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<a href="https://reviewboard.asterisk.org/r/4505/diff/1/?file=72588#file72588line77" style="color: black; font-weight: bold; text-decoration: underline;">/tags/13.2.0/include/asterisk/codec.h</a>
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(Diff revision 1)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">struct ast_codec {</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="kt">unsigned</span> <span class="kt">int</span> <span class="n">smooth</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="kt">unsigned</span> <span class="kt">int</span> <span class="n">smooth</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="tb"> </span><span class="cm">/*! \brief Whether the smoother is operated in BE byte order */</span></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="kt">unsigned</span> <span class="kt">int</span> <span class="n">smoother_be</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="cm">/*! \brief The module that registered this codec */</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">/*! \brief The module that registered this codec */</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 don't think you can trust that the codec will know its endianness. Looking at the resample code, I don't _think_ it actually determines the endianness of its encoding/decoding, and instead relies on the underlying machine to make that determination. As such, I don't think this should be a property on the codec structure.</pre>
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<a href="https://reviewboard.asterisk.org/r/4505/diff/1/?file=72589#file72589line317" style="color: black; font-weight: bold; text-decoration: underline;">/tags/13.2.0/include/asterisk/format.h</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">int ast_format_can_be_smoothed(const struct ast_format *format);</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></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></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> * \brief Get whether or not the smoother is operating in BE byte order</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> *</span></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 format The media format</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> *</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> * \retval 0 the smoother is operating in LE byte order</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> * \retval 1 the smoother is operating in BE byte order</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> */</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="kt">int</span> <span class="nf">ast_format_smoothed_with_be</span><span class="p">(</span><span class="k">const</span> <span class="k">struct</span> <span class="n">ast_format</span> <span class="o">*</span><span class="n">format</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="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"> * \brief Get the media type of a format</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"> * \brief Get the media type of a format</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;">Since the smoother already has flags that determine the endianness, an additional API call in the format API feels wrong. If anything, the need for a different endianness on the smoother should be determined up front when the smoother is created, and not through the format API.</pre>
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<a href="https://reviewboard.asterisk.org/r/4505/diff/1/?file=72594#file72594line3394" style="color: black; font-weight: bold; text-decoration: underline;">/tags/13.2.0/res/res_rtp_asterisk.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int ast_rtp_write(struct ast_rtp_instance *instance, struct ast_frame *frame)</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">/* If no smoother is present see if we have to set one up */</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">/* If no smoother is present see if we have to set one up */</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="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">rtp</span><span class="o">-></span><span class="n">smoother</span> <span class="o">&&</span> <span class="n">ast_format_can_be_smoothed</span><span class="p">(</span><span class="n">format</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="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">rtp</span><span class="o">-></span><span class="n">smoother</span> <span class="o">&&</span> <span class="n">ast_format_can_be_smoothed</span><span class="p">(</span><span class="n">format</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="kt">unsigned</span> <span class="kt">int</span> <span class="n">framing_ms</span> <span class="o">=</span> <span class="n">ast_rtp_codecs_get_framing</span><span class="p">(</span><span class="n">ast_rtp_instance_get_codecs</span><span class="p">(</span><span class="n">instance</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="kt">unsigned</span> <span class="kt">int</span> <span class="n">framing_ms</span> <span class="o">=</span> <span class="n">ast_rtp_codecs_get_framing</span><span class="p">(</span><span class="n">ast_rtp_instance_get_codecs</span><span class="p">(</span><span class="n">instance</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="n">framing_ms</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="n">framing_ms</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="tb"> </span><span class="n">rtp</span><span class="o">-></span><span class="n">smoother</span> <span class="o">=</span> <span class="n">ast_smoother_new</span><span class="p">((</span><span class="n">framing_ms</span> <span class="o">*</span> <span class="n">ast_format_get_minimum_bytes</span><span class="p">(</span><span class="n">format</span><span class="p">))</span> <span class="o">/</span> <span class="n">ast_format_get_minimum_ms</span><span class="p">(</span><span class="n">format</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="tb"> </span><span class="n">rtp</span><span class="o">-></span><span class="n">smoother</span> <span class="o">=</span> <span class="n">ast_smoother_new</span><span class="p">((</span><span class="n">framing_ms</span> <span class="o">*</span> <span class="n">ast_format_get_minimum_bytes</span><span class="p">(</span><span class="n">format</span><span class="p">))</span> <span class="o">/</span> <span class="n">ast_format_get_minimum_ms</span><span class="p">(</span><span class="n">format</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="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">rtp</span><span class="o">-></span><span class="n">smoother</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="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">rtp</span><span class="o">-></span><span class="n">smoother</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="tb"> </span><span class="tb"> </span><span class="n">ast_log</span><span class="p">(</span><span class="n">LOG_WARNING</span><span class="p">,</span> <span class="s">"Unable to create smoother: format %s ms: %u len: %u</span><span class="se">\n</span><span class="s">"</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="tb"> </span><span class="tb"> </span><span class="n">ast_log</span><span class="p">(</span><span class="n">LOG_WARNING</span><span class="p">,</span> <span class="s">"Unable to create smoother: format %s ms: %u len: %u</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span></pre></td>
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<th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">3402</font></th>
<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="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="n">ast_format_get_name</span><span class="p">(</span><span class="n">format</span><span class="p">),</span> <span class="n">framing_ms</span><span class="p">,</span> <span class="n">ast_format_get_minimum_bytes</span><span class="p">(</span><span class="n">format</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="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="n">ast_format_get_name</span><span class="p">(</span><span class="n">format</span><span class="p">),</span> <span class="n">framing_ms</span><span class="p">,</span> <span class="n">ast_format_get_minimum_bytes</span><span class="p">(</span><span class="n">format</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="tb"> </span><span class="tb"> </span><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="#ffffff" 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="tb"> </span><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="#ffffff" 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="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="tb"> </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="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="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="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="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 think your issue should be solved here.
When you care a new smoother, you can specify whether or not it is BE or LE via the ast_smoother_set_flags call. The real issue is determining whether or not your machine is BE or LE.
What distro/environment did you produce this issue on?</pre>
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<a href="https://reviewboard.asterisk.org/r/4505/diff/1/?file=72594#file72594line3411" style="color: black; font-weight: bold; text-decoration: underline;">/tags/13.2.0/res/res_rtp_asterisk.c</a>
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(Diff revision 1)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int ast_rtp_write(struct ast_rtp_instance *instance, struct ast_frame *frame)</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><span class="k">if</span> <span class="p">(</span><span class="n">ast_smoother_test_flag</span><span class="p">(</span><span class="n">rtp</span><span class="o">-></span><span class="n">smoother</span><span class="p">,</span> <span class="n">AST_SMOOTHER_FLAG_BE</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="tb"> </span><span class="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="n">ast_format_smoothed_with_be</span><span class="p">(</span><span class="n">format</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="tb"> </span><span class="n">ast_smoother_feed_be</span><span class="p">(</span><span class="n">rtp</span><span class="o">-></span><span class="n">smoother</span><span class="p">,</span> <span class="n">frame</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="tb"> </span><span class="n">ast_smoother_feed_be</span><span class="p">(</span><span class="n">rtp</span><span class="o">-></span><span class="n">smoother</span><span class="p">,</span> <span class="n">frame</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 don't think this flag is needed. </pre>
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<p>- Matt Jordan</p>
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<p>On March 16th, 2015, 10:36 p.m. CDT, Frankie Chin wrote:</p>
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<div>Review request for Asterisk Developers.</div>
<div>By Frankie Chin.</div>
<p style="color: grey;"><i>Updated March 16, 2015, 10:36 p.m.</i></p>
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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-24858">ASTERISK-24858</a>
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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;">In Asterisk 13.2.0 when SLIN codec is used in two Asterisk servers registered to one another via PJSIP, the RTP payload is sent in the wrong byte order. The patch addresses the following based on the correct behavior in Asterisk 12.8.1:
1) Save ptime = 20 as the framing in the ast_rtp_codecs structure when creating outgoing SDP packet (res_pjsip_sdp_rtp.c)
2) Do not copy the framing when copying the payload (rtp_engine.c)
3) Introduce the new "smoother_be" flagin the ast_codec structure. Set this flag = 1 for all the SLIN codecs (codec_builtin.c).
4) Check for this "smoother_be" flag before using the smoother on the data (res_rtp_asterisk.c)</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;">The patch was tested using the scenario described in ASTERISK-24858</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>/tags/13.2.0/res/res_rtp_asterisk.c <span style="color: grey">(433002)</span></li>
<li>/tags/13.2.0/res/res_pjsip_sdp_rtp.c <span style="color: grey">(433002)</span></li>
<li>/tags/13.2.0/main/rtp_engine.c <span style="color: grey">(433002)</span></li>
<li>/tags/13.2.0/main/format.c <span style="color: grey">(433002)</span></li>
<li>/tags/13.2.0/main/codec_builtin.c <span style="color: grey">(433002)</span></li>
<li>/tags/13.2.0/include/asterisk/format.h <span style="color: grey">(433002)</span></li>
<li>/tags/13.2.0/include/asterisk/codec.h <span style="color: grey">(433002)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/4505/diff/" style="margin-left: 3em;">View Diff</a></p>
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