Adding VP8 Alpha support in Media Source

media/base/stream_parser_buffer.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 "media/base/stream_parser_buffer.h"
 
 #include "base/logging.h"
 #include "media/base/buffers.h"
 
 namespace media {
 
 scoped_refptr<StreamParserBuffer> StreamParserBuffer::CreateEOSBuffer() {
-  return make_scoped_refptr(new StreamParserBuffer(NULL, 0, false));
+  return make_scoped_refptr(new StreamParserBuffer(NULL, 0, NULL, 0, false));
 }
 
 scoped_refptr<StreamParserBuffer> StreamParserBuffer::CopyFrom(
     const uint8* data, int data_size, bool is_keyframe) {
   return make_scoped_refptr(
-      new StreamParserBuffer(data, data_size, is_keyframe));
+      new StreamParserBuffer(data, data_size, NULL, 0, is_keyframe));
+}
+
+scoped_refptr<StreamParserBuffer> StreamParserBuffer::CopyFrom(
+    const uint8* data, int data_size,
+    const uint8* side_data, int side_data_size, bool is_keyframe) {
+  return make_scoped_refptr(
+      new StreamParserBuffer(data, data_size, side_data, side_data_size,
+                             is_keyframe));
 }
 
 base::TimeDelta StreamParserBuffer::GetDecodeTimestamp() const {
   if (decode_timestamp_ == kNoTimestamp())
     return GetTimestamp();
   return decode_timestamp_;
 }
 
 void StreamParserBuffer::SetDecodeTimestamp(const base::TimeDelta& timestamp) {
   decode_timestamp_ = timestamp;
 }
 
 StreamParserBuffer::StreamParserBuffer(const uint8* data, int data_size,
-                                       bool is_keyframe)
-    : DecoderBuffer(data, data_size),
+                                       const uint8* side_data,
+                                       int side_data_size, bool is_keyframe)
+    : DecoderBuffer(data, data_size, side_data, side_data_size),
       is_keyframe_(is_keyframe),
       decode_timestamp_(kNoTimestamp()),
       config_id_(kInvalidConfigId) {
   // TODO(scherkus): Should DataBuffer constructor accept a timestamp and
   // duration to force clients to set them? Today they end up being zero which
   // is both a common and valid value and could lead to bugs.
   if (data) {
     SetDuration(kNoTimestamp());
   }
 }
 
 StreamParserBuffer::~StreamParserBuffer() {
 }
 
 int StreamParserBuffer::GetConfigId() const {
   return config_id_;
 }
 
 void StreamParserBuffer::SetConfigId(int config_id) {
   config_id_ = config_id;
 }
 
 }  // namespace media