Ref #1068 (misc fixes): added facility to change device ID at run time in pjsystest


git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@3163 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjsip-apps/src/pjsystest/systest.h b/pjsip-apps/src/pjsystest/systest.h
index d2b7ed1..18f0c18 100644
--- a/pjsip-apps/src/pjsystest/systest.h
+++ b/pjsip-apps/src/pjsystest/systest.h
@@ -24,8 +24,8 @@
 /*
  * Overrideable parameters
  */
-#define REC_DEV_ID			PJMEDIA_AUD_DEFAULT_CAPTURE_DEV
-#define PLAY_DEV_ID			PJMEDIA_AUD_DEFAULT_PLAYBACK_DEV
+#define REC_DEV_ID			systest_cap_dev_id
+#define PLAY_DEV_ID			systest_play_dev_id
 //#define REC_DEV_ID			5
 //#define PLAY_DEV_ID			5
 #define OVERRIDE_AUDDEV_REC_LAT		0
@@ -74,6 +74,10 @@
 void	    systest_save_result(const char *filename);
 void	    systest_deinit(void);
 
+/* Device ID to test */
+extern int systest_cap_dev_id;
+extern int systest_play_dev_id;
+
 /* Test item is used to record the test result */
 typedef struct test_item_t
 {