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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_; |
| (...skipping 10 matching lines...) Expand all Loading... |
| 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(); |
| (...skipping 57 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 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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