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<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>237872</bug_id>
          
          <creation_ts>2022-03-14 21:06:01 -0700</creation_ts>
          <short_desc>REGRESSION(r289154) [GSTREAMER] webrtc/vp8-then-h264.html is crashing after SDK update to fdo 21.08 and Gstreamer 1.20</short_desc>
          <delta_ts>2022-03-20 09:00:30 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>Media</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          <see_also>https://bugs.webkit.org/show_bug.cgi?id=236136</see_also>
    
    <see_also>https://bugs.webkit.org/show_bug.cgi?id=237873</see_also>
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Lauro Moura">lmoura</reporter>
          <assigned_to name="Philippe Normand">pnormand</assigned_to>
          <cc>aperez</cc>
    
    <cc>bugs-noreply</cc>
    
    <cc>eocanha</cc>
    
    <cc>eric.carlson</cc>
    
    <cc>ews-watchlist</cc>
    
    <cc>glenn</cc>
    
    <cc>hta</cc>
    
    <cc>jer.noble</cc>
    
    <cc>philipj</cc>
    
    <cc>pnormand</cc>
    
    <cc>sergio</cc>
    
    <cc>tommyw</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1851136</commentid>
    <comment_count>0</comment_count>
    <who name="Lauro Moura">lmoura</who>
    <bug_when>2022-03-14 21:06:01 -0700</bug_when>
    <thetext>webrtc/vp8-then-h264.html

Crashing failing to create video converter after SDK updated to FDO 21.08 and GST 1.20 in r289154 (bug236136)

First failure: https://build.webkit.org/#/builders/63/builds/4028

Threadd 1 trace:

Thread 1 (Thread 0x7f2810320640 (LWP 127)):
#0  g_logv (log_domain=0x7f28f6b7cc40 &quot;GStreamer-Video&quot;, log_level=G_LOG_LEVEL_CRITICAL, format=&lt;optimized out&gt;, args=&lt;optimized out&gt;) at ../glib/gmessages.c:1417
#1  0x00007f28f7be8073 in g_log (log_domain=&lt;optimized out&gt;, log_level=&lt;optimized out&gt;, format=&lt;optimized out&gt;) at ../glib/gmessages.c:1455
#2  0x00007f28fefca937 in WebCore::GStreamerVideoFrameLibWebRTC::ToI420() () at /app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.1.so.0
#3  0x00007f28ff01f321 in webrtc::LibvpxVp8Encoder::PrepareBuffers(rtc::scoped_refptr&lt;webrtc::VideoFrameBuffer&gt;) () at /app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.1.so.0
#4  0x00007f28ff0202de in webrtc::LibvpxVp8Encoder::Encode(webrtc::VideoFrame const&amp;, std::vector&lt;webrtc::VideoFrameType, std::allocator&lt;webrtc::VideoFrameType&gt; &gt; const*) [clone .part.0] () at /app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.1.so.0
#5  0x00007f29011c6d76 in webrtc::VideoStreamEncoder::EncodeVideoFrame(webrtc::VideoFrame const&amp;, long) () at /app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.1.so.0
#6  0x00007f29011c8a3f in webrtc::webrtc_new_closure_impl::ClosureTask&lt;webrtc::VideoStreamEncoder::OnFrame(webrtc::VideoFrame const&amp;)::{lambda()#2}&gt;::Run() () at /app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.1.so.0
#7  0x00007f2901055bbc in std::_Function_handler&lt;void (), webrtc::(anonymous namespace)::TaskQueueStdlib::TaskQueueStdlib(std::basic_string_view&lt;char, std::char_traits&lt;char&gt; &gt;, rtc::ThreadPriority)::{lambda()#1}&gt;::_M_invoke(std::_Any_data const&amp;) () at /app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.1.so.0
#8  0x00007f28fed58d0e in rtc::(anonymous namespace)::RunPlatformThread(void*) () at /app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.1.so.0
#9  0x00007f28f7b6f3ba in start_thread (arg=0x7f2810320640) at pthread_create.c:481
#10 0x00007f28f7614b03 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Relevant stderr:

STDERR: (webrtc_video_engine.cc:3482): Absent receive stream; ignoring clearing encoded frame sink for ssrc 0
STDERR: Mesa: The provided filesystem timestamp for the cache is bogus! Disabling On-disk cache.
STDERR: (webrtc_video_engine.cc:3482): Absent receive stream; ignoring clearing encoded frame sink for ssrc 0
STDERR: gst_video_converter_frame: assertion &apos;convert != NULL&apos; failed
STDERR: WebKitWebProcess terminated (pid 54) because the process crashed⏎</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1853053</commentid>
    <comment_count>1</comment_count>
      <attachid>455194</attachid>
    <who name="Philippe Normand">pnormand</who>
    <bug_when>2022-03-20 04:43:20 -0700</bug_when>
    <thetext>Created attachment 455194
[fast-cq] Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1853059</commentid>
    <comment_count>2</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2022-03-20 07:20:08 -0700</bug_when>
    <thetext>Committed r291544 (248650@main): &lt;https://commits.webkit.org/248650@main&gt;

All reviewed patches have been landed. Closing bug and clearing flags on attachment 455194.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1853060</commentid>
    <comment_count>3</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2022-03-20 07:21:16 -0700</bug_when>
    <thetext>&lt;rdar://problem/90538374&gt;</thetext>
  </long_desc>
      
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            <date>2022-03-20 04:43:20 -0700</date>
            <delta_ts>2022-03-20 09:00:30 -0700</delta_ts>
            <desc>[fast-cq] Patch</desc>
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            <attacher name="Philippe Normand">pnormand</attacher>
            
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    </bug>

</bugzilla>