1 /* 2 * Copyright (C) 2013 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef WebSourceBuffer_h 32 #define WebSourceBuffer_h 33 34 #include "WebTimeRange.h" 35 36 namespace blink { 37 38 class WebSourceBuffer { 39 public: 40 enum AppendMode { 41 AppendModeSegments, 42 AppendModeSequence 43 }; 44 ~WebSourceBuffer()45 virtual ~WebSourceBuffer() { } 46 virtual bool setMode(AppendMode) = 0; 47 virtual WebTimeRanges buffered() = 0; 48 49 // Appends data and runs the segment parser loop algorithm. 50 // The algorithm may update |*timestampOffset| if |timestampOffset| is not null. 51 virtual void append(const unsigned char* data, unsigned length, double* timestampOffset) = 0; 52 53 virtual void abort() = 0; 54 virtual void remove(double start, double end) = 0; 55 virtual bool setTimestampOffset(double) = 0; 56 57 // Set presentation timestamp for the start of append window. 58 virtual void setAppendWindowStart(double) = 0; 59 60 // Set presentation timestamp for the end of append window. 61 virtual void setAppendWindowEnd(double) = 0; 62 63 virtual void removedFromMediaSource() = 0; 64 }; 65 66 } // namespace blink 67 68 #endif 69