1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "media/base/data_buffer.h" 6 7 #include "base/logging.h" 8 9 namespace media { 10 11 DataBuffer::DataBuffer(int buffer_size) 12 : buffer_size_(buffer_size), 13 data_size_(0) { 14 CHECK_GE(buffer_size, 0); 15 data_.reset(new uint8[buffer_size_]); 16 } 17 18 DataBuffer::DataBuffer(scoped_ptr<uint8[]> buffer, int buffer_size) 19 : data_(buffer.Pass()), 20 buffer_size_(buffer_size), 21 data_size_(buffer_size) { 22 CHECK(data_.get()); 23 CHECK_GE(buffer_size, 0); 24 } 25 26 DataBuffer::DataBuffer(const uint8* data, int data_size) 27 : buffer_size_(data_size), 28 data_size_(data_size) { 29 if (!data) { 30 CHECK_EQ(data_size, 0); 31 return; 32 } 33 34 CHECK_GE(data_size, 0); 35 data_.reset(new uint8[buffer_size_]); 36 memcpy(data_.get(), data, data_size_); 37 } 38 39 DataBuffer::~DataBuffer() {} 40 41 // static 42 scoped_refptr<DataBuffer> DataBuffer::CopyFrom(const uint8* data, int size) { 43 // If you hit this CHECK you likely have a bug in a demuxer. Go fix it. 44 CHECK(data); 45 return make_scoped_refptr(new DataBuffer(data, size)); 46 } 47 48 // static 49 scoped_refptr<DataBuffer> DataBuffer::CreateEOSBuffer() { 50 return make_scoped_refptr(new DataBuffer(NULL, 0)); 51 } 52 } // namespace media 53
