streamprocessor.h

Linux下比较早的基于命令行的DVD播放器

//
// Copyright (c) 2003 by Istv醤 V醨adi
//
// This file is part of dxr3Player, a DVD player written specifically 
// for the DXR3 (aka Hollywood+) decoder card.

// 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 of the License, 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 this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

#ifndef DXR3PLAYER_DVD_DEMUX_STREAMPROCESSOR_H
#define DXR3PLAYER_DVD_DEMUX_STREAMPROCESSOR_H
//------------------------------------------------------------------------------

#include <cstdlib>

//------------------------------------------------------------------------------

namespace dvd { namespace demux {

//------------------------------------------------------------------------------

class Extension;
class SectorBitReader;

//------------------------------------------------------------------------------

/**
 * Stream processor interface.
 */
class StreamProcessor
{
public:
    /**
     * Virtual destructor.
     */
    virtual ~StreamProcessor();

    /**
     * Process a PCI packet.
     *
     * This default implementation discards the packet by skipping it
     * from the reader.
     */
    virtual void processPCI(SectorBitReader& reader, size_t length);

    /**
     * Process a DSI packet.
     *
     * This default implementation discards the packet by skipping it
     * from the reader.
     */
    virtual void processDSI(SectorBitReader& reader, size_t length);

    /**
     * Process the AC-3 audio packet with the given extension and
     * audio stream number.
     *
     * This default implementation discards the packet by skipping it
     * from the reader.
     */
    virtual void processAC3Audio(const Extension& extension, unsigned audioStreamNo,
                                 SectorBitReader& reader, size_t length);

    /**
     * Process an MPEG audio packet with the given extension and audio stream
     * number.
     *
     * This default implementation discards the packet by skipping it
     * from the reader.
     */
    virtual void processMPEGAudio(const Extension& extension, unsigned audioStreamNo,
                                  SectorBitReader& reader, size_t length);

    /**
     * Process a linear PCM audio packet with the given extension and 
     * audio stream number.
     *
     * This default implementation discards the packet by skipping it
     * from the reader.
     */
    virtual void processLPCMAudio(const Extension& extension, unsigned audioStreamNo,
                                  SectorBitReader& reader, size_t length);

    /**
     * Process the DTS audio packet with the given extension and audio stream
     * number.
     *
     * This default implementation discards the packet by skipping it
     * from the reader.
     */
    virtual void processDTSAudio(const Extension& extension, unsigned audioStreamNo,
                                 SectorBitReader& reader, size_t length);

    /**
     * Process the video packet with the given extension.
     *
     * This default implementation discards the packet by skipping it
     * from the reader.
     */
    virtual void processVideo(const Extension& extension,
                              SectorBitReader& reader, size_t length);
     

    /**
     * Process the SPU packet with the given extension and SPU stream
     * number.
     *
     * This default implementation discards the packet by skipping it
     * from the reader.
     */
    virtual void processSPU(const Extension& extension, unsigned spuStreamNo,
                            SectorBitReader& reader, size_t length);

};

//------------------------------------------------------------------------------
// Inline definitions
//------------------------------------------------------------------------------

inline StreamProcessor::~StreamProcessor()
{
}

//------------------------------------------------------------------------------

} /* namespace dvd::demux */ } /* namespace dvd */

//------------------------------------------------------------------------------
#endif // DXR3PLAYER_DVD_DEMUX_STREAMPROCESSOR_H

// Local variables:
// mode: c++
// End: