#include <stdio.h>
#include <stdlib.h>
-#include <string.h>
+#include <pulse/format.h>
#include <pulse/utf8.h>
#include <pulse/xmalloc.h>
#include <pulse/timeval.h>
#include <pulse/util.h>
+#include <pulse/rtclock.h>
+#include <pulse/internal.h>
#include <pulsecore/core-util.h>
#include <pulsecore/source-output.h>
#include <pulsecore/namereg.h>
#include <pulsecore/core-subscribe.h>
#include <pulsecore/log.h>
-#include <pulsecore/sample-util.h>
+#include <pulsecore/mix.h>
+#include <pulsecore/flist.h>
#include "source.h"
#define ABSOLUTE_MAX_LATENCY (10*PA_USEC_PER_SEC)
#define DEFAULT_FIXED_LATENCY (250*PA_USEC_PER_MSEC)
-static PA_DEFINE_CHECK_TYPE(pa_source, pa_msgobject);
+PA_DEFINE_PUBLIC_CLASS(pa_source, pa_msgobject);
+
+struct pa_source_volume_change {
+ pa_usec_t at;
+ pa_cvolume hw_volume;
+
+ PA_LLIST_FIELDS(pa_source_volume_change);
+};
+
+struct source_message_set_port {
+ pa_device_port *port;
+ int ret;
+};
static void source_free(pa_object *o);
+static void pa_source_volume_change_push(pa_source *s);
+static void pa_source_volume_change_flush(pa_source *s);
+
pa_source_new_data* pa_source_new_data_init(pa_source_new_data *data) {
pa_assert(data);
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_source_new_data_set_alternate_sample_rate(pa_source_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_source_new_data_set_volume(pa_source_new_data *data, const pa_cvolume *volume) {
pa_assert(data);
data->volume = *volume;
}
-void pa_source_new_data_set_muted(pa_source_new_data *data, pa_bool_t mute) {
+void pa_source_new_data_set_muted(pa_source_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);
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->update_requested_latency = NULL;
s->set_port = NULL;
+ s->get_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 source volume is allowed to be set, like there is for source outputs. */
+ pa_assert(!data->volume_is_set || !(flags & PA_SOURCE_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(data->volume.channels == data->sample_spec.channels);
+ 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, FALSE);
+ pa_device_init_description(data->proplist, data->card);
+ pa_device_init_icon(data->proplist, false);
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_source_new_data_set_port(data, p->name);
+ }
+
if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_FIXATE], data) < 0) {
pa_xfree(s);
pa_namereg_unregister(core, name);
s->core = core;
s->state = PA_SOURCE_INIT;
s->flags = flags;
- s->suspend_cause = 0;
+ s->priority = 0;
+ s->suspend_cause = data->suspend_cause;
+ pa_source_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->module = data->module;
s->card = data->card;
+ s->priority = pa_device_init_priority(s->proplist);
+
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->outputs = pa_idxset_new(NULL, NULL);
s->n_corked = 0;
s->monitor_of = NULL;
+ s->output_from_master = NULL;
- s->virtual_volume = data->volume;
+ s->reference_volume = s->real_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->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.outputs = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
+ s->thread_info.outputs = pa_hashmap_new_full(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func, NULL,
+ (pa_free_cb_t) pa_source_output_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.max_rewind = 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;
s->thread_info.fixed_latency = flags & PA_SOURCE_DYNAMIC_LATENCY ? 0 : DEFAULT_FIXED_LATENCY;
+ PA_LLIST_HEAD_INIT(pa_source_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->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_source_put() */
pa_assert_se(pa_idxset_put(core->sources, s, &s->index) >= 0);
if (s->card)
/* Called from main context */
static int source_set_state(pa_source *s, pa_source_state_t state) {
int ret;
- pa_bool_t suspend_change;
+ bool suspend_change;
pa_source_state_t original_state;
pa_assert(s);
s->state = state;
- if (state != PA_SOURCE_UNLINKED) { /* if we enter UNLINKED state pa_source_unlink() will fire the apropriate events */
+ if (state != PA_SOURCE_UNLINKED) { /* if we enter UNLINKED state pa_source_unlink() will fire the appropriate events */
pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_STATE_CHANGED], s);
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE | PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
return 0;
}
+void pa_source_set_get_volume_callback(pa_source *s, pa_source_cb_t cb) {
+ pa_assert(s);
+
+ s->get_volume = cb;
+}
+
+void pa_source_set_set_volume_callback(pa_source *s, pa_source_cb_t cb) {
+ pa_source_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 source implementor is responsible for setting decibel volume support */
+ s->flags |= PA_SOURCE_HW_VOLUME_CTRL;
+ } else {
+ s->flags &= ~PA_SOURCE_HW_VOLUME_CTRL;
+ /* See note below in pa_source_put() about volume sharing and decibel volumes */
+ pa_source_enable_decibel_volume(s, !(s->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER));
+ }
+
+ /* If the flags have changed after init, let any clients know via a change event */
+ if (s->state != PA_SOURCE_INIT && flags != s->flags)
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+}
+
+void pa_source_set_write_volume_callback(pa_source *s, pa_source_cb_t cb) {
+ pa_source_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_SOURCE_DEFERRED_VOLUME;
+ else
+ s->flags &= ~PA_SOURCE_DEFERRED_VOLUME;
+
+ /* If the flags have changed after init, let any clients know via a change event */
+ if (s->state != PA_SOURCE_INIT && flags != s->flags)
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+}
+
+void pa_source_set_get_mute_callback(pa_source *s, pa_source_cb_t cb) {
+ pa_assert(s);
+
+ s->get_mute = cb;
+}
+
+void pa_source_set_set_mute_callback(pa_source *s, pa_source_cb_t cb) {
+ pa_source_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_SOURCE_HW_MUTE_CTRL;
+ else
+ s->flags &= ~PA_SOURCE_HW_MUTE_CTRL;
+
+ /* If the flags have changed after init, let any clients know via a change event */
+ if (s->state != PA_SOURCE_INIT && flags != s->flags)
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+}
+
+static void enable_flat_volume(pa_source *s, bool enable) {
+ pa_source_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_SOURCE_FLAT_VOLUME;
+ else
+ s->flags &= ~PA_SOURCE_FLAT_VOLUME;
+
+ /* If the flags have changed after init, let any clients know via a change event */
+ if (s->state != PA_SOURCE_INIT && flags != s->flags)
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+}
+
+void pa_source_enable_decibel_volume(pa_source *s, bool enable) {
+ pa_source_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_SOURCE_DECIBEL_VOLUME;
+ enable_flat_volume(s, true);
+ } else {
+ s->flags &= ~PA_SOURCE_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_SOURCE_INIT && flags != s->flags)
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+}
+
/* Called from main context */
void pa_source_put(pa_source *s) {
pa_source_assert_ref(s);
pa_assert_ctl_context();
pa_assert(s->state == PA_SOURCE_INIT);
+ pa_assert(!(s->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER) || s->output_from_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_source_new(). As
- * a special exception we allow volume related flags to be set
- * between _new() and _put(). */
+ /* Generally, flags should be initialized via pa_source_new(). As a
+ * 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 source. */
+ pa_assert(!(s->flags & PA_SOURCE_HW_VOLUME_CTRL) || s->set_volume);
+ pa_assert(!(s->flags & PA_SOURCE_DEFERRED_VOLUME) || s->write_volume);
+ pa_assert(!(s->flags & PA_SOURCE_HW_MUTE_CTRL) || s->set_mute);
+
+ /* XXX: Currently decibel volume is disabled for all sources that use volume
+ * sharing. When the master source supports decibel volume, it would be good
+ * to have the flag also in the filter source, but currently we don't do that
+ * so that the flags of the filter source never change when it's moved from
+ * a master source to another. One solution for this problem would be to
+ * remove user-visible volume altogether from filter sources 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 source implementor to set this flag as needed.
+ *
+ * Note: This flag can also change over the life time of the source. */
+ if (!(s->flags & PA_SOURCE_HW_VOLUME_CTRL) && !(s->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER))
+ pa_source_enable_decibel_volume(s, true);
+
+ /* If the source implementor support DB volumes by itself, we should always
+ * try and enable flat volumes too */
+ if ((s->flags & PA_SOURCE_DECIBEL_VOLUME))
+ enable_flat_volume(s, true);
- if (!(s->flags & PA_SOURCE_HW_VOLUME_CTRL))
- s->flags |= PA_SOURCE_DECIBEL_VOLUME;
+ if (s->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER) {
+ pa_source *root_source = pa_source_get_master(s);
+
+ pa_assert(PA_LIKELY(root_source));
+
+ s->reference_volume = root_source->reference_volume;
+ pa_cvolume_remap(&s->reference_volume, &root_source->channel_map, &s->channel_map);
+
+ s->real_volume = root_source->real_volume;
+ pa_cvolume_remap(&s->real_volume, &root_source->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_SOURCE_HW_VOLUME_CTRL) || (s->base_volume == PA_VOLUME_NORM && s->flags & PA_SOURCE_DECIBEL_VOLUME));
+ pa_assert((s->flags & PA_SOURCE_HW_VOLUME_CTRL)
+ || (s->base_volume == PA_VOLUME_NORM
+ && ((s->flags & PA_SOURCE_DECIBEL_VOLUME || (s->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER)))));
pa_assert(!(s->flags & PA_SOURCE_DECIBEL_VOLUME) || s->n_volume_steps == PA_VOLUME_NORM+1);
pa_assert(!(s->flags & PA_SOURCE_DYNAMIC_LATENCY) == (s->thread_info.fixed_latency != 0));
- pa_assert_se(source_set_state(s, PA_SOURCE_IDLE) == 0);
+ if (s->suspend_cause)
+ pa_assert_se(source_set_state(s, PA_SOURCE_SUSPENDED) == 0);
+ else
+ 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;
+ bool linked;
pa_source_output *o, *j = NULL;
pa_assert(s);
/* Called from main context */
static void source_free(pa_object *o) {
- pa_source_output *so;
pa_source *s = PA_SOURCE(o);
pa_assert(s);
pa_log_info("Freeing source %u \"%s\"", s->index, s->name);
- pa_idxset_free(s->outputs, NULL, NULL);
-
- while ((so = pa_hashmap_steal_first(s->thread_info.outputs)))
- pa_source_output_unref(so);
-
- pa_hashmap_free(s->thread_info.outputs, NULL, NULL);
+ pa_idxset_free(s->outputs, NULL);
+ pa_hashmap_free(s->thread_info.outputs);
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_source_update_flags(pa_source *s, pa_source_flags_t mask, pa_source_flags_t value) {
+ pa_source_flags_t old_flags;
+ pa_source_output *output;
+ uint32_t idx;
+
pa_source_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_SOURCE_DYNAMIC_LATENCY|PA_SOURCE_LATENCY)) == 0);
+ old_flags = s->flags;
s->flags = (s->flags & ~mask) | (value & mask);
+
+ if (s->flags == old_flags)
+ return;
+
+ if ((s->flags & PA_SOURCE_LATENCY) != (old_flags & PA_SOURCE_LATENCY))
+ pa_log_debug("Source %s: LATENCY flag %s.", s->name, (s->flags & PA_SOURCE_LATENCY) ? "enabled" : "disabled");
+
+ if ((s->flags & PA_SOURCE_DYNAMIC_LATENCY) != (old_flags & PA_SOURCE_DYNAMIC_LATENCY))
+ pa_log_debug("Source %s: DYNAMIC_LATENCY flag %s.",
+ s->name, (s->flags & PA_SOURCE_DYNAMIC_LATENCY) ? "enabled" : "disabled");
+
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE | PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_FLAGS_CHANGED], s);
+
+ PA_IDXSET_FOREACH(output, s->outputs, idx) {
+ if (output->destination_source)
+ pa_source_update_flags(output->destination_source, mask, value);
+ }
}
/* Called from IO context, or before _put() from main context */
return source_set_state(s, pa_source_used_by(s) ? PA_SOURCE_RUNNING : PA_SOURCE_IDLE);
}
+/* Called from any context - must be threadsafe */
+void pa_source_set_mixer_dirty(pa_source *s, bool is_dirty) {
+ pa_atomic_store(&s->mixer_dirty, is_dirty ? 1 : 0);
+}
+
/* Called from main context */
-int pa_source_suspend(pa_source *s, pa_bool_t suspend, pa_suspend_cause_t cause) {
+int pa_source_suspend(pa_source *s, bool suspend, pa_suspend_cause_t cause) {
pa_source_assert_ref(s);
pa_assert_ctl_context();
pa_assert(PA_SOURCE_IS_LINKED(s->state));
pa_assert(cause != 0);
- if (s->monitor_of)
+ if (s->monitor_of && cause != PA_SUSPEND_PASSTHROUGH)
return -PA_ERR_NOTSUPPORTED;
if (suspend)
else
s->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_source_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_SOURCE_DEFERRED_VOLUME) {
+ struct source_message_set_port msg = { .port = s->active_port, .ret = 0 };
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_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_source_get_state(s) == PA_SOURCE_SUSPENDED) == !!s->suspend_cause)
return 0;
pa_log_debug("Suspend cause of source %s is 0x%04x, %s", s->name, s->suspend_cause, s->suspend_cause ? "suspending" : "resuming");
- if (suspend)
+ if (s->suspend_cause)
return source_set_state(s, PA_SOURCE_SUSPENDED);
else
return source_set_state(s, pa_source_used_by(s) ? PA_SOURCE_RUNNING : PA_SOURCE_IDLE);
}
/* Called from main context */
-void pa_source_move_all_finish(pa_source *s, pa_queue *q, pa_bool_t save) {
+void pa_source_move_all_finish(pa_source *s, pa_queue *q, bool save) {
pa_source_output *o;
pa_source_assert_ref(s);
pa_source_output_unref(o);
}
- pa_queue_free(q, NULL, NULL);
+ pa_queue_free(q, NULL);
}
/* Called from main context */
pa_source_output_unref(o);
}
- pa_queue_free(q, NULL, NULL);
+ pa_queue_free(q, NULL);
}
/* Called from IO thread context */
pa_source_output_push(o, chunk);
}
+/* Called from main thread */
+int pa_source_update_rate(pa_source *s, uint32_t rate, bool passthrough) {
+ int ret;
+ uint32_t desired_rate = rate;
+ uint32_t default_rate = s->default_sample_rate;
+ uint32_t alternate_rate = s->alternate_sample_rate;
+ bool use_alternate = false;
+
+ if (rate == s->sample_spec.rate)
+ return 0;
+
+ if (!s->update_rate && !s->monitor_of)
+ 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_SOURCE_IS_RUNNING(s->state)) {
+ pa_log_info("Cannot update rate, SOURCE_IS_RUNNING, will keep using %u Hz",
+ s->sample_spec.rate);
+ return -1;
+ }
+
+ if (s->monitor_of) {
+ if (PA_SINK_IS_RUNNING(s->monitor_of->state)) {
+ pa_log_info("Cannot update rate, this is a monitor source and the sink 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_source_used_by(s) > 0)
+ return -1;
+
+ pa_log_debug("Suspending source %s due to changing the sample rate.", s->name);
+ pa_source_suspend(s, true, PA_SUSPEND_INTERNAL);
+
+ if (s->update_rate)
+ ret = s->update_rate(s, desired_rate);
+ else {
+ /* This is a monitor source. */
+
+ /* XXX: This code is written with non-passthrough streams in mind. I
+ * have no idea whether the behaviour with passthrough streams is
+ * sensible. */
+ if (!passthrough) {
+ uint32_t old_rate = s->sample_spec.rate;
+
+ s->sample_spec.rate = desired_rate;
+ ret = pa_sink_update_rate(s->monitor_of, desired_rate, false);
+
+ if (ret < 0) {
+ /* Changing the sink rate failed, roll back the old rate for
+ * the monitor source. Why did we set the source rate before
+ * calling pa_sink_update_rate(), you may ask. The reason is
+ * that pa_sink_update_rate() tries to update the monitor
+ * source rate, but we are already in the process of updating
+ * the monitor source rate, so there's a risk of entering an
+ * infinite loop. Setting the source rate before calling
+ * pa_sink_update_rate() makes the rate == s->sample_spec.rate
+ * check in the beginning of this function return early, so we
+ * avoid looping. */
+ s->sample_spec.rate = old_rate;
+ }
+ } else
+ ret = -1;
+ }
+
+ if (ret >= 0) {
+ uint32_t idx;
+ pa_source_output *o;
+
+ PA_IDXSET_FOREACH(o, s->outputs, idx) {
+ if (o->state == PA_SOURCE_OUTPUT_CORKED)
+ pa_source_output_update_rate(o);
+ }
+
+ pa_log_info("Changed sampling rate successfully");
+ }
+
+ pa_source_suspend(s, false, PA_SUSPEND_INTERNAL);
+
+ return ret;
+}
+
/* Called from main thread */
pa_usec_t pa_source_get_latency(pa_source *s) {
pa_usec_t usec;
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);
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_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;
+}
+
+/* Called from IO thread */
+pa_usec_t pa_source_get_latency_within_thread(pa_source *s) {
+ pa_usec_t usec = 0;
+ pa_msgobject *o;
+
+ pa_source_assert_ref(s);
+ pa_source_assert_io_context(s);
+ pa_assert(PA_SOURCE_IS_LINKED(s->thread_info.state));
+
+ /* The returned value is supposed to be in the time domain of the sound card! */
+
+ if (s->thread_info.state == PA_SOURCE_SUSPENDED)
+ return 0;
+
+ if (!(s->flags & PA_SOURCE_LATENCY))
+ return 0;
+
+ o = PA_MSGOBJECT(s);
+
+ /* FIXME: We probably should make this a proper vtable callback instead of going through process_msg() */
+
+ if (o->process_msg(o, PA_SOURCE_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;
+}
+
+/* Called from the main thread (and also from the IO thread while the main
+ * thread is waiting).
+ *
+ * When a source uses volume sharing, it never has the PA_SOURCE_FLAT_VOLUME flag
+ * set. Instead, flat volume mode is detected by checking whether the root source
+ * has the flag set. */
+bool pa_source_flat_volume_enabled(pa_source *s) {
+ pa_source_assert_ref(s);
+
+ s = pa_source_get_master(s);
+
+ if (PA_LIKELY(s))
+ return (s->flags & PA_SOURCE_FLAT_VOLUME);
+ else
+ return false;
+}
+
+/* Called from the main thread (and also from the IO thread while the main
+ * thread is waiting). */
+pa_source *pa_source_get_master(pa_source *s) {
+ pa_source_assert_ref(s);
+
+ while (s && (s->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER)) {
+ if (PA_UNLIKELY(!s->output_from_master))
+ return NULL;
+
+ s = s->output_from_master->source;
+ }
+
+ return s;
+}
+
+/* Called from main context */
+bool pa_source_is_passthrough(pa_source *s) {
+
+ pa_source_assert_ref(s);
+
+ /* NB Currently only monitor sources support passthrough mode */
+ return (s->monitor_of && pa_sink_is_passthrough(s->monitor_of));
+}
+
+/* Called from main context */
+void pa_source_enter_passthrough(pa_source *s) {
+ pa_cvolume volume;
+
+ /* set the volume to NORM */
+ s->saved_volume = *pa_source_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_source_set_volume(s, &volume, true, false);
+}
+
+/* Called from main context */
+void pa_source_leave_passthrough(pa_source *s) {
+ /* Restore source volume to what it was before we entered passthrough mode */
+ pa_source_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_source_output *o) {
+ unsigned c = 0;
+ pa_cvolume remapped;
+
+ pa_assert(o);
+ pa_assert(pa_source_flat_volume_enabled(o->source));
+
+ /*
+ * Calculates the reference ratio from the source's reference
+ * volume. This basically calculates:
+ *
+ * o->reference_ratio = o->volume / o->source->reference_volume
+ */
+
+ remapped = o->source->reference_volume;
+ pa_cvolume_remap(&remapped, &o->source->channel_map, &o->channel_map);
+
+ o->reference_ratio.channels = o->sample_spec.channels;
+
+ for (c = 0; c < o->sample_spec.channels; c++) {
+
+ /* We don't update when the source 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(
+ o->reference_ratio.values[c],
+ remapped.values[c]) == o->volume.values[c])
+ continue;
+
+ o->reference_ratio.values[c] = pa_sw_volume_divide(
+ o->volume.values[c],
+ remapped.values[c]);
+ }
+}
+
+/* Called from main context. Only called for the root source in volume sharing
+ * cases, except for internal recursive calls. */
+static void compute_reference_ratios(pa_source *s) {
+ uint32_t idx;
+ pa_source_output *o;
+
+ pa_source_assert_ref(s);
+ pa_assert_ctl_context();
+ pa_assert(PA_SOURCE_IS_LINKED(s->state));
+ pa_assert(pa_source_flat_volume_enabled(s));
+
+ PA_IDXSET_FOREACH(o, s->outputs, idx) {
+ compute_reference_ratio(o);
+
+ if (o->destination_source && (o->destination_source->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER))
+ compute_reference_ratios(o->destination_source);
+ }
+}
+
+/* Called from main context. Only called for the root source in volume sharing
+ * cases, except for internal recursive calls. */
+static void compute_real_ratios(pa_source *s) {
+ pa_source_output *o;
+ uint32_t idx;
+
+ pa_source_assert_ref(s);
+ pa_assert_ctl_context();
+ pa_assert(PA_SOURCE_IS_LINKED(s->state));
+ pa_assert(pa_source_flat_volume_enabled(s));
+
+ PA_IDXSET_FOREACH(o, s->outputs, idx) {
+ unsigned c;
+ pa_cvolume remapped;
+
+ if (o->destination_source && (o->destination_source->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER)) {
+ /* The origin source 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(&o->real_ratio, o->real_ratio.channels);
+ o->soft_volume = o->volume_factor;
+
+ compute_real_ratios(o->destination_source);
+
+ 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, &o->channel_map);
+
+ o->real_ratio.channels = o->sample_spec.channels;
+ o->soft_volume.channels = o->sample_spec.channels;
+
+ for (c = 0; c < o->sample_spec.channels; c++) {
+
+ if (remapped.values[c] <= PA_VOLUME_MUTED) {
+ /* We leave o->real_ratio untouched */
+ o->soft_volume.values[c] = PA_VOLUME_MUTED;
+ continue;
+ }
+
+ /* Don't lose accuracy unless necessary */
+ if (pa_sw_volume_multiply(
+ o->real_ratio.values[c],
+ remapped.values[c]) != o->volume.values[c])
+
+ o->real_ratio.values[c] = pa_sw_volume_divide(
+ o->volume.values[c],
+ remapped.values[c]);
+
+ o->soft_volume.values[c] = pa_sw_volume_multiply(
+ o->real_ratio.values[c],
+ o->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,
+ const pa_channel_map *to) {
+
+ pa_cvolume t;
+
+ pa_assert(v);
+ pa_assert(template);
+ pa_assert(from);
+ pa_assert(to);
+ 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 source output to source volumes:
+ *
+ * If template is a possible remapping from v it is used instead
+ * of remapping anew.
+ *
+ * If the channel maps don't match we set an all-channel volume on
+ * the source to ensure that changing a volume on one stream has no
+ * effect that cannot be compensated for in another stream that
+ * does not have the same channel map as the source. */
+
+ if (pa_channel_map_equal(from, to))
+ return v;
+
+ t = *template;
+ if (pa_cvolume_equal(pa_cvolume_remap(&t, to, from), v)) {
+ *v = *template;
+ return v;
+ }
+
+ pa_cvolume_set(v, to->channels, pa_cvolume_max(v));
+ return v;
+}
+
+/* Called from main thread. Only called for the root source in volume sharing
+ * cases, except for internal recursive calls. */
+static void get_maximum_output_volume(pa_source *s, pa_cvolume *max_volume, const pa_channel_map *channel_map) {
+ pa_source_output *o;
+ uint32_t idx;
+
+ pa_source_assert_ref(s);
+ pa_assert(max_volume);
+ pa_assert(channel_map);
+ pa_assert(pa_source_flat_volume_enabled(s));
+
+ PA_IDXSET_FOREACH(o, s->outputs, idx) {
+ pa_cvolume remapped;
+
+ if (o->destination_source && (o->destination_source->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER)) {
+ get_maximum_output_volume(o->destination_source, max_volume, channel_map);
+
+ /* Ignore this output. The origin source uses volume sharing, so this
+ * output's volume will be set to be equal to the root source's real
+ * volume. Obviously this output's current volume must not then
+ * affect what the root source's real volume will be. */
+ continue;
+ }
+
+ remapped = o->volume;
+ cvolume_remap_minimal_impact(&remapped, max_volume, &o->channel_map, channel_map);
+ pa_cvolume_merge(max_volume, max_volume, &remapped);
+ }
+}
+
+/* Called from main thread. Only called for the root source in volume sharing
+ * cases, except for internal recursive calls. */
+static bool has_outputs(pa_source *s) {
+ pa_source_output *o;
+ uint32_t idx;
+
+ pa_source_assert_ref(s);
+
+ PA_IDXSET_FOREACH(o, s->outputs, idx) {
+ if (!o->destination_source || !(o->destination_source->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER) || has_outputs(o->destination_source))
+ return true;
+ }
+
+ return false;
+}
+
+/* Called from main thread. Only called for the root source in volume sharing
+ * cases, except for internal recursive calls. */
+static void update_real_volume(pa_source *s, const pa_cvolume *new_volume, pa_channel_map *channel_map) {
+ pa_source_output *o;
+ uint32_t idx;
+
+ pa_source_assert_ref(s);
+ pa_assert(new_volume);
+ pa_assert(channel_map);
+
+ s->real_volume = *new_volume;
+ pa_cvolume_remap(&s->real_volume, channel_map, &s->channel_map);
+
+ PA_IDXSET_FOREACH(o, s->outputs, idx) {
+ if (o->destination_source && (o->destination_source->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER)) {
+ if (pa_source_flat_volume_enabled(s)) {
+ pa_cvolume new_output_volume;
+
+ /* Follow the root source's real volume. */
+ new_output_volume = *new_volume;
+ pa_cvolume_remap(&new_output_volume, channel_map, &o->channel_map);
+ pa_source_output_set_volume_direct(o, &new_output_volume);
+ compute_reference_ratio(o);
+ }
+
+ update_real_volume(o->destination_source, new_volume, channel_map);
+ }
+ }
+}
+
+/* Called from main thread. Only called for the root source in shared volume
+ * cases. */
+static void compute_real_volume(pa_source *s) {
+ pa_source_assert_ref(s);
+ pa_assert_ctl_context();
+ pa_assert(PA_SOURCE_IS_LINKED(s->state));
+ pa_assert(pa_source_flat_volume_enabled(s));
+ pa_assert(!(s->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER));
+
+ /* This determines the maximum volume of all streams and sets
+ * s->real_volume accordingly. */
+
+ if (!has_outputs(s)) {
+ /* In the special case that we have no source outputs we leave the
+ * volume unmodified. */
+ update_real_volume(s, &s->reference_volume, &s->channel_map);
+ return;
+ }
+
+ pa_cvolume_mute(&s->real_volume, s->channel_map.channels);
+
+ /* First let's determine the new maximum volume of all outputs
+ * connected to this source */
+ get_maximum_output_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 outputs
+ * connected to this source */
+ compute_real_ratios(s);
+}
+
+/* Called from main thread. Only called for the root source in shared volume
+ * cases, except for internal recursive calls. */
+static void propagate_reference_volume(pa_source *s) {
+ pa_source_output *o;
+ uint32_t idx;
+
+ pa_source_assert_ref(s);
+ pa_assert_ctl_context();
+ pa_assert(PA_SOURCE_IS_LINKED(s->state));
+ pa_assert(pa_source_flat_volume_enabled(s));
+
+ /* This is called whenever the source volume changes that is not
+ * caused by a source output volume change. We need to fix up the
+ * source output volumes accordingly */
+
+ PA_IDXSET_FOREACH(o, s->outputs, idx) {
+ pa_cvolume new_volume;
+
+ if (o->destination_source && (o->destination_source->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER)) {
+ propagate_reference_volume(o->destination_source);
+
+ /* Since the origin source uses volume sharing, this output's volume
+ * needs to be updated to match the root source's real volume, but
+ * that will be done later in update_shared_real_volume(). */
+ continue;
+ }
+
+ /* This basically calculates:
+ *
+ * o->volume := o->reference_volume * o->reference_ratio */
+
+ new_volume = s->reference_volume;
+ pa_cvolume_remap(&new_volume, &s->channel_map, &o->channel_map);
+ pa_sw_cvolume_multiply(&new_volume, &new_volume, &o->reference_ratio);
+ pa_source_output_set_volume_direct(o, &new_volume);
+ }
+}
+
+/* Called from main thread. Only called for the root source 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_source *s, const pa_cvolume *v, const pa_channel_map *channel_map, bool save) {
+ pa_cvolume volume;
+ bool reference_volume_changed;
+ pa_source_output *o;
+ uint32_t idx;
+
+ pa_source_assert_ref(s);
+ pa_assert(PA_SOURCE_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_source_set_reference_volume_direct(s, &volume);
+
+ s->save_volume = (!reference_volume_changed && s->save_volume) || save;
+
+ if (!reference_volume_changed && !(s->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER))
+ /* If the root source's volume doesn't change, then there can't be any
+ * changes in the other source in the source tree either.
+ *
+ * It's probably theoretically possible that even if the root source's
+ * volume changes slightly, some filter source doesn't change its volume
+ * due to rounding errors. If that happens, we still want to propagate
+ * the changed root source volume to the sources connected to the
+ * intermediate source that didn't change its volume. This theoretical
+ * possibility is the reason why we have that !(s->flags &
+ * PA_SOURCE_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(o, s->outputs, idx) {
+ if (o->destination_source && (o->destination_source->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER))
+ update_reference_volume(o->destination_source, v, channel_map, false);
+ }
+
+ return true;
+}
+
+/* Called from main thread */
+void pa_source_set_volume(
+ pa_source *s,
+ const pa_cvolume *volume,
+ bool send_msg,
+ bool save) {
+
+ pa_cvolume new_reference_volume;
+ pa_source *root_source;
+
+ pa_source_assert_ref(s);
+ pa_assert_ctl_context();
+ pa_assert(PA_SOURCE_IS_LINKED(s->state));
+ pa_assert(!volume || pa_cvolume_valid(volume));
+ pa_assert(volume || pa_source_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 in PASSTHROUGH mode ...
+ * ... *except* if we're being invoked to reset the volume to ensure 0 dB gain */
+ if (pa_source_is_passthrough(s) && (!volume || !pa_cvolume_is_norm(volume))) {
+ pa_log_warn("Cannot change volume, source is monitor of a PASSTHROUGH sink");
+ return;
+ }
+
+ /* In case of volume sharing, the volume is set for the root source first,
+ * from which it's then propagated to the sharing sources. */
+ root_source = pa_source_get_master(s);
+
+ if (PA_UNLIKELY(!root_source))
+ return;
+
+ /* As a special exception we accept mono volumes on all sources --
+ * even on those with more complex channel maps */
+
+ if (volume) {
+ if (pa_cvolume_compatible(volume, &s->sample_spec))
+ new_reference_volume = *volume;
+ else {
+ new_reference_volume = s->reference_volume;
+ pa_cvolume_scale(&new_reference_volume, pa_cvolume_max(volume));
+ }
+
+ pa_cvolume_remap(&new_reference_volume, &s->channel_map, &root_source->channel_map);
+
+ if (update_reference_volume(root_source, &new_reference_volume, &root_source->channel_map, save)) {
+ if (pa_source_flat_volume_enabled(root_source)) {
+ /* OK, propagate this volume change back to the outputs */
+ propagate_reference_volume(root_source);
+
+ /* And now recalculate the real volume */
+ compute_real_volume(root_source);
+ } else
+ update_real_volume(root_source, &root_source->reference_volume, &root_source->channel_map);
+ }
+
+ } else {
+ /* If volume is NULL we synchronize the source's real and
+ * reference volumes with the stream volumes. */
+
+ pa_assert(pa_source_flat_volume_enabled(root_source));
+
+ /* Ok, let's determine the new real volume */
+ compute_real_volume(root_source);
+
+ /* Let's 'push' the reference volume if necessary */
+ pa_cvolume_merge(&new_reference_volume, &s->reference_volume, &root_source->real_volume);
+ /* If the source and its root don't have the same number of channels, we need to remap */
+ if (s != root_source && !pa_channel_map_equal(&s->channel_map, &root_source->channel_map))
+ pa_cvolume_remap(&new_reference_volume, &s->channel_map, &root_source->channel_map);
+ update_reference_volume(root_source, &new_reference_volume, &root_source->channel_map, save);
- return usec;
-}
+ /* Now that the reference volume is updated, we can update the streams'
+ * reference ratios. */
+ compute_reference_ratios(root_source);
+ }
-/* Called from IO thread */
-pa_usec_t pa_source_get_latency_within_thread(pa_source *s) {
- pa_usec_t usec = 0;
- pa_msgobject *o;
+ if (root_source->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 root_source->soft_volume */
- pa_source_assert_ref(s);
- pa_source_assert_io_context(s);
- pa_assert(PA_SOURCE_IS_LINKED(s->thread_info.state));
+ pa_cvolume_reset(&root_source->soft_volume, root_source->sample_spec.channels);
+ if (!(root_source->flags & PA_SOURCE_DEFERRED_VOLUME))
+ root_source->set_volume(root_source);
- /* The returned value is supposed to be in the time domain of the sound card! */
+ } else
+ /* If we have no function set_volume(), then the soft volume
+ * becomes the real volume */
+ root_source->soft_volume = root_source->real_volume;
- if (s->thread_info.state == PA_SOURCE_SUSPENDED)
- return 0;
+ /* This tells the source that soft volume and/or real volume changed */
+ if (send_msg)
+ pa_assert_se(pa_asyncmsgq_send(root_source->asyncmsgq, PA_MSGOBJECT(root_source), PA_SOURCE_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL) == 0);
+}
- if (!(s->flags & PA_SOURCE_LATENCY))
- return 0;
+/* Called from the io thread if sync volume is used, otherwise from the main thread.
+ * Only to be called by source implementor */
+void pa_source_set_soft_volume(pa_source *s, const pa_cvolume *volume) {
- o = PA_MSGOBJECT(s);
+ pa_source_assert_ref(s);
+ pa_assert(!(s->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER));
- /* We probably should make this a proper vtable callback instead of going through process_msg() */
+ if (s->flags & PA_SOURCE_DEFERRED_VOLUME)
+ pa_source_assert_io_context(s);
+ else
+ pa_assert_ctl_context();
- if (o->process_msg(o, PA_SOURCE_MESSAGE_GET_LATENCY, &usec, 0, NULL) < 0)
- return -1;
+ if (!volume)
+ pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
+ else
+ s->soft_volume = *volume;
- return usec;
+ if (PA_SOURCE_IS_LINKED(s->state) && !(s->flags & PA_SOURCE_DEFERRED_VOLUME))
+ 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 = s->soft_volume;
}
-/* Called from main thread */
-void pa_source_set_volume(pa_source *s, const pa_cvolume *volume, pa_bool_t save) {
- pa_cvolume old_virtual_volume;
- pa_bool_t virtual_volume_changed;
+/* Called from the main thread. Only called for the root source in volume sharing
+ * cases, except for internal recursive calls. */
+static void propagate_real_volume(pa_source *s, const pa_cvolume *old_real_volume) {
+ pa_source_output *o;
+ uint32_t idx;
pa_source_assert_ref(s);
+ pa_assert(old_real_volume);
pa_assert_ctl_context();
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));
- old_virtual_volume = s->virtual_volume;
- s->virtual_volume = *volume;
- virtual_volume_changed = !pa_cvolume_equal(&old_virtual_volume, &s->virtual_volume);
- s->save_volume = (!virtual_volume_changed && s->save_volume) || save;
+ /* This is called when the hardware's real volume changes due to
+ * some external event. We copy the real volume into our
+ * reference volume and then rebuild the stream volumes based on
+ * i->real_ratio which should stay fixed. */
- 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->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER)) {
+ if (pa_cvolume_equal(old_real_volume, &s->real_volume))
+ return;
+
+ /* 1. Make the real volume the reference volume */
+ update_reference_volume(s, &s->real_volume, &s->channel_map, true);
+ }
- pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_VOLUME, NULL, 0, NULL) == 0);
+ if (pa_source_flat_volume_enabled(s)) {
+ PA_IDXSET_FOREACH(o, s->outputs, idx) {
+ pa_cvolume new_volume;
+
+ /* 2. Since the source's reference and real volumes are equal
+ * now our ratios should be too. */
+ o->reference_ratio = o->real_ratio;
+
+ /* 3. Recalculate the new stream reference volume based on the
+ * reference ratio and the sink's reference volume.
+ *
+ * This basically calculates:
+ *
+ * o->volume = s->reference_volume * o->reference_ratio
+ *
+ * This is identical to propagate_reference_volume() */
+ new_volume = s->reference_volume;
+ pa_cvolume_remap(&new_volume, &s->channel_map, &o->channel_map);
+ pa_sw_cvolume_multiply(&new_volume, &new_volume, &o->reference_ratio);
+ pa_source_output_set_volume_direct(o, &new_volume);
+
+ if (o->destination_source && (o->destination_source->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER))
+ propagate_real_volume(o->destination_source, old_real_volume);
+ }
+ }
- if (virtual_volume_changed)
- pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ /* 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. */
+ if (!(s->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER))
+ s->save_volume = true;
}
-/* 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_ctl_context();
- pa_assert(volume);
+/* Called from io thread */
+void pa_source_update_volume_and_mute(pa_source *s) {
+ pa_assert(s);
+ pa_source_assert_io_context(s);
- 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;
+ pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_UPDATE_VOLUME_AND_MUTE, NULL, 0, NULL, NULL);
}
/* Called from main thread */
-const pa_cvolume *pa_source_get_volume(pa_source *s, pa_bool_t force_refresh) {
+const pa_cvolume *pa_source_get_volume(pa_source *s, bool force_refresh) {
pa_source_assert_ref(s);
pa_assert_ctl_context();
pa_assert(PA_SOURCE_IS_LINKED(s->state));
if (s->refresh_volume || force_refresh) {
- pa_cvolume old_virtual_volume = s->virtual_volume;
+ struct pa_cvolume old_real_volume;
+
+ pa_assert(!(s->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER));
- if (s->get_volume)
+ old_real_volume = s->real_volume;
+
+ if (!(s->flags & PA_SOURCE_DEFERRED_VOLUME) && s->get_volume)
s->get_volume(s);
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_virtual_volume, &s->virtual_volume)) {
- s->save_volume = TRUE;
- pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
- }
+ update_real_volume(s, &s->real_volume, &s->channel_map);
+ propagate_real_volume(s, &old_real_volume);
}
- return &s->virtual_volume;
+ return &s->reference_volume;
}
-/* Called from main thread */
-void pa_source_volume_changed(pa_source *s, const pa_cvolume *new_volume) {
+/* Called from main thread. In volume sharing cases, only the root source may
+ * call this. */
+void pa_source_volume_changed(pa_source *s, const pa_cvolume *new_real_volume) {
+ pa_cvolume old_real_volume;
+
pa_source_assert_ref(s);
pa_assert_ctl_context();
pa_assert(PA_SOURCE_IS_LINKED(s->state));
+ pa_assert(!(s->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER));
/* The source implementor may call this if the volume changed to make sure everyone is notified */
- if (pa_cvolume_equal(&s->virtual_volume, new_volume))
- return;
-
- s->virtual_volume = *new_volume;
- s->save_volume = TRUE;
-
- pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ old_real_volume = s->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_source_set_mute(pa_source *s, pa_bool_t mute, pa_bool_t save) {
- pa_bool_t old_muted;
+void pa_source_set_mute(pa_source *s, bool mute, bool save) {
+ bool old_muted;
pa_source_assert_ref(s);
pa_assert_ctl_context();
s->muted = mute;
s->save_muted = (old_muted == s->muted && s->save_muted) || save;
- if (s->set_mute)
+ if (!(s->flags & PA_SOURCE_DEFERRED_VOLUME) && s->set_mute)
s->set_mute(s);
pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_MUTE, NULL, 0, NULL) == 0);
}
/* Called from main thread */
-pa_bool_t pa_source_get_mute(pa_source *s, pa_bool_t force_refresh) {
+bool pa_source_get_mute(pa_source *s, bool force_refresh) {
+
pa_source_assert_ref(s);
pa_assert_ctl_context();
pa_assert(PA_SOURCE_IS_LINKED(s->state));
if (s->refresh_muted || force_refresh) {
- pa_bool_t old_muted = s->muted;
+ bool old_muted = s->muted;
- if (s->get_mute)
+ if (!(s->flags & PA_SOURCE_DEFERRED_VOLUME) && s->get_mute)
s->get_mute(s);
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) {
- s->save_muted = TRUE;
+ s->save_muted = true;
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
/* Called from main thread */
-void pa_source_mute_changed(pa_source *s, pa_bool_t new_muted) {
+void pa_source_mute_changed(pa_source *s, bool new_muted) {
pa_source_assert_ref(s);
pa_assert_ctl_context();
pa_assert(PA_SOURCE_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_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
/* Called from main thread */
-pa_bool_t pa_source_update_proplist(pa_source *s, pa_update_mode_t mode, pa_proplist *p) {
+bool pa_source_update_proplist(pa_source *s, pa_update_mode_t mode, pa_proplist *p) {
pa_source_assert_ref(s);
pa_assert_ctl_context();
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
- return TRUE;
+ return true;
}
/* Called from main thread */
/* 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));
pa_assert_ctl_context();
+ pa_assert(PA_SOURCE_IS_LINKED(s->state));
return pa_idxset_size(s->outputs);
}
unsigned ret;
pa_source_assert_ref(s);
- pa_assert(PA_SOURCE_IS_LINKED(s->state));
pa_assert_ctl_context();
+ pa_assert(PA_SOURCE_IS_LINKED(s->state));
ret = pa_idxset_size(s->outputs);
pa_assert(ret >= s->n_corked);
pa_source_output_state_t st;
st = pa_source_output_get_state(o);
- pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(st));
+
+ /* We do not assert here. It is perfectly valid for a source output 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
+ * towards our busy status.
+ */
+ if (!PA_SOURCE_OUTPUT_IS_LINKED(st))
+ continue;
if (st == PA_SOURCE_OUTPUT_CORKED)
continue;
return ret;
}
+/* Called from the IO thread */
+static void sync_output_volumes_within_thread(pa_source *s) {
+ pa_source_output *o;
+ void *state = NULL;
+
+ pa_source_assert_ref(s);
+ pa_source_assert_io_context(s);
+
+ PA_HASHMAP_FOREACH(o, s->thread_info.outputs, state) {
+ if (pa_cvolume_equal(&o->thread_info.soft_volume, &o->soft_volume))
+ continue;
+
+ o->thread_info.soft_volume = o->soft_volume;
+ //pa_source_output_request_rewind(o, 0, true, false, false);
+ }
+}
+
+/* Called from the IO thread. Only called for the root source in volume sharing
+ * cases, except for internal recursive calls. */
+static void set_shared_volume_within_thread(pa_source *s) {
+ pa_source_output *o;
+ void *state = NULL;
+
+ pa_source_assert_ref(s);
+
+ PA_MSGOBJECT(s)->process_msg(PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_VOLUME_SYNCED, NULL, 0, NULL);
+
+ PA_HASHMAP_FOREACH(o, s->thread_info.outputs, state) {
+ if (o->destination_source && (o->destination_source->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER))
+ set_shared_volume_within_thread(o->destination_source);
+ }
+}
+
/* 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_assert(!o->thread_info.attached);
- o->thread_info.attached = TRUE;
+ o->thread_info.attached = true;
if (o->attach)
o->attach(o);
* requested latency. */
pa_source_output_set_requested_latency_within_thread(o, o->thread_info.requested_source_latency);
- return 0;
+ /* In flat volume mode we need to update the volume as
+ * well */
+ return object->process_msg(object, PA_SOURCE_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
}
case PA_SOURCE_MESSAGE_REMOVE_OUTPUT: {
o->detach(o);
pa_assert(o->thread_info.attached);
- o->thread_info.attached = FALSE;
+ o->thread_info.attached = false;
if (o->thread_info.direct_on_input) {
pa_hashmap_remove(o->thread_info.direct_on_input->thread_info.direct_outputs, PA_UINT32_TO_PTR(o->index));
o->thread_info.direct_on_input = NULL;
}
- if (pa_hashmap_remove(s->thread_info.outputs, PA_UINT32_TO_PTR(o->index)))
- pa_source_output_unref(o);
+ pa_hashmap_remove_and_free(s->thread_info.outputs, PA_UINT32_TO_PTR(o->index));
+ pa_source_invalidate_requested_latency(s, true);
+
+ /* In flat volume mode we need to update the volume as
+ * well */
+ return object->process_msg(object, PA_SOURCE_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
+ }
+
+ case PA_SOURCE_MESSAGE_SET_SHARED_VOLUME: {
+ pa_source *root_source = pa_source_get_master(s);
- pa_source_invalidate_requested_latency(s, TRUE);
+ if (PA_LIKELY(root_source))
+ set_shared_volume_within_thread(root_source);
return 0;
}
+ case PA_SOURCE_MESSAGE_SET_VOLUME_SYNCED:
+
+ if (s->flags & PA_SOURCE_DEFERRED_VOLUME) {
+ s->set_volume(s);
+ pa_source_volume_change_push(s);
+ }
+ /* Fall through ... */
+
case PA_SOURCE_MESSAGE_SET_VOLUME:
- s->thread_info.soft_volume = s->soft_volume;
+
+ if (!pa_cvolume_equal(&s->thread_info.soft_volume, &s->soft_volume)) {
+ s->thread_info.soft_volume = s->soft_volume;
+ }
+
+ /* Fall through ... */
+
+ case PA_SOURCE_MESSAGE_SYNC_VOLUMES:
+ sync_output_volumes_within_thread(s);
return 0;
case PA_SOURCE_MESSAGE_GET_VOLUME:
+
+ if ((s->flags & PA_SOURCE_DEFERRED_VOLUME) && s->get_volume) {
+ s->get_volume(s);
+ pa_source_volume_change_flush(s);
+ pa_sw_cvolume_divide(&s->thread_info.current_hw_volume, &s->real_volume, &s->soft_volume);
+ }
+
+ /* In case source implementor reset SW volume. */
+ if (!pa_cvolume_equal(&s->thread_info.soft_volume, &s->soft_volume)) {
+ s->thread_info.soft_volume = s->soft_volume;
+ }
+
return 0;
case PA_SOURCE_MESSAGE_SET_MUTE:
- s->thread_info.soft_muted = s->muted;
+
+ if (s->thread_info.soft_muted != s->muted) {
+ s->thread_info.soft_muted = s->muted;
+ }
+
+ if (s->flags & PA_SOURCE_DEFERRED_VOLUME && s->set_mute)
+ s->set_mute(s);
+
return 0;
case PA_SOURCE_MESSAGE_GET_MUTE:
+
+ if (s->flags & PA_SOURCE_DEFERRED_VOLUME && s->get_mute)
+ s->get_mute(s);
+
return 0;
case PA_SOURCE_MESSAGE_SET_STATE: {
- pa_bool_t suspend_change =
+ bool suspend_change =
(s->thread_info.state == PA_SOURCE_SUSPENDED && PA_SOURCE_IS_OPENED(PA_PTR_TO_UINT(userdata))) ||
(PA_SOURCE_IS_OPENED(s->thread_info.state) && PA_PTR_TO_UINT(userdata) == PA_SOURCE_SUSPENDED);
o->suspend_within_thread(o, s->thread_info.state == PA_SOURCE_SUSPENDED);
}
-
return 0;
}
- case PA_SOURCE_MESSAGE_DETACH:
-
- /* Detach all streams */
- pa_source_detach_within_thread(s);
- return 0;
-
- case PA_SOURCE_MESSAGE_ATTACH:
-
- /* Reattach all streams */
- pa_source_attach_within_thread(s);
- return 0;
-
case PA_SOURCE_MESSAGE_GET_REQUESTED_LATENCY: {
pa_usec_t *usec = userdata;
*usec = pa_source_get_requested_latency_within_thread(s);
+ /* Yes, that's right, the IO thread will see -1 when no
+ * explicit requested latency is configured, the main
+ * thread will see max_latency */
if (*usec == (pa_usec_t) -1)
*usec = s->thread_info.max_latency;
/* Implementors need to overwrite this implementation! */
return -1;
+ case PA_SOURCE_MESSAGE_SET_PORT:
+
+ pa_assert(userdata);
+ if (s->set_port) {
+ struct source_message_set_port *msg_data = userdata;
+ msg_data->ret = s->set_port(s, msg_data->port);
+ }
+ return 0;
+
+ case PA_SOURCE_MESSAGE_UPDATE_VOLUME_AND_MUTE:
+ /* This message is sent from IO-thread and handled in main thread. */
+ pa_assert_ctl_context();
+
+ /* Make sure we're not messing with main thread when no longer linked */
+ if (!PA_SOURCE_IS_LINKED(s->state))
+ return 0;
+
+ pa_source_get_volume(s, true);
+ pa_source_get_mute(s, true);
+ return 0;
+
+ case PA_SOURCE_MESSAGE_SET_LATENCY_OFFSET:
+ s->thread_info.latency_offset = offset;
+ return 0;
+
case PA_SOURCE_MESSAGE_MAX:
;
}
}
/* Called from main thread */
-int pa_source_suspend_all(pa_core *c, pa_bool_t suspend, pa_suspend_cause_t cause) {
- uint32_t idx;
+int pa_source_suspend_all(pa_core *c, bool suspend, pa_suspend_cause_t cause) {
pa_source *source;
+ uint32_t idx;
int ret = 0;
pa_core_assert_ref(c);
return ret;
}
-/* Called from main thread */
-void pa_source_detach(pa_source *s) {
- pa_source_assert_ref(s);
- pa_assert_ctl_context();
- pa_assert(PA_SOURCE_IS_LINKED(s->state));
-
- 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_ctl_context();
- pa_assert(PA_SOURCE_IS_LINKED(s->state));
-
- 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;
if (PA_SOURCE_IS_LINKED(s->thread_info.state)) {
/* Only cache this if we are fully set up */
s->thread_info.requested_latency = result;
- s->thread_info.requested_latency_valid = TRUE;
+ s->thread_info.requested_latency_valid = true;
}
return result;
}
/* Called from IO thread */
-void pa_source_invalidate_requested_latency(pa_source *s, pa_bool_t dynamic) {
+void pa_source_invalidate_requested_latency(pa_source *s, bool dynamic) {
pa_source_output *o;
void *state = NULL;
pa_source_assert_io_context(s);
if ((s->flags & PA_SOURCE_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_source_get_latency_range(pa_source *s, pa_usec_t *min_latency, pa_usec_t *max_latency) {
- pa_source_assert_ref(s);
- pa_assert_ctl_context();
- pa_assert(min_latency);
- pa_assert(max_latency);
+ pa_source_assert_ref(s);
+ pa_assert_ctl_context();
+ pa_assert(min_latency);
+ pa_assert(max_latency);
- if (PA_SOURCE_IS_LINKED(s->state)) {
- pa_usec_t r[2] = { 0, 0 };
+ 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);
+ 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;
- }
+ *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, and from main thread before pa_source_put() is called */
o->update_source_latency_range(o);
}
- pa_source_invalidate_requested_latency(s, FALSE);
+ pa_source_invalidate_requested_latency(s, false);
}
/* Called from main thread, before the source is put */
if (s->flags & PA_SOURCE_DYNAMIC_LATENCY) {
pa_assert(latency == 0);
+ s->thread_info.fixed_latency = 0;
+
return;
}
o->update_source_fixed_latency(o);
}
- pa_source_invalidate_requested_latency(s, FALSE);
+ pa_source_invalidate_requested_latency(s, false);
+}
+
+/* Called from main thread */
+void pa_source_set_latency_offset(pa_source *s, int64_t offset) {
+ pa_source_assert_ref(s);
+
+ s->latency_offset = offset;
+
+ if (PA_SOURCE_IS_LINKED(s->state))
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_LATENCY_OFFSET, NULL, offset, NULL) == 0);
+ else
+ s->thread_info.latency_offset = offset;
}
/* Called from main thread */
}
/* Called from main context */
-int pa_source_set_port(pa_source *s, const char *name, pa_bool_t save) {
+int pa_source_set_port(pa_source *s, const char *name, bool save) {
pa_device_port *port;
+ int ret;
- pa_assert(s);
+ pa_source_assert_ref(s);
pa_assert_ctl_context();
if (!s->set_port) {
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->set_port(s, port)) < 0)
+ if (s->flags & PA_SOURCE_DEFERRED_VOLUME) {
+ struct source_message_set_port msg = { .port = port, .ret = 0 };
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_PORT, &msg, 0, NULL) == 0);
+ ret = msg.ret;
+ }
+ else
+ ret = s->set_port(s, port);
+
+ if (ret < 0)
return -PA_ERR_NOENTITY;
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
s->active_port = port;
s->save_port = save;
+ pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_PORT_CHANGED], s);
+
return 0;
}
+
+PA_STATIC_FLIST_DECLARE(pa_source_volume_change, 0, pa_xfree);
+
+/* Called from the IO thread. */
+static pa_source_volume_change *pa_source_volume_change_new(pa_source *s) {
+ pa_source_volume_change *c;
+ if (!(c = pa_flist_pop(PA_STATIC_FLIST_GET(pa_source_volume_change))))
+ c = pa_xnew(pa_source_volume_change, 1);
+
+ PA_LLIST_INIT(pa_source_volume_change, c);
+ c->at = 0;
+ pa_cvolume_reset(&c->hw_volume, s->sample_spec.channels);
+ return c;
+}
+
+/* Called from the IO thread. */
+static void pa_source_volume_change_free(pa_source_volume_change *c) {
+ pa_assert(c);
+ if (pa_flist_push(PA_STATIC_FLIST_GET(pa_source_volume_change), c) < 0)
+ pa_xfree(c);
+}
+
+/* Called from the IO thread. */
+void pa_source_volume_change_push(pa_source *s) {
+ pa_source_volume_change *c = NULL;
+ pa_source_volume_change *nc = NULL;
+ uint32_t safety_margin = s->thread_info.volume_change_safety_margin;
+
+ const char *direction = NULL;
+
+ pa_assert(s);
+ nc = pa_source_volume_change_new(s);
+
+ /* NOTE: There is already more different volumes in pa_source that I can remember.
+ * Adding one more volume for HW would get us rid of this, but I am trying
+ * to survive with the ones we already have. */
+ pa_sw_cvolume_divide(&nc->hw_volume, &s->real_volume, &s->soft_volume);
+
+ if (!s->thread_info.volume_changes && pa_cvolume_equal(&nc->hw_volume, &s->thread_info.current_hw_volume)) {
+ pa_log_debug("Volume not changing");
+ pa_source_volume_change_free(nc);
+ return;
+ }
+
+ nc->at = pa_source_get_latency_within_thread(s);
+ nc->at += pa_rtclock_now() + s->thread_info.volume_change_extra_delay;
+
+ if (s->thread_info.volume_changes_tail) {
+ for (c = s->thread_info.volume_changes_tail; c; c = c->prev) {
+ /* If volume is going up let's do it a bit late. If it is going
+ * down let's do it a bit early. */
+ if (pa_cvolume_avg(&nc->hw_volume) > pa_cvolume_avg(&c->hw_volume)) {
+ if (nc->at + safety_margin > c->at) {
+ nc->at += safety_margin;
+ direction = "up";
+ break;
+ }
+ }
+ else if (nc->at - safety_margin > c->at) {
+ nc->at -= safety_margin;
+ direction = "down";
+ break;
+ }
+ }
+ }
+
+ if (c == NULL) {
+ if (pa_cvolume_avg(&nc->hw_volume) > pa_cvolume_avg(&s->thread_info.current_hw_volume)) {
+ nc->at += safety_margin;
+ direction = "up";
+ } else {
+ nc->at -= safety_margin;
+ direction = "down";
+ }
+ PA_LLIST_PREPEND(pa_source_volume_change, s->thread_info.volume_changes, nc);
+ }
+ else {
+ PA_LLIST_INSERT_AFTER(pa_source_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), (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), (long long unsigned) c->at);
+ pa_source_volume_change_free(c);
+ }
+ nc->next = NULL;
+ s->thread_info.volume_changes_tail = nc;
+}
+
+/* Called from the IO thread. */
+static void pa_source_volume_change_flush(pa_source *s) {
+ pa_source_volume_change *c = s->thread_info.volume_changes;
+ pa_assert(s);
+ s->thread_info.volume_changes = NULL;
+ s->thread_info.volume_changes_tail = NULL;
+ while (c) {
+ pa_source_volume_change *next = c->next;
+ pa_source_volume_change_free(c);
+ c = next;
+ }
+}
+
+/* Called from the IO thread. */
+bool pa_source_volume_change_apply(pa_source *s, pa_usec_t *usec_to_next) {
+ pa_usec_t now;
+ bool ret = false;
+
+ pa_assert(s);
+
+ if (!s->thread_info.volume_changes || !PA_SOURCE_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_source_volume_change *c = s->thread_info.volume_changes;
+ PA_LLIST_REMOVE(pa_source_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), (long long unsigned) c->at, (long long unsigned) (now - c->at));
+ ret = true;
+ s->thread_info.current_hw_volume = c->hw_volume;
+ pa_source_volume_change_free(c);
+ }
+
+ 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", (long long) (s->thread_info.volume_changes->at - now));
+ }
+ else {
+ if (usec_to_next)
+ *usec_to_next = 0;
+ s->thread_info.volume_changes_tail = NULL;
+ }
+ return ret;
+}
+
+/* Called from the main thread */
+/* Gets the list of formats supported by the source. The members and idxset must
+ * be freed by the caller. */
+pa_idxset* pa_source_get_formats(pa_source *s) {
+ pa_idxset *ret;
+
+ pa_assert(s);
+
+ if (s->get_formats) {
+ /* Source supports format query, all is good */
+ ret = s->get_formats(s);
+ } else {
+ /* Source 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 */
+/* Checks if the source can accept this format */
+bool pa_source_check_format(pa_source *s, pa_format_info *f) {
+ pa_idxset *formats = NULL;
+ bool ret = false;
+
+ pa_assert(s);
+ pa_assert(f);
+
+ formats = pa_source_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 source and
+ * in_formats, and returns these, in the order of the source's formats. */
+pa_idxset* pa_source_check_formats(pa_source *s, pa_idxset *in_formats) {
+ pa_idxset *out_formats = pa_idxset_new(NULL, NULL), *source_formats = NULL;
+ pa_format_info *f_source, *f_in;
+ uint32_t i, j;
+
+ pa_assert(s);
+
+ if (!in_formats || pa_idxset_isempty(in_formats))
+ goto done;
+
+ source_formats = pa_source_get_formats(s);
+
+ PA_IDXSET_FOREACH(f_source, source_formats, i) {
+ PA_IDXSET_FOREACH(f_in, in_formats, j) {
+ if (pa_format_info_is_compatible(f_source, f_in))
+ pa_idxset_put(out_formats, pa_format_info_copy(f_in), NULL);
+ }
+ }
+
+done:
+ if (source_formats)
+ pa_idxset_free(source_formats, (pa_free_cb_t) pa_format_info_free);
+
+ return out_formats;
+}
+
+/* Called from the main thread. */
+void pa_source_set_reference_volume_direct(pa_source *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 source %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_SOURCE_DECIBEL_VOLUME),
+ pa_cvolume_snprint_verbose(new_volume_str, sizeof(new_volume_str), volume, &s->channel_map,
+ s->flags & PA_SOURCE_DECIBEL_VOLUME));
+
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+}