Changeset 6106 for pjproject/trunk/pjmedia/include/pjmedia/rtcp_fb.h

Timestamp:

Nov 13, 2019 9:11:04 AM (4 years ago)

Author:

nanang

Message:

Close #1437: Video keyframe request/response using RTCP-FB PLI.

File:

• pjproject/trunk/pjmedia/include/pjmedia/rtcp_fb.h (modified) (2 diffs)

pjproject/trunk/pjmedia/include/pjmedia/rtcp_fb.h

@@ -136 +136 @@
     /**
      * Specify whether transport protocol in SDP media description uses
-     * RTP/AVP instead of RTP/AVPF. Note that the standard mandates to signal
-     * AVPF profile, but it may cause SDP negotiation failure when negotiating
-     * with endpoints that does not support RTCP Feedback (including older
-     * version of PJSIP).
+     * RTP/AVP instead of RTP/AVPF. Note that RFC4585 mandates to signal
+     * RTP/AVPF profile, but it may cause SDP negotiation failure when
+     * negotiating with endpoints that does not support RTP/AVPF (including
+     * older version of PJSIP), furthermore, there is RFC8643 that promotes
+     * interoperability over the strictness of RTP profile specifications.
      *
-     * Default: PJ_FALSE.
+     * Default: PJ_TRUE.
      */
     pj_bool_t                dont_use_avpf;
@@ -295 +296 @@
 
 /**
+ * Decode RTCP Feedback specific information from SDP media for the specified
+ * payload type. If the payload type is set to negative value, it will decode
+ * RTCP Feedback info for all payload types in the SDP media.
+ *
+ * @param pool          Pool object to allocate memory.
+ * @param endpt         The media endpoint.
+ * @param opt           Options, currently it must be NULL.
+ * @param sdp           The SDP.
+ * @param med_idx       The SDP media index.
+ * @param pt            The payload type.
+ * @param info          The RTCP-FB info fetched from SDP.
+ *
+ * @return              PJ_SUCCESS on success.
+ */
+PJ_DECL(pj_status_t) pjmedia_rtcp_fb_decode_sdp2(
+                                    pj_pool_t *pool,
+                                    pjmedia_endpt *endpt,
+                                    const void *opt,
+                                    const pjmedia_sdp_session *sdp,
+                                    unsigned med_idx,
+                                    int pt,
+                                    pjmedia_rtcp_fb_info *info);
+
+
+/**
  * Build an RTCP Feedback Generic NACK packet. This packet can be appended to
  * other RTCP packets, e.g: RTCP RR/SR, to compose a compound RTCP packet.