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-rw-r--r--configure.ac1
-rw-r--r--include/osmocom/bsc/Makefile.am1
-rw-r--r--include/osmocom/bsc/codec_pref.h6
-rw-r--r--src/osmo-bsc/Makefile.am1
-rw-r--r--src/osmo-bsc/codec_pref.c175
-rw-r--r--src/osmo-bsc/osmo_bsc_bssap.c161
-rw-r--r--tests/Makefile.am1
-rw-r--r--tests/codec_pref/Makefile.am34
-rw-r--r--tests/codec_pref/codec_pref_test.c498
-rw-r--r--tests/codec_pref/codec_pref_test.ok707
-rw-r--r--tests/testsuite.at6
11 files changed, 1431 insertions, 160 deletions
diff --git a/configure.ac b/configure.ac
index 25bcad7..a99e143 100644
--- a/configure.ac
+++ b/configure.ac
@@ -176,6 +176,7 @@ AC_OUTPUT(
tests/atlocal
tests/gsm0408/Makefile
tests/bsc/Makefile
+ tests/codec_pref/Makefile
tests/abis/Makefile
tests/subscr/Makefile
tests/nanobts_omlattr/Makefile
diff --git a/include/osmocom/bsc/Makefile.am b/include/osmocom/bsc/Makefile.am
index 5fa39eb..dfab592 100644
--- a/include/osmocom/bsc/Makefile.am
+++ b/include/osmocom/bsc/Makefile.am
@@ -12,6 +12,7 @@ noinst_HEADERS = \
bss.h \
bts_ipaccess_nanobts_omlattr.h \
chan_alloc.h \
+ codec_pref.h \
ctrl.h \
debug.h \
e1_config.h \
diff --git a/include/osmocom/bsc/codec_pref.h b/include/osmocom/bsc/codec_pref.h
new file mode 100644
index 0000000..6933cea
--- /dev/null
+++ b/include/osmocom/bsc/codec_pref.h
@@ -0,0 +1,6 @@
+#pragma once
+
+int match_codec_pref(int *full_rate, enum gsm48_chan_mode *chan_mode,
+ const struct gsm0808_channel_type *ct,
+ const struct gsm0808_speech_codec_list *scl,
+ const struct bsc_msc_data *msc);
diff --git a/src/osmo-bsc/Makefile.am b/src/osmo-bsc/Makefile.am
index a459a92..db63a99 100644
--- a/src/osmo-bsc/Makefile.am
+++ b/src/osmo-bsc/Makefile.am
@@ -53,6 +53,7 @@ osmo_bsc_SOURCES = \
bts_sysmobts.c \
bts_unknown.c \
chan_alloc.c \
+ codec_pref.c \
e1_config.c \
gsm_04_08_utils.c \
gsm_04_80_utils.c \
diff --git a/src/osmo-bsc/codec_pref.c b/src/osmo-bsc/codec_pref.c
new file mode 100644
index 0000000..ee0760a
--- /dev/null
+++ b/src/osmo-bsc/codec_pref.c
@@ -0,0 +1,175 @@
+/*
+ * (C) 2017-2018 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ * All Rights Reserved
+ *
+ * Author: Philipp Maier
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <osmocom/core/msgb.h>
+#include <osmocom/gsm/gsm0808_utils.h>
+#include <osmocom/bsc/bsc_msc_data.h>
+#include <osmocom/bsc/codec_pref.h>
+
+/* Helper function for match_codec_pref(), looks up a matching chan mode for
+ * a given permitted speech value */
+enum gsm48_chan_mode gsm88_to_chan_mode(enum gsm0808_permitted_speech speech)
+{
+ switch (speech) {
+ case GSM0808_PERM_HR1:
+ case GSM0808_PERM_FR1:
+ return GSM48_CMODE_SPEECH_V1;
+ break;
+ case GSM0808_PERM_HR2:
+ case GSM0808_PERM_FR2:
+ return GSM48_CMODE_SPEECH_EFR;
+ break;
+ case GSM0808_PERM_HR3:
+ case GSM0808_PERM_FR3:
+ return GSM48_CMODE_SPEECH_AMR;
+ break;
+ default:
+ LOGP(DMSC, LOGL_FATAL, "Unsupported permitted speech selected, assuming AMR as channel mode...\n");
+ return GSM48_CMODE_SPEECH_AMR;
+ }
+}
+
+/* Helper function for match_codec_pref(), looks up a matching permitted speech
+ * value for a given msc audio codec pref */
+enum gsm0808_permitted_speech audio_support_to_gsm88(struct gsm_audio_support *audio)
+{
+ if (audio->hr) {
+ switch (audio->ver) {
+ case 1:
+ return GSM0808_PERM_HR1;
+ break;
+ case 2:
+ return GSM0808_PERM_HR2;
+ break;
+ case 3:
+ return GSM0808_PERM_HR3;
+ break;
+ default:
+ LOGP(DMSC, LOGL_ERROR, "Wrong speech mode: hr%d, using hr1 instead\n", audio->ver);
+ return GSM0808_PERM_HR1;
+ }
+ } else {
+ switch (audio->ver) {
+ case 1:
+ return GSM0808_PERM_FR1;
+ break;
+ case 2:
+ return GSM0808_PERM_FR2;
+ break;
+ case 3:
+ return GSM0808_PERM_FR3;
+ break;
+ default:
+ LOGP(DMSC, LOGL_ERROR, "Wrong speech mode: fr%d, using fr1 instead\n", audio->ver);
+ return GSM0808_PERM_FR1;
+ }
+ }
+}
+
+/* Helper function for match_codec_pref(), tests if a given audio support
+ * matches one of the permitted speech settings of the channel type element.
+ * The matched permitted speech value is then also compared against the
+ * speech codec list. (optional, only relevant for AoIP) */
+static bool test_codec_pref(const struct gsm0808_channel_type *ct,
+ const struct gsm0808_speech_codec_list *scl, uint8_t perm_spch)
+{
+ unsigned int i;
+ bool match = false;
+ struct gsm0808_speech_codec sc;
+ int rc;
+
+ /* Try to find the given permitted speech value in the
+ * codec list of the channel type element */
+ for (i = 0; i < ct->perm_spch_len; i++) {
+ if (ct->perm_spch[i] == perm_spch) {
+ match = true;
+ break;
+ }
+ }
+
+ /* If we do not have a speech codec list to test against,
+ * we just exit early (will be always the case in non-AoIP networks) */
+ if (!scl)
+ return match;
+
+ /* If we failed to match until here, there is no
+ * point in testing further */
+ if (match == false)
+ return false;
+
+ /* Extrapolate speech codec data */
+ rc = gsm0808_speech_codec_from_chan_type(&sc, perm_spch);
+ if (rc < 0)
+ return false;
+
+ /* Try to find extrapolated speech codec data in
+ * the speech codec list */
+ for (i = 0; i < scl->len; i++) {
+ if (sc.type == scl->codec[i].type)
+ return true;
+ }
+
+ return false;
+}
+
+/*! Helper function for bssmap_handle_assignm_req(), matches the codec
+ * preferences from the MSC with the codec preferences
+ * \param[out] full_rate '1' if full-rate, '0' if half-rate, '-1' if no match
+ * \param[out] chan_mode GSM 04.08 channel mode
+ * \param[in] ct GSM 08.08 channel type
+ * \param[in] scl GSM 08.08 speech codec list
+ * \param[in] msc MSC data [for configuration]
+ * \returns 0 on success, -1 in case no match was found */
+int match_codec_pref(int *full_rate, enum gsm48_chan_mode *chan_mode,
+ const struct gsm0808_channel_type *ct,
+ const struct gsm0808_speech_codec_list *scl, const struct bsc_msc_data *msc)
+{
+ unsigned int i;
+ uint8_t perm_spch;
+ bool match = false;
+
+ for (i = 0; i < msc->audio_length; i++) {
+ perm_spch = audio_support_to_gsm88(msc->audio_support[i]);
+ if (test_codec_pref(ct, scl, perm_spch)) {
+ match = true;
+ break;
+ }
+ }
+
+ /* Exit without result, in case no match can be deteched */
+ if (!match) {
+ *full_rate = -1;
+ *chan_mode = GSM48_CMODE_SIGN;
+ return -1;
+ }
+
+ /* Check if the result is a half or full rate codec */
+ if (perm_spch == GSM0808_PERM_HR1 || perm_spch == GSM0808_PERM_HR2 || perm_spch == GSM0808_PERM_HR3
+ || perm_spch == GSM0808_PERM_HR4 || perm_spch == GSM0808_PERM_HR6)
+ *full_rate = 0;
+ else
+ *full_rate = 1;
+
+ /* Lookup a channel mode for the selected codec */
+ *chan_mode = gsm88_to_chan_mode(perm_spch);
+
+ return 0;
+}
diff --git a/src/osmo-bsc/osmo_bsc_bssap.c b/src/osmo-bsc/osmo_bsc_bssap.c
index c2d51b5..96cc2c5 100644
--- a/src/osmo-bsc/osmo_bsc_bssap.c
+++ b/src/osmo-bsc/osmo_bsc_bssap.c
@@ -22,17 +22,13 @@
#include <osmocom/bsc/osmo_bsc.h>
#include <osmocom/bsc/osmo_bsc_grace.h>
#include <osmocom/bsc/osmo_bsc_rf.h>
-#include <osmocom/bsc/bsc_msc_data.h>
#include <osmocom/bsc/debug.h>
#include <osmocom/bsc/bsc_subscriber.h>
#include <osmocom/bsc/paging.h>
#include <osmocom/bsc/gsm_04_08_utils.h>
#include <osmocom/bsc/bsc_subscr_conn_fsm.h>
-
-#include <osmocom/gsm/protocol/gsm_08_08.h>
+#include <osmocom/bsc/codec_pref.h>
#include <osmocom/gsm/gsm0808.h>
-#include <osmocom/gsm/gsm0808_utils.h>
-#include <osmocom/gsm/gsm48.h>
#include <osmocom/bsc/osmo_bsc_sigtran.h>
#include <osmocom/bsc/osmo_bsc_lcls.h>
#include <osmocom/bsc/a_reset.h>
@@ -45,161 +41,6 @@
* helpers for the assignment command
*/
-/* Helper function for match_codec_pref(), looks up a matching permitted speech
- * value for a given msc audio codec pref */
-enum gsm0808_permitted_speech audio_support_to_gsm88(struct gsm_audio_support *audio)
-{
- if (audio->hr) {
- switch (audio->ver) {
- case 1:
- return GSM0808_PERM_HR1;
- break;
- case 2:
- return GSM0808_PERM_HR2;
- break;
- case 3:
- return GSM0808_PERM_HR3;
- break;
- default:
- LOGP(DMSC, LOGL_ERROR, "Wrong speech mode: hr%d, using hr1 instead\n",
- audio->ver);
- return GSM0808_PERM_HR1;
- }
- } else {
- switch (audio->ver) {
- case 1:
- return GSM0808_PERM_FR1;
- break;
- case 2:
- return GSM0808_PERM_FR2;
- break;
- case 3:
- return GSM0808_PERM_FR3;
- break;
- default:
- LOGP(DMSC, LOGL_ERROR, "Wrong speech mode: fr%d, using fr1 instead\n",
- audio->ver);
- return GSM0808_PERM_FR1;
- }
- }
-}
-
-/* Helper function for match_codec_pref(), looks up a matching chan mode for
- * a given permitted speech value */
-enum gsm48_chan_mode gsm88_to_chan_mode(enum gsm0808_permitted_speech speech)
-{
- switch (speech) {
- case GSM0808_PERM_HR1:
- case GSM0808_PERM_FR1:
- return GSM48_CMODE_SPEECH_V1;
- break;
- case GSM0808_PERM_HR2:
- case GSM0808_PERM_FR2:
- return GSM48_CMODE_SPEECH_EFR;
- break;
- case GSM0808_PERM_HR3:
- case GSM0808_PERM_FR3:
- return GSM48_CMODE_SPEECH_AMR;
- break;
- default:
- LOGP(DMSC, LOGL_FATAL,
- "Unsupported permitted speech selected, assuming AMR as channel mode...\n");
- return GSM48_CMODE_SPEECH_AMR;
- }
-}
-
-/* Helper function for match_codec_pref(), tests if a given audio support
- * matches one of the permitted speech settings of the channel type element.
- * The matched permitted speech value is then also compared against the
- * speech codec list. (optional, only relevant for AoIP) */
-static bool test_codec_pref(const struct gsm0808_channel_type *ct,
- const struct gsm0808_speech_codec_list *scl,
- uint8_t perm_spch)
-{
- unsigned int i;
- bool match = false;
- struct gsm0808_speech_codec sc;
- int rc;
-
- /* Try to finde the given permitted speech value in the
- * codec list of the channel type element */
- for (i = 0; i < ct->perm_spch_len; i++) {
- if (ct->perm_spch[i] == perm_spch) {
- match = true;
- break;
- }
- }
-
- /* If we do not have a speech codec list to test against,
- * we just exit early (will be always the case in non-AoIP networks) */
- if (!scl)
- return match;
-
- /* If we failed to match until here, there is no
- * point in testing further */
- if (match == false)
- return false;
-
- /* Extrapolate speech codec data */
- rc = gsm0808_speech_codec_from_chan_type(&sc, perm_spch);
- if (rc < 0)
- return false;
-
- /* Try to find extrapolated speech codec data in
- * the speech codec list */
- for (i = 0; i < scl->len; i++) {
- if (sc.type == scl->codec[i].type)
- return true;
- }
-
- return false;
-}
-
-/*! Helper function for bssmap_handle_assignm_req(), matches the codec
- * preferences from the MSC with the codec preferences
- * \param[out] full_rate '1' if full-rate, '0' if half-rate, '-1' if no match
- * \param[out] chan_mode GSM 04.08 channel mode
- * \param[in] ct GSM 08.08 channel type
- * \param[in] scl GSM 08.08 speech codec list
- * \param[in] msc MSC data [for configuration]
- * \returns 0 on success, -1 in case no match was found */
-static int match_codec_pref(int *full_rate, enum gsm48_chan_mode *chan_mode,
- const struct gsm0808_channel_type *ct,
- const struct gsm0808_speech_codec_list *scl,
- const struct bsc_msc_data *msc)
-{
- unsigned int i;
- uint8_t perm_spch;
- bool match = false;
-
- for (i = 0; i < msc->audio_length; i++) {
- perm_spch = audio_support_to_gsm88(msc->audio_support[i]);
- if (test_codec_pref(ct, scl, perm_spch)) {
- match = true;
- break;
- }
- }
-
- /* Exit without result, in case no match can be deteched */
- if (!match) {
- *full_rate = -1;
- *chan_mode = GSM48_CMODE_SIGN;
- return -1;
- }
-
- /* Check if the result is a half or full rate codec */
- if (perm_spch == GSM0808_PERM_HR1 || perm_spch == GSM0808_PERM_HR2
- || perm_spch == GSM0808_PERM_HR3 || perm_spch == GSM0808_PERM_HR4
- || perm_spch == GSM0808_PERM_HR6)
- *full_rate = 0;
- else
- *full_rate = 1;
-
- /* Lookup a channel mode for the selected codec */
- *chan_mode = gsm88_to_chan_mode(perm_spch);
-
- return 0;
-}
static int bssmap_handle_reset_ack(struct bsc_msc_data *msc,
struct msgb *msg, unsigned int length)
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 95d836b..9b4cfe4 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -1,5 +1,6 @@
SUBDIRS = \
bsc \
+ codec_pref \
gsm0408 \
abis \
subscr \
diff --git a/tests/codec_pref/Makefile.am b/tests/codec_pref/Makefile.am
new file mode 100644
index 0000000..e000252
--- /dev/null
+++ b/tests/codec_pref/Makefile.am
@@ -0,0 +1,34 @@
+AM_CPPFLAGS = \
+ $(all_includes) \
+ -I$(top_srcdir)/include \
+ $(NULL)
+
+AM_CFLAGS = \
+ -Wall \
+ $(LIBOSMOCORE_CFLAGS) \
+ $(LIBOSMOGSM_CFLAGS) \
+ $(LIBOSMOABIS_CFLAGS) \
+ $(LIBOSMOSIGTRAN_CFLAGS) \
+ $(NULL)
+
+AM_LDFLAGS = \
+ $(NULL)
+
+EXTRA_DIST = \
+ codec_pref_test.ok \
+ $(NULL)
+
+noinst_PROGRAMS = \
+ codec_pref_test \
+ $(NULL)
+
+codec_pref_test_SOURCES = \
+ codec_pref_test.c \
+ $(NULL)
+
+codec_pref_test_LDADD = \
+ $(top_builddir)/src/osmo-bsc/codec_pref.o \
+ $(LIBOSMOCORE_LIBS) \
+ $(LIBOSMOGSM_LIBS) \
+ -lrt \
+ $(NULL)
diff --git a/tests/codec_pref/codec_pref_test.c b/tests/codec_pref/codec_pref_test.c
new file mode 100644
index 0000000..73547ad
--- /dev/null
+++ b/tests/codec_pref/codec_pref_test.c
@@ -0,0 +1,498 @@
+/*
+ * (C) 2018 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ * All Rights Reserved
+ *
+ * Author: Philipp Maier
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <osmocom/bsc/osmo_bsc.h>
+#include <osmocom/bsc/bsc_msc_data.h>
+#include <osmocom/bsc/gsm_04_80.h>
+#include <osmocom/core/application.h>
+#include <osmocom/bsc/codec_pref.h>
+
+#include <stdio.h>
+
+void *ctx = NULL;
+
+#define MSC_AUDIO_SUPPORT_MAX 5
+#define N_CONFIG_VARIANTS 9
+
+/* Make sure that there is some memory to put our test configuration. */
+static void init_msc_config(struct bsc_msc_data *msc)
+{
+ unsigned int i;
+
+ msc->audio_support = talloc_zero_array(ctx, struct gsm_audio_support *, MSC_AUDIO_SUPPORT_MAX);
+ msc->audio_length = MSC_AUDIO_SUPPORT_MAX;
+ for (i = 0; i < MSC_AUDIO_SUPPORT_MAX; i++) {
+ msc->audio_support[i] = talloc_zero(msc->audio_support, struct gsm_audio_support);
+ }
+}
+
+/* Free memory that we have used for the test configuration. */
+static void free_msc_config(struct bsc_msc_data *msc)
+{
+ talloc_free(msc->audio_support);
+}
+
+/* The speech codec list is sent by the MS and lists the voice codec settings
+ * that the MS is able to support. The BSC must select one of this codecs
+ * depending on what the MSC is able to support. The following function
+ * generates some realistically made up speech codec lists. */
+static void make_scl_config(struct gsm0808_speech_codec_list *scl, uint8_t config_no)
+{
+ OSMO_ASSERT(config_no < N_CONFIG_VARIANTS);
+
+ switch (config_no) {
+ case 0:
+ /* FR1 only */
+ scl->codec[0].type = GSM0808_SCT_FR1;
+ scl->len = 1;
+ break;
+ case 1:
+ /* HR1 only */
+ scl->codec[0].type = GSM0808_SCT_HR1;
+ scl->len = 1;
+ break;
+ case 2:
+ /* FR2 only */
+ scl->codec[0].type = GSM0808_SCT_FR2;
+ scl->len = 1;
+ break;
+ case 3:
+ /* FR3 only */
+ scl->codec[0].type = GSM0808_SCT_FR3;
+ scl->len = 1;
+ break;
+ case 4:
+ /* HR3 only */
+ scl->codec[0].type = GSM0808_SCT_HR3;
+ scl->len = 1;
+ break;
+ case 5:
+ /* FR1 and HR1 */
+ scl->codec[0].type = GSM0808_SCT_FR1;
+ scl->codec[1].type = GSM0808_SCT_HR1;
+ scl->len = 2;
+ break;
+ case 6:
+ /* FR1, FR2 and HR1 */
+ scl->codec[0].type = GSM0808_SCT_FR1;
+ scl->codec[1].type = GSM0808_SCT_FR2;
+ scl->codec[2].type = GSM0808_SCT_HR1;
+ scl->len = 3;
+ break;
+ case 7:
+ /* FR1, FR3 and HR3 */
+ scl->codec[0].type = GSM0808_SCT_FR1;
+ scl->codec[1].type = GSM0808_SCT_FR3;
+ scl->codec[2].type = GSM0808_SCT_HR3;
+ scl->len = 3;
+ break;
+ case 8:
+ /* FR1, FR2, FR3, HR1 and HR3 */
+ scl->codec[0].type = GSM0808_SCT_FR1;
+ scl->codec[1].type = GSM0808_SCT_FR2;
+ scl->codec[2].type = GSM0808_SCT_FR3;
+ scl->codec[3].type = GSM0808_SCT_HR1;
+ scl->codec[4].type = GSM0808_SCT_HR3;
+ scl->len = 5;
+ break;
+ }
+}
+
+/* The channel type element which is sent to the BSC by the MSC lists all the
+ * codecs that the MSC is able to support. The following function generates
+ * a realistic permitted speech settings */
+static void make_ct_config(struct gsm0808_channel_type *ct, uint8_t config_no)
+{
+ OSMO_ASSERT(config_no < N_CONFIG_VARIANTS);
+
+ switch (config_no) {
+ case 0:
+ /* FR1 only */
+ ct->perm_spch[0] = GSM0808_PERM_FR1;
+ ct->perm_spch_len = 1;
+ break;
+ case 1:
+ /* HR1 only */
+ ct->perm_spch[0] = GSM0808_PERM_HR1;
+ ct->perm_spch_len = 1;
+ break;
+ case 2:
+ /* FR2 only */
+ ct->perm_spch[0] = GSM0808_PERM_FR2;
+ ct->perm_spch_len = 1;
+ break;
+ case 3:
+ /* FR3 only */
+ ct->perm_spch[0] = GSM0808_PERM_FR3;
+ ct->perm_spch_len = 1;
+ break;
+ case 4:
+ /* HR3 only */
+ ct->perm_spch[0] = GSM0808_PERM_HR3;
+ ct->perm_spch_len = 1;
+ break;
+ case 5:
+ /* FR1 and HR1 */
+ ct->perm_spch[0] = GSM0808_PERM_FR1;
+ ct->perm_spch[1] = GSM0808_PERM_HR1;
+ ct->perm_spch_len = 2;
+ break;
+ case 6:
+ /* FR1, FR2 and HR1 */
+ ct->perm_spch[0] = GSM0808_PERM_FR1;
+ ct->perm_spch[1] = GSM0808_PERM_FR2;
+ ct->perm_spch[2] = GSM0808_PERM_HR1;
+ ct->perm_spch_len = 3;
+ break;
+ case 7:
+ /* FR1, FR3 and HR3 */
+ ct->perm_spch[0] = GSM0808_PERM_FR1;
+ ct->perm_spch[1] = GSM0808_PERM_FR3;
+ ct->perm_spch[2] = GSM0808_PERM_HR3;
+ ct->perm_spch_len = 3;
+ break;
+ case 8:
+ /* FR1, FR2, FR3, HR1 and HR3 */
+ ct->perm_spch[0] = GSM0808_PERM_FR1;
+ ct->perm_spch[1] = GSM0808_PERM_FR2;
+ ct->perm_spch[2] = GSM0808_PERM_FR3;
+ ct->perm_spch[3] = GSM0808_PERM_HR1;
+ ct->perm_spch[4] = GSM0808_PERM_HR3;
+ ct->perm_spch_len = 5;
+ break;
+ }
+}
+
+/* Generate some realistic MSC configuration which one also could find in the
+ * real world. This configuration acts as a filter. While the MSC could in
+ * theory advertise codecs more codecs as we are able to support we have to
+ * make sure that only the codecs we have support for are considered. */
+static void make_msc_config(struct bsc_msc_data *msc, uint8_t config_no)
+{
+ /* 1 = FR1/HR1
+ * 2 = FR2/HR2
+ * 3 = FR2/HR3
+ * Note: HR2 is deprecated */
+
+ OSMO_ASSERT(config_no < N_CONFIG_VARIANTS);
+
+ switch (config_no) {
+ case 0:
+ /* FR1 only */
+ msc->audio_support[0]->ver = 1;
+ msc->audio_support[0]->hr = 0;
+ msc->audio_length = 1;
+ break;
+ case 1:
+ /* HR1 only */
+ msc->audio_support[0]->ver = 1;
+ msc->audio_support[0]->hr = 1;
+ msc->audio_length = 1;
+ break;
+ case 2:
+ /* FR2 only */
+ msc->audio_support[0]->ver = 2;
+ msc->audio_support[0]->hr = 0;
+ msc->audio_length = 1;
+ break;
+ case 3:
+ /* FR3 only */
+ msc->audio_support[0]->ver = 3;
+ msc->audio_support[0]->hr = 0;
+ msc->audio_length = 1;
+ break;
+ case 4:
+ /* HR3 only */
+ msc->audio_support[0]->ver = 3;
+ msc->audio_support[0]->hr = 1;
+ msc->audio_length = 1;
+ break;
+ case 5:
+ /* FR1 and HR1 */
+ msc->audio_support[0]->ver = 1;
+ msc->audio_support[0]->hr = 0;
+ msc->audio_support[1]->ver = 1;
+ msc->audio_support[1]->hr = 1;
+ msc->audio_length = 2;
+ break;
+ case 6:
+ /* FR1, FR2 and HR1 */
+ msc->audio_support[0]->ver = 1;
+ msc->audio_support[0]->hr = 0;
+ msc->audio_support[1]->ver = 2;
+ msc->audio_support[1]->hr = 0;
+ msc->audio_support[2]->ver = 1;
+ msc->audio_support[2]->hr = 1;
+ msc->audio_length = 3;
+ break;
+ case 7:
+ /* FR1, FR3 and HR3 */
+ msc->audio_support[0]->ver = 1;
+ msc->audio_support[0]->hr = 0;
+ msc->audio_support[1]->ver = 3;
+ msc->audio_support[1]->hr = 0;
+ msc->audio_support[2]->ver = 3;
+ msc->audio_support[2]->hr = 1;
+ msc->audio_length = 3;
+ break;
+ case 8:
+ /* FR1, FR2, FR3, HR1 and HR3 */
+ msc->audio_support[0]->ver = 1;
+ msc->audio_support[0]->hr = 0;
+ msc->audio_support[1]->ver = 2;
+ msc->audio_support[1]->hr = 0;
+ msc->audio_support[2]->ver = 3;
+ msc->audio_support[2]->hr = 0;
+ msc->audio_support[3]->ver = 1;
+ msc->audio_support[3]->hr = 1;
+ msc->audio_support[4]->ver = 3;
+ msc->audio_support[4]->hr = 1;
+ msc->audio_length = 5;
+ break;
+ }
+}
+
+/* Try execute match_codec_pref(), display input and output parameters */
+static int test_match_codec_pref(const struct gsm0808_channel_type *ct,
+ const struct gsm0808_speech_codec_list *scl, const struct bsc_msc_data *msc)
+{
+ int rc;
+ unsigned int i;
+ int full_rate;
+ enum gsm48_chan_mode chan_mode;
+
+ printf("Determining channel mode and rate:\n");
+
+ printf(" * MS: speech codec list (%u items):\n", scl->len);
+ for (i = 0; i < scl->len; i++)
+ printf(" codec[%u]->type=%s\n", i, gsm0808_speech_codec_type_name(scl->codec[i].type));
+
+ printf(" * MSC: channel type permitted speech (%u items):\n", ct->perm_spch_len);
+ for (i = 0; i < ct->perm_spch_len; i++)
+ printf(" perm_spch[%u]=%s\n", i, gsm0808_permitted_speech_name(ct->perm_spch[i]));
+
+ printf(" * BSS: audio support settings (%u items):\n", msc->audio_length);
+ for (i = 0; i < msc->audio_length; i++)
+ if (msc->audio_support[i]->hr)
+ printf(" audio_support[%u]=HR%u\n", i, msc->audio_support[i]->ver);
+ else
+ printf(" audio_support[%u]=FR%u\n", i, msc->audio_support[i]->ver);
+
+ rc = match_codec_pref(&full_rate, &chan_mode, ct, scl, msc);
+ printf(" * result: rc=%i, full_rate=%i, chan_mode=%s\n", rc, full_rate, gsm48_chan_mode_name(chan_mode));
+
+ printf("\n");
+
+ return rc;
+}
+
+/* MS, MSC and local MSC settings are the same */
+static void test_one_to_one(void)
+{
+ unsigned int i;
+ struct gsm0808_channel_type ct_msc;
+ struct gsm0808_speech_codec_list scl_ms;
+ struct bsc_msc_data msc_local;
+ int rc;
+
+ printf("============== test_one_to_one ==============\n\n");
+
+ init_msc_config(&msc_local);
+
+ for (i = 0; i < N_CONFIG_VARIANTS; i++) {
+ make_msc_config(&msc_local, i);
+ make_scl_config(&scl_ms, i);
+ make_ct_config(&ct_msc, i);
+ rc = test_match_codec_pref(&ct_msc, &scl_ms, &msc_local);
+ OSMO_ASSERT(rc == 0);
+ }
+
+ free_msc_config(&msc_local);
+}
+
+/* Network supports all combinations, MS varies */
+static void test_ms(void)
+{
+ unsigned int i;
+ struct gsm0808_channel_type ct_msc;
+ struct gsm0808_speech_codec_list scl_ms;
+ struct bsc_msc_data msc_local;
+ int rc;
+
+ printf("============== test_ms ==============\n\n");
+
+ init_msc_config(&msc_local);
+
+ make_msc_config(&msc_local, 8);
+ make_ct_config(&ct_msc, 8);
+ for (i = 0; i < N_CONFIG_VARIANTS; i++) {
+ make_scl_config(&scl_ms, i);
+ rc = test_match_codec_pref(&ct_msc, &scl_ms, &msc_local);
+ OSMO_ASSERT(rc == 0);
+ }
+
+ free_msc_config(&msc_local);
+}
+
+/* BSS and MS support all combinations, MSC varies */
+static void test_ct(void)
+{
+ unsigned int i;
+ struct gsm0808_channel_type ct_msc;
+ struct gsm0808_speech_codec_list scl_ms;
+ struct bsc_msc_data msc_local;
+ int rc;
+
+ printf("============== test_ct ==============\n\n");
+
+ init_msc_config(&msc_local);
+
+ make_msc_config(&msc_local, 8);
+ make_scl_config(&scl_ms, 8);
+ for (i = 0; i < N_CONFIG_VARIANTS; i++) {
+ make_ct_config(&ct_msc, i);
+ rc = test_match_codec_pref(&ct_msc, &scl_ms, &msc_local);
+ OSMO_ASSERT(rc == 0);
+ }
+
+ free_msc_config(&msc_local);
+}
+
+/* MSC and MS support all combinations, BSS varies */
+static void test_msc(void)
+{
+ unsigned int i;
+ struct gsm0808_channel_type ct_msc;
+ struct gsm0808_speech_codec_list scl_ms;
+ struct bsc_msc_data msc_local;
+ int rc;
+
+ printf("============== test_msc ==============\n\n");
+
+ init_msc_config(&msc_local);
+
+ make_ct_config(&ct_msc, 8);
+ make_scl_config(&scl_ms, 8);
+ for (i = 0; i < N_CONFIG_VARIANTS; i++) {
+ make_msc_config(&msc_local, 8);
+ rc = test_match_codec_pref(&ct_msc, &scl_ms, &msc_local);
+ OSMO_ASSERT(rc == 0);
+ }
+
+ free_msc_config(&msc_local);
+}
+
+/* Some mixed configurations that are supposed to work */
+static void test_selected_working(void)
+{
+ struct gsm0808_channel_type ct_msc;
+ struct gsm0808_speech_codec_list scl_ms;
+ struct bsc_msc_data msc_local;
+ int rc;
+
+ printf("============== test_selected_working ==============\n\n");
+
+ init_msc_config(&msc_local);
+
+ make_scl_config(&scl_ms, 6);
+ make_ct_config(&ct_msc, 5);
+ make_msc_config(&msc_local, 7);
+ rc = test_match_codec_pref(&ct_msc, &scl_ms, &msc_local);
+ OSMO_ASSERT(rc == 0);
+
+ make_scl_config(&scl_ms, 0);
+ make_ct_config(&ct_msc, 5);
+ make_msc_config(&msc_local, 7);
+ rc = test_match_codec_pref(&ct_msc, &scl_ms, &msc_local);
+ OSMO_ASSERT(rc == 0);
+
+ make_scl_config(&scl_ms, 1);
+ make_ct_config(&ct_msc, 5);
+ make_msc_config(&msc_local, 6);
+ rc = test_match_codec_pref(&ct_msc, &scl_ms, &msc_local);
+ OSMO_ASSERT(rc == 0);
+
+ free_msc_config(&msc_local);
+}
+
+/* Some mixed configurations that can not work */
+static void test_selected_non_working(void)
+{
+ struct gsm0808_channel_type ct_msc;
+ struct gsm0808_speech_codec_list scl_ms;
+ struct bsc_msc_data msc_local;
+ int rc;
+
+ printf("============== test_selected_non_working ==============\n\n");
+
+ init_msc_config(&msc_local);
+
+ make_scl_config(&scl_ms, 1);
+ make_ct_config(&ct_msc, 5);
+ make_msc_config(&msc_local, 7);
+ rc = test_match_codec_pref(&ct_msc, &scl_ms, &msc_local);
+ OSMO_ASSERT(rc == -1);
+
+ make_scl_config(&scl_ms, 1);
+ make_ct_config(&ct_msc, 5);
+ make_msc_config(&msc_local, 7);
+ rc = test_match_codec_pref(&ct_msc, &scl_ms, &msc_local);
+ OSMO_ASSERT(rc == -1);
+
+ make_scl_config(&scl_ms, 1);
+ make_ct_config(&ct_msc, 4);
+ make_msc_config(&msc_local, 6);
+ rc = test_match_codec_pref(&ct_msc, &scl_ms, &msc_local);
+ OSMO_ASSERT(rc == -1);
+
+ free_msc_config(&msc_local);
+}
+
+static const struct log_info_cat log_categories[] = {
+ [DMSC] = {
+ .name = "DMSC",
+ .description = "Mobile Switching Center",
+ .enabled = 1,.loglevel = LOGL_NOTICE,
+ },
+};
+
+static const struct log_info log_info = {
+ .cat = log_categories,
+ .num_cat = ARRAY_SIZE(log_categories),
+};
+
+int main(int argc, char **argv)
+{
+ ctx = talloc_named_const(NULL, 0, "codec_pref_test");
+ msgb_talloc_ctx_init(ctx, 0);
+ osmo_init_logging2(ctx, &log_info);
+
+ test_one_to_one();
+ test_ms();
+ test_ct();
+ test_msc();
+ test_selected_working();
+ test_selected_non_working();
+
+ printf("Testing execution completed.\n");
+ talloc_free(ctx);
+ return 0;
+}
diff --git a/tests/codec_pref/codec_pref_test.ok b/tests/codec_pref/codec_pref_test.ok
new file mode 100644
index 0000000..f97fbb1
--- /dev/null
+++ b/tests/codec_pref/codec_pref_test.ok
@@ -0,0 +1,707 @@
+============== test_one_to_one ==============
+
+Determining channel mode and rate:
+ * MS: speech codec list (1 items):
+ codec[0]->type=FR1
+ * MSC: channel type permitted speech (1 items):
+ perm_spch[0]=FR1
+ * BSS: audio support settings (1 items):
+ audio_support[0]=FR1
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_V1
+
+Determining channel mode and rate:
+ * MS: speech codec list (1 items):
+ codec[0]->type=HR1
+ * MSC: channel type permitted speech (1 items):
+ perm_spch[0]=HR1
+ * BSS: audio support settings (1 items):
+ audio_support[0]=HR1
+ * result: rc=0, full_rate=0, chan_mode=SPEECH_V1
+
+Determining channel mode and rate:
+ * MS: speech codec list (1 items):
+ codec[0]->type=FR2
+ * MSC: channel type permitted speech (1 items):
+ perm_spch[0]=FR2
+ * BSS: audio support settings (1 items):
+ audio_support[0]=FR2
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_EFR
+
+Determining channel mode and rate:
+ * MS: speech codec list (1 items):
+ codec[0]->type=FR3
+ * MSC: channel type permitted speech (1 items):
+ perm_spch[0]=FR3
+ * BSS: audio support settings (1 items):
+ audio_support[0]=FR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_AMR
+
+Determining channel mode and rate:
+ * MS: speech codec list (1 items):
+ codec[0]->type=HR3
+ * MSC: channel type permitted speech (1 items):
+ perm_spch[0]=HR3
+ * BSS: audio support settings (1 items):
+ audio_support[0]=HR3
+ * result: rc=0, full_rate=0, chan_mode=SPEECH_AMR
+
+Determining channel mode and rate:
+ * MS: speech codec list (2 items):
+ codec[0]->type=FR1
+ codec[1]->type=HR1
+ * MSC: channel type permitted speech (2 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=HR1
+ * BSS: audio support settings (2 items):
+ audio_support[0]=FR1
+ audio_support[1]=HR1
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_V1
+
+Determining channel mode and rate:
+ * MS: speech codec list (3 items):
+ codec[0]->type=FR1
+ codec[1]->type=FR2
+ codec[2]->type=HR1
+ * MSC: channel type permitted speech (3 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=FR2
+ perm_spch[2]=HR1
+ * BSS: audio support settings (3 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=HR1
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_V1
+
+Determining channel mode and rate:
+ * MS: speech codec list (3 items):
+ codec[0]->type=FR1
+ codec[1]->type=FR3
+ codec[2]->type=HR3
+ * MSC: channel type permitted speech (3 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=FR3
+ perm_spch[2]=HR3
+ * BSS: audio support settings (3 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR3
+ audio_support[2]=HR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_V1
+
+Determining channel mode and rate:
+ * MS: speech codec list (5 items):
+ codec[0]->type=FR1
+ codec[1]->type=FR2
+ codec[2]->type=FR3
+ codec[3]->type=HR1
+ codec[4]->type=HR3
+ * MSC: channel type permitted speech (5 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=FR2
+ perm_spch[2]=FR3
+ perm_spch[3]=HR1
+ perm_spch[4]=HR3
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_V1
+
+============== test_ms ==============
+
+Determining channel mode and rate:
+ * MS: speech codec list (1 items):
+ codec[0]->type=FR1
+ * MSC: channel type permitted speech (5 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=FR2
+ perm_spch[2]=FR3
+ perm_spch[3]=HR1
+ perm_spch[4]=HR3
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_V1
+
+Determining channel mode and rate:
+ * MS: speech codec list (1 items):
+ codec[0]->type=HR1
+ * MSC: channel type permitted speech (5 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=FR2
+ perm_spch[2]=FR3
+ perm_spch[3]=HR1
+ perm_spch[4]=HR3
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=0, chan_mode=SPEECH_V1
+
+Determining channel mode and rate:
+ * MS: speech codec list (1 items):
+ codec[0]->type=FR2
+ * MSC: channel type permitted speech (5 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=FR2
+ perm_spch[2]=FR3
+ perm_spch[3]=HR1
+ perm_spch[4]=HR3
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_EFR
+
+Determining channel mode and rate:
+ * MS: speech codec list (1 items):
+ codec[0]->type=FR3
+ * MSC: channel type permitted speech (5 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=FR2
+ perm_spch[2]=FR3
+ perm_spch[3]=HR1
+ perm_spch[4]=HR3
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_AMR
+
+Determining channel mode and rate:
+ * MS: speech codec list (1 items):
+ codec[0]->type=HR3
+ * MSC: channel type permitted speech (5 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=FR2
+ perm_spch[2]=FR3
+ perm_spch[3]=HR1
+ perm_spch[4]=HR3
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=0, chan_mode=SPEECH_AMR
+
+Determining channel mode and rate:
+ * MS: speech codec list (2 items):
+ codec[0]->type=FR1
+ codec[1]->type=HR1
+ * MSC: channel type permitted speech (5 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=FR2
+ perm_spch[2]=FR3
+ perm_spch[3]=HR1
+ perm_spch[4]=HR3
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_V1
+
+Determining channel mode and rate:
+ * MS: speech codec list (3 items):
+ codec[0]->type=FR1
+ codec[1]->type=FR2
+ codec[2]->type=HR1
+ * MSC: channel type permitted speech (5 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=FR2
+ perm_spch[2]=FR3
+ perm_spch[3]=HR1
+ perm_spch[4]=HR3
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_V1
+
+Determining channel mode and rate:
+ * MS: speech codec list (3 items):
+ codec[0]->type=FR1
+ codec[1]->type=FR3
+ codec[2]->type=HR3
+ * MSC: channel type permitted speech (5 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=FR2
+ perm_spch[2]=FR3
+ perm_spch[3]=HR1
+ perm_spch[4]=HR3
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_V1
+
+Determining channel mode and rate:
+ * MS: speech codec list (5 items):
+ codec[0]->type=FR1
+ codec[1]->type=FR2
+ codec[2]->type=FR3
+ codec[3]->type=HR1
+ codec[4]->type=HR3
+ * MSC: channel type permitted speech (5 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=FR2
+ perm_spch[2]=FR3
+ perm_spch[3]=HR1
+ perm_spch[4]=HR3
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_V1
+
+============== test_ct ==============
+
+Determining channel mode and rate:
+ * MS: speech codec list (5 items):
+ codec[0]->type=FR1
+ codec[1]->type=FR2
+ codec[2]->type=FR3
+ codec[3]->type=HR1
+ codec[4]->type=HR3
+ * MSC: channel type permitted speech (1 items):
+ perm_spch[0]=FR1
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_V1
+
+Determining channel mode and rate:
+ * MS: speech codec list (5 items):
+ codec[0]->type=FR1
+ codec[1]->type=FR2
+ codec[2]->type=FR3
+ codec[3]->type=HR1
+ codec[4]->type=HR3
+ * MSC: channel type permitted speech (1 items):
+ perm_spch[0]=HR1
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=0, chan_mode=SPEECH_V1
+
+Determining channel mode and rate:
+ * MS: speech codec list (5 items):
+ codec[0]->type=FR1
+ codec[1]->type=FR2
+ codec[2]->type=FR3
+ codec[3]->type=HR1
+ codec[4]->type=HR3
+ * MSC: channel type permitted speech (1 items):
+ perm_spch[0]=FR2
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_EFR
+
+Determining channel mode and rate:
+ * MS: speech codec list (5 items):
+ codec[0]->type=FR1
+ codec[1]->type=FR2
+ codec[2]->type=FR3
+ codec[3]->type=HR1
+ codec[4]->type=HR3
+ * MSC: channel type permitted speech (1 items):
+ perm_spch[0]=FR3
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_AMR
+
+Determining channel mode and rate:
+ * MS: speech codec list (5 items):
+ codec[0]->type=FR1
+ codec[1]->type=FR2
+ codec[2]->type=FR3
+ codec[3]->type=HR1
+ codec[4]->type=HR3
+ * MSC: channel type permitted speech (1 items):
+ perm_spch[0]=HR3
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=0, chan_mode=SPEECH_AMR
+
+Determining channel mode and rate:
+ * MS: speech codec list (5 items):
+ codec[0]->type=FR1
+ codec[1]->type=FR2
+ codec[2]->type=FR3
+ codec[3]->type=HR1
+ codec[4]->type=HR3
+ * MSC: channel type permitted speech (2 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=HR1
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_V1
+
+Determining channel mode and rate:
+ * MS: speech codec list (5 items):
+ codec[0]->type=FR1
+ codec[1]->type=FR2
+ codec[2]->type=FR3
+ codec[3]->type=HR1
+ codec[4]->type=HR3
+ * MSC: channel type permitted speech (3 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=FR2
+ perm_spch[2]=HR1
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_V1
+
+Determining channel mode and rate:
+ * MS: speech codec list (5 items):
+ codec[0]->type=FR1
+ codec[1]->type=FR2
+ codec[2]->type=FR3
+ codec[3]->type=HR1
+ codec[4]->type=HR3
+ * MSC: channel type permitted speech (3 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=FR3
+ perm_spch[2]=HR3
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_V1
+
+Determining channel mode and rate:
+ * MS: speech codec list (5 items):
+ codec[0]->type=FR1
+ codec[1]->type=FR2
+ codec[2]->type=FR3
+ codec[3]->type=HR1
+ codec[4]->type=HR3
+ * MSC: channel type permitted speech (5 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=FR2
+ perm_spch[2]=FR3
+ perm_spch[3]=HR1
+ perm_spch[4]=HR3
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_V1
+
+============== test_msc ==============
+
+Determining channel mode and rate:
+ * MS: speech codec list (5 items):
+ codec[0]->type=FR1
+ codec[1]->type=FR2
+ codec[2]->type=FR3
+ codec[3]->type=HR1
+ codec[4]->type=HR3
+ * MSC: channel type permitted speech (5 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=FR2
+ perm_spch[2]=FR3
+ perm_spch[3]=HR1
+ perm_spch[4]=HR3
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_V1
+
+Determining channel mode and rate:
+ * MS: speech codec list (5 items):
+ codec[0]->type=FR1
+ codec[1]->type=FR2
+ codec[2]->type=FR3
+ codec[3]->type=HR1
+ codec[4]->type=HR3
+ * MSC: channel type permitted speech (5 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=FR2
+ perm_spch[2]=FR3
+ perm_spch[3]=HR1
+ perm_spch[4]=HR3
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_V1
+
+Determining channel mode and rate:
+ * MS: speech codec list (5 items):
+ codec[0]->type=FR1
+ codec[1]->type=FR2
+ codec[2]->type=FR3
+ codec[3]->type=HR1
+ codec[4]->type=HR3
+ * MSC: channel type permitted speech (5 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=FR2
+ perm_spch[2]=FR3
+ perm_spch[3]=HR1
+ perm_spch[4]=HR3
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_V1
+
+Determining channel mode and rate:
+ * MS: speech codec list (5 items):
+ codec[0]->type=FR1
+ codec[1]->type=FR2
+ codec[2]->type=FR3
+ codec[3]->type=HR1
+ codec[4]->type=HR3
+ * MSC: channel type permitted speech (5 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=FR2
+ perm_spch[2]=FR3
+ perm_spch[3]=HR1
+ perm_spch[4]=HR3
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_V1
+
+Determining channel mode and rate:
+ * MS: speech codec list (5 items):
+ codec[0]->type=FR1
+ codec[1]->type=FR2
+ codec[2]->type=FR3
+ codec[3]->type=HR1
+ codec[4]->type=HR3
+ * MSC: channel type permitted speech (5 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=FR2
+ perm_spch[2]=FR3
+ perm_spch[3]=HR1
+ perm_spch[4]=HR3
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_V1
+
+Determining channel mode and rate:
+ * MS: speech codec list (5 items):
+ codec[0]->type=FR1
+ codec[1]->type=FR2
+ codec[2]->type=FR3
+ codec[3]->type=HR1
+ codec[4]->type=HR3
+ * MSC: channel type permitted speech (5 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=FR2
+ perm_spch[2]=FR3
+ perm_spch[3]=HR1
+ perm_spch[4]=HR3
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_V1
+
+Determining channel mode and rate:
+ * MS: speech codec list (5 items):
+ codec[0]->type=FR1
+ codec[1]->type=FR2
+ codec[2]->type=FR3
+ codec[3]->type=HR1
+ codec[4]->type=HR3
+ * MSC: channel type permitted speech (5 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=FR2
+ perm_spch[2]=FR3
+ perm_spch[3]=HR1
+ perm_spch[4]=HR3
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_V1
+
+Determining channel mode and rate:
+ * MS: speech codec list (5 items):
+ codec[0]->type=FR1
+ codec[1]->type=FR2
+ codec[2]->type=FR3
+ codec[3]->type=HR1
+ codec[4]->type=HR3
+ * MSC: channel type permitted speech (5 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=FR2
+ perm_spch[2]=FR3
+ perm_spch[3]=HR1
+ perm_spch[4]=HR3
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_V1
+
+Determining channel mode and rate:
+ * MS: speech codec list (5 items):
+ codec[0]->type=FR1
+ codec[1]->type=FR2
+ codec[2]->type=FR3
+ codec[3]->type=HR1
+ codec[4]->type=HR3
+ * MSC: channel type permitted speech (5 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=FR2
+ perm_spch[2]=FR3
+ perm_spch[3]=HR1
+ perm_spch[4]=HR3
+ * BSS: audio support settings (5 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=FR3
+ audio_support[3]=HR1
+ audio_support[4]=HR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_V1
+
+============== test_selected_working ==============
+
+Determining channel mode and rate:
+ * MS: speech codec list (3 items):
+ codec[0]->type=FR1
+ codec[1]->type=FR2
+ codec[2]->type=HR1
+ * MSC: channel type permitted speech (2 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=HR1
+ * BSS: audio support settings (3 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR3
+ audio_support[2]=HR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_V1
+
+Determining channel mode and rate:
+ * MS: speech codec list (1 items):
+ codec[0]->type=FR1
+ * MSC: channel type permitted speech (2 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=HR1
+ * BSS: audio support settings (3 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR3
+ audio_support[2]=HR3
+ * result: rc=0, full_rate=1, chan_mode=SPEECH_V1
+
+Determining channel mode and rate:
+ * MS: speech codec list (1 items):
+ codec[0]->type=HR1
+ * MSC: channel type permitted speech (2 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=HR1
+ * BSS: audio support settings (3 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=HR1
+ * result: rc=0, full_rate=0, chan_mode=SPEECH_V1
+
+============== test_selected_non_working ==============
+
+Determining channel mode and rate:
+ * MS: speech codec list (1 items):
+ codec[0]->type=HR1
+ * MSC: channel type permitted speech (2 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=HR1
+ * BSS: audio support settings (3 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR3
+ audio_support[2]=HR3
+ * result: rc=-1, full_rate=-1, chan_mode=SIGNALLING
+
+Determining channel mode and rate:
+ * MS: speech codec list (1 items):
+ codec[0]->type=HR1
+ * MSC: channel type permitted speech (2 items):
+ perm_spch[0]=FR1
+ perm_spch[1]=HR1
+ * BSS: audio support settings (3 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR3
+ audio_support[2]=HR3
+ * result: rc=-1, full_rate=-1, chan_mode=SIGNALLING
+
+Determining channel mode and rate:
+ * MS: speech codec list (1 items):
+ codec[0]->type=HR1
+ * MSC: channel type permitted speech (1 items):
+ perm_spch[0]=HR3
+ * BSS: audio support settings (3 items):
+ audio_support[0]=FR1
+ audio_support[1]=FR2
+ audio_support[2]=HR1
+ * result: rc=-1, full_rate=-1, chan_mode=SIGNALLING
+
+Testing execution completed.
diff --git a/tests/testsuite.at b/tests/testsuite.at
index 515ffa0..f384655 100644
--- a/tests/testsuite.at
+++ b/tests/testsuite.at
@@ -26,6 +26,12 @@ cat $abs_srcdir/bsc/bsc_test.ok > expout
AT_CHECK([$abs_top_builddir/tests/bsc/bsc_test], [], [expout], [ignore])
AT_CLEANUP
+AT_SETUP([codec_pref])
+AT_KEYWORDS([codec_pref])
+cat $abs_srcdir/codec_pref/codec_pref_test.ok > expout
+AT_CHECK([$abs_top_builddir/tests/codec_pref/codec_pref_test], [], [expout], [ignore])
+AT_CLEANUP
+
AT_SETUP([nanobts_omlattr])
AT_KEYWORDS([nanobts_omlattr])
cat $abs_srcdir/nanobts_omlattr/nanobts_omlattr_test.ok > expout