+/* Called from main context */
+void pa_sink_input_set_volume(pa_sink_input *i, const pa_cvolume *volume, bool save, bool absolute) {
+ pa_cvolume v;
+
+ pa_sink_input_assert_ref(i);
+ pa_assert_ctl_context();
+ pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
+ pa_assert(volume);
+ pa_assert(pa_cvolume_valid(volume));
+ pa_assert(volume->channels == 1 || pa_cvolume_compatible(volume, &i->sample_spec));
+ pa_assert(i->volume_writable);
+
+ 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);
+
+ if (pa_cvolume_compatible(volume, &i->sample_spec))
+ volume = pa_sw_cvolume_multiply(&v, &v, volume);
+ else
+ volume = pa_sw_cvolume_multiply_scalar(&v, &v, pa_cvolume_max(volume));
+ } else {
+ if (!pa_cvolume_compatible(volume, &i->sample_spec)) {
+ v = i->volume;
+ volume = pa_cvolume_scale(&v, pa_cvolume_max(volume));
+ }
+ }
+
+ if (pa_cvolume_equal(volume, &i->volume)) {
+ i->save_volume = i->save_volume || save;
+ return;
+ }
+
+ pa_sink_input_set_volume_direct(i, volume);
+ i->save_volume = save;
+
+ 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 */
+
+ pa_sink_set_volume(i->sink, NULL, true, save);
+
+ } else {
+ /* OK, we are in normal volume mode. The volume only affects
+ * ourselves */
+ set_real_ratio(i, volume);
+ i->reference_ratio = i->volume;
+
+ /* Copy the new soft_volume to the thread_info struct */
+ pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_SET_SOFT_VOLUME, NULL, 0, NULL) == 0);
+ }
+}
+
+void pa_sink_input_add_volume_factor(pa_sink_input *i, const char *key, const pa_cvolume *volume_factor) {
+ struct volume_factor_entry *v;
+
+ pa_sink_input_assert_ref(i);
+ pa_assert_ctl_context();
+ pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
+ pa_assert(volume_factor);
+ pa_assert(key);
+ pa_assert(pa_cvolume_valid(volume_factor));
+ pa_assert(volume_factor->channels == 1 || pa_cvolume_compatible(volume_factor, &i->sample_spec));
+
+ v = volume_factor_entry_new(key, volume_factor);
+ if (!pa_cvolume_compatible(volume_factor, &i->sample_spec))
+ pa_cvolume_set(&v->volume, i->sample_spec.channels, volume_factor->values[0]);
+
+ pa_assert_se(pa_hashmap_put(i->volume_factor_items, v->key, v) >= 0);
+ if (pa_hashmap_size(i->volume_factor_items) == 1)
+ i->volume_factor = v->volume;
+ else
+ pa_sw_cvolume_multiply(&i->volume_factor, &i->volume_factor, &v->volume);
+
+ pa_sw_cvolume_multiply(&i->soft_volume, &i->real_ratio, &i->volume_factor);
+
+ /* Copy the new soft_volume to the thread_info struct */
+ pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_SET_SOFT_VOLUME, NULL, 0, NULL) == 0);
+}
+
+/* Returns 0 if an entry was removed and -1 if no entry for the given key was
+ * found. */
+int pa_sink_input_remove_volume_factor(pa_sink_input *i, const char *key) {
+ struct volume_factor_entry *v;
+
+ pa_sink_input_assert_ref(i);
+ pa_assert(key);
+ pa_assert_ctl_context();
+ pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
+
+ if (pa_hashmap_remove_and_free(i->volume_factor_items, key) < 0)
+ return -1;
+
+ switch (pa_hashmap_size(i->volume_factor_items)) {
+ case 0:
+ pa_cvolume_reset(&i->volume_factor, i->sample_spec.channels);
+ break;
+ case 1:
+ v = pa_hashmap_first(i->volume_factor_items);
+ i->volume_factor = v->volume;
+ break;
+ default:
+ volume_factor_from_hashmap(&i->volume_factor, i->volume_factor_items, i->volume_factor.channels);
+ }
+
+ pa_sw_cvolume_multiply(&i->soft_volume, &i->real_ratio, &i->volume_factor);
+
+ /* Copy the new soft_volume to the thread_info struct */
+ pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_SET_SOFT_VOLUME, NULL, 0, NULL) == 0);
+
+ return 0;
+}
+