Upgraded Speex version to the latest and reorganized it in local copy (since Speex is now using Git)
git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@2002 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/third_party/speex/libspeex/modes.c b/third_party/speex/libspeex/modes.c
new file mode 100644
index 0000000..e10a32e
--- /dev/null
+++ b/third_party/speex/libspeex/modes.c
@@ -0,0 +1,366 @@
+/* Copyright (C) 2002-2006 Jean-Marc Valin
+ File: modes.c
+
+ Describes the different modes of the codec
+
+ 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.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "modes.h"
+#include "ltp.h"
+#include "quant_lsp.h"
+#include "cb_search.h"
+#include "sb_celp.h"
+#include "nb_celp.h"
+#include "vbr.h"
+#include "arch.h"
+#include <math.h>
+
+#ifndef NULL
+#define NULL 0
+#endif
+
+
+/* Extern declarations for all codebooks we use here */
+extern const signed char gain_cdbk_nb[];
+extern const signed char gain_cdbk_lbr[];
+extern const signed char exc_5_256_table[];
+extern const signed char exc_5_64_table[];
+extern const signed char exc_8_128_table[];
+extern const signed char exc_10_32_table[];
+extern const signed char exc_10_16_table[];
+extern const signed char exc_20_32_table[];
+
+
+/* Parameters for Long-Term Prediction (LTP)*/
+static const ltp_params ltp_params_nb = {
+ gain_cdbk_nb,
+ 7,
+ 7
+};
+
+/* Parameters for Long-Term Prediction (LTP)*/
+static const ltp_params ltp_params_vlbr = {
+ gain_cdbk_lbr,
+ 5,
+ 0
+};
+
+/* Parameters for Long-Term Prediction (LTP)*/
+static const ltp_params ltp_params_lbr = {
+ gain_cdbk_lbr,
+ 5,
+ 7
+};
+
+/* Parameters for Long-Term Prediction (LTP)*/
+static const ltp_params ltp_params_med = {
+ gain_cdbk_lbr,
+ 5,
+ 7
+};
+
+/* Split-VQ innovation parameters for very low bit-rate narrowband */
+static const split_cb_params split_cb_nb_vlbr = {
+ 10, /*subvect_size*/
+ 4, /*nb_subvect*/
+ exc_10_16_table, /*shape_cb*/
+ 4, /*shape_bits*/
+ 0,
+};
+
+/* Split-VQ innovation parameters for very low bit-rate narrowband */
+static const split_cb_params split_cb_nb_ulbr = {
+ 20, /*subvect_size*/
+ 2, /*nb_subvect*/
+ exc_20_32_table, /*shape_cb*/
+ 5, /*shape_bits*/
+ 0,
+};
+
+/* Split-VQ innovation parameters for low bit-rate narrowband */
+static const split_cb_params split_cb_nb_lbr = {
+ 10, /*subvect_size*/
+ 4, /*nb_subvect*/
+ exc_10_32_table, /*shape_cb*/
+ 5, /*shape_bits*/
+ 0,
+};
+
+
+/* Split-VQ innovation parameters narrowband */
+static const split_cb_params split_cb_nb = {
+ 5, /*subvect_size*/
+ 8, /*nb_subvect*/
+ exc_5_64_table, /*shape_cb*/
+ 6, /*shape_bits*/
+ 0,
+};
+
+/* Split-VQ innovation parameters narrowband */
+static const split_cb_params split_cb_nb_med = {
+ 8, /*subvect_size*/
+ 5, /*nb_subvect*/
+ exc_8_128_table, /*shape_cb*/
+ 7, /*shape_bits*/
+ 0,
+};
+
+/* Split-VQ innovation for low-band wideband */
+static const split_cb_params split_cb_sb = {
+ 5, /*subvect_size*/
+ 8, /*nb_subvect*/
+ exc_5_256_table, /*shape_cb*/
+ 8, /*shape_bits*/
+ 0,
+};
+
+
+
+/* 2150 bps "vocoder-like" mode for comfort noise */
+static const SpeexSubmode nb_submode1 = {
+ 0,
+ 1,
+ 0,
+ 0,
+ /* LSP quantization */
+ lsp_quant_lbr,
+ lsp_unquant_lbr,
+ /* No pitch quantization */
+ forced_pitch_quant,
+ forced_pitch_unquant,
+ NULL,
+ /* No innovation quantization (noise only) */
+ noise_codebook_quant,
+ noise_codebook_unquant,
+ NULL,
+ -1,
+ 43
+};
+
+/* 3.95 kbps very low bit-rate mode */
+static const SpeexSubmode nb_submode8 = {
+ 0,
+ 1,
+ 0,
+ 0,
+ /*LSP quantization*/
+ lsp_quant_lbr,
+ lsp_unquant_lbr,
+ /*No pitch quantization*/
+ forced_pitch_quant,
+ forced_pitch_unquant,
+ NULL,
+ /*Innovation quantization*/
+ split_cb_search_shape_sign,
+ split_cb_shape_sign_unquant,
+ &split_cb_nb_ulbr,
+ QCONST16(.5,15),
+ 79
+};
+
+/* 5.95 kbps very low bit-rate mode */
+static const SpeexSubmode nb_submode2 = {
+ 0,
+ 0,
+ 0,
+ 0,
+ /*LSP quantization*/
+ lsp_quant_lbr,
+ lsp_unquant_lbr,
+ /*No pitch quantization*/
+ pitch_search_3tap,
+ pitch_unquant_3tap,
+ <p_params_vlbr,
+ /*Innovation quantization*/
+ split_cb_search_shape_sign,
+ split_cb_shape_sign_unquant,
+ &split_cb_nb_vlbr,
+ QCONST16(.6,15),
+ 119
+};
+
+/* 8 kbps low bit-rate mode */
+static const SpeexSubmode nb_submode3 = {
+ -1,
+ 0,
+ 1,
+ 0,
+ /*LSP quantization*/
+ lsp_quant_lbr,
+ lsp_unquant_lbr,
+ /*Pitch quantization*/
+ pitch_search_3tap,
+ pitch_unquant_3tap,
+ <p_params_lbr,
+ /*Innovation quantization*/
+ split_cb_search_shape_sign,
+ split_cb_shape_sign_unquant,
+ &split_cb_nb_lbr,
+ QCONST16(.55,15),
+ 160
+};
+
+/* 11 kbps medium bit-rate mode */
+static const SpeexSubmode nb_submode4 = {
+ -1,
+ 0,
+ 1,
+ 0,
+ /*LSP quantization*/
+ lsp_quant_lbr,
+ lsp_unquant_lbr,
+ /*Pitch quantization*/
+ pitch_search_3tap,
+ pitch_unquant_3tap,
+ <p_params_med,
+ /*Innovation quantization*/
+ split_cb_search_shape_sign,
+ split_cb_shape_sign_unquant,
+ &split_cb_nb_med,
+ QCONST16(.45,15),
+ 220
+};
+
+/* 15 kbps high bit-rate mode */
+static const SpeexSubmode nb_submode5 = {
+ -1,
+ 0,
+ 3,
+ 0,
+ /*LSP quantization*/
+ lsp_quant_nb,
+ lsp_unquant_nb,
+ /*Pitch quantization*/
+ pitch_search_3tap,
+ pitch_unquant_3tap,
+ <p_params_nb,
+ /*Innovation quantization*/
+ split_cb_search_shape_sign,
+ split_cb_shape_sign_unquant,
+ &split_cb_nb,
+ QCONST16(.3,15),
+ 300
+};
+
+/* 18.2 high bit-rate mode */
+static const SpeexSubmode nb_submode6 = {
+ -1,
+ 0,
+ 3,
+ 0,
+ /*LSP quantization*/
+ lsp_quant_nb,
+ lsp_unquant_nb,
+ /*Pitch quantization*/
+ pitch_search_3tap,
+ pitch_unquant_3tap,
+ <p_params_nb,
+ /*Innovation quantization*/
+ split_cb_search_shape_sign,
+ split_cb_shape_sign_unquant,
+ &split_cb_sb,
+ QCONST16(.2,15),
+ 364
+};
+
+/* 24.6 kbps high bit-rate mode */
+static const SpeexSubmode nb_submode7 = {
+ -1,
+ 0,
+ 3,
+ 1,
+ /*LSP quantization*/
+ lsp_quant_nb,
+ lsp_unquant_nb,
+ /*Pitch quantization*/
+ pitch_search_3tap,
+ pitch_unquant_3tap,
+ <p_params_nb,
+ /*Innovation quantization*/
+ split_cb_search_shape_sign,
+ split_cb_shape_sign_unquant,
+ &split_cb_nb,
+ QCONST16(.1,15),
+ 492
+};
+
+
+/* Default mode for narrowband */
+static const SpeexNBMode nb_mode = {
+ 160, /*frameSize*/
+ 40, /*subframeSize*/
+ 10, /*lpcSize*/
+ 17, /*pitchStart*/
+ 144, /*pitchEnd*/
+#ifdef FIXED_POINT
+ 29491, 19661, /* gamma1, gamma2 */
+#else
+ 0.9, 0.6, /* gamma1, gamma2 */
+#endif
+ QCONST16(.0002,15), /*lpc_floor*/
+ {NULL, &nb_submode1, &nb_submode2, &nb_submode3, &nb_submode4, &nb_submode5, &nb_submode6, &nb_submode7,
+ &nb_submode8, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
+ 5,
+ {1, 8, 2, 3, 3, 4, 4, 5, 5, 6, 7}
+};
+
+
+/* Default mode for narrowband */
+EXPORT const SpeexMode speex_nb_mode = {
+ &nb_mode,
+ nb_mode_query,
+ "narrowband",
+ 0,
+ 4,
+ &nb_encoder_init,
+ &nb_encoder_destroy,
+ &nb_encode,
+ &nb_decoder_init,
+ &nb_decoder_destroy,
+ &nb_decode,
+ &nb_encoder_ctl,
+ &nb_decoder_ctl,
+};
+
+
+
+EXPORT int speex_mode_query(const SpeexMode *mode, int request, void *ptr)
+{
+ return mode->query(mode->mode, request, ptr);
+}
+
+#ifdef FIXED_DEBUG
+long long spx_mips=0;
+#endif
+