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This is an automatically generated e-mail. To reply, visit:
<a href="https://reviewboard.asterisk.org/r/2408/">https://reviewboard.asterisk.org/r/2408/</a>
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<a href="https://reviewboard.asterisk.org/r/2408/diff/2/?file=34901#file34901line381" style="color: black; font-weight: bold; text-decoration: underline;">/team/channels/chan_gulp.c</a>
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(Diff revision 2)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int gulp_answer(struct ast_channel *ast)</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">media</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="p">(</span><span class="n">media</span> <span class="o">=</span> <span class="n">pvt</span><span class="o">-></span><span class="n">media</span><span class="p">[</span><span class="n">fdno</span> <span class="o">/</span> <span class="mi">2</span><span class="p">]))</span> <span class="p">{</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">I'd rather be explicit with this instead of using division voodoo. Easier when reading too.</pre>
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<a href="https://reviewboard.asterisk.org/r/2408/diff/2/?file=34902#file34902line250" style="color: black; font-weight: bold; text-decoration: underline;">/team/include/asterisk/res_sip_session.h</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">struct ast_sip_session *ast_sip_session_alloc(struct ast_sip_endpoint *endpoint, pjsip_inv_session *inv);</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> * \param caps The negotiated capabilities</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">s/negotiated/requested/</pre>
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<a href="https://reviewboard.asterisk.org/r/2408/diff/2/?file=34903#file34903line128" style="color: black; font-weight: bold; text-decoration: underline;">/team/res/res_sip_sdp_audio.c</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static void get_codecs(struct ast_sip_session *session, const struct pjmedia_sdp_media *stream,</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="p">(</span><span class="n">pjmedia_sdp_attr_to_rtpmap</span><span class="p">(</span><span class="n">session</span><span class="o">-></span><span class="n">inv_session</span><span class="o">-></span><span class="n">pool_active</span><span class="p">,</span> <span class="n">attr</span><span class="p">,</span> <span class="o">&</span><span class="n">rtpmap</span><span class="p">))</span> <span class="o">==</span> <span class="n">PJ_SUCCESS</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Erm make this != PJ_SUCCESS</pre>
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<a href="https://reviewboard.asterisk.org/r/2408/diff/2/?file=34903#file34903line143" style="color: black; font-weight: bold; text-decoration: underline;">/team/res/res_sip_sdp_audio.c</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static void get_codecs(struct ast_sip_session *session, const struct pjmedia_sdp_media *stream,</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">ast_format_sdp_parse</span><span class="p">(</span><span class="n">format</span><span class="p">,</span> <span class="n">pj_strbuf</span><span class="p">(</span><span class="o">&</span><span class="n">fmtp</span><span class="p">.</span><span class="n">fmt_param</span><span class="p">));</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">It is not guaranteed for this to be NULL terminated. Use ast_copy_pj_str to put this in a temporary buffer.</pre>
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<a href="https://reviewboard.asterisk.org/r/2408/diff/2/?file=34903#file34903line387" style="color: black; font-weight: bold; text-decoration: underline;">/team/res/res_sip_sdp_audio.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int audio_create_outgoing_sdp_stream(struct ast_sip_session *session, struct ast_sip_session_media *session_media, struct pjmedia_sdp_session *sdp)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="n">ast_format_cap_is_empty</span><span class="p">(</span><span class="n">session</span><span class="o">-></span><span class="n">caps</span><span class="p">))</span> <span class="p">{</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">387</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">ast_format_cap_copy</span><span class="p">(</span><span class="n">caps</span><span class="p">,</span> <span class="n">session</span><span class="o">-></span><span class="n">endpoint</span><span class="o">-></span><span class="n">codecs</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">388</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">}</span> <span class="k">else</span> <span class="p">{</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">389</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">ast_format_cap_copy</span><span class="p">(</span><span class="n">caps</span><span class="p">,</span> <span class="n">session</span><span class="o">-></span><span class="n">caps</span><span class="p">);</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">390</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">}</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">391</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">392</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">ast_format_cap_iter_start</span><span class="p">(</span><span class="n">caps</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">393</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">while</span> <span class="p">(</span><span class="o">!</span><span class="p">(</span><span class="n">ast_format_cap_iter_next</span><span class="p">(</span><span class="n">caps</span><span class="p">,</span> <span class="o">&</span><span class="n">format</span><span class="p">)))</span> <span class="p">{</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">This changes the behavior of things. Codec preference (the order as specified within the configuration file) is no longer obeyed.</pre>
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<a href="https://reviewboard.asterisk.org/r/2408/diff/2/?file=34904#file34904line55" style="color: black; font-weight: bold; text-decoration: underline;">/team/res/res_sip_sdp_video.c</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int video_create_rtp(struct ast_sip_session *session, struct ast_sip_session_media *session_media, unsigned int ipv6)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="kt">char</span> <span class="n">hostip</span><span class="p">[</span><span class="n">PJ_INET6_ADDRSTRLEN</span><span class="o">+</span><span class="mi">2</span><span class="p">];</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">struct</span> <span class="n">ast_sockaddr</span> <span class="n">tmp</span><span class="p">;</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">57</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">58</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="n">pj_gethostip</span><span class="p">(</span><span class="n">ipv6</span> <span class="o">?</span> <span class="n">pj_AF_INET6</span><span class="p">()</span> <span class="o">:</span> <span class="n">pj_AF_INET</span><span class="p">(),</span> <span class="o">&</span><span class="n">addr</span><span class="p">)</span> <span class="o">!=</span> <span class="n">PJ_SUCCESS</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">59</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">return</span> <span class="o">-</span><span class="mi">1</span><span class="p">;</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">}</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">pj_sockaddr_print</span><span class="p">(</span><span class="o">&</span><span class="n">addr</span><span class="p">,</span> <span class="n">hostip</span><span class="p">,</span> <span class="k">sizeof</span><span class="p">(</span><span class="n">hostip</span><span class="p">),</span> <span class="mi">2</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">ast_sockaddr_parse</span><span class="p">(</span><span class="o">&</span><span class="n">tmp</span><span class="p">,</span> <span class="n">hostip</span><span class="p">,</span> <span class="mi">0</span><span class="p">))</span> <span class="p">{</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">return</span> <span class="o">-</span><span class="mi">1</span><span class="p">;</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">}</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">This should do it the way res_sip_sdp_audio does, specifically bind to either wildcard IPv4 or IPv6. ICE support should also exist.
How much difference is there between video and audio besides ptime/hold/unhold? Doesn't look like that much. It may just make the most sense to combine the two, easier to maintain in the end too since they overlap so much.</pre>
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<p>- Joshua</p>
<br />
<p>On March 21st, 2013, 11:54 a.m., Kevin Harwell wrote:</p>
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<div>Review request for Asterisk Developers and Joshua Colp.</div>
<div>By Kevin Harwell.</div>
<p style="color: grey;"><i>Updated March 21, 2013, 11:54 a.m.</i></p>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Adds video media handling support to the new SIP work being done in Asterisk. Similar to audio added res_sip_sdp_video.c to handle sdp media negotiations for video. Added capabilities support to make sure the correct codecs were being offered. Also added the ability to handle the video source update control frame and initiate a fast video update request when needed.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Using two softphones that support video was able to successfully connect, via asterisk, and view video. Also monitored sip messages to make sure the appropriate media attributes were being propagated.</pre>
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<b style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Bugs: </b>
<a href="https://issues.asterisk.org/jira/browse/ASTERISK-21077">ASTERISK-21077</a>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>/team/group/pimp_my_sip/channels/chan_gulp.c <span style="color: grey">(383518)</span></li>
<li>/team/group/pimp_my_sip/include/asterisk/res_sip_session.h <span style="color: grey">(383518)</span></li>
<li>/team/group/pimp_my_sip/res/res_sip_sdp_audio.c <span style="color: grey">(383518)</span></li>
<li>/team/group/pimp_my_sip/res/res_sip_sdp_video.c <span style="color: grey">(PRE-CREATION)</span></li>
<li>/team/group/pimp_my_sip/res/res_sip_session.c <span style="color: grey">(383518)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/2408/diff/" style="margin-left: 3em;">View Diff</a></p>
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