Implement renderer AudioDevice API for low-latency audio output...

webkit/glue/webkitclient_impl.cc

 // Copyright (c) 2010 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/webkitclient_impl.h"
 
 #if defined(OS_LINUX)
 #include <malloc.h>
 #endif
 
@@ skipping 19 matching lines @@
 #include "third_party/WebKit/WebKit/chromium/public/WebData.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebFrameClient.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebPluginListBuilder.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebScreenInfo.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebString.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebVector.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebURL.h"
 #include "webkit/glue/media/audio_decoder.h"
 #include "webkit/plugins/npapi/plugin_instance.h"
 #include "webkit/plugins/npapi/webplugininfo.h"
+#include "webkit/glue/webaudiodevice_impl.h"
 #include "webkit/glue/webkit_glue.h"
 #include "webkit/glue/websocketstreamhandle_impl.h"
 #include "webkit/glue/weburlloader_impl.h"
 
 #if defined(OS_LINUX)
 #include "v8/include/v8.h"
 #endif
 
 using WebKit::WebAudioBus;
+using WebKit::WebAudioDevice;
 using WebKit::WebCookie;
 using WebKit::WebData;
 using WebKit::WebLocalizedString;
 using WebKit::WebPluginListBuilder;
 using WebKit::WebString;
 using WebKit::WebSocketStreamHandle;
 using WebKit::WebThemeEngine;
 using WebKit::WebURL;
 using WebKit::WebURLLoader;
 using WebKit::WebVector;
@@ skipping 145 matching lines @@
 }
 
 WebThemeEngine* WebKitClientImpl::themeEngine() {
 #if defined(OS_WIN) || defined(OS_LINUX) || defined(OS_MACOSX)
   return &theme_engine_;
 #else
   return NULL;
 #endif
 }
 
+WebAudioDevice* WebKitClientImpl::createAudioDevice(
+    size_t buffer_size, unsigned channels, double sample_rate,
+    WebAudioDevice::RenderCallback* callback) {
+  return new WebAudioDeviceImpl(buffer_size,
+                                channels,
+                                sample_rate,
+                                callback);
+}
+
 WebURLLoader* WebKitClientImpl::createURLLoader() {
   return new WebURLLoaderImpl();
 }
 
 WebSocketStreamHandle* WebKitClientImpl::createSocketStreamHandle() {
   return new WebSocketStreamHandleImpl();
 }
 
 WebString WebKitClientImpl::userAgent(const WebURL& url) {
   return WebString::fromUTF8(webkit_glue::GetUserAgent(url));
@@ skipping 315 matching lines @@
   ++shared_timer_suspended_;
 }
 
 void WebKitClientImpl::ResumeSharedTimer() {
   // The shared timer may have fired or been adjusted while we were suspended.
   if (--shared_timer_suspended_ == 0 && !shared_timer_.IsRunning())
     setSharedTimerFireTime(shared_timer_fire_time_);
 }
 
 }  // namespace webkit_glue