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 THIRD_PARTY_BLINK_PUBLIC_PLATFORM_WEB_MEDIA_SOURCE_H_ 32 #define THIRD_PARTY_BLINK_PUBLIC_PLATFORM_WEB_MEDIA_SOURCE_H_ 33 34 #include "third_party/blink/public/platform/web_string.h" 35 #include "third_party/blink/public/platform/web_time_range.h" 36 #include "third_party/blink/public/platform/web_url.h" 37 38 namespace blink { 39 40 class WebSourceBuffer; 41 42 class WebMediaSource { 43 public: 44 enum AddStatus { 45 kAddStatusOk, 46 kAddStatusNotSupported, 47 kAddStatusReachedIdLimit 48 }; 49 50 enum EndOfStreamStatus { 51 kEndOfStreamStatusNoError, 52 kEndOfStreamStatusNetworkError, 53 kEndOfStreamStatusDecodeError, 54 }; 55 56 virtual ~WebMediaSource() = default; 57 58 // Attempts to create a new WebSourceBuffer for use with this WebMediaSource. 59 // |content_type| is the ContentType string of the new WebSourceBuffer 60 // bytestream's MIME type, and |codecs| contains the "codecs" parameter 61 // string, if any, of the bytestream's MIME type. 62 // If this WebMediaSource supports the format indicated by |content_type| and 63 // |codecs| and has enough resources to support a new WebSourceBuffer, returns 64 // kAddStatusOk and creates a new WebSourceBuffer and changes the 65 // WebSourceBuffer parameter to point to it. 66 // If this WebMediaSource cannot handle another WebSourceBuffer right now, 67 // returns kAddStatusReachedIdLimit without modifying the WebSourceBuffer 68 // parameter. 69 // If |content_type| and |codecs| are not supported, returns 70 // kAddStatusNotSupported without modifying the WebSourceBuffer parameter. 71 virtual AddStatus AddSourceBuffer(const WebString& content_type, 72 const WebString& codecs, 73 WebSourceBuffer**) = 0; 74 75 virtual double Duration() = 0; 76 virtual void SetDuration(double) = 0; 77 virtual void MarkEndOfStream(EndOfStreamStatus) = 0; 78 virtual void UnmarkEndOfStream() = 0; 79 }; 80 81 } // namespace blink 82 83 #endif 84