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protect re-assignment codec choice from previous codec 

Change-Id: I268e19c032429e87ad8f6c949957a887bcb67650
This commit is contained in:
Neels Hofmeyr 2024-02-07 03:01:05 +01:00
parent 7eead3672c
commit de8a282d8d
1 changed files with 7 additions and 0 deletions
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7
src/libmsc/msc_a.c
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@ -641,6 +641,7 @@ void msc_a_tx_assignment_cmd(struct msc_a *msc_a)
struct ran_msg msg;
struct gsm_trans *cc_trans = msc_a->cc.active_trans;
struct gsm0808_channel_type channel_type;
struct sdp_audio_codec was_assignment;
if (!cc_trans) {
LOG_MSC_A(msc_a, LOGL_ERROR, "No CC transaction active\n");
@ -648,7 +649,13 @@ void msc_a_tx_assignment_cmd(struct msc_a *msc_a)
return;
}
/* Make sure any previously assigned codec doesn't override other codec preferences: clear any previously
* assigned codec. */
was_assignment = cc_trans->cc.codecs.assignment;
cc_trans->cc.codecs.assignment = (struct sdp_audio_codec){};
trans_cc_filter_run(cc_trans);
cc_trans->cc.codecs.assignment = was_assignment;
LOG_TRANS(cc_trans, LOGL_DEBUG, "Sending Assignment Command\n");
switch (cc_trans->bearer_cap.transfer) {