Initial implementation of Encrypted Media Extensions in Chrome.

webkit/media/webmediaplayer_impl.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Delegate calls from WebCore::MediaPlayerPrivate to Chrome's video player.
 // It contains Pipeline which is the actual media player pipeline, it glues
 // the media player pipeline, data source, audio renderer and renderer.
 // Pipeline would creates multiple threads and access some public methods
 // of this class, so we need to be extra careful about concurrent access of
 // methods and members.
@@ skipping 166 matching lines @@
   virtual unsigned videoDecodedByteCount() const;
 
   virtual WebKit::WebVideoFrame* getCurrentFrame();
   virtual void putCurrentFrame(WebKit::WebVideoFrame* web_video_frame);
 
   virtual WebKit::WebAudioSourceProvider* audioSourceProvider();
 
   virtual bool sourceAppend(const unsigned char* data, unsigned length);
   virtual void sourceEndOfStream(EndOfStreamStatus status);
 
+  virtual MediaKeyException generateKeyRequest(
+      const WebKit::WebString& keySystem,

[scherkus (not reviewing), 2012/04/12 20:18:41]

chromium style unix_hacker here + below

[ddorwin, 2012/04/12 23:41:23]

Done.
Too much copying of code from WebKit. :)

+      const unsigned char* initData,
+      unsigned initDataLength);
+
+  virtual MediaKeyException addKey(const WebKit::WebString& keySystem,
+                                   const unsigned char* key,
+                                   unsigned keyLength,
+                                   const unsigned char* initData,
+                                   unsigned initDataLength,
+                                   const WebKit::WebString& sessionId);
+
+  virtual MediaKeyException cancelKeyRequest(
+      const WebKit::WebString& keySystem,
+      const WebKit::WebString& sessionId);
+
+
   // As we are closing the tab or even the browser, |main_loop_| is destroyed
   // even before this object gets destructed, so we need to know when
   // |main_loop_| is being destroyed and we can stop posting repaint task
   // to it.
   virtual void WillDestroyCurrentMessageLoop() OVERRIDE;
 
   void Repaint();
 
   void OnPipelineInitialize(media::PipelineStatus status);
   void OnPipelineSeek(media::PipelineStatus status);
@@ skipping 17 matching lines @@
 
   // Destroy resources held.
   void Destroy();
 
   // Getter method to |client_|.
   WebKit::WebMediaPlayerClient* GetClient();
 
   // Lets V8 know that player uses extra resources not managed by V8.
   void IncrementExternallyAllocatedMemory();
 
+  void generateKeyRequestTask(const WebKit::WebString& keySystem,
+                              const unsigned char* initData,
+                              unsigned initDataLength,
+                              uint32_t sessionId);
+
+  void addKeyTask(const WebKit::WebString& keySystem,
+                  const unsigned char* key,
+                  unsigned keyLength,
+                  const unsigned char* initData,
+                  unsigned initDataLength,
+                  const WebKit::WebString& sessionId);
+
+  void cancelKeyRequestTask(const WebKit::WebString& keySystem,
+                            const WebKit::WebString& sessionId);
+
   WebKit::WebFrame* frame_;
 
   // TODO(hclam): get rid of these members and read from the pipeline directly.
   WebKit::WebMediaPlayer::NetworkState network_state_;
   WebKit::WebMediaPlayer::ReadyState ready_state_;
 
   // Keep a list of buffered time ranges.
   WebKit::WebTimeRanges buffered_;
 
   // Message loops for posting tasks between Chrome's main thread. Also used
@@ skipping 56 matching lines @@
   bool incremented_externally_allocated_memory_;
 
   WebKit::WebAudioSourceProvider* audio_source_provider_;
 
   DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerImpl);
 };
 
 }  // namespace webkit_media
 
 #endif  // WEBKIT_MEDIA_WEBMEDIAPLAYER_IMPL_H_