Consolidate SFM material

w3c · Dec 12, 2023 · 37542ff · 37542ff
1 parent eabf6b5
commit 37542ff
Showing 1 changed file with 24 additions and 24 deletions.
diff --git a/index.html b/index.html
@@ -328,20 +328,20 @@ <h2>Discovery</h2>
         can decode all other {{RTCRtpEncodingParameters/scalabilityMode}} values
         supported by the encoder.
       </p>
-      <p>
-        The <a title="Selective Forwarding Middlebox">SFM</a>
-        can provide information on the codecs and scalability modes it can
-        decode by providing its receiver capabilities.
-        After exchanging capabilities, the application can compute the
-        intersection of codecs and {{RTCRtpEncodingParameters/scalabilityMode}}
-        values supported by the browser's {{RTCRtpSender}} and the
-        <a title="Selective Forwarding Middlebox">SFM</a>'s receiver. This
-        can be used to determine the arguments passed to the browser's
-        {{RTCPeerConnection/addTransceiver()}} and {{RTCRtpSender/setParameters()}}
-        methods.
-      </p>
       <section id="sfmnegotiation" class="informative">
-        <h2>Negotiation</h2>
+        <h2>Negotiation with an SFM</h2>
+          <p>
+            The <a title="Selective Forwarding Middlebox">SFM</a>
+            can provide information on the codecs and scalability modes it can
+            decode by providing its receiver capabilities.
+            After exchanging capabilities, the application can compute the
+            intersection of codecs and {{RTCRtpEncodingParameters/scalabilityMode}}
+            values supported by the browser's {{RTCRtpSender}} and the
+            <a title="Selective Forwarding Middlebox">SFM</a>'s receiver. This
+            can be used to determine the arguments passed to the browser's
+            {{RTCPeerConnection/addTransceiver()}} and {{RTCRtpSender/setParameters()}}
+            methods.
+          </p>
           <p>
             There are situations where an <a title="Selective Forwarding Middlebox">SFM</a>
             may only support reception of a subset of codecs and scalability modes.
@@ -368,17 +368,17 @@ <h2>Negotiation</h2>
             modes in its receiver capabilities.
           </p>
           <p>
-           For an <a title="Selective Forwarding Middlebox">SFM</a> the supported
-           {{RTCRtpEncodingParameters/scalabilityMode}} values may depend on the negotiated RTP
-           header extensions.  For example, if the <a title="Selective Forwarding Middlebox">SFM</a>
-           cannot parse codec payloads (either because it is not designed to do so, or
-           because the payloads are encrypted), then negotiation of an RTP header extension
-           (such as the AV1 Dependency Descriptor defined in Appendix A of [[?AV1-RTP]])
-           could be a prerequisite for the <a title="Selective Forwarding Middlebox">SFM</a>
-           to forward a {{RTCRtpEncodingParameters/scalabilityMode}} value. As a result,
-           the {{RTCRtpEncodingParameters/scalabilityMode}} values supported by an
-           <a title="Selective Forwarding Middlebox">SFM</a> may not be determined until
-           completion of the Offer/Answer negotiation.
+            For an <a title="Selective Forwarding Middlebox">SFM</a> the supported
+            {{RTCRtpEncodingParameters/scalabilityMode}} values may depend on the negotiated RTP
+            header extensions.  For example, if the <a title="Selective Forwarding Middlebox">SFM</a>
+            cannot parse codec payloads (either because it is not designed to do so, or
+            because the payloads are encrypted), then negotiation of an RTP header extension
+            (such as the AV1 Dependency Descriptor defined in Appendix A of [[?AV1-RTP]])
+            could be a prerequisite for the <a title="Selective Forwarding Middlebox">SFM</a>
+            to forward a {{RTCRtpEncodingParameters/scalabilityMode}} value. As a result,
+            the {{RTCRtpEncodingParameters/scalabilityMode}} values supported by an
+            <a title="Selective Forwarding Middlebox">SFM</a> may not be determined until
+            completion of the Offer/Answer negotiation.
           </p>
         </section>
   </section>