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// 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/bit_reader.h"
namespace media {
BitReader::BitReader(const uint8* data, int size)
: initial_size_(size),
data_(data),
bytes_left_(size),
bit_reader_core_(this) {
DCHECK(data != NULL);
DCHECK_GE(size, 0);
}
BitReader::~BitReader() {}
int BitReader::GetBytes(int max_nbytes, const uint8** out) {
DCHECK_GE(max_nbytes, 0);
DCHECK(out);
int nbytes = max_nbytes;
if (nbytes > bytes_left_)
nbytes = bytes_left_;
*out = data_;
data_ += nbytes;
bytes_left_ -= nbytes;
return nbytes;
}
} // namespace media
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