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This is an automatically generated e-mail. To reply, visit:
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<p style="margin-top: 0;">On December 20th, 2010, 2:02 p.m., <b>Russell Bryant</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/1062/diff/2/?file=14758#file14758line212" style="color: black; font-weight: bold; text-decoration: underline;">/include/asterisk/format.h</a>
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(Diff revision 2)
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">int ast_format_joint(struct ast_format *format1, struct ast_format *format2, struct ast_format *result);</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"> * \brief copy format src into format dst.</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">void</span> <span class="n">ast_format_copy</span><span class="p">(</span><span class="k">struct</span> <span class="n">ast_format</span> <span class="o">*</span><span class="n">src</span><span class="p">,</span> <span class="k">struct</span> <span class="n">ast_format</span> <span class="o">*</span><span class="n">dst</span><span class="p">);</span></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;">It might be worth explicitly documenting that this is a shallow copy of ast_format.</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;">I know what you are hinting at here, but it is not currently allowed for the format attribute field to point to dynamically allocated memory. So, right now this is a deep copy.</pre>
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<p style="margin-top: 0;">On December 20th, 2010, 2:02 p.m., <b>Russell Bryant</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/1062/diff/2/?file=14760#file14760line258" style="color: black; font-weight: bold; text-decoration: underline;">/main/format.c</a>
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(Diff revision 2)
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">int ast_format_joint(struct ast_format *format1, struct ast_format *format2, struct ast_format *result)</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_attr_reg_interface</span><span class="p">(</span><span class="k">struct</span> <span class="n">ast_format_attr_interface</span> <span class="o">*</span><span class="n">interface</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="k">struct</span> <span class="n">interface_ao2_wrapper</span> <span class="o">*</span><span class="n">wrapper</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">/* check for duplicates first, remove if they exist */</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">ast_format_attr_unreg_interface</span><span class="p">(</span><span class="n">interface</span><span class="p">);</span></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;">What about just checking for an existing interface and returning and logging an error if one is found? With it written this way a module could cause an interface registered by another module to get unregistered silently. That seems odd to me.</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;">You're right, this is odd.</pre>
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<p style="margin-top: 0;">On December 20th, 2010, 2:02 p.m., <b>Russell Bryant</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/1062/diff/2/?file=14761#file14761line64" style="color: black; font-weight: bold; text-decoration: underline;">/main/format_cap.c</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int hash_cb(const void *obj, const int flags)</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_cap</span> <span class="o">*</span><span class="nf">ast_cap_alloc</span><span class="p">(</span><span class="kt">void</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="k">struct</span> <span class="n">ast_cap</span> <span class="o">*</span><span class="n">cap</span> <span class="o">=</span> <span class="n">ast_calloc</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="k">sizeof</span><span class="p">(</span><span class="o">*</span><span class="n">cap</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">cap</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="nb">NULL</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="k">if</span> <span class="p">(</span><span class="o">!</span><span class="p">(</span><span class="n">cap</span><span class="o">-></span><span class="n">formats</span> <span class="o">=</span> <span class="n">ao2_container_alloc</span><span class="p">(</span><span class="mi">256</span><span class="p">,</span> <span class="n">hash_cb</span><span class="p">,</span> <span class="n">cmp_cb</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="n">ast_free</span><span class="p">(</span><span class="n">cap</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="nb">NULL</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="k">return</span> <span class="n">cap</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="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Any reason not to go ahead and make this an astobj2 object so ref counts are available if needed?</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;">I don't expect ref counts will be necessary for this object since the functionality it is replacing never required ref counting. If they are needed in the future, it will be trivial to change this allocation.</pre>
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<p>- David</p>
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<p>On December 20th, 2010, 12:48 p.m., David Vossel wrote:</p>
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<div>Review request for Asterisk Developers and Russell Bryant.</div>
<div>By David Vossel.</div>
<p style="color: grey;"><i>Updated 2010-12-20 12:48:11</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;">Here is what I am working on. https://wiki.asterisk.org/wiki/display/AST/Media+Architecture+Proposal
This is phase 1 step 1 of that proposal.
Below is everything that is included in this review.
Step 1
* Define new format unique ID system using numbers rather than bits. Allow this definition to remain unused during this step except by the new APIs.
* Create Ast Format API + unit tests.
* Create Ast Capibility API + unit tests.
* Create IAX2 Conversion layer for ast_format and ast_cap objects. Create unit tests and leave this layer inactive until conversion to new APIs takes place.
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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;">Unit tests are included.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>/trunk/include/asterisk/format.h <span style="color: grey">(PRE-CREATION)</span></li>
<li>/trunk/include/asterisk/format_cap.h <span style="color: grey">(PRE-CREATION)</span></li>
<li>/trunk/main/format.c <span style="color: grey">(PRE-CREATION)</span></li>
<li>/trunk/main/format_cap.c <span style="color: grey">(PRE-CREATION)</span></li>
<li>/trunk/tests/test_format_api.c <span style="color: grey">(PRE-CREATION)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/1062/diff/" style="margin-left: 3em;">View Diff</a></p>
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