Support for parsing encrypted WebM streams by src.

media/tools/player_x11/player_x11.cc

 // 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.
 
 #include <signal.h>
 
 #include <iostream>  // NOLINT
 
 #include "base/at_exit.h"
 #include "base/bind.h"
@@ skipping 76 matching lines @@
     message_loop->PostTask(FROM_HERE, base::Bind(
         &Paint, message_loop, paint_cb, video_frame));
     return;
   }
 
   paint_cb.Run(video_frame);
 }
 
 static void OnBufferingState(media::Pipeline::BufferingState buffering_state) {}
 
+static void NeedKey(const std::string& type, scoped_array<uint8> init_data,
+             int init_data_size) {
+  std::cout << "File is encrypted." << std::endl;
+}
+
 // TODO(vrk): Re-enabled audio. (crbug.com/112159)
 bool InitPipeline(const scoped_refptr<base::MessageLoopProxy>& message_loop,
                   const scoped_refptr<media::DataSource>& data_source,
                   const PaintCB& paint_cb,
                   bool /* enable_audio */,
                   scoped_refptr<media::Pipeline>* pipeline,
                   MessageLoop* paint_message_loop) {
   // Create our filter factories.
   scoped_ptr<media::FilterCollection> collection(
       new media::FilterCollection());
-  collection->SetDemuxer(new media::FFmpegDemuxer(message_loop, data_source));
+  media::FFmpegNeedKeyCB need_key_cb = base::Bind(&NeedKey);
+  collection->SetDemuxer(new media::FFmpegDemuxer(message_loop, data_source,
+                                                  need_key_cb));
   collection->GetAudioDecoders()->push_back(new media::FFmpegAudioDecoder(
       message_loop));
   collection->GetVideoDecoders()->push_back(new media::FFmpegVideoDecoder(
       message_loop));
 
   // Create our video renderer and save a reference to it for painting.
   scoped_ptr<media::VideoRenderer> video_renderer(new media::VideoRendererBase(
       message_loop,
       media::SetDecryptorReadyCB(),
       base::Bind(&Paint, paint_message_loop, paint_cb),
@@ skipping 173 matching lines @@
   // Release callback which releases video renderer. Do this before cleaning up
   // X below since the video renderer has some X cleanup duties as well.
   paint_cb.Reset();
 
   XDestroyWindow(g_display, g_window);
   XCloseDisplay(g_display);
   g_audio_manager = NULL;
 
   return 0;
 }