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 WebMediaSource_h 32 #define WebMediaSource_h 33 34 #include "WebCommon.h" 35 #include "WebTimeRange.h" 36 #include "WebURL.h" 37 38 namespace blink { 39 40 class WebSourceBuffer; 41 42 class WebMediaSource { 43 public: 44 enum AddStatus { 45 AddStatusOk, 46 AddStatusNotSupported, 47 AddStatusReachedIdLimit 48 }; 49 50 enum EndOfStreamStatus { 51 EndOfStreamStatusNoError, 52 EndOfStreamStatusNetworkError, 53 EndOfStreamStatusDecodeError, 54 }; 55 56 enum FrameProcessorChoice { 57 UseLegacyFrameProcessor, 58 UseNewFrameProcessor 59 }; 60 ~WebMediaSource()61 virtual ~WebMediaSource() { } 62 // FIXME: Remove addSourceBuffer() that has FrameProcessorChoice, and remove 63 // the default implementations for addSourceBuffer() once Chromium 64 // implementation of the addSourceBuffer() with no FrameProcessorChoice has 65 // landed. See http://crbug.com/249422. addSourceBuffer(const WebString & type,const WebVector<WebString> & codecs,const FrameProcessorChoice,WebSourceBuffer ** webSourceBuffer)66 virtual AddStatus addSourceBuffer(const WebString& type, const WebVector<WebString>& codecs, const FrameProcessorChoice, WebSourceBuffer** webSourceBuffer) 67 { 68 // This default implementation should never be called for real. 69 BLINK_ASSERT_NOT_REACHED(); 70 return AddStatusReachedIdLimit; 71 } addSourceBuffer(const WebString & type,const WebVector<WebString> & codecs,WebSourceBuffer ** webSourceBuffer)72 virtual AddStatus addSourceBuffer(const WebString& type, const WebVector<WebString>& codecs, WebSourceBuffer** webSourceBuffer) 73 { 74 return addSourceBuffer(type, codecs, WebMediaSource::UseNewFrameProcessor, webSourceBuffer); 75 } 76 77 virtual double duration() = 0; 78 virtual void setDuration(double) = 0; 79 virtual void markEndOfStream(EndOfStreamStatus) = 0; 80 virtual void unmarkEndOfStream() = 0; 81 }; 82 83 } // namespace blink 84 85 #endif 86