1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
// 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/decoder_buffer.h"
#include "base/logging.h"
#include "media/base/decrypt_config.h"
#if !defined(OS_ANDROID)
#include "base/memory/aligned_memory.h"
#endif
namespace media {
DecoderBuffer::DecoderBuffer(int buffer_size)
: Buffer(base::TimeDelta(), base::TimeDelta()),
buffer_size_(buffer_size) {
Initialize();
}
DecoderBuffer::DecoderBuffer(const uint8* data, int buffer_size)
: Buffer(base::TimeDelta(), base::TimeDelta()),
buffer_size_(buffer_size) {
// Prevent invalid allocations. Also used to create end of stream buffers.
if (!data) {
buffer_size_ = 0;
data_ = NULL;
return;
}
Initialize();
memcpy(data_, data, buffer_size_);
}
DecoderBuffer::~DecoderBuffer() {
#if !defined(OS_ANDROID)
base::AlignedFree(data_);
#else
delete[] data_;
#endif
}
void DecoderBuffer::Initialize() {
DCHECK_GE(buffer_size_, 0);
#if !defined(OS_ANDROID)
data_ = reinterpret_cast<uint8*>(
base::AlignedAlloc(buffer_size_ + kPaddingSize, kAlignmentSize));
memset(data_ + buffer_size_, 0, kPaddingSize);
#else
data_ = new uint8[buffer_size_];
#endif
}
scoped_refptr<DecoderBuffer> DecoderBuffer::CopyFrom(const uint8* data,
int data_size) {
DCHECK(data);
return make_scoped_refptr(new DecoderBuffer(data, data_size));
}
scoped_refptr<DecoderBuffer> DecoderBuffer::CreateEOSBuffer() {
return make_scoped_refptr(new DecoderBuffer(NULL, 0));
}
const uint8* DecoderBuffer::GetData() const {
return data_;
}
int DecoderBuffer::GetDataSize() const {
return buffer_size_;
}
uint8* DecoderBuffer::GetWritableData() {
return data_;
}
const DecryptConfig* DecoderBuffer::GetDecryptConfig() const {
return decrypt_config_.get();
}
void DecoderBuffer::SetDecryptConfig(scoped_ptr<DecryptConfig> decrypt_config) {
decrypt_config_ = decrypt_config.Pass();
}
} // namespace media
|
