Add an option to make blink media logging verbose

third_party/WebKit/Source/modules/mediasource/MediaSource.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 33 matching lines @@
 #include "platform/Logging.h"
 #include "platform/MIMETypeRegistry.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/TraceEvent.h"
 #include "public/platform/WebMediaSource.h"
 #include "public/platform/WebSourceBuffer.h"
 #include "wtf/PtrUtil.h"
 #include "wtf/text/CString.h"
 #include <memory>
 
+#ifndef BLINK_MSLOG
+#define BLINK_MSLOG DVLOG(3)
+#endif
+
 using blink::WebMediaSource;
 using blink::WebSourceBuffer;
 
-#define MSLOG DVLOG(3)
-
 namespace blink {
 
 static bool throwExceptionIfClosedOrUpdating(bool isOpen, bool isUpdating, ExceptionState& exceptionState)
 {
     if (!isOpen) {
         MediaSource::logAndThrowDOMException(exceptionState, InvalidStateError, "The MediaSource's readyState is not 'open'.");
         return true;
     }
     if (isUpdating) {
         MediaSource::logAndThrowDOMException(exceptionState, InvalidStateError, "The 'updating' attribute is true on one or more of this MediaSource's SourceBuffers.");
@@ skipping 32 matching lines @@
     : ActiveScriptWrappable(this)
     , ActiveDOMObject(context)
     , m_readyState(closedKeyword())
     , m_asyncEventQueue(GenericEventQueue::create(this))
     , m_attachedElement(nullptr)
     , m_sourceBuffers(SourceBufferList::create(getExecutionContext(), m_asyncEventQueue.get()))
     , m_activeSourceBuffers(SourceBufferList::create(getExecutionContext(), m_asyncEventQueue.get()))
     , m_liveSeekableRange(TimeRanges::create())
     , m_isAddedToRegistry(false)
 {
-    MSLOG << __FUNCTION__ << " this=" << this;
+    BLINK_MSLOG << __FUNCTION__ << " this=" << this;
 }
 
 MediaSource::~MediaSource()
 {
-    MSLOG << __FUNCTION__ << " this=" << this;
+    BLINK_MSLOG << __FUNCTION__ << " this=" << this;
     DCHECK(isClosed());
 }
 
 void MediaSource::logAndThrowDOMException(ExceptionState& exceptionState, const ExceptionCode& error, const String& message)
 {
-    MSLOG << __FUNCTION__ << " (error=" << error << ", message=" << message << ")";
+    BLINK_MSLOG << __FUNCTION__ << " (error=" << error << ", message=" << message << ")";
     exceptionState.throwDOMException(error, message);
 }
 
 SourceBuffer* MediaSource::addSourceBuffer(const String& type, ExceptionState& exceptionState)
 {
-    MSLOG << __FUNCTION__ << " this=" << this << " type=" << type;
+    BLINK_MSLOG << __FUNCTION__ << " this=" << this << " type=" << type;
 
     // 2.2 https://dvcs.w3.org/hg/html-media/raw-file/default/media-source/media-source.html#widl-MediaSource-addSourceBuffer-SourceBuffer-DOMString-type
     // 1. If type is an empty string then throw an InvalidAccessError exception
     // and abort these steps.
     if (type.isEmpty()) {
         logAndThrowDOMException(exceptionState, InvalidAccessError, "The type provided is empty.");
         return 0;
     }
 
     // 2. If type contains a MIME type that is not supported ..., then throw a
@@ skipping 20 matching lines @@
         // 2. If type contains a MIME type that is not supported ..., then throw a NotSupportedError exception and abort these steps.
         // 3. If the user agent can't handle any more SourceBuffer objects then throw a QuotaExceededError exception and abort these steps
         return 0;
     }
 
     SourceBuffer* buffer = SourceBuffer::create(std::move(webSourceBuffer), this, m_asyncEventQueue.get());
     // 6. Add the new object to sourceBuffers and fire a addsourcebuffer on that object.
     m_sourceBuffers->add(buffer);
 
     // 7. Return the new object to the caller.
-    MSLOG << __FUNCTION__ << " this=" << this << " type=" << type << " -> " << buffer;
+    BLINK_MSLOG << __FUNCTION__ << " this=" << this << " type=" << type << " -> " << buffer;
     return buffer;
 }
 
 void MediaSource::removeSourceBuffer(SourceBuffer* buffer, ExceptionState& exceptionState)
 {
-    MSLOG << __FUNCTION__ << " this=" << this << " buffer=" << buffer;
+    BLINK_MSLOG << __FUNCTION__ << " this=" << this << " buffer=" << buffer;
 
     // 2.2 https://dvcs.w3.org/hg/html-media/raw-file/default/media-source/media-source.html#widl-MediaSource-removeSourceBuffer-void-SourceBuffer-sourceBuffer
 
     // 1. If sourceBuffer specifies an object that is not in sourceBuffers then
     // throw a NotFoundError exception and abort these steps.
     if (!m_sourceBuffers->length() || !m_sourceBuffers->contains(buffer)) {
         logAndThrowDOMException(exceptionState, NotFoundError, "The SourceBuffer provided is not contained in this MediaSource.");
         return;
     }
 
@@ skipping 47 matching lines @@
 
     return false;
 }
 
 bool MediaSource::isTypeSupported(const String& type)
 {
     // Section 2.2 isTypeSupported() method steps.
     // https://dvcs.w3.org/hg/html-media/raw-file/tip/media-source/media-source.html#widl-MediaSource-isTypeSupported-boolean-DOMString-type
     // 1. If type is an empty string, then return false.
     if (type.isEmpty()) {
-        MSLOG << __FUNCTION__ << "(" << type << ") -> false (empty input)";
+        BLINK_MSLOG << __FUNCTION__ << "(" << type << ") -> false (empty input)";
         return false;
     }
 
     ContentType contentType(type);
     String codecs = contentType.parameter("codecs");
 
     // 2. If type does not contain a valid MIME type string, then return false.
     if (contentType.type().isEmpty()) {
-        MSLOG << __FUNCTION__ << "(" << type << ") -> false (invalid mime type)";
+        BLINK_MSLOG << __FUNCTION__ << "(" << type << ") -> false (invalid mime type)";
         return false;
     }
 
     // Note: MediaSource.isTypeSupported() returning true implies that HTMLMediaElement.canPlayType() will return "maybe" or "probably"
     // since it does not make sense for a MediaSource to support a type the HTMLMediaElement knows it cannot play.
     if (HTMLMediaElement::supportsType(contentType) == WebMimeRegistry::IsNotSupported) {
-        MSLOG << __FUNCTION__ << "(" << type << ") -> false (not supported by HTMLMediaElement)";
+        BLINK_MSLOG << __FUNCTION__ << "(" << type << ") -> false (not supported by HTMLMediaElement)";
         return false;
     }
 
     // 3. If type contains a media type or media subtype that the MediaSource does not support, then return false.
     // 4. If type contains at a codec that the MediaSource does not support, then return false.
     // 5. If the MediaSource does not support the specified combination of media type, media subtype, and codecs then return false.
     // 6. Return true.
     bool result = MIMETypeRegistry::isSupportedMediaSourceMIMEType(contentType.type(), codecs);
-    MSLOG << __FUNCTION__ << "(" << type << ") -> " << (result ? "true" : "false");
+    BLINK_MSLOG << __FUNCTION__ << "(" << type << ") -> " << (result ? "true" : "false");
     return result;
 }
 
 const AtomicString& MediaSource::interfaceName() const
 {
     return EventTargetNames::MediaSource;
 }
 
 ExecutionContext* MediaSource::getExecutionContext() const
 {
@@ skipping 202 matching lines @@
 
     // 6. Update the media controller duration to new duration and run the HTMLMediaElement duration change algorithm.
     m_attachedElement->durationChanged(newDuration, requestSeek);
 }
 
 void MediaSource::setReadyState(const AtomicString& state)
 {
     DCHECK(state == openKeyword() || state == closedKeyword() || state == endedKeyword());
 
     AtomicString oldState = readyState();
-    MSLOG << __FUNCTION__ << " this=" << this << " : " << oldState << " -> " << state;
+    BLINK_MSLOG << __FUNCTION__ << " this=" << this << " : " << oldState << " -> " << state;
 
     if (state == closedKeyword()) {
         m_webMediaSource.reset();
     }
 
     if (oldState == state)
         return;
 
     m_readyState = state;
 
@@ skipping 194 matching lines @@
 
     m_asyncEventQueue->enqueueEvent(event);
 }
 
 URLRegistry& MediaSource::registry() const
 {
     return MediaSourceRegistry::registry();
 }
 
 } // namespace blink