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<a href=" https://wiki.asterisk.org/wiki/display/~mjordan " style="color:#326ca6;text-decoration:none;; color: #326ca6; text-decoration: none">Matt Jordan</a> edited the page:
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<td valign="top" style="font-size: 13px"> <h2 id="email-title-heading" style="font-size: 16px; line-height: 20px; min-height: 20px; margin: 0; padding: 0"> <a href="https://wiki.asterisk.org/wiki/display/AST/Media+Format+Rewrite" style="color: #326ca6; text-decoration: none"> <img class="icon" src="cid:page-icon" alt="" style="border: 0; padding: 0 5px 0 0; text-align: left; vertical-align: middle" /> <strong style="font-size:16px;line-height:20px;vertical-align:top;">Media Format Rewrite</strong> </a> </h2> </td>
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<div id="page-diffs" class="wiki-content">
<p class="diff-context-placeholder" style="font-size: 13px">...</p>
<p class="diff-block-context" style="font-size: 13px">All of the scenarios in Invalid Format Offer/Answer apply, only with a single audio and a single video stream. Streams can be declined, or the entire offer can be declined with a 488 as appropriate.</p>
<p class="diff-block-target diff-block-context" style="font-size: 13px"> <span class="diff-html-added" id="added-diff-0" style="font-size: 100%; background-color: #ddfade;"> </span> </p>
<h2 id="MediaFormatRewrite-MultipleChannels" class="diff-block-context">Multiple Channels</h2>
<p class="diff-block-target diff-block-context" style="font-size: 13px"> <span class="diff-html-added" id="added-diff-1" style="font-size: 100%; background-color: #ddfade;"> </span> </p>
<h3 id="MediaFormatRewrite-NominalOffer%2FAnswer" class="diff-block-context">Nominal Offer/Answer</h3>
<ul class="diff-block-context">
<li style="font-size: 13px">Alice sends an INVITE request with an offer containing a set of codecs. The offer is a complete match with the set of codecs configured for Alice's endpoint.</li>
<li style="font-size: 13px">Asterisk dials Bob. Bob's endpoint is configured with the same set of codecs, in the same order.</li>
<li style="font-size: 13px">Bob's response to the INVITE request contains the same set of codecs as the offer. Asterisk responds to Alice with her set of configured codecs.</li>
<li style="font-size: 13px">Alice and Bob are bridged using the same formats, with the same priority order.</li>
</ul>
<h3 id="MediaFormatRewrite-Preferredcodeconly" class="diff-block-target diff-block-context"> <span class="diff-html-changed" id="changed-diff-0" style="background-color: #d6f0ff;">Preferred codec only</span> </h3>
<h4 id="MediaFormatRewrite-Preferredcodeconlyinoutboundanswer" class="diff-block-target diff-block-context"> <span class="diff-html-added" id="added-diff-2" style="font-size: 100%; background-color: #ddfade;">Preferred codec only in outbound answer</span> </h4>
<ul class="diff-block-target diff-block-context">
<li style="font-size: 13px"> <span class="diff-html-changed" id="changed-diff-1" style="background-color: #d6f0ff;">Alice sends </span> </li>
</ul>
<p class="diff-context-placeholder" style="font-size: 13px">...</p>
<ul class="diff-block-target diff-block-context">
<li style="font-size: 13px"> <span class="diff-html-changed" style="background-color: #d6f0ff;"> </span><span class="diff-html-changed" id="changed-diff-2" style="background-color: #d6f0ff;">an </span><span class="diff-html-added" id="added-diff-3" style="font-size: 100%; background-color: #ddfade;">INVITE request with an </span><span class="diff-html-changed" id="changed-diff-3" style="background-color: #d6f0ff;">offer </span><span class="diff-html-added" id="added-diff-4" style="font-size: 100%; background-color: #ddfade;">containing a set of codecs</span><span class="diff-html-changed" id="changed-diff-4" style="background-color: #d6f0ff;">. </span><span class="diff-html-added" id="added-diff-5" style="font-size: 100%; background-color: #ddfade;">The offer is a complete match with the set of codecs configured for Alice's endpoint.</span> </li>
<li style="font-size: 13px"> <span class="diff-html-changed" id="changed-diff-5" style="background-color: #d6f0ff;">Asterisk dials Bob with his </span><span class="diff-html-added" id="added-diff-6" style="font-size: 100%; background-color: #ddfade;">endpoint's </span><span class="diff-html-changed" id="changed-diff-6" style="background-color: #d6f0ff;">codecs.</span> </li>
<li style="font-size: 13px"> <span class="diff-html-changed" id="changed-diff-7" style="background-color: #d6f0ff;">Bob</span> </li>
</ul>
<p class="diff-context-placeholder" style="font-size: 13px">...</p>
<ul class="diff-block-target diff-block-context">
<li style="font-size: 13px"> <span class="diff-html-added" id="added-diff-8" style="font-size: 100%; background-color: #ddfade;">'s response contains only a single codec. Asterisk uses that format for Bob's channel.</span> </li>
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Alice's reply contains her codecs in the order specified by her endpoint.</span> </li>
</ul>
<h4 id="MediaFormatRewrite-Preferredcodeconlyininboundanswer" class="diff-block-target diff-block-context"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Preferred codec only in inbound answer</span> </h4>
<ul class="diff-block-target diff-block-context">
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Alice sends an INVITE request with an offer containing a set of codecs configured for Alice's endpoint.</span> </li>
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">The dialplan restricts Asterisk to responding only with Alice's preferred codec.</span> </li>
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Asterisk dials Bob with his endpoint's codecs.</span> </li>
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Bob responds with an acceptable set of codecs.</span> </li>
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Asterisk sends an answer to Alice's offer with only her endpoint's </span><span class="diff-html-changed" id="changed-diff-8" style="background-color: #d6f0ff;">preferred codec.</span> </li>
</ul>
<h3 id="MediaFormatRewrite-Transcoding" class="diff-block-target diff-block-context"> <span class="diff-html-changed" id="changed-diff-9" style="background-color: #d6f0ff;">Transcoding</span> </h3>
<h4 id="MediaFormatRewrite-Acceptabletranslationpath" class="diff-block-target diff-block-context"> <span class="diff-html-added" id="added-diff-9" style="font-size: 100%; background-color: #ddfade;">Acceptable translation path</span> </h4>
<ul class="diff-block-target diff-block-context">
<li style="font-size: 13px"> <span class="diff-html-changed" id="changed-diff-10" style="background-color: #d6f0ff;">Alice sends </span> </li>
</ul>
<p class="diff-context-placeholder" style="font-size: 13px">...</p>
<ul class="diff-block-target diff-block-context">
<li style="font-size: 13px"> <span class="diff-html-changed" style="background-color: #d6f0ff;"> </span><span class="diff-html-changed" id="changed-diff-11" style="background-color: #d6f0ff;">an </span><span class="diff-html-added" id="added-diff-10" style="font-size: 100%; background-color: #ddfade;">INVITE request with an </span><span class="diff-html-changed" id="changed-diff-12" style="background-color: #d6f0ff;">offer </span><span class="diff-html-added" id="added-diff-11" style="font-size: 100%; background-color: #ddfade;">containing a set of codecs configured for Alice's endpoint</span><span class="diff-html-changed" id="changed-diff-13" style="background-color: #d6f0ff;">.</span> </li>
<li style="font-size: 13px"> <span class="diff-html-changed" id="changed-diff-14" style="background-color: #d6f0ff;">Asterisk dials Bob with his </span><span class="diff-html-added" id="added-diff-13" style="font-size: 100%; background-color: #ddfade;">endpoint's </span><span class="diff-html-changed" id="changed-diff-15" style="background-color: #d6f0ff;">codecs, </span> </li>
</ul>
<p class="diff-context-placeholder" style="font-size: 13px">...</p>
<ul class="diff-block-target diff-block-context">
<li style="font-size: 13px"> <span class="diff-html-added" id="added-diff-14" style="font-size: 100%; background-color: #ddfade;">where the codecs for Bob's endpoint are not the same as Alice's but have an acceptable translation path.</span> </li>
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Bob answers with his endpoint's codecs.</span> </li>
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Asterisk sends an answer to Alice's offer with the codecs for her endpoint.</span> </li>
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Alice and Bob enter a bridge together and their media is transcoded based on the current formats sent by their endpoints.</span> </li>
</ul>
<h4 id="MediaFormatRewrite-Failedtranslationpath%28nopathexists%29" class="diff-block-target diff-block-context"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Failed translation path (no path exists)</span> </h4>
<ul class="diff-block-target diff-block-context">
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Alice sends an INVITE request with an offer containing a set of codecs configured for Alice's endpoint.</span> </li>
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Asterisk determines that there is no translation path between the codecs configured for Alice and the codecs configured for Bob</span> </li>
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Alice's offer is rejected; Bob is not dialled.</span> </li>
</ul>
<h4 id="MediaFormatRewrite-Failedtranslationpaths" class="diff-block-target diff-block-context"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Failed translation paths</span> </h4>
<ul class="diff-block-target diff-block-context">
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Alice sends an INVITE request with an offer containing a set of codecs configured for Alice's endpoint</span> </li>
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Asterisk dials Bob with his endpoint's codecs, where the codecs for Bob's endpoint are not the same as Alice's. For each codec that does not have a translation path to Alice's codecs, those codecs are not offered.</span> </li>
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Bob responds with one of this acceptable codecs. Asterisk responds to Alice with her codecs.</span> </li>
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Alice and Bob enter a bridge together and their media is transcoded based on the current formats sent by their endpoints.</span> </li>
</ul>
<h3 id="MediaFormatRewrite-Re-InvitetoNativeBridge" class="diff-block-target diff-block-context"> <span class="diff-html-changed" id="changed-diff-16" style="background-color: #d6f0ff;">Re-Invite to Native Bridge</span> </h3>
<h4 id="MediaFormatRewrite-Nominal" class="diff-block-target diff-block-context"> <span class="diff-html-added" id="added-diff-15" style="font-size: 100%; background-color: #ddfade;">Nominal</span> </h4>
<ul class="diff-block-target diff-block-context">
<li style="font-size: 13px"> <span class="diff-html-changed" id="changed-diff-17" style="background-color: #d6f0ff;">Alice sends </span> </li>
</ul>
<p class="diff-context-placeholder" style="font-size: 13px">...</p>
<ul class="diff-block-target diff-block-context">
<li style="font-size: 13px"> <span class="diff-html-changed" style="background-color: #d6f0ff;"> </span><span class="diff-html-changed" id="changed-diff-18" style="background-color: #d6f0ff;">an </span> </li>
</ul>
<p class="diff-context-placeholder" style="font-size: 13px">...</p>
<ul class="diff-block-target diff-block-context">
<li style="font-size: 13px"> <span class="diff-html-added" id="added-diff-16" style="font-size: 100%; background-color: #ddfade;">INVITE request </span><span class="diff-html-changed" id="changed-diff-19" style="background-color: #d6f0ff;">with a different </span> </li>
</ul>
<p class="diff-context-placeholder" style="font-size: 13px">...</p>
<ul class="diff-block-target diff-block-context">
<li style="font-size: 13px"> <span class="diff-html-added" id="added-diff-17" style="font-size: 100%; background-color: #ddfade;">ordered set of codecs than Bob.</span> </li>
<li style="font-size: 13px"> <p style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Alice's channel is set to re-INVITE back to native bridging if possible.</span> </p>
<table class="diff-macro diff-html-added" style="background-color: #f0f0f0;border: 1px solid #dddddd;margin: 10px 1px;padding: 0 2px 2px;width: 100%;background-color: #ddfade;border-color: #93c49f;">
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<th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;; font-size: 13px"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://wiki.asterisk.org/wiki/s/en_GB-1988229788/4252/6ac85e9b14675c5514a674e1aecae99c9505ed36.48/_/images/icons/macrobrowser/dropdown/tip.png" style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Tip</span></th>
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<td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; font-size: 13px"> <p style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Variants to test: Bob's channel being set to re-INVITE back to a native bridge, as well as both channels being set to re-INVITE.</span> </p> </td>
</tr>
</tbody>
</table> </li>
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Asterisk dials Bob with his set of codecs in his endpoint's priority order.</span> </li>
<li style="font-size: 13px"> <span class="diff-html-changed" id="changed-diff-20" style="background-color: #d6f0ff;">Bob responds back with a set of codecs</span> </li>
</ul>
<p class="diff-context-placeholder" style="font-size: 13px">...</p>
<ul class="diff-block-target diff-block-context">
<li style="font-size: 13px"> <span class="diff-html-added" id="added-diff-18" style="font-size: 100%; background-color: #ddfade;">. The set of codecs should have at least one format in common.</span> </li>
<li style="font-size: 13px"> <span class="diff-html-changed" id="changed-diff-21" style="background-color: #d6f0ff;">Asterisk Answers Alice with her preferred codecs.</span> </li>
</ul>
<p class="diff-context-placeholder" style="font-size: 13px">...</p>
<ul class="diff-block-target diff-block-context">
<li style="font-size: 13px"></li>
<li style="font-size: 13px"> <span class="diff-html-changed" id="changed-diff-22" style="background-color: #d6f0ff;">Alice and </span> </li>
</ul>
<p class="diff-context-placeholder" style="font-size: 13px">...</p>
<p class="diff-block-target diff-block-context" style="font-size: 13px"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">"Off nominal" Transcoding</span> </p>
<p class="diff-context-placeholder" style="font-size: 13px">...</p>
<ul class="diff-block-target diff-block-context">
<li style="font-size: 13px"> <span class="diff-html-added" id="added-diff-20" style="font-size: 100%; background-color: #ddfade;">Bob enter a bridge together. Asterisk sends a re-INVITE to Alice and to Bob with the formats that are in common.</span> </li>
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Alice and Bob respond to the re-INVITE with a 200 OK</span> </li>
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Asterisk switches to a native bridge</span> </li>
</ul>
<h4 id="MediaFormatRewrite-Failedre-INVITE" class="diff-block-target diff-block-context"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Failed re-INVITE</span> </h4>
<ul class="diff-block-target diff-block-context">
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Alice sends an INVITE request with a different ordered set of codecs than Bob.</span> </li>
<li style="font-size: 13px"> <p style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Alice's channel is set to re-INVITE back to native bridging if possible.</span> </p> <p style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"> </span> </p> </li>
<li style="font-size: 13px"> <span class="diff-html-changed" id="changed-diff-23" style="background-color: #d6f0ff;">Asterisk dials Bob with his </span> </li>
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<p class="diff-context-placeholder" style="font-size: 13px">...</p>
<ul class="diff-block-target diff-block-context">
<li style="font-size: 13px"> <span class="diff-html-added" id="added-diff-21" style="font-size: 100%; background-color: #ddfade;">set of codecs in his endpoint's priority order.</span> </li>
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Bob responds back with a set of codecs. The set of codecs should have at least one format in common.</span> </li>
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Asterisk Answers Alice with her preferred codecs.</span> </li>
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Alice and Bob enter a bridge together. Asterisk sends a re-INVITE to Alice and to Bob with the formats that are in common.</span> </li>
<li style="font-size: 13px"> <p style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Alice responds to the re-INVITE with a failure response (488)</span> </p>
<table class="diff-macro diff-html-added" style="background-color: #f0f0f0;border: 1px solid #dddddd;margin: 10px 1px;padding: 0 2px 2px;width: 100%;background-color: #ddfade;border-color: #93c49f;">
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<th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;; font-size: 13px"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://wiki.asterisk.org/wiki/s/en_GB-1988229788/4252/6ac85e9b14675c5514a674e1aecae99c9505ed36.48/_/images/icons/macrobrowser/dropdown/tip.png" style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Tip</span></th>
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<td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; font-size: 13px"> <p style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Variants to test: Bob rejects the re-INVITE; both Alice and Bob reject the re-INVITE</span> </p> </td>
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</table> </li>
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Asterisk sends an UPDATE request (if Alice/Bob support it) with the previous SDP (see RFC 6337, section 3.4)</span> </li>
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Asterisk transcodes media between Alice and Bob</span> </li>
</ul>
<h3 id="MediaFormatRewrite-Modifiedoutboundinvite" class="diff-block-target diff-block-context"> <span class="diff-html-changed" id="changed-diff-24" style="background-color: #d6f0ff;">Modified outbound invite</span> </h3>
<ul class="diff-block-target diff-block-context">
<li style="font-size: 13px"> <span class="diff-html-changed" id="changed-diff-25" style="background-color: #d6f0ff;">Alice sends </span> </li>
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<p class="diff-context-placeholder" style="font-size: 13px">...</p>
<ul class="diff-block-target diff-block-context">
<li style="font-size: 13px"> <span class="diff-html-added" id="added-diff-22" style="font-size: 100%; background-color: #ddfade;">an INVITE request with a set of codecs.</span> </li>
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Prior to dialling Bob, PJSIP_MEDIA_OFFER modifies which codecs will be offered. (Alternatively, the CHANNEL function in a pre-dial handler)</span> </li>
<li style="font-size: 13px"> <p style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Asterisk sends an INVITE request with the codecs specified, regardless of whether or not Bob's endpoint supports them.</span> </p>
<table class="diff-macro diff-html-added" style="background-color: #f0f0f0;border: 1px solid #dddddd;margin: 10px 1px;padding: 0 2px 2px;width: 100%;background-color: #ddfade;border-color: #93c49f;">
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<th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;; font-size: 13px"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://wiki.asterisk.org/wiki/s/en_GB-1988229788/4252/6ac85e9b14675c5514a674e1aecae99c9505ed36.48/_/images/icons/macrobrowser/dropdown/tip.png" style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Tip</span></th>
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<td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; font-size: 13px"> <p style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">This scenario should test sending Bob both acceptable codecs for his endpoint, as well as codecs that are unsupported</span><span class="diff-html-changed" id="changed-diff-26" style="background-color: #d6f0ff;">.</span> </p> </td>
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<h3 id="MediaFormatRewrite-Modifiedinboundresponse" class="diff-block-target diff-block-context"> <span class="diff-html-changed" id="changed-diff-27" style="background-color: #d6f0ff;">Modified inbound response</span> </h3>
<ul class="diff-block-target diff-block-context">
<li style="font-size: 13px"> <span class="diff-html-changed" id="changed-diff-28" style="background-color: #d6f0ff;">Alice sends over an </span> </li>
</ul>
<p class="diff-context-placeholder" style="font-size: 13px">...</p>
<p class="diff-block-target diff-block-context" style="font-size: 13px"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"> </span> </p>
<p class="diff-block-target diff-block-context" style="font-size: 13px"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"> </span> </p>
<ul class="diff-block-target diff-block-context">
<li style="font-size: 13px"> <span class="diff-html-added" id="added-diff-23" style="font-size: 100%; background-color: #ddfade;">INVITE request with a set of codecs.</span> </li>
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Prior to being answered, the CHANNEL function changes what media formats are accepted. Note that this must be a subset of what Alice's endpoint accepts.</span> </li>
<li style="font-size: 13px"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Asterisk responds with the formats the CHANNEL function specified</span> </li>
</ul>
<h1 id="MediaFormatRewrite-Design" class="diff-block-context">Design</h1>
<h2 id="MediaFormatRewrite-ThePresent" class="diff-block-context">The Present</h2>
<h3 id="MediaFormatRewrite-structast_format" class="diff-block-context">struct ast_format</h3>
<p class="diff-context-placeholder" style="font-size: 13px">...</p>
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