152 lines
3.4 KiB
C++
152 lines
3.4 KiB
C++
/*
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* Copyright (C) 2005-2008 Team XBMC
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* http://www.xbmc.org
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*
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* This Program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This Program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with XBMC; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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*/
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#include "system.h"
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#include "OMXOverlayCodecText.h"
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#include "OMXOverlayText.h"
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#include "OMXStreamInfo.h"
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#include "utils/log.h"
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#include "OMXSubtitleTagSami.h"
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COMXOverlayCodecText::COMXOverlayCodecText() : COMXOverlayCodec("Text Subtitle Decoder")
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{
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m_pOverlay = NULL;
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m_bIsSSA = false;
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}
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COMXOverlayCodecText::~COMXOverlayCodecText()
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{
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if(m_pOverlay)
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delete m_pOverlay;
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m_pOverlay = NULL;
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}
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bool COMXOverlayCodecText::Open(COMXStreamInfo &hints)
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{
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m_bIsSSA = (hints.codec == AV_CODEC_ID_SSA);
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if(hints.codec == AV_CODEC_ID_SUBRIP || hints.codec == AV_CODEC_ID_SSA)
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return true;
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return false;
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}
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void COMXOverlayCodecText::Dispose()
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{
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if(m_pOverlay)
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delete m_pOverlay;
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m_pOverlay = NULL;
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}
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int COMXOverlayCodecText::Decode(BYTE* data, int size, double pts, double duration)
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{
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if(m_pOverlay)
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delete m_pOverlay;
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m_pOverlay = NULL;
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m_pOverlay = new COMXOverlayText();
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m_pOverlay->iPTSStartTime = 0;
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m_pOverlay->iPTSStopTime = 0;
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char *start, *end, *p;
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start = (char*)data;
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end = (char*)data + size;
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p = (char*)data;
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if (m_bIsSSA)
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{
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// currently just skip the prefixed ssa fields (8 (9?) fields)
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int nFieldCount = 9;
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while (nFieldCount > 0 && start < end)
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{
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if (*start == ',')
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nFieldCount--;
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start++;
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p++;
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}
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}
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COMXSubtitleTagSami TagConv;
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bool Taginit = TagConv.Init();
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while(p<end)
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{
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if(*p == '{')
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{
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if(p>start)
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{
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if(Taginit)
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TagConv.ConvertLine(m_pOverlay, start, p-start);
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else
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m_pOverlay->AddElement(new COMXOverlayText::CElementText(start, p-start));
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}
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start = p+1;
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while(*p != '}' && p<end)
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p++;
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char* override = (char*)malloc(p-start + 1);
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memcpy(override, start, p-start);
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override[p-start] = '\0';
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CLog::Log(LOGINFO, "%s - Skipped formatting tag %s", __FUNCTION__, override);
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free(override);
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start = p+1;
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}
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p++;
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}
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if(p>start)
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{
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if(Taginit)
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{
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TagConv.ConvertLine(m_pOverlay, start, p-start);
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TagConv.CloseTag(m_pOverlay);
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}
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else
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m_pOverlay->AddElement(new COMXOverlayText::CElementText(start, p-start));
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}
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return OC_OVERLAY;
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}
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void COMXOverlayCodecText::Reset()
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{
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if(m_pOverlay)
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delete m_pOverlay;
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m_pOverlay = NULL;
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}
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void COMXOverlayCodecText::Flush()
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{
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if(m_pOverlay)
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delete m_pOverlay;
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m_pOverlay = NULL;
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}
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COMXOverlay* COMXOverlayCodecText::GetOverlay()
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{
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if(m_pOverlay)
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{
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COMXOverlay* overlay = m_pOverlay;
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m_pOverlay = NULL;
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return overlay;
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}
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return NULL;
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}
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