msc_a: store BSS codec list from Compl L3

Related: SYS#5066
Change-Id: I7cdc348218433141a43d2e42750af02591688240
neels/codecs_fmtp
Neels Hofmeyr 11 months ago
parent 36d18d2f55
commit f74c466354
  1. 3
      include/osmocom/msc/msc_a.h
  2. 12
      src/libmsc/msc_a.c

@ -121,6 +121,9 @@ struct msc_a {
* \-------RTP--> (ISUP) <--RTP--> <--RTP-->
*/
struct {
/* Codec List (BSS Supported) as received during Complete Layer 3 Information */
struct gsm0808_speech_codec_list compl_l3_codec_list_bss_supported;
/* All of the RTP stream handling */
struct call_leg *call_leg;
struct mncc_call *mncc_forwarding_to_remote_ran;

@ -46,6 +46,7 @@
#include <osmocom/msc/call_leg.h>
#include <osmocom/msc/rtp_stream.h>
#include <osmocom/msc/msc_ho.h>
#include <osmocom/msc/codec_sdp_cc_t9n.h>
#define MSC_A_USE_WAIT_CLEAR_COMPLETE "wait-Clear-Complete"
@ -1430,6 +1431,17 @@ int msc_a_ran_dec_from_msc_i(struct msc_a *msc_a, struct msc_a_ran_dec_data *d)
.lai.plmn = msc_a_net(msc_a)->plmn,
};
gsm0808_cell_id_to_cgi(&msc_a->via_cell, msg->compl_l3.cell_id);
/* If a codec list was sent along in the RAN_MSG_COMPL_L3, remember it for any upcoming codec
* resolution. */
if (msg->compl_l3.codec_list_bss_supported) {
msc_a->cc.compl_l3_codec_list_bss_supported = *msg->compl_l3.codec_list_bss_supported;
if (log_check_level(msc_a->c.ran->log_subsys, LOGL_DEBUG)) {
struct sdp_audio_codecs ac = {};
sdp_audio_codecs_from_speech_codec_list(&ac, &msc_a->cc.compl_l3_codec_list_bss_supported);
LOG_MSC_A(msc_a, LOGL_DEBUG, "Complete Layer 3: Codec List (BSS Supported): %s\n",
sdp_audio_codecs_to_str(&ac));
}
}
rc = msc_a_up_l3(msc_a, msg->compl_l3.msg);
if (!rc) {
struct ran_conn *conn = msub_ran_conn(msc_a->c.msub);

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