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<h3>
Arun Raghavan pushed to branch master
at <a href="https://gitlab.freedesktop.org/pulseaudio/pulseaudio">PulseAudio / pulseaudio</a>
</h3>
<h4>
Commits:
</h4>
<ul>
<li>
<strong><a href="https://gitlab.freedesktop.org/pulseaudio/pulseaudio/commit/bdf66c4693c8775dc3c4a403cbae77a56d4b1e29">bdf66c46</a></strong>
<div>
<span>by Pali Rohár</span>
<i>at 2019-08-27T03:14:27Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">bluetooth: Only perform write-related calculations when we have a sink
This avoids a potential divide-by-zero when we try to decide how much to
write to the sink in the source thread when there is no sink.
Fixes https://gitlab.freedesktop.org/pulseaudio/pulseaudio/issues/717
</pre>
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<h4>1 changed file:</h4>
<ul>
<li class="file-stats">
<a href="#b6a7b3a98a09917ae50ea68ef4e0e7a74bab249b">
src/modules/bluetooth/module-bluez5-device.c
</a>
</li>
</ul>
<h4>Changes:</h4>
<li id="b6a7b3a98a09917ae50ea68ef4e0e7a74bab249b">
<a href="https://gitlab.freedesktop.org/pulseaudio/pulseaudio/commit/bdf66c4693c8775dc3c4a403cbae77a56d4b1e29#b6a7b3a98a09917ae50ea68ef4e0e7a74bab249b"><strong>src/modules/bluetooth/module-bluez5-device.c</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1378,7 +1378,7 @@ static void thread_func(void *userdata) {</td>
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1378
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<pre style="margin: 0;"> <span id="LC1378" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">have_source</span><span class="p">)</span> <span class="p">{</span></span>
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1379
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1379
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<pre style="margin: 0;"> <span id="LC1379" class="line" lang="c"></span>
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1380
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1380
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<pre style="margin: 0;"> <span id="LC1380" class="line" lang="c"> <span class="cm" style="color: #998; font-style: italic;">/* We should send two blocks to the device before we expect a response. */</span></span>
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1381
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<pre style="margin: 0;">-<span id="LC1381" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">u</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">write_index</span> <span class="o" style="font-weight: 600;">==</span> <span class="mi" style="color: #099;">0</span> <span class="o" style="font-weight: 600;">&&</span> <span class="n" style="color: #333;">u</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">read_index</span> <span class="o" style="font-weight: 600;"><=</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span></span>
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<td class="diff-line-num new old_line" data-linenumber="1382" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="1381" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1381
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<pre style="margin: 0;">+<span id="LC1381" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">have_sink</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">&&</span></span><span class="idiff right"> </span><span class="n" style="color: #333;">u</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">write_index</span> <span class="o" style="font-weight: 600;">==</span> <span class="mi" style="color: #099;">0</span> <span class="o" style="font-weight: 600;">&&</span> <span class="n" style="color: #333;">u</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">read_index</span> <span class="o" style="font-weight: 600;"><=</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span></span>
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1382
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1382
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<pre style="margin: 0;"> <span id="LC1382" class="line" lang="c"> <span class="n" style="color: #333;">blocks_to_write</span> <span class="o" style="font-weight: 600;">=</span> <span class="mi" style="color: #099;">2</span><span class="p">;</span></span>
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1383
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1383
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<pre style="margin: 0;"> <span id="LC1383" class="line" lang="c"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1384" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1384
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<td class="diff-line-num new_line" data-linenumber="1384" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1384
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<pre style="margin: 0;"> <span id="LC1384" class="line" lang="c"> <span class="cm" style="color: #998; font-style: italic;">/* If we got woken up by POLLIN let's do some reading */</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1393" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1393" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1393,7 +1393,7 @@ static void thread_func(void *userdata) {</td>
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1393
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1393
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<pre style="margin: 0;"> <span id="LC1393" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">n_read</span> <span class="o" style="font-weight: 600;"><</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span></span>
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<td class="diff-line-num old_line" data-linenumber="1394" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1394
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<td class="diff-line-num new_line" data-linenumber="1394" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC1394" class="line" lang="c"> <span class="k" style="font-weight: 600;">goto</span> <span class="n" style="color: #333;">fail</span><span class="p">;</span></span>
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<td class="diff-line-num old_line" data-linenumber="1395" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="1395" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1395
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<pre style="margin: 0;"> <span id="LC1395" class="line" lang="c"></span>
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<td class="diff-line-num old old_line" data-linenumber="1396" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1396
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<pre style="margin: 0;">-<span id="LC1396" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">n_read</span> <span class="o" style="font-weight: 600;">></span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">{</span></span>
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<td class="diff-line-num new old_line" data-linenumber="1397" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="1396" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1396
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<pre style="margin: 0;">+<span id="LC1396" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">have_sink</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">&&</span></span><span class="idiff right"> </span><span class="n" style="color: #333;">n_read</span> <span class="o" style="font-weight: 600;">></span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">{</span></span>
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<td class="diff-line-num old_line" data-linenumber="1397" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1397
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<td class="diff-line-num new_line" data-linenumber="1397" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1397
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<pre style="margin: 0;"> <span id="LC1397" class="line" lang="c"> <span class="cm" style="color: #998; font-style: italic;">/* We just read something, so we are supposed to write something, too */</span></span>
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<td class="diff-line-num old_line" data-linenumber="1398" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1398
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1398
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<pre style="margin: 0;"> <span id="LC1398" class="line" lang="c"> <span class="n" style="color: #333;">bytes_to_write</span> <span class="o" style="font-weight: 600;">+=</span> <span class="n" style="color: #333;">n_read</span><span class="p">;</span></span>
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<td class="diff-line-num old_line" data-linenumber="1399" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1399
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1399
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<pre style="margin: 0;"> <span id="LC1399" class="line" lang="c"> <span class="n" style="color: #333;">blocks_to_write</span> <span class="o" style="font-weight: 600;">+=</span> <span class="n" style="color: #333;">bytes_to_write</span> <span class="o" style="font-weight: 600;">/</span> <span class="n" style="color: #333;">u</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">write_block_size</span><span class="p">;</span></span>
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