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-rw-r--r--Changelog1
-rw-r--r--doc/general_contents.texi4
-rw-r--r--libavcodec/Makefile1
-rw-r--r--libavcodec/allcodecs.c1
-rw-r--r--libavcodec/speexdata.h780
-rw-r--r--libavcodec/speexdec.c1590
-rw-r--r--libavcodec/version.h2
7 files changed, 2376 insertions, 3 deletions
diff --git a/Changelog b/Changelog
index 04ef413192..55347e8e0a 100644
--- a/Changelog
+++ b/Changelog
@@ -25,6 +25,7 @@ version <next>:
- (a)latency filters
- GEM Raster image decoder
- asdr audio filter
+- speex decoder
version 4.4:
diff --git a/doc/general_contents.texi b/doc/general_contents.texi
index ef841ecfd8..df1692c8df 100644
--- a/doc/general_contents.texi
+++ b/doc/general_contents.texi
@@ -1231,7 +1231,7 @@ following image formats are supported:
@item GSM Microsoft variant @tab E @tab X
@tab encoding supported through external library libgsm
@item IAC (Indeo Audio Coder) @tab @tab X
-@item iLBC (Internet Low Bitrate Codec) @tab E @tab E
+@item iLBC (Internet Low Bitrate Codec) @tab E @tab EX
@tab encoding and decoding supported through external library libilbc
@item IMC (Intel Music Coder) @tab @tab X
@item Interplay ACM @tab @tab X
@@ -1303,7 +1303,7 @@ following image formats are supported:
@tab experimental codec
@item Sonic lossless @tab X @tab X
@tab experimental codec
-@item Speex @tab E @tab E
+@item Speex @tab E @tab EX
@tab supported through external library libspeex
@item TAK (Tom's lossless Audio Kompressor) @tab @tab X
@item True Audio (TTA) @tab X @tab X
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 55391457a2..14fbd2ecbc 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -633,6 +633,7 @@ OBJS-$(CONFIG_SONIC_ENCODER) += sonic.o
OBJS-$(CONFIG_SONIC_LS_ENCODER) += sonic.o
OBJS-$(CONFIG_SPEEDHQ_DECODER) += speedhq.o mpeg12.o mpeg12data.o simple_idct.o
OBJS-$(CONFIG_SPEEDHQ_ENCODER) += speedhq.o mpeg12data.o mpeg12enc.o speedhqenc.o
+OBJS-$(CONFIG_SPEEX_DECODER) += speexdec.o
OBJS-$(CONFIG_SP5X_DECODER) += sp5xdec.o
OBJS-$(CONFIG_SRGC_DECODER) += mscc.o
OBJS-$(CONFIG_SRT_DECODER) += srtdec.o ass.o htmlsubtitles.o
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index 861c4b786a..9ede09be17 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -308,6 +308,7 @@ extern const AVCodec ff_snow_decoder;
extern const AVCodec ff_sp5x_decoder;
extern const AVCodec ff_speedhq_decoder;
extern const AVCodec ff_speedhq_encoder;
+extern const AVCodec ff_speex_decoder;
extern const AVCodec ff_srgc_decoder;
extern const AVCodec ff_sunrast_encoder;
extern const AVCodec ff_sunrast_decoder;
diff --git a/libavcodec/speexdata.h b/libavcodec/speexdata.h
new file mode 100644
index 0000000000..476a8c11c6
--- /dev/null
+++ b/libavcodec/speexdata.h
@@ -0,0 +1,780 @@
+/*
+ * Copyright 2002-2008 Xiph.org Foundation
+ * Copyright 2002-2008 Jean-Marc Valin
+ * Copyright 2005-2007 Analog Devices Inc.
+ * Copyright 2005-2008 Commonwealth Scientific and Industrial Research Organisation (CSIRO)
+ * Copyright 1993, 2002, 2006 David Rowe
+ * Copyright 2003 EpicGames
+ * Copyright 1992-1994 Jutta Degener, Carsten Bormann
+
+ * 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.
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_SPEEXDATA_H
+#define AVCODEC_SPEEXDATA_H
+
+#include "libavutil/common.h"
+
+static const int8_t high_lsp_cdbk[512] = {
+ 39, 12, -14, -20, -29, -61, -67, -76, -32, -71, -67, 68, 77, 46,
+ 34, 5, -13, -48, -46, -72, -81, -84, -60, -58, -40, -28, 82, 93,
+ 68, 45, 29, 3, -19, -47, -28, -43, -35, -30, -8, -13, -39, -91,
+ -91, -123, -96, 10, 10, -6, -18, -55, -60, -91, -56, -36, -27, -16,
+ -48, -75, 40, 28, -10, -28, 35, 9, 37, 19, 1, -20, -31, -41,
+ -18, -25, -35, -68, -80, 45, 27, -1, 47, 13, 0, -29, -35, -57,
+ -50, -79, -73, -38, -19, 5, 35, 14, -10, -23, 16, -8, 5, -24,
+ -40, -62, -23, -27, -22, -16, -18, -46, -72, -77, 43, 21, 33, 1,
+ -80, -70, -70, -64, -56, -52, -39, -33, -31, -38, -19, -19, -15, 32,
+ 33, -2, 7, -15, -15, -24, -23, -33, -41, -56, -24, -57, 5, 89,
+ 64, 41, 27, 5, -9, -47, -60, -97, -97, -124, -20, -9, -44, -73,
+ 31, 29, -4, 64, 48, 7, -35, -57, 0, -3, -26, -47, -3, -6,
+ -40, -76, -79, -48, 12, 81, 55, 10, 9, -24, -43, -73, -57, -69,
+ 16, 5, -28, -53, 18, 29, 20, 0, -4, -11, 6, -13, 23, 7,
+ -17, -35, -37, -37, -30, -68, -63, 6, 24, -9, -14, 3, 21, -13,
+ -27, -57, -49, -80, -24, -41, -5, -16, -5, 1, 45, 25, 12, -7,
+ 3, -15, -6, -16, -15, -8, 6, -13, -42, -81, -80, -87, 14, 1,
+ -10, -3, -43, -69, -46, -24, -28, -29, 36, 6, -43, -56, -12, 12,
+ 54, 79, 43, 9, 54, 22, 2, 8, -12, -43, -46, -52, -38, -69,
+ -89, -5, 75, 38, 33, 5, -13, -53, -62, -87, -89, -113, -99, -55,
+ -34, -37, 62, 55, 33, 16, 21, -2, -17, -46, -29, -38, -38, -48,
+ -39, -42, -36, -75, -72, -88, -48, -30, 21, 2, -15, -57, -64, -98,
+ -84, -76, 25, 1, -46, -80, -12, 18, -7, 3, 34, 6, 38, 31,
+ 23, 4, -1, 20, 14, -15, -43, -78, -91, -24, 14, -3, 54, 16,
+ 0, -27, -28, -44, -56, -83, -92, -89, -3, 34, 56, 41, 36, 22,
+ 20, -8, -7, -35, -42, -62, -49, 3, 12, -10, -50, -87, -96, -66,
+ 92, 70, 38, 9, -70, -71, -62, -42, -39, -43, -11, -7, -50, -79,
+ -58, -50, -31, 32, 31, -6, -4, -25, 7, -17, -38, -70, -58, -27,
+ -43, -83, -28, 59, 36, 20, 31, 2, -27, -71, -80, -109, -98, -75,
+ -33, -32, -31, -2, 33, 15, -6, 43, 33, -5, 0, -22, -10, -27,
+ -34, -49, -11, -20, -41, -91, -100, -121, -39, 57, 41, 10, -19, -50,
+ -38, -59, -60, -70, -18, -20, -8, -31, -8, -15, 1, -14, -26, -25,
+ 33, 21, 32, 17, 1, -19, -19, -26, -58, -81, -35, -22, 45, 30,
+ 11, -11, 3, -26, -48, -87, -67, -83, -58, 3, -1, -26, -20, 44,
+ 10, 25, 39, 5, -9, -35, -27, -38, 7, 10, 4, -9, -42, -85,
+ -102, -127, 52, 44, 28, 10, -47, -61, -40, -39, -17, -1, -10, -33,
+ -42, -74, -48, 21, -4, 70, 52, 10
+};
+
+static const int8_t high_lsp_cdbk2[512] = {
+ -36, -62, 6, -9, -10, -14, -56, 23, 1, -26, 23, -48, -17, 12, 8,
+ -7, 23, 29, -36, -28, -6, -29, -17, -5, 40, 23, 10, 10, -46, -13,
+ 36, 6, 4, -30, -29, 62, 32, -32, -1, 22, -14, 1, -4, -22, -45,
+ 2, 54, 4, -30, -57, -59, -12, 27, -3, -31, 8, -9, 5, 10, -14,
+ 32, 66, 19, 9, 2, -25, -37, 23, -15, 18, -38, -31, 5, -9, -21,
+ 15, 0, 22, 62, 30, 15, -12, -14, -46, 77, 21, 33, 3, 34, 29,
+ -19, 50, 2, 11, 9, -38, -12, -37, 62, 1, -15, 54, 32, 6, 2,
+ -24, 20, 35, -21, 2, 19, 24, -13, 55, 4, 9, 39, -19, 30, -1,
+ -21, 73, 54, 33, 8, 18, 3, 15, 6, -19, -47, 6, -3, -48, -50,
+ 1, 26, 20, 8, -23, -50, 65, -14, -55, -17, -31, -37, -28, 53, -1,
+ -17, -53, 1, 57, 11, -8, -25, -30, -37, 64, 5, -52, -45, 15, 23,
+ 31, 15, 14, -25, 24, 33, -2, -44, -56, -18, 6, -21, -43, 4, -12,
+ 17, -37, 20, -10, 34, 15, 2, 15, 55, 21, -11, -31, -6, 46, 25,
+ 16, -9, -25, -8, -62, 28, 17, 20, -32, -29, 26, 30, 25, -19, 2,
+ -16, -17, 26, -51, 2, 50, 42, 19, -66, 23, 29, -2, 3, 19, -19,
+ -37, 32, 15, 6, 30, -34, 13, 11, -5, 40, 31, 10, -42, 4, -9,
+ 26, -9, -70, 17, -2, -23, 20, -22, -55, 51, -24, -31, 22, -22, 15,
+ -13, 3, -10, -28, -16, 56, 4, -63, 11, -18, -15, -18, -38, -35, 16,
+ -7, 34, -1, -21, -49, -47, 9, -37, 7, 8, 69, 55, 20, 6, -33,
+ -45, -10, -9, 6, -9, 12, 71, 15, -3, -42, -7, -24, 32, -35, -2,
+ -42, -17, -5, 0, -2, -33, -54, 13, -12, -34, 47, 23, 19, 55, 7,
+ -8, 74, 31, 14, 16, -23, -26, 19, 12, -18, -49, -28, -31, -20, 2,
+ -14, -20, -47, 78, 40, 13, -23, -11, 21, -6, 18, 1, 47, 5, 38,
+ 35, 32, 46, 22, 8, 13, 16, -14, 18, 51, 19, 40, 39, 11, -26,
+ -1, -17, 47, 2, -53, -15, 31, -22, 38, 21, -15, -16, 5, -33, 53,
+ 15, -38, 86, 11, -3, -24, 49, 13, -4, -11, -18, 28, 20, -12, -27,
+ -26, 35, -25, -35, -3, -20, -61, 30, 10, -55, -12, -22, -52, -54, -14,
+ 19, -32, -12, 45, 15, -8, -48, -9, 11, -32, 8, -16, -34, -13, 51,
+ 18, 38, -2, -32, -17, 22, -2, -18, -28, -70, 59, 27, -28, -19, -10,
+ -20, -9, -9, -8, -21, 21, -8, 35, -2, 45, -3, -9, 12, 0, 30,
+ 7, -39, 43, 27, -38, -91, 30, 26, 19, -55, -4, 63, 14, -17, 13,
+ 9, 13, 2, 7, 4, 6, 61, 72, -1, -17, 29, -1, -22, -17, 8,
+ -28, -37, 63, 44, 41, 3, 2, 14, 9, -6, 75, -8, -7, -12, -15,
+ -12, 13, 9, -4, 30, -22, -65, 15, 0, -45, 4, -4, 1, 5, 22,
+ 11, 23
+};
+
+static const int8_t exc_5_256_table[1280] = {
+ -8, -37, 5, -43, 5, 73, 61, 39, 12, -3, -61, -32, 2, 42,
+ 30, -3, 17, -27, 9, 34, 20, -1, -5, 2, 23, -7, -46, 26,
+ 53, -47, 20, -2, -33, -89, -51, -64, 27, 11, 15, -34, -5, -56,
+ 25, -9, -1, -29, 1, 40, 67, -23, -16, 16, 33, 19, 7, 14,
+ 85, 22, -10, -10, -12, -7, -1, 52, 89, 29, 11, -20, -37, -46,
+ -15, 17, -24, -28, 24, 2, 1, 0, 23, -101, 23, 14, -1, -23,
+ -18, 9, 5, -13, 38, 1, -28, -28, 4, 27, 51, -26, 34, -40,
+ 35, 47, 54, 38, -54, -26, -6, 42, -25, 13, -30, -36, 18, 41,
+ -4, -33, 23, -32, -7, -4, 51, -3, 17, -52, 56, -47, 36, -2,
+ -21, 36, 10, 8, -33, 31, 19, 9, -5, -40, 10, -9, -21, 19,
+ 18, -78, -18, -5, 0, -26, -36, -47, -51, -44, 18, 40, 27, -2,
+ 29, 49, -26, 2, 32, -54, 30, -73, 54, 3, -5, 36, 22, 53,
+ 10, -1, -84, -53, -29, -5, 3, -44, 53, -51, 4, 22, 71, -35,
+ -1, 33, -5, -27, -7, 36, 17, -23, -39, 16, -9, -55, -15, -20,
+ 39, -35, 6, -39, -14, 18, 48, -64, -17, -15, 9, 39, 81, 37,
+ -68, 37, 47, -21, -6, -104, 13, 6, 9, -2, 35, 8, -23, 18,
+ 42, 45, 21, 33, -5, -49, 9, -6, -43, -56, 39, 2, -16, -25,
+ 87, 1, -3, -9, 17, -25, -11, -9, -1, 10, 2, -14, -14, 4,
+ -1, -10, 28, -23, 40, -32, 26, -9, 26, 4, -27, -23, 3, 42,
+ -60, 1, 49, -3, 27, 10, -52, -40, -2, 18, 45, -23, 17, -44,
+ 3, -3, 17, -46, 52, -40, -47, 25, 75, 31, -49, 53, 30, -30,
+ -32, -36, 38, -6, -15, -16, 54, -27, -48, 3, 38, -29, -32, -22,
+ -14, -4, -23, -13, 32, -39, 9, 8, -45, -13, 34, -16, 49, 40,
+ 32, 31, 28, 23, 23, 32, 47, 59, -68, 8, 62, 44, 25, -14,
+ -24, -65, -16, 36, 67, -25, -38, -21, 4, -33, -2, 42, 5, -63,
+ 40, 11, 26, -42, -23, -61, 79, -31, 23, -20, 10, -32, 53, -25,
+ -36, 10, -26, -5, 3, 0, -71, 5, -10, -37, 1, -24, 21, -54,
+ -17, 1, -29, -25, -15, -27, 32, 68, 45, -16, -37, -18, -5, 1,
+ 0, -77, 71, -6, 3, -20, 71, -67, 29, -35, 10, -30, 19, 4,
+ 16, 17, 5, 0, -14, 19, 2, 28, 26, 59, 3, 2, 24, 39,
+ 55, -50, -45, -18, -17, 33, -35, 14, -1, 1, 8, 87, -35, -29,
+ 0, -27, 13, -7, 23, -13, 37, -40, 50, -35, 14, 19, -7, -14,
+ 49, 54, -5, 22, -2, -29, -8, -27, 38, 13, 27, 48, 12, -41,
+ -21, -15, 28, 7, -16, -24, -19, -20, 11, -20, 9, 2, 13, 23,
+ -20, 11, 27, -27, 71, -69, 8, 2, -6, 22, 12, 16, 16, 9,
+ -16, -8, -17, 1, 25, 1, 40, -37, -33, 66, 94, 53, 4, -22,
+ -25, -41, -42, 25, 35, -16, -15, 57, 31, -29, -32, 21, 16, -60,
+ 45, 15, -1, 7, 57, -26, -47, -29, 11, 8, 15, 19, -105, -8,
+ 54, 27, 10, -17, 6, -12, -1, -10, 4, 0, 23, -10, 31, 13,
+ 11, 10, 12, -64, 23, -3, -8, -19, 16, 52, 24, -40, 16, 10,
+ 40, 5, 9, 0, -13, -7, -21, -8, -6, -7, -21, 59, 16, -53,
+ 18, -60, 11, -47, 14, -18, 25, -13, -24, 4, -39, 16, -28, 54,
+ 26, -67, 30, 27, -20, -52, 20, -12, 55, 12, 18, -16, 39, -14,
+ -6, -26, 56, -88, -55, 12, 25, 26, -37, 6, 75, 0, -34, -81,
+ 54, -30, 1, -7, 49, -23, -14, 21, 10, -62, -58, -57, -47, -34,
+ 15, -4, 34, -78, 31, 25, -11, 7, 50, -10, 42, -63, 14, -36,
+ -4, 57, 55, 57, 53, 42, -42, -1, 15, 40, 37, 15, 25, -11,
+ 6, 1, 31, -2, -6, -1, -7, -64, 34, 28, 30, -1, 3, 21,
+ 0, -88, -12, -56, 25, -28, 40, 8, -28, -14, 9, 12, 2, -6,
+ -17, 22, 49, -6, -26, 14, 28, -20, 4, -12, 50, 35, 40, 13,
+ -38, -58, -29, 17, 30, 22, 60, 26, -54, -39, -12, 58, -28, -63,
+ 10, -21, -8, -12, 26, -62, 6, -10, -11, -22, -6, -7, 4, 1,
+ 18, 2, -70, 11, 14, 4, 13, 19, -24, -34, 24, 67, 17, 51,
+ -21, 13, 23, 54, -30, 48, 1, -13, 80, 26, -16, -2, 13, -4,
+ 6, -30, 29, -24, 73, -58, 30, -27, 20, -2, -21, 41, 45, 30,
+ -27, -3, -5, -18, -20, -49, -3, -35, 10, 42, -19, -67, -53, -11,
+ 9, 13, -15, -33, -51, -30, 15, 7, 25, -30, 4, 28, -22, -34,
+ 54, -29, 39, -46, 20, 16, 34, -4, 47, 75, 1, -44, -55, -24,
+ 7, -1, 9, -42, 50, -8, -36, 41, 68, 0, -4, -10, -23, -15,
+ -50, 64, 36, -9, -27, 12, 25, -38, -47, -37, 32, -49, 51, -36,
+ 2, -4, 69, -26, 19, 7, 45, 67, 46, 13, -63, 46, 15, -47,
+ 4, -41, 13, -6, 5, -21, 37, 26, -55, -7, 33, -1, -28, 10,
+ -17, -64, -14, 0, -36, -17, 93, -3, -9, -66, 44, -21, 3, -12,
+ 38, -6, -13, -12, 19, 13, 43, -43, -10, -12, 6, -5, 9, -49,
+ 32, -5, 2, 4, 5, 15, -16, 10, -21, 8, -62, -8, 64, 8,
+ 79, -1, -66, -49, -18, 5, 40, -5, -30, -45, 1, -6, 21, -32,
+ 93, -18, -30, -21, 32, 21, -18, 22, 8, 5, -41, -54, 80, 22,
+ -10, -7, -8, -23, -64, 66, 56, -14, -30, -41, -46, -14, -29, -37,
+ 27, -14, 42, -2, -9, -29, 34, 14, 33, -14, 22, 4, 10, 26,
+ 26, 28, 32, 23, -72, -32, 3, 0, -14, 35, -42, -78, -32, 6,
+ 29, -18, -45, -5, 7, -33, -45, -3, -22, -34, 8, -8, 4, -51,
+ -25, -9, 59, -78, 21, -5, -25, -48, 66, -15, -17, -24, -49, -13,
+ 25, -23, -64, -6, 40, -24, -19, -11, 57, -33, -8, 1, 10, -52,
+ -54, 28, 39, 49, 34, -11, -61, -41, -43, 10, 15, -15, 51, 30,
+ 15, -51, 32, -34, -2, -34, 14, 18, 16, 1, 1, -3, -3, 1,
+ 1, -18, 6, 16, 48, 12, -5, -42, 7, 36, 48, 7, -20, -10,
+ 7, 12, 2, 54, 39, -38, 37, 54, 4, -11, -8, -46, -10, 5,
+ -10, -34, 46, -12, 29, -37, 39, 36, -11, 24, 56, 17, 14, 20,
+ 25, 0, -25, -28, 55, -7, -5, 27, 3, 9, -26, -8, 6, -24,
+ -10, -30, -31, -34, 18, 4, 22, 21, 40, -1, -29, -37, -8, -21,
+ 92, -29, 11, -3, 11, 73, 23, 22, 7, 4, -44, -9, -11, 21,
+ -13, 11, 9, -78, -1, 47, 114, -12, -37, -19, -5, -11, -22, 19,
+ 12, -30, 7, 38, 45, -21, -8, -9, 55, -45, 56, -21, 7, 17,
+ 46, -57, -87, -6, 27, 31, 31, 7, -56, -12, 46, 21, -5, -12,
+ 36, 3, 3, -21, 43, 19, 12, -7, 9, -14, 0, -9, -33, -91,
+ 7, 26, 3, -11, 64, 83, -31, -46, 25, 2, 9, 5, 2, 2,
+ -1, 20, -17, 10, -5, -27, -8, 20, 8, -19, 16, -21, -13, -31,
+ 5, 5, 42, 24, 9, 34, -20, 28, -61, 22, 11, -39, 64, -20,
+ -1, -30, -9, -20, 24, -25, -24, -29, 22, -60, 6, -5, 41, -9,
+ -87, 14, 34, 15, -57, 52, 69, 15, -3, -102, 58, 16, 3, 6,
+ 60, -75, -32, 26, 7, -57, -27, -32, -24, -21, -29, -16, 62, -46,
+ 31, 30, -27, -15, 7, 15
+};
+
+static const int8_t exc_5_64_table[320] = {
+ 1, 5, -15, 49, -66, -48, -4, 50, -44, 7, 37, 16, -18, 25, -26,
+ -26, -15, 19, 19, -27, -47, 28, 57, 5, -17, -32, -41, 68, 21, -2,
+ 64, 56, 8, -16, -13, -26, -9, -16, 11, 6, -39, 25, -19, 22, -31,
+ 20, -45, 55, -43, 10, -16, 47, -40, 40, -20, -51, 3, -17, -14, -15,
+ -24, 53, -20, -46, 46, 27, -68, 32, 3, -18, -5, 9, -31, 16, -9,
+ -10, -1, -23, 48, 95, 47, 25, -41, -32, -3, 15, -25, -55, 36, 41,
+ -27, 20, 5, 13, 14, -22, 5, 2, -23, 18, 46, -15, 17, -18, -34,
+ -5, -8, 27, -55, 73, 16, 2, -1, -17, 40, -78, 33, 0, 2, 19,
+ 4, 53, -16, -15, -16, -28, -3, -13, 49, 8, -7, -29, 27, -13, 32,
+ 20, 32, -61, 16, 14, 41, 44, 40, 24, 20, 7, 4, 48, -60, -77,
+ 17, -6, -48, 65, -15, 32, -30, -71, -10, -3, -6, 10, -2, -7, -29,
+ -56, 67, -30, 7, -5, 86, -6, -10, 0, 5, -31, 60, 34, -38, -3,
+ 24, 10, -2, 30, 23, 24, -41, 12, 70, -43, 15, -17, 6, 13, 16,
+ -13, 8, 30, -15, -8, 5, 23, -34, -98, -4, -13, 13, -48, -31, 70,
+ 12, 31, 25, 24, -24, 26, -7, 33, -16, 8, 5, -11, -14, -8, -65,
+ 13, 10, -2, -9, 0, -3, -68, 5, 35, 7, 0, -31, -1, -17, -9,
+ -9, 16, -37, -18, -1, 69, -48, -28, 22, -21, -11, 5, 49, 55, 23,
+ -86, -36, 16, 2, 13, 63, -51, 30, -11, 13, 24, -18, -6, 14, -19,
+ 1, 41, 9, -5, 27, -36, -44, -34, -37, -21, -26, 31, -39, 15, 43,
+ 5, -8, 29, 20, -8, -20, -52, -28, -1, 13, 26, -34, -10, -9, 27,
+ -8, 8, 27, -66, 4, 12, -22, 49, 10, -77, 32, -18, 3, -38, 12,
+ -3, -1, 2, 2, 0
+};
+
+static const int8_t gain_cdbk_nb[512] = {
+ -32, -32, -32, 0, -28, -67, -5, 33, -42, -6, -32, 18, -57, -10, -54,
+ 35, -16, 27, -41, 42, 19, -19, -40, 36, -45, 24, -21, 40, -8, -14,
+ -18, 28, 1, 14, -58, 53, -18, -88, -39, 39, -38, 21, -18, 37, -19,
+ 20, -43, 38, 10, 17, -48, 54, -52, -58, -13, 33, -44, -1, -11, 32,
+ -12, -11, -34, 22, 14, 0, -46, 46, -37, -35, -34, 5, -25, 44, -30,
+ 43, 6, -4, -63, 49, -31, 43, -41, 43, -23, 30, -43, 41, -43, 26,
+ -14, 44, -33, 1, -13, 27, -13, 18, -37, 37, -46, -73, -45, 34, -36,
+ 24, -25, 34, -36, -11, -20, 19, -25, 12, -18, 33, -36, -69, -59, 34,
+ -45, 6, 8, 46, -22, -14, -24, 18, -1, 13, -44, 44, -39, -48, -26,
+ 15, -32, 31, -37, 34, -33, 15, -46, 31, -24, 30, -36, 37, -41, 31,
+ -23, 41, -50, 22, -4, 50, -22, 2, -21, 28, -17, 30, -34, 40, -7,
+ -60, -28, 29, -38, 42, -28, 42, -44, -11, 21, 43, -16, 8, -44, 34,
+ -39, -55, -43, 21, -11, -35, 26, 41, -9, 0, -34, 29, -8, 121, -81,
+ 113, 7, -16, -22, 33, -37, 33, -31, 36, -27, -7, -36, 17, -34, 70,
+ -57, 65, -37, -11, -48, 21, -40, 17, -1, 44, -33, 6, -6, 33, -9,
+ 0, -20, 34, -21, 69, -33, 57, -29, 33, -31, 35, -55, 12, -1, 49,
+ -33, 27, -22, 35, -50, -33, -47, 17, -50, 54, 51, 94, -1, -5, -44,
+ 35, -4, 22, -40, 45, -39, -66, -25, 24, -33, 1, -26, 20, -24, -23,
+ -25, 12, -11, 21, -45, 44, -25, -45, -19, 17, -43, 105, -16, 82, 5,
+ -21, 1, 41, -16, 11, -33, 30, -13, -99, -4, 57, -37, 33, -15, 44,
+ -25, 37, -63, 54, -36, 24, -31, 31, -53, -56, -38, 26, -41, -4, 4,
+ 37, -33, 13, -30, 24, 49, 52, -94, 114, -5, -30, -15, 23, 1, 38,
+ -40, 56, -23, 12, -36, 29, -17, 40, -47, 51, -37, -41, -39, 11, -49,
+ 34, 0, 58, -18, -7, -4, 34, -16, 17, -27, 35, 30, 5, -62, 65,
+ 4, 48, -68, 76, -43, 11, -11, 38, -18, 19, -15, 41, -23, -62, -39,
+ 23, -42, 10, -2, 41, -21, -13, -13, 25, -9, 13, -47, 42, -23, -62,
+ -24, 24, -44, 60, -21, 58, -18, -3, -52, 32, -22, 22, -36, 34, -75,
+ 57, 16, 90, -19, 3, 10, 45, -29, 23, -38, 32, -5, -62, -51, 38,
+ -51, 40, -18, 53, -42, 13, -24, 32, -34, 14, -20, 30, -56, -75, -26,
+ 37, -26, 32, 15, 59, -26, 17, -29, 29, -7, 28, -52, 53, -12, -30,
+ 5, 30, -5, -48, -5, 35, 2, 2, -43, 40, 21, 16, 16, 75, -25,
+ -45, -32, 10, -43, 18, -10, 42, 9, 0, -1, 52, -1, 7, -30, 36,
+ 19, -48, -4, 48, -28, 25, -29, 32, -22, 0, -31, 22, -32, 17, -10,
+ 36, -64, -41, -62, 36, -52, 15, 16, 58, -30, -22, -32, 6, -7, 9,
+ -38, 36
+};
+
+static const int8_t exc_8_128_table[1024] = {
+ -14, 9, 13, -32, 2, -10, 31, -10, -8, -8, 6, -4, -1, 10, -64,
+ 23, 6, 20, 13, 6, 8, -22, 16, 34, 7, 42, -49, -28, 5, 26,
+ 4, -15, 41, 34, 41, 32, 33, 24, 23, 14, 8, 40, 34, 4, -24,
+ -41, -19, -15, 13, -13, 33, -54, 24, 27, -44, 33, 27, -15, -15, 24,
+ -19, 14, -36, 14, -9, 24, -12, -4, 37, -5, 16, -34, 5, 10, 33,
+ -15, -54, -16, 12, 25, 12, 1, 2, 0, 3, -1, -4, -4, 11, 2,
+ -56, 54, 27, -20, 13, -6, -46, -41, -33, -11, -5, 7, 12, 14, -14,
+ -5, 8, 20, 6, 3, 4, -8, -5, -42, 11, 8, -14, 25, -2, 2,
+ 13, 11, -22, 39, -9, 9, 5, -45, -9, 7, -9, 12, -7, 34, -17,
+ -102, 7, 2, -42, 18, 35, -9, -34, 11, -5, -2, 3, 22, 46, -52,
+ -25, -9, -94, 8, 11, -5, -5, -5, 4, -7, -35, -7, 54, 5, -32,
+ 3, 24, -9, -22, 8, 65, 37, -1, -12, -23, -6, -9, -28, 55, -33,
+ 14, -3, 2, 18, -60, 41, -17, 8, -16, 17, -11, 0, -11, 29, -28,
+ 37, 9, -53, 33, -14, -9, 7, -25, -7, -11, 26, -32, -8, 24, -21,
+ 22, -19, 19, -10, 29, -14, 0, 0, 0, 0, 0, 0, 0, 0, -5,
+ -52, 10, 41, 6, -30, -4, 16, 32, 22, -27, -22, 32, -3, -28, -3,
+ 3, -35, 6, 17, 23, 21, 8, 2, 4, -45, -17, 14, 23, -4, -31,
+ -11, -3, 14, 1, 19, -11, 2, 61, -8, 9, -12, 7, -10, 12, -3,
+ -24, 99, -48, 23, 50, -37, -5, -23, 0, 8, -14, 35, -64, -5, 46,
+ -25, 13, -1, -49, -19, -15, 9, 34, 50, 25, 11, -6, -9, -16, -20,
+ -32, -33, -32, -27, 10, -8, 12, -15, 56, -14, -32, 33, 3, -9, 1,
+ 65, -9, -9, -10, -2, -6, -23, 9, 17, 3, -28, 13, -32, 4, -2,
+ -10, 4, -16, 76, 12, -52, 6, 13, 33, -6, 4, -14, -9, -3, 1,
+ -15, -16, 28, 1, -15, 11, 16, 9, 4, -21, -37, -40, -6, 22, 12,
+ -15, -23, -14, -17, -16, -9, -10, -9, 13, -39, 41, 5, -9, 16, -38,
+ 25, 46, -47, 4, 49, -14, 17, -2, 6, 18, 5, -6, -33, -22, 44,
+ 50, -2, 1, 3, -6, 7, 7, -3, -21, 38, -18, 34, -14, -41, 60,
+ -13, 6, 16, -24, 35, 19, -13, -36, 24, 3, -17, -14, -10, 36, 44,
+ -44, -29, -3, 3, -54, -8, 12, 55, 26, 4, -2, -5, 2, -11, 22,
+ -23, 2, 22, 1, -25, -39, 66, -49, 21, -8, -2, 10, -14, -60, 25,
+ 6, 10, 27, -25, 16, 5, -2, -9, 26, -13, -20, 58, -2, 7, 52,
+ -9, 2, 5, -4, -15, 23, -1, -38, 23, 8, 27, -6, 0, -27, -7,
+ 39, -10, -14, 26, 11, -45, -12, 9, -5, 34, 4, -35, 10, 43, -22,
+ -11, 56, -7, 20, 1, 10, 1, -26, 9, 94, 11, -27, -14, -13, 1,
+ -11, 0, 14, -5, -6, -10, -4, -15, -8, -41, 21, -5, 1, -28, -8,
+ 22, -9, 33, -23, -4, -4, -12, 39, 4, -7, 3, -60, 80, 8, -17,
+ 2, -6, 12, -5, 1, 9, 15, 27, 31, 30, 27, 23, 61, 47, 26,
+ 10, -5, -8, -12, -13, 5, -18, 25, -15, -4, -15, -11, 12, -2, -2,
+ -16, -2, -6, 24, 12, 11, -4, 9, 1, -9, 14, -45, 57, 12, 20,
+ -35, 26, 11, -64, 32, -10, -10, 42, -4, -9, -16, 32, 24, 7, 10,
+ 52, -11, -57, 29, 0, 8, 0, -6, 17, -17, -56, -40, 7, 20, 18,
+ 12, -6, 16, 5, 7, -1, 9, 1, 10, 29, 12, 16, 13, -2, 23,
+ 7, 9, -3, -4, -5, 18, -64, 13, 55, -25, 9, -9, 24, 14, -25,
+ 15, -11, -40, -30, 37, 1, -19, 22, -5, -31, 13, -2, 0, 7, -4,
+ 16, -67, 12, 66, -36, 24, -8, 18, -15, -23, 19, 0, -45, -7, 4,
+ 3, -13, 13, 35, 5, 13, 33, 10, 27, 23, 0, -7, -11, 43, -74,
+ 36, -12, 2, 5, -8, 6, -33, 11, -16, -14, -5, -7, -3, 17, -34,
+ 27, -16, 11, -9, 15, 33, -31, 8, -16, 7, -6, -7, 63, -55, -17,
+ 11, -1, 20, -46, 34, -30, 6, 9, 19, 28, -9, 5, -24, -8, -23,
+ -2, 31, -19, -16, -5, -15, -18, 0, 26, 18, 37, -5, -15, -2, 17,
+ 5, -27, 21, -33, 44, 12, -27, -9, 17, 11, 25, -21, -31, -7, 13,
+ 33, -8, -25, -7, 7, -10, 4, -6, -9, 48, -82, -23, -8, 6, 11,
+ -23, 3, -3, 49, -29, 25, 31, 4, 14, 16, 9, -4, -18, 10, -26,
+ 3, 5, -44, -9, 9, -47, -55, 15, 9, 28, 1, 4, -3, 46, 6,
+ -6, -38, -29, -31, -15, -6, 3, 0, 14, -6, 8, -54, -50, 33, -5,
+ 1, -14, 33, -48, 26, -4, -5, -3, -5, -3, -5, -28, -22, 77, 55,
+ -1, 2, 10, 10, -9, -14, -66, -49, 11, -36, -6, -20, 10, -10, 16,
+ 12, 4, -1, -16, 45, -44, -50, 31, -2, 25, 42, 23, -32, -22, 0,
+ 11, 20, -40, -35, -40, -36, -32, -26, -21, -13, 52, -22, 6, -24, -20,
+ 17, -5, -8, 36, -25, -11, 21, -26, 6, 34, -8, 7, 20, -3, 5,
+ -25, -8, 18, -5, -9, -4, 1, -9, 20, 20, 39, 48, -24, 9, 5,
+ -65, 22, 29, 4, 3, -43, -11, 32, -6, 9, 19, -27, -10, -47, -14,
+ 24, 10, -7, -36, -7, -1, -4, -5, -5, 16, 53, 25, -26, -29, -4,
+ -12, 45, -58, -34, 33, -5, 2, -1, 27, -48, 31, -15, 22, -5, 4,
+ 7, 7, -25, -3, 11, -22, 16, -12, 8, -3, 7, -11, 45, 14, -73,
+ -19, 56, -46, 24, -20, 28, -12, -2, -1, -36, -3, -33, 19, -6, 7,
+ 2, -15, 5, -31, -45, 8, 35, 13, 20, 0, -9, 48, -13, -43, -3,
+ -13, 2, -5, 72, -68, -27, 2, 1, -2, -7, 5, 36, 33, -40, -12,
+ -4, -5, 23, 19
+};
+
+static const int8_t exc_10_32_table[320] = {
+ 7, 17, 17, 27, 25, 22, 12, 4, -3, 0, 28, -36, 39, -24, -15,
+ 3, -9, 15, -5, 10, 31, -28, 11, 31, -21, 9, -11, -11, -2, -7,
+ -25, 14, -22, 31, 4, -14, 19, -12, 14, -5, 4, -7, 4, -5, 9,
+ 0, -2, 42, -47, -16, 1, 8, 0, 9, 23, -57, 0, 28, -11, 6,
+ -31, 55, -45, 3, -5, 4, 2, -2, 4, -7, -3, 6, -2, 7, -3,
+ 12, 5, 8, 54, -10, 8, -7, -8, -24, -25, -27, -14, -5, 8, 5,
+ 44, 23, 5, -9, -11, -11, -13, -9, -12, -8, -29, -8, -22, 6, -15,
+ 3, -12, -1, -5, -3, 34, -1, 29, -16, 17, -4, 12, 2, 1, 4,
+ -2, -4, 2, -1, 11, -3, -52, 28, 30, -9, -32, 25, 44, -20, -24,
+ 4, 6, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ -25, -10, 22, 29, 13, -13, -22, -13, -4, 0, -4, -16, 10, 15, -36,
+ -24, 28, 25, -1, -3, 66, -33, -11, -15, 6, 0, 3, 4, -2, 5,
+ 24, -20, -47, 29, 19, -2, -4, -1, 0, -1, -2, 3, 1, 8, -11,
+ 5, 5, -57, 28, 28, 0, -16, 4, -4, 12, -6, -1, 2, -20, 61,
+ -9, 24, -22, -42, 29, 6, 17, 8, 4, 2, -65, 15, 8, 10, 5,
+ 6, 5, 3, 2, -2, -3, 5, -9, 4, -5, 23, 13, 23, -3, -63,
+ 3, -5, -4, -6, 0, -3, 23, -36, -46, 9, 5, 5, 8, 4, 9,
+ -5, 1, -3, 10, 1, -6, 10, -11, 24, -47, 31, 22, -12, 14, -10,
+ 6, 11, -7, -7, 7, -31, 51, -12, -6, 7, 6, -17, 9, -11, -20,
+ 52, -19, 3, -6, -6, -8, -5, 23, -41, 37, 1, -21, 10, -14, 8,
+ 7, 5, -15, -15, 23, 39, -26, -33, 7, 2, -32, -30, -21, -8, 4,
+ 12, 17, 15, 14, 11
+};
+
+static const int8_t exc_10_16_table[160] = {
+ 22, 39, 14, 44, 11, 35, -2, 23, -4, 6, 46, -28, 13, -27, -23,
+ 12, 4, 20, -5, 9, 37, -18, -23, 23, 0, 9, -6, -20, 4, -1,
+ -17, -5, -4, 17, 0, 1, 9, -2, 1, 2, 2, -12, 8, -25, 39,
+ 15, 9, 16, -55, -11, 9, 11, 5, 10, -2, -60, 8, 13, -6, 11,
+ -16, 27, -47, -12, 11, 1, 16, -7, 9, -3, -29, 9, -14, 25, -19,
+ 34, 36, 12, 40, -10, -3, -24, -14, -37, -21, -35, -2, -36, 3, -6,
+ 67, 28, 6, -17, -3, -12, -16, -15, -17, -7, -59, -36, -13, 1, 7,
+ 1, 2, 10, 2, 11, 13, 10, 8, -2, 7, 3, 5, 4, 2, 2,
+ -3, -8, 4, -5, 6, 7, -42, 15, 35, -2, -46, 38, 28, -20, -9,
+ 1, 7, -3, 0, -2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ -15, -28, 52, 32, 5, -5, -17, -20, -10, -1
+};
+
+static const int8_t gain_cdbk_lbr[128] = {
+ -32, -32, -32, 0, -31, -58, -16, 22, -41, -24, -43, 14, -56, -22, -55, 29,
+ -13, 33, -41, 47, -4, -39, -9, 29, -41, 15, -12, 38, -8, -15, -12, 31,
+ 1, 2, -44, 40, -22, -66, -42, 27, -38, 28, -23, 38, -21, 14, -37, 31,
+ 0, 21, -50, 52, -53, -71, -27, 33, -37, -1, -19, 25, -19, -5, -28, 22,
+ 6, 65, -44, 74, -33, -48, -33, 9, -40, 57, -14, 58, -17, 4, -45, 32,
+ -31, 38, -33, 36, -23, 28, -40, 39, -43, 29, -12, 46, -34, 13, -23, 28,
+ -16, 15, -27, 34, -14, -82, -15, 43, -31, 25, -32, 29, -21, 5, -5, 38,
+ -47, -63, -51, 33, -46, 12, 3, 47, -28, -17, -29, 11, -10, 14, -40, 38
+};
+
+static const int8_t exc_20_32_table[640] = {
+ 12, 32, 25, 46, 36, 33, 9, 14, -3, 6, 1, -8, 0, -10, -5,
+ -7, -7, -7, -5, -5, 31, -27, 24, -32, -4, 10, -11, 21, -3, 19,
+ 23, -9, 22, 24, -10, -1, -10, -13, -7, -11, 42, -33, 31, 19, -8,
+ 0, -10, -16, 1, -21, -17, 10, -8, 14, 8, 4, 11, -2, 5, -2,
+ -33, 11, -16, 33, 11, -4, 9, -4, 11, 2, 6, -5, 8, -5, 11,
+ -4, -6, 26, -36, -16, 0, 4, -2, -8, 12, 6, -1, 34, -46, -22,
+ 9, 9, 21, 9, 5, -66, -5, 26, 2, 10, 13, 2, 19, 9, 12,
+ -81, 3, 13, 13, 0, -14, 22, -35, 6, -7, -4, 6, -6, 10, -6,
+ -31, 38, -33, 0, -10, -11, 5, -12, 12, -17, 5, 0, -6, 13, -9,
+ 10, 8, 25, 33, 2, -12, 8, -6, 10, -2, 21, 7, 17, 43, 5,
+ 11, -7, -9, -20, -36, -20, -23, -4, -4, -3, 27, -9, -9, -49, -39,
+ -38, -11, -9, 6, 5, 23, 25, 5, 3, 3, 4, 1, 2, -3, -1,
+ 87, 39, 17, -21, -9, -19, -9, -15, -13, -14, -17, -11, -10, -11, -8,
+ -6, -1, -3, -3, -1, -54, -34, -27, -8, -11, -4, -5, 0, 0, 4,
+ 8, 6, 9, 7, 9, 7, 6, 5, 5, 5, 48, 10, 19, -10, 12,
+ -1, 9, -3, 2, 5, -3, 2, -2, -2, 0, -2, -26, 6, 9, -7,
+ -16, -9, 2, 7, 7, -5, -43, 11, 22, -11, -9, 34, 37, -15, -13,
+ -6, 1, -1, 1, 1, -64, 56, 52, -11, -27, 5, 4, 3, 1, 2,
+ 1, 3, -1, -4, -4, -10, -7, -4, -4, 2, -1, -7, -7, -12, -10,
+ -15, -9, -5, -5, -11, -16, -13, 6, 16, 4, -13, -16, -10, -4, 2,
+ -47, -13, 25, 47, 19, -14, -20, -8, -17, 0, -3, -13, 1, 6, -17,
+ -14, 15, 1, 10, 6, -24, 0, -10, 19, -69, -8, 14, 49, 17, -5,
+ 33, -29, 3, -4, 0, 2, -8, 5, -6, 2, 120, -56, -12, -47, 23,
+ -9, 6, -5, 1, 2, -5, 1, -10, 4, -1, -1, 4, -1, 0, -3,
+ 30, -52, -67, 30, 22, 11, -1, -4, 3, 0, 7, 2, 0, 1, -10,
+ -4, -8, -13, 5, 1, 1, -1, 5, 13, -9, -3, -10, -62, 22, 48,
+ -4, -6, 2, 3, 5, 1, 1, 4, 1, 13, 3, -20, 10, -9, 13,
+ -2, -4, 9, -20, 44, -1, 20, -32, -67, 19, 0, 28, 11, 8, 2,
+ -11, 15, -19, -53, 31, 2, 34, 10, 6, -4, -58, 8, 10, 13, 14,
+ 1, 12, 2, 0, 0, -128, 37, -8, 44, -9, 26, -3, 18, 2, 6,
+ 11, -1, 9, 1, 5, 3, 0, 1, 1, 2, 12, 3, -2, -3, 7,
+ 25, 9, 18, -6, -37, 3, -8, -16, 3, -10, -7, 17, -34, -44, 11,
+ 17, -15, -3, -16, -1, -13, 11, -46, -65, -2, 8, 13, 2, 4, 4,
+ 5, 15, 5, 9, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -9, 19, -12, 12, -28,
+ 38, 29, -1, 12, 2, 5, 23, -10, 3, 4, -15, 21, -4, 3, 3,
+ 6, 17, -9, -4, -8, -20, 26, 5, -10, 6, 1, -19, 18, -15, -12,
+ 47, -6, -2, -7, -9, -1, -17, -2, -2, -14, 30, -14, 2, -7, -4,
+ -1, -12, 11, -25, 16, -3, -12, 11, -7, 7, -17, 1, 19, -28, 31,
+ -7, -10, 7, -10, 3, 12, 5, -16, 6, 24, 41, -29, -54, 0, 1,
+ 7, -1, 5, -6, 13, 10, -4, -8, 8, -9, -27, -53, -38, -1, 10,
+ 19, 17, 16, 12, 12, 0, 3, -7, -4, 13, 12, -31, -14, 6, -5,
+ 3, 5, 17, 43, 50, 25, 10, 1, -6, -2
+};
+
+static const int8_t cdbk_nb[640] = {
+ 30, 19, 38, 34, 40, 32, 46, 43, 58, 43, 5, -18, -25, -40,
+ -33, -55, -52, 20, 34, 28, -20, -63, -97, -92, 61, 53, 47, 49,
+ 53, 75, -14, -53, -77, -79, 0, -3, -5, 19, 22, 26, -9, -53,
+ -55, 66, 90, 72, 85, 68, 74, 52, -4, -41, -58, -31, -18, -31,
+ 27, 32, 30, 18, 24, 3, 8, 5, -12, -3, 26, 28, 74, 63,
+ -2, -39, -67, -77, -106, -74, 59, 59, 73, 65, 44, 40, 71, 72,
+ 82, 83, 98, 88, 89, 60, -6, -31, -47, -48, -13, -39, -9, 7,
+ 2, 79, -1, -39, -60, -17, 87, 81, 65, 50, 45, 19, -21, -67,
+ -91, -87, -41, -50, 7, 18, 39, 74, 10, -31, -28, 39, 24, 13,
+ 23, 5, 56, 45, 29, 10, -5, -13, -11, -35, -18, -8, -10, -8,
+ -25, -71, -77, -21, 2, 16, 50, 63, 87, 87, 5, -32, -40, -51,
+ -68, 0, 12, 6, 54, 34, 5, -12, 32, 52, 68, 64, 69, 59,
+ 65, 45, 14, -16, -31, -40, -65, -67, 41, 49, 47, 37, -11, -52,
+ -75, -84, -4, 57, 48, 42, 42, 33, -11, -51, -68, -6, 13, 0,
+ 8, -8, 26, 32, -23, -53, 0, 36, 56, 76, 97, 105, 111, 97,
+ -1, -28, -39, -40, -43, -54, -44, -40, -18, 35, 16, -20, -19, -28,
+ -42, 29, 47, 38, 74, 45, 3, -29, -48, -62, -80, -104, -33, 56,
+ 59, 59, 10, 17, 46, 72, 84, 101, 117, 123, 123, 106, -7, -33,
+ -49, -51, -70, -67, -27, -31, 70, 67, -16, -62, -85, -20, 82, 71,
+ 86, 80, 85, 74, -19, -58, -75, -45, -29, -33, -18, -25, 45, 57,
+ -12, -42, -5, 12, 28, 36, 52, 64, 81, 82, 13, -9, -27, -28,
+ 22, 3, 2, 22, 26, 6, -6, -44, -51, 2, 15, 10, 48, 43,
+ 49, 34, -19, -62, -84, -89, -102, -24, 8, 17, 61, 68, 39, 24,
+ 23, 19, 16, -5, 12, 15, 27, 15, -8, -44, -49, -60, -18, -32,
+ -28, 52, 54, 62, -8, -48, -77, -70, 66, 101, 83, 63, 61, 37,
+ -12, -50, -75, -64, 33, 17, 13, 25, 15, 77, 1, -42, -29, 72,
+ 64, 46, 49, 31, 61, 44, -8, -47, -54, -46, -30, 19, 20, -1,
+ -16, 0, 16, -12, -18, -9, -26, -27, -10, -22, 53, 45, -10, -47,
+ -75, -82, -105, -109, 8, 25, 49, 77, 50, 65, 114, 117, 124, 118,
+ 115, 96, 90, 61, -9, -45, -63, -60, -75, -57, 8, 11, 20, 29,
+ 0, -35, -49, -43, 40, 47, 35, 40, 55, 38, -24, -76, -103, -112,
+ -27, 3, 23, 34, 52, 75, 8, -29, -43, 12, 63, 38, 35, 29,
+ 24, 8, 25, 11, 1, -15, -18, -43, -7, 37, 40, 21, -20, -56,
+ -19, -19, -4, -2, 11, 29, 51, 63, -2, -44, -62, -75, -89, 30,
+ 57, 51, 74, 51, 50, 46, 68, 64, 65, 52, 63, 55, 65, 43,
+ 18, -9, -26, -35, -55, -69, 3, 6, 8, 17, -15, -61, -86, -97,
+ 1, 86, 93, 74, 78, 67, -1, -38, -66, -48, 48, 39, 29, 25,
+ 17, -1, 13, 13, 29, 39, 50, 51, 69, 82, 97, 98, -2, -36,
+ -46, -27, -16, -30, -13, -4, -7, -4, 25, -5, -11, -6, -25, -21,
+ 33, 12, 31, 29, -8, -38, -52, -63, -68, -89, -33, -1, 10, 74,
+ -2, -15, 59, 91, 105, 105, 101, 87, 84, 62, -7, -33, -50, -35,
+ -54, -47, 25, 17, 82, 81, -13, -56, -83, 21, 58, 31, 42, 25,
+ 72, 65, -24, -66, -91, -56, 9, -2, 21, 10, 69, 75, 2, -24,
+ 11, 22, 25, 28, 38, 34, 48, 33, 7, -29, -26, 17, 15, -1,
+ 14, 0, -2, 0, -6, -41, -67, 6, -2, -9, 19, 2, 85, 74,
+ -22, -67, -84, -71, -50, 3, 11, -9, 2, 62
+};
+
+static const int8_t cdbk_nb_low1[320] = {
+ -34, -52, -15, 45, 2, 23, 21, 52, 24, -33, -9, -1, 9, -44, -41,
+ -13, -17, 44, 22, -17, -6, -4, -1, 22, 38, 26, 16, 2, 50, 27,
+ -35, -34, -9, -41, 6, 0, -16, -34, 51, 8, -14, -31, -49, 15, -33,
+ 45, 49, 33, -11, -37, -62, -54, 45, 11, -5, -72, 11, -1, -12, -11,
+ 24, 27, -11, -43, 46, 43, 33, -12, -9, -1, 1, -4, -23, -57, -71,
+ 11, 8, 16, 17, -8, -20, -31, -41, 53, 48, -16, 3, 65, -24, -8,
+ -23, -32, -37, -32, -49, -10, -17, 6, 38, 5, -9, -17, -46, 8, 52,
+ 3, 6, 45, 40, 39, -7, -6, -34, -74, 31, 8, 1, -16, 43, 68,
+ -11, -19, -31, 4, 6, 0, -6, -17, -16, -38, -16, -30, 2, 9, -39,
+ -16, -1, 43, -10, 48, 3, 3, -16, -31, -3, 62, 68, 43, 13, 3,
+ -10, 8, 20, -56, 12, 12, -2, -18, 22, -15, -40, -36, 1, 7, 41,
+ 0, 1, 46, -6, -62, -4, -12, -2, -11, -83, -13, -2, 91, 33, -10,
+ 0, 4, -11, -16, 79, 32, 37, 14, 9, 51, -21, -28, -56, -34, 0,
+ 21, 9, -26, 11, 28, -42, -54, -23, -2, -15, 31, 30, 8, -39, -66,
+ -39, -36, 31, -28, -40, -46, 35, 40, 22, 24, 33, 48, 23, -34, 14,
+ 40, 32, 17, 27, -3, 25, 26, -13, -61, -17, 11, 4, 31, 60, -6,
+ -26, -41, -64, 13, 16, -26, 54, 31, -11, -23, -9, -11, -34, -71, -21,
+ -34, -35, 55, 50, 29, -22, -27, -50, -38, 57, 33, 42, 57, 48, 26,
+ 11, 0, -49, -31, 26, -4, -14, 5, 78, 37, 17, 0, -49, -12, -23,
+ 26, 14, 2, 2, -43, -17, -12, 10, -8, -4, 8, 18, 12, -6, 20,
+ -12, -6, -13, -25, 34, 15, 40, 49, 7, 8, 13, 20, 20, -19, -22,
+ -2, -8, 2, 51, -51
+};
+
+static const int8_t cdbk_nb_low2[320] = {
+ -6, 53, -21, -24, 4, 26, 17, -4, -37, 25, 17, -36, -13, 31, 3,
+ -6, 27, 15, -10, 31, 28, 26, -10, -10, -40, 16, -7, 15, 13, 41,
+ -9, 0, -4, 50, -6, -7, 14, 38, 22, 0, -48, 2, 1, -13, -19,
+ 32, -3, -60, 11, -17, -1, -24, -34, -1, 35, -5, -27, 28, 44, 13,
+ 25, 15, 42, -11, 15, 51, 35, -36, 20, 8, -4, -12, -29, 19, -47,
+ 49, -15, -4, 16, -29, -39, 14, -30, 4, 25, -9, -5, -51, -14, -3,
+ -40, -32, 38, 5, -9, -8, -4, -1, -22, 71, -3, 14, 26, -18, -22,
+ 24, -41, -25, -24, 6, 23, 19, -10, 39, -26, -27, 65, 45, 2, -7,
+ -26, -8, 22, -12, 16, 15, 16, -35, -5, 33, -21, -8, 0, 23, 33,
+ 34, 6, 21, 36, 6, -7, -22, 8, -37, -14, 31, 38, 11, -4, -3,
+ -39, -32, -8, 32, -23, -6, -12, 16, 20, -28, -4, 23, 13, -52, -1,
+ 22, 6, -33, -40, -6, 4, -62, 13, 5, -26, 35, 39, 11, 2, 57,
+ -11, 9, -20, -28, -33, 52, -5, -6, -2, 22, -14, -16, -48, 35, 1,
+ -58, 20, 13, 33, -1, -74, 56, -18, -22, -31, 12, 6, -14, 4, -2,
+ -9, -47, 10, -3, 29, -17, -5, 61, 14, 47, -12, 2, 72, -39, -17,
+ 92, 64, -53, -51, -15, -30, -38, -41, -29, -28, 27, 9, 36, 9, -35,
+ -42, 81, -21, 20, 25, -16, -5, -17, -35, 21, 15, -28, 48, 2, -2,
+ 9, -19, 29, -40, 30, -18, -18, 18, -16, -57, 15, -20, -12, -15, -37,
+ -15, 33, -39, 21, -22, -13, 35, 11, 13, -38, -63, 29, 23, -27, 32,
+ 18, 3, -26, 42, 33, -64, -66, -17, 16, 56, 2, 36, 3, 31, 21,
+ -41, -39, 8, -57, 14, 37, -2, 19, -36, -19, -23, -29, -16, 1, -3,
+ -8, -10, 31, 64, -65
+};
+
+static const int8_t cdbk_nb_high1[320] = {
+ -26, -8, 29, 21, 4, 19, -39, 33, -7, -36, 56, 54, 48, 40, 29,
+ -4, -24, -42, -66, -43, -60, 19, -2, 37, 41, -10, -37, -60, -64, 18,
+ -22, 77, 73, 40, 25, 4, 19, -19, -66, -2, 11, 5, 21, 14, 26,
+ -25, -86, -4, 18, 1, 26, -37, 10, 37, -1, 24, -12, -59, -11, 20,
+ -6, 34, -16, -16, 42, 19, -28, -51, 53, 32, 4, 10, 62, 21, -12,
+ -34, 27, 4, -48, -48, -50, -49, 31, -7, -21, -42, -25, -4, -43, -22,
+ 59, 2, 27, 12, -9, -6, -16, -8, -32, -58, -16, -29, -5, 41, 23,
+ -30, -33, -46, -13, -10, -38, 52, 52, 1, -17, -9, 10, 26, -25, -6,
+ 33, -20, 53, 55, 25, -32, -5, -42, 23, 21, 66, 5, -28, 20, 9,
+ 75, 29, -7, -42, -39, 15, 3, -23, 21, 6, 11, 1, -29, 14, 63,
+ 10, 54, 26, -24, -51, -49, 7, -23, -51, 15, -66, 1, 60, 25, 10,
+ 0, -30, -4, -15, 17, 19, 59, 40, 4, -5, 33, 6, -22, -58, -70,
+ -5, 23, -6, 60, 44, -29, -16, -47, -29, 52, -19, 50, 28, 16, 35,
+ 31, 36, 0, -21, 6, 21, 27, 22, 42, 7, -66, -40, -8, 7, 19,
+ 46, 0, -4, 60, 36, 45, -7, -29, -6, -32, -39, 2, 6, -9, 33,
+ 20, -51, -34, 18, -6, 19, 6, 11, 5, -19, -29, -2, 42, -11, -45,
+ -21, -55, 57, 37, 2, -14, -67, -16, -27, -38, 69, 48, 19, 2, -17,
+ 20, -20, -16, -34, -17, -25, -61, 10, 73, 45, 16, -40, -64, -17, -29,
+ -22, 56, 17, -39, 8, -11, 8, -25, -18, -13, -19, 8, 54, 57, 36,
+ -17, -26, -4, 6, -21, 40, 42, -4, 20, 31, 53, 10, -34, -53, 31,
+ -17, 35, 0, 15, -6, -20, -63, -73, 22, 25, 29, 17, 8, -29, -39,
+ -69, 18, 15, -15, -5
+};
+
+static const int8_t cdbk_nb_high2[320] = {
+ 11, 47, 16, -9, -46, -32, 26, -64, 34, -5, 38, -7, 47, 20, 2,
+ -73, -99, -3, -45, 20, 70, -52, 15, -6, -7, -82, 31, 21, 47, 51,
+ 39, -3, 9, 0, -41, -7, -15, -54, 2, 0, 27, -31, 9, -45, -22,
+ -38, -24, -24, 8, -33, 23, 5, 50, -36, -17, -18, -51, -2, 13, 19,
+ 43, 12, -15, -12, 61, 38, 38, 7, 13, 0, 6, -1, 3, 62, 9,
+ 27, 22, -33, 38, -35, -9, 30, -43, -9, -32, -1, 4, -4, 1, -5,
+ -11, -8, 38, 31, 11, -10, -42, -21, -37, 1, 43, 15, -13, -35, -19,
+ -18, 15, 23, -26, 59, 1, -21, 53, 8, -41, -50, -14, -28, 4, 21,
+ 25, -28, -40, 5, -40, -41, 4, 51, -33, -8, -8, 1, 17, -60, 12,
+ 25, -41, 17, 34, 43, 19, 45, 7, -37, 24, -15, 56, -2, 35, -10,
+ 48, 4, -47, -2, 5, -5, -54, 5, -3, -33, -10, 30, -2, -44, -24,
+ -38, 9, -9, 42, 4, 6, -56, 44, -16, 9, -40, -26, 18, -20, 10,
+ 28, -41, -21, -4, 13, -18, 32, -30, -3, 37, 15, 22, 28, 50, -40,
+ 3, -29, -64, 7, 51, -19, -11, 17, -27, -40, -64, 24, -12, -7, -27,
+ 3, 37, 48, -1, 2, -9, -38, -34, 46, 1, 27, -6, 19, -13, 26,
+ 10, 34, 20, 25, 40, 50, -6, -7, 30, 9, -24, 0, -23, 71, -61,
+ 22, 58, -34, -4, 2, -49, -33, 25, 30, -8, -6, -16, 77, 2, 38,
+ -8, -35, -6, -30, 56, 78, 31, 33, -20, 13, -39, 20, 22, 4, 21,
+ -8, 4, -6, 10, -83, -41, 9, -25, -43, 15, -7, -12, -34, -39, -37,
+ -33, 19, 30, 16, -33, 42, -25, 25, -68, 44, -15, -11, -4, 23, 50,
+ 14, 4, -39, -43, 20, -30, 60, 9, -20, 7, 16, 19, -33, 37, 29,
+ 16, -35, 7, 38, -27
+};
+
+static const int8_t hexc_table[1024] = {
+ -24, 21, -20, 5, -5, -7, 14, -10, 2, -27, 16, -20, 0,
+ -32, 26, 19, 8, -11, -41, 31, 28, -27, -32, 34, 42, 34,
+ -17, 22, -10, 13, -29, 18, -12, -26, -24, 11, 22, 5, -5,
+ -5, 54, -68, -43, 57, -25, 24, 4, 4, 26, -8, -12, -17,
+ 54, 30, -45, 1, 10, -15, 18, -41, 11, 68, -67, 37, -16,
+ -24, -16, 38, -22, 6, -29, 30, 66, -27, 5, 7, -16, 13,
+ 2, -12, -7, -3, -20, 36, 4, -28, 9, 3, 32, 48, 26,
+ 39, 3, 0, 7, -21, -13, 5, -82, -7, 73, -20, 34, -9,
+ -5, 1, -1, 10, -5, -10, -1, 9, 1, -9, 10, 0, -14,
+ 11, -1, -2, -1, 11, 20, 96, -81, -22, -12, -9, -58, 9,
+ 24, -30, 26, -35, 27, -12, 13, -18, 56, -59, 15, -7, 23,
+ -15, -1, 6, -25, 14, -22, -20, 47, -11, 16, 2, 38, -23,
+ -19, -30, -9, 40, -11, 5, 4, -6, 8, 26, -21, -11, 127,
+ 4, 1, 6, -9, 2, -7, -2, -3, 7, -5, 10, -19, 7,
+ -106, 91, -3, 9, -4, 21, -8, 26, -80, 8, 1, -2, -10,
+ -17, -17, -27, 32, 71, 6, -29, 11, -23, 54, -38, 29, -22,
+ 39, 87, -31, -12, -20, 3, -2, -2, 2, 20, 0, -1, -35,
+ 27, 9, -6, -12, 3, -12, -6, 13, 1, 14, -22, -59, -15,
+ -17, -25, 13, -7, 7, 3, 0, 1, -7, 6, -3, 61, -37,
+ -23, -23, -29, 38, -31, 27, 1, -8, 2, -27, 23, -26, 36,
+ -34, 5, 24, -24, -6, 7, 3, -59, 78, -62, 44, -16, 1,
+ 6, 0, 17, 8, 45, 0, -110, 6, 14, -2, 32, -77, -56,
+ 62, -3, 3, -13, 4, -16, 102, -15, -36, -1, 9, -113, 6,
+ 23, 0, 9, 9, 5, -8, -1, -14, 5, -12, 121, -53, -27,
+ -8, -9, 22, -13, 3, 2, -3, 1, -2, -71, 95, 38, -19,
+ 15, -16, -5, 71, 10, 2, -32, -13, -5, 15, -1, -2, -14,
+ -85, 30, 29, 6, 3, 2, 0, 0, 0, 0, 0, 0, 0,
+ 0, 2, -65, -56, -9, 18, 18, 23, -14, -2, 0, 12, -29,
+ 26, -12, 1, 2, -12, -64, 90, -6, 4, 1, 5, -5, -110,
+ -3, -31, 22, -29, 9, 0, 8, -40, -5, 21, -5, -5, 13,
+ 10, -18, 40, 1, 35, -20, 30, -28, 11, -6, 19, 7, 14,
+ 18, -64, 9, -6, 16, 51, 68, 8, 16, 12, -8, 0, -9,
+ 20, -22, 25, 7, -4, -13, 41, -35, 93, -18, -54, 11, -1,
+ 1, -9, 4, -66, 66, -31, 20, -22, 25, -23, 11, 10, 9,
+ 19, 15, 11, -5, -31, -10, -23, -28, -6, -6, -3, -4, 5,
+ 3, -28, 22, -11, -42, 25, -25, -16, 41, 34, 47, -6, 2,
+ 42, -19, -22, 5, -39, 32, 6, -35, 22, 17, -30, 8, -26,
+ -11, -11, 3, -12, 33, 33, -37, 21, -1, 6, -4, 3, 0,
+ -5, 5, 12, -12, 57, 27, -61, -3, 20, -17, 2, 0, 4,
+ 0, -2, -33, -58, 81, -23, 39, -10, -5, 2, 6, -7, 5,
+ 4, -3, -2, -13, -23, -72, 107, 15, -5, 0, -7, -3, -6,
+ 5, -4, 15, 47, 12, -31, 25, -16, 8, 22, -25, -62, -56,
+ -18, 14, 28, 12, 2, -11, 74, -66, 41, -20, -7, 16, -20,
+ 16, -8, 0, -16, 4, -19, 92, 12, -59, -14, -39, 49, -25,
+ -16, 23, -27, 19, -3, -33, 19, 85, -29, 6, -7, -10, 16,
+ -7, -12, 1, -6, 2, 4, -2, 64, 10, -25, 41, -2, -31,
+ 15, 0, 110, 50, 69, 35, 28, 19, -10, 2, -43, -49, -56,
+ -15, -16, 10, 3, 12, -1, -8, 1, 26, -12, -1, 7, -11,
+ -27, 41, 25, 1, -11, -18, 22, -7, -1, -47, -8, 23, -3,
+ -17, -7, 18, -125, 59, -5, 3, 18, 1, 2, 3, 27, -35,
+ 65, -53, 50, -46, 37, -21, -28, 7, 14, -37, -5, -5, 12,
+ 5, -8, 78, -19, 21, -6, -16, 8, -7, 5, 2, 7, 2,
+ 10, -6, 12, -60, 44, 11, -36, -32, 31, 0, 2, -2, 2,
+ 1, -3, 7, -10, 17, -21, 10, 6, -2, 19, -2, 59, -38,
+ -86, 38, 8, -41, -30, -45, -33, 7, 15, 28, 29, -7, 24,
+ -40, 7, 7, 5, -2, 9, 24, -23, -18, 6, -29, 30, 2,
+ 28, 49, -11, -46, 10, 43, -13, -9, -1, -3, -7, -7, -17,
+ -6, 97, -33, -21, 3, 5, 1, 12, -43, -8, 28, 7, -43,
+ -7, 17, -20, 19, -1, 2, -13, 9, 54, 34, 9, -28, -11,
+ -9, -17, 110, -59, 44, -26, 0, 3, -12, -47, 73, -34, -43,
+ 38, -33, 16, -5, -46, -4, -6, -2, -25, 19, -29, 28, -13,
+ 5, 14, 27, -40, -43, 4, 32, -13, -2, -35, -4, 112, -42,
+ 9, -12, 37, -28, 17, 14, -19, 35, -39, 23, 3, -14, -1,
+ -57, -5, 94, -9, 3, -39, 5, 30, -10, -32, 42, -13, -14,
+ -97, -63, 30, -9, 1, -7, 12, 5, 20, 17, -9, -36, -30,
+ 25, 47, -9, -15, 12, -22, 98, -8, -50, 15, -27, 21, -16,
+ -11, 2, 12, -10, 10, -3, 33, 36, -96, 0, -17, 31, -9,
+ 9, 3, -20, 13, -11, 8, -4, 10, -10, 9, 1, 112, -70,
+ -27, 5, -21, 2, -57, -3, -29, 10, 19, -21, 21, -10, -66,
+ -3, 91, -35, 30, -12, 0, -7, 59, -28, 26, 2, 14, -18,
+ 1, 1, 11, 17, 20, -54, -59, 27, 4, 29, 32, 5, 19,
+ 12, -4, 1, 7, -10, 5, -2, 10, 0, 23, -5, 28, -104,
+ 46, 11, 16, 3, 29, 1, -8, -14, 1, 7, -50, 88, -62,
+ 26, 8, -17, -14, 50, 0, 32, -12, -3, -27, 18, -8, -5,
+ 8, 3, -20, -11, 37, -12, 9, 33, 46, -101, -1, -4, 1,
+ 6, -1, 28, -42, -15, 16, 5, -1, -2, -55, 85, 38, -9,
+ -4, 11, -2, -9, -6, 3, -20, -10, -77, 89, 24, -3, -104,
+ -57, -26, -31, -20, -6, -9, 14, 20, -23, 46, -15, -31, 28,
+ 1, -15, -2, 6, -2, 31, 45, -76, 23, -25,
+};
+
+static const int8_t hexc_10_32_table[320] = {
+ -3, -2, -1, 0, -4, 5, 35, -40, -9, 13, -44, 5, -27, -1, -7,
+ 6, -11, 7, -8, 7, 19, -14, 15, -4, 9, -10, 10, -8, 10, -9,
+ -1, 1, 0, 0, 2, 5, -18, 22, -53, 50, 1, -23, 50, -36, 15,
+ 3, -13, 14, -10, 6, 1, 5, -3, 4, -2, 5, -32, 25, 5, -2,
+ -1, -4, 1, 11, -29, 26, -6, -15, 30, -18, 0, 15, -17, 40, -41,
+ 3, 9, -2, -2, 3, -3, -1, -5, 2, 21, -6, -16, -21, 23, 2,
+ 60, 15, 16, -16, -9, 14, 9, -1, 7, -9, 0, 1, 1, 0, -1,
+ -6, 17, -28, 54, -45, -1, 1, -1, -6, -6, 2, 11, 26, -29, -2,
+ 46, -21, 34, 12, -23, 32, -23, 16, -10, 3, 66, 19, -20, 24, 7,
+ 11, -3, 0, -3, -1, -50, -46, 2, -18, -3, 4, -1, -2, 3, -3,
+ -19, 41, -36, 9, 11, -24, 21, -16, 9, -3, -25, -3, 10, 18, -9,
+ -2, -5, -1, -5, 6, -4, -3, 2, -26, 21, -19, 35, -15, 7, -13,
+ 17, -19, 39, -43, 48, -31, 16, -9, 7, -2, -5, 3, -4, 9, -19,
+ 27, -55, 63, -35, 10, 26, -44, -2, 9, 4, 1, -6, 8, -9, 5,
+ -8, -1, -3, -16, 45, -42, 5, 15, -16, 10, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, -16, 24, -55, 47, -38, 27, -19, 7, -3, 1,
+ 16, 27, 20, -19, 18, 5, -7, 1, -5, 2, -6, 8, -22, 0, -3,
+ -3, 8, -1, 7, -8, 1, -3, 5, 0, 17, -48, 58, -52, 29, -7,
+ -2, 3, -10, 6, -26, 58, -31, 1, -6, 3, 93, -29, 39, 3, 17,
+ 5, 6, -1, -1, -1, 27, 13, 10, 19, -7, -34, 12, 10, -4, 9,
+ -76, 9, 8, -28, -2, -11, 2, -1, 3, 1, -83, 38, -39, 4, -16,
+ -6, -2, -5, 5, -2,
+};
+
+static const float shift_filt[3][7] = {
+ {-0.011915f, 0.046995f, -0.152373f, 0.614108f, 0.614108f, -0.152373f,
+ 0.046995f},
+ {-0.0324855f, 0.0859768f, -0.2042986f, 0.9640297f, 0.2086420f, -0.0302054f,
+ -0.0063646f},
+ {-0.0063646f, -0.0302054f, 0.2086420f, 0.9640297f, -0.2042986f, 0.0859768f,
+ -0.0324855f}
+};
+
+static const float vbr_hb_thresh[5][11] = {
+ {-1.0f, -1.0f, -1.0f, -1.0f, -1.0f, -1.0f, -1.0f, -1.0f, -1.0f, -1.0f, -1.0f}, /* silence */
+ {-1.0f, -1.0f, -1.0f, -1.0f, -1.0f, -1.0f, -1.0f, -1.0f, -1.0f, -1.0f, -1.0f}, /* 2 kbps */
+ {11.0f, 11.0f, 9.5f, 8.5f, 7.5f, 6.0f, 5.0f, 3.9f, 3.0f, 2.0f, 1.0f}, /* 6 kbps */
+ {11.0f, 11.0f, 11.0f, 11.0f, 11.0f, 9.5f, 8.7f, 7.8f, 7.0f, 6.5f, 4.0f}, /* 10 kbps */
+ {11.0f, 11.0f, 11.0f, 11.0f, 11.0f, 11.0f, 11.0f, 11.0f, 9.8f, 7.5f, 5.5f} /* 18 kbps */
+};
+
+static const float vbr_uhb_thresh[2][11] = {
+ {-1.0f, -1.0f, -1.0f, -1.0f, -1.0f, -1.0f, -1.0f, -1.0f, -1.0f, -1.0f, -1.0f}, /* silence */
+ { 3.9f, 2.5f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, -1.0f} /* 2 kbps */
+};
+
+static const float h0[64] = {
+ 3.596189e-05f, -0.0001123515f, -0.0001104587f, 0.0002790277f,
+ 0.0002298438f, -0.0005953563f, -0.0003823631f, 0.00113826f,
+ 0.0005308539f, -0.001986177f, -0.0006243724f, 0.003235877f,
+ 0.0005743159f, -0.004989147f, -0.0002584767f, 0.007367171f,
+ -0.0004857935f, -0.01050689f, 0.001894714f, 0.01459396f,
+ -0.004313674f, -0.01994365f, 0.00828756f, 0.02716055f,
+ -0.01485397f, -0.03764973f, 0.026447f, 0.05543245f,
+ -0.05095487f, -0.09779096f, 0.1382363f, 0.4600981f,
+ 0.4600981f, 0.1382363f, -0.09779096f, -0.05095487f,
+ 0.05543245f, 0.026447f, -0.03764973f, -0.01485397f,
+ 0.02716055f, 0.00828756f, -0.01994365f, -0.004313674f,
+ 0.01459396f, 0.001894714f, -0.01050689f, -0.0004857935f,
+ 0.007367171f, -0.0002584767f, -0.004989147f, 0.0005743159f,
+ 0.003235877f, -0.0006243724f, -0.001986177f, 0.0005308539f,
+ 0.00113826f, -0.0003823631f, -0.0005953563f, 0.0002298438f,
+ 0.0002790277f, -0.0001104587f, -0.0001123515f, 3.596189e-05f
+};
+
+static const float gc_quant_bound[16] = {
+ 0.97979, 1.28384, 1.68223, 2.20426, 2.88829, 3.78458, 4.95900, 6.49787,
+ 8.51428, 11.15642, 14.61846, 19.15484, 25.09895, 32.88761, 43.09325, 56.46588
+};
+
+static const uint16_t wb_skip_table[8] = { 0, 36, 112, 192, 352, 0, 0, 0 };
+static const float e_ratio_quant[4] = {.25f, .315f, .397f, .5f};
+static const float e_ratio_quant_bounds[3] = {0.2825f, 0.356f, 0.4485f};
+static const float attenuation[10] = { 1.f, 0.961f, 0.852f, 0.698f, 0.527f,
+ 0.368f, 0.237f, 0.141f, 0.077f, 0.039f };
+static const float exc_gain_quant_scal3_bound[7] = {
+ 0.112338f, 0.236980f, 0.369316f, 0.492054f,
+ 0.637471f, 0.828874f, 1.132784f
+};
+static const float exc_gain_quant_scal3[8] = { 0.061130f, 0.163546f, 0.310413f,
+ 0.428220f, 0.555887f, 0.719055f,
+ 0.938694f, 1.326874f };
+static const float exc_gain_quant_scal1_bound[1] = { 0.87798f };
+static const float exc_gain_quant_scal1[2] = { 0.70469f, 1.05127f };
+
+#endif /* AVCODEC_SPEEXDATA_H */
diff --git a/libavcodec/speexdec.c b/libavcodec/speexdec.c
new file mode 100644
index 0000000000..35270e6723
--- /dev/null
+++ b/libavcodec/speexdec.c
@@ -0,0 +1,1590 @@
+/*
+ * Copyright 2002-2008 Xiph.org Foundation
+ * Copyright 2002-2008 Jean-Marc Valin
+ * Copyright 2005-2007 Analog Devices Inc.
+ * Copyright 2005-2008 Commonwealth Scientific and Industrial Research Organisation (CSIRO)
+ * Copyright 1993, 2002, 2006 David Rowe
+ * Copyright 2003 EpicGames
+ * Copyright 1992-1994 Jutta Degener, Carsten Bormann
+
+ * 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.
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavutil/avassert.h"
+#include "libavutil/float_dsp.h"
+#include "avcodec.h"
+#include "bytestream.h"
+#include "get_bits.h"
+#include "internal.h"
+#include "speexdata.h"
+
+#define SPEEX_NB_MODES 3
+#define SPEEX_INBAND_STEREO 9
+
+#define QMF_ORDER 64
+#define NB_ORDER 10
+#define NB_FRAME_SIZE 160
+#define NB_SUBMODES 9
+#define NB_SUBMODE_BITS 4
+#define SB_SUBMODE_BITS 3
+
+#define NB_SUBFRAME_SIZE 40
+#define NB_NB_SUBFRAMES 4
+#define NB_PITCH_START 17
+#define NB_PITCH_END 144
+
+#define NB_DEC_BUFFER (NB_FRAME_SIZE + 2 * NB_PITCH_END + NB_SUBFRAME_SIZE + 12)
+
+#define SPEEX_MEMSET(dst, c, n) (memset((dst), (c), (n) * sizeof(*(dst))))
+#define SPEEX_COPY(dst, src, n) (memcpy((dst), (src), (n) * sizeof(*(dst))))
+
+#define LSP_LINEAR(i) (.25f * (i) + .25f)
+#define LSP_LINEAR_HIGH(i) (.3125f * (i) + .75f)
+#define LSP_DIV_256(x) (0.00390625f * (x))
+#define LSP_DIV_512(x) (0.001953125f * (x))
+#define LSP_DIV_1024(x) (0.0009765625f * (x))
+
+typedef struct LtpParams {
+ const int8_t *gain_cdbk;
+ int gain_bits;
+ int pitch_bits;
+} LtpParam;
+
+static const LtpParam ltp_params_vlbr = { gain_cdbk_lbr, 5, 0 };
+static const LtpParam ltp_params_lbr = { gain_cdbk_lbr, 5, 7 };
+static const LtpParam ltp_params_med = { gain_cdbk_lbr, 5, 7 };
+static const LtpParam ltp_params_nb = { gain_cdbk_nb, 7, 7 };
+
+typedef struct SplitCodebookParams {
+ int subvect_size;
+ int nb_subvect;
+ const signed char *shape_cb;
+ int shape_bits;
+ int have_sign;
+} SplitCodebookParams;
+
+static const SplitCodebookParams split_cb_nb_ulbr = { 20, 2, exc_20_32_table, 5, 0 };
+static const SplitCodebookParams split_cb_nb_vlbr = { 10, 4, exc_10_16_table, 4, 0 };
+static const SplitCodebookParams split_cb_nb_lbr = { 10, 4, exc_10_32_table, 5, 0 };
+static const SplitCodebookParams split_cb_nb_med = { 8, 5, exc_8_128_table, 7, 0 };
+static const SplitCodebookParams split_cb_nb = { 5, 8, exc_5_64_table, 6, 0 };
+static const SplitCodebookParams split_cb_sb = { 5, 8, exc_5_256_table, 8, 0 };
+static const SplitCodebookParams split_cb_high = { 8, 5, hexc_table, 7, 1 };
+static const SplitCodebookParams split_cb_high_lbr= { 10, 4, hexc_10_32_table,5, 0 };
+
+/** Quantizes LSPs */
+typedef void (*lsp_quant_func)(float *, float *, int, GetBitContext *);
+
+/** Decodes quantized LSPs */
+typedef void (*lsp_unquant_func)(float *, int, GetBitContext *);
+
+/** Long-term predictor quantization */
+typedef int (*ltp_quant_func)(float *, float *, float *,
+ float *, float *, float *,
+ const void *, int, int, float, int, int,
+ GetBitContext *, char *, float *,
+ float *, int, int, int, float *);
+
+/** Long-term un-quantize */
+typedef void (*ltp_unquant_func)(float *, float *, int, int,
+ float, const void *, int, int *,
+ float *, GetBitContext *, int, int,
+ float, int);
+
+/** Innovation quantization function */
+typedef void (*innovation_quant_func)(float *, float *,
+ float *, float *, const void *,
+ int, int, float *, float *,
+ GetBitContext *, char *, int, int);
+
+/** Innovation unquantization function */
+typedef void (*innovation_unquant_func)(float *, const void *, int,
+ GetBitContext *, int32_t *);
+
+typedef struct SpeexSubmode {
+ int lbr_pitch; /**< Set to -1 for "normal" modes, otherwise encode pitch using
+ a global pitch and allowing a +- lbr_pitch variation (for
+ low not-rates)*/
+ int forced_pitch_gain; /**< Use the same (forced) pitch gain for all
+ sub-frames */
+ int have_subframe_gain; /**< Number of bits to use as sub-frame innovation
+ gain */
+ int double_codebook; /**< Apply innovation quantization twice for higher
+ quality (and higher bit-rate)*/
+ lsp_unquant_func lsp_unquant; /**< LSP unquantization function */
+
+ ltp_unquant_func ltp_unquant; /**< Long-term predictor (pitch) un-quantizer */
+ const void *LtpParam; /**< Pitch parameters (options) */
+
+ innovation_unquant_func innovation_unquant; /**< Innovation un-quantization */
+ const void *innovation_params; /**< Innovation quantization parameters*/
+
+ float comb_gain; /**< Gain of enhancer comb filter */
+} SpeexSubmode;
+
+typedef struct SpeexMode {
+ int modeID; /** ID of the mode */
+ int (*decode)(AVCodecContext *avctx, void *dec, GetBitContext *gb, float *out);
+ int frame_size; /**< Size of frames used for decoding */
+ int subframe_size; /**< Size of sub-frames used for decoding */
+ int lpc_size; /**< Order of LPC filter */
+ float folding_gain; /**< Folding gain */
+ const SpeexSubmode *submodes[NB_SUBMODES]; /**< Sub-mode data for the mode */
+ int default_submode; /**< Default sub-mode to use when decoding */
+} SpeexMode;
+
+typedef struct DecoderState {
+ const SpeexMode *mode;
+ int modeID; /** ID of the decoder mode */
+ int first; /** Is first frame */
+ int full_frame_size; /**< Length of full-band frames */
+ int is_wideband; /**< If wideband is present */
+ int count_lost; /**< Was the last frame lost? */
+ int frame_size; /**< Length of high-band frames */
+ int subframe_size; /**< Length of high-band sub-frames */
+ int nb_subframes; /**< Number of high-band sub-frames */
+ int lpc_size; /**< Order of high-band LPC analysis */
+ float last_ol_gain; /**< Open-loop gain for previous frame */
+ float *innov_save; /** If non-NULL, innovation is copied here */
+
+ /* This is used in packet loss concealment */
+ int last_pitch; /**< Pitch of last correctly decoded frame */
+ float last_pitch_gain; /**< Pitch gain of last correctly decoded frame */
+ 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 */
+
+ /* Vocoder data */
+ float voc_m1;
+ float voc_m2;
+ float voc_mean;
+ int voc_offset;
+
+ int dtx_enabled;
+ int highpass_enabled; /**< Is the input filter enabled */
+
+ float *exc; /**< Start of excitation frame */
+ float mem_hp[2]; /**< High-pass filter memory */
+ float exc_buf[NB_DEC_BUFFER]; /**< Excitation buffer */
+ float old_qlsp[NB_ORDER]; /**< Quantized LSPs for previous frame */
+ float interp_qlpc[NB_ORDER]; /**< Interpolated quantized LPCs */
+ float mem_sp[NB_ORDER]; /**< Filter memory for synthesis signal */
+ float g0_mem[QMF_ORDER];
+ float g1_mem[QMF_ORDER];
+ float pi_gain[NB_NB_SUBFRAMES]; /**< Gain of LPC filter at theta=pi (fe/2) */
+ float exc_rms[NB_NB_SUBFRAMES]; /**< RMS of excitation per subframe */
+} DecoderState;
+
+/* Default handler for user callbacks: skip it */
+static int speex_default_user_handler(GetBitContext *gb, void *state, void *data)
+{
+ const int req_size = get_bits(gb, 4);
+ skip_bits_long(gb, 5 + 8 * req_size);
+ return 0;
+}
+
+typedef struct StereoState {
+ float balance; /**< Left/right balance info */
+ float e_ratio; /**< Ratio of energies: E(left+right)/[E(left)+E(right)] */
+ float smooth_left; /**< Smoothed left channel gain */
+ float smooth_right; /**< Smoothed right channel gain */
+} StereoState;
+
+typedef struct SpeexContext {
+ AVClass *class;
+ GetBitContext gb;
+
+ int32_t version_id; /**< Version for Speex (for checking compatibility) */
+ int32_t rate; /**< Sampling rate used */
+ int32_t mode; /**< Mode used (0 for narrowband, 1 for wideband) */
+ int32_t bitstream_version; /**< Version ID of the bit-stream */
+ int32_t nb_channels; /**< Number of channels decoded */
+ int32_t bitrate; /**< Bit-rate used */
+ int32_t frame_size; /**< Size of frames */
+ int32_t vbr; /**< 1 for a VBR decoding, 0 otherwise */
+ int32_t frames_per_packet; /**< Number of frames stored per Ogg packet */
+ int32_t extra_headers; /**< Number of additional headers after the comments */
+
+ int pkt_size;
+
+ StereoState stereo;
+ DecoderState st[SPEEX_NB_MODES];
+
+ AVFloatDSPContext *fdsp;
+} SpeexContext;
+
+static void lsp_unquant_lbr(float *lsp, int order, GetBitContext *gb)
+{
+ int id;
+
+ for (int i = 0; i < order; i++)
+ lsp[i] = LSP_LINEAR(i);
+
+ id = get_bits(gb, 6);
+ for (int i = 0; i < 10; i++)
+ lsp[i] += LSP_DIV_256(cdbk_nb[id * 10 + i]);
+
+ id = get_bits(gb, 6);
+ for (int i = 0; i < 5; i++)
+ lsp[i] += LSP_DIV_512(cdbk_nb_low1[id * 5 + i]);
+
+ id = get_bits(gb, 6);
+ for (int i = 0; i < 5; i++)
+ lsp[i + 5] += LSP_DIV_512(cdbk_nb_high1[id * 5 + i]);
+}
+
+static void forced_pitch_unquant(float *exc, float *exc_out, int start, int end,
+ float pitch_coef, const void *par, int nsf,
+ int *pitch_val, float *gain_val, GetBitContext *gb, int count_lost,
+ int subframe_offset, float last_pitch_gain, int cdbk_offset)
+{
+ av_assert0(!isnan(pitch_coef));
+ pitch_coef = fminf(pitch_coef, .99f);
+ for (int i = 0; i < nsf; i++) {
+ exc_out[i] = exc[i - start] * pitch_coef;
+ exc[i] = exc_out[i];
+ }
+ pitch_val[0] = start;
+ gain_val[0] = gain_val[2] = 0.f;
+ gain_val[1] = pitch_coef;
+}
+
+static inline float speex_rand(float std, int32_t *seed)
+{
+ const uint32_t jflone = 0x3f800000;
+ const uint32_t jflmsk = 0x007fffff;
+ float fran;
+ uint32_t ran;
+ seed[0] = 1664525 * seed[0] + 1013904223;
+ ran = jflone | (jflmsk & seed[0]);
+ fran = av_int2float(ran);
+ fran -= 1.5f;
+ fran *= std;
+ return fran;
+}
+
+static void noise_codebook_unquant(float *exc, const void *par, int nsf,
+ GetBitContext *gb, int32_t *seed)
+{
+ for (int i = 0; i < nsf; i++)
+ exc[i] = speex_rand(1.f, seed);
+}
+
+static void split_cb_shape_sign_unquant(float *exc, const void *par, int nsf,
+ GetBitContext *gb, int32_t *seed)
+{
+ int subvect_size, nb_subvect, have_sign, shape_bits;
+ const SplitCodebookParams *params;
+ const signed char *shape_cb;
+ int signs[10], ind[10];
+
+ params = par;
+ subvect_size = params->subvect_size;
+ nb_subvect = params->nb_subvect;
+
+ shape_cb = params->shape_cb;
+ have_sign = params->have_sign;
+ shape_bits = params->shape_bits;
+
+ /* Decode codewords and gains */
+ for (int i = 0; i < nb_subvect; i++) {
+ signs[i] = have_sign ? get_bits1(gb) : 0;
+ ind[i] = get_bitsz(gb, shape_bits);
+ }
+ /* Compute decoded excitation */
+ for (int i = 0; i < nb_subvect; i++) {
+ const float s = signs[i] ? -1.f : 1.f;
+
+ for (int j = 0; j < subvect_size; j++)
+ exc[subvect_size * i + j] += s * 0.03125f * shape_cb[ind[i] * subvect_size + j];
+ }
+}
+
+#define SUBMODE(x) st->submodes[st->submodeID]->x
+
+#define gain_3tap_to_1tap(g) (FFABS(g[1]) + (g[0] > 0.f ? g[0] : -.5f * g[0]) + (g[2] > 0.f ? g[2] : -.5f * g[2]))
+
+static void
+pitch_unquant_3tap(float *exc, float *exc_out, int start, int end, float pitch_coef,
+ const void *par, int nsf, int *pitch_val, float *gain_val, GetBitContext *gb,
+ int count_lost, int subframe_offset, float last_pitch_gain, int cdbk_offset)
+{
+ int pitch, gain_index, gain_cdbk_size;
+ const int8_t *gain_cdbk;
+ const LtpParam *params;
+ float gain[3];
+
+ params = (const LtpParam *)par;
+ gain_cdbk_size = 1 << params->gain_bits;
+ gain_cdbk = params->gain_cdbk + 4 * gain_cdbk_size * cdbk_offset;
+
+ pitch = get_bitsz(gb, params->pitch_bits);
+ pitch += start;
+ gain_index = get_bitsz(gb, params->gain_bits);
+ gain[0] = 0.015625f * gain_cdbk[gain_index * 4] + .5f;
+ gain[1] = 0.015625f * gain_cdbk[gain_index * 4 + 1] + .5f;
+ gain[2] = 0.015625f * gain_cdbk[gain_index * 4 + 2] + .5f;
+
+ if (count_lost && pitch > subframe_offset) {
+ float tmp = count_lost < 4 ? last_pitch_gain : 0.5f * last_pitch_gain;
+ float gain_sum;
+
+ tmp = fminf(tmp, .95f);
+ gain_sum = gain_3tap_to_1tap(gain);
+
+ if (gain_sum > tmp && gain_sum > 0.f) {
+ float fact = tmp / gain_sum;
+ for (int i = 0; i < 3; i++)
+ gain[i] *= fact;
+ }
+ }
+
+ pitch_val[0] = pitch;
+ gain_val[0] = gain[0];
+ gain_val[1] = gain[1];
+ gain_val[2] = gain[2];
+ SPEEX_MEMSET(exc_out, 0, nsf);
+
+ for (int i = 0; i < 3; i++) {
+ int tmp1, tmp3;
+ int pp = pitch + 1 - i;
+ tmp1 = nsf;
+ if (tmp1 > pp)
+ tmp1 = pp;
+ for (int j = 0; j < tmp1; j++)
+ exc_out[j] += gain[2 - i] * exc[j - pp];
+ tmp3 = nsf;
+ if (tmp3 > pp + pitch)
+ tmp3 = pp + pitch;
+ for (int j = tmp1; j < tmp3; j++)
+ exc_out[j] += gain[2 - i] * exc[j - pp - pitch];
+ }
+}
+
+static void lsp_unquant_nb(float *lsp, int order, GetBitContext *gb)
+{
+ int id;
+
+ for (int i = 0; i < order; i++)
+ lsp[i] = LSP_LINEAR(i);
+
+ id = get_bits(gb, 6);
+ for (int i = 0; i < 10; i++)
+ lsp[i] += LSP_DIV_256(cdbk_nb[id * 10 + i]);
+
+ id = get_bits(gb, 6);
+ for (int i = 0; i < 5; i++)
+ lsp[i] += LSP_DIV_512(cdbk_nb_low1[id * 5 + i]);
+
+ id = get_bits(gb, 6);
+ for (int i = 0; i < 5; i++)
+ lsp[i] += LSP_DIV_1024(cdbk_nb_low2[id * 5 + i]);
+
+ id = get_bits(gb, 6);
+ for (int i = 0; i < 5; i++)
+ lsp[i + 5] += LSP_DIV_512(cdbk_nb_high1[id * 5 + i]);
+
+ id = get_bits(gb, 6);
+ for (int i = 0; i < 5; i++)
+ lsp[i + 5] += LSP_DIV_1024(cdbk_nb_high2[id * 5 + i]);
+}
+
+static void lsp_unquant_high(float *lsp, int order, GetBitContext *gb)
+{
+ int id;
+
+ for (int i = 0; i < order; i++)
+ lsp[i] = LSP_LINEAR_HIGH(i);
+
+ id = get_bits(gb, 6);
+ for (int i = 0; i < order; i++)
+ lsp[i] += LSP_DIV_256(high_lsp_cdbk[id * order + i]);
+
+ id = get_bits(gb, 6);
+ for (int i = 0; i < order; i++)
+ lsp[i] += LSP_DIV_512(high_lsp_cdbk2[id * order + i]);
+}
+
+/* 2150 bps "vocoder-like" mode for comfort noise */
+static const SpeexSubmode nb_submode1 = {
+ 0, 1, 0, 0, lsp_unquant_lbr, forced_pitch_unquant, NULL,
+ noise_codebook_unquant, NULL, -1.f
+};
+
+/* 5.95 kbps very low bit-rate mode */
+static const SpeexSubmode nb_submode2 = {
+ 0, 0, 0, 0, lsp_unquant_lbr, pitch_unquant_3tap, &ltp_params_vlbr,
+ split_cb_shape_sign_unquant, &split_cb_nb_vlbr, .6f
+};
+
+/* 8 kbps low bit-rate mode */
+static const SpeexSubmode nb_submode3 = {
+ -1, 0, 1, 0, lsp_unquant_lbr, pitch_unquant_3tap, &ltp_params_lbr,
+ split_cb_shape_sign_unquant, &split_cb_nb_lbr, .55f
+};
+
+/* 11 kbps medium bit-rate mode */
+static const SpeexSubmode nb_submode4 = {
+ -1, 0, 1, 0, lsp_unquant_lbr, pitch_unquant_3tap, &ltp_params_med,
+ split_cb_shape_sign_unquant, &split_cb_nb_med, .45f
+};
+
+/* 15 kbps high bit-rate mode */
+static const SpeexSubmode nb_submode5 = {
+ -1, 0, 3, 0, lsp_unquant_nb, pitch_unquant_3tap, &ltp_params_nb,
+ split_cb_shape_sign_unquant, &split_cb_nb, .25f
+};
+
+/* 18.2 high bit-rate mode */
+static const SpeexSubmode nb_submode6 = {
+ -1, 0, 3, 0, lsp_unquant_nb, pitch_unquant_3tap, &ltp_params_nb,
+ split_cb_shape_sign_unquant, &split_cb_sb, .15f
+};
+
+/* 24.6 kbps high bit-rate mode */
+static const SpeexSubmode nb_submode7 = {
+ -1, 0, 3, 1, lsp_unquant_nb, pitch_unquant_3tap, &ltp_params_nb,
+ split_cb_shape_sign_unquant, &split_cb_nb, 0.05f
+};
+
+/* 3.95 kbps very low bit-rate mode */
+static const SpeexSubmode nb_submode8 = {
+ 0, 1, 0, 0, lsp_unquant_lbr, forced_pitch_unquant, NULL,
+ split_cb_shape_sign_unquant, &split_cb_nb_ulbr, .5f
+};
+
+static const SpeexSubmode wb_submode1 = {
+ 0, 0, 1, 0, lsp_unquant_high, NULL, NULL,
+ NULL, NULL, -1.f
+};
+
+static const SpeexSubmode wb_submode2 = {
+ 0, 0, 1, 0, lsp_unquant_high, NULL, NULL,
+ split_cb_shape_sign_unquant, &split_cb_high_lbr, -1.f
+};
+
+static const SpeexSubmode wb_submode3 = {
+ 0, 0, 1, 0, lsp_unquant_high, NULL, NULL,
+ split_cb_shape_sign_unquant, &split_cb_high, -1.f
+};
+
+static const SpeexSubmode wb_submode4 = {
+ 0, 0, 1, 1, lsp_unquant_high, NULL, NULL,
+ split_cb_shape_sign_unquant, &split_cb_high, -1.f
+};
+
+static int nb_decode(AVCodecContext *, void *, GetBitContext *, float *);
+static int sb_decode(AVCodecContext *, void *, GetBitContext *, float *);
+
+static const SpeexMode speex_modes[SPEEX_NB_MODES] = {
+ {
+ .modeID = 0,
+ .decode = nb_decode,
+ .frame_size = NB_FRAME_SIZE,
+ .subframe_size = NB_SUBFRAME_SIZE,
+ .lpc_size = NB_ORDER,
+ .submodes = {
+ NULL, &nb_submode1, &nb_submode2, &nb_submode3, &nb_submode4,
+ &nb_submode5, &nb_submode6, &nb_submode7, &nb_submode8
+ },
+ .default_submode = 5,
+ },
+ {
+ .modeID = 1,
+ .decode = sb_decode,
+ .frame_size = NB_FRAME_SIZE,
+ .subframe_size = NB_SUBFRAME_SIZE,
+ .lpc_size = 8,
+ .folding_gain = 0.9f,
+ .submodes = {
+ NULL, &wb_submode1, &wb_submode2, &wb_submode3, &wb_submode4
+ },
+ .default_submode = 3,
+ },
+ {
+ .modeID = 2,
+ .decode = sb_decode,
+ .frame_size = 320,
+ .subframe_size = 80,
+ .lpc_size = 8,
+ .folding_gain = 0.7f,
+ .submodes = {
+ NULL, &wb_submode1
+ },
+ .default_submode = 1,
+ },
+};
+
+static float compute_rms(const float *x, int len)
+{
+ float sum = 0.f;
+
+ for (int i = 0; i < len; i++)
+ sum += x[i] * x[i];
+
+ av_assert0(len > 0);
+ return sqrtf(.1f + sum / len);
+}
+
+static void bw_lpc(float gamma, const float *lpc_in,
+ float *lpc_out, int order)
+{
+ float tmp = gamma;
+
+ for (int i = 0; i < order; i++) {
+ lpc_out[i] = tmp * lpc_in[i];
+ tmp *= gamma;
+ }
+}
+
+static void iir_mem(const float *x, const float *den,
+ float *y, int N, int ord, float *mem)
+{
+ for (int i = 0; i < N; i++) {
+ float yi = x[i] + mem[0];
+ float nyi = -yi;
+ for (int j = 0; j < ord - 1; j++)
+ mem[j] = mem[j + 1] + den[j] * nyi;
+ mem[ord - 1] = den[ord - 1] * nyi;
+ y[i] = yi;
+ }
+}
+
+static void highpass(const float *x, float *y, int len, float *mem, int wide)
+{
+ static const float Pcoef[2][3] = {{ 1.00000f, -1.92683f, 0.93071f }, { 1.00000f, -1.97226f, 0.97332f } };
+ static const float Zcoef[2][3] = {{ 0.96446f, -1.92879f, 0.96446f }, { 0.98645f, -1.97277f, 0.98645f } };
+ const float *den, *num;
+
+ den = Pcoef[wide];
+ num = Zcoef[wide];
+ for (int i = 0; i < len; i++) {
+ float yi = num[0] * x[i] + mem[0];
+ mem[0] = mem[1] + num[1] * x[i] + -den[1] * yi;
+ mem[1] = num[2] * x[i] + -den[2] * yi;
+ y[i] = yi;
+ }
+}
+
+#define median3(a, b, c) \
+ ((a) < (b) ? ((b) < (c) ? (b) : ((a) < (c) ? (c) : (a))) \
+ : ((c) < (b) ? (b) : ((c) < (a) ? (c) : (a))))
+
+static int speex_std_stereo(GetBitContext *gb, void *state, void *data)
+{
+ StereoState *stereo = data;
+ float sign = get_bits1(gb) ? -1.f : 1.f;
+
+ stereo->balance = exp(sign * .25f * get_bits(gb, 5));
+ stereo->e_ratio = e_ratio_quant[get_bits(gb, 2)];
+
+ return 0;
+}
+
+static int speex_inband_handler(GetBitContext *gb, void *state, StereoState *stereo)
+{
+ int id = get_bits(gb, 4);
+
+ if (id == SPEEX_INBAND_STEREO) {
+ return speex_std_stereo(gb, state, stereo);
+ } else {
+ int adv;
+
+ if (id < 2)
+ adv = 1;
+ else if (id < 8)
+ adv = 4;
+ else if (id < 10)
+ adv = 8;
+ else if (id < 12)
+ adv = 16;
+ else if (id < 14)
+ adv = 32;
+ else
+ adv = 64;
+ skip_bits_long(gb, adv);
+ }
+ return 0;
+}
+
+static void sanitize_values(float *vec, float min_val, float max_val, int len)
+{
+ for (int i = 0; i < len; i++) {
+ if (!isnormal(vec[i]) || fabsf(vec[i]) < 1e-8f)
+ vec[i] = 0.f;
+ else
+ vec[i] = av_clipf(vec[i], min_val, max_val);
+ }
+}
+
+static void signal_mul(const float *x, float *y, float scale, int len)
+{
+ for (int i = 0; i < len; i++)
+ y[i] = scale * x[i];
+}
+
+static float inner_prod(const float *x, const float *y, int len)
+{
+ float sum = 0.f;
+
+ for (int i = 0; i < len; i += 8) {
+ float part = 0.f;
+ part += x[i + 0] * y[i + 0];
+ part += x[i + 1] * y[i + 1];
+ part += x[i + 2] * y[i + 2];
+ part += x[i + 3] * y[i + 3];
+ part += x[i + 4] * y[i + 4];
+ part += x[i + 5] * y[i + 5];
+ part += x[i + 6] * y[i + 6];
+ part += x[i + 7] * y[i + 7];
+ sum += part;
+ }
+
+ return sum;
+}
+
+static int interp_pitch(const float *exc, float *interp, int pitch, int len)
+{
+ float corr[4][7], maxcorr;
+ int maxi, maxj;
+
+ for (int i = 0; i < 7; i++)
+ corr[0][i] = inner_prod(exc, exc - pitch - 3 + i, len);
+ for (int i = 0; i < 3; i++) {
+ for (int j = 0; j < 7; j++) {
+ int i1, i2;
+ float tmp = 0.f;
+
+ i1 = 3 - j;
+ if (i1 < 0)
+ i1 = 0;
+ i2 = 10 - j;
+ if (i2 > 7)
+ i2 = 7;
+ for (int k = i1; k < i2; k++)
+ tmp += shift_filt[i][k] * corr[0][j + k - 3];
+ corr[i + 1][j] = tmp;
+ }
+ }
+ maxi = maxj = 0;
+ maxcorr = corr[0][0];
+ for (int i = 0; i < 4; i++) {
+ for (int j = 0; j < 7; j++) {
+ if (corr[i][j] > maxcorr) {
+ maxcorr = corr[i][j];
+ maxi = i;
+ maxj = j;
+ }
+ }
+ }
+ for (int i = 0; i < len; i++) {
+ float tmp = 0.f;
+ if (maxi > 0.f) {
+ for (int k = 0; k < 7; k++)
+ tmp += exc[i - (pitch - maxj + 3) + k - 3] * shift_filt[maxi - 1][k];
+ } else {
+ tmp = exc[i - (pitch - maxj + 3)];
+ }
+ interp[i] = tmp;
+ }
+ return pitch - maxj + 3;
+}
+
+static void multicomb(const float *exc, float *new_exc, float *ak, int p, int nsf,
+ int pitch, int max_pitch, float comb_gain)
+{
+ float old_ener, new_ener;
+ float iexc0_mag, iexc1_mag, exc_mag;
+ float iexc[4 * NB_SUBFRAME_SIZE];
+ float corr0, corr1, gain0, gain1;
+ float pgain1, pgain2;
+ float c1, c2, g1, g2;
+ float ngain, gg1, gg2;
+ int corr_pitch = pitch;
+
+ interp_pitch(exc, iexc, corr_pitch, 80);
+ if (corr_pitch > max_pitch)
+ interp_pitch(exc, iexc + nsf, 2 * corr_pitch, 80);
+ else
+ interp_pitch(exc, iexc + nsf, -corr_pitch, 80);
+
+ iexc0_mag = sqrtf(1000.f + inner_prod(iexc, iexc, nsf));
+ iexc1_mag = sqrtf(1000.f + inner_prod(iexc + nsf, iexc + nsf, nsf));
+ exc_mag = sqrtf(1.f + inner_prod(exc, exc, nsf));
+ corr0 = inner_prod(iexc, exc, nsf);
+ corr1 = inner_prod(iexc + nsf, exc, nsf);
+ if (corr0 > iexc0_mag * exc_mag)
+ pgain1 = 1.f;
+ else
+ pgain1 = (corr0 / exc_mag) / iexc0_mag;
+ if (corr1 > iexc1_mag * exc_mag)
+ pgain2 = 1.f;
+ else
+ pgain2 = (corr1 / exc_mag) / iexc1_mag;
+ gg1 = exc_mag / iexc0_mag;
+ gg2 = exc_mag / iexc1_mag;
+ if (comb_gain > 0.f) {
+ c1 = .4f * comb_gain + .07f;
+ c2 = .5f + 1.72f * (c1 - .07f);
+ } else {
+ c1 = c2 = 0.f;
+ }
+ g1 = 1.f - c2 * pgain1 * pgain1;
+ g2 = 1.f - c2 * pgain2 * pgain2;
+ g1 = fmaxf(g1, c1);
+ g2 = fmaxf(g2, c1);
+ g1 = c1 / g1;
+ g2 = c1 / g2;
+
+ if (corr_pitch > max_pitch) {
+ gain0 = .7f * g1 * gg1;
+ gain1 = .3f * g2 * gg2;
+ } else {
+ gain0 = .6f * g1 * gg1;
+ gain1 = .6f * g2 * gg2;
+ }
+ for (int i = 0; i < nsf; i++)
+ new_exc[i] = exc[i] + (gain0 * iexc[i]) + (gain1 * iexc[i + nsf]);
+ new_ener = compute_rms(new_exc, nsf);
+ old_ener = compute_rms(exc, nsf);
+
+ old_ener = fmaxf(old_ener, 1.f);
+ new_ener = fmaxf(new_ener, 1.f);
+ old_ener = fminf(old_ener, new_ener);
+ ngain = old_ener / new_ener;
+
+ for (int i = 0; i < nsf; i++)
+ new_exc[i] *= ngain;
+}
+
+static void lsp_interpolate(const float *old_lsp, const float *new_lsp,
+ float *lsp, int len, int subframe,
+ int nb_subframes, float margin)
+{
+ const float tmp = (1.f + subframe) / nb_subframes;
+
+ for (int i = 0; i < len; i++) {
+ lsp[i] = (1.f - tmp) * old_lsp[i] + tmp * new_lsp[i];
+ lsp[i] = av_clipf(lsp[i], margin, M_PI - margin);
+ }
+ for (int i = 1; i < len - 1; i++) {
+ lsp[i] = fmaxf(lsp[i], lsp[i - 1] + margin);
+ if (lsp[i] > lsp[i + 1] - margin)
+ lsp[i] = .5f * (lsp[i] + lsp[i + 1] - margin);
+ }
+}
+
+static void lsp_to_lpc(const float *freq, float *ak, int lpcrdr)
+{
+ float xout1, xout2, xin1, xin2;
+ float *pw, *n0;
+ float Wp[4 * NB_ORDER + 2] = { 0 };
+ float x_freq[NB_ORDER];
+ const int m = lpcrdr >> 1;
+
+ pw = Wp;
+
+ xin1 = xin2 = 1.f;
+
+ for (int i = 0; i < lpcrdr; i++)
+ x_freq[i] = -cosf(freq[i]);
+
+ /* reconstruct P(z) and Q(z) by cascading second order
+ * polynomials in form 1 - 2xz(-1) +z(-2), where x is the
+ * LSP coefficient
+ */
+ for (int j = 0; j <= lpcrdr; j++) {
+ int i2 = 0;
+ for (int i = 0; i < m; i++, i2 += 2) {
+ n0 = pw + (i * 4);
+ xout1 = xin1 + 2.f * x_freq[i2 ] * n0[0] + n0[1];
+ xout2 = xin2 + 2.f * x_freq[i2 + 1] * n0[2] + n0[3];
+ n0[1] = n0[0];
+ n0[3] = n0[2];
+ n0[0] = xin1;
+ n0[2] = xin2;
+ xin1 = xout1;
+ xin2 = xout2;
+ }
+ xout1 = xin1 + n0[4];
+ xout2 = xin2 - n0[5];
+ if (j > 0)
+ ak[j - 1] = (xout1 + xout2) * 0.5f;
+ n0[4] = xin1;
+ n0[5] = xin2;
+
+ xin1 = 0.f;
+ xin2 = 0.f;
+ }
+}
+
+static int nb_decode(AVCodecContext *avctx, void *ptr_st,
+ GetBitContext *gb, float *out)
+{
+ DecoderState *st = ptr_st;
+ float ol_gain = 0, ol_pitch_coef = 0, best_pitch_gain = 0, pitch_average = 0;
+ int m, pitch, wideband, ol_pitch = 0, best_pitch = 40;
+ SpeexContext *s = avctx->priv_data;
+ float innov[NB_SUBFRAME_SIZE];
+ float exc32[NB_SUBFRAME_SIZE];
+ float interp_qlsp[NB_ORDER];
+ float qlsp[NB_ORDER];
+ float ak[NB_ORDER];
+ float pitch_gain[3] = { 0 };
+
+ st->exc = st->exc_buf + 2 * NB_PITCH_END + NB_SUBFRAME_SIZE + 6;
+
+ if (st->encode_submode) {
+ do { /* Search for next narrowband block (handle requests, skip wideband blocks) */
+ if (get_bits_left(gb) < 5)
+ return AVERROR_INVALIDDATA;
+ wideband = get_bits1(gb);
+ if (wideband) /* Skip wideband block (for compatibility) */ {
+ int submode, advance;
+
+ submode = get_bits(gb, SB_SUBMODE_BITS);
+ advance = wb_skip_table[submode];
+ advance -= SB_SUBMODE_BITS + 1;
+ if (advance < 0)
+ return AVERROR_INVALIDDATA;
+ skip_bits_long(gb, advance);
+
+ if (get_bits_left(gb) < 5)
+ return AVERROR_INVALIDDATA;
+ wideband = get_bits1(gb);
+ if (wideband) {
+ submode = get_bits(gb, SB_SUBMODE_BITS);
+ advance = wb_skip_table[submode];
+ advance -= SB_SUBMODE_BITS + 1;
+ if (advance < 0)
+ return AVERROR_INVALIDDATA;
+ skip_bits_long(gb, advance);
+ wideband = get_bits1(gb);
+ if (wideband) {
+ av_log(avctx, AV_LOG_ERROR, "more than two wideband layers found\n");
+ return AVERROR_INVALIDDATA;
+ }
+ }
+ }
+ if (get_bits_left(gb) < 4)
+ return AVERROR_INVALIDDATA;
+ m = get_bits(gb, 4);
+ if (m == 15) /* We found a terminator */ {
+ return AVERROR_INVALIDDATA;
+ } else if (m == 14) /* Speex in-band request */ {
+ int ret = speex_inband_handler(gb, st, &s->stereo);
+ if (ret)
+ return ret;
+ } else if (m == 13) /* User in-band request */ {
+ int ret = speex_default_user_handler(gb, st, NULL);
+ if (ret)
+ return ret;
+ } else if (m > 8) /* Invalid mode */ {
+ return AVERROR_INVALIDDATA;
+ }
+ } while (m > 8);
+
+ st->submodeID = m; /* Get the sub-mode that was used */
+ }
+
+ /* Shift all buffers by one frame */
+ memmove(st->exc_buf, st->exc_buf + NB_FRAME_SIZE, (2 * NB_PITCH_END + NB_SUBFRAME_SIZE + 12) * sizeof(float));
+
+ /* If null mode (no transmission), just set a couple things to zero */
+ if (st->submodes[st->submodeID] == NULL) {
+ float lpc[NB_ORDER];
+ float innov_gain = 0.f;
+
+ bw_lpc(0.93f, st->interp_qlpc, lpc, NB_ORDER);
+ innov_gain = compute_rms(st->exc, NB_FRAME_SIZE);
+ for (int i = 0; i < NB_FRAME_SIZE; i++)
+ st->exc[i] = speex_rand(innov_gain, &st->seed);
+
+ /* Final signal synthesis from excitation */
+ iir_mem(st->exc, lpc, out, NB_FRAME_SIZE, NB_ORDER, st->mem_sp);
+ st->count_lost = 0;
+
+ return 0;
+ }
+
+ /* Unquantize LSPs */
+ SUBMODE(lsp_unquant)(qlsp, NB_ORDER, gb);
+
+ /* Damp memory if a frame was lost and the LSP changed too much */
+ if (st->count_lost) {
+ float fact, lsp_dist = 0;
+
+ for (int i = 0; i < NB_ORDER; i++)
+ lsp_dist = lsp_dist + FFABS(st->old_qlsp[i] - qlsp[i]);
+ fact = .6f * exp(-.2f * lsp_dist);
+ for (int i = 0; i < NB_ORDER; i++)
+ st->mem_sp[i] = fact * st->mem_sp[i];
+ }
+
+ /* Handle first frame and lost-packet case */
+ if (st->first || st->count_lost)
+ memcpy(st->old_qlsp, qlsp, sizeof(st->old_qlsp));
+
+ /* Get open-loop pitch estimation for low bit-rate pitch coding */
+ if (SUBMODE(lbr_pitch) != -1)
+ ol_pitch = NB_PITCH_START + get_bits(gb, 7);
+
+ if (SUBMODE(forced_pitch_gain))
+ ol_pitch_coef = 0.066667f * get_bits(gb, 4);
+
+ /* Get global excitation gain */
+ ol_gain = expf(get_bits(gb, 5) / 3.5f);
+
+ if (st->submodeID == 1)
+ st->dtx_enabled = get_bits(gb, 4) == 15;
+
+ if (st->submodeID > 1)
+ st->dtx_enabled = 0;
+
+ for (int sub = 0; sub < NB_NB_SUBFRAMES; sub++) { /* Loop on subframes */
+ float *exc, *innov_save = NULL, tmp, ener;
+ int pit_min, pit_max, offset, q_energy;
+
+ offset = NB_SUBFRAME_SIZE * sub; /* Offset relative to start of frame */
+ exc = st->exc + offset; /* Excitation */
+ if (st->innov_save) /* Original signal */
+ innov_save = st->innov_save + offset;
+
+ SPEEX_MEMSET(exc, 0, NB_SUBFRAME_SIZE); /* Reset excitation */
+
+ /* Adaptive codebook contribution */
+ av_assert0(SUBMODE(ltp_unquant));
+ /* Handle pitch constraints if any */
+ if (SUBMODE(lbr_pitch) != -1) {
+ int margin = SUBMODE(lbr_pitch);
+
+ if (margin) {
+ pit_min = ol_pitch - margin + 1;
+ pit_min = FFMAX(pit_min, NB_PITCH_START);
+ pit_max = ol_pitch + margin;
+ pit_max = FFMIN(pit_max, NB_PITCH_START);
+ } else {
+ pit_min = pit_max = ol_pitch;
+ }
+ } else {
+ pit_min = NB_PITCH_START;
+ pit_max = NB_PITCH_END;
+ }
+
+ SUBMODE(ltp_unquant)(exc, exc32, pit_min, pit_max, ol_pitch_coef, SUBMODE(LtpParam),
+ NB_SUBFRAME_SIZE, &pitch, pitch_gain, gb, st->count_lost, offset,
+ st->last_pitch_gain, 0);
+
+ sanitize_values(exc32, -32000, 32000, NB_SUBFRAME_SIZE);
+
+ tmp = gain_3tap_to_1tap(pitch_gain);
+
+ pitch_average += tmp;
+ if ((tmp > best_pitch_gain &&
+ FFABS(2 * best_pitch - pitch) >= 3 &&
+ FFABS(3 * best_pitch - pitch) >= 4 &&
+ FFABS(4 * best_pitch - pitch) >= 5) ||
+ (tmp > .6f * best_pitch_gain &&
+ (FFABS(best_pitch - 2 * pitch) < 3 ||
+ FFABS(best_pitch - 3 * pitch) < 4 ||
+ FFABS(best_pitch - 4 * pitch) < 5)) ||
+ ((.67f * tmp) > best_pitch_gain &&
+ (FFABS(2 * best_pitch - pitch) < 3 ||
+ FFABS(3 * best_pitch - pitch) < 4 ||
+ FFABS(4 * best_pitch - pitch) < 5))) {
+ best_pitch = pitch;
+ if (tmp > best_pitch_gain)
+ best_pitch_gain = tmp;
+ }
+
+ memset(innov, 0, sizeof(innov));
+
+ /* Decode sub-frame gain correction */
+ if (SUBMODE(have_subframe_gain) == 3) {
+ q_energy = get_bits(gb, 3);
+ ener = exc_gain_quant_scal3[q_energy] * ol_gain;
+ } else if (SUBMODE(have_subframe_gain) == 1) {
+ q_energy = get_bits1(gb);
+ ener = exc_gain_quant_scal1[q_energy] * ol_gain;
+ } else {
+ ener = ol_gain;
+ }
+
+ av_assert0(SUBMODE(innovation_unquant));
+ /* Fixed codebook contribution */
+ SUBMODE(innovation_unquant)(innov, SUBMODE(innovation_params), NB_SUBFRAME_SIZE, gb, &st->seed);
+ /* De-normalize innovation and update excitation */
+
+ signal_mul(innov, innov, ener, NB_SUBFRAME_SIZE);
+
+ /* Decode second codebook (only for some modes) */
+ if (SUBMODE(double_codebook)) {
+ float innov2[NB_SUBFRAME_SIZE] = { 0 };
+
+ SUBMODE(innovation_unquant)(innov2, SUBMODE(innovation_params), NB_SUBFRAME_SIZE, gb, &st->seed);
+ signal_mul(innov2, innov2, 0.454545f * ener, NB_SUBFRAME_SIZE);
+ for (int i = 0; i < NB_SUBFRAME_SIZE; i++)
+ innov[i] += innov2[i];
+ }
+ for (int i = 0; i < NB_SUBFRAME_SIZE; i++)
+ exc[i] = exc32[i] + innov[i];
+ if (innov_save)
+ memcpy(innov_save, innov, sizeof(innov));
+
+ /* Vocoder mode */
+ if (st->submodeID == 1) {
+ float g = ol_pitch_coef;
+
+ g = av_clipf(1.5f * (g - .2f), 0.f, 1.f);
+
+ SPEEX_MEMSET(exc, 0, NB_SUBFRAME_SIZE);
+ while (st->voc_offset < NB_SUBFRAME_SIZE) {
+ if (st->voc_offset >= 0)
+ exc[st->voc_offset] = sqrtf(2.f * ol_pitch) * (g * ol_gain);
+ st->voc_offset += ol_pitch;
+ }
+ st->voc_offset -= NB_SUBFRAME_SIZE;
+
+ for (int i = 0; i < NB_SUBFRAME_SIZE; i++) {
+ float exci = exc[i];
+ exc[i] = (.7f * exc[i] + .3f * st->voc_m1) + ((1.f - .85f * g) * innov[i]) - .15f * g * st->voc_m2;
+ st->voc_m1 = exci;
+ st->voc_m2 = innov[i];
+ st->voc_mean = .8f * st->voc_mean + .2f * exc[i];
+ exc[i] -= st->voc_mean;
+ }
+ }
+ }
+
+ if (st->lpc_enh_enabled && SUBMODE(comb_gain) > 0 && !st->count_lost) {
+ multicomb(st->exc - NB_SUBFRAME_SIZE, out, st->interp_qlpc, NB_ORDER,
+ 2 * NB_SUBFRAME_SIZE, best_pitch, 40, SUBMODE(comb_gain));
+ multicomb(st->exc + NB_SUBFRAME_SIZE, out + 2 * NB_SUBFRAME_SIZE,
+ st->interp_qlpc, NB_ORDER, 2 * NB_SUBFRAME_SIZE, best_pitch, 40,
+ SUBMODE(comb_gain));
+ } else {
+ SPEEX_COPY(out, &st->exc[-NB_SUBFRAME_SIZE], NB_FRAME_SIZE);
+ }
+
+ /* If the last packet was lost, re-scale the excitation to obtain the same
+ * energy as encoded in ol_gain */
+ if (st->count_lost) {
+ float exc_ener, gain;
+
+ exc_ener = compute_rms(st->exc, NB_FRAME_SIZE);
+ av_assert0(exc_ener + 1.f > 0.f);
+ gain = fminf(ol_gain / (exc_ener + 1.f), 2.f);
+ for (int i = 0; i < NB_FRAME_SIZE; i++) {
+ st->exc[i] *= gain;
+ out[i] = st->exc[i - NB_SUBFRAME_SIZE];
+ }
+ }
+
+ for (int sub = 0; sub < NB_NB_SUBFRAMES; sub++) { /* Loop on subframes */
+ const int offset = NB_SUBFRAME_SIZE * sub; /* Offset relative to start of frame */
+ float pi_g = 1.f, *sp = out + offset; /* Original signal */
+
+ lsp_interpolate(st->old_qlsp, qlsp, interp_qlsp, NB_ORDER, sub, NB_NB_SUBFRAMES, 0.002f);
+ lsp_to_lpc(interp_qlsp, ak, NB_ORDER); /* Compute interpolated LPCs (unquantized) */
+
+ for (int i = 0; i < NB_ORDER; i += 2) /* Compute analysis filter at w=pi */
+ pi_g += ak[i + 1] - ak[i];
+ st->pi_gain[sub] = pi_g;
+ st->exc_rms[sub] = compute_rms(st->exc + offset, NB_SUBFRAME_SIZE);
+
+ iir_mem(sp, st->interp_qlpc, sp, NB_SUBFRAME_SIZE, NB_ORDER, st->mem_sp);
+
+ memcpy(st->interp_qlpc, ak, sizeof(st->interp_qlpc));
+ }
+
+ if (st->highpass_enabled)
+ highpass(out, out, NB_FRAME_SIZE, st->mem_hp, st->is_wideband);
+
+ /* Store the LSPs for interpolation in the next frame */
+ memcpy(st->old_qlsp, qlsp, sizeof(st->old_qlsp));
+
+ st->count_lost = 0;
+ st->last_pitch = best_pitch;
+ st->last_pitch_gain = .25f * pitch_average;
+ st->last_ol_gain = ol_gain;
+ st->first = 0;
+
+ return 0;
+}
+
+static void qmf_synth(const float *x1, const float *x2, const float *a, float *y, int N, int M, float *mem1, float *mem2)
+{
+ const int M2 = M >> 1, N2 = N >> 1;
+ float xx1[352], xx2[352];
+
+ for (int i = 0; i < N2; i++)
+ xx1[i] = x1[N2-1-i];
+ for (int i = 0; i < M2; i++)
+ xx1[N2+i] = mem1[2*i+1];
+ for (int i = 0; i < N2; i++)
+ xx2[i] = x2[N2-1-i];
+ for (int i = 0; i < M2; i++)
+ xx2[N2+i] = mem2[2*i+1];
+
+ for (int i = 0; i < N2; i += 2) {
+ float y0, y1, y2, y3;
+ float x10, x20;
+
+ y0 = y1 = y2 = y3 = 0.f;
+ x10 = xx1[N2-2-i];
+ x20 = xx2[N2-2-i];
+
+ for (int j = 0; j < M2; j += 2) {
+ float x11, x21;
+ float a0, a1;
+
+ a0 = a[2*j];
+ a1 = a[2*j+1];
+ x11 = xx1[N2-1+j-i];
+ x21 = xx2[N2-1+j-i];
+
+ y0 += a0 * (x11-x21);
+ y1 += a1 * (x11+x21);
+ y2 += a0 * (x10-x20);
+ y3 += a1 * (x10+x20);
+ a0 = a[2*j+2];
+ a1 = a[2*j+3];
+ x10 = xx1[N2+j-i];
+ x20 = xx2[N2+j-i];
+
+ y0 += a0 * (x10-x20);
+ y1 += a1 * (x10+x20);
+ y2 += a0 * (x11-x21);
+ y3 += a1 * (x11+x21);
+ }
+ y[2 * i ] = 2.f * y0;
+ y[2 * i+1] = 2.f * y1;
+ y[2 * i+2] = 2.f * y2;
+ y[2 * i+3] = 2.f * y3;
+ }
+
+ for (int i = 0; i < M2; i++)
+ mem1[2*i+1] = xx1[i];
+ for (int i = 0; i < M2; i++)
+ mem2[2*i+1] = xx2[i];
+}
+
+static int sb_decode(AVCodecContext *avctx, void *ptr_st,
+ GetBitContext *gb, float *out)
+{
+ SpeexContext *s = avctx->priv_data;
+ DecoderState *st = ptr_st;
+ float low_pi_gain[NB_NB_SUBFRAMES];
+ float low_exc_rms[NB_NB_SUBFRAMES];
+ float interp_qlsp[NB_ORDER];
+ int ret, wideband, dtx = 0;
+ float *low_innov_alias;
+ float qlsp[NB_ORDER];
+ float ak[NB_ORDER];
+ const SpeexMode *mode;
+
+ mode = st->mode;
+
+ if (st->modeID > 0) {
+ low_innov_alias = out + st->frame_size;
+ s->st[st->modeID - 1].innov_save = low_innov_alias;
+ ret = speex_modes[st->modeID - 1].decode(avctx, &s->st[st->modeID - 1], gb, out);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (st->encode_submode) { /* Check "wideband bit" */
+ if (get_bits_left(gb) > 0)
+ wideband = show_bits1(gb);
+ else
+ wideband = 0;
+ if (wideband) { /* Regular wideband frame, read the submode */
+ wideband = get_bits1(gb);
+ st->submodeID = get_bits(gb, SB_SUBMODE_BITS);
+ } else { /* Was a narrowband frame, set "null submode" */
+ st->submodeID = 0;
+ }
+ if (st->submodeID != 0 && st->submodes[st->submodeID] == NULL)
+ return AVERROR_INVALIDDATA;
+ }
+
+ /* If null mode (no transmission), just set a couple things to zero */
+ if (st->submodes[st->submodeID] == NULL) {
+ if (dtx) {
+ //sb_decode_lost(st, out, 1);
+ return 0;
+ }
+
+ for (int i = 0; i < st->frame_size; i++)
+ out[st->frame_size + i] = 1e-15f;
+
+ st->first = 1;
+
+ /* Final signal synthesis from excitation */
+ iir_mem(out + st->frame_size, st->interp_qlpc, out + st->frame_size, st->frame_size, st->lpc_size, st->mem_sp);
+
+ qmf_synth(out, out + st->frame_size, h0, out, st->full_frame_size, QMF_ORDER, st->g0_mem, st->g1_mem);
+
+ return 0;
+ }
+
+ memcpy(low_pi_gain, s->st[st->modeID - 1].pi_gain, sizeof(low_pi_gain));
+ memcpy(low_exc_rms, s->st[st->modeID - 1].exc_rms, sizeof(low_exc_rms));
+
+ SUBMODE(lsp_unquant)(qlsp, st->lpc_size, gb);
+
+ if (st->first)
+ memcpy(st->old_qlsp, qlsp, sizeof(st->old_qlsp));
+
+ for (int sub = 0; sub < st->nb_subframes; sub++) {
+ float filter_ratio, el, rl, rh;
+ float *innov_save = NULL, *sp;
+ float exc[80];
+ int offset;
+
+ offset = st->subframe_size * sub;
+ sp = out + st->frame_size + offset;
+ /* Pointer for saving innovation */
+ if (st->innov_save) {
+ innov_save = st->innov_save + 2 * offset;
+ SPEEX_MEMSET(innov_save, 0, 2 * st->subframe_size);
+ }
+
+ av_assert0(st->nb_subframes > 0);
+ lsp_interpolate(st->old_qlsp, qlsp, interp_qlsp, st->lpc_size, sub, st->nb_subframes, 0.05f);
+ lsp_to_lpc(interp_qlsp, ak, st->lpc_size);
+
+ /* Calculate reponse ratio between the low and high filter in the middle
+ of the band (4000 Hz) */
+ st->pi_gain[sub] = 1.f;
+ rh = 1.f;
+ for (int i = 0; i < st->lpc_size; i += 2) {
+ rh += ak[i + 1] - ak[i];
+ st->pi_gain[sub] += ak[i] + ak[i + 1];
+ }
+
+ rl = low_pi_gain[sub];
+ filter_ratio = (rl + .01f) / (rh + .01f);
+
+ SPEEX_MEMSET(exc, 0, st->subframe_size);
+ if (!SUBMODE(innovation_unquant)) {
+ const int x = get_bits(gb, 5);
+ const float g = expf(.125f * (x - 10)) / filter_ratio;
+
+ for (int i = 0; i < st->subframe_size; i += 2) {
+ exc[i ] = mode->folding_gain * low_innov_alias[offset + i ] * g;
+ exc[i + 1] = -mode->folding_gain * low_innov_alias[offset + i + 1] * g;
+ }
+ } else {
+ float gc, scale;
+
+ el = low_exc_rms[sub];
+ gc = 0.87360f * gc_quant_bound[get_bits(gb, 4)];
+
+ if (st->subframe_size == 80)
+ gc *= M_SQRT2;
+
+ scale = (gc * el) / filter_ratio;
+ SUBMODE(innovation_unquant)
+ (exc, SUBMODE(innovation_params), st->subframe_size,
+ gb, &st->seed);
+
+ signal_mul(exc, exc, scale, st->subframe_size);
+ if (SUBMODE(double_codebook)) {
+ float innov2[80];
+
+ SPEEX_MEMSET(innov2, 0, st->subframe_size);
+ SUBMODE(innovation_unquant)(innov2, SUBMODE(innovation_params), st->subframe_size, gb, &st->seed);
+ signal_mul(innov2, innov2, 0.4f * scale, st->subframe_size);
+ for (int i = 0; i < st->subframe_size; i++)
+ exc[i] += innov2[i];
+ }
+ }
+
+ if (st->innov_save) {
+ for (int i = 0; i < st->subframe_size; i++)
+ innov_save[2 * i] = exc[i];
+ }
+
+ iir_mem(st->exc_buf, st->interp_qlpc, sp, st->subframe_size, st->lpc_size, st->mem_sp);
+ memcpy(st->exc_buf, exc, sizeof(exc));
+ memcpy(st->interp_qlpc, ak, sizeof(st->interp_qlpc));
+ st->exc_rms[sub] = compute_rms(st->exc_buf, st->subframe_size);
+ }
+
+ qmf_synth(out, out + st->frame_size, h0, out, st->full_frame_size, QMF_ORDER, st->g0_mem, st->g1_mem);
+ memcpy(st->old_qlsp, qlsp, sizeof(st->old_qlsp));
+
+ st->first = 0;
+
+ return 0;
+}
+
+static int decoder_init(SpeexContext *s, DecoderState *st, const SpeexMode *mode)
+{
+ st->mode = mode;
+ st->modeID = mode->modeID;
+
+ st->first = 1;
+ st->encode_submode = 1;
+ st->is_wideband = st->modeID > 0;
+ st->innov_save = NULL;
+
+ st->submodes = mode->submodes;
+ st->submodeID = mode->default_submode;
+ st->subframe_size = mode->subframe_size;
+ st->lpc_size = mode->lpc_size;
+ st->full_frame_size = (1 + (st->modeID > 0)) * mode->frame_size;
+ st->nb_subframes = mode->frame_size / mode->subframe_size;
+ st->frame_size = mode->frame_size;
+
+ st->lpc_enh_enabled = 1;
+
+ st->last_pitch = 40;
+ st->count_lost = 0;
+ st->seed = 1000;
+ st->last_ol_gain = 0;
+
+ st->voc_m1 = st->voc_m2 = st->voc_mean = 0;
+ st->voc_offset = 0;
+ st->dtx_enabled = 0;
+ st->highpass_enabled = mode->modeID == 0;
+
+ return 0;
+}
+
+static int parse_speex_extradata(AVCodecContext *avctx,
+ const uint8_t *extradata, int extradata_size)
+{
+ SpeexContext *s = avctx->priv_data;
+ const uint8_t *buf = extradata;
+
+ if (memcmp(buf, "Speex ", 8))
+ return AVERROR_INVALIDDATA;
+
+ buf += 28;
+
+ s->version_id = bytestream_get_le32(&buf);
+ buf += 4;
+ s->rate = bytestream_get_le32(&buf);
+ if (s->rate <= 0)
+ return AVERROR_INVALIDDATA;
+ s->mode = bytestream_get_le32(&buf);
+ if (s->mode < 0 || s->mode >= SPEEX_NB_MODES)
+ return AVERROR_INVALIDDATA;
+ s->bitstream_version = bytestream_get_le32(&buf);
+ if (s->bitstream_version != 4)
+ return AVERROR_INVALIDDATA;
+ s->nb_channels = bytestream_get_le32(&buf);
+ if (s->nb_channels <= 0 || s->nb_channels > 2)
+ return AVERROR_INVALIDDATA;
+ s->bitrate = bytestream_get_le32(&buf);
+ s->frame_size = bytestream_get_le32(&buf);
+ if (s->frame_size < NB_FRAME_SIZE)
+ return AVERROR_INVALIDDATA;
+ s->vbr = bytestream_get_le32(&buf);
+ s->frames_per_packet = bytestream_get_le32(&buf);
+ if (s->frames_per_packet <= 0)
+ return AVERROR_INVALIDDATA;
+ s->extra_headers = bytestream_get_le32(&buf);
+
+ return 0;
+}
+
+static av_cold int speex_decode_init(AVCodecContext *avctx)
+{
+ SpeexContext *s = avctx->priv_data;
+ int ret;
+
+ s->fdsp = avpriv_float_dsp_alloc(0);
+ if (!s->fdsp)
+ return AVERROR(ENOMEM);
+
+ if (avctx->extradata && avctx->extradata_size >= 80) {
+ ret = parse_speex_extradata(avctx, avctx->extradata, avctx->extradata_size);
+ if (ret < 0)
+ return ret;
+ } else {
+ s->rate = avctx->sample_rate;
+ if (s->rate <= 0)
+ return AVERROR_INVALIDDATA;
+
+ s->nb_channels = avctx->channels;
+ if (s->nb_channels <= 0)
+ return AVERROR_INVALIDDATA;
+
+ switch (s->rate) {
+ case 8000: s->mode = 0; break;
+ case 16000: s->mode = 1; break;
+ case 32000: s->mode = 2; break;
+ default: s->mode = 2;
+ }
+
+ s->frames_per_packet = 1;
+ s->frame_size = NB_FRAME_SIZE << s->mode;
+ }
+
+ if (avctx->codec_tag == MKTAG('S', 'P', 'X', 'N')) {
+ int quality;
+
+ if (!avctx->extradata || avctx->extradata && avctx->extradata_size < 47) {
+ av_log(avctx, AV_LOG_ERROR, "Missing or invalid extradata.\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ quality = avctx->extradata[37];
+ if (quality > 10) {
+ av_log(avctx, AV_LOG_ERROR, "Unsupported quality mode %d.\n", quality);
+ return AVERROR_PATCHWELCOME;
+ }
+
+ s->pkt_size = ((const uint8_t[]){ 5, 10, 15, 20, 20, 28, 28, 38, 38, 46, 62 })[quality];
+
+ s->mode = 0;
+ s->nb_channels = 1;
+ s->rate = avctx->sample_rate;
+ if (s->rate <= 0)
+ return AVERROR_INVALIDDATA;
+ s->frames_per_packet = 1;
+ s->frame_size = NB_FRAME_SIZE;
+ }
+
+ if (s->bitrate > 0)
+ avctx->bit_rate = s->bitrate;
+ avctx->channels = s->nb_channels;
+ avctx->sample_rate = s->rate;
+ avctx->sample_fmt = AV_SAMPLE_FMT_FLT;
+
+ for (int m = 0; m <= s->mode; m++) {
+ ret = decoder_init(s, &s->st[m], &speex_modes[m]);
+ if (ret < 0)
+ return ret;
+ }
+
+ s->stereo.balance = 1.f;
+ s->stereo.e_ratio = .5f;
+ s->stereo.smooth_left = 1.f;
+ s->stereo.smooth_right = 1.f;
+
+ return 0;
+}
+
+static void speex_decode_stereo(float *data, int frame_size, StereoState *stereo)
+{
+ float balance, e_left, e_right, e_ratio;
+
+ balance = stereo->balance;
+ e_ratio = stereo->e_ratio;
+
+ /* These two are Q14, with max value just below 2. */
+ e_right = 1.f / sqrtf(e_ratio * (1.f + balance));
+ e_left = sqrtf(balance) * e_right;
+
+ for (int i = frame_size - 1; i >= 0; i--) {
+ float tmp = data[i];
+ stereo->smooth_left = stereo->smooth_left * 0.98f + e_left * 0.02f;
+ stereo->smooth_right = stereo->smooth_right * 0.98f + e_right * 0.02f;
+ data[2 * i ] = stereo->smooth_left * tmp;
+ data[2 * i + 1] = stereo->smooth_right * tmp;
+ }
+}
+
+static int speex_decode_frame(AVCodecContext *avctx, void *data,
+ int *got_frame_ptr, AVPacket *avpkt)
+{
+ SpeexContext *s = avctx->priv_data;
+ AVFrame *frame = data;
+ const float scale = 1.f / 32768.f;
+ int buf_size = avpkt->size;
+ float *dst;
+ int ret;
+
+ if (s->pkt_size && avpkt->size == 62)
+ buf_size = s->pkt_size;
+ if ((ret = init_get_bits8(&s->gb, avpkt->data, buf_size)) < 0)
+ return ret;
+
+ frame->nb_samples = s->frame_size * s->frames_per_packet;
+ if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
+ return ret;
+
+ dst = (float *)frame->extended_data[0];
+ for (int i = 0; i < s->frames_per_packet; i++) {
+ ret = speex_modes[s->mode].decode(avctx, &s->st[s->mode], &s->gb, dst + i * s->frame_size);
+ if (ret < 0)
+ return ret;
+ if (avctx->channels == 2)
+ speex_decode_stereo(dst + i * s->frame_size, s->frame_size, &s->stereo);
+ }
+
+ dst = (float *)frame->extended_data[0];
+ s->fdsp->vector_fmul_scalar(dst, dst, scale, frame->nb_samples * frame->channels);
+
+ *got_frame_ptr = 1;
+
+ return buf_size;
+}
+
+static av_cold int speex_decode_close(AVCodecContext *avctx)
+{
+ SpeexContext *s = avctx->priv_data;
+ av_freep(&s->fdsp);
+ return 0;
+}
+
+const AVCodec ff_speex_decoder = {
+ .name = "speex",
+ .long_name = NULL_IF_CONFIG_SMALL("Speex"),
+ .type = AVMEDIA_TYPE_AUDIO,
+ .id = AV_CODEC_ID_SPEEX,
+ .init = speex_decode_init,
+ .decode = speex_decode_frame,
+ .close = speex_decode_close,
+ .capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_CHANNEL_CONF,
+ .priv_data_size = sizeof(SpeexContext),
+ .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
+};
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 1c28fd0be5..74b8baa5f3 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -28,7 +28,7 @@
#include "libavutil/version.h"
#define LIBAVCODEC_VERSION_MAJOR 59
-#define LIBAVCODEC_VERSION_MINOR 11
+#define LIBAVCODEC_VERSION_MINOR 12
#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
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