root/media/base/data_buffer.cc

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DEFINITIONS

This source file includes following definitions.
  1. data_size_
  2. data_size_
  3. data_size_
  4. CopyFrom
  5. CreateEOSBuffer

// 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/data_buffer.h"

#include "base/logging.h"

namespace media {

DataBuffer::DataBuffer(int buffer_size)
    : buffer_size_(buffer_size),
      data_size_(0) {
  CHECK_GE(buffer_size, 0);
  data_.reset(new uint8[buffer_size_]);
}

DataBuffer::DataBuffer(scoped_ptr<uint8[]> buffer, int buffer_size)
    : data_(buffer.Pass()),
      buffer_size_(buffer_size),
      data_size_(buffer_size) {
  CHECK(data_.get());
  CHECK_GE(buffer_size, 0);
}

DataBuffer::DataBuffer(const uint8* data, int data_size)
    : buffer_size_(data_size),
      data_size_(data_size) {
  if (!data) {
    CHECK_EQ(data_size, 0);
    return;
  }

  CHECK_GE(data_size, 0);
  data_.reset(new uint8[buffer_size_]);
  memcpy(data_.get(), data, data_size_);
}

DataBuffer::~DataBuffer() {}

// static
scoped_refptr<DataBuffer> DataBuffer::CopyFrom(const uint8* data, int size) {
  // If you hit this CHECK you likely have a bug in a demuxer. Go fix it.
  CHECK(data);
  return make_scoped_refptr(new DataBuffer(data, size));
}

// static
scoped_refptr<DataBuffer> DataBuffer::CreateEOSBuffer() {
  return make_scoped_refptr(new DataBuffer(NULL, 0));
}
}  // namespace media

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