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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/277438">277438</a></dd>
<dt>Author</dt> <dd>aboya@igalia.com</dd>
<dt>Date</dt> <dd>2021-05-13 10:03:39 -0700 (Thu, 13 May 2021)</dd>
</dl>
<h3>Log Message</h3>
<pre>[WTF] Add holdLock() overload for WTF::DataMutex
https://bugs.webkit.org/show_bug.cgi?id=225652
Reviewed by Xabier Rodriguez-Calvar.
Source/WebCore:
All instantiations of DataMutex::LockedWrapper have been replaced by
holdLock(), for equivalent but more concise code.
This patch introduces no behavior changes.
* platform/graphics/gstreamer/WebKitWebSourceGStreamer.cpp:
(webKitWebSrcConstructed):
(webKitWebSrcGetProperty):
(webKitWebSrcSetContext):
(webKitWebSrcCreate):
(webKitWebSrcMakeRequest):
(webKitWebSrcStop):
(webKitWebSrcGetSize):
(webKitWebSrcIsSeekable):
(webKitWebSrcDoSeek):
(webKitWebSrcQuery):
(webKitWebSrcUnLock):
(webKitWebSrcUnLockStop):
(webKitWebSrcSetMediaPlayer):
(webKitSrcPassedCORSAccessCheck):
(CachedResourceStreamingClient::responseReceived):
(CachedResourceStreamingClient::dataReceived):
(CachedResourceStreamingClient::accessControlCheckFailed):
(CachedResourceStreamingClient::loadFailed):
(CachedResourceStreamingClient::loadFinished):
(webKitSrcWouldTaintOrigin):
* platform/graphics/gstreamer/mse/MediaSourceTrackGStreamer.cpp:
(WebCore::MediaSourceTrackGStreamer::isReadyForMoreSamples):
(WebCore::MediaSourceTrackGStreamer::notifyWhenReadyForMoreSamples):
(WebCore::MediaSourceTrackGStreamer::enqueueObject):
(WebCore::MediaSourceTrackGStreamer::clearQueue):
* platform/graphics/gstreamer/mse/WebKitMediaSourceGStreamer.cpp:
(webKitMediaSrcActivateMode):
(webKitMediaSrcPadLinked):
(webKitMediaSrcLoop):
(webKitMediaSrcStreamFlush):
Source/WTF:
This patch adds a holdLock() overload for WTF::DataMutex as syntactic
sugar to simplify usage in a similar way to what holdLock() already
does for WTF::Locker.
* wtf/DataMutex.h:
(WTF::holdLock):</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWTFChangeLog">trunk/Source/WTF/ChangeLog</a></li>
<li><a href="#trunkSourceWTFwtfDataMutexh">trunk/Source/WTF/wtf/DataMutex.h</a></li>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsgstreamerWebKitWebSourceGStreamercpp">trunk/Source/WebCore/platform/graphics/gstreamer/WebKitWebSourceGStreamer.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsgstreamermseMediaSourceTrackGStreamercpp">trunk/Source/WebCore/platform/graphics/gstreamer/mse/MediaSourceTrackGStreamer.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsgstreamermseWebKitMediaSourceGStreamercpp">trunk/Source/WebCore/platform/graphics/gstreamer/mse/WebKitMediaSourceGStreamer.cpp</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWTFChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WTF/ChangeLog (277437 => 277438)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WTF/ChangeLog 2021-05-13 16:18:32 UTC (rev 277437)
+++ trunk/Source/WTF/ChangeLog 2021-05-13 17:03:39 UTC (rev 277438)
</span><span class="lines">@@ -1,3 +1,17 @@
</span><ins>+2021-05-13 Alicia Boya García <aboya@igalia.com>
+
+ [WTF] Add holdLock() overload for WTF::DataMutex
+ https://bugs.webkit.org/show_bug.cgi?id=225652
+
+ Reviewed by Xabier Rodriguez-Calvar.
+
+ This patch adds a holdLock() overload for WTF::DataMutex as syntactic
+ sugar to simplify usage in a similar way to what holdLock() already
+ does for WTF::Locker.
+
+ * wtf/DataMutex.h:
+ (WTF::holdLock):
+
</ins><span class="cx"> 2021-05-13 Darin Adler <darin@apple.com>
</span><span class="cx">
</span><span class="cx"> Remove StringBuilder::appendNumber
</span></span></pre></div>
<a id="trunkSourceWTFwtfDataMutexh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WTF/wtf/DataMutex.h (277437 => 277438)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WTF/wtf/DataMutex.h 2021-05-13 16:18:32 UTC (rev 277437)
+++ trunk/Source/WTF/wtf/DataMutex.h 2021-05-13 17:03:39 UTC (rev 277438)
</span><span class="lines">@@ -149,4 +149,10 @@
</span><span class="cx"> T m_data;
</span><span class="cx"> };
</span><span class="cx">
</span><ins>+template<typename T>
+typename DataMutex<T>::LockedWrapper holdLock(DataMutex<T>& dataMutex)
+{
+ return typename DataMutex<T>::LockedWrapper(dataMutex);
+}
+
</ins><span class="cx"> } // namespace WTF
</span></span></pre></div>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (277437 => 277438)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog 2021-05-13 16:18:32 UTC (rev 277437)
+++ trunk/Source/WebCore/ChangeLog 2021-05-13 17:03:39 UTC (rev 277438)
</span><span class="lines">@@ -1,3 +1,47 @@
</span><ins>+2021-05-13 Alicia Boya García <aboya@igalia.com>
+
+ [WTF] Add holdLock() overload for WTF::DataMutex
+ https://bugs.webkit.org/show_bug.cgi?id=225652
+
+ Reviewed by Xabier Rodriguez-Calvar.
+
+ All instantiations of DataMutex::LockedWrapper have been replaced by
+ holdLock(), for equivalent but more concise code.
+
+ This patch introduces no behavior changes.
+
+ * platform/graphics/gstreamer/WebKitWebSourceGStreamer.cpp:
+ (webKitWebSrcConstructed):
+ (webKitWebSrcGetProperty):
+ (webKitWebSrcSetContext):
+ (webKitWebSrcCreate):
+ (webKitWebSrcMakeRequest):
+ (webKitWebSrcStop):
+ (webKitWebSrcGetSize):
+ (webKitWebSrcIsSeekable):
+ (webKitWebSrcDoSeek):
+ (webKitWebSrcQuery):
+ (webKitWebSrcUnLock):
+ (webKitWebSrcUnLockStop):
+ (webKitWebSrcSetMediaPlayer):
+ (webKitSrcPassedCORSAccessCheck):
+ (CachedResourceStreamingClient::responseReceived):
+ (CachedResourceStreamingClient::dataReceived):
+ (CachedResourceStreamingClient::accessControlCheckFailed):
+ (CachedResourceStreamingClient::loadFailed):
+ (CachedResourceStreamingClient::loadFinished):
+ (webKitSrcWouldTaintOrigin):
+ * platform/graphics/gstreamer/mse/MediaSourceTrackGStreamer.cpp:
+ (WebCore::MediaSourceTrackGStreamer::isReadyForMoreSamples):
+ (WebCore::MediaSourceTrackGStreamer::notifyWhenReadyForMoreSamples):
+ (WebCore::MediaSourceTrackGStreamer::enqueueObject):
+ (WebCore::MediaSourceTrackGStreamer::clearQueue):
+ * platform/graphics/gstreamer/mse/WebKitMediaSourceGStreamer.cpp:
+ (webKitMediaSrcActivateMode):
+ (webKitMediaSrcPadLinked):
+ (webKitMediaSrcLoop):
+ (webKitMediaSrcStreamFlush):
+
</ins><span class="cx"> 2021-05-13 Darin Adler <darin@apple.com>
</span><span class="cx">
</span><span class="cx"> Remove StringBuilder::appendNumber
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsgstreamerWebKitWebSourceGStreamercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/gstreamer/WebKitWebSourceGStreamer.cpp (277437 => 277438)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/gstreamer/WebKitWebSourceGStreamer.cpp 2021-05-13 16:18:32 UTC (rev 277437)
+++ trunk/Source/WebCore/platform/graphics/gstreamer/WebKitWebSourceGStreamer.cpp 2021-05-13 17:03:39 UTC (rev 277438)
</span><span class="lines">@@ -301,7 +301,7 @@
</span><span class="cx">
</span><span class="cx"> priv->minimumBlocksize = gst_base_src_get_blocksize(GST_BASE_SRC_CAST(src));
</span><span class="cx">
</span><del>- DataMutex<WebKitWebSrcPrivate::StreamingMembers>::LockedWrapper members(priv->dataMutex);
</del><ins>+ auto members = holdLock(priv->dataMutex);
</ins><span class="cx"> members->adapter = adoptGRef(gst_adapter_new());
</span><span class="cx"> webkitWebSrcReset(src, members, ResetType::Hard);
</span><span class="cx">
</span><span class="lines">@@ -346,7 +346,7 @@
</span><span class="cx"> g_value_set_string(value, priv->originalURI.data());
</span><span class="cx"> break;
</span><span class="cx"> case PROP_RESOLVED_LOCATION: {
</span><del>- DataMutex<WebKitWebSrcPrivate::StreamingMembers>::LockedWrapper members(priv->dataMutex);
</del><ins>+ auto members = holdLock(priv->dataMutex);
</ins><span class="cx"> g_value_set_string(value, members->redirectedURI.isNull() ? priv->originalURI.data() : members->redirectedURI.data());
</span><span class="cx"> break;
</span><span class="cx"> }
</span><span class="lines">@@ -376,7 +376,7 @@
</span><span class="cx"> GST_DEBUG_OBJECT(src, "context type: %s", gst_context_get_context_type(context));
</span><span class="cx"> if (gst_context_has_context_type(context, WEBKIT_WEB_SRC_PLAYER_CONTEXT_TYPE_NAME)) {
</span><span class="cx"> const GValue* value = gst_structure_get_value(gst_context_get_structure(context), "player");
</span><del>- DataMutex<WebKitWebSrcPrivate::StreamingMembers>::LockedWrapper members(priv->dataMutex);
</del><ins>+ auto members = holdLock(priv->dataMutex);
</ins><span class="cx"> members->player = reinterpret_cast<MediaPlayer*>(g_value_get_pointer(value));
</span><span class="cx"> }
</span><span class="cx"> GST_ELEMENT_CLASS(parent_class)->set_context(element, context);
</span><span class="lines">@@ -459,7 +459,7 @@
</span><span class="cx"> GstBaseSrc* baseSrc = GST_BASE_SRC_CAST(pushSrc);
</span><span class="cx"> WebKitWebSrc* src = WEBKIT_WEB_SRC(baseSrc);
</span><span class="cx"> WebKitWebSrcPrivate* priv = src->priv;
</span><del>- DataMutex<WebKitWebSrcPrivate::StreamingMembers>::LockedWrapper members(priv->dataMutex);
</del><ins>+ auto members = holdLock(priv->dataMutex);
</ins><span class="cx">
</span><span class="cx"> // We need members->player to make requests. There are two mechanisms for this.
</span><span class="cx"> //
</span><span class="lines">@@ -689,7 +689,7 @@
</span><span class="cx"> ASSERT(!isMainThread());
</span><span class="cx"> RunLoop::main().dispatch([protector = WTF::ensureGRef(src), request = WTFMove(request), requestNumber = members->requestNumber] {
</span><span class="cx"> WebKitWebSrcPrivate* priv = protector->priv;
</span><del>- DataMutex<WebKitWebSrcPrivate::StreamingMembers>::LockedWrapper members(priv->dataMutex);
</del><ins>+ auto members = holdLock(priv->dataMutex);
</ins><span class="cx"> // Ignore this task (not making any HTTP request) if by now WebKitWebSrc streaming thread is already waiting
</span><span class="cx"> // for a different request. There is no point anymore in sending this one.
</span><span class="cx"> if (members->requestNumber != requestNumber) {
</span><span class="lines">@@ -716,7 +716,7 @@
</span><span class="cx"> {
</span><span class="cx"> WebKitWebSrc* src = WEBKIT_WEB_SRC(baseSrc);
</span><span class="cx"> // basesrc will always call unLock() and unLockStop() before calling this. See gst_base_src_stop().
</span><del>- DataMutex<WebKitWebSrcPrivate::StreamingMembers>::LockedWrapper members(src->priv->dataMutex);
</del><ins>+ auto members = holdLock(src->priv->dataMutex);
</ins><span class="cx"> webkitWebSrcReset(src, members, ResetType::Hard);
</span><span class="cx"> GST_DEBUG_OBJECT(src, "Stopped WebKitWebSrc");
</span><span class="cx"> return TRUE;
</span><span class="lines">@@ -725,7 +725,7 @@
</span><span class="cx"> static gboolean webKitWebSrcGetSize(GstBaseSrc* baseSrc, guint64* size)
</span><span class="cx"> {
</span><span class="cx"> WebKitWebSrc* src = WEBKIT_WEB_SRC(baseSrc);
</span><del>- DataMutex<WebKitWebSrcPrivate::StreamingMembers>::LockedWrapper members(src->priv->dataMutex);
</del><ins>+ auto members = holdLock(src->priv->dataMutex);
</ins><span class="cx">
</span><span class="cx"> GST_DEBUG_OBJECT(src, "haveSize: %s, size: %" G_GUINT64_FORMAT, boolForPrinting(members->haveSize), members->size);
</span><span class="cx"> if (members->haveSize) {
</span><span class="lines">@@ -739,7 +739,7 @@
</span><span class="cx"> static gboolean webKitWebSrcIsSeekable(GstBaseSrc* baseSrc)
</span><span class="cx"> {
</span><span class="cx"> WebKitWebSrc* src = WEBKIT_WEB_SRC(baseSrc);
</span><del>- DataMutex<WebKitWebSrcPrivate::StreamingMembers>::LockedWrapper members(src->priv->dataMutex);
</del><ins>+ auto members = holdLock(src->priv->dataMutex);
</ins><span class="cx"> GST_DEBUG_OBJECT(src, "isSeekable: %s", boolForPrinting(members->isSeekable));
</span><span class="cx"> return members->isSeekable;
</span><span class="cx"> }
</span><span class="lines">@@ -756,7 +756,7 @@
</span><span class="cx"> ASSERT(GST_ELEMENT(baseSrc)->current_state < GST_STATE_PAUSED || webKitWebSrcIsSeekable(baseSrc));
</span><span class="cx">
</span><span class="cx"> WebKitWebSrc* src = WEBKIT_WEB_SRC(baseSrc);
</span><del>- DataMutex<WebKitWebSrcPrivate::StreamingMembers>::LockedWrapper members(src->priv->dataMutex);
</del><ins>+ auto members = holdLock(src->priv->dataMutex);
</ins><span class="cx">
</span><span class="cx"> GST_DEBUG_OBJECT(src, "Seek segment: (%" G_GUINT64_FORMAT "-%" G_GUINT64_FORMAT ") Position previous to seek: %" G_GUINT64_FORMAT, segment->start, segment->stop, members->readPosition);
</span><span class="cx">
</span><span class="lines">@@ -786,7 +786,7 @@
</span><span class="cx">
</span><span class="cx"> if (GST_QUERY_TYPE(query) == GST_QUERY_URI) {
</span><span class="cx"> gst_query_set_uri(query, priv->originalURI.data());
</span><del>- DataMutex<WebKitWebSrcPrivate::StreamingMembers>::LockedWrapper members(src->priv->dataMutex);
</del><ins>+ auto members = holdLock(src->priv->dataMutex);
</ins><span class="cx"> if (!members->redirectedURI.isNull())
</span><span class="cx"> gst_query_set_uri_redirection(query, members->redirectedURI.data());
</span><span class="cx"> result = TRUE;
</span><span class="lines">@@ -809,7 +809,7 @@
</span><span class="cx"> static gboolean webKitWebSrcUnLock(GstBaseSrc* baseSrc)
</span><span class="cx"> {
</span><span class="cx"> WebKitWebSrc* src = WEBKIT_WEB_SRC(baseSrc);
</span><del>- DataMutex<WebKitWebSrcPrivate::StreamingMembers>::LockedWrapper members(src->priv->dataMutex);
</del><ins>+ auto members = holdLock(src->priv->dataMutex);
</ins><span class="cx">
</span><span class="cx"> GST_DEBUG_OBJECT(src, "Unlock");
</span><span class="cx"> members->isFlushing = true;
</span><span class="lines">@@ -840,7 +840,7 @@
</span><span class="cx"> static gboolean webKitWebSrcUnLockStop(GstBaseSrc* baseSrc)
</span><span class="cx"> {
</span><span class="cx"> WebKitWebSrc* src = WEBKIT_WEB_SRC(baseSrc);
</span><del>- DataMutex<WebKitWebSrcPrivate::StreamingMembers>::LockedWrapper members(src->priv->dataMutex);
</del><ins>+ auto members = holdLock(src->priv->dataMutex);
</ins><span class="cx"> GST_DEBUG_OBJECT(src, "Unlock stop");
</span><span class="cx"> members->isFlushing = false;
</span><span class="cx"> webkitWebSrcReset(src, members, ResetType::Soft);
</span><span class="lines">@@ -926,7 +926,7 @@
</span><span class="cx"> void webKitWebSrcSetMediaPlayer(WebKitWebSrc* src, WebCore::MediaPlayer* player, const String& referrer)
</span><span class="cx"> {
</span><span class="cx"> ASSERT(player);
</span><del>- DataMutex<WebKitWebSrcPrivate::StreamingMembers>::LockedWrapper members(src->priv->dataMutex);
</del><ins>+ auto members = holdLock(src->priv->dataMutex);
</ins><span class="cx"> members->player = player;
</span><span class="cx"> members->referrer = referrer;
</span><span class="cx"> }
</span><span class="lines">@@ -933,7 +933,7 @@
</span><span class="cx">
</span><span class="cx"> bool webKitSrcPassedCORSAccessCheck(WebKitWebSrc* src)
</span><span class="cx"> {
</span><del>- DataMutex<WebKitWebSrcPrivate::StreamingMembers>::LockedWrapper members(src->priv->dataMutex);
</del><ins>+ auto members = holdLock(src->priv->dataMutex);
</ins><span class="cx"> return members->didPassAccessControlCheck;
</span><span class="cx"> }
</span><span class="cx">
</span><span class="lines">@@ -988,7 +988,7 @@
</span><span class="cx"> ASSERT(isMainThread());
</span><span class="cx"> WebKitWebSrc* src = WEBKIT_WEB_SRC(m_src.get());
</span><span class="cx"> WebKitWebSrcPrivate* priv = src->priv;
</span><del>- DataMutex<WebKitWebSrcPrivate::StreamingMembers>::LockedWrapper members(priv->dataMutex);
</del><ins>+ auto members = holdLock(priv->dataMutex);
</ins><span class="cx"> if (members->requestNumber != m_requestNumber) {
</span><span class="cx"> completionHandler(ShouldContinuePolicyCheck::No);
</span><span class="cx"> return;
</span><span class="lines">@@ -1094,7 +1094,7 @@
</span><span class="cx"> WebKitWebSrc* src = WEBKIT_WEB_SRC(m_src.get());
</span><span class="cx"> WebKitWebSrcPrivate* priv = src->priv;
</span><span class="cx">
</span><del>- DataMutex<WebKitWebSrcPrivate::StreamingMembers>::LockedWrapper members(priv->dataMutex);
</del><ins>+ auto members = holdLock(priv->dataMutex);
</ins><span class="cx"> if (members->requestNumber != m_requestNumber)
</span><span class="cx"> return;
</span><span class="cx">
</span><span class="lines">@@ -1130,7 +1130,7 @@
</span><span class="cx"> {
</span><span class="cx"> ASSERT(isMainThread());
</span><span class="cx"> WebKitWebSrc* src = WEBKIT_WEB_SRC(m_src.get());
</span><del>- DataMutex<WebKitWebSrcPrivate::StreamingMembers>::LockedWrapper members(src->priv->dataMutex);
</del><ins>+ auto members = holdLock(src->priv->dataMutex);
</ins><span class="cx"> if (members->requestNumber != m_requestNumber)
</span><span class="cx"> return;
</span><span class="cx">
</span><span class="lines">@@ -1143,7 +1143,7 @@
</span><span class="cx"> {
</span><span class="cx"> ASSERT(isMainThread());
</span><span class="cx"> WebKitWebSrc* src = WEBKIT_WEB_SRC(m_src.get());
</span><del>- DataMutex<WebKitWebSrcPrivate::StreamingMembers>::LockedWrapper members(src->priv->dataMutex);
</del><ins>+ auto members = holdLock(src->priv->dataMutex);
</ins><span class="cx"> if (members->requestNumber != m_requestNumber)
</span><span class="cx"> return;
</span><span class="cx">
</span><span class="lines">@@ -1160,7 +1160,7 @@
</span><span class="cx"> {
</span><span class="cx"> ASSERT(isMainThread());
</span><span class="cx"> WebKitWebSrc* src = WEBKIT_WEB_SRC(m_src.get());
</span><del>- DataMutex<WebKitWebSrcPrivate::StreamingMembers>::LockedWrapper members(src->priv->dataMutex);
</del><ins>+ auto members = holdLock(src->priv->dataMutex);
</ins><span class="cx"> if (members->requestNumber != m_requestNumber)
</span><span class="cx"> return;
</span><span class="cx">
</span><span class="lines">@@ -1170,7 +1170,7 @@
</span><span class="cx">
</span><span class="cx"> bool webKitSrcWouldTaintOrigin(WebKitWebSrc* src, const SecurityOrigin& origin)
</span><span class="cx"> {
</span><del>- DataMutex<WebKitWebSrcPrivate::StreamingMembers>::LockedWrapper members(src->priv->dataMutex);
</del><ins>+ auto members = holdLock(src->priv->dataMutex);
</ins><span class="cx">
</span><span class="cx"> auto* cachedResourceStreamingClient = reinterpret_cast<CachedResourceStreamingClient*>(members->resource->client());
</span><span class="cx"> for (auto& responseOrigin : cachedResourceStreamingClient->securityOrigins()) {
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsgstreamermseMediaSourceTrackGStreamercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/gstreamer/mse/MediaSourceTrackGStreamer.cpp (277437 => 277438)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/gstreamer/mse/MediaSourceTrackGStreamer.cpp 2021-05-13 16:18:32 UTC (rev 277437)
+++ trunk/Source/WebCore/platform/graphics/gstreamer/mse/MediaSourceTrackGStreamer.cpp 2021-05-13 17:03:39 UTC (rev 277438)
</span><span class="lines">@@ -61,7 +61,7 @@
</span><span class="cx"> bool MediaSourceTrackGStreamer::isReadyForMoreSamples()
</span><span class="cx"> {
</span><span class="cx"> ASSERT(isMainThread());
</span><del>- WTF::DataMutex<TrackQueue>::LockedWrapper queue(m_queueDataMutex);
</del><ins>+ auto queue = holdLock(m_queueDataMutex);
</ins><span class="cx"> return !queue->isFull();
</span><span class="cx"> }
</span><span class="cx">
</span><span class="lines">@@ -68,7 +68,7 @@
</span><span class="cx"> void MediaSourceTrackGStreamer::notifyWhenReadyForMoreSamples(TrackQueue::LowLevelHandler&& handler)
</span><span class="cx"> {
</span><span class="cx"> ASSERT(isMainThread());
</span><del>- WTF::DataMutex<TrackQueue>::LockedWrapper queue(m_queueDataMutex);
</del><ins>+ auto queue = holdLock(m_queueDataMutex);
</ins><span class="cx"> queue->notifyWhenLowLevel(WTFMove(handler));
</span><span class="cx"> }
</span><span class="cx">
</span><span class="lines">@@ -75,7 +75,7 @@
</span><span class="cx"> void MediaSourceTrackGStreamer::enqueueObject(GRefPtr<GstMiniObject>&& object)
</span><span class="cx"> {
</span><span class="cx"> ASSERT(isMainThread());
</span><del>- WTF::DataMutex<TrackQueue>::LockedWrapper queue(m_queueDataMutex);
</del><ins>+ auto queue = holdLock(m_queueDataMutex);
</ins><span class="cx"> queue->enqueueObject(WTFMove(object));
</span><span class="cx"> }
</span><span class="cx">
</span><span class="lines">@@ -82,7 +82,7 @@
</span><span class="cx"> void MediaSourceTrackGStreamer::clearQueue()
</span><span class="cx"> {
</span><span class="cx"> ASSERT(isMainThread());
</span><del>- WTF::DataMutex<TrackQueue>::LockedWrapper queue(m_queueDataMutex);
</del><ins>+ auto queue = holdLock(m_queueDataMutex);
</ins><span class="cx"> queue->clear();
</span><span class="cx"> }
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsgstreamermseWebKitMediaSourceGStreamercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/gstreamer/mse/WebKitMediaSourceGStreamer.cpp (277437 => 277438)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/gstreamer/mse/WebKitMediaSourceGStreamer.cpp 2021-05-13 16:18:32 UTC (rev 277437)
+++ trunk/Source/WebCore/platform/graphics/gstreamer/mse/WebKitMediaSourceGStreamer.cpp 2021-05-13 17:03:39 UTC (rev 277438)
</span><span class="lines">@@ -344,7 +344,7 @@
</span><span class="cx"> // Unblock the streaming thread.
</span><span class="cx"> RefPtr<Stream>& stream = WEBKIT_MEDIA_SRC_PAD(pad)->priv->stream;
</span><span class="cx"> {
</span><del>- DataMutex<Stream::StreamingMembers>::LockedWrapper streamingMembers(stream->streamingMembersDataMutex);
</del><ins>+ auto streamingMembers = holdLock(stream->streamingMembersDataMutex);
</ins><span class="cx"> streamingMembers->isFlushing = true;
</span><span class="cx"> streamingMembers->padLinkedOrFlushedCondition.notifyOne();
</span><span class="cx"> streamingMembers->queueChangedOrFlushedCondition.notifyOne();
</span><span class="lines">@@ -354,7 +354,7 @@
</span><span class="cx"> // Otherwise a deadlock would occur as the next function tries to join the thread.
</span><span class="cx"> gst_pad_stop_task(pad);
</span><span class="cx"> {
</span><del>- DataMutex<Stream::StreamingMembers>::LockedWrapper streamingMembers(stream->streamingMembersDataMutex);
</del><ins>+ auto streamingMembers = holdLock(stream->streamingMembersDataMutex);
</ins><span class="cx"> streamingMembers->isFlushing = false;
</span><span class="cx"> }
</span><span class="cx"> }
</span><span class="lines">@@ -364,7 +364,7 @@
</span><span class="cx"> static void webKitMediaSrcPadLinked(GstPad* pad, GstPad*, void*)
</span><span class="cx"> {
</span><span class="cx"> RefPtr<Stream>& stream = WEBKIT_MEDIA_SRC_PAD(pad)->priv->stream;
</span><del>- DataMutex<Stream::StreamingMembers>::LockedWrapper streamingMembers(stream->streamingMembersDataMutex);
</del><ins>+ auto streamingMembers = holdLock(stream->streamingMembersDataMutex);
</ins><span class="cx"> streamingMembers->padLinkedOrFlushedCondition.notifyOne();
</span><span class="cx"> }
</span><span class="cx">
</span><span class="lines">@@ -374,7 +374,7 @@
</span><span class="cx"> GstPad* pad = GST_PAD(userData);
</span><span class="cx"> RefPtr<Stream>& stream = WEBKIT_MEDIA_SRC_PAD(pad)->priv->stream;
</span><span class="cx">
</span><del>- DataMutex<Stream::StreamingMembers>::LockedWrapper streamingMembers(stream->streamingMembersDataMutex);
</del><ins>+ auto streamingMembers = holdLock(stream->streamingMembersDataMutex);
</ins><span class="cx"> if (streamingMembers->isFlushing) {
</span><span class="cx"> gst_pad_pause_task(pad);
</span><span class="cx"> return;
</span><span class="lines">@@ -440,7 +440,7 @@
</span><span class="cx">
</span><span class="cx"> GRefPtr<GstMiniObject> object;
</span><span class="cx"> {
</span><del>- DataMutex<TrackQueue>::LockedWrapper queue(stream->track->queueDataMutex());
</del><ins>+ auto queue = holdLock(stream->track->queueDataMutex());
</ins><span class="cx"> if (!queue->isEmpty()) {
</span><span class="cx"> object = queue->pop();
</span><span class="cx"> streamingMembers->hasPoppedFirstObject = true;
</span><span class="lines">@@ -448,7 +448,7 @@
</span><span class="cx"> } else {
</span><span class="cx"> queue->notifyWhenNotEmpty([&object, stream](GRefPtr<GstMiniObject>&& receivedObject) {
</span><span class="cx"> ASSERT(isMainThread());
</span><del>- DataMutex<Stream::StreamingMembers>::LockedWrapper streamingMembers(stream->streamingMembersDataMutex);
</del><ins>+ auto streamingMembers = holdLock(stream->streamingMembersDataMutex);
</ins><span class="cx"> ASSERT(!streamingMembers->isFlushing);
</span><span class="cx">
</span><span class="cx"> object = WTFMove(receivedObject);
</span><span class="lines">@@ -465,7 +465,7 @@
</span><span class="cx"> });
</span><span class="cx"> {
</span><span class="cx"> // Ensure that notifyWhenNotEmpty()'s callback (if any) is cleared after this point.
</span><del>- DataMutex<TrackQueue>::LockedWrapper queue(stream->track->queueDataMutex());
</del><ins>+ auto queue = holdLock(stream->track->queueDataMutex());
</ins><span class="cx"> queue->resetNotEmptyHandler();
</span><span class="cx"> }
</span><span class="cx"> if (streamingMembers->isFlushing) {
</span><span class="lines">@@ -540,11 +540,11 @@
</span><span class="cx"> bool skipFlush = false;
</span><span class="cx">
</span><span class="cx"> {
</span><del>- DataMutex<Stream::StreamingMembers>::LockedWrapper streamingMembers(stream->streamingMembersDataMutex);
</del><ins>+ auto streamingMembers = holdLock(stream->streamingMembersDataMutex);
</ins><span class="cx">
</span><span class="cx"> if (!streamingMembers->hasPoppedFirstObject) {
</span><span class="cx"> GST_DEBUG_OBJECT(stream->source, "Flush request for stream '%s' occurred before hasPoppedFirstObject, just clearing the queue and readjusting the segment.", stream->track->trackId().string().utf8().data());
</span><del>- DataMutex<TrackQueue>::LockedWrapper queue(stream->track->queueDataMutex());
</del><ins>+ auto queue = holdLock(stream->track->queueDataMutex());
</ins><span class="cx"> // We use clear() instead of flush() because the WebKitMediaSrc streaming thread could be waiting
</span><span class="cx"> // for the queue. flush() would cancel the notEmptyCallback therefore leaving the streaming thread
</span><span class="cx"> // stuck waiting forever.
</span><span class="lines">@@ -558,8 +558,8 @@
</span><span class="cx"> // which will keeping the streaming thread idle.
</span><span class="cx"> GST_DEBUG_OBJECT(stream->pad.get(), "Taking the StreamingMembers mutex and setting isFlushing = true.");
</span><span class="cx"> {
</span><del>- DataMutex<Stream::StreamingMembers>::LockedWrapper streamingMembers(stream->streamingMembersDataMutex);
- DataMutex<TrackQueue>::LockedWrapper queue(stream->track->queueDataMutex());
</del><ins>+ auto streamingMembers = holdLock(stream->streamingMembersDataMutex);
+ auto queue = holdLock(stream->track->queueDataMutex());
</ins><span class="cx">
</span><span class="cx"> streamingMembers->isFlushing = true;
</span><span class="cx"> queue->flush(); // Clear the queue and cancel any waiting callback.
</span><span class="lines">@@ -581,7 +581,7 @@
</span><span class="cx"> // In the case of seeking flush we are resetting the timeline (see the flush stop later).
</span><span class="cx"> // The resulting segment is brand new, but with a different start time.
</span><span class="cx"> WebKitMediaSrcPrivate* priv = stream->source->priv;
</span><del>- DataMutex<Stream::StreamingMembers>::LockedWrapper streamingMembers(stream->streamingMembersDataMutex);
</del><ins>+ auto streamingMembers = holdLock(stream->streamingMembersDataMutex);
</ins><span class="cx"> streamingMembers->segment.base = 0;
</span><span class="cx"> streamingMembers->segment.rate = priv->rate;
</span><span class="cx"> streamingMembers->segment.start = streamingMembers->segment.time = priv->startTime;
</span><span class="lines">@@ -595,7 +595,7 @@
</span><span class="cx"> // GST_CLOCK_TIME_NONE is returned when the pipeline is not yet pre-rolled (e.g. just after a seek). In this case
</span><span class="cx"> // we don't need to adjust the segment though, as running time has not advanced.
</span><span class="cx"> if (GST_CLOCK_TIME_IS_VALID(pipelineStreamTime)) {
</span><del>- DataMutex<Stream::StreamingMembers>::LockedWrapper streamingMembers(stream->streamingMembersDataMutex);
</del><ins>+ auto streamingMembers = holdLock(stream->streamingMembersDataMutex);
</ins><span class="cx"> // We need to increase the base by the running time accumulated during the previous segment.
</span><span class="cx">
</span><span class="cx"> GstClockTime pipelineRunningTime = gst_segment_to_running_time(&streamingMembers->segment, GST_FORMAT_TIME, pipelineStreamTime);
</span><span class="lines">@@ -614,7 +614,7 @@
</span><span class="cx"> GST_PAD_STREAM_LOCK(stream->pad.get());
</span><span class="cx"> {
</span><span class="cx"> GST_DEBUG_OBJECT(stream->pad.get(), "Taking the StreamingMembers mutex again.");
</span><del>- DataMutex<Stream::StreamingMembers>::LockedWrapper streamingMembers(stream->streamingMembersDataMutex);
</del><ins>+ auto streamingMembers = holdLock(stream->streamingMembersDataMutex);
</ins><span class="cx"> GST_DEBUG_OBJECT(stream->pad.get(), "StreamingMembers mutex taken, using it to set isFlushing = false.");
</span><span class="cx"> streamingMembers->isFlushing = false;
</span><span class="cx"> streamingMembers->doesNeedSegmentEvent = true;
</span></span></pre>
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