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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "media/base/decoder_buffer.h" | 5 #include "media/base/decoder_buffer.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "media/base/decrypt_config.h" | 8 #include "media/base/decrypt_config.h" |
9 | 9 |
10 namespace media { | 10 namespace media { |
11 | 11 |
12 DecoderBuffer::DecoderBuffer(int size) | 12 DecoderBuffer::DecoderBuffer(int size) |
13 : size_(size) { | 13 : size_(size) { |
fgalligan1
2013/02/12 01:20:58
Initialize side_data_size_ to 0.
vigneshv
2013/02/14 19:06:14
Done.
| |
14 Initialize(); | 14 Initialize(); |
15 } | 15 } |
16 | 16 |
17 DecoderBuffer::DecoderBuffer(const uint8* data, int size) | 17 DecoderBuffer::DecoderBuffer(const uint8* data, int size) |
18 : size_(size) { | 18 : size_(size) { |
fgalligan1
2013/02/12 01:20:58
Initialize side_data_size_ to 0.
vigneshv
2013/02/14 19:06:14
Done.
| |
19 if (!data) { | 19 if (!data) { |
20 CHECK_EQ(size_, 0); | 20 CHECK_EQ(size_, 0); |
21 return; | 21 return; |
22 } | 22 } |
23 | 23 |
24 Initialize(); | 24 Initialize(); |
25 memcpy(data_.get(), data, size_); | 25 memcpy(data_.get(), data, size_); |
26 } | 26 } |
27 | 27 |
28 DecoderBuffer::~DecoderBuffer() {} | 28 DecoderBuffer::~DecoderBuffer() {} |
29 | 29 |
30 void DecoderBuffer::Initialize() { | 30 void DecoderBuffer::Initialize() { |
31 CHECK_GE(size_, 0); | 31 CHECK_GE(size_, 0); |
32 data_.reset(reinterpret_cast<uint8*>( | 32 data_.reset(reinterpret_cast<uint8*>( |
33 base::AlignedAlloc(size_ + kPaddingSize, kAlignmentSize))); | 33 base::AlignedAlloc(size_ + kPaddingSize, kAlignmentSize))); |
34 memset(data_.get() + size_, 0, kPaddingSize); | 34 memset(data_.get() + size_, 0, kPaddingSize); |
35 side_data_size_ = 0; | |
35 } | 36 } |
36 | 37 |
37 // static | 38 // static |
38 scoped_refptr<DecoderBuffer> DecoderBuffer::CopyFrom(const uint8* data, | 39 scoped_refptr<DecoderBuffer> DecoderBuffer::CopyFrom(const uint8* data, |
39 int data_size) { | 40 int data_size) { |
40 // If you hit this CHECK you likely have a bug in a demuxer. Go fix it. | 41 // If you hit this CHECK you likely have a bug in a demuxer. Go fix it. |
41 CHECK(data); | 42 CHECK(data); |
42 return make_scoped_refptr(new DecoderBuffer(data, data_size)); | 43 return make_scoped_refptr(new DecoderBuffer(data, data_size)); |
43 } | 44 } |
44 | 45 |
46 void DecoderBuffer::SetSideData(const uint8* side_data, int side_data_size) { | |
47 DCHECK(side_data); | |
48 DCHECK_GE(side_data_size_, 0); | |
49 side_data_size_ = side_data_size; | |
50 side_data_.reset(reinterpret_cast<uint8*>( | |
51 base::AlignedAlloc(side_data_size_ + kPaddingSize, kAlignmentSize))); | |
fgalligan1
2013/02/12 01:20:58
nit: 4 space indent
vigneshv
2013/02/14 19:06:14
Done.
| |
52 memset(side_data_.get() + side_data_size_, 0, kPaddingSize); | |
53 memcpy(side_data_.get(), side_data, side_data_size_); | |
54 } | |
55 | |
45 // static | 56 // static |
46 scoped_refptr<DecoderBuffer> DecoderBuffer::CreateEOSBuffer() { | 57 scoped_refptr<DecoderBuffer> DecoderBuffer::CreateEOSBuffer() { |
47 return make_scoped_refptr(new DecoderBuffer(NULL, 0)); | 58 return make_scoped_refptr(new DecoderBuffer(NULL, 0)); |
48 } | 59 } |
49 | 60 |
50 base::TimeDelta DecoderBuffer::GetTimestamp() const { | 61 base::TimeDelta DecoderBuffer::GetTimestamp() const { |
51 DCHECK(!IsEndOfStream()); | 62 DCHECK(!IsEndOfStream()); |
52 return timestamp_; | 63 return timestamp_; |
53 } | 64 } |
54 | 65 |
(...skipping 20 matching lines...) Expand all Loading... | |
75 uint8* DecoderBuffer::GetWritableData() const { | 86 uint8* DecoderBuffer::GetWritableData() const { |
76 DCHECK(!IsEndOfStream()); | 87 DCHECK(!IsEndOfStream()); |
77 return data_.get(); | 88 return data_.get(); |
78 } | 89 } |
79 | 90 |
80 int DecoderBuffer::GetDataSize() const { | 91 int DecoderBuffer::GetDataSize() const { |
81 DCHECK(!IsEndOfStream()); | 92 DCHECK(!IsEndOfStream()); |
82 return size_; | 93 return size_; |
83 } | 94 } |
84 | 95 |
96 const uint8* DecoderBuffer::GetSideData() const { | |
97 return side_data_.get(); | |
98 } | |
99 | |
100 int DecoderBuffer::GetSideDataSize() const { | |
101 return side_data_size_; | |
102 } | |
103 | |
85 const DecryptConfig* DecoderBuffer::GetDecryptConfig() const { | 104 const DecryptConfig* DecoderBuffer::GetDecryptConfig() const { |
86 DCHECK(!IsEndOfStream()); | 105 DCHECK(!IsEndOfStream()); |
87 return decrypt_config_.get(); | 106 return decrypt_config_.get(); |
88 } | 107 } |
89 | 108 |
90 void DecoderBuffer::SetDecryptConfig(scoped_ptr<DecryptConfig> decrypt_config) { | 109 void DecoderBuffer::SetDecryptConfig(scoped_ptr<DecryptConfig> decrypt_config) { |
91 DCHECK(!IsEndOfStream()); | 110 DCHECK(!IsEndOfStream()); |
92 decrypt_config_ = decrypt_config.Pass(); | 111 decrypt_config_ = decrypt_config.Pass(); |
93 } | 112 } |
94 | 113 |
95 bool DecoderBuffer::IsEndOfStream() const { | 114 bool DecoderBuffer::IsEndOfStream() const { |
96 return data_ == NULL; | 115 return data_ == NULL; |
97 } | 116 } |
98 | 117 |
99 std::string DecoderBuffer::AsHumanReadableString() { | 118 std::string DecoderBuffer::AsHumanReadableString() { |
100 if (IsEndOfStream()) { | 119 if (IsEndOfStream()) { |
101 return "end of stream"; | 120 return "end of stream"; |
102 } | 121 } |
103 | 122 |
104 std::ostringstream s; | 123 std::ostringstream s; |
105 s << "timestamp: " << timestamp_.InMicroseconds() | 124 s << "timestamp: " << timestamp_.InMicroseconds() |
106 << " duration: " << duration_.InMicroseconds() | 125 << " duration: " << duration_.InMicroseconds() |
107 << " size: " << size_ | 126 << " size: " << size_ |
108 << " encrypted: " << (decrypt_config_ != NULL); | 127 << " encrypted: " << (decrypt_config_ != NULL); |
109 return s.str(); | 128 return s.str(); |
110 } | 129 } |
111 | 130 |
112 } // namespace media | 131 } // namespace media |
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