From e649ebc7c77b3e552aa5e86a931927779222e6a6 Mon Sep 17 00:00:00 2001
From: Benjamin Franzke <benjaminfranzke@googlemail.com>
Date: Mon, 19 Dec 2011 09:33:53 +0100
Subject: Add support for switching recording sources

---
 src/command.c     | 39 +++++++++++++++++++++++++--------------
 src/pa-sink-ctl.c |  2 ++
 src/sink.h        |  3 +++
 3 files changed, 30 insertions(+), 14 deletions(-)

diff --git a/src/command.c b/src/command.c
index c410832..8cf5235 100644
--- a/src/command.c
+++ b/src/command.c
@@ -154,42 +154,53 @@ switch_sink(struct context *ctx, int key)
 {
 	struct interface *ifc = &ctx->interface;
 	struct slave_ctl *t;
-	struct vol_ctl *input, *sink;
+	struct vol_ctl *cslave, *cparent;
+	struct main_ctl *mcparent;
 	pa_operation *o;
 	gint i;
+	GList **list;
+	int offset;
 
 	if (!ctx->context_ready)
 		return;
 
-
-	input = interface_get_current_ctl(&ctx->interface, &sink);
-	if (!input || !sink)
+	cslave = interface_get_current_ctl(&ctx->interface, &cparent);
+	if (!cslave || !cparent)
 		return;
 
-	if (g_list_length(ctx->sink_list) <= 1)
+	mcparent = (struct main_ctl *) cparent;
+	if (*mcparent->childs_list == ctx->input_list) {
+		list = &ctx->sink_list;
+		offset = 0;
+	} else {
+		list = &ctx->source_list;
+		offset = g_list_length(ctx->sink_list);
+	}
+
+	if (g_list_length(*list) <= 1)
 		return;
 
-	if (ifc->chooser_sink < (gint) g_list_length(ctx->sink_list) - 1)
+	if (ifc->chooser_sink < (gint) (offset + g_list_length(*list) - 1))
 		ifc->chooser_sink++;
 	else
-		ifc->chooser_sink = 0;
+		ifc->chooser_sink = offset;
 
-	sink = g_list_nth_data(ctx->sink_list, ifc->chooser_sink);
+	mcparent = g_list_nth_data(*list, ifc->chooser_sink - offset);
 	/* chooser_input needs to be derived from $selected_index */
-	o = pa_context_move_sink_input_by_index(ctx->context,
-						input->index, sink->index,
-						NULL, NULL);
+	o = mcparent->move_child(ctx->context,
+				 cslave->index, mcparent->base.index,
+				 NULL, NULL);
 	pa_operation_unref(o);
 
 	/* get new chooser_input, if non, select sink as fallback */
 	ifc->chooser_input = SELECTED_SINK; 
 	i = -1;
-	list_foreach(ctx->input_list, t) {
-		if (t->base.index == input->index) {
+	list_foreach(*mcparent->childs_list, t) {
+		if (t->base.index == cslave->index) {
 			ifc->chooser_input = ++i;
 			break;
 		}
-		if (t->parent_index == sink->index)
+		if (t->parent_index == mcparent->base.index)
 			++i;
 	}
 }
diff --git a/src/pa-sink-ctl.c b/src/pa-sink-ctl.c
index 2bad8bd..f6b6fb4 100644
--- a/src/pa-sink-ctl.c
+++ b/src/pa-sink-ctl.c
@@ -112,6 +112,7 @@ sink_info_cb(pa_context *c, const pa_sink_info *i,
 		sink->base.mute_set = pa_context_set_sink_mute_by_index;
 		sink->base.volume_set = pa_context_set_sink_volume_by_index;
 		sink->base.childs_foreach = main_ctl_childs_foreach;
+		sink->move_child = pa_context_move_sink_input_by_index;
 		sink->childs_list = &ctx->input_list;
 
 		sink->priority = get_priority(ctx, i->proplist);
@@ -159,6 +160,7 @@ source_info_cb(pa_context *c, const pa_source_info *i,
 		source->base.mute_set = pa_context_set_source_mute_by_index;
 		source->base.volume_set = pa_context_set_source_volume_by_index;
 		source->base.childs_foreach = main_ctl_childs_foreach;
+		source->move_child = pa_context_move_source_output_by_index;
 		source->childs_list = &ctx->output_list;
 
 		source->priority = get_priority(ctx, i->proplist);
diff --git a/src/sink.h b/src/sink.h
index 5f9bc61..eb169b1 100644
--- a/src/sink.h
+++ b/src/sink.h
@@ -49,6 +49,9 @@ struct main_ctl {
 	gint priority;
 
 	GList **childs_list;
+
+	pa_operation *(*move_child)(pa_context *, guint32 idx, guint32 parent_idx,
+				    pa_context_success_cb_t, gpointer);
 };
 
 struct slave_ctl {
-- 
cgit