Backed out changeset 0000b936e5c6

content/base/test/file_mozfiledataurl_inner.html

@@ -62,7 +62,7 @@ onload = function() {
   iframe = document.getElementById('iframe');
   iframe.onerror = iframe.onload = iframeNotifyParent;
   audio = document.getElementById('audio');
-  audio.onerror = audio.onloadedmetadata = audioNotifyParent;
+  audio.onerror = audio.oncanplay = audioNotifyParent;
 }
 
 </script>

content/base/test/test_mozfiledataurl.html

@@ -12,7 +12,7 @@
 <iframe id=inner></iframe>
 <iframe id=iframe></iframe>
 <img id=img onload="gen.send(event);">
-<audio id=audio onloadedmetadata="gen.send(event);">
+<audio id=audio oncanplay="gen.send(event);">
 <input type=file id=fileList>
 </p>
 <div id="content" style="display: none">
@@ -90,11 +90,11 @@ function runTest() {
   var fileurl = URL.createObjectURL(file);
   audio.src = fileurl;
   var e = (yield);
-  is(e.type, "loadedmetadata", "loaded successfully");
+  is(e.type, "canplay", "loaded successfully");
 
   // Revoke url and attempt to load a audio in this document
   audio.src = "file_mozfiledataurl_audio.ogg";
-  is((yield).type, "loadedmetadata", "successfully reset audio");
+  is((yield).type, "canplay", "successfully reset audio");
   URL.revokeObjectURL(fileurl);
   todo(false, "urls need to act like 404s, not fail to parse");
 /*  img.src = fileurl;
@@ -113,7 +113,7 @@ function runTest() {
   yield;
   inner.contentWindow.postMessage(JSON.stringify({audio:fileurl}), "*");
   var res = (yield);
-  is(res.type, "loadedmetadata", "loaded successfully");
+  is(res.type, "canplay", "loaded successfully");
   
   // Attempt to load an audio in a different cross-origin document
   inner.src = innerCrossSiteURI;

content/html/content/public/nsHTMLMediaElement.h

@@ -328,19 +328,6 @@ public:
    */
   PRBool GetPlayedOrSeeked() const { return mHasPlayedOrSeeked; }
 
-  /**
-   * The preloading action to perform. These dictate how we react to the 
-   * preload attribute. See mPreloadAction.
-   */
-  enum PreloadAction {
-    PRELOAD_UNDEFINED = 0, // not determined - used only for initialization
-    PRELOAD_NONE = 1,      // do not preload
-    PRELOAD_METADATA = 2,  // preload only the metadata (and first frame)
-    PRELOAD_ENOUGH = 3     // preload enough data to allow uninterrupted
-                           // playback
-  };
-  PreloadAction GetPreloadAction() const { return mPreloadAction; }
-
   nsresult CopyInnerTo(nsGenericElement* aDest) const;
 
   /**
@@ -491,6 +478,18 @@ protected:
     PRELOAD_ATTR_AUTO      // set to "auto"
   };
 
+  /**
+   * The preloading action to perform. These dictate how we react to the 
+   * preload attribute. See mPreloadAction.
+   */
+  enum PreloadAction {
+    PRELOAD_UNDEFINED = 0, // not determined - used only for initialization
+    PRELOAD_NONE = 1,      // do not preload
+    PRELOAD_METADATA = 2,  // preload only the metadata (and first frame)
+    PRELOAD_ENOUGH = 3     // preload enough data to allow uninterrupted
+                           // playback
+  };
+
   /**
    * Suspends the load of resource at aURI, so that it can be resumed later
    * by ResumeLoad(). This is called when we have a media with a 'preload'

content/media/nsBuiltinDecoder.cpp

@@ -855,10 +855,6 @@ void nsBuiltinDecoder::Resume(PRBool aForceBuffering)
   }
 }
 
-nsHTMLMediaElement::PreloadAction nsBuiltinDecoder::GetPreloadAction() {
-  return mElement->GetPreloadAction();
-}
-
 void nsBuiltinDecoder::StopProgressUpdates()
 {
   NS_ASSERTION(IsCurrentThread(mStateMachineThread), "Should be on state machine thread.");

content/media/nsBuiltinDecoder.h

@@ -450,9 +450,6 @@ class nsBuiltinDecoder : public nsMediaDecoder
   }
 
  public:
-  // Return the preloadAction
-  nsHTMLMediaElement::PreloadAction GetPreloadAction();
-
   // Return the current state. Can be called on any thread. If called from
   // a non-main thread, the decoder monitor must be held.
   PlayState GetState() {

content/media/nsBuiltinDecoderStateMachine.cpp

@@ -987,14 +987,11 @@ nsresult nsBuiltinDecoderStateMachine::Run()
           MonitorAutoExit exitMon(mDecoder->GetMonitor());
           RenderVideoFrame(videoData);
         }
-        if (mDecoder->GetPreloadAction() == nsHTMLMediaElement::PRELOAD_ENOUGH ||
-            mDecoder->GetState() == nsBuiltinDecoder::PLAY_STATE_PLAYING)
-        {
-          // Start the decode threads, so that we can pre buffer the streams
-          // and calculate the start time in order to determine the duration.
-          if (NS_FAILED(StartDecodeThreads())) {
-            continue;
-          }
+
+        // Start the decode threads, so that we can pre buffer the streams.
+        // and calculate the start time in order to determine the duration.
+        if (NS_FAILED(StartDecodeThreads())) {
+          continue;
         }
 
         NS_ASSERTION(mStartTime != -1, "Must have start time");
@@ -1026,41 +1023,12 @@ nsresult nsBuiltinDecoderStateMachine::Run()
         if (mState == DECODER_STATE_DECODING_METADATA) {
           LOG(PR_LOG_DEBUG, ("%p Changed state from DECODING_METADATA to DECODING", mDecoder));
           mState = DECODER_STATE_DECODING;
+        }
 
-          // Start playback.
-          if (mDecoder->GetState() == nsBuiltinDecoder::PLAY_STATE_PLAYING) {
-            if (!IsPlaying()) {
-              StartPlayback();
-            }
-          } else if (mDecoder->GetPreloadAction() != nsHTMLMediaElement::PRELOAD_ENOUGH) {
-            if (mReader) {
-              // Clear any frames queued up during FindStartTime() and reset
-              // to the start of the stream  to save memory.
-              MonitorAutoExit exitMon(mDecoder->GetMonitor());
-              mReader->ResetDecode();
-
-              nsMediaStream* stream = mDecoder->GetCurrentStream();
-              PRInt64 offset = mReader->GetInfo().mDataOffset;
-              if (NS_FAILED(stream->Seek(nsISeekableStream::NS_SEEK_SET, offset)))
-              {
-                mState = DECODER_STATE_SHUTDOWN;
-              }
-            }
-            // Note state can change when we release the decoder monitor to
-            // call ResetDecode() above, so we must re-verify the state here.
-            if (mState != DECODER_STATE_DECODING ||
-                mDecoder->GetState() == nsBuiltinDecoder::PLAY_STATE_PLAYING)
-            {
-              continue;
-            }
-
-            // Shutdown the state machine thread, in order to save
-            // memory on thread stacks, particuarly on Linux.
-            nsCOMPtr<nsIRunnable> event = new ShutdownThreadEvent(mDecoder->mStateMachineThread);
-            NS_DispatchToMainThread(event, NS_DISPATCH_NORMAL);
-            mDecoder->mStateMachineThread = nsnull;
-
-            return NS_OK;
+        // Start playback.
+        if (mDecoder->GetState() == nsBuiltinDecoder::PLAY_STATE_PLAYING) {
+          if (!IsPlaying()) {
+            StartPlayback();
           }
         }
       }

content/media/nsMediaCache.cpp

@@ -2084,9 +2084,6 @@ nsMediaCacheStream::Seek(PRInt32 aWhence, PRInt64 aOffset)
     return NS_ERROR_FAILURE;
   }
 
-  if (mStreamOffset < 0)
-    return NS_ERROR_FAILURE;
-
   LOG(PR_LOG_DEBUG, ("Stream %p Seek to %lld", this, (long long)mStreamOffset));
   gMediaCache->NoteSeek(this, oldOffset);