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123 lines
3.1 KiB
C++
123 lines
3.1 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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* AdaptationSet.cpp
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*****************************************************************************
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* Copyright(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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* |AdaptationSet|
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*
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* Describes a type of media in a |Period| of time in the media presentation,
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* e.g. an audio or video stream. Direct child of |Period|, which contains 1+
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* available pieces of media, available during that time period.
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* |AdaptationSet| itself contains one or more |Representations| which describe
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* different versions of the media, most commonly different bitrate encodings.
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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 "AdaptationSet.h"
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namespace mozilla {
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namespace net {
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int32_t
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AdaptationSet::GetWidth() const
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{
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return mWidth;
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}
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void
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AdaptationSet::SetWidth(int32_t const aWidth)
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{
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mWidth = aWidth;
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}
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int32_t
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AdaptationSet::GetHeight() const
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{
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return mHeight;
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}
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void
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AdaptationSet::SetHeight(int32_t const aHeight)
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{
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mHeight = aHeight;
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}
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void
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AdaptationSet::GetMIMEType(nsAString& aMIMEType) const
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{
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aMIMEType = mMIMEType;
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}
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void
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AdaptationSet::SetMIMEType(nsAString const &aMIMEType)
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{
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NS_ENSURE_FALSE_VOID(aMIMEType.IsEmpty());
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mMIMEType = aMIMEType;
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}
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Representation const *
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AdaptationSet::GetRepresentation(uint32_t aIndex) const
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{
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NS_ENSURE_TRUE(aIndex < mRepresentations.Length(), nullptr);
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return mRepresentations[aIndex];
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}
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void
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AdaptationSet::AddRepresentation(Representation* aRep)
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{
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NS_ENSURE_TRUE_VOID(aRep);
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// Only add if it's not already in the array.
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if (!mRepresentations.Contains(aRep)) {
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mRepresentations.InsertElementSorted(aRep, CompareRepresentationBitrates());
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}
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}
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uint16_t
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AdaptationSet::GetNumRepresentations() const
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{
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return mRepresentations.Length();
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}
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void
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AdaptationSet::EnableBitstreamSwitching(bool aEnable)
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{
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mIsBitstreamSwitching = aEnable;
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}
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bool
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AdaptationSet::IsBitstreamSwitchingEnabled() const
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{
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return mIsBitstreamSwitching;
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}
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}//namespace net
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}//namespace mozilla
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