[FFmpeg-cvslog] EVRC decoder
Paul B Mahol
git at videolan.org
Mon Jan 21 11:31:53 CET 2013
ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Wed Jan 9 10:56:18 2013 +0000| [098d3891be08ca119e20ad7989668ddef83b31ea] | committer: Paul B Mahol
EVRC decoder
Signed-off-by: Paul B Mahol <onemda at gmail.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=098d3891be08ca119e20ad7989668ddef83b31ea
---
Changelog | 1 +
doc/general.texi | 1 +
libavcodec/Makefile | 1 +
libavcodec/allcodecs.c | 1 +
libavcodec/evrcdata.h | 1499 ++++++++++++++++++++++++++++++++++++++++++++++++
libavcodec/evrcdec.c | 920 +++++++++++++++++++++++++++++
libavcodec/utils.c | 1 +
libavcodec/version.h | 2 +-
8 files changed, 2425 insertions(+), 1 deletion(-)
diff --git a/Changelog b/Changelog
index 7934f26..496082b 100644
--- a/Changelog
+++ b/Changelog
@@ -7,6 +7,7 @@ version <next>:
- Error diffusion dither in Swscale
- Chained Ogg support
- Theora Midstream reconfiguration support
+- EVRC decoder
version 1.1:
diff --git a/doc/general.texi b/doc/general.texi
index cdbcf84..39b9360 100644
--- a/doc/general.texi
+++ b/doc/general.texi
@@ -814,6 +814,7 @@ following image formats are supported:
@item DSP Group TrueSpeech @tab @tab X
@item DV audio @tab @tab X
@item Enhanced AC-3 @tab X @tab X
+ at item EVRC (Enhanced Variable Rate Codec) @tab @tab X
@item FLAC (Free Lossless Audio Codec) @tab X @tab IX
@item G.723.1 @tab X @tab X
@item G.729 @tab @tab X
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 4dbf8fe..e165db5 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -187,6 +187,7 @@ OBJS-$(CONFIG_EIGHTSVX_EXP_DECODER) += 8svx.o
OBJS-$(CONFIG_EIGHTSVX_FIB_DECODER) += 8svx.o
OBJS-$(CONFIG_ESCAPE124_DECODER) += escape124.o
OBJS-$(CONFIG_ESCAPE130_DECODER) += escape130.o
+OBJS-$(CONFIG_EVRC_DECODER) += evrcdec.o acelp_vectors.o lsp.o
OBJS-$(CONFIG_EXR_DECODER) += exr.o
OBJS-$(CONFIG_FFV1_DECODER) += ffv1dec.o ffv1.o
OBJS-$(CONFIG_FFV1_ENCODER) += ffv1enc.o ffv1.o
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index 974a937..584446f 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -323,6 +323,7 @@ void avcodec_register_all(void)
REGISTER_ENCDEC (DCA, dca);
REGISTER_DECODER(DSICINAUDIO, dsicinaudio);
REGISTER_ENCDEC (EAC3, eac3);
+ REGISTER_DECODER(EVRC, evrc);
REGISTER_DECODER(FFWAVESYNTH, ffwavesynth);
REGISTER_ENCDEC (FLAC, flac);
REGISTER_ENCDEC (G723_1, g723_1);
diff --git a/libavcodec/evrcdata.h b/libavcodec/evrcdata.h
new file mode 100644
index 0000000..cde1f57
--- /dev/null
+++ b/libavcodec/evrcdata.h
@@ -0,0 +1,1499 @@
+/*
+ * Enhanced Variable Rate Codec, Service Option 3 decoder
+ * Copyright (c) 2013 Paul B Mahol
+ *
+ * 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_EVRCDATA_H
+#define AVCODEC_EVRCDATA_H
+
+/**
+ * @file
+ * Data tables for the EVRC decoder
+ * @author Paul B Mahol
+ */
+
+#include "libavutil/common.h"
+
+/**
+ * Rate 1/8 frame energy quantization
+ *
+ * TIA/IS-127 table 8-18
+ */
+static const float evrc_energy_quant[][3] = {
+{-0.2464E-01,-0.4005E-02,-0.1107E+00 }, { 0.8734E+00, 0.1004E+01, 0.9930E+00 },
+{ 0.4222E+00, 0.3894E+00, 0.5020E+00 }, { 0.1450E+01, 0.1328E+01, 0.1278E+01 },
+{ 0.1957E+00, 0.2169E+00, 0.2735E+00 }, { 0.1142E+01, 0.1240E+01, 0.1157E+01 },
+{ 0.7881E+00, 0.6778E+00, 0.4185E+00 }, { 0.1504E+01, 0.1468E+01, 0.1534E+01 },
+{ 0.3173E+00, 0.2693E+00,-0.9526E-01 }, { 0.1141E+01, 0.1154E+01, 0.1044E+01 },
+{ 0.5147E+00, 0.5784E+00, 0.8802E+00 }, { 0.1502E+01, 0.1407E+01, 0.1409E+01 },
+{ 0.3163E+00, 0.3592E+00, 0.2830E+00 }, { 0.1217E+01, 0.1213E+01, 0.1216E+01 },
+{ 0.1023E+01, 0.1139E+01,-0.9526E-01 }, { 0.1619E+01, 0.1655E+01, 0.1642E+01 },
+{ 0.1437E+00, 0.1505E+00, 0.6838E-01 }, { 0.9794E+00, 0.1021E+01, 0.1117E+01 },
+{ 0.4701E+00, 0.6426E+00, 0.5519E+00 }, { 0.1366E+01, 0.1397E+01, 0.1406E+01 },
+{ 0.2918E+00, 0.3022E+00, 0.2420E+00 }, { 0.1309E+01, 0.1241E+01, 0.1220E+01 },
+{ 0.7989E+00, 0.7654E+00, 0.7391E+00 }, { 0.1612E+01, 0.1502E+01, 0.1447E+01 },
+{ 0.2594E+00, 0.1948E+00, 0.2555E+00 }, { 0.1091E+01, 0.1150E+01, 0.1272E+01 },
+{ 0.3423E+00, 0.4150E+00, 0.1294E+01 }, { 0.1729E+01, 0.1377E+01, 0.1065E+01 },
+{ 0.4103E+00, 0.3287E+00, 0.3228E+00 }, { 0.1144E+01, 0.1281E+01, 0.1416E+01 },
+{ 0.1047E+01, 0.1117E+01, 0.6188E+00 }, { 0.1914E+01, 0.1777E+01, 0.1516E+01 },
+{-0.2117E-01, 0.2159E+00, 0.2351E+00 }, { 0.1093E+01, 0.1088E+01, 0.1026E+01 },
+{ 0.5567E+00, 0.5092E+00, 0.4654E+00 }, { 0.1510E+01, 0.1449E+01, 0.1201E+01 },
+{ 0.2362E+00, 0.3426E+00, 0.2549E+00 }, { 0.1340E+01, 0.1225E+01, 0.1117E+01 },
+{ 0.1203E+01, 0.3819E+00, 0.2269E+00 }, { 0.1373E+01, 0.1404E+01, 0.1830E+01 },
+{ 0.2570E+00, 0.2668E+00, 0.1636E+00 }, { 0.1219E+01, 0.1098E+01, 0.1122E+01 },
+{ 0.6985E+00, 0.8456E+00, 0.1069E+01 }, { 0.1550E+01, 0.1501E+01, 0.1388E+01 },
+{ 0.2870E+00, 0.3060E+00, 0.3599E+00 }, { 0.1178E+01, 0.1345E+01, 0.1302E+01 },
+{ 0.1270E+01, 0.1215E+01, 0.1812E+00 }, { 0.1725E+01, 0.1777E+01, 0.1693E+01 },
+{ 0.2074E+00, 0.2104E+00, 0.1539E+00 }, { 0.1105E+01, 0.1034E+01, 0.1104E+01 },
+{ 0.6683E+00, 0.6646E+00, 0.6639E+00 }, { 0.1403E+01, 0.1462E+01, 0.1435E+01 },
+{ 0.3389E+00, 0.3754E+00, 0.2150E+00 }, { 0.1288E+01, 0.1325E+01, 0.1257E+01 },
+{ 0.8933E+00, 0.8253E+00, 0.8133E+00 }, { 0.1555E+01, 0.1579E+01, 0.1565E+01 },
+{ 0.3264E+00, 0.2434E+00, 0.2852E+00 }, { 0.1242E+01, 0.1180E+01, 0.1202E+01 },
+{ 0.1314E+00, 0.1698E+00, 0.1646E+01 }, { 0.1797E+01, 0.1597E+01, 0.1241E+01 },
+{ 0.4721E+00, 0.5346E+00, 0.3066E+00 }, { 0.1274E+01, 0.1401E+01, 0.1351E+01 },
+{ 0.1455E+01, 0.1386E+01, 0.6430E+00 }, { 0.1828E+01, 0.1867E+01, 0.1825E+01 },
+{-0.3265E+00,-0.2956E+00,-0.2462E+00 }, { 0.1035E+01, 0.1020E+01, 0.1003E+01 },
+{ 0.3702E+00, 0.4307E+00, 0.7072E+00 }, { 0.1424E+01, 0.1345E+01, 0.1352E+01 },
+{ 0.2267E+00, 0.2680E+00, 0.3037E+00 }, { 0.1235E+01, 0.1249E+01, 0.1146E+01 },
+{ 0.9944E+00, 0.6485E+00, 0.5248E+00 }, { 0.1539E+01, 0.1492E+01, 0.1612E+01 },
+{ 0.3815E+00, 0.3360E+00,-0.9526E-01 }, { 0.1163E+01, 0.1144E+01, 0.1117E+01 },
+{ 0.6734E+00, 0.7656E+00, 0.1014E+01 }, { 0.1568E+01, 0.1438E+01, 0.1455E+01 },
+{ 0.3409E+00, 0.3317E+00, 0.3856E+00 }, { 0.1180E+01, 0.1284E+01, 0.1284E+01 },
+{ 0.1244E+01, 0.1214E+01,-0.9526E-01 }, { 0.1753E+01, 0.1598E+01, 0.1744E+01 },
+{ 0.1548E+00, 0.1388E+00, 0.2020E+00 }, { 0.1027E+01, 0.1133E+01, 0.1093E+01 },
+{ 0.3906E+00, 0.7505E+00, 0.5705E+00 }, { 0.1420E+01, 0.1357E+01, 0.1543E+01 },
+{ 0.3252E+00, 0.3136E+00, 0.2804E+00 }, { 0.1351E+01, 0.1309E+01, 0.1224E+01 },
+{ 0.8781E+00, 0.8095E+00, 0.7109E+00 }, { 0.1614E+01, 0.1580E+01, 0.1433E+01 },
+{ 0.3222E+00, 0.2298E+00, 0.2157E+00 }, { 0.1216E+01, 0.1077E+01, 0.1247E+01 },
+{ 0.1363E+01, 0.1280E+01, 0.1317E+01 }, { 0.1751E+01, 0.1457E+01, 0.1182E+01 },
+{ 0.4428E+00, 0.4082E+00, 0.3181E+00 }, { 0.1157E+01, 0.1227E+01, 0.1604E+01 },
+{ 0.1286E+01, 0.1268E+01, 0.8167E+00 }, { 0.1994E+01, 0.2018E+01, 0.1307E+01 },
+{ 0.2671E-01, 0.2594E+00, 0.3397E+00 }, { 0.1164E+01, 0.1080E+01, 0.9321E+00 },
+{ 0.5998E+00, 0.6076E+00, 0.5081E+00 }, { 0.1442E+01, 0.1442E+01, 0.1375E+01 },
+{ 0.2390E+00, 0.3554E+00, 0.3426E+00 }, { 0.1287E+01, 0.1307E+01, 0.1144E+01 },
+{ 0.1200E+01, 0.7495E+00, 0.3967E+00 }, { 0.1561E+01, 0.1517E+01, 0.1898E+01 },
+{ 0.3598E+00, 0.3463E+00, 0.1200E+00 }, { 0.1298E+01, 0.1125E+01, 0.1062E+01 },
+{ 0.7577E+00, 0.1013E+01, 0.1194E+01 }, { 0.1537E+01, 0.1513E+01, 0.1464E+01 },
+{ 0.4041E+00, 0.4038E+00, 0.3897E+00 }, { 0.1293E+01, 0.1219E+01, 0.1378E+01 },
+{ 0.1250E+01, 0.1391E+01, 0.2451E+00 }, { 0.1558E+01, 0.1764E+01, 0.1728E+01 },
+{ 0.2700E+00, 0.1894E+00, 0.1924E+00 }, { 0.1111E+01, 0.1112E+01, 0.1173E+01 },
+{ 0.7579E+00, 0.8342E+00, 0.4781E+00 }, { 0.1464E+01, 0.1477E+01, 0.1469E+01 },
+{ 0.4001E+00, 0.3104E+00, 0.2217E+00 }, { 0.1346E+01, 0.1421E+01, 0.1312E+01 },
+{ 0.1071E+01, 0.8967E+00, 0.7511E+00 }, { 0.1616E+01, 0.1551E+01, 0.1574E+01 },
+{ 0.3329E+00, 0.2785E+00, 0.3140E+00 }, { 0.1281E+01, 0.1209E+01, 0.1239E+01 },
+{ 0.2805E+00, 0.2687E+00, 0.1646E+01 }, { 0.1814E+01, 0.1514E+01, 0.1510E+01 },
+{ 0.6231E+00, 0.4200E+00, 0.3701E+00 }, { 0.1255E+01, 0.1429E+01, 0.1454E+01 },
+{ 0.1642E+01, 0.1581E+01, 0.7112E+00 }, { 0.1844E+01, 0.1963E+01, 0.1895E+01 },
+{-0.4208E-01,-0.1491E+00,-0.7639E-01 }, { 0.1046E+01, 0.9598E+00, 0.9176E+00 },
+{ 0.4478E+00, 0.4605E+00, 0.5111E+00 }, { 0.1521E+01, 0.1292E+01, 0.1342E+01 },
+{ 0.2220E+00, 0.2549E+00, 0.2510E+00 }, { 0.1186E+01, 0.1254E+01, 0.1171E+01 },
+{ 0.8999E+00, 0.4960E+00, 0.4943E+00 }, { 0.1423E+01, 0.1484E+01, 0.1620E+01 },
+{ 0.2796E+00, 0.2778E+00,-0.2820E+00 }, { 0.1170E+01, 0.1181E+01, 0.1076E+01 },
+{ 0.4068E+00, 0.8541E+00, 0.9352E+00 }, { 0.1584E+01, 0.1416E+01, 0.1387E+01 },
+{ 0.3325E+00, 0.3655E+00, 0.3340E+00 }, { 0.1224E+01, 0.1257E+01, 0.1245E+01 },
+{ 0.1061E+01, 0.1138E+01,-0.9526E-01 }, { 0.1681E+01, 0.1704E+01, 0.1673E+01 },
+{ 0.1932E+00, 0.1489E+00, 0.1258E+00 }, { 0.1023E+01, 0.1088E+01, 0.1145E+01 },
+{ 0.5190E+00, 0.6873E+00, 0.5172E+00 }, { 0.1380E+01, 0.1405E+01, 0.1474E+01 },
+{ 0.3393E+00, 0.3100E+00, 0.2231E+00 }, { 0.1354E+01, 0.1249E+01, 0.1270E+01 },
+{ 0.7363E+00, 0.8508E+00, 0.8247E+00 }, { 0.1612E+01, 0.1537E+01, 0.1509E+01 },
+{ 0.2952E+00, 0.2053E+00, 0.2590E+00 }, { 0.1138E+01, 0.1219E+01, 0.1262E+01 },
+{ 0.1345E+01, 0.1289E+01, 0.1338E+01 }, { 0.1437E+01, 0.1360E+01, 0.1442E+01 },
+{ 0.4826E+00, 0.3298E+00, 0.3842E+00 }, { 0.1219E+01, 0.1311E+01, 0.1413E+01 },
+{ 0.1212E+01, 0.1186E+01, 0.6357E+00 }, { 0.1873E+01, 0.1939E+01, 0.1674E+01 },
+{ 0.1260E+01, 0.1306E+01, 0.1368E+01 }, { 0.1146E+01, 0.1077E+01, 0.1025E+01 },
+{ 0.6029E+00, 0.5039E+00, 0.5781E+00 }, { 0.1514E+01, 0.1420E+01, 0.1324E+01 },
+{ 0.2652E+00, 0.3192E+00, 0.3042E+00 }, { 0.1368E+01, 0.1198E+01, 0.1200E+01 },
+{ 0.1234E+01, 0.4910E+00, 0.3464E-01 }, { 0.1347E+01, 0.1560E+01, 0.1861E+01 },
+{ 0.2766E+00, 0.2887E+00, 0.2029E+00 }, { 0.1257E+01, 0.1105E+01, 0.1145E+01 },
+{ 0.1351E+01, 0.1353E+01, 0.1406E+01 }, { 0.1506E+01, 0.1580E+01, 0.1362E+01 },
+{ 0.2794E+00, 0.3868E+00, 0.4277E+00 }, { 0.1234E+01, 0.1334E+01, 0.1336E+01 },
+{ 0.1280E+01, 0.1252E+01, 0.1805E+00 }, { 0.1387E+01, 0.1396E+01, 0.1434E+01 },
+{ 0.2902E+00, 0.1170E+00, 0.1698E+00 }, { 0.1134E+01, 0.1077E+01, 0.1117E+01 },
+{ 0.6986E+00, 0.7177E+00, 0.7366E+00 }, { 0.1370E+01, 0.1491E+01, 0.1495E+01 },
+{ 0.4031E+00, 0.5144E+00, 0.1751E+00 }, { 0.1333E+01, 0.1377E+01, 0.1257E+01 },
+{ 0.9212E+00, 0.8934E+00, 0.8897E+00 }, { 0.1589E+01, 0.1614E+01, 0.1523E+01 },
+{ 0.3152E+00, 0.2164E+00, 0.3230E+00 }, { 0.1300E+01, 0.1145E+01, 0.1212E+01 },
+{ 0.1269E+01, 0.1245E+01, 0.1497E+01 }, { 0.1763E+01, 0.1716E+01, 0.1311E+01 },
+{ 0.4702E+00, 0.5422E+00, 0.4306E+00 }, { 0.1342E+01, 0.1433E+01, 0.1423E+01 },
+{ 0.1472E+01, 0.1404E+01, 0.8371E+00 }, { 0.1936E+01, 0.1883E+01, 0.1838E+01 },
+{ 0.1266E+01, 0.1295E+01, 0.1302E+01 }, { 0.1074E+01, 0.1002E+01, 0.1023E+01 },
+{ 0.5206E+00, 0.4045E+00, 0.6549E+00 }, { 0.1457E+01, 0.1378E+01, 0.1363E+01 },
+{ 0.2715E+00, 0.2629E+00, 0.2841E+00 }, { 0.1264E+01, 0.1271E+01, 0.1175E+01 },
+{ 0.1337E+01, 0.1305E+01, 0.1306E+01 }, { 0.1555E+01, 0.1571E+01, 0.1657E+01 },
+{ 0.3341E+00, 0.4147E+00,-0.3648E+00 }, { 0.1188E+01, 0.1185E+01, 0.1161E+01 },
+{ 0.6198E+00, 0.7208E+00, 0.1157E+01 }, { 0.1582E+01, 0.1465E+01, 0.1513E+01 },
+{ 0.3839E+00, 0.3651E+00, 0.3814E+00 }, { 0.1214E+01, 0.1256E+01, 0.1292E+01 },
+{ 0.1361E+01, 0.1363E+01, 0.1312E+01 }, { 0.1793E+01, 0.1693E+01, 0.1669E+01 },
+{ 0.1889E+00, 0.1275E+00, 0.2534E+00 }, { 0.1066E+01, 0.1174E+01, 0.1133E+01 },
+{ 0.4999E+00, 0.8207E+00, 0.5813E+00 }, { 0.1478E+01, 0.1416E+01, 0.1497E+01 },
+{ 0.3814E+00, 0.3138E+00, 0.2889E+00 }, { 0.1396E+01, 0.1265E+01, 0.1233E+01 },
+{ 0.9458E+00, 0.9161E+00, 0.5875E+00 }, { 0.1672E+01, 0.1632E+01, 0.1553E+01 },
+{ 0.3505E+00, 0.2525E+00, 0.2364E+00 }, { 0.1211E+01, 0.1138E+01, 0.1235E+01 },
+{ 0.1391E+01, 0.1231E+01, 0.1355E+01 }, { 0.1783E+01, 0.1510E+01, 0.1199E+01 },
+{ 0.4227E+00, 0.4548E+00, 0.3671E+00 }, { 0.1281E+01, 0.1254E+01, 0.1661E+01 },
+{ 0.1338E+01, 0.1379E+01, 0.9531E+00 }, { 0.2148E+01, 0.1965E+01, 0.1584E+01 },
+{ 0.9324E-01, 0.3575E+00, 0.3522E+00 }, { 0.1212E+01, 0.1086E+01, 0.1044E+01 },
+{ 0.6128E+00, 0.6136E+00, 0.6060E+00 }, { 0.1484E+01, 0.1507E+01, 0.1396E+01 },
+{ 0.2820E+00, 0.3848E+00, 0.3156E+00 }, { 0.1368E+01, 0.1287E+01, 0.1128E+01 },
+{ 0.1369E+01, 0.1352E+01, 0.1358E+01 }, { 0.1381E+01, 0.1765E+01, 0.2113E+01 },
+{ 0.1314E+01, 0.1345E+01, 0.1334E+01 }, { 0.1290E+01, 0.1172E+01, 0.1119E+01 },
+{ 0.1304E+01, 0.1377E+01, 0.1427E+01 }, { 0.1490E+01, 0.1540E+01, 0.1536E+01 },
+{ 0.3994E+00, 0.4402E+00, 0.4173E+00 }, { 0.1323E+01, 0.1307E+01, 0.1392E+01 },
+{ 0.1400E+01, 0.1388E+01, 0.1369E+01 }, { 0.1669E+01, 0.1818E+01, 0.1834E+01 },
+{ 0.2742E+00, 0.2235E+00, 0.1986E+00 }, { 0.1137E+01, 0.1139E+01, 0.1201E+01 },
+{ 0.1324E+01, 0.1385E+01, 0.1349E+01 }, { 0.1455E+01, 0.1574E+01, 0.1454E+01 },
+{ 0.5019E+00, 0.3255E+00, 0.2555E+00 }, { 0.1388E+01, 0.1438E+01, 0.1300E+01 },
+{ 0.1394E+01, 0.1349E+01, 0.1411E+01 }, { 0.1639E+01, 0.1580E+01, 0.1681E+01 },
+{ 0.3920E+00, 0.2498E+00, 0.3523E+00 }, { 0.1301E+01, 0.1221E+01, 0.1285E+01 },
+{ 0.1318E+01, 0.1342E+01, 0.1494E+01 }, { 0.1910E+01, 0.1680E+01, 0.1470E+01 },
+{ 0.6082E+00, 0.5270E+00, 0.4173E+00 }, { 0.1255E+01, 0.1477E+01, 0.1503E+01 },
+{ 0.1807E+01, 0.1742E+01, 0.6553E+00 }, { 0.2000E+01, 0.2072E+01, 0.2051E+01 }};
+
+/**
+ * LSP vector quantization tables
+ *
+ * TIA/IS-127 tables 8-1 through 8-9
+ */
+
+static const float evrc_lspq_full_codebook1[64][2] = {
+{1.42016308E-2, 1.93881616E-2}, {2.91667543E-2, 6.51749149E-2},
+{2.06693150E-2, 4.97564934E-2}, {3.94719802E-2, 9.55850929E-2},
+{2.27012448E-2, 3.96625809E-2}, {5.38789518E-2, 6.28347769E-2},
+{2.90525518E-2, 5.73435798E-2}, {4.48280610E-2, 1.15364626E-1},
+{1.94110647E-2, 3.46889682E-2}, {4.37502973E-2, 6.75228462E-2},
+{3.55497338E-2, 4.94086780E-2}, {6.99219853E-2, 8.67279768E-2},
+{2.77880151E-2, 4.65748496E-2}, {5.79111017E-2, 6.74542487E-2},
+{4.74664383E-2, 5.50271496E-2}, {7.88898915E-2, 1.22443043E-1},
+{2.21715886E-2, 3.02628800E-2}, {3.39134485E-2, 7.17703998E-2},
+{3.17989141E-2, 4.98996116E-2}, {6.11555986E-2, 8.73361230E-2},
+{2.67506503E-2, 3.96735854E-2}, {4.44100983E-2, 8.26731324E-2},
+{3.89172547E-2, 5.65788932E-2}, {6.04800619E-2, 1.04536951E-1},
+{2.69156620E-2, 3.57168876E-2}, {4.11117189E-2, 7.33322948E-2},
+{4.12660725E-2, 4.85165231E-2}, {7.18049556E-2, 1.06202349E-1},
+{3.38037871E-2, 4.24300395E-2}, {5.91818243E-2, 7.97467977E-2},
+{4.70107906E-2, 6.28563762E-2}, {9.42011923E-2, 1.30053163E-1},
+{1.94244273E-2, 2.72732340E-2}, {3.70831676E-2, 6.64898157E-2},
+{2.80136354E-2, 5.15984930E-2}, {5.34461029E-2, 9.25904214E-2},
+{2.54959203E-2, 4.32844795E-2}, {5.51860742E-2, 7.36182332E-2},
+{3.39851119E-2, 6.05329126E-2}, {6.18182123E-2, 1.34581268E-1},
+{2.35669166E-2, 3.55242006E-2}, {5.10804243E-2, 6.79562539E-2},
+{3.83464955E-2, 5.23469411E-2}, {7.44275749E-2, 9.66108292E-2},
+{3.18591148E-2, 4.62123118E-2}, {6.18909821E-2, 7.33231753E-2},
+{4.41718437E-2, 5.79240918E-2}, {7.93596208E-2, 1.41177371E-1},
+{2.47412287E-2, 3.23629379E-2}, {3.36563922E-2, 8.04650635E-2},
+{3.37943695E-2, 5.44977151E-2}, {6.53648973E-2, 9.52775925E-2},
+{2.93364152E-2, 4.28411029E-2}, {5.27870469E-2, 8.16159397E-2},
+{4.00724895E-2, 6.18144684E-2}, {6.75848573E-2, 1.17196076E-1},
+{3.03064957E-2, 3.86914052E-2}, {4.83106263E-2, 7.42383003E-2},
+{4.37548272E-2, 5.22842295E-2}, {8.32310021E-2, 1.09881967E-1},
+{3.75600643E-2, 4.53217216E-2}, {6.60113171E-2, 7.97580183E-2},
+{5.03225066E-2, 5.90176322E-2}, {8.77133310E-2, 1.63187444E-1}};
+
+static const float evrc_lspq_full_codebook2[64][2] = {
+{5.21959551E-2, 8.38445649E-2}, {1.05874076E-1, 1.28694162E-1},
+{5.48323877E-2, 1.33842856E-1}, {1.17768474E-1, 1.94037274E-1},
+{5.36086522E-2, 1.11398734E-1}, {1.19989693E-1, 1.47474691E-1},
+{8.00373554E-2, 1.42999724E-1}, {1.64086595E-1, 2.09821835E-1},
+{5.21059223E-2, 9.95229408E-2}, {8.67567956E-2, 1.85966507E-1},
+{7.77341127E-2, 1.31506845E-1}, {1.60545513E-1, 1.81930289E-1},
+{7.42243677E-2, 1.10437103E-1}, {1.18635088E-1, 1.75306752E-1},
+{6.61557764E-2, 1.64441928E-1}, {1.96810856E-1, 2.16682002E-1},
+{6.05317838E-2, 9.45408568E-2}, {1.06271386E-1, 1.48013934E-1},
+{5.87486550E-2, 1.47724584E-1}, {1.34816468E-1, 2.01517954E-1},
+{6.59698322E-2, 1.16447397E-1}, {1.32297173E-1, 1.53267249E-1},
+{9.26660746E-2, 1.46725491E-1}, {1.79285541E-1, 2.19705954E-1},
+{7.06458464E-2, 9.99924466E-2}, {1.06500491E-1, 1.79443434E-1},
+{8.79249722E-2, 1.25287697E-1}, {1.53640196E-1, 1.97852716E-1},
+{8.88430104E-2, 1.12465657E-1}, {1.48286715E-1, 1.67517021E-1},
+{8.16568136E-2, 1.69274017E-1}, {2.07810536E-1, 2.31033549E-1},
+{6.14927970E-2, 8.36263224E-2}, {1.14473253E-1, 1.36779979E-1},
+{6.87129870E-2, 1.38099059E-1}, {1.10511415E-1, 2.15352878E-1},
+{5.55652268E-2, 1.22242786E-1}, {1.20557591E-1, 1.61072448E-1},
+{8.32249671E-2, 1.55475482E-1}, {1.61638483E-1, 2.28268847E-1},
+{6.29152283E-2, 1.06229566E-1}, {8.29186887E-2, 2.06774518E-1},
+{8.84756893E-2, 1.35799959E-1}, {1.69772223E-1, 1.93773940E-1},
+{7.77297840E-2, 1.20287232E-1}, {1.30648017E-1, 1.84331819E-1},
+{6.91939592E-2, 1.84218004E-1}, {2.03904077E-1, 2.49715164E-1},
+{7.07671717E-2, 9.03186128E-2}, {1.08471557E-1, 1.61966518E-1},
+{7.16886371E-2, 1.51093170E-1}, {1.38779536E-1, 2.18801782E-1},
+{6.75907061E-2, 1.26740307E-1}, {1.33412346E-1, 1.68838874E-1},
+{9.61822569E-2, 1.58728704E-1}, {1.86485633E-1, 2.36560926E-1},
+{8.23447108E-2, 1.02126025E-1}, {1.00336641E-1, 1.94918498E-1},
+{9.95981991E-2, 1.36425093E-1}, {1.82448462E-1, 2.03655198E-1},
+{9.78890732E-2, 1.21145472E-1}, {1.45453140E-1, 1.83604524E-1},
+{9.58395451E-2, 1.72194853E-1}, {2.23295853E-1, 2.46418610E-1}};
+
+static const float evrc_lspq_full_codebook3[512][3] = {
+{1.36425778E-1, 1.68651849E-1, 2.04688221E-1},
+{1.85717627E-1, 2.28756160E-1, 2.51958042E-1},
+{1.22760192E-1, 1.85950696E-1, 2.79446691E-1},
+{1.96468458E-1, 2.64484435E-1, 2.89318889E-1},
+{1.25653744E-1, 1.50529265E-1, 2.76144296E-1},
+{1.96301565E-1, 2.41699994E-1, 2.88230687E-1},
+{1.40099391E-1, 2.22365588E-1, 2.74666578E-1},
+{2.59952307E-1, 2.75394946E-1, 3.10975939E-1},
+{1.58452198E-1, 1.88591003E-1, 2.07339197E-1},
+{1.95616230E-1, 2.21379519E-1, 2.87022918E-1},
+{1.69424579E-1, 2.01614648E-1, 2.75669187E-1},
+{2.12393746E-1, 2.64250666E-1, 3.17967504E-1},
+{1.82965085E-1, 1.99547559E-1, 2.29538843E-1},
+{2.15200707E-1, 2.62409419E-1, 2.82432705E-1},
+{1.46404549E-1, 2.36966729E-1, 2.90067106E-1},
+{2.45338634E-1, 3.03358108E-1, 3.42260152E-1},
+{1.37478963E-1, 1.58276558E-1, 2.39217222E-1},
+{2.01999024E-1, 2.20102608E-1, 2.69546896E-1},
+{1.18350029E-1, 2.30206400E-1, 2.83554822E-1},
+{2.25519255E-1, 2.72272140E-1, 3.06072980E-1},
+{1.35661438E-1, 1.91633970E-1, 2.65912026E-1},
+{1.95733085E-1, 2.31926173E-1, 3.14376086E-1},
+{1.67998984E-1, 2.27706313E-1, 2.76947826E-1},
+{2.50170559E-1, 3.01627070E-1, 3.21084231E-1},
+{1.33492306E-1, 2.01223105E-1, 2.33893991E-1},
+{2.06442133E-1, 2.38704175E-1, 2.77560145E-1},
+{1.79048792E-1, 1.95776582E-1, 2.80656606E-1},
+{2.06193641E-1, 2.64055401E-1, 3.33098441E-1},
+{1.75185278E-1, 1.91166341E-1, 2.57540315E-1},
+{2.28398636E-1, 2.45296657E-1, 3.08980793E-1},
+{1.80859819E-1, 2.43579060E-1, 2.96631068E-1},
+{2.76152968E-1, 3.08256060E-1, 3.46822590E-1},
+{1.37115732E-1, 1.80057764E-1, 2.20953465E-1},
+{1.81370094E-1, 2.26770103E-1, 2.70392686E-1},
+{1.25246510E-1, 1.79606944E-1, 3.10376436E-1},
+{1.90708354E-1, 2.87734240E-1, 3.13476235E-1},
+{1.30486086E-1, 1.60435289E-1, 3.00243706E-1},
+{1.97318628E-1, 2.56378502E-1, 2.78474301E-1},
+{1.58597067E-1, 2.37381399E-1, 2.62910336E-1},
+{2.61825919E-1, 2.77717203E-1, 3.31382245E-1},
+{1.64160743E-1, 1.85841531E-1, 2.35615849E-1},
+{2.09486142E-1, 2.21452802E-1, 2.92153865E-1},
+{1.66807845E-1, 2.13641763E-1, 2.70675927E-1},
+{2.29834273E-1, 2.88374633E-1, 3.06238323E-1},
+{1.82154253E-1, 2.00822473E-1, 2.40169376E-1},
+{2.24944726E-1, 2.69813925E-1, 2.91401237E-1},
+{1.63940564E-1, 2.50341147E-1, 2.78307766E-1},
+{2.56727993E-1, 2.95103759E-1, 3.53297085E-1},
+{1.40218839E-1, 1.76687688E-1, 2.46773273E-1},
+{2.15291306E-1, 2.29216009E-1, 2.64283627E-1},
+{1.21002659E-1, 2.18333840E-1, 3.22341293E-1},
+{2.54243195E-1, 2.73986191E-1, 2.96262473E-1},
+{1.60385415E-1, 1.83762908E-1, 2.81598717E-1},
+{1.87832162E-1, 2.37420350E-1, 3.29777509E-1},
+{1.77788362E-1, 2.26703495E-1, 3.02322537E-1},
+{2.75108218E-1, 2.93730587E-1, 3.12373787E-1},
+{1.70116410E-1, 1.85232103E-1, 2.46125028E-1},
+{2.21754774E-1, 2.39912242E-1, 2.86891907E-1},
+{1.95083722E-1, 2.08337873E-1, 2.88349718E-1},
+{2.37536535E-1, 2.75004476E-1, 3.39786023E-1},
+{1.88369319E-1, 2.04371840E-1, 2.57375032E-1},
+{2.47250155E-1, 2.60551840E-1, 3.02137524E-1},
+{1.66944191E-1, 2.46912360E-1, 3.18894416E-1},
+{2.78118610E-1, 3.13011140E-1, 3.65329295E-1},
+{1.45213529E-1, 1.63051456E-1, 2.24912614E-1},
+{2.05692515E-1, 2.20831484E-1, 2.52817810E-1},
+{1.21125661E-1, 1.96374118E-1, 3.00122708E-1},
+{2.15566799E-1, 2.65657336E-1, 2.99202889E-1},
+{1.09134212E-1, 1.78472102E-1, 2.88323194E-1},
+{2.03508541E-1, 2.40347922E-1, 2.96309739E-1},
+{1.53101787E-1, 2.25415319E-1, 2.84843713E-1},
+{2.50233442E-1, 2.77736932E-1, 3.24840695E-1},
+{1.66308925E-1, 1.94173396E-1, 2.11635381E-1},
+{2.01289460E-1, 2.26062179E-1, 2.93246478E-1},
+{1.49518773E-1, 2.14201719E-1, 2.83894747E-1},
+{2.21836135E-1, 2.85231501E-1, 3.20082635E-1},
+{1.89573213E-1, 2.06577629E-1, 2.30332345E-1},
+{2.31247649E-1, 2.46864259E-1, 2.89846569E-1},
+{1.39116928E-1, 2.59189934E-1, 2.98019558E-1},
+{2.44512573E-1, 2.82671362E-1, 3.61258298E-1},
+{1.22530967E-1, 1.68514788E-1, 2.70879298E-1},
+{2.04372838E-1, 2.30398357E-1, 2.71792918E-1},
+{1.42643943E-1, 2.22405583E-1, 2.92057186E-1},
+{2.42643669E-1, 2.77429372E-1, 2.97135502E-1},
+{1.52048603E-1, 1.96921080E-1, 2.61013240E-1},
+{2.17875019E-1, 2.45840371E-1, 3.08138579E-1},
+{1.90109268E-1, 2.31099129E-1, 2.80178159E-1},
+{2.54314184E-1, 2.94079810E-1, 3.39649171E-1},
+{1.56698599E-1, 2.08597451E-1, 2.28010774E-1},
+{2.25088730E-1, 2.50014484E-1, 2.76250154E-1},
+{1.78219035E-1, 1.98228240E-1, 3.04198891E-1},
+{2.08567217E-1, 2.92395383E-1, 3.46786886E-1},
+{1.71052113E-1, 2.03438759E-1, 2.62644321E-1},
+{2.30275467E-1, 2.58817524E-1, 3.11986536E-1},
+{1.85333565E-1, 2.45760202E-1, 3.10553998E-1},
+{2.89413869E-1, 3.11095625E-1, 3.46476167E-1},
+{1.50332406E-1, 1.67538226E-1, 2.40182847E-1},
+{1.79971650E-1, 2.37168610E-1, 2.60899693E-1},
+{1.49866179E-1, 1.97890073E-1, 3.07916552E-1},
+{2.10799649E-1, 2.88180083E-1, 3.29747230E-1},
+{1.31711140E-1, 1.65906459E-1, 3.22898000E-1},
+{2.14832023E-1, 2.52822131E-1, 2.97547072E-1},
+{1.83760419E-1, 2.37523615E-1, 2.74610013E-1},
+{2.55575180E-1, 2.75439233E-1, 3.46021861E-1},
+{1.82662204E-1, 1.99470907E-1, 2.16051653E-1},
+{2.09240332E-1, 2.22406715E-1, 3.02382857E-1},
+{1.84088245E-1, 2.11327791E-1, 2.82538086E-1},
+{2.41171077E-1, 2.97036022E-1, 3.15979272E-1},
+{1.96804658E-1, 2.11815894E-1, 2.41647676E-1},
+{2.42761984E-1, 2.58586556E-1, 2.93204397E-1},
+{1.58905461E-1, 2.65077025E-1, 2.89881319E-1},
+{2.58060575E-1, 3.18903178E-1, 3.47846836E-1},
+{1.48766384E-1, 1.66853935E-1, 2.66827434E-1},
+{2.15942249E-1, 2.29938298E-1, 2.76041597E-1},
+{1.38410494E-1, 2.39283442E-1, 3.27972382E-1},
+{2.43765280E-1, 2.88408488E-1, 3.06048721E-1},
+{1.70157120E-1, 1.89986289E-1, 2.81219155E-1},
+{2.19117031E-1, 2.58005291E-1, 3.26571971E-1},
+{1.92163572E-1, 2.23614186E-1, 2.98683077E-1},
+{2.73545444E-1, 3.12078089E-1, 3.30766588E-1},
+{1.62452087E-1, 2.04930902E-1, 2.53337711E-1},
+{2.23855302E-1, 2.37671077E-1, 3.03202003E-1},
+{1.93955287E-1, 2.12335557E-1, 3.07566851E-1},
+{2.29912683E-1, 2.97581047E-1, 3.37499231E-1},
+{1.89335391E-1, 2.04148144E-1, 2.78609782E-1},
+{2.42303565E-1, 2.73163110E-1, 3.15361649E-1},
+{1.55009672E-1, 2.88095146E-1, 3.35996419E-1},
+{2.73716152E-1, 3.31215471E-1, 3.62539083E-1},
+{1.52389362E-1, 1.72619134E-1, 1.90585673E-1},
+{1.96988270E-1, 2.26309747E-1, 2.46197492E-1},
+{1.20555148E-1, 2.06369758E-1, 2.81199783E-1},
+{1.93709418E-1, 2.71900505E-1, 3.01332921E-1},
+{1.36701152E-1, 1.54093146E-1, 2.82258362E-1},
+{1.97299168E-1, 2.53656298E-1, 2.90315062E-1},
+{1.43463776E-1, 2.43872911E-1, 2.75533706E-1},
+{2.58477271E-1, 2.73279876E-1, 3.21119100E-1},
+{1.54406175E-1, 1.93793535E-1, 2.15884149E-1},
+{2.05979452E-1, 2.24277020E-1, 2.85732359E-1},
+{1.74535319E-1, 2.08482355E-1, 2.79668540E-1},
+{2.18844578E-1, 2.72486299E-1, 3.27095598E-1},
+{1.77609727E-1, 2.12990195E-1, 2.39119649E-1},
+{2.29163751E-1, 2.59165913E-1, 2.83514649E-1},
+{1.57353148E-1, 2.39961296E-1, 3.04263145E-1},
+{2.45613828E-1, 3.16824526E-1, 3.42909366E-1},
+{1.42953232E-1, 1.61905348E-1, 2.53710240E-1},
+{2.10192814E-1, 2.22847700E-1, 2.71103770E-1},
+{1.26843944E-1, 2.16709048E-1, 2.97734648E-1},
+{2.31000140E-1, 2.80109137E-1, 2.99707443E-1},
+{1.52980462E-1, 1.93996876E-1, 2.72895664E-1},
+{2.12860718E-1, 2.41545349E-1, 3.16518754E-1},
+{1.71154693E-1, 2.22469687E-1, 2.93786496E-1},
+{2.51988232E-1, 3.04254979E-1, 3.31269950E-1},
+{1.33188918E-1, 2.07924992E-1, 2.55362093E-1},
+{2.12044910E-1, 2.42189646E-1, 2.88903743E-1},
+{1.84612468E-1, 2.01143622E-1, 2.86360770E-1},
+{2.18286708E-1, 2.76752442E-1, 3.44581515E-1},
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+{2.54552305E-1, 3.14394146E-1, 3.36392254E-1},
+{1.44095764E-1, 2.26640165E-1, 2.50595063E-1},
+{2.15188012E-1, 2.51417249E-1, 2.85043985E-1},
+{1.87674388E-1, 2.04458863E-1, 2.94168979E-1},
+{2.30494842E-1, 2.68452436E-1, 3.52370054E-1},
+{1.85022101E-1, 1.99075252E-1, 2.71930546E-1},
+{2.42569372E-1, 2.55389154E-1, 3.11399311E-1},
+{1.95166096E-1, 2.49102056E-1, 2.98998445E-1},
+{2.83654153E-1, 3.14600259E-1, 3.55619401E-1},
+{1.51490018E-1, 1.97729796E-1, 2.32467473E-1},
+{2.00029895E-1, 2.30101258E-1, 2.81933933E-1},
+{1.38711318E-1, 1.91816628E-1, 3.45780402E-1},
+{1.96580395E-1, 3.04714769E-1, 3.40553433E-1},
+{1.38154253E-1, 1.88543141E-1, 2.99461216E-1},
+{2.05666468E-1, 2.68904895E-1, 3.05537194E-1},
+{1.72447845E-1, 2.33558387E-1, 2.93625206E-1},
+{2.70145416E-1, 2.98654765E-1, 3.28556389E-1},
+{1.75489411E-1, 1.91361547E-1, 2.35585332E-1},
+{2.20548794E-1, 2.34773993E-1, 2.95397669E-1},
+{1.85652360E-1, 2.22349137E-1, 2.79883891E-1},
+{2.29456946E-1, 3.04546326E-1, 3.24684292E-1},
+{1.86900780E-1, 2.15469390E-1, 2.51856804E-1},
+{2.34910533E-1, 2.71217376E-1, 2.99894661E-1},
+{1.85142443E-1, 2.56071001E-1, 2.93291301E-1},
+{2.63883710E-1, 3.07127446E-1, 3.62546653E-1},
+{1.60997644E-1, 1.78937852E-1, 2.55808324E-1},
+{2.25671068E-1, 2.43735075E-1, 2.68624991E-1},
+{1.55076161E-1, 2.30396181E-1, 3.21005553E-1},
+{2.51760483E-1, 2.79653400E-1, 3.14202160E-1},
+{1.56988814E-1, 2.07466930E-1, 2.89933950E-1},
+{2.17479482E-1, 2.59626418E-1, 3.40659052E-1},
+{1.76811531E-1, 2.31087089E-1, 3.17562491E-1},
+{2.82952607E-1, 2.99844354E-1, 3.36822897E-1},
+{1.82060316E-1, 1.98734730E-1, 2.51980305E-1},
+{2.25874200E-1, 2.52469152E-1, 2.93356389E-1},
+{2.00799957E-1, 2.17786849E-1, 3.02210063E-1},
+{2.47423753E-1, 2.86882848E-1, 3.47820610E-1},
+{2.01128140E-1, 2.14746892E-1, 2.62269646E-1},
+{2.53963351E-1, 2.69477993E-1, 3.12133819E-1},
+{1.91034868E-1, 2.55738169E-1, 3.32559615E-1},
+{2.91053712E-1, 3.31458420E-1, 3.68588477E-1},
+{1.57229915E-1, 1.85374141E-1, 2.25361317E-1},
+{2.08051339E-1, 2.38350868E-1, 2.64212936E-1},
+{1.46848336E-1, 2.13000089E-1, 3.00192565E-1},
+{2.18630567E-1, 2.90263802E-1, 3.09045762E-1},
+{1.43699184E-1, 1.87815160E-1, 2.83769876E-1},
+{2.07328036E-1, 2.45088696E-1, 3.08956414E-1},
+{1.64228097E-1, 2.27826655E-1, 3.08907896E-1},
+{2.61919737E-1, 2.91333705E-1, 3.31527978E-1},
+{1.70648888E-1, 2.02157527E-1, 2.17827827E-1},
+{2.07796112E-1, 2.34704822E-1, 3.06783766E-1},
+{1.72118798E-1, 2.14057386E-1, 3.10151786E-1},
+{2.29116157E-1, 2.80949861E-1, 3.33774298E-1},
+{1.96622208E-1, 2.16653049E-1, 2.33279720E-1},
+{2.37789229E-1, 2.58971304E-1, 3.04609209E-1},
+{1.55182019E-1, 2.63032585E-1, 3.18943053E-1},
+{2.49388829E-1, 3.16970855E-1, 3.77762467E-1},
+{1.51363596E-1, 1.75010651E-1, 2.78245836E-1},
+{2.19810233E-1, 2.32360214E-1, 2.85034925E-1},
+{1.42630622E-1, 2.40602851E-1, 3.04125100E-1},
+{2.42764875E-1, 2.83762127E-1, 3.15481216E-1},
+{1.57467470E-1, 2.07524061E-1, 2.75674909E-1},
+{2.28758618E-1, 2.49092206E-1, 3.28139395E-1},
+{1.90872714E-1, 2.38125205E-1, 2.94894546E-1},
+{2.66389251E-1, 3.14321429E-1, 3.38669509E-1},
+{1.70644209E-1, 2.25980043E-1, 2.47372389E-1},
+{2.36442789E-1, 2.53003448E-1, 2.88220435E-1},
+{1.85423777E-1, 2.04888850E-1, 3.14608842E-1},
+{2.17379019E-1, 2.94553548E-1, 3.67831022E-1},
+{1.88563988E-1, 2.15174288E-1, 2.72999734E-1},
+{2.45102122E-1, 2.59770364E-1, 3.21885556E-1},
+{1.98444173E-1, 2.61160702E-1, 3.17097872E-1},
+{2.99013853E-1, 3.28965336E-1, 3.56681198E-1},
+{1.58248767E-1, 1.92205697E-1, 2.46059090E-1},
+{2.02385351E-1, 2.47965842E-1, 2.71749645E-1},
+{1.61710784E-1, 2.13708103E-1, 3.27384740E-1},
+{2.14419708E-1, 3.05552453E-1, 3.33721548E-1},
+{1.61819980E-1, 1.89897299E-1, 3.10501546E-1},
+{2.19436333E-1, 2.65029579E-1, 3.09288830E-1},
+{1.88303933E-1, 2.49633163E-1, 2.85499543E-1},
+{2.69325376E-1, 2.99807042E-1, 3.41722459E-1},
+{1.72406003E-1, 2.10977256E-1, 2.27773219E-1},
+{2.20281526E-1, 2.34015763E-1, 3.12846094E-1},
+{1.83257267E-1, 2.22061962E-1, 2.91052371E-1},
+{2.42531225E-1, 3.09527606E-1, 3.30389649E-1},
+{2.07546696E-1, 2.24662632E-1, 2.44420141E-1},
+{2.45858207E-1, 2.70285994E-1, 3.05132121E-1},
+{1.84840545E-1, 2.72096783E-1, 3.12531084E-1},
+{2.74252594E-1, 3.21252435E-1, 3.74658197E-1},
+{1.66425839E-1, 1.84491634E-1, 2.68278092E-1},
+{2.28423670E-1, 2.43025422E-1, 2.81184882E-1},
+{1.60091296E-1, 2.52953321E-1, 3.35822314E-1},
+{2.62109995E-1, 2.95581907E-1, 3.13354105E-1},
+{1.67702749E-1, 2.01536924E-1, 3.01801592E-1},
+{2.37822965E-1, 2.59894758E-1, 3.38231117E-1},
+{1.97206214E-1, 2.45490909E-1, 3.17895442E-1},
+{2.98455298E-1, 3.19209784E-1, 3.40971738E-1},
+{1.71195343E-1, 2.24327832E-1, 2.62736112E-1},
+{2.30626896E-1, 2.53310233E-1, 3.01206797E-1},
+{2.04814211E-1, 2.21881568E-1, 3.25966567E-1},
+{2.22987518E-1, 3.06339115E-1, 3.50717157E-1},
+{2.00855389E-1, 2.15359926E-1, 2.84143478E-1},
+{2.50951648E-1, 2.66189247E-1, 3.33360583E-1},
+{1.75610259E-1, 2.93791324E-1, 3.40326935E-1},
+{2.91745067E-1, 3.40602487E-1, 3.81397158E-1}};
+
+static const float evrc_lspq_full_codebook4[128][3] = {
+{2.77461529E-1, 3.16972077E-1, 3.95498335E-1},
+{3.36560428E-1, 3.60156953E-1, 3.81473005E-1},
+{3.10509324E-1, 3.31732392E-1, 3.66864383E-1},
+{3.37470949E-1, 3.96795273E-1, 4.12356317E-1},
+{2.79660404E-1, 3.66520107E-1, 3.85313451E-1},
+{3.16038966E-1, 3.85609329E-1, 4.01304781E-1},
+{3.09960425E-1, 3.43410730E-1, 4.24745500E-1},
+{3.54243636E-1, 4.08699274E-1, 4.22167957E-1},
+{2.95587242E-1, 3.33741128E-1, 3.87421668E-1},
+{3.33446383E-1, 3.86974752E-1, 4.01353061E-1},
+{3.23412836E-1, 3.65269661E-1, 3.85193288E-1},
+{3.42731953E-1, 4.03192520E-1, 4.19920385E-1},
+{2.77681828E-1, 3.82494986E-1, 4.04274166E-1},
+{3.18247974E-1, 3.95985305E-1, 4.31353152E-1},
+{3.03711414E-1, 3.80319715E-1, 4.37173545E-1},
+{3.78288805E-1, 4.07077312E-1, 4.22679126E-1},
+{2.38116503E-1, 3.42454314E-1, 4.24624741E-1},
+{3.45615685E-1, 3.68681073E-1, 4.00817335E-1},
+{3.17688107E-1, 3.41902673E-1, 4.05601799E-1},
+{3.66368949E-1, 3.89039934E-1, 4.06154454E-1},
+{2.99398005E-1, 3.52021694E-1, 3.99955690E-1},
+{3.24991941E-1, 3.90028834E-1, 4.19478714E-1},
+{3.23025763E-1, 3.68114293E-1, 4.02087748E-1},
+{3.62326264E-1, 4.16927993E-1, 4.32773650E-1},
+{2.72696435E-1, 3.59205008E-1, 4.26880658E-1},
+{3.46539855E-1, 3.69616628E-1, 4.15621221E-1},
+{3.34109128E-1, 3.55736315E-1, 3.96749556E-1},
+{3.37468982E-1, 4.10392702E-1, 4.25986826E-1},
+{2.99468994E-1, 3.80648255E-1, 4.18284118E-1},
+{3.21378171E-1, 4.11198020E-1, 4.28792536E-1},
+{3.27841163E-1, 3.69345129E-1, 4.34395611E-1},
+{3.80669057E-1, 4.26086366E-1, 4.42754567E-1},
+{2.68943667E-1, 3.42942953E-1, 3.98681462E-1},
+{3.38102877E-1, 3.76338840E-1, 3.92043173E-1},
+{3.23593497E-1, 3.48742068E-1, 3.72551978E-1},
+{3.47550809E-1, 3.92885387E-1, 4.21169937E-1},
+{3.04182827E-1, 3.59816670E-1, 3.81633341E-1},
+{3.14221382E-1, 4.02108550E-1, 4.20085251E-1},
+{3.01306546E-1, 3.62662733E-1, 4.29262817E-1},
+{3.71770263E-1, 3.98696363E-1, 4.31438982E-1},
+{2.74591267E-1, 3.35595489E-1, 4.20079648E-1},
+{3.44540834E-1, 3.90451789E-1, 4.06412065E-1},
+{3.25239837E-1, 3.78344476E-1, 3.94673288E-1},
+{3.56683493E-1, 3.90574157E-1, 4.33851063E-1},
+{2.63501287E-1, 3.95260096E-1, 4.23116386E-1},
+{3.37520659E-1, 3.92563462E-1, 4.43415821E-1},
+{3.14522266E-1, 3.80968630E-1, 4.22676384E-1},
+{3.76235068E-1, 4.17298734E-1, 4.31451261E-1},
+{2.61855006E-1, 3.68646085E-1, 4.04260576E-1},
+{3.55580151E-1, 3.77994478E-1, 3.95868242E-1},
+{3.27742815E-1, 3.53872776E-1, 4.11040604E-1},
+{3.62960637E-1, 3.99466991E-1, 4.14690197E-1},
+{3.09410870E-1, 3.73796046E-1, 3.92672479E-1},
+{3.31016302E-1, 4.00801599E-1, 4.31759298E-1},
+{3.23573053E-1, 3.68619561E-1, 4.17455137E-1},
+{3.49115849E-1, 4.26840067E-1, 4.43913996E-1},
+{2.89738595E-1, 3.63759339E-1, 4.10511792E-1},
+{3.55286479E-1, 3.89331281E-1, 4.13432419E-1},
+{3.36565912E-1, 3.60222459E-1, 4.24179018E-1},
+{3.39932680E-1, 4.09228802E-1, 4.40184891E-1},
+{3.00889730E-1, 4.00081098E-1, 4.17955697E-1},
+{3.17052066E-1, 4.22288120E-1, 4.42229569E-1},
+{3.27336788E-1, 3.84311676E-1, 4.30288613E-1},
+{3.98990929E-1, 4.29498434E-1, 4.43475187E-1},
+{2.49110118E-1, 3.25696886E-1, 4.11728263E-1},
+{3.45929205E-1, 3.68577540E-1, 3.88473272E-1},
+{3.13219666E-1, 3.39229465E-1, 3.87597919E-1},
+{3.51453960E-1, 3.98730278E-1, 4.12656188E-1},
+{2.93487132E-1, 3.75763118E-1, 3.94488096E-1},
+{3.24470758E-1, 3.94202888E-1, 4.08882737E-1},
+{3.12710822E-1, 3.57720256E-1, 4.14061189E-1},
+{3.66507173E-1, 4.08171296E-1, 4.23891425E-1},
+{2.99965680E-1, 3.31993401E-1, 4.07860160E-1},
+{3.34925175E-1, 3.86143029E-1, 4.11538124E-1},
+{3.34788024E-1, 3.66196156E-1, 3.93347144E-1},
+{3.47847939E-1, 4.05926466E-1, 4.30507302E-1},
+{2.85952926E-1, 3.95283282E-1, 4.16119337E-1},
+{3.23867381E-1, 4.06476676E-1, 4.42482829E-1},
+{3.16716671E-1, 3.84451628E-1, 4.39411044E-1},
+{3.86772931E-1, 4.11824584E-1, 4.27831531E-1},
+{2.38072395E-1, 3.62342358E-1, 4.30931687E-1},
+{3.46450031E-1, 3.79082918E-1, 4.06567812E-1},
+{3.16576600E-1, 3.56468618E-1, 3.96218300E-1},
+{3.66539180E-1, 3.89590919E-1, 4.21055555E-1},
+{3.08291376E-1, 3.71324301E-1, 4.07867432E-1},
+{3.36435199E-1, 3.91514421E-1, 4.22977090E-1},
+{3.23035538E-1, 3.80447328E-1, 4.09550190E-1},
+{3.65228057E-1, 4.27910388E-1, 4.43691254E-1},
+{2.72038043E-1, 3.76596808E-1, 4.33685899E-1},
+{3.57665777E-1, 3.77761602E-1, 4.09178972E-1},
+{3.36498559E-1, 3.64215910E-1, 4.09255505E-1},
+{3.48082423E-1, 4.17631805E-1, 4.33284521E-1},
+{3.02754521E-1, 3.95974755E-1, 4.33717251E-1},
+{3.31676304E-1, 4.17587161E-1, 4.36239839E-1},
+{3.33287597E-1, 3.80799115E-1, 4.39620733E-1},
+{3.88112009E-1, 4.36933577E-1, 4.50829268E-1},
+{2.56026626E-1, 3.48015189E-1, 4.22922611E-1},
+{3.45773995E-1, 3.81725788E-1, 3.96794081E-1},
+{3.25623751E-1, 3.50391924E-1, 3.87330651E-1},
+{3.56868088E-1, 3.98574769E-1, 4.23177242E-1},
+{3.01226199E-1, 3.86906981E-1, 4.03335571E-1},
+{3.28178406E-1, 4.02090192E-1, 4.19389248E-1},
+{3.14385355E-1, 3.69043887E-1, 4.34375286E-1},
+{3.72321129E-1, 4.11672413E-1, 4.40518737E-1},
+{2.90479720E-1, 3.48121881E-1, 4.26216483E-1},
+{3.44438791E-1, 3.82666349E-1, 4.17321086E-1},
+{3.34866822E-1, 3.76235664E-1, 4.04475212E-1},
+{3.59025359E-1, 4.04721916E-1, 4.34838414E-1},
+{2.79127955E-1, 4.11106586E-1, 4.35360551E-1},
+{3.48125517E-1, 3.98732066E-1, 4.46927428E-1},
+{3.27018857E-1, 3.90107334E-1, 4.41707492E-1},
+{3.90858352E-1, 4.19813931E-1, 4.35153484E-1},
+{2.55319297E-1, 3.70405972E-1, 4.32188630E-1},
+{3.54651988E-1, 3.88332665E-1, 4.02956128E-1},
+{3.21608186E-1, 3.54489803E-1, 4.28299785E-1},
+{3.75163496E-1, 3.98833990E-1, 4.14177418E-1},
+{3.11953604E-1, 3.91430676E-1, 4.12552476E-1},
+{3.42528820E-1, 3.96365345E-1, 4.32497382E-1},
+{3.33744347E-1, 3.76422405E-1, 4.20536995E-1},
+{3.53529096E-1, 4.29231048E-1, 4.59699273E-1},
+{2.88017929E-1, 3.77999961E-1, 4.34011698E-1},
+{3.55683446E-1, 3.80780041E-1, 4.23145533E-1},
+{3.44358265E-1, 3.72184873E-1, 4.31265354E-1},
+{3.53966117E-1, 4.14166689E-1, 4.42941308E-1},
+{3.04770231E-1, 4.12517488E-1, 4.34183121E-1},
+{3.35913360E-1, 4.24590766E-1, 4.46378469E-1},
+{3.43738198E-1, 3.84766221E-1, 4.35271382E-1},
+{4.10941303E-1, 4.40662980E-1, 4.52113390E-1}};
+
+static const float evrc_lspq_half_codebook1[128][3] = {
+{1.35226343E-2, 1.82081293E-2, 3.93940695E-2},
+{2.29392890E-2, 3.57831158E-2, 1.05352886E-1},
+{2.09106486E-2, 3.04159056E-2, 8.93941075E-2},
+{1.88909005E-2, 3.82722206E-2, 1.37820408E-1},
+{2.05143820E-2, 2.85481159E-2, 7.39762187E-2},
+{4.69510332E-2, 6.84031919E-2, 1.09123811E-1},
+{3.15557197E-2, 5.69139980E-2, 8.57057571E-2},
+{3.81181911E-2, 7.77784660E-2, 1.92532852E-1},
+{2.16297153E-2, 2.92908940E-2, 6.25042021E-2},
+{3.11414022E-2, 5.99079318E-2, 1.02860682E-1},
+{3.02799307E-2, 5.35012372E-2, 7.80925751E-2},
+{6.50846213E-2, 9.06624720E-2, 1.42850950E-1},
+{3.27340364E-2, 5.04027791E-2, 6.26492277E-2},
+{5.27439862E-2, 6.22574277E-2, 1.22198336E-1},
+{3.48840356E-2, 6.42222390E-2, 9.16024595E-2},
+{4.88984436E-2, 1.05058022E-1, 1.68813452E-1},
+{2.35791076E-2, 3.21034677E-2, 5.60899563E-2},
+{2.77252812E-2, 4.87281792E-2, 1.01224191E-1},
+{2.74348017E-2, 4.04965915E-2, 9.34926122E-2},
+{4.38360050E-2, 6.03261292E-2, 1.52400866E-1},
+{2.68994924E-2, 4.52906378E-2, 6.49800375E-2},
+{5.16058952E-2, 6.08312152E-2, 1.08799636E-1},
+{4.20064926E-2, 6.11845106E-2, 8.54474008E-2},
+{7.13502690E-2, 1.01972111E-1, 1.74640998E-1},
+{2.88906675E-2, 4.13964354E-2, 5.25928028E-2},
+{3.16364467E-2, 6.63532093E-2, 1.24950245E-1},
+{4.30289507E-2, 5.14023267E-2, 7.96877742E-2},
+{5.70970774E-2, 1.08444504E-1, 1.44075617E-1},
+{3.38840261E-2, 5.04746847E-2, 7.29765445E-2},
+{6.54265657E-2, 7.90987685E-2, 1.15570590E-1},
+{3.85423526E-2, 7.33125433E-2, 1.02307513E-1},
+{6.57824501E-2, 1.02909811E-1, 2.11874440E-1},
+{1.54727865E-2, 2.04559695E-2, 5.46121262E-2},
+{2.27950197E-2, 3.90954204E-2, 1.19443826E-1},
+{3.06889173E-2, 4.54540215E-2, 8.20418894E-2},
+{2.25957241E-2, 4.79101725E-2, 1.71844408E-1},
+{2.71088015E-2, 4.01739590E-2, 7.01922849E-2},
+{4.95789349E-2, 7.92963281E-2, 1.04862511E-1},
+{3.06095853E-2, 5.64059429E-2, 9.49584097E-2},
+{6.34224564E-2, 9.11655501E-2, 1.84724405E-1},
+{2.43342388E-2, 3.91998328E-2, 6.31406233E-2},
+{3.38011980E-2, 6.60846457E-2, 1.11031540E-1},
+{3.51784080E-2, 5.79397269E-2, 7.20702857E-2},
+{6.49054050E-2, 8.65831897E-2, 1.54648736E-1},
+{2.91934665E-2, 5.16204573E-2, 6.94437325E-2},
+{5.94522804E-2, 7.19829276E-2, 1.27434507E-1},
+{5.31888530E-2, 6.38182089E-2, 9.88218486E-2},
+{8.68290961E-2, 1.41135350E-1, 1.91728458E-1},
+{2.49991138E-2, 3.62556018E-2, 5.03724031E-2},
+{2.82246377E-2, 5.44572286E-2, 1.12663500E-1},
+{3.62618119E-2, 4.59073223E-2, 9.43343639E-2},
+{5.70455343E-2, 7.46300444E-2, 1.59157172E-1},
+{2.72987466E-2, 4.56625856E-2, 7.52529651E-2},
+{5.12860194E-2, 8.51126984E-2, 1.23587973E-1},
+{4.91451994E-2, 5.93483113E-2, 9.22686011E-2},
+{7.06961900E-2, 1.05451979E-1, 1.92602143E-1},
+{2.80733760E-2, 4.18509208E-2, 5.87159805E-2},
+{4.64449003E-2, 7.06698820E-2, 1.26038432E-1},
+{4.18453738E-2, 6.30445331E-2, 7.66169876E-2},
+{8.42416435E-2, 1.13282882E-1, 1.43687114E-1},
+{4.17615622E-2, 5.59472926E-2, 7.09872842E-2},
+{5.55161387E-2, 9.50126722E-2, 1.27727196E-1},
+{5.90935498E-2, 7.36730024E-2, 9.65935886E-2},
+{7.84136653E-2, 1.41432360E-1, 2.17428640E-1},
+{2.10490543E-2, 2.91891042E-2, 4.60035764E-2},
+{3.64863276E-2, 4.62387018E-2, 1.07044168E-1},
+{2.68652122E-2, 3.92937548E-2, 8.41179937E-2},
+{2.72903945E-2, 5.53805046E-2, 1.41586170E-1},
+{2.48476695E-2, 3.63277681E-2, 7.62430876E-2},
+{5.25430813E-2, 7.75778666E-2, 1.14567965E-1},
+{4.07741442E-2, 5.39923795E-2, 9.07640457E-2},
+{5.73043302E-2, 7.65803084E-2, 1.79578975E-1},
+{2.46032421E-2, 3.41408364E-2, 6.78990781E-2},
+{4.08220068E-2, 6.29783794E-2, 9.95191261E-2},
+{3.83025035E-2, 5.52857481E-2, 7.90019333E-2},
+{7.24111274E-2, 1.01903863E-1, 1.46979645E-1},
+{3.73902172E-2, 4.70463894E-2, 6.54684529E-2},
+{5.27397543E-2, 6.72770366E-2, 1.39680430E-1},
+{4.05365378E-2, 7.05081299E-2, 9.25668627E-2},
+{4.43425253E-2, 1.10367171E-1, 1.99636266E-1},
+{2.54920740E-2, 3.47603969E-2, 6.05902039E-2},
+{4.35465500E-2, 5.32369502E-2, 1.08325966E-1},
+{2.79599819E-2, 4.91324775E-2, 8.84284526E-2},
+{4.98051867E-2, 8.81728902E-2, 1.52597323E-1},
+{3.19346264E-2, 4.62169312E-2, 6.85206428E-2},
+{5.80246300E-2, 6.84268698E-2, 1.15085281E-1},
+{4.33904678E-2, 6.90575615E-2, 8.44984353E-2},
+{7.39691556E-2, 1.19240515E-1, 1.77340195E-1},
+{3.18767503E-2, 4.59697433E-2, 5.72372638E-2},
+{4.50873822E-2, 5.66509366E-2, 1.32005826E-1},
+{4.59097028E-2, 5.45580424E-2, 8.61423314E-2},
+{7.44685754E-2, 1.13815404E-1, 1.61570594E-1},
+{3.97509560E-2, 4.95359488E-2, 7.22542256E-2},
+{6.76257759E-2, 8.31029043E-2, 1.27990112E-1},
+{5.76258078E-2, 6.95326403E-2, 1.05012968E-1},
+{6.85313493E-2, 1.21758826E-1, 2.20626548E-1},
+{2.18480472E-2, 2.99130920E-2, 5.16208000E-2},
+{3.64343151E-2, 4.91795056E-2, 1.23277210E-1},
+{3.89611274E-2, 4.76634987E-2, 8.61716568E-2},
+{4.14635167E-2, 6.88006952E-2, 1.69356152E-1},
+{3.35514620E-2, 4.17815186E-2, 7.37159401E-2},
+{5.80224693E-2, 8.70314166E-2, 1.12917498E-1},
+{4.80243117E-2, 5.69486506E-2, 1.00755706E-1},
+{5.98873124E-2, 8.57942328E-2, 2.01388851E-1},
+{2.99309995E-2, 3.94828431E-2, 6.46376088E-2},
+{3.88626605E-2, 8.07443634E-2, 1.15519784E-1},
+{3.49444002E-2, 6.28911033E-2, 8.04982036E-2},
+{6.88817874E-2, 9.92431119E-2, 1.60393253E-1},
+{3.64237651E-2, 5.34016453E-2, 6.70152009E-2},
+{5.83492741E-2, 7.85285756E-2, 1.41746715E-1},
+{4.86469641E-2, 7.26736858E-2, 9.48315859E-2},
+{5.85533604E-2, 1.36289746E-1, 1.98639736E-1},
+{2.60888506E-2, 3.73406820E-2, 5.57853170E-2},
+{4.58504409E-2, 5.60512505E-2, 1.17927872E-1},
+{4.28801328E-2, 5.14739119E-2, 9.75309014E-2},
+{6.37611598E-2, 8.73552933E-2, 1.68334916E-1},
+{3.76709923E-2, 4.58216034E-2, 7.86528140E-2},
+{6.75194561E-2, 8.98697898E-2, 1.19418114E-1},
+{5.46374246E-2, 6.66805878E-2, 8.93813819E-2},
+{7.73086548E-2, 1.21754415E-1, 1.99579224E-1},
+{3.15621309E-2, 4.51702215E-2, 6.25768527E-2},
+{3.78782675E-2, 8.03486481E-2, 1.38961688E-1},
+{5.08303270E-2, 6.18740581E-2, 8.31153840E-2},
+{8.96311402E-2, 1.28753766E-1, 1.64891586E-1},
+{4.73503470E-2, 5.75724356E-2, 7.65264630E-2},
+{7.16898590E-2, 9.89895687E-2, 1.30078360E-1},
+{6.29082546E-2, 7.90778771E-2, 1.05111063E-1},
+{8.80649835E-2, 1.65206164E-1, 2.13214174E-1}};
+
+static const float evrc_lspq_half_codebook2[128][3] = {
+{9.75915268E-2, 1.23701490E-1, 1.69437975E-1},
+{9.49536338E-2, 2.01081768E-1, 2.26855248E-1},
+{9.00496617E-2, 1.49164870E-1, 2.26532787E-1},
+{1.70302704E-1, 1.97222874E-1, 2.49974832E-1},
+{1.08773641E-1, 1.51972428E-1, 1.75123364E-1},
+{1.30278930E-1, 2.13229164E-1, 2.29646355E-1},
+{1.24917991E-1, 1.87347755E-1, 2.04712003E-1},
+{2.00670198E-1, 2.28963569E-1, 2.69420803E-1},
+{8.98375586E-2, 1.25332758E-1, 2.10539430E-1},
+{9.62376669E-2, 2.07185850E-1, 2.54174471E-1},
+{1.05694629E-1, 1.78856418E-1, 2.00121015E-1},
+{1.56048968E-1, 2.19573721E-1, 2.91079402E-1},
+{1.37392268E-1, 1.59993336E-1, 1.94698542E-1},
+{1.07262500E-1, 2.37790957E-1, 2.70740807E-1},
+{1.42976448E-1, 2.01550499E-1, 2.18468934E-1},
+{2.14270487E-1, 2.71881402E-1, 3.01200211E-1},
+{1.10729210E-1, 1.33688226E-1, 1.54877156E-1},
+{1.06667660E-1, 1.76678821E-1, 2.62798905E-1},
+{9.16352943E-2, 1.74592838E-1, 2.19329327E-1},
+{1.84038624E-1, 2.27964059E-1, 2.47762203E-1},
+{1.10572360E-1, 1.58207163E-1, 1.96013063E-1},
+{1.33543387E-1, 2.32269660E-1, 2.51828164E-1},
+{1.55922309E-1, 1.77941337E-1, 2.18096644E-1},
+{1.92260072E-1, 2.49512479E-1, 2.89911509E-1},
+{1.13708906E-1, 1.37872443E-1, 2.02929884E-1},
+{1.02557532E-1, 1.84820071E-1, 2.92164624E-1},
+{1.36595622E-1, 1.58687428E-1, 2.41399556E-1},
+{1.72813818E-1, 2.49303415E-1, 3.00458610E-1},
+{1.36871174E-1, 1.57249823E-1, 2.10913152E-1},
+{1.28974810E-1, 2.45167866E-1, 2.67653584E-1},
+{1.66812256E-1, 1.88998029E-1, 2.31345922E-1},
+{2.32248470E-1, 2.63196051E-1, 3.16754937E-1},
+{9.24560949E-2, 1.19977452E-1, 1.91262275E-1},
+{1.13085262E-1, 2.08461538E-1, 2.29368120E-1},
+{1.00716405E-1, 1.40670076E-1, 2.58062959E-1},
+{1.67010382E-1, 2.18105540E-1, 2.62592494E-1},
+{1.25487238E-1, 1.62686959E-1, 1.84409231E-1},
+{1.52406558E-1, 2.07131729E-1, 2.47582436E-1},
+{1.37441203E-1, 1.80262372E-1, 2.17698842E-1},
+{2.07853511E-1, 2.49209508E-1, 2.69830108E-1},
+{9.35257301E-2, 1.49197355E-1, 2.04652041E-1},
+{1.11997180E-1, 2.25233063E-1, 2.47003049E-1},
+{1.09315015E-1, 1.93811879E-1, 2.13802189E-1},
+{1.75118580E-1, 2.52520263E-1, 2.75082767E-1},
+{1.36918738E-1, 1.77440569E-1, 1.97931141E-1},
+{1.36811242E-1, 2.37426177E-1, 2.84737825E-1},
+{1.60759792E-1, 2.00833157E-1, 2.18084484E-1},
+{2.33710244E-1, 2.66372561E-1, 2.91802049E-1},
+{1.19171090E-1, 1.39703169E-1, 1.87723249E-1},
+{1.31049946E-1, 1.93696663E-1, 2.60426998E-1},
+{1.08267047E-1, 1.65194795E-1, 2.39523023E-1},
+{2.03195021E-1, 2.25942209E-1, 2.49403238E-1},
+{1.23842932E-1, 1.45794615E-1, 2.15635628E-1},
+{1.71226338E-1, 2.38054529E-1, 2.57975638E-1},
+{1.66923836E-1, 1.88604668E-1, 2.11124212E-1},
+{2.10620746E-1, 2.62442708E-1, 2.83127964E-1},
+{1.05748810E-1, 1.36286482E-1, 2.20050186E-1},
+{9.72945765E-2, 2.33471528E-1, 2.96113968E-1},
+{1.34298369E-1, 1.93955436E-1, 2.39148825E-1},
+{1.64229318E-1, 2.70067751E-1, 2.94142485E-1},
+{1.42760262E-1, 1.65033355E-1, 2.24100381E-1},
+{1.46414533E-1, 2.47942328E-1, 3.00708115E-1},
+{1.74778774E-1, 2.19349250E-1, 2.38162965E-1},
+{2.36311123E-1, 2.90669680E-1, 3.28010976E-1},
+{1.14076428E-1, 1.33071408E-1, 1.73181504E-1},
+{1.13575839E-1, 1.90307274E-1, 2.41681188E-1},
+{8.59165266E-2, 1.63920239E-1, 2.37934500E-1},
+{1.92916945E-1, 2.15082392E-1, 2.39128128E-1},
+{1.37291834E-1, 1.59423307E-1, 1.79722220E-1},
+{1.40435383E-1, 2.22092256E-1, 2.40960747E-1},
+{1.40387163E-1, 1.89601168E-1, 2.05635697E-1},
+{2.11695507E-1, 2.36578360E-1, 2.81248927E-1},
+{9.03010592E-2, 1.27157405E-1, 2.33567923E-1},
+{1.10118054E-1, 2.09328398E-1, 2.72836268E-1},
+{1.16710417E-1, 1.77853987E-1, 2.22808748E-1},
+{1.81691542E-1, 2.32265159E-1, 2.74991214E-1},
+{1.46553472E-1, 1.69474706E-1, 1.90245956E-1},
+{1.09213792E-1, 2.63291955E-1, 2.88490772E-1},
+{1.49815127E-1, 2.11342707E-1, 2.28899449E-1},
+{1.97645500E-1, 2.83229947E-1, 3.14882278E-1},
+{1.24495603E-1, 1.46097973E-1, 1.66125208E-1},
+{1.34878591E-1, 1.83030054E-1, 2.89288282E-1},
+{9.33032110E-2, 1.83962211E-1, 2.38543004E-1},
+{1.92844257E-1, 2.39588335E-1, 2.58421540E-1},
+{1.23796798E-1, 1.65556595E-1, 2.08408386E-1},
+{1.51144341E-1, 2.35801116E-1, 2.59280622E-1},
+{1.50657728E-1, 1.90052524E-1, 2.28362590E-1},
+{1.98180959E-1, 2.56794214E-1, 3.08975637E-1},
+{1.28490031E-1, 1.49084017E-1, 1.98376507E-1},
+{9.20595750E-2, 2.12231293E-1, 2.92948842E-1},
+{1.41698137E-1, 1.72356680E-1, 2.58454144E-1},
+{1.96733460E-1, 2.29709730E-1, 2.95780182E-1},
+{1.47062227E-1, 1.68918088E-1, 2.07363635E-1},
+{1.36309877E-1, 2.60373056E-1, 2.82607377E-1},
+{1.81041077E-1, 2.01826140E-1, 2.38867551E-1},
+{2.45326266E-1, 2.80183077E-1, 3.11954319E-1},
+{1.04131766E-1, 1.33040652E-1, 1.89834684E-1},
+{1.23298146E-1, 2.09621087E-1, 2.47813210E-1},
+{1.24040775E-1, 1.59827366E-1, 2.58856058E-1},
+{1.87048867E-1, 2.12488100E-1, 2.59629130E-1},
+{1.24255307E-1, 1.73768952E-1, 1.92850024E-1},
+{1.58917829E-1, 2.25389823E-1, 2.43284762E-1},
+{1.53421149E-1, 1.91807315E-1, 2.09249526E-1},
+{2.27154449E-1, 2.51181155E-1, 2.72600353E-1},
+{1.09922059E-1, 1.57100275E-1, 2.20024973E-1},
+{1.32782355E-1, 2.19485506E-1, 2.67028928E-1},
+{1.26857504E-1, 1.98836312E-1, 2.17928499E-1},
+{1.91415027E-1, 2.52424240E-1, 2.72652745E-1},
+{1.55277625E-1, 1.79573521E-1, 2.00773627E-1},
+{1.17547743E-1, 2.47869864E-1, 3.08279335E-1},
+{1.65706977E-1, 2.10339502E-1, 2.29199320E-1},
+{2.25694910E-1, 2.84438193E-1, 3.12106073E-1},
+{1.29503176E-1, 1.48420051E-1, 1.80180401E-1},
+{1.54752508E-1, 1.97748467E-1, 2.67275035E-1},
+{1.28590241E-1, 1.76178381E-1, 2.39905864E-1},
+{2.14926764E-1, 2.37634435E-1, 2.58794010E-1},
+{1.28322318E-1, 1.59338519E-1, 2.26626605E-1},
+{1.55747548E-1, 2.47740522E-1, 2.73726821E-1},
+{1.75741687E-1, 1.97952345E-1, 2.19115943E-1},
+{2.18626365E-1, 2.45809183E-1, 3.00479650E-1},
+{1.17709018E-1, 1.45512864E-1, 2.38044471E-1},
+{1.18006893E-1, 2.23775521E-1, 2.94175088E-1},
+{1.51349202E-1, 1.88157812E-1, 2.48743281E-1},
+{1.89312205E-1, 2.69580543E-1, 2.93785989E-1},
+{1.49895594E-1, 1.74537256E-1, 2.37430006E-1},
+{1.39775530E-1, 2.71709383E-1, 3.07839513E-1},
+{1.83945730E-1, 2.07717165E-1, 2.26722151E-1},
+{2.54552156E-1, 2.96640933E-1, 3.24801445E-1}};
+
+static const float evrc_lspq_half_codebook3[256][4] = {
+{2.36904725E-1, 2.56104350E-1, 3.16955745E-1, 4.07520533E-1},
+{2.97596931E-1, 3.23482454E-1, 3.47667515E-1, 3.74551237E-1},
+{2.73721159E-1, 2.98297524E-1, 3.29923928E-1, 3.83599102E-1},
+{3.07849586E-1, 3.32836270E-1, 3.89340341E-1, 4.05575991E-1},
+{2.33803615E-1, 2.60296524E-1, 3.67351949E-1, 4.04388249E-1},
+{2.97513664E-1, 3.15356553E-1, 3.85135233E-1, 4.02197123E-1},
+{2.85618782E-1, 3.10872793E-1, 3.65022361E-1, 3.84816766E-1},
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+{2.85274565E-1, 3.08774531E-1, 3.92916501E-1, 4.14437652E-1},
+{3.44446361E-1, 3.62201869E-1, 3.97619784E-1, 4.17743623E-1},
+{2.32083067E-1, 2.67807961E-1, 3.78075659E-1, 4.34560895E-1},
+{3.04738700E-1, 3.51865292E-1, 3.75973165E-1, 3.95293653E-1},
+{2.61990905E-1, 3.46207321E-1, 3.71296942E-1, 4.12438929E-1},
+{3.11080933E-1, 3.51040900E-1, 4.16082799E-1, 4.34340119E-1},
+{2.74980426E-1, 2.96631455E-1, 3.87520492E-1, 4.09243762E-1},
+{2.90939093E-1, 3.54455590E-1, 3.93426955E-1, 4.08220291E-1},
+{2.71871865E-1, 3.45510781E-1, 3.87125313E-1, 4.22590613E-1},
+{3.63245904E-1, 3.81932199E-1, 4.04114902E-1, 4.18370664E-1},
+{2.45770738E-1, 2.72909343E-1, 3.48317921E-1, 4.25161839E-1},
+{3.14139009E-1, 3.37872326E-1, 3.65195215E-1, 4.04423416E-1},
+{2.94075787E-1, 3.16935539E-1, 3.43047202E-1, 4.06130373E-1},
+{3.14627469E-1, 3.72413397E-1, 4.00660694E-1, 4.17930841E-1},
+{2.34014243E-1, 3.14007223E-1, 3.83003533E-1, 4.34829175E-1},
+{2.93635666E-1, 3.20529997E-1, 4.10837352E-1, 4.36393142E-1},
+{2.89505839E-1, 3.11828852E-1, 3.86311471E-1, 4.38771248E-1},
+{3.26317430E-1, 3.80858183E-1, 4.19721425E-1, 4.38795507E-1},
+{2.50809520E-1, 2.83018053E-1, 3.82247388E-1, 4.34244394E-1},
+{3.18994045E-1, 3.44855130E-1, 3.72690141E-1, 4.23067033E-1},
+{2.88380086E-1, 3.36622238E-1, 3.69742334E-1, 4.25057590E-1},
+{3.06107700E-1, 3.81856918E-1, 4.18206155E-1, 4.32868361E-1},
+{2.33898312E-1, 3.44861805E-1, 4.12176549E-1, 4.29216206E-1},
+{2.85980880E-1, 3.42903793E-1, 4.25112903E-1, 4.44299698E-1},
+{2.79858828E-1, 3.38789344E-1, 3.92085373E-1, 4.40541029E-1},
+{3.64509344E-1, 3.82202744E-1, 4.29830611E-1, 4.45818365E-1},
+{2.34392300E-1, 2.57377386E-1, 3.59567046E-1, 4.30088580E-1},
+{3.05031896E-1, 3.27589393E-1, 3.78305554E-1, 4.01026130E-1},
+{2.77522624E-1, 3.18130314E-1, 3.67794275E-1, 4.01543021E-1},
+{3.33035767E-1, 3.55820954E-1, 3.87548923E-1, 4.24628675E-1},
+{2.45021001E-1, 3.12560678E-1, 3.91147614E-1, 4.08762813E-1},
+{2.97059119E-1, 3.40246916E-1, 3.92919302E-1, 4.28899705E-1},
+{2.77839303E-1, 3.25019777E-1, 3.97436380E-1, 4.15920913E-1},
+{3.49465251E-1, 3.70362461E-1, 3.95482540E-1, 4.31923389E-1},
+{2.31485590E-1, 2.91023374E-1, 3.77909541E-1, 4.32259738E-1},
+{3.19283485E-1, 3.53671074E-1, 3.80982876E-1, 3.97843361E-1},
+{2.89689243E-1, 3.50265682E-1, 3.80729675E-1, 3.97969365E-1},
+{3.28987300E-1, 3.52005422E-1, 4.12557244E-1, 4.37597930E-1},
+{2.76273251E-1, 3.02267194E-1, 3.81723404E-1, 4.34989095E-1},
+{2.79627264E-1, 3.73727322E-1, 4.12374616E-1, 4.30626333E-1},
+{2.53442764E-1, 3.65940034E-1, 4.14937019E-1, 4.32743609E-1},
+{3.76107216E-1, 3.95142019E-1, 4.16787744E-1, 4.33023572E-1},
+{2.62815833E-1, 2.88270533E-1, 3.47397208E-1, 4.24182594E-1},
+{3.01931322E-1, 3.43652546E-1, 3.77031326E-1, 4.34204459E-1},
+{2.97834277E-1, 3.23495388E-1, 3.64492416E-1, 4.33550835E-1},
+{3.31774473E-1, 3.64324927E-1, 3.98243546E-1, 4.35078323E-1},
+{2.49049723E-1, 3.27870786E-1, 3.83587003E-1, 4.35558081E-1},
+{3.04653406E-1, 3.27671230E-1, 4.18484688E-1, 4.41378772E-1},
+{2.96960890E-1, 3.23898911E-1, 3.90463710E-1, 4.39915955E-1},
+{3.43923748E-1, 3.67100477E-1, 4.29523230E-1, 4.45214987E-1},
+{2.59399652E-1, 2.91602671E-1, 4.04372454E-1, 4.31413233E-1},
+{2.97537506E-1, 3.57573807E-1, 3.88991833E-1, 4.30006981E-1},
+{2.84068942E-1, 3.49574566E-1, 3.81042838E-1, 4.29712772E-1},
+{3.25716257E-1, 3.74875903E-1, 4.31959271E-1, 4.47290838E-1},
+{2.65302956E-1, 3.14745963E-1, 4.16703463E-1, 4.37294722E-1},
+{3.00398588E-1, 3.54147255E-1, 4.28538084E-1, 4.60336387E-1},
+{2.98077166E-1, 3.49304914E-1, 4.00429249E-1, 4.48213518E-1},
+{3.75576198E-1, 4.16657329E-1, 4.42136765E-1, 4.52728629E-1}};
+
+static const float evrc_lspq_quant_codebook1[16][5] = {
+{0.42091064E-1, 0.69474973E-1, 0.11168948E+0, 0.14571965E+0, 0.20893581E+0},
+{0.54944664E-1, 0.98242261E-1, 0.11007882E+0, 0.15890779E+0, 0.20548241E+0},
+{0.45188572E-1, 0.75199433E-1, 0.11423391E+0, 0.15469728E+0, 0.19746706E+0},
+{0.49474996E-1, 0.79667501E-1, 0.12571351E+0, 0.16944779E+0, 0.20775315E+0},
+{0.41789379E-1, 0.63459560E-1, 0.12068028E+0, 0.15850765E+0, 0.20406815E+0},
+{0.47159236E-1, 0.79129547E-1, 0.12183110E+0, 0.15650047E+0, 0.22309226E+0},
+{0.54539919E-1, 0.80343045E-1, 0.12947764E+0, 0.15186153E+0, 0.20171718E+0},
+{0.55852082E-1, 0.94114847E-1, 0.14016025E+0, 0.17807084E+0, 0.22955489E+0},
+{0.45443531E-1, 0.73541410E-1, 0.11937657E+0, 0.15442030E+0, 0.21010752E+0},
+{0.63178010E-1, 0.95231488E-1, 0.12364983E+0, 0.17672543E+0, 0.21743731E+0},
+{0.52765369E-1, 0.84351443E-1, 0.11589085E+0, 0.15790924E+0, 0.20732352E+0},
+{0.51865745E-1, 0.81328541E-1, 0.13756232E+0, 0.18322878E+0, 0.21640070E+0},
+{0.44419531E-1, 0.68874463E-1, 0.13115251E+0, 0.16263582E+0, 0.21659100E+0},
+{0.49378436E-1, 0.81882551E-1, 0.13067168E+0, 0.16821896E+0, 0.23136081E+0},
+{0.55909779E-1, 0.90783298E-1, 0.13348848E+0, 0.16298474E+0, 0.20961523E+0},
+{0.61378211E-1, 0.98602772E-1, 0.14793332E+0, 0.19283190E+0, 0.23156509E+0}};
+
+static const float evrc_lspq_quant_codebook2[16][5] = {
+{0.26822963, 0.30585295, 0.31110349, 0.36823335, 0.40774474},
+{0.24418014, 0.28970167, 0.32573757, 0.39021483, 0.41345838},
+{0.23341830, 0.30078292, 0.32893899, 0.38557330, 0.41068462},
+{0.25905868, 0.29756859, 0.34196618, 0.38531172, 0.41295227},
+{0.24290450, 0.29223618, 0.32718554, 0.37788135, 0.40332928},
+{0.24674191, 0.29749370, 0.33631226, 0.39426059, 0.42258954},
+{0.21377595, 0.33140418, 0.34067687, 0.38222077, 0.40939021},
+{0.26673481, 0.30791649, 0.34419721, 0.39611506, 0.42387524},
+{0.26121426, 0.30492544, 0.32997236, 0.38486803, 0.42023736},
+{0.24954870, 0.29372856, 0.33382735, 0.37850669, 0.41714057},
+{0.24158891, 0.30173415, 0.34128246, 0.38428575, 0.41619650},
+{0.25818908, 0.31736413, 0.34904337, 0.38769925, 0.41551358},
+{0.24450587, 0.30673453, 0.33579323, 0.37844428, 0.40557048},
+{0.25164026, 0.31225079, 0.33847794, 0.39554194, 0.42396802},
+{0.22787990, 0.31779197, 0.33831909, 0.40044111, 0.41185561},
+{0.27896860, 0.32261974, 0.35658112, 0.40206763, 0.42370448}};
+
+static const float const *evrc_lspq_full_codebooks[] = {
+ evrc_lspq_full_codebook1[0], evrc_lspq_full_codebook2[0],
+ evrc_lspq_full_codebook3[0], evrc_lspq_full_codebook4[0],
+};
+
+static const float const *evrc_lspq_half_codebooks[] = {
+ evrc_lspq_half_codebook1[0], evrc_lspq_half_codebook2[0],
+ evrc_lspq_half_codebook3[0],
+};
+
+static const float const *evrc_lspq_quant_codebooks[] = {
+ evrc_lspq_quant_codebook1[0], evrc_lspq_quant_codebook2[0],
+};
+
+static const float const **evrc_lspq_codebooks[] = {
+ 0,
+ evrc_lspq_quant_codebooks,
+ 0,
+ evrc_lspq_half_codebooks,
+ evrc_lspq_full_codebooks,
+};
+
+static const uint8_t evrc_lspq_nb_codebooks[] = {
+ 0,
+ FF_ARRAY_ELEMS(evrc_lspq_quant_codebooks),
+ 0,
+ FF_ARRAY_ELEMS(evrc_lspq_half_codebooks),
+ FF_ARRAY_ELEMS(evrc_lspq_full_codebooks),
+};
+
+static const uint8_t evrc_lspq_full_codebooks_row_sizes[] = {
+ FF_ARRAY_ELEMS(evrc_lspq_full_codebook1[0]),
+ FF_ARRAY_ELEMS(evrc_lspq_full_codebook2[0]),
+ FF_ARRAY_ELEMS(evrc_lspq_full_codebook3[0]),
+ FF_ARRAY_ELEMS(evrc_lspq_full_codebook4[0]),
+};
+
+static const uint8_t evrc_lspq_half_codebooks_row_sizes[] = {
+ FF_ARRAY_ELEMS(evrc_lspq_half_codebook1[0]),
+ FF_ARRAY_ELEMS(evrc_lspq_half_codebook2[0]),
+ FF_ARRAY_ELEMS(evrc_lspq_half_codebook3[0]),
+};
+
+static const uint8_t evrc_lspq_quant_codebooks_row_sizes[] = {
+ FF_ARRAY_ELEMS(evrc_lspq_quant_codebook1[0]),
+ FF_ARRAY_ELEMS(evrc_lspq_quant_codebook2[0]),
+};
+
+static const uint8_t* const evrc_lspq_codebooks_row_sizes[] = {
+ NULL,
+ evrc_lspq_quant_codebooks_row_sizes,
+ NULL,
+ evrc_lspq_half_codebooks_row_sizes,
+ evrc_lspq_full_codebooks_row_sizes,
+};
+
+static const float pitch_gain_vq[] = { 0, 0.3, 0.55, 0.7, 0.8, 0.9, 1, 1.2 };
+static const float estimation_delay[] = { 55.0, 80.0, 39.0, 71.0, 33.0 }; // 5.2.3.4
+static const uint8_t subframe_sizes[] = { 53, 53, 54 };
+#endif /* AVCODEC_EVRCDATA_H */
diff --git a/libavcodec/evrcdec.c b/libavcodec/evrcdec.c
new file mode 100644
index 0000000..12af5a0
--- /dev/null
+++ b/libavcodec/evrcdec.c
@@ -0,0 +1,920 @@
+/*
+ * Enhanced Variable Rate Codec, Service Option 3 decoder
+ * Copyright (c) 2013 Paul B Mahol
+ *
+ * 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
+ */
+
+/**
+ * @file
+ * Enhanced Variable Rate Codec, Service Option 3 decoder
+ * @author Paul B Mahol
+ */
+
+#include "libavutil/mathematics.h"
+#include "avcodec.h"
+#include "internal.h"
+#include "get_bits.h"
+#include "evrcdata.h"
+#include "acelp_vectors.h"
+#include "lsp.h"
+
+#define MIN_LSP_SEP (0.05 / (2.0 * M_PI))
+#define MIN_DELAY 20
+#define MAX_DELAY 120
+#define NB_SUBFRAMES 3
+#define SUBFRAME_SIZE 54
+#define FILTER_ORDER 10
+#define ACB_SIZE 128
+
+typedef enum {
+ RATE_ERRS = -1,
+ SILENCE,
+ RATE_QUANT,
+ RATE_QUARTER,
+ RATE_HALF,
+ RATE_FULL,
+} evrc_packet_rate;
+
+/**
+ * EVRC-A unpacked data frame
+ */
+typedef struct EVRCAFrame {
+ uint8_t lpc_flag; ///< spectral change indicator
+ uint16_t lsp[4]; ///< index into LSP codebook
+ uint8_t pitch_delay; ///< pitch delay for entire frame
+ uint8_t delay_diff; ///< delay difference for entire frame
+ uint8_t acb_gain[3]; ///< adaptive codebook gain
+ uint16_t fcb_shape[3][4]; ///< fixed codebook shape
+ uint8_t fcb_gain[3]; ///< fixed codebook gain index
+ uint8_t energy_gain; ///< frame energy gain index
+ uint8_t tty; ///< tty baud rate bit
+} EVRCAFrame;
+
+typedef struct EVRCContext {
+ AVFrame avframe;
+ GetBitContext gb;
+ evrc_packet_rate bitrate;
+ evrc_packet_rate last_valid_bitrate;
+ EVRCAFrame frame;
+
+ float lspf[FILTER_ORDER];
+ float prev_lspf[FILTER_ORDER];
+ float synthesis[FILTER_ORDER];
+ float postfilter_fir[FILTER_ORDER];
+ float postfilter_iir[FILTER_ORDER];
+ float postfilter_residual[ACB_SIZE + SUBFRAME_SIZE];
+ float pitch_delay;
+ float prev_pitch_delay;
+ float avg_acb_gain; ///< average adaptive codebook gain
+ float avg_fcb_gain; ///< average fixed codebook gain
+ float pitch[ACB_SIZE + FILTER_ORDER + SUBFRAME_SIZE];
+ float pitch_back[ACB_SIZE];
+ float interpolation_coeffs[136];
+ float energy_vector[NB_SUBFRAMES];
+ float fade_scale;
+ float last;
+
+ uint8_t prev_energy_gain;
+ uint8_t prev_error_flag;
+ uint8_t warned_buf_mismatch_bitrate;
+} EVRCContext;
+
+/**
+ * Frame unpacking for RATE_FULL, RATE_HALF and RATE_QUANT
+ *
+ * @param e the context
+ *
+ * TIA/IS-127 Table 4.21-1
+ */
+static void unpack_frame(EVRCContext *e)
+{
+ EVRCAFrame *frame = &e->frame;
+ GetBitContext *gb = &e->gb;
+
+ switch (e->bitrate) {
+ case RATE_FULL:
+ frame->lpc_flag = get_bits1(gb);
+ frame->lsp[0] = get_bits(gb, 6);
+ frame->lsp[1] = get_bits(gb, 6);
+ frame->lsp[2] = get_bits(gb, 9);
+ frame->lsp[3] = get_bits(gb, 7);
+ frame->pitch_delay = get_bits(gb, 7);
+ frame->delay_diff = get_bits(gb, 5);
+ frame->acb_gain[0] = get_bits(gb, 3);
+ frame->fcb_shape[0][0] = get_bits(gb, 8);
+ frame->fcb_shape[0][1] = get_bits(gb, 8);
+ frame->fcb_shape[0][2] = get_bits(gb, 8);
+ frame->fcb_shape[0][3] = get_bits(gb, 11);
+ frame->fcb_gain[0] = get_bits(gb, 5);
+ frame->acb_gain[1] = get_bits(gb, 3);
+ frame->fcb_shape[1][0] = get_bits(gb, 8);
+ frame->fcb_shape[1][1] = get_bits(gb, 8);
+ frame->fcb_shape[1][2] = get_bits(gb, 8);
+ frame->fcb_shape[1][3] = get_bits(gb, 11);
+ frame->fcb_gain [1] = get_bits(gb, 5);
+ frame->acb_gain [2] = get_bits(gb, 3);
+ frame->fcb_shape[2][0] = get_bits(gb, 8);
+ frame->fcb_shape[2][1] = get_bits(gb, 8);
+ frame->fcb_shape[2][2] = get_bits(gb, 8);
+ frame->fcb_shape[2][3] = get_bits(gb, 11);
+ frame->fcb_gain [2] = get_bits(gb, 5);
+ frame->tty = get_bits1(gb);
+ break;
+ case RATE_HALF:
+ frame->lsp [0] = get_bits(gb, 7);
+ frame->lsp [1] = get_bits(gb, 7);
+ frame->lsp [2] = get_bits(gb, 8);
+ frame->pitch_delay = get_bits(gb, 7);
+ frame->acb_gain [0] = get_bits(gb, 3);
+ frame->fcb_shape[0][0] = get_bits(gb, 10);
+ frame->fcb_gain [0] = get_bits(gb, 4);
+ frame->acb_gain [1] = get_bits(gb, 3);
+ frame->fcb_shape[1][0] = get_bits(gb, 10);
+ frame->fcb_gain [1] = get_bits(gb, 4);
+ frame->acb_gain [2] = get_bits(gb, 3);
+ frame->fcb_shape[2][0] = get_bits(gb, 10);
+ frame->fcb_gain [2] = get_bits(gb, 4);
+ break;
+ case RATE_QUANT:
+ frame->lsp [0] = get_bits(gb, 4);
+ frame->lsp [1] = get_bits(gb, 4);
+ frame->energy_gain = get_bits(gb, 8);
+ break;
+ }
+}
+
+static evrc_packet_rate buf_size2bitrate(const int buf_size)
+{
+ switch (buf_size) {
+ case 23: return RATE_FULL;
+ case 11: return RATE_HALF;
+ case 6: return RATE_QUARTER;
+ case 3: return RATE_QUANT;
+ case 1: return SILENCE;
+ }
+
+ return RATE_ERRS;
+}
+
+/**
+ * Determine the bitrate from the frame size and/or the first byte of the frame.
+ *
+ * @param avctx the AV codec context
+ * @param buf_size length of the buffer
+ * @param buf the bufffer
+ *
+ * @return the bitrate on success,
+ * RATE_ERRS if the bitrate cannot be satisfactorily determined
+ */
+static evrc_packet_rate determine_bitrate(AVCodecContext *avctx,
+ int *buf_size,
+ const uint8_t **buf)
+{
+ evrc_packet_rate bitrate;
+
+ if ((bitrate = buf_size2bitrate(*buf_size)) >= 0) {
+ if (bitrate > **buf) {
+ EVRCContext *e = avctx->priv_data;
+ if (!e->warned_buf_mismatch_bitrate) {
+ av_log(avctx, AV_LOG_WARNING,
+ "Claimed bitrate and buffer size mismatch.\n");
+ e->warned_buf_mismatch_bitrate = 1;
+ }
+ bitrate = **buf;
+ } else if (bitrate < **buf) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Buffer is too small for the claimed bitrate.\n");
+ return RATE_ERRS;
+ }
+ (*buf)++;
+ *buf_size -= 1;
+ } else if ((bitrate = buf_size2bitrate(*buf_size + 1)) >= 0) {
+ av_log(avctx, AV_LOG_DEBUG,
+ "Bitrate byte is missing, guessing the bitrate from packet size.\n");
+ } else
+ return RATE_ERRS;
+
+ return bitrate;
+}
+
+static void warn_insufficient_frame_quality(AVCodecContext *avctx,
+ const char *message)
+{
+ av_log(avctx, AV_LOG_WARNING, "Frame #%d, %s\n",
+ avctx->frame_number, message);
+}
+
+/**
+ * Initialize the speech codec according to the specification.
+ *
+ * TIA/IS-127 5.2
+ */
+static av_cold int evrc_decode_init(AVCodecContext *avctx)
+{
+ EVRCContext *e = avctx->priv_data;
+ int i, n, idx = 0;
+ float denom = 2.0 / (2.0 * 8.0 + 1.0);
+
+ avcodec_get_frame_defaults(&e->avframe);
+ avctx->coded_frame = &e->avframe;
+
+ avctx->channels = 1;
+ avctx->channel_layout = AV_CH_LAYOUT_MONO;
+ avctx->sample_fmt = AV_SAMPLE_FMT_FLT;
+
+ for (i = 0; i < FILTER_ORDER; i++) {
+ e->prev_lspf[i] = (i + 1) * 0.048;
+ e->synthesis[i] = 0.0;
+ }
+
+ for (i = 0; i < ACB_SIZE; i++)
+ e->pitch[i] = e->pitch_back[i] = 0.0;
+
+ e->last_valid_bitrate = RATE_QUANT;
+ e->prev_pitch_delay = 40.0;
+ e->fade_scale = 1.0;
+ e->prev_error_flag = 0;
+ e->avg_acb_gain = e->avg_fcb_gain = 0.0;
+
+ for (i = 0; i < 8; i++) {
+ float tt = ((float)i - 8.0 / 2.0) / 8.0;
+
+ for (n = -8; n <= 8; n++, idx++) {
+ float arg1 = M_PI * 0.9 * (tt - n);
+ float arg2 = M_PI * (tt - n);
+
+ e->interpolation_coeffs[idx] = 0.9;
+ if (arg1)
+ e->interpolation_coeffs[idx] *= (0.54 + 0.46 * cos(arg2 * denom)) *
+ sin(arg1) / arg1;
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * Decode the 10 vector quantized line spectral pair frequencies from the LSP
+ * transmission codes of any bitrate and check for badly received packets.
+ *
+ * @param e the context
+ *
+ * @return 0 on success, -1 if the packet is badly received
+ *
+ * TIA/IS-127 5.2.1, 5.7.1
+ */
+static int decode_lspf(EVRCContext *e)
+{
+ const float **codebooks = evrc_lspq_codebooks[e->bitrate];
+ int i, j, k = 0;
+
+ for (i = 0; i < evrc_lspq_nb_codebooks[e->bitrate]; i++) {
+ int row_size = evrc_lspq_codebooks_row_sizes[e->bitrate][i];
+ const float *codebook = codebooks[i];
+
+ for (j = 0; j < row_size; j++)
+ e->lspf[k++] = codebook[e->frame.lsp[i] * row_size + j];
+ }
+
+ // check for monotonic LSPs
+ for (i = 1; i < FILTER_ORDER; i++)
+ if (e->lspf[i] <= e->lspf[i - 1])
+ return -1;
+
+ // check for minimum separation of LSPs at the splits
+ for (i = 0, k = 0; i < evrc_lspq_nb_codebooks[e->bitrate] - 1; i++) {
+ k += evrc_lspq_codebooks_row_sizes[e->bitrate][i];
+ if (e->lspf[k] - e->lspf[k - 1] <= MIN_LSP_SEP)
+ return -1;
+ }
+
+ return 0;
+}
+
+/*
+ * Interpolation of LSP parameters.
+ *
+ * TIA/IS-127 5.2.3.1, 5.7.3.2
+ */
+static void interpolate_lsp(float *ilsp, const float *lsp,
+ const float *prev, int index)
+{
+ static const float lsp_interpolation_factors[] = { 0.1667, 0.5, 0.8333 };
+ ff_weighted_vector_sumf(ilsp, prev, lsp,
+ 1.0 - lsp_interpolation_factors[index],
+ lsp_interpolation_factors[index], FILTER_ORDER);
+}
+
+/*
+ * Reconstruction of the delay contour.
+ *
+ * TIA/IS-127 5.2.2.3.2
+ */
+static void interpolate_delay(float *dst, float current, float prev, int index)
+{
+ static const float d_interpolation_factors[] = { 0, 0.3313, 0.6625, 1, 1 };
+ dst[0] = (1.0 - d_interpolation_factors[index ]) * prev
+ + d_interpolation_factors[index ] * current;
+ dst[1] = (1.0 - d_interpolation_factors[index + 1]) * prev
+ + d_interpolation_factors[index + 1] * current;
+ dst[2] = (1.0 - d_interpolation_factors[index + 2]) * prev
+ + d_interpolation_factors[index + 2] * current;
+}
+
+/*
+ * Convert the quantized, interpolated line spectral frequencies,
+ * to prediction coefficients.
+ *
+ * TIA/IS-127 5.2.3.2, 4.7.2.2
+ */
+static void decode_predictor_coeffs(const float *ilspf, float *ilpc)
+{
+ double lsp[FILTER_ORDER];
+ float a[FILTER_ORDER / 2 + 1], b[FILTER_ORDER / 2 + 1];
+ float a1[FILTER_ORDER / 2] = { 0 };
+ float a2[FILTER_ORDER / 2] = { 0 };
+ float b1[FILTER_ORDER / 2] = { 0 };
+ float b2[FILTER_ORDER / 2] = { 0 };
+ int i, k;
+
+ ff_acelp_lsf2lspd(lsp, ilspf, FILTER_ORDER);
+
+ for (k = 0; k <= FILTER_ORDER; k++) {
+ a[0] = k < 2 ? 0.25 : 0;
+ b[0] = k < 2 ? k < 1 ? 0.25 : -0.25 : 0;
+
+ for (i = 0; i < FILTER_ORDER / 2; i++) {
+ a[i + 1] = a[i] - 2 * lsp[i * 2 ] * a1[i] + a2[i];
+ b[i + 1] = b[i] - 2 * lsp[i * 2 + 1] * b1[i] + b2[i];
+ a2[i] = a1[i];
+ a1[i] = a[i];
+ b2[i] = b1[i];
+ b1[i] = b[i];
+ }
+
+ if (k)
+ ilpc[k - 1] = 2.0 * (a[FILTER_ORDER / 2] + b[FILTER_ORDER / 2]);
+ }
+}
+
+static void bl_intrp(EVRCContext *e, float *ex, float delay)
+{
+ float *f;
+ int offset, i, coef_idx;
+ int16_t t;
+
+ offset = lrintf(fabs(delay));
+
+ t = (offset - delay + 0.5) * 8.0 + 0.5;
+ if (t == 8) {
+ t = 0;
+ offset--;
+ }
+
+ f = ex - offset - 8;
+
+ coef_idx = t * (2 * 8 + 1);
+
+ ex[0] = 0.0;
+ for (i = 0; i < 2 * 8 + 1; i++)
+ ex[0] += e->interpolation_coeffs[coef_idx + i] * f[i];
+}
+
+/*
+ * Adaptive codebook excitation.
+ *
+ * TIA/IS-127 5.2.2.3.3, 4.12.5.2
+ */
+static void acb_excitation(EVRCContext *e, float *excitation, float gain,
+ const float delay[3], int length)
+{
+ float denom, locdelay, dpr, invl;
+ int i;
+
+ invl = 1.0 / ((float) length);
+ dpr = length;
+
+ /* first at-most extra samples */
+ denom = (delay[1] - delay[0]) * invl;
+ for (i = 0; i < dpr; i++) {
+ locdelay = delay[0] + i * denom;
+ bl_intrp(e, excitation + i, locdelay);
+ }
+
+ denom = (delay[2] - delay[1]) * invl;
+ /* interpolation */
+ for (i = dpr; i < dpr + 10; i++) {
+ locdelay = delay[1] + (i - dpr) * denom;
+ bl_intrp(e, excitation + i, locdelay);
+ }
+
+ for (i = 0; i < length; i++)
+ excitation[i] *= gain;
+}
+
+static void decode_8_pulses_35bits(const uint16_t *fixed_index, float *cod)
+{
+ int i, pos1, pos2, offset;
+
+ offset = (fixed_index[3] >> 9) & 3;
+
+ for (i = 0; i < 3; i++) {
+ pos1 = ((fixed_index[i] & 0x7f) / 11) * 5 + ((i + offset) % 5);
+ pos2 = ((fixed_index[i] & 0x7f) % 11) * 5 + ((i + offset) % 5);
+
+ cod[pos1] = (fixed_index[i] & 0x80) ? -1.0 : 1.0;
+
+ if (pos2 < pos1)
+ cod[pos2] = -cod[pos1];
+ else
+ cod[pos2] += cod[pos1];
+ }
+
+ pos1 = ((fixed_index[3] & 0x7f) / 11) * 5 + ((3 + offset) % 5);
+ pos2 = ((fixed_index[3] & 0x7f) % 11) * 5 + ((4 + offset) % 5);
+
+ cod[pos1] = (fixed_index[3] & 0x100) ? -1.0 : 1.0;
+ cod[pos2] = (fixed_index[3] & 0x80 ) ? -1.0 : 1.0;
+}
+
+static void decode_3_pulses_10bits(uint16_t fixed_index, float *cod)
+{
+ float sign;
+ int pos;
+
+ sign = (fixed_index & 0x200) ? -1.0 : 1.0;
+
+ pos = ((fixed_index & 0x7) * 7) + 4;
+ cod[pos] += sign;
+ pos = (((fixed_index >> 3) & 0x7) * 7) + 2;
+ cod[pos] -= sign;
+ pos = (((fixed_index >> 6) & 0x7) * 7);
+ cod[pos] += sign;
+}
+
+/*
+ * Reconstruction of ACELP fixed codebook excitation for full and half rate.
+ *
+ * TIA/IS-127 5.2.3.7
+ */
+static void fcb_excitation(EVRCContext *e, const uint16_t *codebook,
+ float *excitation, float pitch_gain,
+ int pitch_lag, int subframe_size)
+{
+ int i;
+
+ if (e->bitrate == RATE_FULL)
+ decode_8_pulses_35bits(codebook, excitation);
+ else
+ decode_3_pulses_10bits(*codebook, excitation);
+
+ pitch_gain = av_clipf(pitch_gain, 0.2, 0.9);
+
+ for (i = pitch_lag; i < subframe_size; i++)
+ excitation[i] += pitch_gain * excitation[i - pitch_lag];
+}
+
+/**
+ * Synthesis of the decoder output signal.
+ *
+ * param[in] in input signal
+ * param[in] filter_coeffs LPC coefficients
+ * param[in/out] memory synthesis filter memory
+ * param buffer_length amount of data to process
+ * param[out] samples output samples
+ *
+ * TIA/IS-127 5.2.3.15, 5.7.3.4
+ */
+static void synthesis_filter(const float *in, const float *filter_coeffs,
+ float *memory, int buffer_length, float *samples)
+{
+ int i, j;
+
+ for (i = 0; i < buffer_length; i++) {
+ samples[i] = in[i];
+ for (j = FILTER_ORDER - 1; j > 0; j--) {
+ samples[i] -= filter_coeffs[j] * memory[j];
+ memory[j] = memory[j - 1];
+ }
+ samples[i] -= filter_coeffs[0] * memory[0];
+ memory[0] = samples[i];
+ }
+}
+
+static void bandwidth_expansion(float *coeff, const float *inbuf, float gamma)
+{
+ double fac = gamma;
+ int i;
+
+ for (i = 0; i < FILTER_ORDER; i++) {
+ coeff[i] = inbuf[i] * fac;
+ fac *= gamma;
+ }
+}
+
+static void residual_filter(float *output, const float *input,
+ const float *coef, float *memory, int length)
+{
+ float sum;
+ int i, j;
+
+ for (i = 0; i < length; i++) {
+ sum = input[i];
+
+ for (j = FILTER_ORDER - 1; j > 0; j--) {
+ sum += coef[j] * memory[j];
+ memory[j] = memory[j - 1];
+ }
+ sum += coef[0] * memory[0];
+ memory[0] = input[i];
+ output[i] = sum;
+ }
+}
+
+/*
+ * TIA/IS-127 Table 5.9.1-1.
+ */
+static const struct PfCoeff {
+ float tilt;
+ float ltgain;
+ float p1;
+ float p2;
+} postfilter_coeffs[5] = {
+ { 0.0 , 0.0 , 0.0 , 0.0 },
+ { 0.0 , 0.0 , 0.57, 0.57 },
+ { 0.0 , 0.0 , 0.0 , 0.0 },
+ { 0.35, 0.50, 0.50, 0.75 },
+ { 0.20, 0.50, 0.57, 0.75 },
+};
+
+/*
+ * Adaptive postfilter.
+ *
+ * TIA/IS-127 5.9
+ */
+static void postfilter(EVRCContext *e, float *in, const float *coeff,
+ float *out, int idx, const struct PfCoeff *pfc,
+ int length)
+{
+ float wcoef1[FILTER_ORDER], wcoef2[FILTER_ORDER],
+ scratch[SUBFRAME_SIZE], temp[SUBFRAME_SIZE],
+ mem[SUBFRAME_SIZE];
+ float sum1 = 0.0, sum2 = 0.0, gamma, gain;
+ float tilt = pfc->tilt;
+ int i, n, best;
+
+ bandwidth_expansion(wcoef1, coeff, pfc->p1);
+ bandwidth_expansion(wcoef2, coeff, pfc->p2);
+
+ /* Tilt compensation filter, TIA/IS-127 5.9.1 */
+ for (i = 0; i < length - 1; i++)
+ sum2 += in[i] * in[i + 1];
+ if (sum2 < 0.0)
+ tilt = 0.0;
+
+ for (i = 0; i < length; i++) {
+ scratch[i] = in[i] - tilt * e->last;
+ e->last = in[i];
+ }
+
+ /* Short term residual filter, TIA/IS-127 5.9.2 */
+ residual_filter(&e->postfilter_residual[ACB_SIZE], scratch, wcoef1, e->postfilter_fir, length);
+
+ /* Long term postfilter */
+ best = idx;
+ for (i = FFMIN(MIN_DELAY, idx - 3); i <= FFMAX(MAX_DELAY, idx + 3); i++) {
+ for (n = ACB_SIZE, sum2 = 0; n < ACB_SIZE + length; n++)
+ sum2 += e->postfilter_residual[n] * e->postfilter_residual[n - i];
+ if (sum2 > sum1) {
+ sum1 = sum2;
+ best = i;
+ }
+ }
+
+ for (i = ACB_SIZE, sum1 = 0; i < ACB_SIZE + length; i++)
+ sum1 += e->postfilter_residual[i - best] * e->postfilter_residual[i - best];
+ for (i = ACB_SIZE, sum2 = 0; i < ACB_SIZE + length; i++)
+ sum2 += e->postfilter_residual[i] * e->postfilter_residual[i - best];
+
+ if (sum2 * sum1 == 0 || e->bitrate == RATE_QUANT) {
+ memcpy(temp, e->postfilter_residual + ACB_SIZE, length * sizeof(float));
+ } else {
+ gamma = sum2 / sum1;
+ if (gamma < 0.5)
+ memcpy(temp, e->postfilter_residual + ACB_SIZE, length * sizeof(float));
+ else {
+ gamma = FFMIN(gamma, 1.0);
+
+ for (i = 0; i < length; i++) {
+ temp[i] = e->postfilter_residual[ACB_SIZE + i] + gamma *
+ pfc->ltgain * e->postfilter_residual[ACB_SIZE + i - best];
+ }
+ }
+ }
+
+ memcpy(scratch, temp, length * sizeof(float));
+ memcpy(mem, e->postfilter_iir, FILTER_ORDER * sizeof(float));
+ synthesis_filter(scratch, wcoef2, mem, length, scratch);
+
+ /* Gain computation, TIA/IS-127 5.9.4-2 */
+ for (i = 0, sum1 = 0, sum2 = 0; i < length; i++) {
+ sum1 += in[i] * in[i];
+ sum2 += scratch[i] * scratch[i];
+ }
+ gain = sum2 ? sqrt(sum1 / sum2) : 1.0;
+
+ for (i = 0; i < length; i++)
+ temp[i] *= gain;
+
+ /* Short term postfilter */
+ synthesis_filter(temp, wcoef2, e->postfilter_iir, length, out);
+
+ memcpy(e->postfilter_residual,
+ e->postfilter_residual + length, ACB_SIZE * sizeof(float));
+}
+
+static void frame_erasure(EVRCContext *e, float *samples)
+{
+ float ilspf[FILTER_ORDER], ilpc[FILTER_ORDER], idelay[NB_SUBFRAMES],
+ tmp[SUBFRAME_SIZE + 6], f;
+ int i, j;
+
+ for (i = 0; i < FILTER_ORDER; i++) {
+ if (e->bitrate != RATE_QUANT)
+ e->lspf[i] = e->prev_lspf[i] * 0.875 + 0.125 * (i + 1) * 0.048;
+ else
+ e->lspf[i] = e->prev_lspf[i];
+ }
+
+ if (e->prev_error_flag)
+ e->avg_acb_gain *= 0.75;
+ if (e->bitrate == RATE_FULL)
+ memcpy(e->pitch_back, e->pitch, ACB_SIZE * sizeof(float));
+ if (e->last_valid_bitrate == RATE_QUANT)
+ e->bitrate = RATE_QUANT;
+ else
+ e->bitrate = RATE_FULL;
+
+ if (e->bitrate == RATE_FULL || e->bitrate == RATE_HALF) {
+ e->pitch_delay = e->prev_pitch_delay;
+ } else {
+ float sum = 0;
+
+ idelay[0] = idelay[1] = idelay[2] = MIN_DELAY;
+
+ for (i = 0; i < NB_SUBFRAMES; i++)
+ sum += evrc_energy_quant[e->prev_energy_gain][i];
+ sum /= (float) NB_SUBFRAMES;
+ sum = pow(10, sum);
+ for (i = 0; i < NB_SUBFRAMES; i++)
+ e->energy_vector[i] = sum;
+ }
+
+ if (fabs(e->pitch_delay - e->prev_pitch_delay) > 15)
+ e->prev_pitch_delay = e->pitch_delay;
+
+ for (i = 0; i < NB_SUBFRAMES; i++) {
+ int subframe_size = subframe_sizes[i];
+ int pitch_lag;
+
+ interpolate_lsp(ilspf, e->lspf, e->prev_lspf, i);
+
+ if (e->bitrate != RATE_QUANT) {
+ if (e->avg_acb_gain < 0.3) {
+ idelay[0] = estimation_delay[i];
+ idelay[1] = estimation_delay[i + 1];
+ idelay[2] = estimation_delay[i + 2];
+ } else {
+ interpolate_delay(idelay, e->pitch_delay, e->prev_pitch_delay, i);
+ }
+ }
+
+ pitch_lag = lrintf((idelay[1] + idelay[0]) / 2.0);
+ decode_predictor_coeffs(ilspf, ilpc);
+
+ if (e->bitrate != RATE_QUANT) {
+ acb_excitation(e, e->pitch + ACB_SIZE,
+ e->avg_acb_gain, idelay, subframe_size);
+ for (j = 0; j < subframe_size; j++)
+ e->pitch[ACB_SIZE + j] *= e->fade_scale;
+ e->fade_scale = FFMAX(e->fade_scale - 0.05, 0.0);
+ } else {
+ for (j = 0; j < subframe_size; j++)
+ e->pitch[ACB_SIZE + j] = e->energy_vector[i];
+ }
+
+ memcpy(e->pitch, e->pitch + subframe_size, ACB_SIZE * sizeof(float));
+
+ if (e->bitrate != RATE_QUANT && e->avg_acb_gain < 0.4) {
+ f = 0.1 * e->avg_fcb_gain;
+ for (j = 0; j < subframe_size; j++)
+ e->pitch[ACB_SIZE + j] += f;
+ } else if (e->bitrate == RATE_QUANT) {
+ for (j = 0; j < subframe_size; j++)
+ e->pitch[ACB_SIZE + j] = e->energy_vector[i];
+ }
+
+ synthesis_filter(e->pitch + ACB_SIZE, ilpc,
+ e->synthesis, subframe_size, tmp);
+ postfilter(e, tmp, ilpc, samples, pitch_lag,
+ &postfilter_coeffs[e->bitrate], subframe_size);
+
+ samples += subframe_size;
+ }
+}
+
+static int evrc_decode_frame(AVCodecContext *avctx, void *data,
+ int *got_frame_ptr, AVPacket *avpkt)
+{
+ const uint8_t *buf = avpkt->data;
+ EVRCContext *e = avctx->priv_data;
+ int buf_size = avpkt->size;
+ float ilspf[FILTER_ORDER], ilpc[FILTER_ORDER], idelay[NB_SUBFRAMES];
+ float *samples;
+ int i, j, ret, error_flag = 0;
+
+ e->avframe.nb_samples = 160;
+ if ((ret = ff_get_buffer(avctx, &e->avframe)) < 0)
+ return ret;
+ samples = (float *)e->avframe.data[0];
+
+ if ((e->bitrate = determine_bitrate(avctx, &buf_size, &buf)) == RATE_ERRS) {
+ warn_insufficient_frame_quality(avctx, "bitrate cannot be determined.");
+ goto erasure;
+ }
+ if (e->bitrate <= SILENCE || e->bitrate == RATE_QUARTER)
+ goto erasure;
+ if (e->bitrate == RATE_QUANT && e->last_valid_bitrate == RATE_FULL
+ && !e->prev_error_flag)
+ goto erasure;
+
+ init_get_bits(&e->gb, buf, 8 * buf_size);
+ memset(&e->frame, 0, sizeof(EVRCAFrame));
+
+ unpack_frame(e);
+
+ if (e->bitrate != RATE_QUANT) {
+ uint8_t *p = (uint8_t *) &e->frame;
+ for (i = 0; i < sizeof(EVRCAFrame); i++) {
+ if (p[i])
+ break;
+ }
+ if (i == sizeof(EVRCAFrame))
+ goto erasure;
+ } else if (e->frame.lsp[0] == e->frame.lsp[1] == 0xf &&
+ e->frame.energy_gain == 0xff) {
+ goto erasure;
+ }
+
+ if (decode_lspf(e) < 0)
+ goto erasure;
+
+ if (e->bitrate == RATE_FULL || e->bitrate == RATE_HALF) {
+ /* Pitch delay parameter checking as per TIA/IS-127 5.1.5.1 */
+ if (e->frame.pitch_delay > MAX_DELAY - MIN_DELAY)
+ goto erasure;
+
+ e->pitch_delay = e->frame.pitch_delay + MIN_DELAY;
+
+ /* Delay diff parameter checking as per TIA/IS-127 5.1.5.2 */
+ if (e->frame.delay_diff) {
+ int p = e->pitch_delay - e->frame.delay_diff + 16;
+ if (p < MIN_DELAY || p > MAX_DELAY)
+ goto erasure;
+ }
+
+ /* Delay contour reconstruction as per TIA/IS-127 5.2.2.2 */
+ if (e->frame.delay_diff &&
+ e->bitrate == RATE_FULL && e->prev_error_flag) {
+ float delay;
+
+ memcpy(e->pitch, e->pitch_back, ACB_SIZE * sizeof(float));
+
+ delay = e->prev_pitch_delay;
+ e->prev_pitch_delay = delay - e->frame.delay_diff + 16.0;
+
+ if (fabs(e->pitch_delay - delay) > 15)
+ delay = e->pitch_delay;
+
+ for (i = 0; i < NB_SUBFRAMES; i++) {
+ int subframe_size = subframe_sizes[i];
+
+ interpolate_delay(idelay, delay, e->prev_pitch_delay, i);
+ acb_excitation(e, e->pitch + ACB_SIZE, e->avg_acb_gain, idelay, subframe_size);
+ memcpy(e->pitch, e->pitch + subframe_size, ACB_SIZE * sizeof(float));
+ }
+ }
+
+ /* Smoothing of the decoded delay as per TIA/IS-127 5.2.2.5 */
+ if (fabs(e->pitch_delay - e->prev_pitch_delay) > 15)
+ e->prev_pitch_delay = e->pitch_delay;
+
+ e->avg_acb_gain = e->avg_fcb_gain = 0.0;
+ } else {
+ idelay[0] = idelay[1] = idelay[2] = MIN_DELAY;
+
+ /* Decode frame energy vectors as per TIA/IS-127 5.7.2 */
+ for (i = 0; i < NB_SUBFRAMES; i++)
+ e->energy_vector[i] = pow(10, evrc_energy_quant[e->frame.energy_gain][i]);
+ e->prev_energy_gain = e->frame.energy_gain;
+ }
+
+ for (i = 0; i < NB_SUBFRAMES; i++) {
+ float tmp[SUBFRAME_SIZE + 6] = { 0 };
+ int subframe_size = subframe_sizes[i];
+ int pitch_lag;
+
+ interpolate_lsp(ilspf, e->lspf, e->prev_lspf, i);
+
+ if (e->bitrate != RATE_QUANT)
+ interpolate_delay(idelay, e->pitch_delay, e->prev_pitch_delay, i);
+
+ pitch_lag = lrintf((idelay[1] + idelay[0]) / 2.0);
+ decode_predictor_coeffs(ilspf, ilpc);
+
+ /* Bandwidth expansion as per TIA/IS-127 5.2.3.3 */
+ if (e->frame.lpc_flag && e->prev_error_flag)
+ bandwidth_expansion(ilpc, ilpc, 0.75);
+
+ if (e->bitrate != RATE_QUANT) {
+ float acb_sum, f;
+
+ f = exp((e->bitrate == RATE_HALF ? 0.5 : 0.25)
+ * (e->frame.fcb_gain[i] + 1));
+ acb_sum = pitch_gain_vq[e->frame.acb_gain[i]];
+ e->avg_acb_gain += acb_sum / NB_SUBFRAMES;
+ e->avg_fcb_gain += f / NB_SUBFRAMES;
+
+ acb_excitation(e, e->pitch + ACB_SIZE,
+ acb_sum, idelay, subframe_size);
+ fcb_excitation(e, e->frame.fcb_shape[i], tmp,
+ acb_sum, pitch_lag, subframe_size);
+
+ /* Total excitation generation as per TIA/IS-127 5.2.3.9 */
+ for (j = 0; j < subframe_size; j++)
+ e->pitch[ACB_SIZE + j] += f * tmp[j];
+ e->fade_scale = FFMIN(e->fade_scale + 0.2, 1.0);
+ } else {
+ for (j = 0; j < subframe_size; j++)
+ e->pitch[ACB_SIZE + j] = e->energy_vector[i];
+ }
+
+ memcpy(e->pitch, e->pitch + subframe_size, ACB_SIZE * sizeof(float));
+
+ synthesis_filter(e->pitch + ACB_SIZE, ilpc,
+ e->synthesis, subframe_size, tmp);
+ postfilter(e, tmp, ilpc, samples, pitch_lag,
+ &postfilter_coeffs[e->bitrate], subframe_size);
+
+ samples += subframe_size;
+ }
+
+ if (error_flag) {
+erasure:
+ error_flag = 1;
+ av_log(avctx, AV_LOG_WARNING, "frame erasure\n");
+ frame_erasure(e, samples);
+ }
+
+ memcpy(e->prev_lspf, e->lspf, sizeof(e->prev_lspf));
+ e->prev_error_flag = error_flag;
+ e->last_valid_bitrate = e->bitrate;
+
+ if (e->bitrate != RATE_QUANT)
+ e->prev_pitch_delay = e->pitch_delay;
+
+ samples = (float *)e->avframe.data[0];
+ for (i = 0; i < 160; i++)
+ samples[i] /= 32768;
+
+ *got_frame_ptr = 1;
+ *(AVFrame *)data = e->avframe;
+
+ return avpkt->size;
+}
+
+AVCodec ff_evrc_decoder = {
+ .name = "evrc",
+ .type = AVMEDIA_TYPE_AUDIO,
+ .id = AV_CODEC_ID_EVRC,
+ .init = evrc_decode_init,
+ .decode = evrc_decode_frame,
+ .capabilities = CODEC_CAP_DR1,
+ .priv_data_size = sizeof(EVRCContext),
+ .long_name = NULL_IF_CONFIG_SMALL("EVRC (Enhanced Variable Rate Codec)"),
+};
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 12265a9..bbf8f52 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -2339,6 +2339,7 @@ int av_get_audio_frame_duration(AVCodecContext *avctx, int frame_bytes)
case AV_CODEC_ID_ADPCM_IMA_QT: return 64;
case AV_CODEC_ID_ADPCM_EA_XAS: return 128;
case AV_CODEC_ID_AMR_NB:
+ case AV_CODEC_ID_EVRC:
case AV_CODEC_ID_GSM:
case AV_CODEC_ID_QCELP:
case AV_CODEC_ID_RA_288: return 160;
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 9c1e228..d22ff49 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -29,7 +29,7 @@
#include "libavutil/avutil.h"
#define LIBAVCODEC_VERSION_MAJOR 54
-#define LIBAVCODEC_VERSION_MINOR 89
+#define LIBAVCODEC_VERSION_MINOR 90
#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
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