Move codec plugins to /plugins

Change-Id: I56d61e2ef737e4326080d75a2302c73a4075e8a1
Reviewed-on: https://code.wireshark.org/review/33067
Reviewed-by: Anders Broman <a.broman58@gmail.com>

10 files changed, 1011 insertions, 0 deletions

diff --git a/plugins/codecs/G711/CMakeLists.txt b/plugins/codecs/G711/CMakeLists.txt
new file mode 100644
index 0000000000..642d32a3ae
--- /dev/null
+++ b/plugins/codecs/G711/CMakeLists.txt
@@ -0,0 +1,68 @@
+# CMakeLists.txt
+#
+# Wireshark - Network traffic analyzer
+# By Gerald Combs <gerald@wireshark.org>
+# Copyright 1998 Gerald Combs
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+
+include(WiresharkPlugin)
+
+# Plugin name and version info (major minor micro extra)
+set_module_info(g711 0 1 0 0)
+
+set(CODEC_SRC
+	G711decode.c
+)
+
+set(PLUGIN_FILES
+	plugin.c
+	${CODEC_SRC}
+)
+
+set_source_files_properties(
+	${PLUGIN_FILES}
+	PROPERTIES
+	COMPILE_FLAGS "${WERROR_COMMON_FLAGS}"
+)
+
+include_directories(
+	${CMAKE_SOURCE_DIR}/codecs
+	${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+register_plugin_files(plugin.c
+	plugin_codec
+	${CODEC_SRC}
+)
+
+add_plugin_library(g711 codecs)
+
+target_link_libraries(g711 wscodecs)
+
+install_plugin(g711 codecs)
+
+file(GLOB CODEC_HEADERS RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}" "*.h")
+CHECKAPI(
+	NAME
+	  g711
+	SWITCHES
+	  -g abort -g termoutput -build
+	SOURCES
+	  ${CODEC_SRC}
+	  ${CODEC_HEADERS}
+)
+
+#
+# Editor modelines  -  http://www.wireshark.org/tools/modelines.html
+#
+# Local variables:
+# c-basic-offset: 8
+# tab-width: 8
+# indent-tabs-mode: t
+# End:
+#
+# vi: set shiftwidth=8 tabstop=8 noexpandtab:
+# :indentSize=8:tabSize=8:noTabs=false:
+#
diff --git a/plugins/codecs/G711/G711decode.c b/plugins/codecs/G711/G711decode.c
new file mode 100644
index 0000000000..19a7f32893
--- /dev/null
+++ b/plugins/codecs/G711/G711decode.c
@@ -0,0 +1,198 @@
+/* G711adecode.c
+ * A-law G.711 codec
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "config.h"
+
+#include <glib.h>
+
+#include "codecs/codecs.h"
+#include "ws_attributes.h"
+
+static gint16 ulaw_exp_table[256] = {
+   -32124,-31100,-30076,-29052,-28028,-27004,-25980,-24956,
+   -23932,-22908,-21884,-20860,-19836,-18812,-17788,-16764,
+   -15996,-15484,-14972,-14460,-13948,-13436,-12924,-12412,
+   -11900,-11388,-10876,-10364, -9852, -9340, -8828, -8316,
+    -7932, -7676, -7420, -7164, -6908, -6652, -6396, -6140,
+    -5884, -5628, -5372, -5116, -4860, -4604, -4348, -4092,
+    -3900, -3772, -3644, -3516, -3388, -3260, -3132, -3004,
+    -2876, -2748, -2620, -2492, -2364, -2236, -2108, -1980,
+    -1884, -1820, -1756, -1692, -1628, -1564, -1500, -1436,
+    -1372, -1308, -1244, -1180, -1116, -1052,  -988,  -924,
+     -876,  -844,  -812,  -780,  -748,  -716,  -684,  -652,
+     -620,  -588,  -556,  -524,  -492,  -460,  -428,  -396,
+     -372,  -356,  -340,  -324,  -308,  -292,  -276,  -260,
+     -244,  -228,  -212,  -196,  -180,  -164,  -148,  -132,
+     -120,  -112,  -104,   -96,   -88,   -80,   -72,   -64,
+      -56,   -48,   -40,   -32,   -24,   -16,    -8,     0,
+    32124, 31100, 30076, 29052, 28028, 27004, 25980, 24956,
+    23932, 22908, 21884, 20860, 19836, 18812, 17788, 16764,
+    15996, 15484, 14972, 14460, 13948, 13436, 12924, 12412,
+    11900, 11388, 10876, 10364,  9852,  9340,  8828,  8316,
+     7932,  7676,  7420,  7164,  6908,  6652,  6396,  6140,
+     5884,  5628,  5372,  5116,  4860,  4604,  4348,  4092,
+     3900,  3772,  3644,  3516,  3388,  3260,  3132,  3004,
+     2876,  2748,  2620,  2492,  2364,  2236,  2108,  1980,
+     1884,  1820,  1756,  1692,  1628,  1564,  1500,  1436,
+     1372,  1308,  1244,  1180,  1116,  1052,   988,   924,
+      876,   844,   812,   780,   748,   716,   684,   652,
+      620,   588,   556,   524,   492,   460,   428,   396,
+      372,   356,   340,   324,   308,   292,   276,   260,
+      244,   228,   212,   196,   180,   164,   148,   132,
+      120,   112,   104,    96,    88,    80,    72,    64,
+       56,    48,    40,    32,    24,    16,     8,     0
+};
+
+static gint16 alaw_exp_table[256] = {
+      -5504, -5248, -6016, -5760, -4480, -4224, -4992, -4736,
+      -7552, -7296, -8064, -7808, -6528, -6272, -7040, -6784,
+      -2752, -2624, -3008, -2880, -2240, -2112, -2496, -2368,
+      -3776, -3648, -4032, -3904, -3264, -3136, -3520, -3392,
+     -22016,-20992,-24064,-23040,-17920,-16896,-19968,-18944,
+     -30208,-29184,-32256,-31232,-26112,-25088,-28160,-27136,
+     -11008,-10496,-12032,-11520, -8960, -8448, -9984, -9472,
+     -15104,-14592,-16128,-15616,-13056,-12544,-14080,-13568,
+       -344,  -328,  -376,  -360,  -280,  -264,  -312,  -296,
+       -472,  -456,  -504,  -488,  -408,  -392,  -440,  -424,
+        -88,   -72,  -120,  -104,   -24,    -8,   -56,   -40,
+       -216,  -200,  -248,  -232,  -152,  -136,  -184,  -168,
+      -1376, -1312, -1504, -1440, -1120, -1056, -1248, -1184,
+      -1888, -1824, -2016, -1952, -1632, -1568, -1760, -1696,
+       -688,  -656,  -752,  -720,  -560,  -528,  -624,  -592,
+       -944,  -912, -1008,  -976,  -816,  -784,  -880,  -848,
+       5504,  5248,  6016,  5760,  4480,  4224,  4992,  4736,
+       7552,  7296,  8064,  7808,  6528,  6272,  7040,  6784,
+       2752,  2624,  3008,  2880,  2240,  2112,  2496,  2368,
+       3776,  3648,  4032,  3904,  3264,  3136,  3520,  3392,
+      22016, 20992, 24064, 23040, 17920, 16896, 19968, 18944,
+      30208, 29184, 32256, 31232, 26112, 25088, 28160, 27136,
+      11008, 10496, 12032, 11520,  8960,  8448,  9984,  9472,
+      15104, 14592, 16128, 15616, 13056, 12544, 14080, 13568,
+        344,   328,   376,   360,   280,   264,   312,   296,
+        472,   456,   504,   488,   408,   392,   440,   424,
+         88,    72,   120,   104,    24,     8,    56,    40,
+        216,   200,   248,   232,   152,   136,   184,   168,
+       1376,  1312,  1504,  1440,  1120,  1056,  1248,  1184,
+       1888,  1824,  2016,  1952,  1632,  1568,  1760,  1696,
+        688,   656,   752,   720,   560,   528,   624,   592,
+        944,   912,  1008,   976,   816,   784,   880,   848
+};
+
+static void *
+codec_g711u_init(void)
+{
+    return NULL;
+}
+
+static void
+codec_g711u_release(void *ctx _U_)
+{
+
+}
+
+static unsigned
+codec_g711u_get_channels(void *ctx _U_)
+{
+    return 1;
+}
+
+static unsigned
+codec_g711u_get_frequency(void *ctx _U_)
+{
+    return 8000;
+}
+
+static size_t
+codec_g711u_decode(void *ctx _U_, const void *input, size_t inputSizeBytes, void *output,
+        size_t *outputSizeBytes)
+{
+    const guint8 *dataIn = (const guint8 *) input;
+    gint16       *dataOut = (gint16 *) output;
+    size_t       i;
+
+    if (!output || !outputSizeBytes) {
+        return inputSizeBytes * 2;
+    }
+
+    for (i = 0; i < inputSizeBytes; i++)
+    {
+        dataOut[i] = ulaw_exp_table[dataIn[i]];
+    }
+
+    *outputSizeBytes = inputSizeBytes * 2;
+    return inputSizeBytes * 2;
+}
+
+static void *
+codec_g711a_init(void)
+{
+    return NULL;
+}
+
+static void
+codec_g711a_release(void *ctx _U_)
+{
+
+}
+
+static unsigned
+codec_g711a_get_channels(void *ctx _U_)
+{
+    return 1;
+}
+
+static unsigned
+codec_g711a_get_frequency(void *ctx _U_)
+{
+    return 8000;
+}
+
+static size_t
+codec_g711a_decode(void *ctx _U_, const void *input, size_t inputSizeBytes, void *output,
+        size_t *outputSizeBytes)
+{
+    const guint8 *dataIn = (const guint8 *) input;
+    gint16       *dataOut = (gint16 *) output;
+    size_t       i;
+
+    if (!output || !outputSizeBytes) {
+        return inputSizeBytes * 2;
+    }
+
+    for (i = 0; i < inputSizeBytes; i++)
+    {
+        dataOut[i] = alaw_exp_table[dataIn[i]];
+    }
+
+    *outputSizeBytes = inputSizeBytes * 2;
+    return inputSizeBytes * 2;
+}
+
+void
+codec_register_g711(void)
+{
+    register_codec("g711U", codec_g711u_init, codec_g711u_release,
+            codec_g711u_get_channels, codec_g711u_get_frequency, codec_g711u_decode);
+    register_codec("g711A", codec_g711a_init, codec_g711a_release,
+            codec_g711a_get_channels, codec_g711a_get_frequency, codec_g711a_decode);
+}
+
+/*
+ * Editor modelines  -  http://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * vi: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */
diff --git a/plugins/codecs/G722/CMakeLists.txt b/plugins/codecs/G722/CMakeLists.txt
new file mode 100644
index 0000000000..2350cb0909
--- /dev/null
+++ b/plugins/codecs/G722/CMakeLists.txt
@@ -0,0 +1,70 @@
+# CMakeLists.txt
+#
+# Wireshark - Network traffic analyzer
+# By Gerald Combs <gerald@wireshark.org>
+# Copyright 1998 Gerald Combs
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+
+include(WiresharkPlugin)
+
+# Plugin name and version info (major minor micro extra)
+set_module_info(g722 0 1 0 0)
+
+set(CODEC_SRC
+	G722decode.c
+)
+
+set(PLUGIN_FILES
+	plugin.c
+	${CODEC_SRC}
+)
+
+set_source_files_properties(
+	${PLUGIN_FILES}
+	PROPERTIES
+	COMPILE_FLAGS "${WERROR_COMMON_FLAGS}"
+)
+
+include_directories(
+	${CMAKE_SOURCE_DIR}/codecs
+	${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+register_plugin_files(plugin.c
+	plugin_codec
+	${CODEC_SRC}
+)
+
+add_plugin_library(g722 codecs)
+
+target_link_libraries(g722 wscodecs ${SPANDSP_LIBRARIES})
+
+target_include_directories(g722 SYSTEM PRIVATE ${SPANDSP_INCLUDE_DIRS})
+
+install_plugin(g722 codecs)
+
+file(GLOB CODEC_HEADERS RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}" "*.h")
+CHECKAPI(
+	NAME
+	  g722
+	SWITCHES
+	  -g abort -g termoutput -build
+	SOURCES
+	  ${CODEC_SRC}
+	  ${CODEC_HEADERS}
+)
+
+#
+# Editor modelines  -  http://www.wireshark.org/tools/modelines.html
+#
+# Local variables:
+# c-basic-offset: 8
+# tab-width: 8
+# indent-tabs-mode: t
+# End:
+#
+# vi: set shiftwidth=8 tabstop=8 noexpandtab:
+# :indentSize=8:tabSize=8:noTabs=false:
+#
diff --git a/plugins/codecs/G722/G722decode.c b/plugins/codecs/G722/G722decode.c
new file mode 100644
index 0000000000..789e31b478
--- /dev/null
+++ b/plugins/codecs/G722/G722decode.c
@@ -0,0 +1,96 @@
+/* G722decode.c
+ * G.722 codec
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "config.h"
+
+#include <glib.h>
+
+#include "spandsp.h"
+#include "codecs/codecs.h"
+#include "ws_attributes.h"
+
+static void *
+codec_g722_init(void)
+{
+    g722_decode_state_t *state;
+
+    /* Valid values for bit_rate for G.722 are 48000, 56000, 64000, but RTP/AVP
+     * profile requires 64kbps, aligned at octets. */
+    state = g722_decode_init(NULL, 64000, 0);
+
+    return state;
+}
+
+static void
+codec_g722_release(void *ctx)
+{
+    g722_decode_state_t *state = (g722_decode_state_t *)ctx;
+
+    if (!state) {
+        return;  /* out-of-memory; */
+    }
+
+    /* Note: replaces g722_decode_release since SpanDSP 20090211 */
+    g722_decode_free(state);
+}
+
+static unsigned
+codec_g722_get_channels(void *ctx _U_)
+{
+    /* G.722 has only one channel. */
+    return 1;
+}
+
+static unsigned
+codec_g722_get_frequency(void *ctx _U_)
+{
+    /* Note: RTP Clock rate is 8kHz due to a historic error, but actual sampling
+     * rate is 16kHz (RFC 3551, section 4.5.2). */
+    return 16000;
+}
+
+static size_t
+codec_g722_decode(void *ctx, const void *input, size_t inputSizeBytes, void *output,
+        size_t *outputSizeBytes)
+{
+    g722_decode_state_t *state = (g722_decode_state_t *)ctx;
+
+    if (!state) {
+        return 0;  /* out-of-memory; */
+    }
+
+    if (!output || !outputSizeBytes) {
+        return 4 * inputSizeBytes;
+    }
+
+    /* g722_decode returns the number of 16-bit samples. */
+    *outputSizeBytes = 2 * g722_decode(state, (int16_t *)output, (const uint8_t *)input, (int)inputSizeBytes);
+    return *outputSizeBytes;
+}
+
+void
+codec_register_g722(void)
+{
+    register_codec("g722", codec_g722_init, codec_g722_release,
+            codec_g722_get_channels, codec_g722_get_frequency, codec_g722_decode);
+}
+
+/*
+ * Editor modelines  -  http://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * vi: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */
diff --git a/plugins/codecs/G726/CMakeLists.txt b/plugins/codecs/G726/CMakeLists.txt
new file mode 100644
index 0000000000..e598cb82c0
--- /dev/null
+++ b/plugins/codecs/G726/CMakeLists.txt
@@ -0,0 +1,70 @@
+# CMakeLists.txt
+#
+# Wireshark - Network traffic analyzer
+# By Gerald Combs <gerald@wireshark.org>
+# Copyright 1998 Gerald Combs
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+
+include(WiresharkPlugin)
+
+# Plugin name and version info (major minor micro extra)
+set_module_info(g726 0 1 0 0)
+
+set(CODEC_SRC
+	G726decode.c
+)
+
+set(PLUGIN_FILES
+	plugin.c
+	${CODEC_SRC}
+)
+
+set_source_files_properties(
+	${PLUGIN_FILES}
+	PROPERTIES
+	COMPILE_FLAGS "${WERROR_COMMON_FLAGS}"
+)
+
+include_directories(
+	${CMAKE_SOURCE_DIR}/codecs
+	${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+register_plugin_files(plugin.c
+	plugin_codec
+	${CODEC_SRC}
+)
+
+add_plugin_library(g726 codecs)
+
+target_link_libraries(g726 wscodecs ${SPANDSP_LIBRARIES})
+
+target_include_directories(g726 SYSTEM PRIVATE ${SPANDSP_INCLUDE_DIRS})
+
+install_plugin(g726 codecs)
+
+file(GLOB CODEC_HEADERS RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}" "*.h")
+CHECKAPI(
+	NAME
+	  g726
+	SWITCHES
+	  -g abort -g termoutput -build
+	SOURCES
+	  ${CODEC_SRC}
+	  ${CODEC_HEADERS}
+)
+
+#
+# Editor modelines  -  http://www.wireshark.org/tools/modelines.html
+#
+# Local variables:
+# c-basic-offset: 8
+# tab-width: 8
+# indent-tabs-mode: t
+# End:
+#
+# vi: set shiftwidth=8 tabstop=8 noexpandtab:
+# :indentSize=8:tabSize=8:noTabs=false:
+#
diff --git a/plugins/codecs/G726/G726decode.c b/plugins/codecs/G726/G726decode.c
new file mode 100644
index 0000000000..86b61c0cbd
--- /dev/null
+++ b/plugins/codecs/G726/G726decode.c
@@ -0,0 +1,133 @@
+/* G726decode.c
+ * G.726 codec
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "config.h"
+
+#include <glib.h>
+
+#include "spandsp.h"
+#include "codecs/codecs.h"
+#include "ws_attributes.h"
+
+typedef struct _g726_codec_ctx {
+    g726_state_t *state;
+    int bit_rate;
+} g726_codec_ctx;
+
+static void *
+codec_g726_init(int bit_rate, int packing)
+{
+    g726_state_t *decoder = g726_init(NULL, bit_rate, G726_ENCODING_LINEAR, packing);
+
+    if (!decoder) {
+        return NULL;  /* out-of-memory; */
+    }
+
+    g726_codec_ctx *state = g_new(g726_codec_ctx, 1);
+    state->state = decoder;
+    state->bit_rate = bit_rate;
+
+    return state;
+}
+
+static void *codec_g726_16_init(void) { return codec_g726_init(16000, G726_PACKING_RIGHT); }
+static void *codec_g726_24_init(void) { return codec_g726_init(24000, G726_PACKING_RIGHT); }
+static void *codec_g726_32_init(void) { return codec_g726_init(32000, G726_PACKING_RIGHT); }
+static void *codec_g726_40_init(void) { return codec_g726_init(40000, G726_PACKING_RIGHT); }
+static void *codec_aal2_g726_16_init(void) { return codec_g726_init(16000, G726_PACKING_LEFT); }
+static void *codec_aal2_g726_24_init(void) { return codec_g726_init(24000, G726_PACKING_LEFT); }
+static void *codec_aal2_g726_32_init(void) { return codec_g726_init(32000, G726_PACKING_LEFT); }
+static void *codec_aal2_g726_40_init(void) { return codec_g726_init(40000, G726_PACKING_LEFT); }
+
+static void
+codec_g726_release(void *ctx)
+{
+    g726_codec_ctx *state = (g726_codec_ctx *)ctx;
+
+    if (!state) {
+        return;  /* out-of-memory; */
+    }
+
+    /* Note: replaces g726_release since SpanDSP 20090211 */
+    g726_free(state->state);
+    g_free(state);
+}
+
+static unsigned
+codec_g726_get_channels(void *ctx _U_)
+{
+    return 1;
+}
+
+static unsigned
+codec_g726_get_frequency(void *ctx _U_)
+{
+    return 8000;
+}
+
+static size_t
+codec_g726_decode(void *ctx, const void *input, size_t inputSizeBytes, void *output,
+        size_t *outputSizeBytes)
+{
+    g726_codec_ctx *state = (g726_codec_ctx *)ctx;
+
+    if (!state) {
+        return 0;  /* out-of-memory; */
+    }
+
+    if (!output || !outputSizeBytes) {
+        /*
+         * sample rate 8kHz, for bitrate 16kHz we have 16/8 = 2 bits/sample, so
+         * 1 input byte (8 bits) will expand to four 16-bit samples. Likewise,
+         * for bitrate 40kHz we have 40/8 = 5 bits/sample.  Alternatively:
+         * bitsPerSample = bitRate / sampleRate (8kHz).
+         * outputBytes = (inputBits / bitsPerSample) * sizeof(sample)
+         */
+        return inputSizeBytes * 8 / (state->bit_rate / 8000) * 2;
+    }
+
+    /* g726_decode returns the number of 16-bit samples. */
+    *outputSizeBytes = 2 * g726_decode(state->state, (int16_t *)output, (const uint8_t *) input, (int)inputSizeBytes);
+    return *outputSizeBytes;
+}
+
+void
+codec_register_g726(void)
+{
+    register_codec("G726-16", codec_g726_16_init, codec_g726_release,
+            codec_g726_get_channels, codec_g726_get_frequency, codec_g726_decode);
+    register_codec("G726-24", codec_g726_24_init, codec_g726_release,
+            codec_g726_get_channels, codec_g726_get_frequency, codec_g726_decode);
+    register_codec("G726-32", codec_g726_32_init, codec_g726_release,
+            codec_g726_get_channels, codec_g726_get_frequency, codec_g726_decode);
+    register_codec("G726-40", codec_g726_40_init, codec_g726_release,
+            codec_g726_get_channels, codec_g726_get_frequency, codec_g726_decode);
+    register_codec("AAL2-G726-16", codec_aal2_g726_16_init, codec_g726_release,
+            codec_g726_get_channels, codec_g726_get_frequency, codec_g726_decode);
+    register_codec("AAL2-G726-24", codec_aal2_g726_24_init, codec_g726_release,
+            codec_g726_get_channels, codec_g726_get_frequency, codec_g726_decode);
+    register_codec("AAL2-G726-32", codec_aal2_g726_32_init, codec_g726_release,
+            codec_g726_get_channels, codec_g726_get_frequency, codec_g726_decode);
+    register_codec("AAL2-G726-40", codec_aal2_g726_40_init, codec_g726_release,
+            codec_g726_get_channels, codec_g726_get_frequency, codec_g726_decode);
+}
+
+/*
+ * Editor modelines  -  http://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * vi: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */
diff --git a/plugins/codecs/G729/CMakeLists.txt b/plugins/codecs/G729/CMakeLists.txt
new file mode 100644
index 0000000000..f4c1765f27
--- /dev/null
+++ b/plugins/codecs/G729/CMakeLists.txt
@@ -0,0 +1,70 @@
+# CMakeLists.txt
+#
+# Wireshark - Network traffic analyzer
+# By Gerald Combs <gerald@wireshark.org>
+# Copyright 1998 Gerald Combs
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+
+include(WiresharkPlugin)
+
+# Plugin name and version info (major minor micro extra)
+set_module_info(g729 0 1 0 0)
+
+set(CODEC_SRC
+	G729decode.c
+)
+
+set(PLUGIN_FILES
+	plugin.c
+	${CODEC_SRC}
+)
+
+set_source_files_properties(
+	${PLUGIN_FILES}
+	PROPERTIES
+	COMPILE_FLAGS "${WERROR_COMMON_FLAGS}"
+)
+
+include_directories(
+	${CMAKE_SOURCE_DIR}/codecs
+	${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+register_plugin_files(plugin.c
+	plugin_codec
+	${CODEC_SRC}
+)
+
+add_plugin_library(g729 codecs)
+
+target_link_libraries(g729 wscodecs ${BCG729_LIBRARIES})
+
+target_include_directories(g729 SYSTEM PRIVATE ${BCG729_INCLUDE_DIRS})
+
+install_plugin(g729 codecs)
+
+file(GLOB CODEC_HEADERS RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}" "*.h")
+CHECKAPI(
+	NAME
+	  g729
+	SWITCHES
+	  -g abort -g termoutput -build
+	SOURCES
+	  ${CODEC_SRC}
+	  ${CODEC_HEADERS}
+)
+
+#
+# Editor modelines  -  http://www.wireshark.org/tools/modelines.html
+#
+# Local variables:
+# c-basic-offset: 8
+# tab-width: 8
+# indent-tabs-mode: t
+# End:
+#
+# vi: set shiftwidth=8 tabstop=8 noexpandtab:
+# :indentSize=8:tabSize=8:noTabs=false:
+#
diff --git a/plugins/codecs/G729/G729decode.c b/plugins/codecs/G729/G729decode.c
new file mode 100644
index 0000000000..e2308f36f8
--- /dev/null
+++ b/plugins/codecs/G729/G729decode.c
@@ -0,0 +1,97 @@
+/* G729decode.c
+ * G.729 codec
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "config.h"
+
+#include <glib.h>
+
+#include "bcg729/decoder.h"
+#include "codecs/codecs.h"
+#include "ws_attributes.h"
+
+static void *
+codec_g729_init(void)
+{
+    return initBcg729DecoderChannel();
+}
+
+static void
+codec_g729_release(void *ctx)
+{
+    closeBcg729DecoderChannel((bcg729DecoderChannelContextStruct *)ctx);
+}
+
+static unsigned
+codec_g729_get_channels(void *ctx _U_)
+{
+    return 1;
+}
+
+static unsigned
+codec_g729_get_frequency(void *ctx _U_)
+{
+    return 8000;
+}
+
+static size_t
+codec_g729_decode(void *ctx, const void *input, size_t inputSizeBytes, void *output,
+        size_t *outputSizeBytes)
+{
+    bcg729DecoderChannelContextStruct *state = (bcg729DecoderChannelContextStruct *)ctx;
+    const guint8 *dataIn = (const guint8 *) input;
+    gint16 *dataOut = (gint16 *) output;
+    size_t i;
+
+    if (!ctx) {
+        return 0;
+    }
+
+    if (!output || !outputSizeBytes) {
+        return 80*2*(inputSizeBytes/10);
+    }
+
+    /* The G729 algorithm encodes 10ms of voice into 80bit (10 bytes).
+       Based on the RTP packetization period (usually 20ms), we need to
+       pass to the bcg729 decoder chunks of 10ms (10 bytes)
+    */
+    for (i = 0; i < (inputSizeBytes/10); i++) {
+        /* The bcg729 decoder library fails to declare the second
+           argument to bcg729Decoder() to be a const pointer.  If you
+           fix it, and some other functions, to use const, the library
+           compiles, so presumably it doesn't modify its input and
+           therefore can safely be passed a const pointer.  Cast away
+           the problem for now; a patch will be sent to the maintainers
+           of the library.
+        */
+        bcg729Decoder(state, (guint8 *)dataIn + i*10, 10, 0, 0, 0, dataOut + i*80);
+    }
+    *outputSizeBytes = 80*2*(inputSizeBytes/10);
+    return *outputSizeBytes;
+}
+
+void
+codec_register_g729(void)
+{
+    register_codec("g729", codec_g729_init, codec_g729_release,
+            codec_g729_get_channels, codec_g729_get_frequency, codec_g729_decode);
+}
+
+/*
+ * Editor modelines  -  http://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * vi: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */
diff --git a/plugins/codecs/sbc/CMakeLists.txt b/plugins/codecs/sbc/CMakeLists.txt
new file mode 100644
index 0000000000..bf068ed5e3
--- /dev/null
+++ b/plugins/codecs/sbc/CMakeLists.txt
@@ -0,0 +1,70 @@
+# CMakeLists.txt
+#
+# Wireshark - Network traffic analyzer
+# By Gerald Combs <gerald@wireshark.org>
+# Copyright 1998 Gerald Combs
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+
+include(WiresharkPlugin)
+
+# Plugin name and version info (major minor micro extra)
+set_module_info(sbc 0 1 0 0)
+
+set(CODEC_SRC
+	sbc.c
+)
+
+set(PLUGIN_FILES
+	plugin.c
+	${CODEC_SRC}
+)
+
+set_source_files_properties(
+	${PLUGIN_FILES}
+	PROPERTIES
+	COMPILE_FLAGS "${WERROR_COMMON_FLAGS}"
+)
+
+include_directories(
+	${CMAKE_SOURCE_DIR}/codecs
+	${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+register_plugin_files(plugin.c
+	plugin_codec
+	${CODEC_SRC}
+)
+
+add_plugin_library(sbc codecs)
+
+target_link_libraries(sbc wscodecs ${SBC_LIBRARIES})
+
+target_include_directories(sbc SYSTEM PRIVATE ${SBC_INCLUDE_DIRS})
+
+install_plugin(sbc codecs)
+
+file(GLOB CODEC_HEADERS RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}" "*.h")
+CHECKAPI(
+	NAME
+	  sbc
+	SWITCHES
+	  -g abort -g termoutput -build
+	SOURCES
+	  ${CODEC_SRC}
+	  ${CODEC_HEADERS}
+)
+
+#
+# Editor modelines  -  http://www.wireshark.org/tools/modelines.html
+#
+# Local variables:
+# c-basic-offset: 8
+# tab-width: 8
+# indent-tabs-mode: t
+# End:
+#
+# vi: set shiftwidth=8 tabstop=8 noexpandtab:
+# :indentSize=8:tabSize=8:noTabs=false:
+#
diff --git a/plugins/codecs/sbc/sbc.c b/plugins/codecs/sbc/sbc.c
new file mode 100644
index 0000000000..3992cd3840
--- /dev/null
+++ b/plugins/codecs/sbc/sbc.c
@@ -0,0 +1,139 @@
+/* sbc.c
+ * Support for external Bluetooth SBC codec
+ *
+ * Copyright 2012, Michal Labedzki for Tieto Corporation
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "config.h"
+
+#include <glib.h>
+#include <sbc/sbc.h>
+
+#include "codecs/codecs.h"
+
+#define SBC_BUFFER 8192
+
+static void *
+codec_sbc_init(void)
+{
+    sbc_t *sbc;
+
+    sbc = (sbc_t *) g_malloc(sizeof(sbc_t));
+    sbc_init(sbc, 0L);
+
+    return sbc;
+}
+
+static void
+codec_sbc_release(void *ctx)
+{
+    sbc_t *sbc = (sbc_t *) ctx;
+
+    sbc_finish(sbc);
+    g_free(sbc);
+}
+
+static unsigned
+codec_sbc_get_channels(void *ctx)
+{
+    sbc_t *sbc = (sbc_t *) ctx;
+    if (sbc->mode == SBC_MODE_MONO)
+        return 1;
+
+    return 2;
+}
+
+static unsigned
+codec_sbc_get_frequency(void *ctx)
+{
+    sbc_t *sbc = (sbc_t *) ctx;
+    int frequency;
+
+    switch (sbc->frequency) {
+    case SBC_FREQ_16000:
+        frequency = 16000;
+        break;
+
+    case SBC_FREQ_32000:
+        frequency = 32000;
+        break;
+
+    case SBC_FREQ_44100:
+        frequency = 44100;
+        break;
+
+    case SBC_FREQ_48000:
+        frequency = 48000;
+        break;
+    default:
+        frequency = 0;
+    }
+
+    return frequency;
+}
+
+static size_t
+codec_sbc_decode(void *ctx, const void *input, size_t inputSizeBytes, void *output,
+        size_t *outputSizeBytes)
+{
+    size_t         size_in = (size_t) inputSizeBytes;
+    size_t         size_out = SBC_BUFFER;
+    size_t         len;
+    size_t         framelen;
+    size_t         xframe_pos = 0;
+    const guint8  *data_in  = (const guint8 *) input;
+    guint8        *data_out = (guint8 *) output;
+    sbc_t         *sbc = (sbc_t *) ctx;
+    guint8        *i_data;
+    guint8         tmp;
+
+    if (!output || !outputSizeBytes) {
+        return size_out;
+    }
+
+    sbc->endian = SBC_BE;
+
+    *outputSizeBytes = 0;
+    while (xframe_pos < inputSizeBytes) {
+        framelen = sbc_decode(sbc, data_in, size_in, data_out, size_out, &len);
+        xframe_pos += framelen;
+        data_in += framelen;
+        *outputSizeBytes += len;
+
+        for (i_data = data_out; i_data < data_out + len; i_data += 2) {
+                tmp = i_data[0];
+                i_data[0] = i_data[1];
+                i_data[1] = tmp;
+        }
+
+        data_out += len;
+    }
+
+    return *outputSizeBytes;
+}
+
+void
+codec_register_sbc(void)
+{
+    register_codec("SBC", codec_sbc_init, codec_sbc_release,
+            codec_sbc_get_channels, codec_sbc_get_frequency, codec_sbc_decode);
+}
+
+/*
+ * Editor modelines  -  http://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * vi: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */