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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 "VideoPlayerSubtitle.h"
#include "DVDCodecs/DVDFactoryCodec.h"
#include "DVDCodecs/Overlay/DVDOverlay.h"
#include "DVDCodecs/Overlay/DVDOverlayCodec.h"
#include "DVDCodecs/Overlay/DVDOverlaySpu.h"
#include "DVDSubtitles/DVDSubtitleParser.h"
#include "cores/VideoPlayer/Interface/DemuxPacket.h"
#include "cores/VideoPlayer/Interface/TimingConstants.h"
#include "utils/log.h"
#include <mutex>
CVideoPlayerSubtitle::CVideoPlayerSubtitle(CDVDOverlayContainer* pOverlayContainer, CProcessInfo &processInfo)
: IDVDStreamPlayer(processInfo)
{
m_pOverlayContainer = pOverlayContainer;
m_lastPts = DVD_NOPTS_VALUE;
}
CVideoPlayerSubtitle::~CVideoPlayerSubtitle()
{
CloseStream(true);
}
void CVideoPlayerSubtitle::Flush()
{
SendMessage(std::make_shared<CDVDMsg>(CDVDMsg::GENERAL_FLUSH), 0);
}
void CVideoPlayerSubtitle::SendMessage(std::shared_ptr<CDVDMsg> pMsg, int priority)
{
std::unique_lock<CCriticalSection> lock(m_section);
if (pMsg->IsType(CDVDMsg::DEMUXER_PACKET))
{
auto pMsgDemuxerPacket = std::static_pointer_cast<CDVDMsgDemuxerPacket>(pMsg);
DemuxPacket* pPacket = pMsgDemuxerPacket->GetPacket();
if (m_pOverlayCodec)
{
OverlayMessage result = m_pOverlayCodec->Decode(pPacket);
if (result == OverlayMessage::OC_OVERLAY)
{
CDVDOverlay* overlay;
while ((overlay = m_pOverlayCodec->GetOverlay()))
{
m_pOverlayContainer->ProcessAndAddOverlayIfValid(overlay);
overlay->Release();
}
}
}
else if (m_streaminfo.codec == AV_CODEC_ID_DVD_SUBTITLE)
{
CDVDOverlaySpu* pSPUInfo = m_dvdspus.AddData(pPacket->pData, pPacket->iSize, pPacket->pts);
if (pSPUInfo)
{
CLog::Log(LOGDEBUG, "CVideoPlayer::ProcessSubData: Got complete SPU packet");
m_pOverlayContainer->ProcessAndAddOverlayIfValid(pSPUInfo);
pSPUInfo->Release();
}
}
}
else if( pMsg->IsType(CDVDMsg::SUBTITLE_CLUTCHANGE) )
{
auto pData = std::static_pointer_cast<CDVDMsgSubtitleClutChange>(pMsg);
for (int i = 0; i < 16; i++)
{
uint8_t* color = m_dvdspus.m_clut[i];
uint8_t* t = (uint8_t*)pData->m_data[i];
// pData->m_data[i] points to an uint32_t
// Byte swapping is needed between big and little endian systems
#ifdef WORDS_BIGENDIAN
color[0] = t[1]; // Y
color[1] = t[2]; // Cr
color[2] = t[3]; // Cb
#else
color[0] = t[2]; // Y
color[1] = t[0]; // Cr
color[2] = t[1]; // Cb
#endif
}
m_dvdspus.m_bHasClut = true;
}
else if( pMsg->IsType(CDVDMsg::GENERAL_FLUSH)
|| pMsg->IsType(CDVDMsg::GENERAL_RESET) )
{
m_dvdspus.Reset();
if (m_pSubtitleFileParser)
m_pSubtitleFileParser->Reset();
if (m_pOverlayCodec)
m_pOverlayCodec->Flush();
/* We must flush active overlays on flush or if we have a file
* parser since it will re-populate active items. */
if (pMsg->IsType(CDVDMsg::GENERAL_FLUSH) || m_pSubtitleFileParser)
m_pOverlayContainer->Flush();
m_lastPts = DVD_NOPTS_VALUE;
}
}
bool CVideoPlayerSubtitle::OpenStream(CDVDStreamInfo &hints, std::string &filename)
{
std::unique_lock<CCriticalSection> lock(m_section);
CloseStream(false);
m_streaminfo = hints;
// okey check if this is a filesubtitle
if(filename.size() && filename != "dvd" )
{
m_pSubtitleFileParser.reset(CDVDFactorySubtitle::CreateParser(filename));
if (!m_pSubtitleFileParser)
{
CLog::Log(LOGERROR, "{} - Unable to create subtitle parser", __FUNCTION__);
CloseStream(true);
return false;
}
CLog::Log(LOGDEBUG, "Created subtitles parser: {}", m_pSubtitleFileParser->GetName());
if (!m_pSubtitleFileParser->Open(hints))
{
CLog::Log(LOGERROR, "{} - Unable to init subtitle parser", __FUNCTION__);
CloseStream(true);
return false;
}
m_pSubtitleFileParser->Reset();
return true;
}
// dvd's use special subtitle decoder
if(hints.codec == AV_CODEC_ID_DVD_SUBTITLE && filename == "dvd")
return true;
m_pOverlayCodec = CDVDFactoryCodec::CreateOverlayCodec(hints);
if (m_pOverlayCodec)
{
CLog::Log(LOGDEBUG, "Created subtitles overlay codec: {}", m_pOverlayCodec->GetName());
return true;
}
CLog::Log(LOGERROR, "{} - Unable to init overlay codec", __FUNCTION__);
return false;
}
void CVideoPlayerSubtitle::CloseStream(bool bWaitForBuffers)
{
std::unique_lock<CCriticalSection> lock(m_section);
m_pSubtitleFileParser.reset();
m_pOverlayCodec.reset();
m_dvdspus.FlushCurrentPacket();
if (!bWaitForBuffers)
m_pOverlayContainer->Clear();
}
void CVideoPlayerSubtitle::Process(double pts, double offset)
{
std::unique_lock<CCriticalSection> lock(m_section);
if (m_pSubtitleFileParser)
{
if(pts == DVD_NOPTS_VALUE)
return;
if (pts + DVD_SEC_TO_TIME(1) < m_lastPts)
{
m_pOverlayContainer->Clear();
m_pSubtitleFileParser->Reset();
}
if(m_pOverlayContainer->GetSize() >= 5)
return;
CDVDOverlay* pOverlay = m_pSubtitleFileParser->Parse(pts);
// add all overlays which fit the pts
while(pOverlay)
{
pOverlay->iPTSStartTime -= offset;
if(pOverlay->iPTSStopTime != 0.0)
pOverlay->iPTSStopTime -= offset;
m_pOverlayContainer->ProcessAndAddOverlayIfValid(pOverlay);
pOverlay->Release();
pOverlay = m_pSubtitleFileParser->Parse(pts);
}
m_lastPts = pts;
}
}
bool CVideoPlayerSubtitle::AcceptsData() const
{
// FIXME : This may still be causing problems + magic number :(
return m_pOverlayContainer->GetSize() < 5;
}
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