Add initial implementation of SourceBufferStream

media/base/data_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 "base/logging.h"
 #include "media/base/data_buffer.h"
 #include "media/base/decrypt_config.h"
 #if !defined(OS_ANDROID)
 #include "media/ffmpeg/ffmpeg_common.h"
 #endif
@@ skipping 12 matching lines @@
       data_(new uint8[buffer_size]),
       buffer_size_(buffer_size),
       data_size_(0) {
   CHECK(data_.get()) << "DataBuffer ctor failed to allocate memory";
 
   // Prevent arbitrary pointers.
   if (buffer_size == 0)
     data_.reset(NULL);
 }
 
+DataBuffer::DataBuffer(int buffer_size, bool is_keyframe)
+    : Buffer(base::TimeDelta(), base::TimeDelta(), is_keyframe),
+      data_(new uint8[buffer_size]),
+      buffer_size_(buffer_size),
+      data_size_(0) {
+  CHECK(data_.get()) << "DataBuffer ctor failed to allocate memory";
+
+  // Prevent arbitrary pointers.
+  if (buffer_size == 0)
+    data_.reset(NULL);
+}
+
 DataBuffer::~DataBuffer() {}
 
 scoped_refptr<DataBuffer> DataBuffer::CopyFrom(const uint8* data,
                                                int data_size) {
   int padding_size = 0;
 #if !defined(OS_ANDROID)
   // Why FF_INPUT_BUFFER_PADDING_SIZE? FFmpeg assumes all input buffers are
   // padded with this value.
   padding_size = FF_INPUT_BUFFER_PADDING_SIZE;
 #endif
@@ skipping 30 matching lines @@
 
 int DataBuffer::GetBufferSize() const {
   return buffer_size_;
 }
 
 void DataBuffer::SetDecryptConfig(scoped_ptr<DecryptConfig> decrypt_config) {
   decrypt_config_ = decrypt_config.Pass();
 }
 
 }  // namespace media