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authorAndreas Eversberg <jolly@eversberg.eu>2020-08-29 07:22:15 +0200
committerAndreas Eversberg <jolly@eversberg.eu>2020-12-29 11:11:41 +0100
commitd0d14e2acfce32af69aa7692404e88931ecbf4b0 (patch)
tree296e8f083acc65710663c17e90771fb0e54f199f
parentad8a7be345dbca5e3102b4776c65c12435c93545 (diff)
Add G.711 codec (alaw / ulaw conversion)
-rw-r--r--.gitignore1
-rw-r--r--configure.ac1
-rw-r--r--src/Makefile.am3
-rw-r--r--src/amps/Makefile.am1
-rw-r--r--src/anetz/Makefile.am1
-rw-r--r--src/bnetz/Makefile.am1
-rw-r--r--src/cnetz/Makefile.am1
-rw-r--r--src/eurosignal/Makefile.am1
-rw-r--r--src/fuvst/Makefile.am2
-rw-r--r--src/imts/Makefile.am1
-rw-r--r--src/jolly/Makefile.am1
-rw-r--r--src/jtacs/Makefile.am1
-rw-r--r--src/libg711/Makefile.am7
-rw-r--r--src/libg711/g711.c537
-rw-r--r--src/libg711/g711.h17
-rw-r--r--src/nmt/Makefile.am1
-rw-r--r--src/r2000/Makefile.am1
-rw-r--r--src/tacs/Makefile.am1
-rw-r--r--src/test/Makefile.am2
-rw-r--r--src/zeitansage/Makefile.am1
20 files changed, 581 insertions, 1 deletions
diff --git a/.gitignore b/.gitignore
index d1d4596..dc4a289 100644
--- a/.gitignore
+++ b/.gitignore
@@ -51,6 +51,7 @@ src/libserial/libserial.a
src/libv27/libv27.a
src/libmtp/libmtp.a
src/libosmocc/libosmocc.a
+src/libg711/libg711.a
src/anetz/libgermanton.a
src/anetz/anetz
src/bnetz/bnetz
diff --git a/configure.ac b/configure.ac
index 188a548..9f99f95 100644
--- a/configure.ac
+++ b/configure.ac
@@ -88,6 +88,7 @@ AC_OUTPUT(
src/libv27/Makefile
src/libmtp/Makefile
src/libosmocc/Makefile
+ src/libg711/Makefile
src/anetz/Makefile
src/bnetz/Makefile
src/cnetz/Makefile
diff --git a/src/Makefile.am b/src/Makefile.am
index b342db1..506328b 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -29,7 +29,8 @@ SUBDIRS = \
libserial \
libv27 \
libmtp \
- libosmocc
+ libosmocc \
+ libg711
if HAVE_ALSA
SUBDIRS += \
diff --git a/src/amps/Makefile.am b/src/amps/Makefile.am
index a1156d0..00c9ed6 100644
--- a/src/amps/Makefile.am
+++ b/src/amps/Makefile.am
@@ -44,6 +44,7 @@ amps_LDADD = \
$(top_builddir)/src/libwave/libwave.a \
$(top_builddir)/src/libmncc/libmncc.a \
$(top_builddir)/src/libsample/libsample.a \
+ $(top_builddir)/src/libg711/libg711.a \
-lm
if HAVE_ALSA
diff --git a/src/anetz/Makefile.am b/src/anetz/Makefile.am
index 58f5f0a..8e81867 100644
--- a/src/anetz/Makefile.am
+++ b/src/anetz/Makefile.am
@@ -33,6 +33,7 @@ anetz_LDADD = \
$(top_builddir)/src/libwave/libwave.a \
$(top_builddir)/src/libmncc/libmncc.a \
$(top_builddir)/src/libsample/libsample.a \
+ $(top_builddir)/src/libg711/libg711.a \
-lm
if HAVE_ALSA
diff --git a/src/bnetz/Makefile.am b/src/bnetz/Makefile.am
index 17e8044..7ea84ca 100644
--- a/src/bnetz/Makefile.am
+++ b/src/bnetz/Makefile.am
@@ -30,6 +30,7 @@ bnetz_LDADD = \
$(top_builddir)/src/libwave/libwave.a \
$(top_builddir)/src/libmncc/libmncc.a \
$(top_builddir)/src/libsample/libsample.a \
+ $(top_builddir)/src/libg711/libg711.a \
-lm
bnetz_dialer_SOURCES = \
diff --git a/src/cnetz/Makefile.am b/src/cnetz/Makefile.am
index aeda33c..942aa65 100644
--- a/src/cnetz/Makefile.am
+++ b/src/cnetz/Makefile.am
@@ -38,6 +38,7 @@ cnetz_LDADD = \
$(top_builddir)/src/libwave/libwave.a \
$(top_builddir)/src/libmncc/libmncc.a \
$(top_builddir)/src/libsample/libsample.a \
+ $(top_builddir)/src/libg711/libg711.a \
-lm
if HAVE_ALSA
diff --git a/src/eurosignal/Makefile.am b/src/eurosignal/Makefile.am
index acfc92b..6be3f6a 100644
--- a/src/eurosignal/Makefile.am
+++ b/src/eurosignal/Makefile.am
@@ -29,6 +29,7 @@ eurosignal_LDADD = \
$(top_builddir)/src/libwave/libwave.a \
$(top_builddir)/src/libmncc/libmncc.a \
$(top_builddir)/src/libsample/libsample.a \
+ $(top_builddir)/src/libg711/libg711.a \
-lm
if HAVE_ALSA
diff --git a/src/fuvst/Makefile.am b/src/fuvst/Makefile.am
index 486e3b2..4152212 100644
--- a/src/fuvst/Makefile.am
+++ b/src/fuvst/Makefile.am
@@ -32,6 +32,7 @@ fuvst_LDADD = \
$(top_builddir)/src/libmncc/libmncc.a \
$(top_builddir)/src/libsample/libsample.a \
$(top_builddir)/src/libsound/libsound.a \
+ $(top_builddir)/src/libg711/libg711.a \
$(ALSA_LIBS) \
-lm
@@ -57,6 +58,7 @@ fuvst_sniffer_LDADD = \
$(top_builddir)/src/libmncc/libmncc.a \
$(top_builddir)/src/libsample/libsample.a \
$(top_builddir)/src/libsound/libsound.a \
+ $(top_builddir)/src/libg711/libg711.a \
$(ALSA_LIBS) \
-lm
diff --git a/src/imts/Makefile.am b/src/imts/Makefile.am
index 4b6d622..6a0c4d5 100644
--- a/src/imts/Makefile.am
+++ b/src/imts/Makefile.am
@@ -26,6 +26,7 @@ imts_LDADD = \
$(top_builddir)/src/libwave/libwave.a \
$(top_builddir)/src/libmncc/libmncc.a \
$(top_builddir)/src/libsample/libsample.a \
+ $(top_builddir)/src/libg711/libg711.a \
-lm
imts_dialer_SOURCES = \
diff --git a/src/jolly/Makefile.am b/src/jolly/Makefile.am
index a225935..a135312 100644
--- a/src/jolly/Makefile.am
+++ b/src/jolly/Makefile.am
@@ -27,6 +27,7 @@ jollycom_LDADD = \
$(top_builddir)/src/libmncc/libmncc.a \
$(top_builddir)/src/libsample/libsample.a \
$(top_builddir)/src/libfm/libfm.a \
+ $(top_builddir)/src/libg711/libg711.a \
-lm
if HAVE_ALSA
diff --git a/src/jtacs/Makefile.am b/src/jtacs/Makefile.am
index 23f0e76..760f830 100644
--- a/src/jtacs/Makefile.am
+++ b/src/jtacs/Makefile.am
@@ -27,6 +27,7 @@ jtacs_LDADD = \
$(top_builddir)/src/libwave/libwave.a \
$(top_builddir)/src/libmncc/libmncc.a \
$(top_builddir)/src/libsample/libsample.a \
+ $(top_builddir)/src/libg711/libg711.a \
-lm
if HAVE_ALSA
diff --git a/src/libg711/Makefile.am b/src/libg711/Makefile.am
new file mode 100644
index 0000000..15223bf
--- /dev/null
+++ b/src/libg711/Makefile.am
@@ -0,0 +1,7 @@
+AM_CPPFLAGS = -Wall -Wextra -g $(all_includes)
+
+noinst_LIBRARIES = libg711.a
+
+libg711_a_SOURCES = \
+ g711.c
+
diff --git a/src/libg711/g711.c b/src/libg711/g711.c
new file mode 100644
index 0000000..cd195f9
--- /dev/null
+++ b/src/libg711/g711.c
@@ -0,0 +1,537 @@
+/*****************************************************************************\
+** **
+** PBX4Linux **
+** **
+**---------------------------------------------------------------------------**
+** Copyright: Andreas Eversberg (GPL) **
+** **
+** audio conversions for alaw and ulaw **
+** **
+\*****************************************************************************/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+
+/* ulaw -> signed 16-bit */
+static int16_t g711_ulaw_flipped_to_linear[256] =
+{
+ 0x8284, 0x8684, 0x8a84, 0x8e84, 0x9284, 0x9684, 0x9a84, 0x9e84,
+ 0xa284, 0xa684, 0xaa84, 0xae84, 0xb284, 0xb684, 0xba84, 0xbe84,
+ 0xc184, 0xc384, 0xc584, 0xc784, 0xc984, 0xcb84, 0xcd84, 0xcf84,
+ 0xd184, 0xd384, 0xd584, 0xd784, 0xd984, 0xdb84, 0xdd84, 0xdf84,
+ 0xe104, 0xe204, 0xe304, 0xe404, 0xe504, 0xe604, 0xe704, 0xe804,
+ 0xe904, 0xea04, 0xeb04, 0xec04, 0xed04, 0xee04, 0xef04, 0xf004,
+ 0xf0c4, 0xf144, 0xf1c4, 0xf244, 0xf2c4, 0xf344, 0xf3c4, 0xf444,
+ 0xf4c4, 0xf544, 0xf5c4, 0xf644, 0xf6c4, 0xf744, 0xf7c4, 0xf844,
+ 0xf8a4, 0xf8e4, 0xf924, 0xf964, 0xf9a4, 0xf9e4, 0xfa24, 0xfa64,
+ 0xfaa4, 0xfae4, 0xfb24, 0xfb64, 0xfba4, 0xfbe4, 0xfc24, 0xfc64,
+ 0xfc94, 0xfcb4, 0xfcd4, 0xfcf4, 0xfd14, 0xfd34, 0xfd54, 0xfd74,
+ 0xfd94, 0xfdb4, 0xfdd4, 0xfdf4, 0xfe14, 0xfe34, 0xfe54, 0xfe74,
+ 0xfe8c, 0xfe9c, 0xfeac, 0xfebc, 0xfecc, 0xfedc, 0xfeec, 0xfefc,
+ 0xff0c, 0xff1c, 0xff2c, 0xff3c, 0xff4c, 0xff5c, 0xff6c, 0xff7c,
+ 0xff88, 0xff90, 0xff98, 0xffa0, 0xffa8, 0xffb0, 0xffb8, 0xffc0,
+ 0xffc8, 0xffd0, 0xffd8, 0xffe0, 0xffe8, 0xfff0, 0xfff8, 0xffff,
+ 0x7d7c, 0x797c, 0x757c, 0x717c, 0x6d7c, 0x697c, 0x657c, 0x617c,
+ 0x5d7c, 0x597c, 0x557c, 0x517c, 0x4d7c, 0x497c, 0x457c, 0x417c,
+ 0x3e7c, 0x3c7c, 0x3a7c, 0x387c, 0x367c, 0x347c, 0x327c, 0x307c,
+ 0x2e7c, 0x2c7c, 0x2a7c, 0x287c, 0x267c, 0x247c, 0x227c, 0x207c,
+ 0x1efc, 0x1dfc, 0x1cfc, 0x1bfc, 0x1afc, 0x19fc, 0x18fc, 0x17fc,
+ 0x16fc, 0x15fc, 0x14fc, 0x13fc, 0x12fc, 0x11fc, 0x10fc, 0x0ffc,
+ 0x0f3c, 0x0ebc, 0x0e3c, 0x0dbc, 0x0d3c, 0x0cbc, 0x0c3c, 0x0bbc,
+ 0x0b3c, 0x0abc, 0x0a3c, 0x09bc, 0x093c, 0x08bc, 0x083c, 0x07bc,
+ 0x075c, 0x071c, 0x06dc, 0x069c, 0x065c, 0x061c, 0x05dc, 0x059c,
+ 0x055c, 0x051c, 0x04dc, 0x049c, 0x045c, 0x041c, 0x03dc, 0x039c,
+ 0x036c, 0x034c, 0x032c, 0x030c, 0x02ec, 0x02cc, 0x02ac, 0x028c,
+ 0x026c, 0x024c, 0x022c, 0x020c, 0x01ec, 0x01cc, 0x01ac, 0x018c,
+ 0x0174, 0x0164, 0x0154, 0x0144, 0x0134, 0x0124, 0x0114, 0x0104,
+ 0x00f4, 0x00e4, 0x00d4, 0x00c4, 0x00b4, 0x00a4, 0x0094, 0x0084,
+ 0x0078, 0x0070, 0x0068, 0x0060, 0x0058, 0x0050, 0x0048, 0x0040,
+ 0x0038, 0x0030, 0x0028, 0x0020, 0x0018, 0x0010, 0x0008, 0x0000
+};
+
+/* alaw -> signed 16-bit */
+static int16_t g711_alaw_flipped_to_linear[256] =
+{
+ 0x13fc, 0xec04, 0x0144, 0xfebc, 0x517c, 0xae84, 0x051c, 0xfae4,
+ 0x0a3c, 0xf5c4, 0x0048, 0xffb8, 0x287c, 0xd784, 0x028c, 0xfd74,
+ 0x1bfc, 0xe404, 0x01cc, 0xfe34, 0x717c, 0x8e84, 0x071c, 0xf8e4,
+ 0x0e3c, 0xf1c4, 0x00c4, 0xff3c, 0x387c, 0xc784, 0x039c, 0xfc64,
+ 0x0ffc, 0xf004, 0x0104, 0xfefc, 0x417c, 0xbe84, 0x041c, 0xfbe4,
+ 0x083c, 0xf7c4, 0x0008, 0xfff8, 0x207c, 0xdf84, 0x020c, 0xfdf4,
+ 0x17fc, 0xe804, 0x018c, 0xfe74, 0x617c, 0x9e84, 0x061c, 0xf9e4,
+ 0x0c3c, 0xf3c4, 0x0084, 0xff7c, 0x307c, 0xcf84, 0x030c, 0xfcf4,
+ 0x15fc, 0xea04, 0x0164, 0xfe9c, 0x597c, 0xa684, 0x059c, 0xfa64,
+ 0x0b3c, 0xf4c4, 0x0068, 0xff98, 0x2c7c, 0xd384, 0x02cc, 0xfd34,
+ 0x1dfc, 0xe204, 0x01ec, 0xfe14, 0x797c, 0x8684, 0x07bc, 0xf844,
+ 0x0f3c, 0xf0c4, 0x00e4, 0xff1c, 0x3c7c, 0xc384, 0x03dc, 0xfc24,
+ 0x11fc, 0xee04, 0x0124, 0xfedc, 0x497c, 0xb684, 0x049c, 0xfb64,
+ 0x093c, 0xf6c4, 0x0028, 0xffd8, 0x247c, 0xdb84, 0x024c, 0xfdb4,
+ 0x19fc, 0xe604, 0x01ac, 0xfe54, 0x697c, 0x9684, 0x069c, 0xf964,
+ 0x0d3c, 0xf2c4, 0x00a4, 0xff5c, 0x347c, 0xcb84, 0x034c, 0xfcb4,
+ 0x12fc, 0xed04, 0x0134, 0xfecc, 0x4d7c, 0xb284, 0x04dc, 0xfb24,
+ 0x09bc, 0xf644, 0x0038, 0xffc8, 0x267c, 0xd984, 0x026c, 0xfd94,
+ 0x1afc, 0xe504, 0x01ac, 0xfe54, 0x6d7c, 0x9284, 0x06dc, 0xf924,
+ 0x0dbc, 0xf244, 0x00b4, 0xff4c, 0x367c, 0xc984, 0x036c, 0xfc94,
+ 0x0f3c, 0xf0c4, 0x00f4, 0xff0c, 0x3e7c, 0xc184, 0x03dc, 0xfc24,
+ 0x07bc, 0xf844, 0x0008, 0xfff8, 0x1efc, 0xe104, 0x01ec, 0xfe14,
+ 0x16fc, 0xe904, 0x0174, 0xfe8c, 0x5d7c, 0xa284, 0x05dc, 0xfa24,
+ 0x0bbc, 0xf444, 0x0078, 0xff88, 0x2e7c, 0xd184, 0x02ec, 0xfd14,
+ 0x14fc, 0xeb04, 0x0154, 0xfeac, 0x557c, 0xaa84, 0x055c, 0xfaa4,
+ 0x0abc, 0xf544, 0x0058, 0xffa8, 0x2a7c, 0xd584, 0x02ac, 0xfd54,
+ 0x1cfc, 0xe304, 0x01cc, 0xfe34, 0x757c, 0x8a84, 0x075c, 0xf8a4,
+ 0x0ebc, 0xf144, 0x00d4, 0xff2c, 0x3a7c, 0xc584, 0x039c, 0xfc64,
+ 0x10fc, 0xef04, 0x0114, 0xfeec, 0x457c, 0xba84, 0x045c, 0xfba4,
+ 0x08bc, 0xf744, 0x0018, 0xffe8, 0x227c, 0xdd84, 0x022c, 0xfdd4,
+ 0x18fc, 0xe704, 0x018c, 0xfe74, 0x657c, 0x9a84, 0x065c, 0xf9a4,
+ 0x0cbc, 0xf344, 0x0094, 0xff6c, 0x327c, 0xcd84, 0x032c, 0xfcd4
+};
+
+/* Xlaw -> signed 16-bit */
+static int16_t g711_alaw_to_linear[256];
+static int16_t g711_ulaw_to_linear[256];
+
+/* signed 16-bit -> Xlaw */
+static uint8_t g711_linear_to_alaw_flipped[65536];
+static uint8_t g711_linear_to_ulaw_flipped[65536];
+static uint8_t g711_linear_to_alaw[65536];
+static uint8_t g711_linear_to_ulaw[65536];
+
+/* transcode */
+static uint8_t g711_alaw_to_ulaw[256];
+static uint8_t g711_ulaw_to_alaw[256];
+static uint8_t g711_alaw_flipped_to_ulaw[256];
+static uint8_t g711_ulaw_flipped_to_alaw[256];
+static uint8_t g711_alaw_to_ulaw_flipped[256];
+static uint8_t g711_ulaw_to_alaw_flipped[256];
+
+/* table is used to generate linear_to_alaw */
+static int16_t g711_alaw_relations[] =
+{
+ 0x8684, 0x55, 0x8a84, 0xd5, 0x8e84, 0x15, 0x9284, 0x95,
+ 0x9684, 0x75, 0x9a84, 0xf5, 0x9e84, 0x35, 0xa284, 0xb5,
+ 0xa684, 0x45, 0xaa84, 0xc5, 0xae84, 0x05, 0xb284, 0x85,
+ 0xb684, 0x65, 0xba84, 0xe5, 0xbe84, 0x25, 0xc184, 0xa5,
+ 0xc384, 0x5d, 0xc584, 0xdd, 0xc784, 0x1d, 0xc984, 0x9d,
+ 0xcb84, 0x7d, 0xcd84, 0xfd, 0xcf84, 0x3d, 0xd184, 0xbd,
+ 0xd384, 0x4d, 0xd584, 0xcd, 0xd784, 0x0d, 0xd984, 0x8d,
+ 0xdb84, 0x6d, 0xdd84, 0xed, 0xdf84, 0x2d, 0xe104, 0xad,
+ 0xe204, 0x51, 0xe304, 0xd1, 0xe404, 0x11, 0xe504, 0x91,
+ 0xe604, 0x71, 0xe704, 0xf1, 0xe804, 0x31, 0xe904, 0xb1,
+ 0xea04, 0x41, 0xeb04, 0xc1, 0xec04, 0x01, 0xed04, 0x81,
+ 0xee04, 0x61, 0xef04, 0xe1, 0xf004, 0x21, 0xf0c4, 0x59,
+ 0xf0c4, 0xa1, 0xf144, 0xd9, 0xf1c4, 0x19, 0xf244, 0x99,
+ 0xf2c4, 0x79, 0xf344, 0xf9, 0xf3c4, 0x39, 0xf444, 0xb9,
+ 0xf4c4, 0x49, 0xf544, 0xc9, 0xf5c4, 0x09, 0xf644, 0x89,
+ 0xf6c4, 0x69, 0xf744, 0xe9, 0xf7c4, 0x29, 0xf844, 0x57,
+ 0xf844, 0xa9, 0xf8a4, 0xd7, 0xf8e4, 0x17, 0xf924, 0x97,
+ 0xf964, 0x77, 0xf9a4, 0xf7, 0xf9e4, 0x37, 0xfa24, 0xb7,
+ 0xfa64, 0x47, 0xfaa4, 0xc7, 0xfae4, 0x07, 0xfb24, 0x87,
+ 0xfb64, 0x67, 0xfba4, 0xe7, 0xfbe4, 0x27, 0xfc24, 0x5f,
+ 0xfc24, 0xa7, 0xfc64, 0x1f, 0xfc64, 0xdf, 0xfc94, 0x9f,
+ 0xfcb4, 0x7f, 0xfcd4, 0xff, 0xfcf4, 0x3f, 0xfd14, 0xbf,
+ 0xfd34, 0x4f, 0xfd54, 0xcf, 0xfd74, 0x0f, 0xfd94, 0x8f,
+ 0xfdb4, 0x6f, 0xfdd4, 0xef, 0xfdf4, 0x2f, 0xfe14, 0x53,
+ 0xfe14, 0xaf, 0xfe34, 0x13, 0xfe34, 0xd3, 0xfe54, 0x73,
+ 0xfe54, 0x93, 0xfe74, 0x33, 0xfe74, 0xf3, 0xfe8c, 0xb3,
+ 0xfe9c, 0x43, 0xfeac, 0xc3, 0xfebc, 0x03, 0xfecc, 0x83,
+ 0xfedc, 0x63, 0xfeec, 0xe3, 0xfefc, 0x23, 0xff0c, 0xa3,
+ 0xff1c, 0x5b, 0xff2c, 0xdb, 0xff3c, 0x1b, 0xff4c, 0x9b,
+ 0xff5c, 0x7b, 0xff6c, 0xfb, 0xff7c, 0x3b, 0xff88, 0xbb,
+ 0xff98, 0x4b, 0xffa8, 0xcb, 0xffb8, 0x0b, 0xffc8, 0x8b,
+ 0xffd8, 0x6b, 0xffe8, 0xeb, 0xfff8, 0x2b, 0xfff8, 0xab,
+ 0x0008, 0x2a, 0x0008, 0xaa, 0x0018, 0xea, 0x0028, 0x6a,
+ 0x0038, 0x8a, 0x0048, 0x0a, 0x0058, 0xca, 0x0068, 0x4a,
+ 0x0078, 0xba, 0x0084, 0x3a, 0x0094, 0xfa, 0x00a4, 0x7a,
+ 0x00b4, 0x9a, 0x00c4, 0x1a, 0x00d4, 0xda, 0x00e4, 0x5a,
+ 0x00f4, 0xa2, 0x0104, 0x22, 0x0114, 0xe2, 0x0124, 0x62,
+ 0x0134, 0x82, 0x0144, 0x02, 0x0154, 0xc2, 0x0164, 0x42,
+ 0x0174, 0xb2, 0x018c, 0x32, 0x018c, 0xf2, 0x01ac, 0x72,
+ 0x01ac, 0x92, 0x01cc, 0x12, 0x01cc, 0xd2, 0x01ec, 0x52,
+ 0x01ec, 0xae, 0x020c, 0x2e, 0x022c, 0xee, 0x024c, 0x6e,
+ 0x026c, 0x8e, 0x028c, 0x0e, 0x02ac, 0xce, 0x02cc, 0x4e,
+ 0x02ec, 0xbe, 0x030c, 0x3e, 0x032c, 0xfe, 0x034c, 0x7e,
+ 0x036c, 0x9e, 0x039c, 0x1e, 0x039c, 0xde, 0x03dc, 0x5e,
+ 0x03dc, 0xa6, 0x041c, 0x26, 0x045c, 0xe6, 0x049c, 0x66,
+ 0x04dc, 0x86, 0x051c, 0x06, 0x055c, 0xc6, 0x059c, 0x46,
+ 0x05dc, 0xb6, 0x061c, 0x36, 0x065c, 0xf6, 0x069c, 0x76,
+ 0x06dc, 0x96, 0x071c, 0x16, 0x075c, 0xd6, 0x07bc, 0x56,
+ 0x07bc, 0xa8, 0x083c, 0x28, 0x08bc, 0xe8, 0x093c, 0x68,
+ 0x09bc, 0x88, 0x0a3c, 0x08, 0x0abc, 0xc8, 0x0b3c, 0x48,
+ 0x0bbc, 0xb8, 0x0c3c, 0x38, 0x0cbc, 0xf8, 0x0d3c, 0x78,
+ 0x0dbc, 0x98, 0x0e3c, 0x18, 0x0ebc, 0xd8, 0x0f3c, 0x58,
+ 0x0f3c, 0xa0, 0x0ffc, 0x20, 0x10fc, 0xe0, 0x11fc, 0x60,
+ 0x12fc, 0x80, 0x13fc, 0x00, 0x14fc, 0xc0, 0x15fc, 0x40,
+ 0x16fc, 0xb0, 0x17fc, 0x30, 0x18fc, 0xf0, 0x19fc, 0x70,
+ 0x1afc, 0x90, 0x1bfc, 0x10, 0x1cfc, 0xd0, 0x1dfc, 0x50,
+ 0x1efc, 0xac, 0x207c, 0x2c, 0x227c, 0xec, 0x247c, 0x6c,
+ 0x267c, 0x8c, 0x287c, 0x0c, 0x2a7c, 0xcc, 0x2c7c, 0x4c,
+ 0x2e7c, 0xbc, 0x307c, 0x3c, 0x327c, 0xfc, 0x347c, 0x7c,
+ 0x367c, 0x9c, 0x387c, 0x1c, 0x3a7c, 0xdc, 0x3c7c, 0x5c,
+ 0x3e7c, 0xa4, 0x417c, 0x24, 0x457c, 0xe4, 0x497c, 0x64,
+ 0x4d7c, 0x84, 0x517c, 0x04, 0x557c, 0xc4, 0x597c, 0x44,
+ 0x5d7c, 0xb4, 0x617c, 0x34, 0x657c, 0xf4, 0x697c, 0x74,
+ 0x6d7c, 0x94, 0x717c, 0x14, 0x757c, 0xd4, 0x797c, 0x54
+};
+
+uint8_t g711_flip[256];
+
+static int g711_initialized = 0;
+
+/* generate tables
+ */
+void g711_init(void)
+{
+ int i, j;
+
+ /* flip tables */
+ for (i = 0; i < 256; i++) {
+ g711_flip[i]
+ = ((i & 1) << 7)
+ + ((i & 2) << 5)
+ + ((i & 4) << 3)
+ + ((i & 8) << 1)
+ + ((i & 16) >> 1)
+ + ((i & 32) >> 3)
+ + ((i & 64) >> 5)
+ + ((i & 128) >> 7);
+ g711_alaw_to_linear[i] = g711_alaw_flipped_to_linear[g711_flip[i]];
+ g711_ulaw_to_linear[i] = g711_ulaw_flipped_to_linear[g711_flip[i]];
+ }
+
+ /* linear to alaw tables */
+ i = j = 0;
+ while(i < 65536) {
+ if (i - 32768 > g711_alaw_relations[j << 1])
+ j++;
+ if (j > 255)
+ j = 255;
+ g711_linear_to_alaw_flipped[(i - 32768) & 0xffff] = g711_alaw_relations[(j << 1) | 1];
+ g711_linear_to_alaw[(i - 32768) & 0xffff] = g711_flip[g711_alaw_relations[(j << 1) | 1]];
+ i++;
+ }
+
+ /* linear to ulaw tables */
+ i = j = 0;
+ while(i < 32768) {
+ if (i - 32768 > g711_ulaw_flipped_to_linear[j])
+ j++;
+ g711_linear_to_ulaw_flipped[(i - 32768) & 0xffff] = j;
+ g711_linear_to_ulaw[(i - 32768) & 0xffff] = g711_flip[j];
+ i++;
+ }
+ j = 255;
+ while(i < 65536) {
+ if (i - 32768 > g711_alaw_flipped_to_linear[j])
+ j--;
+ g711_linear_to_ulaw_flipped[(i - 32768) & 0xffff] = j;
+ g711_linear_to_ulaw[(i - 32768) & 0xffff] = g711_flip[j];
+ i++;
+ }
+
+ /* transcode */
+ for (i = 0; i < 256; i++) {
+ g711_alaw_to_ulaw[i] = g711_linear_to_ulaw[(uint16_t)g711_alaw_to_linear[i]];
+ g711_ulaw_to_alaw[i] = g711_linear_to_alaw[(uint16_t)g711_ulaw_to_linear[i]];
+ g711_alaw_flipped_to_ulaw[i] = g711_linear_to_ulaw[(uint16_t)g711_alaw_to_linear[g711_flip[i]]];
+ g711_ulaw_flipped_to_alaw[i] = g711_linear_to_alaw[(uint16_t)g711_ulaw_to_linear[g711_flip[i]]];
+ g711_alaw_to_ulaw_flipped[i] = g711_flip[g711_linear_to_ulaw[(uint16_t)g711_alaw_to_linear[i]]];
+ g711_ulaw_to_alaw_flipped[i] = g711_flip[g711_linear_to_alaw[(uint16_t)g711_ulaw_to_linear[i]]];
+ }
+
+ g711_initialized = 1;
+}
+
+void g711_encode_alaw_flipped(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len)
+{
+ int16_t *src = (int16_t *)src_data;
+ uint8_t *dst;
+ int len = src_len / 2, i;
+
+ if (!g711_initialized) {
+ fprintf(stderr, "G711 codec not initialized! Please fix!\n");
+ abort();
+ }
+
+ dst = malloc(len);
+ if (!dst)
+ return;
+ for (i = 0; i < len; i++)
+ dst[i] = g711_linear_to_alaw_flipped[(uint16_t)src[i]];
+ *dst_data = dst;
+ *dst_len = len;
+}
+
+void g711_encode_ulaw_flipped(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len)
+{
+ int16_t *src = (int16_t *)src_data;
+ uint8_t *dst;
+ int len = src_len / 2, i;
+
+ if (!g711_initialized) {
+ fprintf(stderr, "G711 codec not initialized! Please fix!\n");
+ abort();
+ }
+
+ dst = malloc(len);
+ if (!dst)
+ return;
+ for (i = 0; i < len; i++)
+ dst[i] = g711_linear_to_ulaw_flipped[(uint16_t)src[i]];
+ *dst_data = dst;
+ *dst_len = len;
+}
+
+void g711_decode_alaw_flipped(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len)
+{
+ uint8_t *src = src_data;
+ int16_t *dst;
+ int len = src_len, i;
+
+ if (!g711_initialized) {
+ fprintf(stderr, "G711 codec not initialized! Please fix!\n");
+ abort();
+ }
+
+ dst = malloc(len * 2);
+ if (!dst)
+ return;
+ for (i = 0; i < len; i++)
+ dst[i] = g711_alaw_flipped_to_linear[src[i]];
+ *dst_data = (uint8_t *)dst;
+ *dst_len = len * 2;
+}
+
+void g711_decode_ulaw_flipped(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len)
+{
+ uint8_t *src = src_data;
+ int16_t *dst;
+ int len = src_len, i;
+
+ if (!g711_initialized) {
+ fprintf(stderr, "G711 codec not initialized! Please fix!\n");
+ abort();
+ }
+
+ dst = malloc(len * 2);
+ if (!dst)
+ return;
+ for (i = 0; i < len; i++)
+ dst[i] = g711_ulaw_flipped_to_linear[src[i]];
+ *dst_data = (uint8_t *)dst;
+ *dst_len = len * 2;
+}
+
+void g711_encode_alaw(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len)
+{
+ int16_t *src = (int16_t *)src_data;
+ uint8_t *dst;
+ int len = src_len / 2, i;
+
+ if (!g711_initialized) {
+ fprintf(stderr, "G711 codec not initialized! Please fix!\n");
+ abort();
+ }
+
+ dst = malloc(len);
+ if (!dst)
+ return;
+ for (i = 0; i < len; i++)
+ dst[i] = g711_linear_to_alaw[(uint16_t)src[i]];
+ *dst_data = dst;
+ *dst_len = len;
+}
+
+void g711_encode_ulaw(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len)
+{
+ int16_t *src = (int16_t *)src_data;
+ uint8_t *dst;
+ int len = src_len / 2, i;
+
+ if (!g711_initialized) {
+ fprintf(stderr, "G711 codec not initialized! Please fix!\n");
+ abort();
+ }
+
+ dst = malloc(len);
+ if (!dst)
+ return;
+ for (i = 0; i < len; i++)
+ dst[i] = g711_linear_to_ulaw[(uint16_t)src[i]];
+ *dst_data = dst;
+ *dst_len = len;
+}
+
+void g711_decode_alaw(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len)
+{
+ uint8_t *src = src_data;
+ int16_t *dst;
+ int len = src_len, i;
+
+ if (!g711_initialized) {
+ fprintf(stderr, "G711 codec not initialized! Please fix!\n");
+ abort();
+ }
+
+ dst = malloc(len * 2);
+ if (!dst)
+ return;
+ for (i = 0; i < len; i++)
+ dst[i] = g711_alaw_to_linear[src[i]];
+ *dst_data = (uint8_t *)dst;
+ *dst_len = len * 2;
+}
+
+void g711_decode_ulaw(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len)
+{
+ uint8_t *src = src_data;
+ int16_t *dst;
+ int len = src_len, i;
+
+ if (!g711_initialized) {
+ fprintf(stderr, "G711 codec not initialized! Please fix!\n");
+ abort();
+ }
+
+ dst = malloc(len * 2);
+ if (!dst)
+ return;
+ for (i = 0; i < len; i++)
+ dst[i] = g711_ulaw_to_linear[src[i]];
+ *dst_data = (uint8_t *)dst;
+ *dst_len = len * 2;
+}
+
+void g711_transcode_alaw_to_ulaw(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len)
+{
+ uint8_t *src = src_data, *dst;
+ int len = src_len, i;
+
+ if (!g711_initialized) {
+ fprintf(stderr, "G711 codec not initialized! Please fix!\n");
+ abort();
+ }
+
+ dst = malloc(len);
+ if (!dst)
+ return;
+ for (i = 0; i < len; i++)
+ dst[i] = g711_alaw_to_ulaw[src[i]];
+ *dst_data = dst;
+ *dst_len = len;
+}
+
+void g711_transcode_alaw_flipped_to_ulaw(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len)
+{
+ uint8_t *src = src_data, *dst;
+ int len = src_len, i;
+
+ if (!g711_initialized) {
+ fprintf(stderr, "G711 codec not initialized! Please fix!\n");
+ abort();
+ }
+
+ dst = malloc(len);
+ if (!dst)
+ return;
+ for (i = 0; i < len; i++)
+ dst[i] = g711_alaw_flipped_to_ulaw[src[i]];
+ *dst_data = dst;
+ *dst_len = len;
+}
+
+void g711_transcode_alaw_to_ulaw_flipped(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len)
+{
+ uint8_t *src = src_data, *dst;
+ int len = src_len, i;
+
+ if (!g711_initialized) {
+ fprintf(stderr, "G711 codec not initialized! Please fix!\n");
+ abort();
+ }
+
+ dst = malloc(len);
+ if (!dst)
+ return;
+ for (i = 0; i < len; i++)
+ dst[i] = g711_alaw_to_ulaw_flipped[src[i]];
+ *dst_data = dst;
+ *dst_len = len;
+}
+
+void g711_transcode_ulaw_to_alaw(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len)
+{
+ uint8_t *src = src_data, *dst;
+ int len = src_len, i;
+
+ if (!g711_initialized) {
+ fprintf(stderr, "G711 codec not initialized! Please fix!\n");
+ abort();
+ }
+
+ dst = malloc(len);
+ if (!dst)
+ return;
+ for (i = 0; i < len; i++)
+ dst[i] = g711_ulaw_to_alaw[src[i]];
+ *dst_data = dst;
+ *dst_len = len;
+}
+
+void g711_transcode_ulaw_flipped_to_alaw(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len)
+{
+ uint8_t *src = src_data, *dst;
+ int len = src_len, i;
+
+ if (!g711_initialized) {
+ fprintf(stderr, "G711 codec not initialized! Please fix!\n");
+ abort();
+ }
+
+ dst = malloc(len);
+ if (!dst)
+ return;
+ for (i = 0; i < len; i++)
+ dst[i] = g711_ulaw_flipped_to_alaw[src[i]];
+ *dst_data = dst;
+ *dst_len = len;
+}
+
+void g711_transcode_ulaw_to_alaw_flipped(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len)
+{
+ uint8_t *src = src_data, *dst;
+ int len = src_len, i;
+
+ if (!g711_initialized) {
+ fprintf(stderr, "G711 codec not initialized! Please fix!\n");
+ abort();
+ }
+
+ dst = malloc(len);
+ if (!dst)
+ return;
+ for (i = 0; i < len; i++)
+ dst[i] = g711_ulaw_to_alaw_flipped[src[i]];
+ *dst_data = dst;
+ *dst_len = len;
+}
+
+void g711_transcode_flipped(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len)
+{
+ uint8_t *src = src_data, *dst;
+ int len = src_len, i;
+
+ if (!g711_initialized) {
+ fprintf(stderr, "G711 codec not initialized! Please fix!\n");
+ abort();
+ }
+
+ dst = malloc(len);
+ if (!dst)
+ return;
+ for (i = 0; i < len; i++)
+ dst[i] = g711_flip[src[i]];
+ *dst_data = dst;
+ *dst_len = len;
+}
+
diff --git a/src/libg711/g711.h b/src/libg711/g711.h
new file mode 100644
index 0000000..795f60b
--- /dev/null
+++ b/src/libg711/g711.h
@@ -0,0 +1,17 @@
+void g711_init(void);
+void g711_encode_alaw_flipped(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len);
+void g711_encode_ulaw_flipped(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len);
+void g711_decode_alaw_flipped(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len);
+void g711_decode_ulaw_flipped(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len);
+void g711_encode_alaw(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len);
+void g711_encode_ulaw(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len);
+void g711_decode_alaw(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len);
+void g711_decode_ulaw(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len);
+void g711_transcode_alaw_to_ulaw(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len);
+void g711_transcode_alaw_flipped_to_ulaw(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len);
+void g711_transcode_alaw_to_ulaw_flipped(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len);
+void g711_transcode_ulaw_to_alaw(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len);
+void g711_transcode_ulaw_flipped_to_alaw(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len);
+void g711_transcode_ulaw_to_alaw_flipped(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len);
+void g711_transcode_flipped(uint8_t *src_data, int src_len, uint8_t **dst_data, int *dst_len);
+
diff --git a/src/nmt/Makefile.am b/src/nmt/Makefile.am
index 4bfd766..a7e13f6 100644
--- a/src/nmt/Makefile.am
+++ b/src/nmt/Makefile.am
@@ -40,6 +40,7 @@ nmt_LDADD = \
$(top_builddir)/src/libwave/libwave.a \
$(top_builddir)/src/libmncc/libmncc.a \
$(top_builddir)/src/libsample/libsample.a \
+ $(top_builddir)/src/libg711/libg711.a \
-lm
if HAVE_ALSA
diff --git a/src/r2000/Makefile.am b/src/r2000/Makefile.am
index 0fd8fdd..56b07e0 100644
--- a/src/r2000/Makefile.am
+++ b/src/r2000/Makefile.am
@@ -28,6 +28,7 @@ radiocom2000_LDADD = \
$(top_builddir)/src/libwave/libwave.a \
$(top_builddir)/src/libmncc/libmncc.a \
$(top_builddir)/src/libsample/libsample.a \
+ $(top_builddir)/src/libg711/libg711.a \
-lm
if HAVE_ALSA
diff --git a/src/tacs/Makefile.am b/src/tacs/Makefile.am
index 478730e..70f9e78 100644
--- a/src/tacs/Makefile.am
+++ b/src/tacs/Makefile.am
@@ -28,6 +28,7 @@ tacs_LDADD = \
$(top_builddir)/src/libwave/libwave.a \
$(top_builddir)/src/libmncc/libmncc.a \
$(top_builddir)/src/libsample/libsample.a \
+ $(top_builddir)/src/libg711/libg711.a \
-lm
if HAVE_ALSA
diff --git a/src/test/Makefile.am b/src/test/Makefile.am
index 409a638..d48e22e 100644
--- a/src/test/Makefile.am
+++ b/src/test/Makefile.am
@@ -69,6 +69,7 @@ test_dms_LDADD = \
$(top_builddir)/src/libwave/libwave.a \
$(top_builddir)/src/libmncc/libmncc.a \
$(top_builddir)/src/libsample/libsample.a \
+ $(top_builddir)/src/libg711/libg711.a \
-lm
if HAVE_ALSA
@@ -104,6 +105,7 @@ test_sms_LDADD = \
$(top_builddir)/src/libwave/libwave.a \
$(top_builddir)/src/libmncc/libmncc.a \
$(top_builddir)/src/libsample/libsample.a \
+ $(top_builddir)/src/libg711/libg711.a \
-lm
if HAVE_ALSA
diff --git a/src/zeitansage/Makefile.am b/src/zeitansage/Makefile.am
index 0d84c9a..d2a74b9 100644
--- a/src/zeitansage/Makefile.am
+++ b/src/zeitansage/Makefile.am
@@ -24,6 +24,7 @@ zeitansage_LDADD = \
$(top_builddir)/src/libwave/libwave.a \
$(top_builddir)/src/libmncc/libmncc.a \
$(top_builddir)/src/libsample/libsample.a \
+ $(top_builddir)/src/libg711/libg711.a \
$(ALSA_LIBS) \
-lm