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/*
* MediaObject.cpp
*****************************************************************************
* Copyright (C) 2012, bitmovin Softwareentwicklung OG, All Rights Reserved
*
* Email: libdash-dev@vicky.bitmovin.net
*
* This source code and its use and distribution, is subject to the terms
* and conditions of the applicable license agreement.
*****************************************************************************/
#include "MediaObject.h"
#include <inttypes.h>
#include<stdio.h>
using namespace libdash::framework::input;
using namespace dash::mpd;
using namespace dash::network;
using namespace dash::metrics;
MediaObject::MediaObject(ISegment *segment, IRepresentation *rep, bool withFeedBack) :
segment (segment),
rep (rep),
withFeedBack (withFeedBack)
{
this->initSeg = NULL;
InitializeConditionVariable (&this->stateChanged);
InitializeCriticalSection (&this->stateLock);
}
MediaObject::~MediaObject()
{
if(this->state == IN_PROGRESS)
{
this->segment->AbortDownload();
this->OnDownloadStateChanged(ABORTED);
}
this->segment->DetachDownloadObserver(this);
this->WaitFinished();
DeleteConditionVariable (&this->stateChanged);
DeleteCriticalSection (&this->stateLock);
delete this->segment;
this->segment = NULL;
}
void MediaObject::SetFeedBack(bool flag)
{
this->withFeedBack = flag;
}
void MediaObject::AddInitSegment(MediaObject* initSeg)
{
this->initSeg = initSeg;
}
int MediaObject::ReadInitSegment(uint8_t* data, size_t len)
{
if(this->initSeg)
return this->initSeg->Peek(data,len);
else
return 0;
}
bool MediaObject::StartDownload()
{
this->segment->AttachDownloadObserver(this);
return this->segment->StartDownload();
}
bool MediaObject::StartDownload(IICNConnection* conn)
{
if(conn == NULL)
return this->StartDownload();
conn->Init(this->segment);
this->segment->AttachDownloadObserver(this);
return this->segment->StartDownload(conn);
}
const char* MediaObject::GetPath()
{
return ((IChunk*)this->segment)->Path().c_str();
}
void MediaObject::AbortDownload()
{
this->segment->AbortDownload();
this->OnDownloadStateChanged(ABORTED);
}
void MediaObject::WaitFinished()
{
EnterCriticalSection(&this->stateLock);
while(this->state != COMPLETED && this->state != ABORTED){
SleepConditionVariableCS(&this->stateChanged, &this->stateLock, INFINITE);
}
LeaveCriticalSection(&this->stateLock);
if(this->state != ABORTED)
{
if(this->withFeedBack && this->dashReceiver)
{
this->dashReceiver->Notifybps(this->bps);
this->dashReceiver->NotifyDLTime(this->dnltime);
}
}
}
int MediaObject::Read(uint8_t *data, size_t len)
{
return this->segment->Read(data, len);
}
int MediaObject::Peek(uint8_t *data, size_t len)
{
return this->segment->Peek(data, len);
}
int MediaObject::Peek(uint8_t *data, size_t len, size_t offset)
{
return this->segment->Peek(data, len, offset);
}
IRepresentation* MediaObject::GetRepresentation()
{
return this->rep;
}
ISegment* MediaObject::GetSegment()
{
return this->segment;
}
void MediaObject::OnDownloadTimeChanged(double dnltime)
{
this->dnltime = dnltime;
}
void MediaObject::OnDownloadStateChanged(DownloadState state)
{
EnterCriticalSection(&this->stateLock);
this->state = state;
WakeAllConditionVariable(&this->stateChanged);
LeaveCriticalSection(&this->stateLock);
}
void MediaObject::OnDownloadRateChanged(uint64_t bitsPerSecond)
{
this->bps = bitsPerSecond;
}
void MediaObject::SetDASHReceiver(input::DASHReceiver *_dashReceiver)
{
this->dashReceiver = _dashReceiver;
}
void MediaObject::SetAdaptationLogic(adaptation::IAdaptationLogic *_adaptationLogic)
{
this->adaptationLogic = _adaptationLogic;
}
const std::vector<ITCPConnection *>& MediaObject::GetTCPConnectionList() const
{
return this->segment->GetTCPConnectionList();
}
const std::vector<IHTTPTransaction *>& MediaObject::GetHTTPTransactionList () const
{
return this->segment->GetHTTPTransactionList();
}
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