diff options
Diffstat (limited to 'pjsip/include/pjsua2/call.hpp')
| -rw-r--r-- | pjsip/include/pjsua2/call.hpp | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/pjsip/include/pjsua2/call.hpp b/pjsip/include/pjsua2/call.hpp index 917965e5..bd0b1ee1 100644 --- a/pjsip/include/pjsua2/call.hpp +++ b/pjsip/include/pjsua2/call.hpp @@ -851,6 +851,19 @@ struct OnCallRxOfferParam }; /** + * This structure contains parameters for Call::onCallTxOffer() callback. + */ +struct OnCallTxOfferParam +{ + /** + * The current call setting, application can update this setting for + * generating the offer. Note that application should maintain any + * active media to avoid the need for the peer to reject the offer. + */ + CallSetting opt; +}; + +/** * This structure contains parameters for Call::onCallRedirected() callback. */ struct OnCallRedirectedParam @@ -1603,6 +1616,25 @@ public: { PJ_UNUSED_ARG(prm); } /** + * Notify application when call has received INVITE with no SDP offer. + * Application can update the call setting (e.g: add audio/video), or + * enable/disable codecs, or update other media session settings from + * within the callback, however, as mandated by the standard (RFC3261 + * section 14.2), it must ensure that the update overlaps with the + * existing media session (in codecs, transports, or other parameters) + * that require support from the peer, this is to avoid the need for + * the peer to reject the offer. + * + * When this callback is not implemented, the default behavior is to send + * SDP offer using current active media session (with all enabled codecs + * on each media type). + * + * @param prm Callback parameter. + */ + virtual void onCallTxOffer(OnCallTxOfferParam &prm) + { PJ_UNUSED_ARG(prm); } + + /** * Notify application on incoming MESSAGE request. * * @param prm Callback parameter. |