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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 #ifndef MEDIA_FORMATS_WEBM_CLUSTER_BUILDER_H_ | 5 #ifndef MEDIA_FORMATS_WEBM_CLUSTER_BUILDER_H_ |
| 6 #define MEDIA_FORMATS_WEBM_CLUSTER_BUILDER_H_ | 6 #define MEDIA_FORMATS_WEBM_CLUSTER_BUILDER_H_ |
| 7 | 7 |
| 8 #include <stdint.h> | 8 #include <stdint.h> |
| 9 | 9 |
| 10 #include <memory> |
| 11 |
| 10 #include "base/macros.h" | 12 #include "base/macros.h" |
| 11 #include "base/memory/scoped_ptr.h" | |
| 12 | 13 |
| 13 namespace media { | 14 namespace media { |
| 14 | 15 |
| 15 class Cluster { | 16 class Cluster { |
| 16 public: | 17 public: |
| 17 Cluster(scoped_ptr<uint8_t[]> data, int size); | 18 Cluster(std::unique_ptr<uint8_t[]> data, int size); |
| 18 ~Cluster(); | 19 ~Cluster(); |
| 19 | 20 |
| 20 const uint8_t* data() const { return data_.get(); } | 21 const uint8_t* data() const { return data_.get(); } |
| 21 int size() const { return size_; } | 22 int size() const { return size_; } |
| 22 | 23 |
| 23 private: | 24 private: |
| 24 scoped_ptr<uint8_t[]> data_; | 25 std::unique_ptr<uint8_t[]> data_; |
| 25 int size_; | 26 int size_; |
| 26 | 27 |
| 27 DISALLOW_IMPLICIT_CONSTRUCTORS(Cluster); | 28 DISALLOW_IMPLICIT_CONSTRUCTORS(Cluster); |
| 28 }; | 29 }; |
| 29 | 30 |
| 30 class ClusterBuilder { | 31 class ClusterBuilder { |
| 31 public: | 32 public: |
| 32 ClusterBuilder(); | 33 ClusterBuilder(); |
| 33 ~ClusterBuilder(); | 34 ~ClusterBuilder(); |
| 34 | 35 |
| 35 void SetClusterTimecode(int64_t cluster_timecode); | 36 void SetClusterTimecode(int64_t cluster_timecode); |
| 36 void AddSimpleBlock(int track_num, | 37 void AddSimpleBlock(int track_num, |
| 37 int64_t timecode, | 38 int64_t timecode, |
| 38 int flags, | 39 int flags, |
| 39 const uint8_t* data, | 40 const uint8_t* data, |
| 40 int size); | 41 int size); |
| 41 void AddBlockGroup(int track_num, | 42 void AddBlockGroup(int track_num, |
| 42 int64_t timecode, | 43 int64_t timecode, |
| 43 int duration, | 44 int duration, |
| 44 int flags, | 45 int flags, |
| 45 const uint8_t* data, | 46 const uint8_t* data, |
| 46 int size); | 47 int size); |
| 47 void AddBlockGroupWithoutBlockDuration(int track_num, | 48 void AddBlockGroupWithoutBlockDuration(int track_num, |
| 48 int64_t timecode, | 49 int64_t timecode, |
| 49 int flags, | 50 int flags, |
| 50 const uint8_t* data, | 51 const uint8_t* data, |
| 51 int size); | 52 int size); |
| 52 | 53 |
| 53 scoped_ptr<Cluster> Finish(); | 54 std::unique_ptr<Cluster> Finish(); |
| 54 scoped_ptr<Cluster> FinishWithUnknownSize(); | 55 std::unique_ptr<Cluster> FinishWithUnknownSize(); |
| 55 | 56 |
| 56 private: | 57 private: |
| 57 void AddBlockGroupInternal(int track_num, | 58 void AddBlockGroupInternal(int track_num, |
| 58 int64_t timecode, | 59 int64_t timecode, |
| 59 bool include_block_duration, | 60 bool include_block_duration, |
| 60 int duration, | 61 int duration, |
| 61 int flags, | 62 int flags, |
| 62 const uint8_t* data, | 63 const uint8_t* data, |
| 63 int size); | 64 int size); |
| 64 void Reset(); | 65 void Reset(); |
| 65 void ExtendBuffer(int bytes_needed); | 66 void ExtendBuffer(int bytes_needed); |
| 66 void UpdateUInt64(int offset, int64_t value); | 67 void UpdateUInt64(int offset, int64_t value); |
| 67 void WriteBlock(uint8_t* buf, | 68 void WriteBlock(uint8_t* buf, |
| 68 int track_num, | 69 int track_num, |
| 69 int64_t timecode, | 70 int64_t timecode, |
| 70 int flags, | 71 int flags, |
| 71 const uint8_t* data, | 72 const uint8_t* data, |
| 72 int size); | 73 int size); |
| 73 | 74 |
| 74 scoped_ptr<uint8_t[]> buffer_; | 75 std::unique_ptr<uint8_t[]> buffer_; |
| 75 int buffer_size_; | 76 int buffer_size_; |
| 76 int bytes_used_; | 77 int bytes_used_; |
| 77 int64_t cluster_timecode_; | 78 int64_t cluster_timecode_; |
| 78 | 79 |
| 79 DISALLOW_COPY_AND_ASSIGN(ClusterBuilder); | 80 DISALLOW_COPY_AND_ASSIGN(ClusterBuilder); |
| 80 }; | 81 }; |
| 81 | 82 |
| 82 } // namespace media | 83 } // namespace media |
| 83 | 84 |
| 84 #endif // MEDIA_FORMATS_WEBM_CLUSTER_BUILDER_H_ | 85 #endif // MEDIA_FORMATS_WEBM_CLUSTER_BUILDER_H_ |
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