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1 // Copyright 2013 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. | |
4 | |
5 #include "webkit/renderer/media/websourcebuffer_impl.h" | |
6 | |
7 #include "media/filters/chunk_demuxer.h" | |
8 | |
9 namespace webkit_media { | |
10 | |
11 WebSourceBufferImpl::WebSourceBufferImpl( | |
12 const std::string& id, media::ChunkDemuxer* demuxer) | |
13 : id_(id), | |
14 demuxer_(demuxer) { | |
15 DCHECK(demuxer_); | |
16 } | |
17 | |
18 WebSourceBufferImpl::~WebSourceBufferImpl() { | |
19 DCHECK(!demuxer_) << "Object destroyed w/o removedFromMediaSource() call"; | |
20 } | |
21 | |
22 WebKit::WebTimeRanges WebSourceBufferImpl::buffered() { | |
23 media::Ranges<base::TimeDelta> ranges = demuxer_->GetBufferedRanges(id_); | |
24 WebKit::WebTimeRanges result(ranges.size()); | |
25 for (size_t i = 0; i < ranges.size(); i++) { | |
26 result[i].start = ranges.start(i).InSecondsF(); | |
27 result[i].end = ranges.end(i).InSecondsF(); | |
28 } | |
29 return result; | |
30 } | |
31 | |
32 void WebSourceBufferImpl::append(const unsigned char* data, unsigned length) { | |
33 demuxer_->AppendData(id_, data, length); | |
34 } | |
35 | |
36 void WebSourceBufferImpl::abort() { | |
37 demuxer_->Abort(id_); | |
38 } | |
39 | |
40 bool WebSourceBufferImpl::setTimestampOffset(double offset) { | |
41 base::TimeDelta time_offset = base::TimeDelta::FromMicroseconds( | |
42 offset * base::Time::kMicrosecondsPerSecond); | |
43 return demuxer_->SetTimestampOffset(id_, time_offset); | |
44 } | |
45 | |
46 void WebSourceBufferImpl::removedFromMediaSource() { | |
47 demuxer_->RemoveId(id_); | |
48 demuxer_ = NULL; | |
49 } | |
50 | |
51 } // namespace webkit_media | |
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