[Webkit-unassigned] [Bug 250656] [GStreamer] Address issues to enable all tests of fast/speechsynthesis

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=250656

--- Comment #3 from ChangSeok Oh <changseok at webkit.org> ---
(In reply to Philippe Normand from comment #2)
> Can you post the crash backtrace?

Sure.

#0  0x00007ffff1ecbdd8 in WTF::String::tryGetUTF8(WTF::ConversionMode) const ()           
   from target:/app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0          
#1  0x00007ffff1ecbea0 in WTF::String::utf8(WTF::ConversionMode) const ()                 
   from target:/app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0          
#2  0x00007ffff51985ea in webKitFliteSrcSetUtterance(_WebKitFliteSrc*, WTF::String const&, WebCore::PlatformSpeechSynthesisVoice const&) () from target:/app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.1.so.0
#3  0x00007ffff51914e8 in WebCore::GstSpeechSynthesisWrapper::speakUtterance(WTF::RefPtr<WebCore::PlatformSpeechSynthesisUtterance, WTF::RawPtrTraits<WebCore::PlatformSpeechSynthesisUtterance>, WTF::DefaultRefDerefTraits<WebCore::PlatformSpeechSynthesisUtterance> >&&) [clone .part.0] ()
   from target:/app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.1.so.0                 
#4  0x00007ffff51923f5 in WebCore::PlatformSpeechSynthesizer::speak(WTF::RefPtr<WebCore::PlatformSpeechSynthesisUtterance, WTF::RawPtrTraits<WebCore::PlatformSpeechSynthesisUtterance>, WTF::DefaultRefDerefTraits<WebCore::PlatformSpeechSynthesisUtterance> >&&) ()
   from target:/app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.1.so.0                 
#5  0x00007ffff5f5f312 in WebCore::SpeechSynthesis::startSpeakingImmediately(WebCore::SpeechSynthesisUtterance&) () from target:/app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.1.so.0
#6  0x00007ffff5b39f98 in WebCore::jsSpeechSynthesisPrototypeFunction_speak(JSC::JSGlobalObject*, JSC::CallFrame*) () from target:/app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.1.so.0
#7  0x00007fff90008038 in ?? ()                                                 
#8  0x00007fffffffc180 in ?? ()                                                           
#9  0x00007ffff093a5e4 in js_trampoline_op_call ()                              
   from target:/app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.1.so.0                          
#10 0x0000000000000000 in ?? ()

The fix is coming. But we need to discuss the failure for fast/speechsynthesis/voices-non-mock.html

The GTK/WPE fails in shouldBeTrue("voiceCount > 20"). This means we need more than 20 voices to pass the test. Currently, GTK/WPE ports have 4 voices. I don't know why 20 here though, a possible fix is to make it shouldBeTrue("voiceCount > 0")? Any thought?

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