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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/244640">244640</a></dd>
<dt>Author</dt> <dd>philn@webkit.org</dd>
<dt>Date</dt> <dd>2019-04-25 00:47:25 -0700 (Thu, 25 Apr 2019)</dd>
</dl>
<h3>Log Message</h3>
<pre>[REGRESSION(<a href="http://trac.webkit.org/projects/webkit/changeset/243197">r243197</a>)][GStreamer] http/tests/media/clearkey/collect-webkit-media-session.html hits an ASSERT
https://bugs.webkit.org/show_bug.cgi?id=197230
Reviewed by Xabier Rodriguez-Calvar.
Perform the resource loader disposal and destruction from the main
thread. Also ensure there's no circular reference between the
CachedResourceStreamingClient and WebKitWebSrc when disposing of
the private WebKitWebSrc storage.
* platform/graphics/gstreamer/MainThreadNotifier.h:
* platform/graphics/gstreamer/WebKitWebSourceGStreamer.cpp:
(_WebKitWebSrcPrivate::~_WebKitWebSrcPrivate):
(webkit_web_src_class_init):
(webKitWebSrcDispose):
(webKitWebSrcCloseSession):
(webKitWebSrcFinalize): Deleted.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsgstreamerMainThreadNotifierh">trunk/Source/WebCore/platform/graphics/gstreamer/MainThreadNotifier.h</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsgstreamerWebKitWebSourceGStreamercpp">trunk/Source/WebCore/platform/graphics/gstreamer/WebKitWebSourceGStreamer.cpp</a></li>
</ul>
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<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (244639 => 244640)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog 2019-04-25 06:42:40 UTC (rev 244639)
+++ trunk/Source/WebCore/ChangeLog 2019-04-25 07:47:25 UTC (rev 244640)
</span><span class="lines">@@ -1,3 +1,23 @@
</span><ins>+2019-04-25 Philippe Normand <pnormand@igalia.com>
+
+ [REGRESSION(r243197)][GStreamer] http/tests/media/clearkey/collect-webkit-media-session.html hits an ASSERT
+ https://bugs.webkit.org/show_bug.cgi?id=197230
+
+ Reviewed by Xabier Rodriguez-Calvar.
+
+ Perform the resource loader disposal and destruction from the main
+ thread. Also ensure there's no circular reference between the
+ CachedResourceStreamingClient and WebKitWebSrc when disposing of
+ the private WebKitWebSrc storage.
+
+ * platform/graphics/gstreamer/MainThreadNotifier.h:
+ * platform/graphics/gstreamer/WebKitWebSourceGStreamer.cpp:
+ (_WebKitWebSrcPrivate::~_WebKitWebSrcPrivate):
+ (webkit_web_src_class_init):
+ (webKitWebSrcDispose):
+ (webKitWebSrcCloseSession):
+ (webKitWebSrcFinalize): Deleted.
+
</ins><span class="cx"> 2019-04-24 Carlos Garcia Campos <cgarcia@igalia.com>
</span><span class="cx">
</span><span class="cx"> [GTK] Hardcoded text color in input fields
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsgstreamerMainThreadNotifierh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/gstreamer/MainThreadNotifier.h (244639 => 244640)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/gstreamer/MainThreadNotifier.h 2019-04-25 06:42:40 UTC (rev 244639)
+++ trunk/Source/WebCore/platform/graphics/gstreamer/MainThreadNotifier.h 2019-04-25 07:47:25 UTC (rev 244640)
</span><span class="lines">@@ -40,6 +40,8 @@
</span><span class="cx"> ASSERT(!m_isValid.load());
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+ bool isValid() const { return m_isValid.load(); }
+
</ins><span class="cx"> template<typename F>
</span><span class="cx"> void notify(T notificationType, F&& callbackFunctor)
</span><span class="cx"> {
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsgstreamerWebKitWebSourceGStreamercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/gstreamer/WebKitWebSourceGStreamer.cpp (244639 => 244640)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/gstreamer/WebKitWebSourceGStreamer.cpp 2019-04-25 06:42:40 UTC (rev 244639)
+++ trunk/Source/WebCore/platform/graphics/gstreamer/WebKitWebSourceGStreamer.cpp 2019-04-25 07:47:25 UTC (rev 244640)
</span><span class="lines">@@ -46,6 +46,8 @@
</span><span class="cx">
</span><span class="cx"> const HashSet<RefPtr<WebCore::SecurityOrigin>>& securityOrigins() const { return m_origins; }
</span><span class="cx">
</span><ins>+ void setSourceElement(WebKitWebSrc* src) { m_src = GST_ELEMENT_CAST(src); }
+
</ins><span class="cx"> private:
</span><span class="cx"> void checkUpdateBlocksize(uint64_t bytesRead);
</span><span class="cx">
</span><span class="lines">@@ -73,10 +75,29 @@
</span><span class="cx"> enum MainThreadSourceNotification {
</span><span class="cx"> Start = 1 << 0,
</span><span class="cx"> Stop = 1 << 1,
</span><ins>+ Dispose = 1 << 2,
</ins><span class="cx"> };
</span><span class="cx">
</span><span class="cx"> #define WEBKIT_WEB_SRC_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE((obj), WEBKIT_TYPE_WEB_SRC, WebKitWebSrcPrivate))
</span><span class="cx"> struct _WebKitWebSrcPrivate {
</span><ins>+ ~_WebKitWebSrcPrivate()
+ {
+ if (notifier && notifier->isValid()) {
+ notifier->notifyAndWait(MainThreadSourceNotification::Dispose, [&] {
+ if (resource) {
+ auto* client = static_cast<CachedResourceStreamingClient*>(resource->client());
+ if (client)
+ client->setSourceElement(nullptr);
+
+ resource->setClient(nullptr);
+ }
+ loader = nullptr;
+ });
+ notifier->invalidate();
+ notifier = nullptr;
+ }
+ }
+
</ins><span class="cx"> CString originalURI;
</span><span class="cx"> CString redirectedURI;
</span><span class="cx"> bool keepAlive;
</span><span class="lines">@@ -131,7 +152,6 @@
</span><span class="cx"> static void webKitWebSrcUriHandlerInit(gpointer gIface, gpointer ifaceData);
</span><span class="cx">
</span><span class="cx"> static void webKitWebSrcDispose(GObject*);
</span><del>-static void webKitWebSrcFinalize(GObject*);
</del><span class="cx"> static void webKitWebSrcSetProperty(GObject*, guint propertyID, const GValue*, GParamSpec*);
</span><span class="cx"> static void webKitWebSrcGetProperty(GObject*, guint propertyID, GValue*, GParamSpec*);
</span><span class="cx"> static GstStateChangeReturn webKitWebSrcChangeState(GstElement*, GstStateChange);
</span><span class="lines">@@ -158,7 +178,6 @@
</span><span class="cx"> GObjectClass* oklass = G_OBJECT_CLASS(klass);
</span><span class="cx">
</span><span class="cx"> oklass->dispose = webKitWebSrcDispose;
</span><del>- oklass->finalize = webKitWebSrcFinalize;
</del><span class="cx"> oklass->set_property = webKitWebSrcSetProperty;
</span><span class="cx"> oklass->get_property = webKitWebSrcGetProperty;
</span><span class="cx">
</span><span class="lines">@@ -245,21 +264,10 @@
</span><span class="cx"> static void webKitWebSrcDispose(GObject* object)
</span><span class="cx"> {
</span><span class="cx"> WebKitWebSrcPrivate* priv = WEBKIT_WEB_SRC(object)->priv;
</span><del>- if (priv->notifier) {
- priv->notifier->invalidate();
- priv->notifier = nullptr;
- }
</del><span class="cx">
</span><del>- GST_CALL_PARENT(G_OBJECT_CLASS, dispose, (object));
-}
-
-static void webKitWebSrcFinalize(GObject* object)
-{
- WebKitWebSrcPrivate* priv = WEBKIT_WEB_SRC(object)->priv;
-
</del><span class="cx"> priv->~WebKitWebSrcPrivate();
</span><span class="cx">
</span><del>- GST_CALL_PARENT(G_OBJECT_CLASS, finalize, (object));
</del><ins>+ GST_CALL_PARENT(G_OBJECT_CLASS, dispose, (object));
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> static void webKitWebSrcSetProperty(GObject* object, guint propID, const GValue* value, GParamSpec* pspec)
</span></span></pre>
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