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This is an automatically generated e-mail. To reply, visit:
<a href="https://reviewboard.asterisk.org/r/3713/">https://reviewboard.asterisk.org/r/3713/</a>
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<p style="margin-top: 0;">On July 5th, 2014, 10:04 a.m. EDT, <b>Matt Jordan</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/3713/diff/1/?file=62293#file62293line160" style="color: black; font-weight: bold; text-decoration: underline;">/team/group/media_formats-reviewed-trunk/main/format_cap.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 inline int format_cap_framed_init(struct format_cap_framed *framed, struct ast_format_cap *cap, struct ast_format *format, unsigned int framing)</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">/* Order doesn't matter for formats, so insert at the head for performance reasons */</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">/* Order doesn't matter for formats, so insert at the head for performance reasons */</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="n">ao2_ref</span><span class="p">(</span><span class="n">framed</span><span class="p">,</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="n">AST_LIST_INSERT_HEAD</span><span class="p">(</span><span class="n">list</span><span class="p">,</span> <span class="n">framed</span><span class="p">,</span> <span class="n">entry</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="n">AST_LIST_INSERT_HEAD</span><span class="p">(</span><span class="n">list</span><span class="p">,</span> <span class="n">framed</span><span class="p">,</span> <span class="n">entry</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; "></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Hm. I thought we got rid of this on purpose, since the ao2_alloc_options of the framed object already provides it a ref count of 1.
Who decrements the allocation reference?</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">We did remove it by mistake. After format_cap_framed_init we need framed to have 2 references. The one we add here belongs to the cap->formats list, the other (from ao2_alloc) belongs to cap->preference_order.
These two references are removed when the format is removed from the cap. See format_cap_destroy or ast_format_cap_remove for example, the frame is decremented when removed from the cap->formats and cap->preference_order. This without this reference I'm adding back in we get a frack for every format added to a cap.</pre>
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<p>- Corey</p>
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<p>On July 4th, 2014, 4:49 p.m. EDT, Corey Farrell wrote:</p>
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<div>Review request for Asterisk Developers.</div>
<div>By Corey Farrell.</div>
<p style="color: grey;"><i>Updated July 4, 2014, 4:49 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;">I missed a couple issues on r3689:
* chan_mgcp: buf unused variable prevents devmode build
* chan_skinny / chan_unistim: tech.capabilities double ao2_cleanup
* format_cap: ao2_ref(framed, +1) was mistakenly removed, causing many fracks
In the case of format_cap, I didn't notice that it was being added to a cap->formats and caps->preference_order.</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;">Compile, run, shutdown gracefully with no fracks.</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/media_formats-reviewed-trunk/main/format_cap.c <span style="color: grey">(418064)</span></li>
<li>/team/group/media_formats-reviewed-trunk/channels/chan_unistim.c <span style="color: grey">(418064)</span></li>
<li>/team/group/media_formats-reviewed-trunk/channels/chan_skinny.c <span style="color: grey">(418064)</span></li>
<li>/team/group/media_formats-reviewed-trunk/channels/chan_mgcp.c <span style="color: grey">(418064)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/3713/diff/" style="margin-left: 3em;">View Diff</a></p>
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