tvencoder.cc

Linux下比较早的基于命令行的DVD播放器

//
// Copyright (c) 2004 by Istv醤 V醨adi
//
// This file is part of dxr3Player, a DVD player written specifically 
// for the DXR3 (aka Hollywood+) decoder card, but now handles other
// hardware as well. These files contain a (mostly) user-space driver 
// for the Unichrome board found on Via's EPIA motherboards.
//
// The information for implementing this driver has been gathered
// from the following sources:
//
// - The DirectFB Unichrome driver
//   Copyright (c) 2003 Andreas Robinson, All rights reserved.
//
// - Andreas Robinson's MPEG-2 decoder for the Unichrome board.
//   Copyright (c) 2003 Andreas Robinson, All rights reserved.
//
// - Via's Unichrome Framebuffer driver
//   Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
//   Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.

// 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

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

#include "TVEncoder.h"
#include "VT1622.h"
#include "VT1622A.h"
#include "IO.h"

#include "util/Log.h"

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

using unichrome::TVEncoder;

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

TVEncoder* TVEncoder::create(IO& io)
{
    io.i2c.enable();
    int x = io.i2c.read(I2C_ADDR_TVENCODER, I2C_SUBADDR_TVENCODER_TYPE);
    switch(x) {
      case TVENCODER_VT1622:
        return new VT1622(io);
      case TVENCODER_VT1622A:
        return new VT1622A(io);
      default:
        Log::debug("unichrome::TVEncoder::create: unknown TV encoder type: %d\n", x);
        return 0;
    }
}

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

TVEncoder::TVEncoder(IO& io) :
    io(io)
{
}

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