зеркало из https://github.com/mozilla/gecko-dev.git
79 строки
2.6 KiB
C++
79 строки
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/*
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* nsDASHMPDParser.h
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*****************************************************************************
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* Copyright(C) 2010 - 2011 Klagenfurt University
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*
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* Created on: Aug 10, 2010
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* Authors: Christopher Mueller <christopher.mueller@itec.uni-klu.ac.at>
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* Christian Timmerer <christian.timmerer@itec.uni-klu.ac.at>
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* Contributors:
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* Steve Workman <sworkman@mozilla.com>
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*
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* This Source Code Form Is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/.
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*****************************************************************************/
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/* DASH - Dynamic Adaptive Streaming over HTTP.
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*
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* DASH is an adaptive bitrate streaming technology where a multimedia file is
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* partitioned into one or more segments and delivered to a client using HTTP.
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*
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* see DASHDecoder.cpp for info on DASH interaction with the media engine.
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*/
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#ifndef __DASHMPDPARSER_H__
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#define __DASHMPDPARSER_H__
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#include "nsAutoPtr.h"
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#include "nsNetUtil.h"
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#include "nsIPrincipal.h"
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#include "nsIDOMElement.h"
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#include "IMPDManager.h"
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namespace mozilla {
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namespace net {
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class nsDASHMPDParser
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{
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public:
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// Constructor takes pointer to MPD byte stream and length, as well as the
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// current principal and URI from which the MPD download took place.
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// Ownership of |aMPDData| should be transferred to this object.
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nsDASHMPDParser(char* aMPDData,
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uint32_t aDataLength,
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nsIPrincipal* aPrincipal,
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nsIURI* aURI);
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~nsDASHMPDParser();
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// Parses the MPD byte stream passed in the constructor.
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// Returns a pointer to the MPDManager and the MPD profile type.
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nsresult Parse(IMPDManager** aMPDManager,
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DASHMPDProfile* aProfile);
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private:
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// Returns the MPD profile type given the DOM node for the root.
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nsresult GetProfile(nsIDOMElement* aRoot,
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DASHMPDProfile &profile);
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// Debug: Prints the DOM elements.
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void PrintDOMElements(nsIDOMElement* aRoot);
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// Debug: Prints a single DOM element.
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void PrintDOMElement(nsIDOMElement* aElem, int32_t aOffset);
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// Pointer to the MPD byte stream.
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nsAutoPtr<char const> mData;
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// Length in bytes of the MPD stream.
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uint32_t mDataLength;
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// Principal of the document.
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nsCOMPtr<nsIPrincipal> mPrincipal;
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// URI of the MPD Document downloaded.
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nsCOMPtr<nsIURI> mURI;
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};
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}//namespace net
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}//namespace mozilla
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#endif /* __DASHMPDPARSER_H__ */
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