linux-alsa: Add ALSA audio input plugin (linux)

Closes jp9000/obs-studio#494

plugins/linux-alsa/linux-alsa.c

@@ -0,0 +1,29 @@
+/*
+Copyright (C) 2015. Guillermo A. Amaral B. <g@maral.me>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#include <obs-module.h>
+
+OBS_DECLARE_MODULE()
+OBS_MODULE_USE_DEFAULT_LOCALE("linux-alsa", "en-US")
+
+extern struct obs_source_info alsa_input_capture;
+
+bool obs_module_load(void)
+{
+	obs_register_source(&alsa_input_capture);
+	return true;
+}
+