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
DataBuffer(int buffer_size)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
DataBuffer(scoped_ptr<uint8[]> buffer,int buffer_size)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
DataBuffer(const uint8 * data,int data_size)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
~DataBuffer()39 DataBuffer::~DataBuffer() {}
40
41 // static
CopyFrom(const uint8 * data,int size)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
CreateEOSBuffer()49 scoped_refptr<DataBuffer> DataBuffer::CreateEOSBuffer() {
50 return make_scoped_refptr(new DataBuffer(NULL, 0));
51 }
52 } // namespace media
53