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