* #27232: jni: added pjproject checkout as regular git content
We will remove it once the next release of pjsip (with Android support)
comes out and is merged into SFLphone.
diff --git a/jni/pjproject-android/.svn/pristine/5e/5ebdd9ec875303c3340d673af0c8f3a55669d4a1.svn-base b/jni/pjproject-android/.svn/pristine/5e/5ebdd9ec875303c3340d673af0c8f3a55669d4a1.svn-base
new file mode 100644
index 0000000..b4ff34e
--- /dev/null
+++ b/jni/pjproject-android/.svn/pristine/5e/5ebdd9ec875303c3340d673af0c8f3a55669d4a1.svn-base
@@ -0,0 +1,200 @@
+/* $Id$ */
+/*
+ * 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_SILENCE_DET_H__
+#define __PJMEDIA_SILENCE_DET_H__
+
+
+/**
+ * @file silencedet.h
+ * @brief Adaptive silence detector.
+ */
+#include <pjmedia/types.h>
+
+
+/**
+ * @defgroup PJMEDIA_SILENCEDET Adaptive Silence Detection
+ * @ingroup PJMEDIA_FRAME_OP
+ * @brief Adaptive Silence Detector
+ * @{
+ */
+
+
+PJ_BEGIN_DECL
+
+
+/**
+ * Opaque declaration for silence detector.
+ */
+typedef struct pjmedia_silence_det pjmedia_silence_det;
+
+
+
+/**
+ * Create voice activity detector with default settings. The default settings
+ * are set to adaptive silence detection with the default threshold.
+ *
+ * @param pool Pool for allocating the structure.
+ * @param clock_rate Clock rate.
+ * @param samples_per_frame Number of samples per frame. The clock_rate and
+ * samples_per_frame is only used to calculate the
+ * frame time, from which some timing parameters
+ * are calculated from.
+ * @param p_sd Pointer to receive the silence detector instance.
+ *
+ * @return PJ_SUCCESS on success.
+ */
+PJ_DECL(pj_status_t) pjmedia_silence_det_create( pj_pool_t *pool,
+ unsigned clock_rate,
+ unsigned samples_per_frame,
+ pjmedia_silence_det **p_sd );
+
+
+/**
+ * Set silence detector name to identify the particular silence detector
+ * instance in the log.
+ *
+ * @param sd The silence detector.
+ * @param name Name.
+ *
+ * @return PJ_SUCCESS on success.
+ */
+PJ_DECL(pj_status_t) pjmedia_silence_det_set_name(pjmedia_silence_det *sd,
+ const char *name);
+
+
+/**
+ * Set the sd to operate in fixed threshold mode. With fixed threshold mode,
+ * the threshold will not be changed adaptively.
+ *
+ * @param sd The silence detector
+ * @param threshold The silence threshold, or -1 to use default
+ * threshold.
+ *
+ * @return PJ_SUCCESS on success.
+ */
+PJ_DECL(pj_status_t) pjmedia_silence_det_set_fixed( pjmedia_silence_det *sd,
+ int threshold );
+
+/**
+ * Set the sd to operate in adaptive mode. This is the default mode
+ * when the silence detector is created.
+ *
+ * @param sd The silence detector
+ * @param threshold Initial threshold to be set, or -1 to use default
+ * threshold.
+ *
+ * @return PJ_SUCCESS on success.
+ */
+PJ_DECL(pj_status_t) pjmedia_silence_det_set_adaptive(pjmedia_silence_det *sd,
+ int threshold);
+
+/**
+ * Set other silence detector parameters.
+ *
+ * @param sd The silence detector
+ * @param before_silence Minimum duration of silence (in msec) before
+ * silence is reported. If -1 is specified, then
+ * the default value will be used. The default is
+ * 400 msec.
+ * @param recalc_time1 The interval (in msec) to recalculate threshold
+ * in non-silence condition when adaptive silence
+ * detection is set. If -1 is specified, then the
+ * default value will be used. The default is 4000
+ * (msec).
+ * @param recalc_time2 The interval (in msec) to recalculate threshold
+ * in silence condition when adaptive silence detection
+ * is set. If -1 is specified, then the default value
+ * will be used. The default value is 2000 (msec).
+ *
+ * @return PJ_SUCCESS on success.
+ */
+PJ_DECL(pj_status_t) pjmedia_silence_det_set_params( pjmedia_silence_det *sd,
+ int before_silence,
+ int recalc_time1,
+ int recalc_time2);
+
+
+/**
+ * Disable the silence detector.
+ *
+ * @param sd The silence detector
+ *
+ * @return PJ_SUCCESS on success.
+ */
+PJ_DECL(pj_status_t) pjmedia_silence_det_disable( pjmedia_silence_det *sd );
+
+
+/**
+ * Perform voice activity detection on the given input samples. This
+ * function uses #pjmedia_calc_avg_signal() and #pjmedia_silence_det_apply()
+ * for its calculation.
+ *
+ * @param sd The silence detector instance.
+ * @param samples Pointer to 16-bit PCM input samples.
+ * @param count Number of samples in the input.
+ * @param p_level Optional pointer to receive average signal level
+ * of the input samples.
+ *
+ * @return Non zero if signal is silence.
+ */
+PJ_DECL(pj_bool_t) pjmedia_silence_det_detect( pjmedia_silence_det *sd,
+ const pj_int16_t samples[],
+ pj_size_t count,
+ pj_int32_t *p_level);
+
+
+/**
+ * Calculate average signal level for the given samples.
+ *
+ * @param samples Pointer to 16-bit PCM samples.
+ * @param count Number of samples in the input.
+ *
+ * @return The average signal level, which simply is total level
+ * divided by number of samples.
+ */
+PJ_DECL(pj_int32_t) pjmedia_calc_avg_signal( const pj_int16_t samples[],
+ pj_size_t count );
+
+
+
+/**
+ * Perform voice activity detection, given the specified average signal
+ * level.
+ *
+ * @param sd The silence detector instance.
+ * @param level Signal level.
+ *
+ * @return Non zero if signal is silence.
+ */
+PJ_DECL(pj_bool_t) pjmedia_silence_det_apply( pjmedia_silence_det *sd,
+ pj_uint32_t level);
+
+
+
+PJ_END_DECL
+
+
+/**
+ * @}
+ */
+
+
+#endif /* __PJMEDIA_SILENCE_DET_H__ */
+