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This is an automatically generated e-mail. To reply, visit:
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<a href="https://reviewboard.asterisk.org/r/2465/diff/3/?file=37404#file37404line493" style="color: black; font-weight: bold; text-decoration: underline;">/team/group/bridge_construction/apps/app_chanspy.c</a>
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(Diff revision 3)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static struct ast_generator spygen = {</pre></td>
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<th bgcolor="#e9eaa8" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">493</font></th>
<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="n">ast_softhangup</span><span class="p">(</span><span class="n">peer</span><span class="p">,</span> <span class="n">AST_SOFTHANGUP_UNBRIDGE</span><span class="p">);</span></pre></td>
<th bgcolor="#e9eaa8" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">492</font></th>
<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="n">ast_channel_internal_bridge</span><span class="p">(</span><span class="n">autochan</span><span class="o">-></span><span class="n">chan</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">493</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="n">ast_softhangup</span><span class="p">(</span><span class="n">autochan</span><span class="o">-></span><span class="n">chan</span><span class="p">,</span> <span class="n">AST_SOFTHANGUP_UNBRIDGE</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">494</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </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;">Change to:
ast_channel_lock(chan);
if (ast_channel_is_bridged(chan)) {
ast_softhangup_nolock(chan, AST_SOFTHANGUP_UNBRIDGE);
}
ast_channel_unlock(chan);
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<a href="https://reviewboard.asterisk.org/r/2465/diff/3/?file=37405#file37405line423" style="color: black; font-weight: bold; text-decoration: underline;">/team/group/bridge_construction/apps/app_mixmonitor.c</a>
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(Diff revision 3)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static void destroy_monitor_audiohook(struct mixmonitor *mixmonitor)</pre></td>
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<th bgcolor="#e9eaa8" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">423</font></th>
<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="n">ast_softhangup</span><span class="p">(</span><span class="n">peer</span><span class="p">,</span> <span class="n">AST_SOFTHANGUP_UNBRIDGE</span><span class="p">);</span><span class="ew"><span class="tb"> </span></span></pre></td>
<th bgcolor="#e9eaa8" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">422</font></th>
<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="n">ast_channel_internal_bridge</span><span class="p">(</span><span class="n">chan</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">423</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="n">ast_softhangup</span><span class="p">(</span><span class="n">chan</span><span class="p">,</span> <span class="n">AST_SOFTHANGUP_UNBRIDGE</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">424</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </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;">Change to:
ast_channel_lock(chan);
if (ast_channel_is_bridged(chan)) {
ast_softhangup_nolock(chan, AST_SOFTHANGUP_UNBRIDGE);
}
ast_channel_unlock(chan);
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<a href="https://reviewboard.asterisk.org/r/2465/diff/3/?file=37406#file37406line155" style="color: black; font-weight: bold; text-decoration: underline;">/team/group/bridge_construction/bridges/bridge_native_rtp.c</a>
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(Diff revision 3)
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="cm">/* We require two channels before even considering native bridging */</span></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="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="n">c0</span> <span class="o">==</span> <span class="n">c1</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;">Change the test to:
if (bridge->num_channels != 2)
The c0 == c1 test will pass if there are 3 or more channels in the bridge.</pre>
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<a href="https://reviewboard.asterisk.org/r/2465/diff/3/?file=37412#file37412line32855" style="color: black; font-weight: bold; text-decoration: underline;">/team/group/bridge_construction/channels/chan_sip.c</a>
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(Diff revision 3)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int sip_set_rtp_peer(struct ast_channel *chan, struct ast_rtp_instance *instance, struct ast_rtp_instance *vinstance, struct ast_rtp_instance *tinstance, const struct ast_format_cap *cap, int nat_active)</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span>!ast<span class="hl">_bridged</span>_channel(chan) &&</pre></td>
<th bgcolor="#e9eaa8" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">32854</font></th>
<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span>!ast_channel<span class="hl">_internal_bridge</span>(chan) &&</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;">Use the new ast_channel_is_bridged() function instead of the internal function.</pre>
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<a href="https://reviewboard.asterisk.org/r/2465/diff/3/?file=37416#file37416line906" style="color: black; font-weight: bold; text-decoration: underline;">/team/group/bridge_construction/main/bridging.c</a>
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(Diff revision 3)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">void ast_bridge_channel_write_playfile(struct ast_bridge_channel *bridge_channel, ast_bridge_custom_play_fn custom_play, const char *playfile, const char *moh_class)</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">906</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="k">static</span> <span class="kt">void</span> <span class="nf">bridge_reconfigured</span><span class="p">(</span><span class="k">struct</span> <span class="n">ast_bridge</span> <span class="o">*</span><span class="n">bridge</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">907</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></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 can be removed when the AST_SOFTHANGUP_UNBRIDGE check is moved to the correct location.</pre>
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<a href="https://reviewboard.asterisk.org/r/2465/diff/3/?file=37416#file37416line930" style="color: black; font-weight: bold; text-decoration: underline;">/team/group/bridge_construction/main/bridging.c</a>
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(Diff revision 3)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static void bridge_handle_trip(struct ast_bridge_channel *bridge_channel)</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">930</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="n">ast_channel_softhangup_internal_flag</span><span class="p">(</span><span class="n">bridge_channel</span><span class="o">-></span><span class="n">chan</span><span class="p">)</span> <span class="o">&</span> <span class="n">AST_SOFTHANGUP_UNBRIDGE</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2"></font></th>
<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">931</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="n">ast_channel_clear_softhangup</span><span class="p">(</span><span class="n">bridge_channel</span><span class="o">-></span><span class="n">chan</span><span class="p">,</span> <span class="n">AST_SOFTHANGUP_UNBRIDGE</span><span class="p">);</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2"></font></th>
<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">932</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="n">ast_bridge_channel_lock_bridge</span><span class="p">(</span><span class="n">bridge_channel</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">933</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="n">bridge_channel</span><span class="o">-></span><span class="n">bridge</span><span class="o">-></span><span class="n">reconfigured</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; "></pre></td>
<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">934</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="n">bridge_reconfigured</span><span class="p">(</span><span class="n">bridge_channel</span><span class="o">-></span><span class="n">bridge</span><span class="p">);</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2"></font></th>
<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">935</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="n">ast_bridge_unlock</span><span class="p">(</span><span class="n">bridge_channel</span><span class="o">-></span><span class="n">bridge</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">936</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </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 check needs to be done in bridge_channel_wait() right after ast_waitfor_nandfds(). Otherwise you risk having the AST_SOFTHANGUP_UNBRIDGE flag escape the bridging system and really hanging up the call.</pre>
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<a href="https://reviewboard.asterisk.org/r/2465/diff/3/?file=37416#file37416line1039" style="color: black; font-weight: bold; text-decoration: underline;">/team/group/bridge_construction/main/bridging.c</a>
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(Diff revision 3)
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static struct ast_bridge_technology *find_best_technology(uint32_t capabilities)</pre></td>
<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static struct ast_bridge_technology *find_best_technology(uint32_t capabilities, struct ast_bridge *bridge)</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="p">(</span><span class="n">current</span><span class="o">-></span><span class="n">capabilities</span> <span class="o">&</span> <span class="n">capabilities</span><span class="p">))</span> <span class="p">{</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="p">(</span><span class="n">current</span><span class="o">-></span><span class="n">capabilities</span> <span class="o">&</span> <span class="n">capabilities</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;">If the current technology has (AST_BRIDGE_CAPABILITY_1TO1MIX | AST_BRIDGE_CAPABILITY_NATIVE) set
This test will pass only if capabilities has neither bit set.
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<a href="https://reviewboard.asterisk.org/r/2465/diff/3/?file=37416#file37416line1538" style="color: black; font-weight: bold; text-decoration: underline;">/team/group/bridge_construction/main/bridging.c</a>
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(Diff revision 3)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int smart_bridge_operation(struct ast_bridge *bridge)</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="cm">/*</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="cm">/*</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"><span class="tb"> </span> * Based on current capabilities determine whether we want to</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"><span class="tb"> </span> * Based on current capabilities determine whether we want to</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"><span class="tb"> </span> * change bridge technologies.</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"><span class="tb"> </span> * change bridge technologies.</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"><span class="tb"> </span> */</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"><span class="tb"> </span> */</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;">The smart bridge technology evaluation code must be rethought. This code will not work as expected.</pre>
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<p>- rmudgett</p>
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<p>On May 8th, 2013, 2:42 p.m. UTC, Joshua Colp wrote:</p>
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<div>Review request for Asterisk Developers.</div>
<div>By Joshua Colp.</div>
<p style="color: grey;"><i>Updated May 8, 2013, 2:42 p.m.</i></p>
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<b style="color: #575012; font-size: 10pt;">Repository: </b>
Asterisk
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<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;">This change implements the following:
1. Adds a native RTP bridge technology which does local or remote bridging depending on conditions
2. Makes the bridging core aware of native bridges
3. Calls into the compatible callback of bridging technologies when present to check compatibility
4. Tweaks some logic to cause the bridge to reconfigure when external conditions influence it</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;">1. Tested that non-RTP channels do not cause the native RTP bridge to be used
2. Tested that if conditions allow it that remote bridging (ala reinvite) occurs
3. Tested that if remote bridging is not possible that local bridging occurs
4. Tested that if conditions are not correct none of the above happens
5. Tested that external applications cause the bridge to be reconfigured, and alternate technology used if needed</pre>
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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/bridge_construction/apps/app_chanspy.c <span style="color: grey">(386842)</span></li>
<li>/team/group/bridge_construction/apps/app_mixmonitor.c <span style="color: grey">(386842)</span></li>
<li>/team/group/bridge_construction/bridges/bridge_native_rtp.c <span style="color: grey">(PRE-CREATION)</span></li>
<li>/team/group/bridge_construction/channels/chan_gulp.c <span style="color: grey">(386842)</span></li>
<li>/team/group/bridge_construction/channels/chan_h323.c <span style="color: grey">(386842)</span></li>
<li>/team/group/bridge_construction/channels/chan_jingle.c <span style="color: grey">(386842)</span></li>
<li>/team/group/bridge_construction/channels/chan_mgcp.c <span style="color: grey">(386842)</span></li>
<li>/team/group/bridge_construction/channels/chan_motif.c <span style="color: grey">(386842)</span></li>
<li>/team/group/bridge_construction/channels/chan_sip.c <span style="color: grey">(386842)</span></li>
<li>/team/group/bridge_construction/channels/chan_skinny.c <span style="color: grey">(386842)</span></li>
<li>/team/group/bridge_construction/channels/chan_unistim.c <span style="color: grey">(386842)</span></li>
<li>/team/group/bridge_construction/include/asterisk/rtp_engine.h <span style="color: grey">(386842)</span></li>
<li>/team/group/bridge_construction/main/bridging.c <span style="color: grey">(386842)</span></li>
<li>/team/group/bridge_construction/main/rtp_engine.c <span style="color: grey">(386842)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/2465/diff/" style="margin-left: 3em;">View Diff</a></p>
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