#define MIX_BUFFER_LENGTH (PA_PAGE_SIZE)
#define ABSOLUTE_MIN_LATENCY (500)
#define ABSOLUTE_MAX_LATENCY (10*PA_USEC_PER_SEC)
+#define DEFAULT_FIXED_LATENCY (250*PA_USEC_PER_MSEC)
static PA_DEFINE_CHECK_TYPE(pa_sink, pa_msgobject);
s->muted = data->muted;
s->refresh_volume = s->refresh_muted = FALSE;
+ s->fixed_latency = flags & PA_SINK_DYNAMIC_LATENCY ? 0 : DEFAULT_FIXED_LATENCY;
+
reset_callbacks(s);
s->userdata = NULL;
if (s->flags & PA_SINK_LATENCY)
s->monitor_source->flags |= PA_SOURCE_LATENCY;
- if (s->flags & PA_SINK_DYNAMIC_LATENCY)
+ if (s->flags & PA_SINK_DYNAMIC_LATENCY) {
s->monitor_source->flags |= PA_SOURCE_DYNAMIC_LATENCY;
+ s->fixed_latency = 0;
+ } else if (s->fixed_latency <= 0)
+ s->fixed_latency = DEFAULT_FIXED_LATENCY;
+
+ s->monitor_source->fixed_latency = s->fixed_latency;
pa_assert_se(sink_set_state(s, PA_SINK_IDLE) == 0);
for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = n) {
n = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx));
+ pa_sink_input_ref(i);
+
if (pa_sink_input_start_move(i) >= 0)
- pa_queue_push(q, pa_sink_input_ref(i));
+ pa_queue_push(q, i);
+ else
+ pa_sink_input_unref(i);
}
return q;
pa_sink_input_assert_ref(i);
pa_assert(new_volume->channels == i->sample_spec.channels);
- /* This basically calculates i->soft_volume := i->virtual_volume / new_volume * i->volume_factor */
+ /*
+ * This basically calculates:
+ *
+ * i->relative_volume := i->virtual_volume / new_volume
+ * i->soft_volume := i->relative_volume * i->volume_factor
+ */
/* The new sink volume passed in here must already be remapped to
* the sink input's channel map! */
+ i->soft_volume.channels = i->sample_spec.channels;
+
for (c = 0; c < i->sample_spec.channels; c++)
if (new_volume->values[c] <= PA_VOLUME_MUTED)
+ /* We leave i->relative_volume untouched */
i->soft_volume.values[c] = PA_VOLUME_MUTED;
- else
- i->soft_volume.values[c] = pa_sw_volume_from_linear(
- pa_sw_volume_to_linear(i->virtual_volume.values[c]) *
- pa_sw_volume_to_linear(i->volume_factor.values[c]) /
- pa_sw_volume_to_linear(new_volume->values[c]));
+ else {
+ i->relative_volume[c] =
+ pa_sw_volume_to_linear(i->virtual_volume.values[c]) /
+ pa_sw_volume_to_linear(new_volume->values[c]);
- i->soft_volume.channels = i->sample_spec.channels;
+ i->soft_volume.values[c] = pa_sw_volume_from_linear(
+ i->relative_volume[c] *
+ pa_sw_volume_to_linear(i->volume_factor.values[c]));
+ }
/* Hooks have the ability to play games with i->soft_volume */
pa_hook_fire(&i->core->hooks[PA_CORE_HOOK_SINK_INPUT_SET_VOLUME], i);
}
/* Called from main thread */
-void pa_sink_propagate_flat_volume(pa_sink *s, const pa_cvolume *old_volume) {
+void pa_sink_propagate_flat_volume(pa_sink *s) {
pa_sink_input *i;
uint32_t idx;
pa_sink_assert_ref(s);
- pa_assert(old_volume);
pa_assert(PA_SINK_IS_LINKED(s->state));
pa_assert(s->flags & PA_SINK_FLAT_VOLUME);
* sink input volumes accordingly */
for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx))) {
- pa_cvolume remapped_old_volume, remapped_new_volume, new_virtual_volume;
+ pa_cvolume sink_volume, new_virtual_volume;
unsigned c;
- /* This basically calculates i->virtual_volume := i->virtual_volume * s->virtual_volume / old_volume */
-
- remapped_new_volume = s->virtual_volume;
- pa_cvolume_remap(&remapped_new_volume, &s->channel_map, &i->channel_map);
+ /* This basically calculates i->virtual_volume := i->relative_volume * s->virtual_volume */
- remapped_old_volume = *old_volume;
- pa_cvolume_remap(&remapped_old_volume, &s->channel_map, &i->channel_map);
+ sink_volume = s->virtual_volume;
+ pa_cvolume_remap(&sink_volume, &s->channel_map, &i->channel_map);
for (c = 0; c < i->sample_spec.channels; c++)
-
- if (remapped_old_volume.values[c] <= PA_VOLUME_MUTED)
- new_virtual_volume.values[c] = remapped_new_volume.values[c];
- else
- new_virtual_volume.values[c] = pa_sw_volume_from_linear(
- pa_sw_volume_to_linear(i->virtual_volume.values[c]) *
- pa_sw_volume_to_linear(remapped_new_volume.values[c]) /
- pa_sw_volume_to_linear(remapped_old_volume.values[c]));
+ new_virtual_volume.values[c] = pa_sw_volume_from_linear(
+ i->relative_volume[c] *
+ pa_sw_volume_to_linear(sink_volume.values[c]));
new_virtual_volume.channels = i->sample_spec.channels;
* especially when the old volume was
* PA_VOLUME_MUTED. Hence let's recalculate the soft
* volumes here. */
- compute_new_soft_volume(i, &remapped_new_volume);
+ compute_new_soft_volume(i, &sink_volume);
/* The virtual volume changed, let's tell people so */
pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
/* Called from main thread */
void pa_sink_set_volume(pa_sink *s, const pa_cvolume *volume, pa_bool_t propagate, pa_bool_t sendmsg) {
- pa_cvolume old_virtual_volume;
pa_bool_t virtual_volume_changed;
pa_sink_assert_ref(s);
pa_assert(pa_cvolume_valid(volume));
pa_assert(pa_cvolume_compatible(volume, &s->sample_spec));
- old_virtual_volume = s->virtual_volume;
+ virtual_volume_changed = !pa_cvolume_equal(volume, &s->virtual_volume);
s->virtual_volume = *volume;
- virtual_volume_changed = !pa_cvolume_equal(&old_virtual_volume, &s->virtual_volume);
/* Propagate this volume change back to the inputs */
if (virtual_volume_changed)
if (propagate && (s->flags & PA_SINK_FLAT_VOLUME))
- pa_sink_propagate_flat_volume(s, &old_virtual_volume);
+ pa_sink_propagate_flat_volume(s);
if (s->set_volume) {
/* If we have a function set_volume(), then we do not apply a
if (!pa_cvolume_equal(&old_virtual_volume, &s->virtual_volume)) {
if (s->flags & PA_SINK_FLAT_VOLUME)
- pa_sink_propagate_flat_volume(s, &old_virtual_volume);
+ pa_sink_propagate_flat_volume(s);
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
pa_sink_assert_ref(s);
+ if (!(s->flags & PA_SINK_DYNAMIC_LATENCY))
+ return PA_CLAMP(s->fixed_latency, s->thread_info.min_latency, s->thread_info.max_latency);
+
if (s->thread_info.requested_latency_valid)
return s->thread_info.requested_latency;
(result == (pa_usec_t) -1 || result > monitor_latency))
result = monitor_latency;
- if (result != (pa_usec_t) -1) {
- if (result > s->thread_info.max_latency)
- result = s->thread_info.max_latency;
-
- if (result < s->thread_info.min_latency)
- result = s->thread_info.min_latency;
- }
+ if (result != (pa_usec_t) -1)
+ result = PA_CLAMP(result, s->thread_info.min_latency, s->thread_info.max_latency);
s->thread_info.requested_latency = result;
s->thread_info.requested_latency_valid = TRUE;
pa_sink_assert_ref(s);
+ if (!(s->flags & PA_SINK_DYNAMIC_LATENCY))
+ return;
+
s->thread_info.requested_latency_valid = FALSE;
if (PA_SINK_IS_LINKED(s->thread_info.state)) {