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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 "chromecast/media/cma/pipeline/decrypt_util.h" | 5 #include "chromecast/media/cma/pipeline/decrypt_util.h" |
6 | 6 |
7 #include <openssl/aes.h> | 7 #include <openssl/aes.h> |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/logging.h" | 10 #include "base/logging.h" |
11 #include "chromecast/media/cma/base/decoder_buffer_base.h" | 11 #include "chromecast/media/cma/base/decoder_buffer_base.h" |
12 #include "crypto/symmetric_key.h" | 12 #include "crypto/symmetric_key.h" |
13 #include "media/base/decrypt_config.h" | 13 #include "media/base/decrypt_config.h" |
14 | 14 |
15 namespace chromecast { | 15 namespace chromecast { |
16 namespace media { | 16 namespace media { |
17 | 17 |
18 namespace { | 18 namespace { |
19 | 19 |
20 class DecoderBufferClear : public DecoderBufferBase { | 20 class DecoderBufferClear : public DecoderBufferBase { |
21 public: | 21 public: |
22 explicit DecoderBufferClear(const scoped_refptr<DecoderBufferBase>& buffer); | 22 explicit DecoderBufferClear(const scoped_refptr<DecoderBufferBase>& buffer); |
23 | 23 |
24 // DecoderBufferBase implementation. | 24 // DecoderBufferBase implementation. |
25 StreamId stream_id() const override; | 25 StreamId stream_id() const override; |
26 base::TimeDelta timestamp() const override; | 26 base::TimeDelta timestamp() const override; |
| 27 void set_timestamp(const base::TimeDelta& timestamp) override; |
27 const uint8* data() const override; | 28 const uint8* data() const override; |
28 uint8* writable_data() const override; | 29 uint8* writable_data() const override; |
29 size_t data_size() const override; | 30 size_t data_size() const override; |
30 const ::media::DecryptConfig* decrypt_config() const override; | 31 const ::media::DecryptConfig* decrypt_config() const override; |
31 bool end_of_stream() const override; | 32 bool end_of_stream() const override; |
32 | 33 |
33 private: | 34 private: |
34 ~DecoderBufferClear() override; | 35 ~DecoderBufferClear() override; |
35 | 36 |
36 scoped_refptr<DecoderBufferBase> const buffer_; | 37 scoped_refptr<DecoderBufferBase> const buffer_; |
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47 } | 48 } |
48 | 49 |
49 StreamId DecoderBufferClear::stream_id() const { | 50 StreamId DecoderBufferClear::stream_id() const { |
50 return buffer_->stream_id(); | 51 return buffer_->stream_id(); |
51 } | 52 } |
52 | 53 |
53 base::TimeDelta DecoderBufferClear::timestamp() const { | 54 base::TimeDelta DecoderBufferClear::timestamp() const { |
54 return buffer_->timestamp(); | 55 return buffer_->timestamp(); |
55 } | 56 } |
56 | 57 |
| 58 void DecoderBufferClear::set_timestamp(const base::TimeDelta& timestamp) { |
| 59 buffer_->set_timestamp(timestamp); |
| 60 } |
| 61 |
57 const uint8* DecoderBufferClear::data() const { | 62 const uint8* DecoderBufferClear::data() const { |
58 return buffer_->data(); | 63 return buffer_->data(); |
59 } | 64 } |
60 | 65 |
61 uint8* DecoderBufferClear::writable_data() const { | 66 uint8* DecoderBufferClear::writable_data() const { |
62 return buffer_->writable_data(); | 67 return buffer_->writable_data(); |
63 } | 68 } |
64 | 69 |
65 size_t DecoderBufferClear::data_size() const { | 70 size_t DecoderBufferClear::data_size() const { |
66 return buffer_->data_size(); | 71 return buffer_->data_size(); |
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124 data + offset, data + offset, cypher_bytes, &aes_key, | 129 data + offset, data + offset, cypher_bytes, &aes_key, |
125 aes_iv, ecount_buf, &encrypted_byte_offset); | 130 aes_iv, ecount_buf, &encrypted_byte_offset); |
126 offset += cypher_bytes; | 131 offset += cypher_bytes; |
127 } | 132 } |
128 | 133 |
129 return scoped_refptr<DecoderBufferBase>(new DecoderBufferClear(buffer)); | 134 return scoped_refptr<DecoderBufferBase>(new DecoderBufferClear(buffer)); |
130 } | 135 } |
131 | 136 |
132 } // namespace media | 137 } // namespace media |
133 } // namespace chromecast | 138 } // namespace chromecast |
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