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107 lines
2.9 KiB
C++
107 lines
2.9 KiB
C++
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/* -*- 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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* SegmentBase.cpp
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*****************************************************************************
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* Copyrigh(C) 2010 - 2012 Klagenfurt University
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*
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* Created on: Jan 27, 2012
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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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* |SegmentBase|
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*
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* Describes common initialization information for |Segment|s in a
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* |Representation|.
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*
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* Common class used by all DASH Profiles.
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* Populated by implementation of MPD Parser.
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* Used as data source by implementation of MPD Manager.
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*
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* |MPD|
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* --> |Period|s of time.
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* --> |AdaptationSet|s for each type or group of media content.
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* --> |Representation|s of media, encoded with different bitrates.
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* --> |Segment|s of media, identified by URL (+optional byte
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* range.
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*/
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#include "nsString.h"
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#include "SegmentBase.h"
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namespace mozilla {
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namespace net {
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void
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SegmentBase::GetIndexRange(int64_t* aStartBytes, int64_t* aEndBytes) const
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{
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NS_ENSURE_TRUE(aStartBytes, );
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NS_ENSURE_TRUE(aEndBytes, );
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*aStartBytes = mIndexRangeStart;
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*aEndBytes = mIndexRangeEnd;
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}
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void
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SegmentBase::GetInitRange(int64_t* aStartBytes, int64_t* aEndBytes) const
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{
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NS_ENSURE_TRUE(aStartBytes, );
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NS_ENSURE_TRUE(aEndBytes, );
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*aStartBytes = mInitRangeStart;
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*aEndBytes = mInitRangeEnd;
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}
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void
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SegmentBase::SetIndexRange(nsAString const &aRangeStr)
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{
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SetRange(aRangeStr, mIndexRangeStart, mIndexRangeEnd);
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}
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void
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SegmentBase::SetInitRange(nsAString const &aRangeStr)
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{
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SetRange(aRangeStr, mInitRangeStart, mInitRangeEnd);
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}
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void
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SegmentBase::SetRange(nsAString const &aRangeStr,
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int64_t &aStart,
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int64_t &aEnd)
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{
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NS_ENSURE_TRUE(!aRangeStr.IsEmpty(), );
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nsAString::const_iterator start, end, dashStart, dashEnd;
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aRangeStr.BeginReading(start);
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aRangeStr.EndReading(end);
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dashStart = start;
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dashEnd = end;
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if (FindInReadable(NS_LITERAL_STRING("-"), dashStart, dashEnd)) {
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nsAutoString temp(Substring(start, dashStart));
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nsresult rv;
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aStart = temp.ToInteger64(&rv);
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NS_ENSURE_SUCCESS(rv, );
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temp = Substring(dashEnd, end);
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aEnd = temp.ToInteger64(&rv);
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NS_ENSURE_SUCCESS(rv, );
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}
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}
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}//namespace net
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}//namespace mozilla
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