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Diffstat (limited to 'src/pulsecore/sink-input.c')
-rw-r--r--src/pulsecore/sink-input.c204
1 files changed, 180 insertions, 24 deletions
diff --git a/src/pulsecore/sink-input.c b/src/pulsecore/sink-input.c
index 283d0265..0c421da3 100644
--- a/src/pulsecore/sink-input.c
+++ b/src/pulsecore/sink-input.c
@@ -115,7 +115,13 @@ void pa_sink_input_new_data_set_channel_map(pa_sink_input_new_data *data, const
pa_bool_t pa_sink_input_new_data_is_volume_writable(pa_sink_input_new_data *data) {
pa_assert(data);
- return !(data->flags & PA_SINK_INPUT_PASSTHROUGH);
+ if (data->flags & PA_SINK_INPUT_PASSTHROUGH)
+ return FALSE;
+
+ if (data->origin_sink && (data->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
+ return FALSE;
+
+ return TRUE;
}
void pa_sink_input_new_data_set_volume(pa_sink_input_new_data *data, const pa_cvolume *volume) {
@@ -337,7 +343,7 @@ int pa_sink_input_new(
i->sample_spec = data->sample_spec;
i->channel_map = data->channel_map;
- if ((i->sink->flags & PA_SINK_FLAT_VOLUME) && !data->volume_is_absolute) {
+ if (!data->volume_is_absolute && pa_sink_flat_volume_enabled(i->sink)) {
pa_cvolume remapped;
/* When the 'absolute' bool is not set then we'll treat the volume
@@ -532,7 +538,7 @@ void pa_sink_input_unlink(pa_sink_input *i) {
if (linked && i->sink) {
/* We might need to update the sink's volume if we are in flat volume mode. */
- if (i->sink->flags & PA_SINK_FLAT_VOLUME)
+ if (pa_sink_flat_volume_enabled(i->sink))
pa_sink_set_volume(i->sink, NULL, FALSE, FALSE);
if (i->sink->asyncmsgq)
@@ -619,10 +625,16 @@ void pa_sink_input_put(pa_sink_input *i) {
i->state = state;
/* We might need to update the sink's volume if we are in flat volume mode. */
- if (i->sink->flags & PA_SINK_FLAT_VOLUME)
+ if (pa_sink_flat_volume_enabled(i->sink))
pa_sink_set_volume(i->sink, NULL, FALSE, i->save_volume);
- else
+ else {
+ if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
+ pa_assert(pa_cvolume_is_norm(&i->volume));
+ pa_assert(pa_cvolume_is_norm(&i->reference_ratio));
+ }
+
set_real_ratio(i, &i->volume);
+ }
i->thread_info.soft_volume = i->soft_volume;
i->thread_info.muted = i->muted;
@@ -1079,7 +1091,13 @@ pa_bool_t pa_sink_input_is_volume_writable(pa_sink_input *i) {
pa_sink_input_assert_ref(i);
pa_assert_ctl_context();
- return !(i->flags & PA_SINK_INPUT_PASSTHROUGH);
+ if (i->flags & PA_SINK_INPUT_PASSTHROUGH)
+ return FALSE;
+
+ if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
+ return FALSE;
+
+ return TRUE;
}
/* Called from main context */
@@ -1095,7 +1113,7 @@ pa_cvolume *pa_sink_input_get_volume(pa_sink_input *i, pa_cvolume *volume, pa_bo
pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
pa_assert(pa_sink_input_is_volume_readable(i));
- if (absolute || !(i->sink->flags & PA_SINK_FLAT_VOLUME))
+ if (absolute || !pa_sink_flat_volume_enabled(i->sink))
*volume = i->volume;
else
*volume = i->reference_ratio;
@@ -1266,7 +1284,7 @@ int pa_sink_input_start_move(pa_sink_input *i) {
if (pa_sink_input_get_state(i) == PA_SINK_INPUT_CORKED)
pa_assert_se(i->sink->n_corked-- >= 1);
- if (i->sink->flags & PA_SINK_FLAT_VOLUME)
+ if (pa_sink_flat_volume_enabled(i->sink))
/* We might need to update the sink's volume if we are in flat
* volume mode. */
pa_sink_set_volume(i->sink, NULL, FALSE, FALSE);
@@ -1282,6 +1300,156 @@ int pa_sink_input_start_move(pa_sink_input *i) {
return 0;
}
+/* Called from main context. If i has an origin sink that uses volume sharing,
+ * then also the origin sink and all streams connected to it need to update
+ * their volume - this function does all that by using recursion. */
+static void update_volume_due_to_moving(pa_sink_input *i, pa_sink *dest) {
+ pa_cvolume old_volume;
+
+ pa_assert(i);
+ pa_assert(dest);
+ pa_assert(i->sink); /* The destination sink should already be set. */
+
+ if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
+ pa_sink *root_sink = i->sink;
+ pa_sink_input *origin_sink_input;
+ uint32_t idx;
+
+ while (root_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)
+ root_sink = root_sink->input_to_master->sink;
+
+ if (pa_sink_flat_volume_enabled(i->sink)) {
+ /* Ok, so the origin sink uses volume sharing, and flat volume is
+ * enabled. The volume will have to be updated as follows:
+ *
+ * i->volume := i->sink->real_volume
+ * (handled later by pa_sink_set_volume)
+ * i->reference_ratio := i->volume / i->sink->reference_volume
+ * (handled later by pa_sink_set_volume)
+ * i->real_ratio stays unchanged
+ * (streams whose origin sink uses volume sharing should
+ * always have real_ratio of 0 dB)
+ * i->soft_volume stays unchanged
+ * (streams whose origin sink uses volume sharing should
+ * always have volume_factor as soft_volume, so no change
+ * should be needed) */
+
+ pa_assert(pa_cvolume_is_norm(&i->real_ratio));
+ pa_assert(pa_cvolume_equal(&i->soft_volume, &i->volume_factor));
+
+ /* Notifications will be sent by pa_sink_set_volume(). */
+
+ } else {
+ /* Ok, so the origin sink uses volume sharing, and flat volume is
+ * disabled. The volume will have to be updated as follows:
+ *
+ * i->volume := 0 dB
+ * i->reference_ratio := 0 dB
+ * i->real_ratio stays unchanged
+ * (streams whose origin sink uses volume sharing should
+ * always have real_ratio of 0 dB)
+ * i->soft_volume stays unchanged
+ * (streams whose origin sink uses volume sharing should
+ * always have volume_factor as soft_volume, so no change
+ * should be needed) */
+
+ old_volume = i->volume;
+ pa_cvolume_reset(&i->volume, i->volume.channels);
+ pa_cvolume_reset(&i->reference_ratio, i->reference_ratio.channels);
+ pa_assert(pa_cvolume_is_norm(&i->real_ratio));
+ pa_assert(pa_cvolume_equal(&i->soft_volume, &i->volume_factor));
+
+ /* Notify others about the changed sink input volume. */
+ if (!pa_cvolume_equal(&i->volume, &old_volume)) {
+ if (i->volume_changed)
+ i->volume_changed(i);
+
+ pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
+ }
+ }
+
+ /* Additionally, the origin sink volume needs updating:
+ *
+ * i->origin_sink->reference_volume := root_sink->reference_volume
+ * i->origin_sink->real_volume := root_sink->real_volume
+ * i->origin_sink->soft_volume stays unchanged
+ * (sinks that use volume sharing should always have
+ * soft_volume of 0 dB) */
+
+ old_volume = i->origin_sink->reference_volume;
+
+ i->origin_sink->reference_volume = root_sink->reference_volume;
+ pa_cvolume_remap(&i->origin_sink->reference_volume, &root_sink->channel_map, &i->origin_sink->channel_map);
+
+ i->origin_sink->real_volume = root_sink->real_volume;
+ pa_cvolume_remap(&i->origin_sink->real_volume, &root_sink->channel_map, &i->origin_sink->channel_map);
+
+ pa_assert(pa_cvolume_is_norm(&i->origin_sink->soft_volume));
+
+ /* Notify others about the changed sink volume. If you wonder whether
+ * i->origin_sink->set_volume() should be called somewhere, that's not
+ * the case, because sinks that use volume sharing shouldn't have any
+ * internal volume that set_volume() would update. If you wonder
+ * whether the thread_info variables should be synced, yes, they
+ * should, and it's done by the PA_SINK_MESSAGE_FINISH_MOVE message
+ * handler. */
+ if (!pa_cvolume_equal(&i->origin_sink->reference_volume, &old_volume))
+ pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, i->origin_sink->index);
+
+ /* Recursively update origin sink inputs. */
+ PA_IDXSET_FOREACH(origin_sink_input, i->origin_sink->inputs, idx)
+ update_volume_due_to_moving(origin_sink_input, dest);
+
+ } else {
+ old_volume = i->volume;
+
+ if (pa_sink_flat_volume_enabled(i->sink)) {
+ /* Ok, so this is a regular stream, and flat volume is enabled. The
+ * volume will have to be updated as follows:
+ *
+ * i->volume := i->reference_ratio * i->sink->reference_volume
+ * i->reference_ratio stays unchanged
+ * i->real_ratio := i->volume / i->sink->real_volume
+ * (handled later by pa_sink_set_volume)
+ * i->soft_volume := i->real_ratio * i->volume_factor
+ * (handled later by pa_sink_set_volume) */
+
+ i->volume = i->sink->reference_volume;
+ pa_cvolume_remap(&i->volume, &i->sink->channel_map, &i->channel_map);
+ pa_sw_cvolume_multiply(&i->volume, &i->volume, &i->reference_ratio);
+
+ } else {
+ /* Ok, so this is a regular stream, and flat volume is disabled.
+ * The volume will have to be updated as follows:
+ *
+ * i->volume := i->reference_ratio
+ * i->reference_ratio stays unchanged
+ * i->real_ratio := i->reference_ratio
+ * i->soft_volume := i->real_ratio * i->volume_factor */
+
+ i->volume = i->reference_ratio;
+ i->real_ratio = i->reference_ratio;
+ pa_sw_cvolume_multiply(&i->soft_volume, &i->real_ratio, &i->volume_factor);
+ }
+
+ /* Notify others about the changed sink input volume. */
+ if (!pa_cvolume_equal(&i->volume, &old_volume)) {
+ /* XXX: In case i->sink has flat volume enabled, then real_ratio
+ * and soft_volume are not updated yet. Let's hope that the
+ * callback implementation doesn't care about those variables... */
+ if (i->volume_changed)
+ i->volume_changed(i);
+
+ pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
+ }
+ }
+
+ /* If i->sink == dest, then recursion has finished, and we can finally call
+ * pa_sink_set_volume(), which will do the rest of the updates. */
+ if ((i->sink == dest) && pa_sink_flat_volume_enabled(i->sink))
+ pa_sink_set_volume(i->sink, NULL, FALSE, i->save_volume);
+}
+
/* Called from main context */
int pa_sink_input_finish_move(pa_sink_input *i, pa_sink *dest, pa_bool_t save) {
pa_resampler *new_resampler;
@@ -1355,17 +1523,7 @@ int pa_sink_input_finish_move(pa_sink_input *i, pa_sink *dest, pa_bool_t save) {
}
pa_sink_update_status(dest);
- if (i->sink->flags & PA_SINK_FLAT_VOLUME) {
- pa_cvolume remapped;
-
- /* Make relative volumes absolute */
- remapped = dest->reference_volume;
- pa_cvolume_remap(&remapped, &dest->channel_map, &i->channel_map);
- pa_sw_cvolume_multiply(&i->volume, &i->reference_ratio, &remapped);
-
- /* We might need to update the sink's volume if we are in flat volume mode. */
- pa_sink_set_volume(i->sink, NULL, FALSE, i->save_volume);
- }
+ update_volume_due_to_moving(i, dest);
pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_FINISH_MOVE, i, 0, NULL) == 0);
@@ -1374,9 +1532,6 @@ int pa_sink_input_finish_move(pa_sink_input *i, pa_sink *dest, pa_bool_t save) {
/* Notify everyone */
pa_hook_fire(&i->core->hooks[PA_CORE_HOOK_SINK_INPUT_MOVE_FINISH], i);
- if (i->volume_changed)
- i->volume_changed(i);
-
pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
return 0;
@@ -1876,7 +2031,7 @@ void pa_sink_input_set_volume_with_ramping(pa_sink_input *i, const pa_cvolume *v
pa_assert(volume->channels == 1 || pa_cvolume_compatible(volume, &i->sample_spec));
pa_assert(pa_sink_input_is_volume_writable(i));
- if ((i->sink->flags & PA_SINK_FLAT_VOLUME) && !absolute) {
+ if (!absolute && pa_sink_flat_volume_enabled(i->sink)) {
v = i->sink->reference_volume;
pa_cvolume_remap(&v, &i->sink->channel_map, &i->channel_map);
@@ -1911,7 +2066,7 @@ void pa_sink_input_set_volume_with_ramping(pa_sink_input *i, const pa_cvolume *v
if (t > 0 && target_virtual_volume > 0)
pa_atomic_store(&i->before_ramping_v, 1);
- if (i->sink->flags & PA_SINK_FLAT_VOLUME) {
+ if (pa_sink_flat_volume_enabled(i->sink)) {
/* We are in flat volume mode, so let's update all sink input
* volumes and update the flat volume of the sink */
@@ -1920,6 +2075,7 @@ void pa_sink_input_set_volume_with_ramping(pa_sink_input *i, const pa_cvolume *v
} else {
/* OK, we are in normal volume mode. The volume only affects
* ourselves */
+ i->reference_ratio = *volume;
set_real_ratio(i, volume);
/* Copy the new soft_volume to the thread_info struct */