Framework to display disabled mute button when audio fails....

webkit/glue/webmediaplayer_impl.cc

 // Copyright (c) 2008-2009 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 "webkit/glue/webmediaplayer_impl.h"
 
 #include "base/command_line.h"
 #include "googleurl/src/gurl.h"
 #include "media/base/media_format.h"
 #include "media/filters/ffmpeg_audio_decoder.h"
@@ skipping 316 matching lines @@
 
   return pipeline_->GetTotalBytes() != 0;
 }
 
 bool WebMediaPlayerImpl::hasVideo() const {
   DCHECK(MessageLoop::current() == main_loop_);
 
   return pipeline_->IsRendered(media::mime_type::kMajorTypeVideo);
 }
 
+bool WebMediaPlayerImpl::hasAudio() const {
+  DCHECK(MessageLoop::current() == main_loop_);
+
+  return pipeline_->IsRendered(media::mime_type::kMajorTypeAudio);
+}
+
 WebKit::WebSize WebMediaPlayerImpl::naturalSize() const {
   DCHECK(MessageLoop::current() == main_loop_);
 
   size_t width, height;
   pipeline_->GetVideoSize(&width, &height);
   return WebKit::WebSize(width, height);
 }
 
 bool WebMediaPlayerImpl::paused() const {
   DCHECK(MessageLoop::current() == main_loop_);
@@ skipping 199 matching lines @@
   }
 }
 
 WebKit::WebMediaPlayerClient* WebMediaPlayerImpl::GetClient() {
   DCHECK(MessageLoop::current() == main_loop_);
   DCHECK(client_);
   return client_;
 }
 
 }  // namespace webkit_glue