diff --git a/jni/pjproject-android/pjmedia/include/pjmedia-audiodev/errno.h b/jni/pjproject-android/pjmedia/include/pjmedia-audiodev/errno.h
new file mode 100644
index 0000000..f2be9b3
--- /dev/null
+++ b/jni/pjproject-android/pjmedia/include/pjmedia-audiodev/errno.h
@@ -0,0 +1,225 @@
+/* $Id: errno.h 4432 2013-03-08 08:02:48Z riza $ */
+/* 
+ * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
+ */
+#ifndef __PJMEDIA_AUDIODEV_AUDIODEV_ERRNO_H__
+#define __PJMEDIA_AUDIODEV_AUDIODEV_ERRNO_H__
+
+/**
+ * @file errno.h Error Codes
+ * @brief Audiodev specific error codes.
+ */
+
+#include <pjmedia-audiodev/config.h>
+#include <pj/errno.h>
+
+/**
+ * @defgroup error_codes Error Codes
+ * @ingroup audio_device_api
+ * @brief Audio devive library specific error codes.
+ * @{
+ */
+
+
+PJ_BEGIN_DECL
+
+
+/**
+ * Start of error code relative to PJ_ERRNO_START_USER.
+ * This value is 420000.
+ */
+#define PJMEDIA_AUDIODEV_ERRNO_START \
+	    (PJ_ERRNO_START_USER + PJ_ERRNO_SPACE_SIZE*5)
+#define PJMEDIA_AUDIODEV_ERRNO_END   \
+	    (PJMEDIA_AUDIODEV_ERRNO_START + PJ_ERRNO_SPACE_SIZE - 1)
+
+
+/**
+ * Mapping from PortAudio error codes to pjmedia error space.
+ */
+#define PJMEDIA_AUDIODEV_PORTAUDIO_ERRNO_START \
+	    (PJMEDIA_AUDIODEV_ERRNO_END-10000)
+#define PJMEDIA_AUDIODEV_PORTAUDIO_ERRNO_END   \
+	    (PJMEDIA_AUDIODEV_PORTAUDIO_ERRNO_START + 10000 -1)
+/**
+ * Convert PortAudio error code to PJLIB error code.
+ * PortAudio error code range: 0 >= err >= -10000
+ */
+#define PJMEDIA_AUDIODEV_ERRNO_FROM_PORTAUDIO(err) \
+	    ((int)PJMEDIA_AUDIODEV_PORTAUDIO_ERRNO_START-err)
+
+/**
+ * Mapping from Windows multimedia WaveIn error codes.
+ */
+#define PJMEDIA_AUDIODEV_WMME_IN_ERROR_START	\
+	    (PJMEDIA_AUDIODEV_ERRNO_START + 30000)
+#define PJMEDIA_AUDIODEV_WMME_IN_ERROR_END	\
+	    (PJMEDIA_AUDIODEV_WMME_IN_ERROR_START + 1000 - 1)
+/**
+ * Convert WaveIn operation error codes to PJLIB error space.
+ */
+#define PJMEDIA_AUDIODEV_ERRNO_FROM_WMME_IN(err) \
+	    ((int)PJMEDIA_AUDIODEV_WMME_IN_ERROR_START+err)
+
+
+/**
+ * Mapping from Windows multimedia WaveOut error codes.
+ */
+#define PJMEDIA_AUDIODEV_WMME_OUT_ERROR_START	\
+	    (PJMEDIA_AUDIODEV_WMME_IN_ERROR_END + 1000)
+#define PJMEDIA_AUDIODEV_WMME_OUT_ERROR_END	\
+	    (PJMEDIA_AUDIODEV_WMME_OUT_ERROR_START + 1000)
+/**
+ * Convert WaveOut operation error codes to PJLIB error space.
+ */
+#define PJMEDIA_AUDIODEV_ERRNO_FROM_WMME_OUT(err) \
+	    ((int)PJMEDIA_AUDIODEV_WMME_OUT_ERROR_START+err)
+
+
+/**
+ * Mapping from CoreAudio error codes to pjmedia error space.
+ */
+#define PJMEDIA_AUDIODEV_COREAUDIO_ERRNO_START \
+	    (PJMEDIA_AUDIODEV_ERRNO_START+20000)
+#define PJMEDIA_AUDIODEV_COREAUDIO_ERRNO_END   \
+	    (PJMEDIA_AUDIODEV_COREAUDIO_ERRNO_START + 20000 -1)
+/**
+ * Convert CoreAudio error code to PJLIB error code.
+ * CoreAudio error code range: 0 >= err >= -10000
+ */
+#define PJMEDIA_AUDIODEV_ERRNO_FROM_COREAUDIO(err) \
+	    ((int)PJMEDIA_AUDIODEV_COREAUDIO_ERRNO_START-err)
+
+/**
+ * Mapping from BDIMAD error codes to pjmedia error space.
+ */
+#define PJMEDIA_AUDIODEV_BDIMAD_ERROR_START	\
+	    (PJMEDIA_AUDIODEV_ERRNO_START + 40000)
+#define PJMEDIA_AUDIODEV_BDIMAD_ERROR_END	\
+	    (PJMEDIA_AUDIODEV_BDIMAD_ERROR_START + 2000 - 1)
+/**
+ * Convert BDIMAD error codes to PJLIB error space.
+ */
+#define PJMEDIA_AUDIODEV_ERRNO_FROM_BDIMAD(err) \
+	    ((int)PJMEDIA_AUDIODEV_BDIMAD_ERROR_START+err)
+
+/************************************************************
+ * Audio Device API error codes
+ ***********************************************************/
+/**
+ * @hideinitializer
+ * General/unknown error.
+ */
+#define PJMEDIA_EAUD_ERR	(PJMEDIA_AUDIODEV_ERRNO_START+1) /* 420001 */
+
+/**
+ * @hideinitializer
+ * Unknown error from audio driver
+ */
+#define PJMEDIA_EAUD_SYSERR	(PJMEDIA_AUDIODEV_ERRNO_START+2) /* 420002 */
+
+/**
+ * @hideinitializer
+ * Audio subsystem not initialized
+ */
+#define PJMEDIA_EAUD_INIT	(PJMEDIA_AUDIODEV_ERRNO_START+3) /* 420003 */
+
+/**
+ * @hideinitializer
+ * Invalid audio device
+ */
+#define PJMEDIA_EAUD_INVDEV	(PJMEDIA_AUDIODEV_ERRNO_START+4) /* 420004 */
+
+/**
+ * @hideinitializer
+ * Found no devices
+ */
+#define PJMEDIA_EAUD_NODEV	(PJMEDIA_AUDIODEV_ERRNO_START+5) /* 420005 */
+
+/**
+ * @hideinitializer
+ * Unable to find default device
+ */
+#define PJMEDIA_EAUD_NODEFDEV	(PJMEDIA_AUDIODEV_ERRNO_START+6) /* 420006 */
+
+/**
+ * @hideinitializer
+ * Device not ready
+ */
+#define PJMEDIA_EAUD_NOTREADY	(PJMEDIA_AUDIODEV_ERRNO_START+7) /* 420007 */
+
+/**
+ * @hideinitializer
+ * The audio capability is invalid or not supported
+ */
+#define PJMEDIA_EAUD_INVCAP	(PJMEDIA_AUDIODEV_ERRNO_START+8) /* 420008 */
+
+/**
+ * @hideinitializer
+ * The operation is invalid or not supported
+ */
+#define PJMEDIA_EAUD_INVOP	(PJMEDIA_AUDIODEV_ERRNO_START+9) /* 420009 */
+
+/**
+ * @hideinitializer
+ * Bad or invalid audio device format
+ */
+#define PJMEDIA_EAUD_BADFORMAT	(PJMEDIA_AUDIODEV_ERRNO_START+10) /* 4200010 */
+
+/**
+ * @hideinitializer
+ * Invalid audio device sample format
+ */
+#define PJMEDIA_EAUD_SAMPFORMAT	(PJMEDIA_AUDIODEV_ERRNO_START+11) /* 4200011 */
+
+/**
+ * @hideinitializer
+ * Bad latency setting
+ */
+#define PJMEDIA_EAUD_BADLATENCY	(PJMEDIA_AUDIODEV_ERRNO_START+12) /* 4200012 */
+
+
+
+
+
+/**
+ * Get error message for the specified error code. Note that this
+ * function is only able to decode PJMEDIA Audiodev specific error code.
+ * Application should use pj_strerror(), which should be able to
+ * decode all error codes belonging to all subsystems (e.g. pjlib,
+ * pjmedia, pjsip, etc).
+ *
+ * @param status    The error code.
+ * @param buffer    The buffer where to put the error message.
+ * @param bufsize   Size of the buffer.
+ *
+ * @return	    The error message as NULL terminated string,
+ *                  wrapped with pj_str_t.
+ */
+PJ_DECL(pj_str_t) pjmedia_audiodev_strerror(pj_status_t status, char *buffer,
+					    pj_size_t bufsize);
+
+
+PJ_END_DECL
+
+/**
+ * @}
+ */
+
+
+#endif	/* __PJMEDIA_AUDIODEV_AUDIODEV_ERRNO_H__ */
+