| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 1 | --- a/pjmedia/src/pjmedia/sdp_neg.c |
| 2 | +++ b/pjmedia/src/pjmedia/sdp_neg.c |
| 3 | @@ -304,7 +304,6 @@ PJ_DEF(pj_status_t) pjmedia_sdp_neg_modi |
| 4 | { |
| 5 | pjmedia_sdp_session *new_offer; |
| 6 | pjmedia_sdp_session *old_offer; |
| 7 | - char media_used[PJMEDIA_MAX_SDP_MEDIA]; |
| 8 | unsigned oi; /* old offer media index */ |
| 9 | pj_status_t status; |
| 10 | |
| 11 | @@ -323,8 +322,19 @@ PJ_DEF(pj_status_t) pjmedia_sdp_neg_modi |
| 12 | /* Change state to STATE_LOCAL_OFFER */ |
| 13 | neg->state = PJMEDIA_SDP_NEG_STATE_LOCAL_OFFER; |
| 14 | |
| 15 | + /* When there is no active local SDP in state PJMEDIA_SDP_NEG_STATE_DONE, |
| 16 | + * it means that the previous initial SDP nego must have been failed, |
| 17 | + * so we'll just set the local SDP offer here. |
| 18 | + */ |
| 19 | + if (!neg->active_local_sdp) { |
| 20 | + neg->initial_sdp_tmp = NULL; |
| 21 | + neg->initial_sdp = pjmedia_sdp_session_clone(pool, local); |
| 22 | + neg->neg_local_sdp = pjmedia_sdp_session_clone(pool, local); |
| 23 | + |
| 24 | + return PJ_SUCCESS; |
| 25 | + } |
| 26 | + |
| 27 | /* Init vars */ |
| 28 | - pj_bzero(media_used, sizeof(media_used)); |
| 29 | old_offer = neg->active_local_sdp; |
| 30 | new_offer = pjmedia_sdp_session_clone(pool, local); |
| 31 | |