diff --git a/jni/pjproject-android/.svn/pristine/95/951d5ab731ab6436d8ac5907456e2ce53c94d6f7.svn-base b/jni/pjproject-android/.svn/pristine/95/951d5ab731ab6436d8ac5907456e2ce53c94d6f7.svn-base
new file mode 100644
index 0000000..635bb0c
--- /dev/null
+++ b/jni/pjproject-android/.svn/pristine/95/951d5ab731ab6436d8ac5907456e2ce53c94d6f7.svn-base
@@ -0,0 +1,206 @@
+/* $Id$ */
+/* 
+ * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
+ * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
+ *
+ * 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_STEREO_H__
+#define __PJMEDIA_STEREO_H__
+
+/**
+ * @file stereo.h
+ * @brief Monochannel and multichannel converter.
+ */
+
+#include <pjmedia/errno.h>
+#include <pjmedia/port.h>
+#include <pjmedia/types.h>
+#include <pj/assert.h>
+
+
+/**
+ * @defgroup PJMEDIA_STEREO Monochannel and multichannel audio frame converter
+ * @ingroup PJMEDIA_FRAME_OP
+ * @brief Mono - multi-channels audio conversion
+ * @{
+ *
+ */
+
+PJ_BEGIN_DECL
+
+
+/**
+ * Multichannel to monochannel conversion mixes samples from all channels
+ * into the monochannel.
+ */
+#define PJMEDIA_STEREO_MIX  PJ_TRUE
+
+
+
+/**
+ * Multichannel to monochannel conversion, it has two operation mode specified
+ * by param options, @see pjmedia_stereo_options. This function can work safely
+ * using the same buffer (in place conversion).
+ *
+ * @param mono		    Output buffer to store the mono frame extracted 
+ *			    from the multichannels frame.
+ * @param multi		    Input frame containing multichannels audio.
+ * @param channel_count	    Number of channels in the input frame.
+ * @param samples_per_frame Number of samples in the input frame.
+ * @param mix		    If the value is PJ_TRUE then the input channels 
+ *			    will be mixed to produce output frame, otherwise
+ *			    only frame from channel_src will be copied to the
+ *			    output frame.
+ * @param channel_src	    When mixing is disabled, the mono output frame
+ *			    will be copied from this channel number.
+ *
+ * @return		    PJ_SUCCESS on success;
+ */
+PJ_INLINE(pj_status_t) pjmedia_convert_channel_nto1(pj_int16_t mono[],
+						    const pj_int16_t multi[],
+						    unsigned channel_count,
+						    unsigned samples_per_frame,
+						    pj_bool_t mix,
+						    unsigned channel_src)
+{
+    unsigned i;
+
+    PJ_ASSERT_RETURN(mono && multi && channel_count && samples_per_frame &&
+		     channel_src < channel_count,  PJ_EINVAL);
+
+    if (mix==PJ_FALSE) {
+	for (i = channel_src; i < samples_per_frame; i += channel_count) {
+	    *mono = multi[i];
+	    ++mono;
+	}
+    } else {
+	unsigned j;
+	for (i = 0; i < samples_per_frame; i += channel_count) {
+	    int tmp = 0;
+	    for(j = 0; j < channel_count; ++j)
+		tmp += multi[i+j];
+
+	    if (tmp > 32767) tmp = 32767;
+	    else if (tmp < -32768) tmp = -32768;
+	    *mono = (pj_int16_t) tmp;
+	    ++mono;
+	}
+    }
+
+    return PJ_SUCCESS;
+}
+
+
+/**
+ * Monochannel to multichannel conversion, it will just duplicate the samples
+ * from monochannel frame to all channels in the multichannel frame. 
+ * This function can work safely using the same buffer (in place conversion)
+ * as long as the buffer is big enough for the multichannel samples.
+ *
+ * @param multi		    Output buffer to store the multichannels frame 
+ *			    mixed from the mono frame.
+ * @param mono		    The input monochannel audio frame.
+ * @param channel_count	    Desired number of channels in the output frame.
+ * @param samples_per_frame Number of samples in the input frame.
+ * @param options	    Options for conversion, currently must be zero.
+ *
+ * @return		    PJ_SUCCESS on success;
+ */
+PJ_INLINE(pj_status_t) pjmedia_convert_channel_1ton(pj_int16_t multi[],
+						    const pj_int16_t mono[],
+						    unsigned channel_count,
+						    unsigned samples_per_frame,
+						    unsigned options)
+{
+    const pj_int16_t *src;
+
+    PJ_ASSERT_RETURN(mono && multi && channel_count && samples_per_frame, 
+		     PJ_EINVAL);
+    PJ_ASSERT_RETURN(options == 0, PJ_EINVAL);
+
+    PJ_UNUSED_ARG(options);
+
+    src = mono + samples_per_frame - 1;
+    samples_per_frame *= channel_count;
+    while (samples_per_frame) {
+	unsigned i;
+	for (i=1; i<=channel_count; ++i)
+	    multi[samples_per_frame-i] = *src;
+	samples_per_frame -= channel_count;
+	--src;
+    }
+
+    return PJ_SUCCESS;
+}
+
+
+/** 
+ * Options for channel converter port. The #pjmedia_stereo_options is also
+ * valid for this port options.
+ */
+typedef enum pjmedia_stereo_port_options
+{
+    /**
+     * Specifies whether this port should not destroy downstream port when 
+     * this port is destroyed.
+     */
+    PJMEDIA_STEREO_DONT_DESTROY_DN  = 4
+} pjmedia_stereo_port_options;
+
+
+/**
+ * Create a mono-multi channel converter port. This creates a converter session,
+ * which will adjust the samples of audio frame to a different channel count
+ * when the port's get_frame() and put_frame() is called.
+ *
+ * When the port's get_frame() is called, this port will get a frame from 
+ * the downstream port and convert the frame to the target channel count before
+ * returning it to the caller.
+ *
+ * When the port's put_frame() is called, this port will convert the frame
+ * to the downstream port's channel count before giving the frame to the 
+ * downstream port.
+ *
+ * @param pool			Pool to allocate the structure and buffers.
+ * @param dn_port		The downstream port, which channel count is to
+ *				be converted to the target channel count.
+ * @param channel_count		This port channel count.
+ * @param options		Bitmask flags from #pjmedia_stereo_port_options
+ *				and also application may add PJMEDIA_STEREO_MIX
+ *				to mix channels.
+ *				When this flag is zero, the default behavior
+ *				is to use simple N-to-1 channel converter and 
+ *				to destroy downstream port when this port is 
+ *				destroyed.
+ * @param p_port		Pointer to receive the stereo port instance.
+ *
+ * @return PJ_SUCCESS on success.
+ */
+PJ_DECL(pj_status_t) pjmedia_stereo_port_create( pj_pool_t *pool,
+						 pjmedia_port *dn_port,
+						 unsigned channel_count,
+						 unsigned options,
+						 pjmedia_port **p_port );
+
+PJ_END_DECL
+
+/**
+ * @}
+ */
+
+
+#endif	/* __PJMEDIA_STEREO_H__ */
+
diff --git a/jni/pjproject-android/.svn/pristine/95/95bc31ac1ba4683a6c699951724de91a5df8b4d1.svn-base b/jni/pjproject-android/.svn/pristine/95/95bc31ac1ba4683a6c699951724de91a5df8b4d1.svn-base
new file mode 100644
index 0000000..4ed62ee
--- /dev/null
+++ b/jni/pjproject-android/.svn/pristine/95/95bc31ac1ba4683a6c699951724de91a5df8b4d1.svn-base
@@ -0,0 +1,260 @@
+/* $Id$ */
+/* 
+ * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
+ * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
+ *
+ * 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_ECHO_H__
+#define __PJMEDIA_ECHO_H__
+
+
+/**
+ * @file echo.h
+ * @brief Echo Cancellation  API.
+ */
+#include <pjmedia/types.h>
+
+
+
+/**
+ * @defgroup PJMEDIA_Echo_Cancel Accoustic Echo Cancellation API
+ * @ingroup PJMEDIA_PORT
+ * @brief Echo Cancellation API.
+ * @{
+ *
+ * This section describes API to perform echo cancellation to audio signal.
+ * There may be multiple echo canceller implementation in PJMEDIA, ranging
+ * from simple echo suppressor to a full Accoustic Echo Canceller/AEC. By 
+ * using this API, application should be able to use which EC backend to
+ * use base on the requirement and capability of the platform.
+ */
+
+
+PJ_BEGIN_DECL
+
+
+/**
+ * Opaque type for PJMEDIA Echo Canceller state.
+ */
+typedef struct pjmedia_echo_state pjmedia_echo_state;
+
+
+/**
+ * Echo cancellation options.
+ */
+typedef enum pjmedia_echo_flag
+{
+    /**
+     * Use any available backend echo canceller algorithm. This is
+     * the default settings. This setting is mutually exclusive with
+     * PJMEDIA_ECHO_SIMPLE and PJMEDIA_ECHO_SPEEX.
+     */
+    PJMEDIA_ECHO_DEFAULT= 0,
+
+    /**
+     * Force to use Speex AEC as the backend echo canceller algorithm.
+     * This setting is mutually exclusive with PJMEDIA_ECHO_SIMPLE.
+     */
+    PJMEDIA_ECHO_SPEEX	= 1,
+
+    /**
+     * If PJMEDIA_ECHO_SIMPLE flag is specified during echo canceller
+     * creation, then a simple echo suppressor will be used instead of
+     * an accoustic echo cancellation. This setting is mutually exclusive
+     * with PJMEDIA_ECHO_SPEEX.
+     */
+    PJMEDIA_ECHO_SIMPLE	= 2,
+
+    /**
+     * For internal use.
+     */
+    PJMEDIA_ECHO_ALGO_MASK = 15,
+
+    /**
+     * If PJMEDIA_ECHO_NO_LOCK flag is specified, no mutex will be created
+     * for the echo canceller, but application will guarantee that echo
+     * canceller will not be called by different threads at the same time.
+     */
+    PJMEDIA_ECHO_NO_LOCK = 16,
+
+    /**
+     * If PJMEDIA_ECHO_USE_SIMPLE_FIFO flag is specified, the delay buffer
+     * created for the echo canceller will use simple FIFO mechanism, i.e.
+     * without using WSOLA to expand and shrink audio samples.
+     */
+    PJMEDIA_ECHO_USE_SIMPLE_FIFO = 32,
+
+    /**
+     * If PJMEDIA_ECHO_USE_SW_ECHO flag is specified, software echo canceller
+     * will be used instead of device EC.
+     */
+    PJMEDIA_ECHO_USE_SW_ECHO = 64
+
+} pjmedia_echo_flag;
+
+
+
+
+/**
+ * Create the echo canceller. 
+ *
+ * @param pool		    Pool to allocate memory.
+ * @param clock_rate	    Media clock rate/sampling rate.
+ * @param samples_per_frame Number of samples per frame.
+ * @param tail_ms	    Tail length, miliseconds.
+ * @param latency_ms	    Total lacency introduced by playback and 
+ *			    recording device. Set to zero if the latency
+ *			    is not known.
+ * @param options	    Options. If PJMEDIA_ECHO_SIMPLE is specified,
+ *			    then a simple echo suppressor implementation 
+ *			    will be used instead of an accoustic echo 
+ *			    cancellation.
+ *			    See #pjmedia_echo_flag for other options.
+ * @param p_echo	    Pointer to receive the Echo Canceller state.
+ *
+ * @return		    PJ_SUCCESS on success, or the appropriate status.
+ */
+PJ_DECL(pj_status_t) pjmedia_echo_create(pj_pool_t *pool,
+					 unsigned clock_rate,
+					 unsigned samples_per_frame,
+					 unsigned tail_ms,
+					 unsigned latency_ms,
+					 unsigned options,
+					 pjmedia_echo_state **p_echo );
+
+/**
+ * Create multi-channel the echo canceller. 
+ *
+ * @param pool		    Pool to allocate memory.
+ * @param clock_rate	    Media clock rate/sampling rate.
+ * @param channel_count	    Number of channels.
+ * @param samples_per_frame Number of samples per frame.
+ * @param tail_ms	    Tail length, miliseconds.
+ * @param latency_ms	    Total lacency introduced by playback and 
+ *			    recording device. Set to zero if the latency
+ *			    is not known.
+ * @param options	    Options. If PJMEDIA_ECHO_SIMPLE is specified,
+ *			    then a simple echo suppressor implementation 
+ *			    will be used instead of an accoustic echo 
+ *			    cancellation.
+ *			    See #pjmedia_echo_flag for other options.
+ * @param p_echo	    Pointer to receive the Echo Canceller state.
+ *
+ * @return		    PJ_SUCCESS on success, or the appropriate status.
+ */
+PJ_DECL(pj_status_t) pjmedia_echo_create2(pj_pool_t *pool,
+					  unsigned clock_rate,
+					  unsigned channel_count,
+					  unsigned samples_per_frame,
+					  unsigned tail_ms,
+					  unsigned latency_ms,
+					  unsigned options,
+					  pjmedia_echo_state **p_echo );
+
+/**
+ * Destroy the Echo Canceller. 
+ *
+ * @param echo		The Echo Canceller.
+ *
+ * @return		PJ_SUCCESS on success.
+ */
+PJ_DECL(pj_status_t) pjmedia_echo_destroy(pjmedia_echo_state *echo );
+
+
+/**
+ * Reset the echo canceller.
+ *
+ * @param echo		The Echo Canceller.
+ *
+ * @return		PJ_SUCCESS on success.
+ */
+PJ_DECL(pj_status_t) pjmedia_echo_reset(pjmedia_echo_state *echo );
+
+
+/**
+ * Let the Echo Canceller know that a frame has been played to the speaker.
+ * The Echo Canceller will keep the frame in its internal buffer, to be used
+ * when cancelling the echo with #pjmedia_echo_capture().
+ *
+ * @param echo		The Echo Canceller.
+ * @param play_frm	Sample buffer containing frame to be played
+ *			(or has been played) to the playback device.
+ *			The frame must contain exactly samples_per_frame 
+ *			number of samples.
+ *
+ * @return		PJ_SUCCESS on success.
+ */
+PJ_DECL(pj_status_t) pjmedia_echo_playback(pjmedia_echo_state *echo,
+					   pj_int16_t *play_frm );
+
+
+/**
+ * Let the Echo Canceller know that a frame has been captured from the 
+ * microphone. The Echo Canceller will cancel the echo from the captured
+ * signal, using the internal buffer (supplied by #pjmedia_echo_playback())
+ * as the FES (Far End Speech) reference.
+ *
+ * @param echo		The Echo Canceller.
+ * @param rec_frm	On input, it contains the input signal (captured 
+ *			from microphone) which echo is to be removed.
+ *			Upon returning this function, this buffer contain
+ *			the processed signal with the echo removed.
+ *			The frame must contain exactly samples_per_frame 
+ *			number of samples.
+ * @param options	Echo cancellation options, reserved for future use.
+ *			Put zero for now.
+ *
+ * @return		PJ_SUCCESS on success.
+ */
+PJ_DECL(pj_status_t) pjmedia_echo_capture(pjmedia_echo_state *echo,
+					  pj_int16_t *rec_frm,
+					  unsigned options );
+
+
+/**
+ * Perform echo cancellation.
+ *
+ * @param echo		The Echo Canceller.
+ * @param rec_frm	On input, it contains the input signal (captured 
+ *			from microphone) which echo is to be removed.
+ *			Upon returning this function, this buffer contain
+ *			the processed signal with the echo removed.
+ * @param play_frm	Sample buffer containing frame to be played
+ *			(or has been played) to the playback device.
+ *			The frame must contain exactly samples_per_frame 
+ *			number of samples.
+ * @param options	Echo cancellation options, reserved for future use.
+ *			Put zero for now.
+ * @param reserved	Reserved for future use, put NULL for now.
+ *
+ * @return		PJ_SUCCESS on success.
+ */
+PJ_DECL(pj_status_t) pjmedia_echo_cancel( pjmedia_echo_state *echo,
+					  pj_int16_t *rec_frm,
+					  const pj_int16_t *play_frm,
+					  unsigned options,
+					  void *reserved );
+
+
+PJ_END_DECL
+
+/**
+ * @}
+ */
+
+
+#endif	/* __PJMEDIA_ECHO_H__ */
+