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// Copyright (c) 2008-2009 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(uint8* buffer, size_t buffer_size)
: data_(buffer),
buffer_size_(buffer_size),
data_size_(buffer_size) {
}
DataBuffer::DataBuffer(size_t buffer_size)
: 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() {
}
const uint8* DataBuffer::GetData() const {
return data_.get();
}
size_t DataBuffer::GetDataSize() const {
return data_size_;
}
uint8* DataBuffer::GetWritableData() {
return data_.get();
}
void DataBuffer::SetDataSize(size_t data_size) {
DCHECK(data_size <= buffer_size_);
data_size_ = data_size;
}
size_t DataBuffer::GetBufferSize() const {
return buffer_size_;
}
} // namespace media
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