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
3 // found in the LICENSE file.
5 #ifndef MEDIA_FORMATS_WEBM_CLUSTER_BUILDER_H_
6 #define MEDIA_FORMATS_WEBM_CLUSTER_BUILDER_H_
8 #include "base/basictypes.h"
9 #include "base/memory/scoped_ptr.h"
10 #include "media/base/buffers.h"
16 Cluster(scoped_ptr<uint8[]> data, int size);
19 const uint8* data() const { return data_.get(); }
20 int size() const { return size_; }
23 scoped_ptr<uint8[]> data_;
26 DISALLOW_IMPLICIT_CONSTRUCTORS(Cluster);
29 class ClusterBuilder {
34 void SetClusterTimecode(int64 cluster_timecode);
35 void AddSimpleBlock(int track_num, int64 timecode, int flags,
36 const uint8* data, int size);
37 void AddBlockGroup(int track_num, int64 timecode, int duration, int flags,
38 const uint8* data, int size);
39 void AddBlockGroupWithoutBlockDuration(int track_num, int64 timecode,
40 int flags, const uint8* data, int size);
42 scoped_ptr<Cluster> Finish();
45 void AddBlockGroupInternal(int track_num, int64 timecode,
46 bool include_block_duration, int duration,
47 int flags, const uint8* data, int size);
49 void ExtendBuffer(int bytes_needed);
50 void UpdateUInt64(int offset, int64 value);
51 void WriteBlock(uint8* buf, int track_num, int64 timecode, int flags,
52 const uint8* data, int size);
54 scoped_ptr<uint8[]> buffer_;
57 int64 cluster_timecode_;
59 DISALLOW_COPY_AND_ASSIGN(ClusterBuilder);
64 #endif // MEDIA_FORMATS_WEBM_CLUSTER_BUILDER_H_