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.
5 #ifndef MEDIA_BLINK_WEBSOURCEBUFFER_IMPL_H_
6 #define MEDIA_BLINK_WEBSOURCEBUFFER_IMPL_H_
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"
18 class WebSourceBufferImpl : public blink::WebSourceBuffer {
20 WebSourceBufferImpl(const std::string& id, ChunkDemuxer* demuxer);
21 virtual ~WebSourceBufferImpl();
23 // blink::WebSourceBuffer implementation.
24 virtual void setClient(blink::WebSourceBufferClient* client);
25 virtual bool setMode(AppendMode mode);
26 virtual blink::WebTimeRanges buffered();
28 const unsigned char* data,
30 double* timestamp_offset);
32 virtual void remove(double start, double end);
33 virtual bool setTimestampOffset(double offset);
34 virtual void setAppendWindowStart(double start);
35 virtual void setAppendWindowEnd(double end);
36 virtual void removedFromMediaSource();
39 // Demuxer callback handler to process an initialization segment received
40 // during an append() call.
41 void InitSegmentReceived();
44 ChunkDemuxer* demuxer_; // Owned by WebMediaPlayerImpl.
46 blink::WebSourceBufferClient* client_;
48 // Controls the offset applied to timestamps when processing appended media
49 // segments. It is initially 0, which indicates that no offset is being
50 // applied. Both setTimestampOffset() and append() may update this value.
51 base::TimeDelta timestamp_offset_;
53 base::TimeDelta append_window_start_;
54 base::TimeDelta append_window_end_;
56 DISALLOW_COPY_AND_ASSIGN(WebSourceBufferImpl);
61 #endif // MEDIA_BLINK_WEBSOURCEBUFFER_IMPL_H_