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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 #ifndef CONTENT_RENDERER_MEDIA_WEBSOURCEBUFFER_IMPL_H_ | |
| 6 #define CONTENT_RENDERER_MEDIA_WEBSOURCEBUFFER_IMPL_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 | |
| 10 #include "base/basictypes.h" | |
| 11 #include "base/compiler_specific.h" | |
| 12 #include "base/time/time.h" | |
| 13 #include "third_party/WebKit/public/platform/WebSourceBuffer.h" | |
| 14 | |
| 15 namespace media { | |
| 16 class ChunkDemuxer; | |
| 17 } | |
| 18 | |
| 19 namespace content { | |
| 20 | |
| 21 class WebSourceBufferImpl : public blink::WebSourceBuffer { | |
| 22 public: | |
| 23 WebSourceBufferImpl(const std::string& id, media::ChunkDemuxer* demuxer); | |
| 24 virtual ~WebSourceBufferImpl(); | |
| 25 | |
| 26 // blink::WebSourceBuffer implementation. | |
| 27 virtual bool setMode(AppendMode mode); | |
| 28 virtual blink::WebTimeRanges buffered(); | |
| 29 virtual void append( | |
| 30 const unsigned char* data, | |
| 31 unsigned length, | |
| 32 double* timestamp_offset); | |
| 33 virtual void abort(); | |
| 34 virtual void remove(double start, double end); | |
| 35 virtual bool setTimestampOffset(double offset); | |
| 36 virtual void setAppendWindowStart(double start); | |
| 37 virtual void setAppendWindowEnd(double end); | |
| 38 virtual void removedFromMediaSource(); | |
| 39 | |
| 40 private: | |
| 41 std::string id_; | |
| 42 media::ChunkDemuxer* demuxer_; // Owned by WebMediaPlayerImpl. | |
| 43 | |
| 44 // Controls the offset applied to timestamps when processing appended media | |
| 45 // segments. It is initially 0, which indicates that no offset is being | |
| 46 // applied. Both setTimestampOffset() and append() may update this value. | |
| 47 base::TimeDelta timestamp_offset_; | |
| 48 | |
| 49 base::TimeDelta append_window_start_; | |
| 50 base::TimeDelta append_window_end_; | |
| 51 | |
| 52 DISALLOW_COPY_AND_ASSIGN(WebSourceBufferImpl); | |
| 53 }; | |
| 54 | |
| 55 } // namespace content | |
| 56 | |
| 57 #endif // CONTENT_RENDERER_MEDIA_WEBSOURCEBUFFER_IMPL_H_ | |
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