NULL) == 0);
-
- if (reference_changed)
- pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ pa_assert_se(pa_asyncmsgq_send(root_sink->asyncmsgq, PA_MSGOBJECT(root_sink), PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL) == 0);
}
/* Called from the io thread if sync volume is used, otherwise from the main thread.
* Only to be called by sink implementor */
void pa_sink_set_soft_volume(pa_sink *s, const pa_cvolume *volume) {
+
pa_sink_assert_ref(s);
- if (s->flags & PA_SINK_SYNC_VOLUME)
+ pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
+
+ if (s->flags & PA_SINK_DEFERRED_VOLUME)
pa_sink_assert_io_context(s);
else
pa_assert_ctl_context();
else
s->soft_volume = *volume;
- if (PA_SINK_IS_LINKED(s->state) && !(s->flags & PA_SINK_SYNC_VOLUME))
+ if (PA_SINK_IS_LINKED(s->state) && !(s->flags & PA_SINK_DEFERRED_VOLUME))
pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME, NULL, 0, NULL) == 0);
else
s->thread_info.soft_volume = s->soft_volume;
}
+/* Called from the main thread. Only called for the root sink in volume sharing
+ * cases, except for internal recursive calls. */
static void propagate_real_volume(pa_sink *s, const pa_cvolume *old_real_volume) {
pa_sink_input *i;
uint32_t idx;
- pa_cvolume old_reference_volume;
pa_sink_assert_ref(s);
+ pa_assert(old_real_volume);
pa_assert_ctl_context();
pa_assert(PA_SINK_IS_LINKED(s->state));
* reference volume and then rebuild the stream volumes based on
* i->real_ratio which should stay fixed. */
- if (old_real_volume && pa_cvolume_equal(old_real_volume, &s->real_volume))
- return;
-
- old_reference_volume = s->reference_volume;
+ if (!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
+ if (pa_cvolume_equal(old_real_volume, &s->real_volume))
+ return;
- /* 1. Make the real volume the reference volume */
- s->reference_volume = s->real_volume;
+ /* 1. Make the real volume the reference volume */
+ update_reference_volume(s, &s->real_volume, &s->channel_map, true);
+ }
- if (s->flags & PA_SINK_FLAT_VOLUME) {
+ if (pa_sink_flat_volume_enabled(s)) {
PA_IDXSET_FOREACH(i, s->inputs, idx) {
- pa_cvolume old_volume, remapped;
-
- old_volume = i->volume;
+ pa_cvolume old_volume = i->volume;
/* 2. Since the sink's reference and real volumes are equal
* now our ratios should be too. */
* i->volume = s->reference_volume * i->reference_ratio
*
* This is identical to propagate_reference_volume() */
- remapped = s->reference_volume;
- pa_cvolume_remap(&remapped, &s->channel_map, &i->channel_map);
- pa_sw_cvolume_multiply(&i->volume, &remapped, &i->reference_ratio);
+ i->volume = s->reference_volume;
+ pa_cvolume_remap(&i->volume, &s->channel_map, &i->channel_map);
+ pa_sw_cvolume_multiply(&i->volume, &i->volume, &i->reference_ratio);
/* Notify if something changed */
if (!pa_cvolume_equal(&old_volume, &i->volume)) {
pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
}
+
+ if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
+ propagate_real_volume(i->origin_sink, old_real_volume);
}
}
/* Something got changed in the hardware. It probably makes sense
* to save changed hw settings given that hw volume changes not
* triggered by PA are almost certainly done by the user. */
- s->save_volume = TRUE;
-
- if (!pa_cvolume_equal(&old_reference_volume, &s->reference_volume))
- pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ if (!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
+ s->save_volume = true;
}
/* Called from io thread */
}
/* Called from main thread */
-const pa_cvolume *pa_sink_get_volume(pa_sink *s, pa_bool_t force_refresh) {
+const pa_cvolume *pa_sink_get_volume(pa_sink *s, bool force_refresh) {
pa_sink_assert_ref(s);
pa_assert_ctl_context();
pa_assert(PA_SINK_IS_LINKED(s->state));
if (s->refresh_volume || force_refresh) {
struct pa_cvolume old_real_volume;
+ pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
+
old_real_volume = s->real_volume;
- if (!(s->flags & PA_SINK_SYNC_VOLUME) && s->get_volume)
+ if (!(s->flags & PA_SINK_DEFERRED_VOLUME) && s->get_volume)
s->get_volume(s);
pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_VOLUME, NULL, 0, NULL) == 0);
+ update_real_volume(s, &s->real_volume, &s->channel_map);
propagate_real_volume(s, &old_real_volume);
}
return &s->reference_volume;
}
-/* Called from main thread */
+/* Called from main thread. In volume sharing cases, only the root sink may
+ * call this. */
void pa_sink_volume_changed(pa_sink *s, const pa_cvolume *new_real_volume) {
pa_cvolume old_real_volume;
pa_sink_assert_ref(s);
pa_assert_ctl_context();
pa_assert(PA_SINK_IS_LINKED(s->state));
+ pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
/* The sink implementor may call this if the volume changed to make sure everyone is notified */
old_real_volume = s->real_volume;
- s->real_volume = *new_real_volume;
-
+ update_real_volume(s, new_real_volume, &s->channel_map);
propagate_real_volume(s, &old_real_volume);
}
/* Called from main thread */
-void pa_sink_set_mute(pa_sink *s, pa_bool_t mute, pa_bool_t save) {
- pa_bool_t old_muted;
+void pa_sink_set_mute(pa_sink *s, bool mute, bool save) {
+ bool old_muted;
pa_sink_assert_ref(s);
pa_assert_ctl_context();
s->muted = mute;
s->save_muted = (old_muted == s->muted && s->save_muted) || save;
- if (!(s->flags & PA_SINK_SYNC_VOLUME) && s->set_mute)
+ if (!(s->flags & PA_SINK_DEFERRED_VOLUME) && s->set_mute)
s->set_mute(s);
pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MUTE, NULL, 0, NULL) == 0);
}
/* Called from main thread */
-pa_bool_t pa_sink_get_mute(pa_sink *s, pa_bool_t force_refresh) {
+bool pa_sink_get_mute(pa_sink *s, bool force_refresh) {
pa_sink_assert_ref(s);
pa_assert_ctl_context();
pa_assert(PA_SINK_IS_LINKED(s->state));
if (s->refresh_muted || force_refresh) {
- pa_bool_t old_muted = s->muted;
+ bool old_muted = s->muted;
- if (!(s->flags & PA_SINK_SYNC_VOLUME) && s->get_mute)
+ if (!(s->flags & PA_SINK_DEFERRED_VOLUME) && s->get_mute)
s->get_mute(s);
pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MUTE, NULL, 0, NULL) == 0);
if (old_muted != s->muted) {
- s->save_muted = TRUE;
+ s->save_muted = true;
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
/* Called from main thread */
-void pa_sink_mute_changed(pa_sink *s, pa_bool_t new_muted) {
+void pa_sink_mute_changed(pa_sink *s, bool new_muted) {
pa_sink_assert_ref(s);
pa_assert_ctl_context();
pa_assert(PA_SINK_IS_LINKED(s->state));
return;
s->muted = new_muted;
- s->save_muted = TRUE;
+ s->save_muted = true;
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
/* Called from main thread */
-pa_bool_t pa_sink_update_proplist(pa_sink *s, pa_update_mode_t mode, pa_proplist *p) {
+bool pa_sink_update_proplist(pa_sink *s, pa_update_mode_t mode, pa_proplist *p) {
pa_sink_assert_ref(s);
pa_assert_ctl_context();
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
- return TRUE;
+ return true;
}
/* Called from main thread */
ret = pa_idxset_size(s->inputs);
/* We add in the number of streams connected to us here. Please
- * note the asymmmetry to pa_sink_used_by()! */
+ * note the asymmetry to pa_sink_used_by()! */
if (s->monitor_source)
ret += pa_source_linked_by(s->monitor_source);
/* We do not assert here. It is perfectly valid for a sink input to
* be in the INIT state (i.e. created, marked done but not yet put)
* and we should not care if it's unlinked as it won't contribute
- * towarards our busy status.
+ * towards our busy status.
*/
if (!PA_SINK_INPUT_IS_LINKED(st))
continue;
pa_sink_assert_io_context(s);
PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
- if (pa_atomic_load(&i->before_ramping_v))
- i->thread_info.future_soft_volume = i->soft_volume;
-
if (pa_cvolume_equal(&i->thread_info.soft_volume, &i->soft_volume))
continue;
- if (!pa_atomic_load(&i->before_ramping_v))
- i->thread_info.soft_volume = i->soft_volume;
- pa_sink_input_request_rewind(i, 0, TRUE, FALSE, FALSE);
+ i->thread_info.soft_volume = i->soft_volume;
+ pa_sink_input_request_rewind(i, 0, true, false, false);
+ }
+}
+
+/* Called from the IO thread. Only called for the root sink in volume sharing
+ * cases, except for internal recursive calls. */
+static void set_shared_volume_within_thread(pa_sink *s) {
+ pa_sink_input *i = NULL;
+ void *state = NULL;
+
+ pa_sink_assert_ref(s);
+
+ PA_MSGOBJECT(s)->process_msg(PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME_SYNCED, NULL, 0, NULL);
+
+ PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
+ if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
+ set_shared_volume_within_thread(i->origin_sink);
}
}
}
pa_assert(!i->thread_info.attached);
- i->thread_info.attached = TRUE;
+ i->thread_info.attached = true;
if (i->attach)
i->attach(i);
pa_sink_input_set_state_within_thread(i, i->state);
- /* The requested latency of the sink input needs to be
- * fixed up and then configured on the sink */
+ /* The requested latency of the sink input needs to be fixed up and
+ * then configured on the sink. If this causes the sink latency to
+ * go down, the sink implementor is responsible for doing a rewind
+ * in the update_requested_latency() callback to ensure that the
+ * sink buffer doesn't contain more data than what the new latency
+ * allows.
+ *
+ * XXX: Does it really make sense to push this responsibility to
+ * the sink implementors? Wouldn't it be better to do it once in
+ * the core than many times in the modules? */
if (i->thread_info.requested_sink_latency != (pa_usec_t) -1)
pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
/* We don't rewind here automatically. This is left to the
* sink input implementor because some sink inputs need a
* slow start, i.e. need some time to buffer client
- * samples before beginning streaming. */
+ * samples before beginning streaming.
+ *
+ * XXX: Does it really make sense to push this functionality to
+ * the sink implementors? Wouldn't it be better to do it once in
+ * the core than many times in the modules? */
/* In flat volume mode we need to update the volume as
* well */
- return o->process_msg(o, PA_SINK_MESSAGE_SET_VOLUME_SYNCED, NULL, 0, NULL);
+ return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
}
case PA_SINK_MESSAGE_REMOVE_INPUT: {
/* If you change anything here, make sure to change the
* sink input handling a few lines down at
- * PA_SINK_MESSAGE_PREPAPRE_MOVE, too. */
+ * PA_SINK_MESSAGE_START_MOVE, too. */
if (i->detach)
i->detach(i);
pa_sink_input_set_state_within_thread(i, i->state);
pa_assert(i->thread_info.attached);
- i->thread_info.attached = FALSE;
+ i->thread_info.attached = false;
/* Since the caller sleeps in pa_sink_input_unlink(),
* we can safely access data outside of thread_info even
i->thread_info.sync_next = NULL;
}
- if (pa_hashmap_remove(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index)))
- pa_sink_input_unref(i);
-
- pa_sink_invalidate_requested_latency(s, TRUE);
+ pa_hashmap_remove_and_free(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index));
+ pa_sink_invalidate_requested_latency(s, true);
pa_sink_request_rewind(s, (size_t) -1);
/* In flat volume mode we need to update the volume as
* well */
- return o->process_msg(o, PA_SINK_MESSAGE_SET_VOLUME_SYNCED, NULL, 0, NULL);
+ return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
}
case PA_SINK_MESSAGE_START_MOVE: {
pa_usec_t usec = 0;
size_t sink_nbytes, total_nbytes;
+ /* The old sink probably has some audio from this
+ * stream in its buffer. We want to "take it back" as
+ * much as possible and play it to the new sink. We
+ * don't know at this point how much the old sink can
+ * rewind. We have to pick something, and that
+ * something is the full latency of the old sink here.
+ * So we rewind the stream buffer by the sink latency
+ * amount, which may be more than what we should
+ * rewind. This can result in a chunk of audio being
+ * played both to the old sink and the new sink.
+ *
+ * FIXME: Fix this code so that we don't have to make
+ * guesses about how much the sink will actually be
+ * able to rewind. If someone comes up with a solution
+ * for this, something to note is that the part of the
+ * latency that the old sink couldn't rewind should
+ * ideally be compensated after the stream has moved
+ * to the new sink by adding silence. The new sink
+ * most likely can't start playing the moved stream
+ * immediately, and that gap should be removed from
+ * the "compensation silence" (at least at the time of
+ * writing this, the move finish code will actually
+ * already take care of dropping the new sink's
+ * unrewindable latency, so taking into account the
+ * unrewindable latency of the old sink is the only
+ * problem).
+ *
+ * The render_memblockq contents are discarded,
+ * because when the sink changes, the format of the
+ * audio stored in the render_memblockq may change
+ * too, making the stored audio invalid. FIXME:
+ * However, the read and write indices are moved back
+ * the same amount, so if they are not the same now,
+ * they won't be the same after the rewind either. If
+ * the write index of the render_memblockq is ahead of
+ * the read index, then the render_memblockq will feed
+ * the new sink some silence first, which it shouldn't
+ * do. The write index should be flushed to be the
+ * same as the read index. */
+
/* Get the latency of the sink */
usec = pa_sink_get_latency_within_thread(s);
sink_nbytes = pa_usec_to_bytes(usec, &s->sample_spec);
if (total_nbytes > 0) {
i->thread_info.rewrite_nbytes = i->thread_info.resampler ? pa_resampler_request(i->thread_info.resampler, total_nbytes) : total_nbytes;
- i->thread_info.rewrite_flush = TRUE;
+ i->thread_info.rewrite_flush = true;
pa_sink_input_process_rewind(i, sink_nbytes);
}
}
i->detach(i);
pa_assert(i->thread_info.attached);
- i->thread_info.attached = FALSE;
+ i->thread_info.attached = false;
/* Let's remove the sink input ...*/
- if (pa_hashmap_remove(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index)))
- pa_sink_input_unref(i);
+ pa_hashmap_remove_and_free(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index));
- pa_sink_invalidate_requested_latency(s, TRUE);
+ pa_sink_invalidate_requested_latency(s, true);
pa_log_debug("Requesting rewind due to started move");
pa_sink_request_rewind(s, (size_t) -1);
/* In flat volume mode we need to update the volume as
* well */
- return o->process_msg(o, PA_SINK_MESSAGE_SET_VOLUME_SYNCED, NULL, 0, NULL);
+ return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
}
case PA_SINK_MESSAGE_FINISH_MOVE: {
pa_hashmap_put(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index), pa_sink_input_ref(i));
pa_assert(!i->thread_info.attached);
- i->thread_info.attached = TRUE;
+ i->thread_info.attached = true;
if (i->attach)
i->attach(i);
- if (i->thread_info.requested_sink_latency != (pa_usec_t) -1)
- pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
-
- pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
- pa_sink_input_update_max_request(i, s->thread_info.max_request);
-
if (i->thread_info.state != PA_SINK_INPUT_CORKED) {
pa_usec_t usec = 0;
size_t nbytes;
+ /* In the ideal case the new sink would start playing
+ * the stream immediately. That requires the sink to
+ * be able to rewind all of its latency, which usually
+ * isn't possible, so there will probably be some gap
+ * before the moved stream becomes audible. We then
+ * have two possibilities: 1) start playing the stream
+ * from where it is now, or 2) drop the unrewindable
+ * latency of the sink from the stream. With option 1
+ * we won't lose any audio but the stream will have a
+ * pause. With option 2 we may lose some audio but the
+ * stream time will be somewhat in sync with the wall
+ * clock. Lennart seems to have chosen option 2 (one
+ * of the reasons might have been that option 1 is
+ * actually much harder to implement), so we drop the
+ * latency of the new sink from the moved stream and
+ * hope that the sink will undo most of that in the
+ * rewind. */
+
/* Get the latency of the sink */
usec = pa_sink_get_latency_within_thread(s);
nbytes = pa_usec_to_bytes(usec, &s->sample_spec);
pa_sink_request_rewind(s, nbytes);
}
- /* In flat volume mode we need to update the volume as
- * well */
- return o->process_msg(o, PA_SINK_MESSAGE_SET_VOLUME_SYNCED, NULL, 0, NULL);
+ /* Updating the requested sink latency has to be done
+ * after the sink rewind request, not before, because
+ * otherwise the sink may limit the rewind amount
+ * needlessly. */
+
+ if (i->thread_info.requested_sink_latency != (pa_usec_t) -1)
+ pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
+
+ pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
+ pa_sink_input_update_max_request(i, s->thread_info.max_request);
+
+ return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
+ }
+
+ case PA_SINK_MESSAGE_SET_SHARED_VOLUME: {
+ pa_sink *root_sink = pa_sink_get_master(s);
+
+ if (PA_LIKELY(root_sink))
+ set_shared_volume_within_thread(root_sink);
+
+ return 0;
}
case PA_SINK_MESSAGE_SET_VOLUME_SYNCED:
- if (s->flags & PA_SINK_SYNC_VOLUME) {
+ if (s->flags & PA_SINK_DEFERRED_VOLUME) {
s->set_volume(s);
pa_sink_volume_change_push(s);
}
pa_sink_request_rewind(s, (size_t) -1);
}
- if (!(s->flags & PA_SINK_FLAT_VOLUME))
- return 0;
-
/* Fall through ... */
case PA_SINK_MESSAGE_SYNC_VOLUMES:
case PA_SINK_MESSAGE_GET_VOLUME:
- if ((s->flags & PA_SINK_SYNC_VOLUME) && s->get_volume) {
+ if ((s->flags & PA_SINK_DEFERRED_VOLUME) && s->get_volume) {
s->get_volume(s);
pa_sink_volume_change_flush(s);
pa_sw_cvolume_divide(&s->thread_info.current_hw_volume, &s->real_volume, &s->soft_volume);
pa_sink_request_rewind(s, (size_t) -1);
}
- if (s->flags & PA_SINK_SYNC_VOLUME && s->set_mute)
+ if (s->flags & PA_SINK_DEFERRED_VOLUME && s->set_mute)
s->set_mute(s);
return 0;
case PA_SINK_MESSAGE_GET_MUTE:
- if (s->flags & PA_SINK_SYNC_VOLUME && s->get_mute)
+ if (s->flags & PA_SINK_DEFERRED_VOLUME && s->get_mute)
s->get_mute(s);
return 0;
case PA_SINK_MESSAGE_SET_STATE: {
- pa_bool_t suspend_change =
+ bool suspend_change =
(s->thread_info.state == PA_SINK_SUSPENDED && PA_SINK_IS_OPENED(PA_PTR_TO_UINT(userdata))) ||
(PA_SINK_IS_OPENED(s->thread_info.state) && PA_PTR_TO_UINT(userdata) == PA_SINK_SUSPENDED);
if (s->thread_info.state == PA_SINK_SUSPENDED) {
s->thread_info.rewind_nbytes = 0;
- s->thread_info.rewind_requested = FALSE;
+ s->thread_info.rewind_requested = false;
}
if (suspend_change) {
return 0;
}
- case PA_SINK_MESSAGE_DETACH:
-
- /* Detach all streams */
- pa_sink_detach_within_thread(s);
- return 0;
-
- case PA_SINK_MESSAGE_ATTACH:
-
- /* Reattach all streams */
- pa_sink_attach_within_thread(s);
- return 0;
-
case PA_SINK_MESSAGE_GET_REQUESTED_LATENCY: {
pa_usec_t *usec = userdata;
/* This message is sent from IO-thread and handled in main thread. */
pa_assert_ctl_context();
- pa_sink_get_volume(s, TRUE);
- pa_sink_get_mute(s, TRUE);
+ /* Make sure we're not messing with main thread when no longer linked */
+ if (!PA_SINK_IS_LINKED(s->state))
+ return 0;
+
+ pa_sink_get_volume(s, true);
+ pa_sink_get_mute(s, true);
+ return 0;
+
+ case PA_SINK_MESSAGE_SET_LATENCY_OFFSET:
+ s->thread_info.latency_offset = offset;
return 0;
case PA_SINK_MESSAGE_GET_LATENCY:
}
/* Called from main thread */
-int pa_sink_suspend_all(pa_core *c, pa_bool_t suspend, pa_suspend_cause_t cause) {
+int pa_sink_suspend_all(pa_core *c, bool suspend, pa_suspend_cause_t cause) {
pa_sink *sink;
uint32_t idx;
int ret = 0;
return ret;
}
-/* Called from main thread */
-void pa_sink_detach(pa_sink *s) {
- pa_sink_assert_ref(s);
- pa_assert_ctl_context();
- pa_assert(PA_SINK_IS_LINKED(s->state));
-
- pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_DETACH, NULL, 0, NULL) == 0);
-}
-
-/* Called from main thread */
-void pa_sink_attach(pa_sink *s) {
- pa_sink_assert_ref(s);
- pa_assert_ctl_context();
- pa_assert(PA_SINK_IS_LINKED(s->state));
-
- pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_ATTACH, NULL, 0, NULL) == 0);
-}
-
/* Called from IO thread */
void pa_sink_detach_within_thread(pa_sink *s) {
pa_sink_input *i;
pa_sink_assert_io_context(s);
pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
- if (s->thread_info.state == PA_SINK_SUSPENDED)
- return;
-
if (nbytes == (size_t) -1)
nbytes = s->thread_info.max_rewind;
return;
s->thread_info.rewind_nbytes = nbytes;
- s->thread_info.rewind_requested = TRUE;
+ s->thread_info.rewind_requested = true;
if (s->request_rewind)
s->request_rewind(s);
if (PA_SINK_IS_LINKED(s->thread_info.state)) {
/* Only cache if properly initialized */
s->thread_info.requested_latency = result;
- s->thread_info.requested_latency_valid = TRUE;
+ s->thread_info.requested_latency_valid = true;
}
return result;
return 0;
pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
+
return usec;
}
}
/* Called from IO thread */
-void pa_sink_invalidate_requested_latency(pa_sink *s, pa_bool_t dynamic) {
+void pa_sink_invalidate_requested_latency(pa_sink *s, bool dynamic) {
pa_sink_input *i;
void *state = NULL;
pa_sink_assert_io_context(s);
if ((s->flags & PA_SINK_DYNAMIC_LATENCY))
- s->thread_info.requested_latency_valid = FALSE;
+ s->thread_info.requested_latency_valid = false;
else if (dynamic)
return;
/* Called from main thread */
void pa_sink_get_latency_range(pa_sink *s, pa_usec_t *min_latency, pa_usec_t *max_latency) {
- pa_sink_assert_ref(s);
- pa_assert_ctl_context();
- pa_assert(min_latency);
- pa_assert(max_latency);
+ pa_sink_assert_ref(s);
+ pa_assert_ctl_context();
+ pa_assert(min_latency);
+ pa_assert(max_latency);
- if (PA_SINK_IS_LINKED(s->state)) {
- pa_usec_t r[2] = { 0, 0 };
+ if (PA_SINK_IS_LINKED(s->state)) {
+ pa_usec_t r[2] = { 0, 0 };
- pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY_RANGE, r, 0, NULL) == 0);
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_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;
- }
+ *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 */
i->update_sink_latency_range(i);
}
- pa_sink_invalidate_requested_latency(s, FALSE);
+ pa_sink_invalidate_requested_latency(s, false);
pa_source_set_latency_range_within_thread(s->monitor_source, min_latency, max_latency);
}
if (s->flags & PA_SINK_DYNAMIC_LATENCY) {
pa_assert(latency == 0);
+ s->thread_info.fixed_latency = 0;
+
+ if (s->monitor_source)
+ pa_source_set_fixed_latency_within_thread(s->monitor_source, 0);
+
return;
}
i->update_sink_fixed_latency(i);
}
- pa_sink_invalidate_requested_latency(s, FALSE);
+ pa_sink_invalidate_requested_latency(s, false);
pa_source_set_fixed_latency_within_thread(s->monitor_source, latency);
}
+/* Called from main context */
+void pa_sink_set_latency_offset(pa_sink *s, int64_t offset) {
+ pa_sink_assert_ref(s);
+
+ s->latency_offset = offset;
+
+ if (PA_SINK_IS_LINKED(s->state))
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_LATENCY_OFFSET, NULL, offset, NULL) == 0);
+ else
+ s->thread_info.latency_offset = offset;
+}
+
/* Called from main context */
size_t pa_sink_get_max_rewind(pa_sink *s) {
size_t r;
- pa_sink_assert_ref(s);
pa_assert_ctl_context();
+ pa_sink_assert_ref(s);
if (!PA_SINK_IS_LINKED(s->state))
return s->thread_info.max_rewind;
}
/* Called from main context */
-int pa_sink_set_port(pa_sink *s, const char *name, pa_bool_t save) {
+int pa_sink_set_port(pa_sink *s, const char *name, bool save) {
pa_device_port *port;
int ret;
+
pa_sink_assert_ref(s);
pa_assert_ctl_context();
return -PA_ERR_NOTIMPLEMENTED;
}
- if (!s->ports)
+ if (!name)
return -PA_ERR_NOENTITY;
if (!(port = pa_hashmap_get(s->ports, name)))
return 0;
}
- if (s->flags & PA_SINK_SYNC_VOLUME) {
+ if (s->flags & PA_SINK_DEFERRED_VOLUME) {
struct sink_message_set_port msg = { .port = port, .ret = 0 };
pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_PORT, &msg, 0, NULL) == 0);
ret = msg.ret;
s->active_port = port;
s->save_port = save;
+ pa_sink_set_latency_offset(s, s->active_port->latency_offset);
+
+ pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PORT_CHANGED], s);
+
return 0;
}
-pa_bool_t pa_device_init_icon(pa_proplist *p, pa_bool_t is_sink) {
+bool pa_device_init_icon(pa_proplist *p, bool is_sink) {
const char *ff, *c, *t = NULL, *s = "", *profile, *bus;
pa_assert(p);
if (pa_proplist_contains(p, PA_PROP_DEVICE_ICON_NAME))
- return TRUE;
+ return true;
if ((ff = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR))) {
pa_proplist_setf(p, PA_PROP_DEVICE_ICON_NAME, "%s%s%s%s", t, pa_strempty(s), bus ? "-" : "", pa_strempty(bus));
- return TRUE;
+ return true;
}
-pa_bool_t pa_device_init_description(pa_proplist *p) {
+bool pa_device_init_description(pa_proplist *p, pa_card *card) {
const char *s, *d = NULL, *k;
pa_assert(p);
if (pa_proplist_contains(p, PA_PROP_DEVICE_DESCRIPTION))
- return TRUE;
+ return true;
- if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR)))
- if (pa_streq(s, "internal"))
- d = _("Internal Audio");
+ if (card)
+ if ((s = pa_proplist_gets(card->proplist, PA_PROP_DEVICE_DESCRIPTION)))
+ d = s;
+
+ if (!d)
+ if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR)))
+ if (pa_streq(s, "internal"))
+ d = _("Built-in Audio");
if (!d)
if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_CLASS)))
d = pa_proplist_gets(p, PA_PROP_DEVICE_PRODUCT_NAME);
if (!d)
- return FALSE;
+ return false;
k = pa_proplist_gets(p, PA_PROP_DEVICE_PROFILE_DESCRIPTION);
if (d && k)
- pa_proplist_setf(p, PA_PROP_DEVICE_DESCRIPTION, _("%s %s"), d, k);
+ pa_proplist_setf(p, PA_PROP_DEVICE_DESCRIPTION, "%s %s", d, k);
else if (d)
pa_proplist_sets(p, PA_PROP_DEVICE_DESCRIPTION, d);
- return TRUE;
+ return true;
}
-pa_bool_t pa_device_init_intended_roles(pa_proplist *p) {
+bool pa_device_init_intended_roles(pa_proplist *p) {
const char *s;
pa_assert(p);
if (pa_proplist_contains(p, PA_PROP_DEVICE_INTENDED_ROLES))
- return TRUE;
+ return true;
if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR)))
if (pa_streq(s, "handset") || pa_streq(s, "hands-free")
|| pa_streq(s, "headset")) {
pa_proplist_sets(p, PA_PROP_DEVICE_INTENDED_ROLES, "phone");
- return TRUE;
+ return true;
}
- return FALSE;
+ return false;
}
unsigned pa_device_init_priority(pa_proplist *p) {
PA_LLIST_INSERT_AFTER(pa_sink_volume_change, s->thread_info.volume_changes, c, nc);
}
- pa_log_debug("Volume going %s to %d at %llu", direction, pa_cvolume_avg(&nc->hw_volume), nc->at);
+ pa_log_debug("Volume going %s to %d at %llu", direction, pa_cvolume_avg(&nc->hw_volume), (long long unsigned) nc->at);
/* We can ignore volume events that came earlier but should happen later than this. */
PA_LLIST_FOREACH(c, nc->next) {
- pa_log_debug("Volume change to %d at %llu was dropped", pa_cvolume_avg(&c->hw_volume), c->at);
+ pa_log_debug("Volume change to %d at %llu was dropped", pa_cvolume_avg(&c->hw_volume), (long long unsigned) c->at);
pa_sink_volume_change_free(c);
}
nc->next = NULL;
}
/* Called from the IO thread. */
-pa_bool_t pa_sink_volume_change_apply(pa_sink *s, pa_usec_t *usec_to_next) {
- pa_usec_t now = pa_rtclock_now();
- pa_bool_t ret = FALSE;
+bool pa_sink_volume_change_apply(pa_sink *s, pa_usec_t *usec_to_next) {
+ pa_usec_t now;
+ bool ret = false;
pa_assert(s);
+
+ if (!s->thread_info.volume_changes || !PA_SINK_IS_LINKED(s->state)) {
+ if (usec_to_next)
+ *usec_to_next = 0;
+ return ret;
+ }
+
pa_assert(s->write_volume);
+ now = pa_rtclock_now();
+
while (s->thread_info.volume_changes && now >= s->thread_info.volume_changes->at) {
pa_sink_volume_change *c = s->thread_info.volume_changes;
PA_LLIST_REMOVE(pa_sink_volume_change, s->thread_info.volume_changes, c);
- pa_log_debug("Volume change to %d at %llu was written %llu usec late", pa_cvolume_avg(&c->hw_volume), c->at, now - c->at);
- ret = TRUE;
+ pa_log_debug("Volume change to %d at %llu was written %llu usec late",
+ pa_cvolume_avg(&c->hw_volume), (long long unsigned) c->at, (long long unsigned) (now - c->at));
+ ret = true;
s->thread_info.current_hw_volume = c->hw_volume;
pa_sink_volume_change_free(c);
}
- if (s->write_volume && ret)
+ if (ret)
s->write_volume(s);
if (s->thread_info.volume_changes) {
if (usec_to_next)
*usec_to_next = s->thread_info.volume_changes->at - now;
if (pa_log_ratelimit(PA_LOG_DEBUG))
- pa_log_debug("Next volume change in %lld usec", s->thread_info.volume_changes->at - now);
+ pa_log_debug("Next volume change in %lld usec", (long long) (s->thread_info.volume_changes->at - now));
}
else {
if (usec_to_next)
pa_usec_t rewound = pa_bytes_to_usec(nbytes, &s->sample_spec);
pa_usec_t limit = pa_sink_get_latency_within_thread(s);
- pa_log_debug("latency = %lld", limit);
+ pa_log_debug("latency = %lld", (long long) limit);
limit += pa_rtclock_now() + s->thread_info.volume_change_extra_delay;
PA_LLIST_FOREACH(c, s->thread_info.volume_changes) {
}
pa_sink_volume_change_apply(s, NULL);
}
+
+/* Called from the main thread */
+/* Gets the list of formats supported by the sink. The members and idxset must
+ * be freed by the caller. */
+pa_idxset* pa_sink_get_formats(pa_sink *s) {
+ pa_idxset *ret;
+
+ pa_assert(s);
+
+ if (s->get_formats) {
+ /* Sink supports format query, all is good */
+ ret = s->get_formats(s);
+ } else {
+ /* Sink doesn't support format query, so assume it does PCM */
+ pa_format_info *f = pa_format_info_new();
+ f->encoding = PA_ENCODING_PCM;
+
+ ret = pa_idxset_new(NULL, NULL);
+ pa_idxset_put(ret, f, NULL);
+ }
+
+ return ret;
+}
+
+/* Called from the main thread */
+/* Allows an external source to set what formats a sink supports if the sink
+ * permits this. The function makes a copy of the formats on success. */
+bool pa_sink_set_formats(pa_sink *s, pa_idxset *formats) {
+ pa_assert(s);
+ pa_assert(formats);
+
+ if (s->set_formats)
+ /* Sink supports setting formats -- let's give it a shot */
+ return s->set_formats(s, formats);
+ else
+ /* Sink doesn't support setting this -- bail out */
+ return false;
+}
+
+/* Called from the main thread */
+/* Checks if the sink can accept this format */
+bool pa_sink_check_format(pa_sink *s, pa_format_info *f) {
+ pa_idxset *formats = NULL;
+ bool ret = false;
+
+ pa_assert(s);
+ pa_assert(f);
+
+ formats = pa_sink_get_formats(s);
+
+ if (formats) {
+ pa_format_info *finfo_device;
+ uint32_t i;
+
+ PA_IDXSET_FOREACH(finfo_device, formats, i) {
+ if (pa_format_info_is_compatible(finfo_device, f)) {
+ ret = true;
+ break;
+ }
+ }
+
+ pa_idxset_free(formats, (pa_free_cb_t) pa_format_info_free);
+ }
+
+ return ret;
+}
+
+/* Called from the main thread */
+/* Calculates the intersection between formats supported by the sink and
+ * in_formats, and returns these, in the order of the sink's formats. */
+pa_idxset* pa_sink_check_formats(pa_sink *s, pa_idxset *in_formats) {
+ pa_idxset *out_formats = pa_idxset_new(NULL, NULL), *sink_formats = NULL;
+ pa_format_info *f_sink, *f_in;
+ uint32_t i, j;
+
+ pa_assert(s);
+
+ if (!in_formats || pa_idxset_isempty(in_formats))
+ goto done;
+
+ sink_formats = pa_sink_get_formats(s);
+
+ PA_IDXSET_FOREACH(f_sink, sink_formats, i) {
+ PA_IDXSET_FOREACH(f_in, in_formats, j) {
+ if (pa_format_info_is_compatible(f_sink, f_in))
+ pa_idxset_put(out_formats, pa_format_info_copy(f_in), NULL);
+ }
+ }
+
+done:
+ if (sink_formats)
+ pa_idxset_free(sink_formats, (pa_free_cb_t) pa_format_info_free);
+
+ return out_formats;
+}
+
+/* Called from the main thread. */
+void pa_sink_set_reference_volume_direct(pa_sink *s, const pa_cvolume *volume) {
+ pa_cvolume old_volume;
+ char old_volume_str[PA_CVOLUME_SNPRINT_VERBOSE_MAX];
+ char new_volume_str[PA_CVOLUME_SNPRINT_VERBOSE_MAX];
+
+ pa_assert(s);
+ pa_assert(volume);
+
+ old_volume = s->reference_volume;
+
+ if (pa_cvolume_equal(volume, &old_volume))
+ return;
+
+ s->reference_volume = *volume;
+ pa_log_debug("The reference volume of sink %s changed from %s to %s.", s->name,
+ pa_cvolume_snprint_verbose(old_volume_str, sizeof(old_volume_str), &old_volume, &s->channel_map,
+ s->flags & PA_SINK_DECIBEL_VOLUME),
+ pa_cvolume_snprint_verbose(new_volume_str, sizeof(new_volume_str), volume, &s->channel_map,
+ s->flags & PA_SINK_DECIBEL_VOLUME));
+
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+}