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/*
* Copyright (C) 2005-2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#include "DVDMessage.h"
#include "DVDDemuxers/DVDDemuxUtils.h"
#include "threads/Condition.h"
#include "threads/CriticalSection.h"
#include "threads/SystemClock.h"
#include "utils/MathUtils.h"
#include "utils/log.h"
#include <algorithm>
#include <mutex>
using namespace std::chrono_literals;
class CDVDMsgGeneralSynchronizePriv
{
public:
CDVDMsgGeneralSynchronizePriv(std::chrono::milliseconds timeout, unsigned int sources)
: sources(sources), reached(0), m_timer(timeout)
{}
unsigned int sources;
unsigned int reached;
CCriticalSection section;
XbmcThreads::ConditionVariable condition;
XbmcThreads::EndTime<> m_timer;
};
/**
* CDVDMsgGeneralSynchronize --- GENERAL_SYNCRONIZR
*/
CDVDMsgGeneralSynchronize::CDVDMsgGeneralSynchronize(std::chrono::milliseconds timeout,
unsigned int sources)
: CDVDMsg(GENERAL_SYNCHRONIZE), m_p(new CDVDMsgGeneralSynchronizePriv(timeout, sources))
{
}
CDVDMsgGeneralSynchronize::~CDVDMsgGeneralSynchronize()
{
m_p->condition.notifyAll();
delete m_p;
}
bool CDVDMsgGeneralSynchronize::Wait(std::chrono::milliseconds timeout, unsigned int source)
{
std::unique_lock<CCriticalSection> lock(m_p->section);
XbmcThreads::EndTime<> timer{timeout};
m_p->reached |= (source & m_p->sources);
if ((m_p->sources & SYNCSOURCE_ANY) && source)
m_p->reached |= SYNCSOURCE_ANY;
m_p->condition.notifyAll();
while (m_p->reached != m_p->sources)
{
timeout = std::min(m_p->m_timer.GetTimeLeft(), timer.GetTimeLeft());
if (m_p->condition.wait(lock, timeout))
continue;
if (m_p->m_timer.IsTimePast())
{
CLog::Log(LOGDEBUG, "CDVDMsgGeneralSynchronize - global timeout");
return true; // global timeout, we are done
}
if (timer.IsTimePast())
{
return false; /* request timeout, should be retried */
}
}
return true;
}
void CDVDMsgGeneralSynchronize::Wait(std::atomic<bool>& abort, unsigned int source)
{
while (!Wait(100ms, source) && !abort)
;
}
/**
* CDVDMsgDemuxerPacket --- DEMUXER_PACKET
*/
CDVDMsgDemuxerPacket::CDVDMsgDemuxerPacket(DemuxPacket* packet, bool drop) : CDVDMsg(DEMUXER_PACKET)
{
m_packet = packet;
m_drop = drop;
}
CDVDMsgDemuxerPacket::~CDVDMsgDemuxerPacket()
{
if (m_packet)
CDVDDemuxUtils::FreeDemuxPacket(m_packet);
}
unsigned int CDVDMsgDemuxerPacket::GetPacketSize()
{
if (m_packet)
return m_packet->iSize;
else
return 0;
}
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