Android implementation of WebAudio audio file decoder

webkit/glue/webkitplatformsupport_impl.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 "webkit/glue/webkitplatformsupport_impl.h"
 
 #include <math.h>
 
 #include <vector>
 
@@ skipping 103 matching lines @@
 
   // How long the cached value should remain valid.
   base::TimeDelta cache_valid_time_;
 
   // The last time the cached value was updated.
   base::Time last_updated_time_;
 
   base::Lock lock_;
 };
 
+#if defined(OS_ANDROID)
+void NullRunWebAudioMediaCodec(
+    base::SharedMemoryHandle encoded_data_handle,
+    base::FileDescriptor pcm_output) {
+}
+#endif
+
 }  // anonymous namespace
 
 namespace webkit_glue {
 
 static int ToMessageID(WebLocalizedString::Name name) {
   switch (name) {
     case WebLocalizedString::AXAMPMFieldText:
       return IDS_AX_AM_PM_FIELD_TEXT;
     case WebLocalizedString::AXButtonActionVerb:
       return IDS_AX_BUTTON_ACTION_VERB;
@@ skipping 534 matching lines @@
     }
   }
 
   NOTREACHED() << "Unknown image resource " << name;
   return WebData();
 }
 
 bool WebKitPlatformSupportImpl::loadAudioResource(
     WebKit::WebAudioBus* destination_bus, const char* audio_file_data,
     size_t data_size, double sample_rate) {
+#if !defined(OS_ANDROID)
   return webkit_media::DecodeAudioFileData(destination_bus,
                                            audio_file_data,
                                            data_size,
                                            sample_rate);
+#else
+  webkit_media::WebAudioMediaCodecRunner runner = GetWebAudioMediaCodecRunner();
+  return webkit_media::DecodeAudioFileData(
+      destination_bus,
+      audio_file_data,
+      data_size,
+      sample_rate,
+      runner);
+#endif
 }
 
 WebString WebKitPlatformSupportImpl::queryLocalizedString(
     WebLocalizedString::Name name) {
   int message_id = ToMessageID(name);
   if (message_id < 0)
     return WebString();
   return GetLocalizedString(message_id);
 }
 
@@ skipping 262 matching lines @@
     WebKitPlatformSupportImpl::allocateAndLockDiscardableMemory(size_t bytes) {
   if (!base::DiscardableMemory::Supported())
     return NULL;
   scoped_ptr<WebDiscardableMemoryImpl> discardable(
       new WebDiscardableMemoryImpl());
   if (discardable->InitializeAndLock(bytes))
     return discardable.release();
   return NULL;
 }
 
+#if defined(OS_ANDROID)
+webkit_media::WebAudioMediaCodecRunner
+    WebKitPlatformSupportImpl::GetWebAudioMediaCodecRunner() {
+  return base::Bind(&NullRunWebAudioMediaCodec);
+}
+#endif
 
 }  // namespace webkit_glue