Checking in media::DataBuffer, a simple implementation of WritableBufferInterface.

media/base/data_buffer.cc

Index: media/base/data_buffer.cc
diff --git a/media/base/data_buffer.cc b/media/base/data_buffer.cc
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index 0000000000000000000000000000000000000000..c5c290dff6c5fcff143b86f587c9e44377f5fbc4
--- /dev/null
+++ b/media/base/data_buffer.cc
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+// Copyright (c) 2006-2008 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"
+
+namespace media {
+
+DataBuffer::DataBuffer(char* data, size_t buffer_size, size_t data_size,
+                       int64 timestamp, int64 duration)
+    : data_(data),
+      buffer_size_(buffer_size),
+      data_size_(data_size),
+      timestamp_(timestamp),
+      duration_(duration) {
+  DCHECK(data);
+  DCHECK(buffer_size >= 0);
+  DCHECK(data_size <= buffer_size);
+}
+
+DataBuffer::~DataBuffer() {
+  delete [] data_;
+}
+
+int64 DataBuffer::GetTimestamp() const {
+  return timestamp_;
+}
+
+void DataBuffer::SetTimestamp(int64 timestamp) {
+  timestamp_ = timestamp;
+}
+
+int64 DataBuffer::GetDuration() const {
+  return duration_;
+}
+
+void DataBuffer::SetDuration(int64 duration) {
+  duration_ = duration;
+}
+
+const char* DataBuffer::GetData() const {
+  return data_;
+}
+
+size_t DataBuffer::GetDataSize() const {
+  return data_size_;
+}
+
+char* DataBuffer::GetWritableData() {
+  return data_;
+}
+
+size_t DataBuffer::GetBufferSize() const {
+  return buffer_size_;
+}
+
+void DataBuffer::SetDataSize(size_t data_size) {
+  data_size_ = data_size;
+}
+
+}  // namespace media