#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"
pa_zero(*data);
data->proplist = pa_proplist_new();
+ data->ports = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
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);
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_free_cb_t) pa_device_port_unref);
pa_xfree(data->name);
pa_xfree(data->active_port);
s->update_requested_latency = NULL;
s->set_port = NULL;
s->get_formats = NULL;
+ s->update_rate = NULL;
}
/* Called from main context */
s->state = PA_SOURCE_INIT;
s->flags = flags;
s->priority = 0;
- s->suspend_cause = 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->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->active_port = NULL;
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) {
+ if (!s->active_port) {
void *state;
pa_device_port *p;
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;
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);
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 */
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, (pa_free_cb_t) pa_source_output_unref);
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_free_cb_t) pa_device_port_unref);
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, pa_bool_t 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) {
pa_source_assert_ref(s);
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_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 */
+pa_bool_t pa_source_update_rate(pa_source *s, uint32_t rate, pa_bool_t passthrough)
+{
+ pa_bool_t ret = FALSE;
+
+ if (s->update_rate) {
+ 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_source_output *o;
+ pa_bool_t use_alternate = FALSE;
+
+ if (PA_UNLIKELY(default_rate == alternate_rate)) {
+ pa_log_warn("Default and alternate sample rates are the same.");
+ return FALSE;
+ }
+
+ 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 FALSE;
+ }
+
+ if (PA_UNLIKELY (desired_rate < 8000 ||
+ desired_rate > PA_RATE_MAX))
+ return FALSE;
+
+ if (!passthrough) {
+ pa_assert(default_rate % 4000 || default_rate % 11025);
+ pa_assert(alternate_rate % 4000 || alternate_rate % 11025);
+
+ if (default_rate % 4000) {
+ /* default is a 11025 multiple */
+ 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 FALSE;
+
+ if (!passthrough && pa_source_used_by(s) > 0)
+ return FALSE;
+
+ 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(s, desired_rate) == TRUE) {
+ pa_log_info("Changed sampling rate successfully ");
+
+ PA_IDXSET_FOREACH(o, s->outputs, idx) {
+ if (o->state == PA_SOURCE_OUTPUT_CORKED)
+ pa_source_output_update_rate(o);
+ }
+ ret = TRUE;
+ }
+
+ 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;
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;
}
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;
}
/* 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");
+ pa_log_warn("Cannot change volume, source is monitor of a PASSTHROUGH sink");
return;
}
}
pa_cvolume_remap(&new_reference_volume, &s->channel_map, &root_source->channel_map);
- }
- /* If volume is NULL we synchronize the source's real and reference
- * volumes with the stream volumes. If it is not NULL we update
- * the reference_volume with it. */
-
- if (volume) {
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 */
}
} 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 */
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:
;
}
if (s->flags & PA_SOURCE_DYNAMIC_LATENCY) {
pa_assert(latency == 0);
+ s->thread_info.fixed_latency = 0;
+
return;
}
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 */
size_t pa_source_get_max_rewind(pa_source *s) {
size_t r;
return -PA_ERR_NOTIMPLEMENTED;
}
- if (!s->ports)
+ if (!name)
return -PA_ERR_NOENTITY;
if (!(port = pa_hashmap_get(s->ports, name)))
}
}
- pa_idxset_free(formats, (pa_free2_cb_t) pa_format_info_free2, NULL);
+ pa_idxset_free(formats, (pa_free_cb_t) pa_format_info_free);
}
return ret;
done:
if (source_formats)
- pa_idxset_free(source_formats, (pa_free2_cb_t) pa_format_info_free2, NULL);
+ pa_idxset_free(source_formats, (pa_free_cb_t) pa_format_info_free);
return out_formats;
}