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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - ASSERTION FAILED: numberOfChannels == 2 in WebCore::RealtimeIncomingAudioSource::OnData"
href="https://bugs.webkit.org/show_bug.cgi?id=169224">169224</a>
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<th>Summary</th>
<td>ASSERTION FAILED: numberOfChannels == 2 in WebCore::RealtimeIncomingAudioSource::OnData
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>Product</th>
<td>WebKit
</td>
</tr>
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<th>Version</th>
<td>WebKit Nightly Build
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Unspecified
</td>
</tr>
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<th>OS</th>
<td>Unspecified
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>Normal
</td>
</tr>
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<th>Priority</th>
<td>P2
</td>
</tr>
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<th>Component</th>
<td>New Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>ryanhaddad@apple.com
</td>
</tr></table>
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<pre>ASSERTION FAILED: numberOfChannels == 2
/Volumes/Data/slave/sierra-debug/build/Source/WebCore/platform/mediastream/mac/RealtimeIncomingAudioSource.cpp(84) : virtual void WebCore::RealtimeIncomingAudioSource::OnData(const void *, int, int, size_t, size_t)
1 0x107693b8d WTFCrash
2 0x10cf2a9c5 WebCore::RealtimeIncomingAudioSource::OnData(void const*, int, int, unsigned long, unsigned long)
3 0x10cf2adab non-virtual thunk to WebCore::RealtimeIncomingAudioSource::OnData(void const*, int, int, unsigned long, unsigned long)
4 0x1049a2bba webrtc::RemoteAudioSource::OnData(webrtc::AudioSinkInterface::Data const&)
5 0x1049a361a webrtc::RemoteAudioSource::Sink::OnData(webrtc::AudioSinkInterface::Data const&)
6 0x104338fcc webrtc::voe::Channel::GetAudioFrameWithMuted(int, webrtc::AudioFrame*)
7 0x104339b9d webrtc::voe::Channel::GetAudioFrameWithInfo(int, webrtc::AudioFrame*)
8 0x1043549ec webrtc::voe::ChannelProxy::GetAudioFrameWithInfo(int, webrtc::AudioFrame*)
9 0x10428ae7a webrtc::internal::AudioReceiveStream::GetAudioFrameWithInfo(int, webrtc::AudioFrame*)
10 0x10428aeb2 non-virtual thunk to webrtc::internal::AudioReceiveStream::GetAudioFrameWithInfo(int, webrtc::AudioFrame*)
11 0x1041eb053 webrtc::AudioMixerImpl::GetAudioFromSources()
12 0x1041ea2f6 webrtc::AudioMixerImpl::Mix(unsigned long, webrtc::AudioFrame*)
13 0x1045f3539 webrtc::AudioTransportProxy::PullRenderData(int, int, unsigned long, unsigned long, void*, long long*, long long*)
14 0x10cad35ac WebCore::LibWebRTCAudioModule::PollFromSource()
15 0x10cad32f7 WebCore::LibWebRTCAudioModule::StartPlayoutOnAudioThread()
16 0x10cad32c8 WebCore::LibWebRTCAudioModule::OnMessage(rtc::Message*)
17 0x10cad339c non-virtual thunk to WebCore::LibWebRTCAudioModule::OnMessage(rtc::Message*)
18 0x104515f16 rtc::MessageQueue::Dispatch(rtc::Message*)
19 0x10492e20d rtc::Thread::ProcessMessages(int)
20 0x10492e12a rtc::Thread::Run()
21 0x10492de4e rtc::Thread::PreRun(void*)
22 0x7fffd5f67aab _pthread_body
23 0x7fffd5f679f7 _pthread_body
24 0x7fffd5f671fd thread_start
Seen with LayoutTest webrtc/audio-peer-connection-webaudio.html
<a href="https://build.webkit.org/results/Apple%20Sierra%20Debug%20WK2%20(Tests)/r213458%20(2455)/results.html">https://build.webkit.org/results/Apple%20Sierra%20Debug%20WK2%20(Tests)/r213458%20(2455)/results.html</a></pre>
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