88 lines
2.3 KiB
C++
88 lines
2.3 KiB
C++
#pragma once
|
|
|
|
/*
|
|
* Copyright (C) 2005-2008 Team XBMC
|
|
* http://www.xbmc.org
|
|
*
|
|
* This Program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2, or (at your option)
|
|
* any later version.
|
|
*
|
|
* This Program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with XBMC; see the file COPYING. If not, write to
|
|
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
* http://www.gnu.org/copyleft/gpl.html
|
|
*
|
|
*/
|
|
|
|
#include "OMXOverlay.h"
|
|
#include "PlatformDefs.h"
|
|
|
|
#include <string>
|
|
|
|
// VC_ messages, messages can be combined
|
|
#define OC_ERROR 0x00000001 // an error occured, no other messages will be returned
|
|
#define OC_BUFFER 0x00000002 // the decoder needs more data
|
|
#define OC_OVERLAY 0x00000004 // the decoder decoded an overlay, call Decode(NULL, 0) again to parse the rest of the data
|
|
|
|
class COMXStreamInfo;
|
|
|
|
class COMXOverlayCodec
|
|
{
|
|
public:
|
|
|
|
COMXOverlayCodec(const char* name)
|
|
{
|
|
m_codecName = name;
|
|
}
|
|
|
|
virtual ~COMXOverlayCodec() {}
|
|
|
|
/*
|
|
* Open the decoder, returns true on success
|
|
*/
|
|
virtual bool Open(COMXStreamInfo &hints) = 0;
|
|
|
|
/*
|
|
* Dispose, Free all resources
|
|
*/
|
|
virtual void Dispose() = 0;
|
|
|
|
/*
|
|
* returns one or a combination of VC_ messages
|
|
* pData and iSize can be NULL, this means we should flush the rest of the data.
|
|
*/
|
|
virtual int Decode(BYTE* data, int size, double pts, double duration) = 0;
|
|
|
|
/*
|
|
* Reset the decoder.
|
|
* Should be the same as calling Dispose and Open after each other
|
|
*/
|
|
virtual void Reset() = 0;
|
|
|
|
/*
|
|
* Flush the current working packet
|
|
* This may leave the internal state intact
|
|
*/
|
|
virtual void Flush() = 0;
|
|
|
|
/*
|
|
* returns a valid overlay or NULL
|
|
* the data is valid until the next Decode call
|
|
*/
|
|
virtual COMXOverlay* GetOverlay() = 0;
|
|
|
|
/*
|
|
* return codecs name
|
|
*/
|
|
virtual const char* GetName() { return m_codecName.c_str(); }
|
|
|
|
private:
|
|
std::string m_codecName;
|
|
};
|