Bug 687972. More logging.

content/media/nsBuiltinDecoder.cpp

@@ -644,8 +644,10 @@ void nsBuiltinDecoder::NotifySuspendedStatusChanged()
   NS_ASSERTION(NS_IsMainThread(), "Should be on main thread.");
   if (!mStream)
     return;
-  bool suspended = mStream->IsSuspendedByCache();
-  printf("*** nsBuiltinDecoder::NotifySuspendedStatusChanged(%p), suspended=%d\n", this, suspended);
+  nsMediaStream* activeStream;
+  bool suspended = mStream->IsSuspendedByCache(&activeStream);
+  
+  printf("*** nsBuiltinDecoder::NotifySuspendedStatusChanged(%p), suspended=%d, active-stream=%p\n", this, suspended, activeStream);
   if (suspended && mElement) {
     // if this is an autoplay element, we need to kick off its autoplaying
     // now so we consume data and hopefully free up cache space

content/media/nsMediaCache.cpp

@@ -1908,13 +1908,20 @@ nsMediaCacheStream::IsSeekable()
 }
 
 bool
-nsMediaCacheStream::AreAllStreamsForResourceSuspended()
+nsMediaCacheStream::AreAllStreamsForResourceSuspended(nsMediaStream** aActiveStream)
 {
   ReentrantMonitorAutoEnter mon(gMediaCache->GetReentrantMonitor());
   nsMediaCache::ResourceStreamIterator iter(mResourceID);
   while (nsMediaCacheStream* stream = iter.Next()) {
-    if (!stream->mCacheSuspended && !stream->mChannelEnded)
+    if (!stream->mCacheSuspended && !stream->mChannelEnded) {
+      if (aActiveStream) {
+        *aActiveStream = stream->mClient;
+      }
       return false;
+	}
+  }
+  if (aActiveStream) {
+    *aActiveStream = nsnull;
   }
   return true;
 }

content/media/nsMediaCache.h

@@ -43,7 +43,9 @@
 #include "nsIPrincipal.h"
 #include "nsCOMPtr.h"
 
+class nsMediaStream;
 class nsByteRange;
+
 namespace mozilla {
 class ReentrantMonitorAutoEnter;
 }
@@ -354,7 +356,9 @@ public:
 
   // Returns true when all streams for this resource are suspended or their
   // channel has ended.
-  bool AreAllStreamsForResourceSuspended();
+  // If aActiveStream is non-null, fills it with a pointer to a stream
+  // for this resource that is not suspended or ended.
+  bool AreAllStreamsForResourceSuspended(nsMediaStream** aActiveStream);
 
   // These methods must be called on a different thread from the main
   // thread. They should always be called on the same thread for a given

content/media/nsMediaStream.cpp

@@ -831,9 +831,9 @@ nsMediaChannelStream::EnsureCacheUpToDate()
 }
 
 bool
-nsMediaChannelStream::IsSuspendedByCache()
+nsMediaChannelStream::IsSuspendedByCache(nsMediaStream** aActiveStream)
 {
-  return mCacheStream.AreAllStreamsForResourceSuspended();
+  return mCacheStream.AreAllStreamsForResourceSuspended(aActiveStream);
 }
 
 bool
@@ -949,7 +949,13 @@ public:
   }
   virtual PRInt64 GetCachedDataEnd(PRInt64 aOffset) { return NS_MAX(aOffset, mSize); }
   virtual bool    IsDataCachedToEndOfStream(PRInt64 aOffset) { return true; }
-  virtual bool    IsSuspendedByCache() { return false; }
+  virtual bool    IsSuspendedByCache(nsMediaStream** aActiveStream)
+  {
+    if (aActiveStream) {
+      *aActiveStream = nsnull;
+    }
+    return false;
+  }
   virtual bool    IsSuspended() { return false; }
 
   nsresult GetCachedRanges(nsTArray<nsByteRange>& aRanges);

content/media/nsMediaStream.h

@@ -272,7 +272,9 @@ public:
   // changes.
   // For resources using the media cache, this returns true only when all
   // streams for the same resource are all suspended.
-  virtual bool IsSuspendedByCache() = 0;
+  // If aActiveStream is non-null, fills it with a pointer to a stream
+  // for this resource that is not suspended or ended.
+  virtual bool IsSuspendedByCache(nsMediaStream** aActiveStream) = 0;
   // Returns true if this stream has been suspended.
   virtual bool IsSuspended() = 0;
   // Reads only data which is cached in the media cache. If you try to read
@@ -404,7 +406,7 @@ public:
   virtual PRInt64 GetNextCachedData(PRInt64 aOffset);
   virtual PRInt64 GetCachedDataEnd(PRInt64 aOffset);
   virtual bool    IsDataCachedToEndOfStream(PRInt64 aOffset);
-  virtual bool    IsSuspendedByCache();
+  virtual bool    IsSuspendedByCache(nsMediaStream** aActiveStream);
   virtual bool    IsSuspended();
 
   class Listener : public nsIStreamListener,