* #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/third_party/speex/libspeex/nb_celp.h b/jni/pjproject-android/third_party/speex/libspeex/nb_celp.h
new file mode 100644
index 0000000..14c776f
--- /dev/null
+++ b/jni/pjproject-android/third_party/speex/libspeex/nb_celp.h
@@ -0,0 +1,203 @@
+/* Copyright (C) 2002-2006 Jean-Marc Valin */
+/**
+ @file nb_celp.h
+ @brief Narrowband CELP encoder/decoder
+*/
+/*
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ - Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+ - Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ - Neither the name of the Xiph.org Foundation nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
+ CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef NB_CELP_H
+#define NB_CELP_H
+
+#include "modes.h"
+#include <speex/speex_bits.h>
+#include <speex/speex_callbacks.h>
+#include "vbr.h"
+#include "filters.h"
+
+#ifdef VORBIS_PSYCHO
+#include "vorbis_psy.h"
+#endif
+
+/**Structure representing the full state of the narrowband encoder*/
+typedef struct EncState {
+ const SpeexMode *mode; /**< Mode corresponding to the state */
+ int first; /**< Is this the first frame? */
+ int frameSize; /**< Size of frames */
+ int subframeSize; /**< Size of sub-frames */
+ int nbSubframes; /**< Number of sub-frames */
+ int windowSize; /**< Analysis (LPC) window length */
+ int lpcSize; /**< LPC order */
+ int min_pitch; /**< Minimum pitch value allowed */
+ int max_pitch; /**< Maximum pitch value allowed */
+
+ spx_word32_t cumul_gain; /**< Product of previously used pitch gains (Q10) */
+ int bounded_pitch; /**< Next frame should not rely on previous frames for pitch */
+ int ol_pitch; /**< Open-loop pitch */
+ int ol_voiced; /**< Open-loop voiced/non-voiced decision */
+ int *pitch;
+
+#ifdef VORBIS_PSYCHO
+ VorbisPsy *psy;
+ float *psy_window;
+ float *curve;
+ float *old_curve;
+#endif
+
+ spx_word16_t gamma1; /**< Perceptual filter: A(z/gamma1) */
+ spx_word16_t gamma2; /**< Perceptual filter: A(z/gamma2) */
+ spx_word16_t lpc_floor; /**< Noise floor multiplier for A[0] in LPC analysis*/
+ char *stack; /**< Pseudo-stack allocation for temporary memory */
+ spx_word16_t *winBuf; /**< Input buffer (original signal) */
+ spx_word16_t *excBuf; /**< Excitation buffer */
+ spx_word16_t *exc; /**< Start of excitation frame */
+ spx_word16_t *swBuf; /**< Weighted signal buffer */
+ spx_word16_t *sw; /**< Start of weighted signal frame */
+ const spx_word16_t *window; /**< Temporary (Hanning) window */
+ const spx_word16_t *lagWindow; /**< Window applied to auto-correlation */
+ spx_lsp_t *old_lsp; /**< LSPs for previous frame */
+ spx_lsp_t *old_qlsp; /**< Quantized LSPs for previous frame */
+ spx_mem_t *mem_sp; /**< Filter memory for signal synthesis */
+ spx_mem_t *mem_sw; /**< Filter memory for perceptually-weighted signal */
+ spx_mem_t *mem_sw_whole; /**< Filter memory for perceptually-weighted signal (whole frame)*/
+ spx_mem_t *mem_exc; /**< Filter memory for excitation (whole frame) */
+ spx_mem_t *mem_exc2; /**< Filter memory for excitation (whole frame) */
+ spx_mem_t mem_hp[2]; /**< High-pass filter memory */
+ spx_word32_t *pi_gain; /**< Gain of LPC filter at theta=pi (fe/2) */
+ spx_word16_t *innov_rms_save; /**< If non-NULL, innovation RMS is copied here */
+
+#ifndef DISABLE_VBR
+ VBRState *vbr; /**< State of the VBR data */
+ float vbr_quality; /**< Quality setting for VBR encoding */
+ float relative_quality; /**< Relative quality that will be needed by VBR */
+ spx_int32_t vbr_enabled; /**< 1 for enabling VBR, 0 otherwise */
+ spx_int32_t vbr_max; /**< Max bit-rate allowed in VBR mode */
+ int vad_enabled; /**< 1 for enabling VAD, 0 otherwise */
+ int dtx_enabled; /**< 1 for enabling DTX, 0 otherwise */
+ int dtx_count; /**< Number of consecutive DTX frames */
+ spx_int32_t abr_enabled; /**< ABR setting (in bps), 0 if off */
+ float abr_drift;
+ float abr_drift2;
+ float abr_count;
+#endif /* #ifndef DISABLE_VBR */
+
+ int complexity; /**< Complexity setting (0-10 from least complex to most complex) */
+ spx_int32_t sampling_rate;
+ int plc_tuning;
+ int encode_submode;
+ const SpeexSubmode * const *submodes; /**< Sub-mode data */
+ int submodeID; /**< Activated sub-mode */
+ int submodeSelect; /**< Mode chosen by the user (may differ from submodeID if VAD is on) */
+ int isWideband; /**< Is this used as part of the embedded wideband codec */
+ int highpass_enabled; /**< Is the input filter enabled */
+} EncState;
+
+/**Structure representing the full state of the narrowband decoder*/
+typedef struct DecState {
+ const SpeexMode *mode; /**< Mode corresponding to the state */
+ int first; /**< Is this the first frame? */
+ int count_lost; /**< Was the last frame lost? */
+ int frameSize; /**< Size of frames */
+ int subframeSize; /**< Size of sub-frames */
+ int nbSubframes; /**< Number of sub-frames */
+ int lpcSize; /**< LPC order */
+ int min_pitch; /**< Minimum pitch value allowed */
+ int max_pitch; /**< Maximum pitch value allowed */
+ spx_int32_t sampling_rate;
+
+ spx_word16_t last_ol_gain; /**< Open-loop gain for previous frame */
+
+ char *stack; /**< Pseudo-stack allocation for temporary memory */
+ spx_word16_t *excBuf; /**< Excitation buffer */
+ spx_word16_t *exc; /**< Start of excitation frame */
+ spx_lsp_t *old_qlsp; /**< Quantized LSPs for previous frame */
+ spx_coef_t *interp_qlpc; /**< Interpolated quantized LPCs */
+ spx_mem_t *mem_sp; /**< Filter memory for synthesis signal */
+ spx_mem_t mem_hp[2]; /**< High-pass filter memory */
+ spx_word32_t *pi_gain; /**< Gain of LPC filter at theta=pi (fe/2) */
+ spx_word16_t *innov_save; /** If non-NULL, innovation is copied here */
+
+ spx_word16_t level;
+ spx_word16_t max_level;
+ spx_word16_t min_level;
+
+ /* This is used in packet loss concealment */
+ int last_pitch; /**< Pitch of last correctly decoded frame */
+ spx_word16_t last_pitch_gain; /**< Pitch gain of last correctly decoded frame */
+ spx_word16_t pitch_gain_buf[3]; /**< Pitch gain of last decoded frames */
+ int pitch_gain_buf_idx; /**< Tail of the buffer */
+ spx_int32_t seed; /** Seed used for random number generation */
+
+ int encode_submode;
+ const SpeexSubmode * const *submodes; /**< Sub-mode data */
+ int submodeID; /**< Activated sub-mode */
+ int lpc_enh_enabled; /**< 1 when LPC enhancer is on, 0 otherwise */
+ SpeexCallback speex_callbacks[SPEEX_MAX_CALLBACKS];
+
+ SpeexCallback user_callback;
+
+ /*Vocoder data*/
+ spx_word16_t voc_m1;
+ spx_word32_t voc_m2;
+ spx_word16_t voc_mean;
+ int voc_offset;
+
+ int dtx_enabled;
+ int isWideband; /**< Is this used as part of the embedded wideband codec */
+ int highpass_enabled; /**< Is the input filter enabled */
+} DecState;
+
+/** Initializes encoder state*/
+void *nb_encoder_init(const SpeexMode *m);
+
+/** De-allocates encoder state resources*/
+void nb_encoder_destroy(void *state);
+
+/** Encodes one frame*/
+int nb_encode(void *state, void *in, SpeexBits *bits);
+
+
+/** Initializes decoder state*/
+void *nb_decoder_init(const SpeexMode *m);
+
+/** De-allocates decoder state resources*/
+void nb_decoder_destroy(void *state);
+
+/** Decodes one frame*/
+int nb_decode(void *state, SpeexBits *bits, void *out);
+
+/** ioctl-like function for controlling a narrowband encoder */
+int nb_encoder_ctl(void *state, int request, void *ptr);
+
+/** ioctl-like function for controlling a narrowband decoder */
+int nb_decoder_ctl(void *state, int request, void *ptr);
+
+
+#endif