pa_return_val_if_fail(pa_channel_map_compatible(&data->channel_map, &data->sample_spec), -PA_ERR_INVALID);
- /* Don't restore (or save) stream volume for passthrough streams */
+ /* Don't restore (or save) stream volume for passthrough streams and
+ * prevent attenuation/gain */
if (pa_source_output_new_data_is_passthrough(data)) {
- data->volume_is_set = FALSE;
- data->volume_factor_is_set = FALSE;
+ data->volume_is_set = TRUE;
+ pa_cvolume_reset(&data->volume, data->sample_spec.channels);
+ data->volume_is_absolute = TRUE;
+ data->save_volume = FALSE;
}
if (!data->volume_is_set) {
o->state = PA_SOURCE_OUTPUT_UNLINKED;
if (linked && o->source) {
+ if (pa_source_output_is_passthrough(o))
+ pa_source_leave_passthrough(o->source);
+
/* We might need to update the source's volume if we are in flat volume mode. */
if (pa_source_flat_volume_enabled(o->source))
pa_source_set_volume(o->source, NULL, FALSE, FALSE);
set_real_ratio(o, &o->volume);
}
+ if (pa_source_output_is_passthrough(o))
+ pa_source_enter_passthrough(o->source);
+
o->thread_info.soft_volume = o->soft_volume;
o->thread_info.muted = o->muted;
if (pa_source_output_get_state(o) == PA_SOURCE_OUTPUT_CORKED)
pa_assert_se(origin->n_corked-- >= 1);
+ if (pa_source_output_is_passthrough(o))
+ pa_source_leave_passthrough(o->source);
+
if (pa_source_flat_volume_enabled(o->source))
/* We might need to update the source's volume if we are in flat
* volume mode. */
update_volume_due_to_moving(o, dest);
+ if (pa_source_output_is_passthrough(o))
+ pa_source_enter_passthrough(o->source);
+
pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_ADD_OUTPUT, o, 0, NULL) == 0);
pa_log_debug("Successfully moved source output %i to %s.", o->index, dest->name);
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_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_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 when a PASSTHROUGH output is connected */
- if (pa_source_is_passthrough(s)) {
- /* FIXME: Need to notify client that volume control is disabled */
+ /* 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;
}
pa_bool_t save_volume:1;
pa_bool_t save_muted:1;
+ /* Saved volume state while we're in passthrough mode */
+ pa_cvolume saved_volume;
+ pa_bool_t saved_save_volume:1;
+
pa_asyncmsgq *asyncmsgq;
pa_memchunk silence;
/* Is the source in passthrough mode? (that is, is this a monitor source for a sink
* that has a passthrough sink input connected to it. */
pa_bool_t pa_source_is_passthrough(pa_source *s);
+/* These should be called when a source enters/leaves passthrough mode */
+void pa_source_enter_passthrough(pa_source *s);
+void pa_source_leave_passthrough(pa_source *s);
void pa_source_set_volume(pa_source *source, const pa_cvolume *volume, pa_bool_t sendmsg, pa_bool_t save);
const pa_cvolume *pa_source_get_volume(pa_source *source, pa_bool_t force_refresh);