dsi.cc

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

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

#include "DSI.h"
#include "Sector.h"

#include "util/Log.h"

#include <libmpdvdkit/nav_read.h>
#include <libmpdvdkit/nav_print.h>

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

using dvd::demux::DSI;

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

void DSI::set(const unsigned char* d)
{
    assert(d!=0);
    navRead_DSI(&dsi, const_cast<unsigned char*>(d));
//      navPrint_DSI(&dsi);
}

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

void DSI::set(const Sector& sector)
{
    static const unsigned char header[] = {
        0x00, 0x00, 0x01, 0xbf, 0x03, 0xfa, 0x01
    };

    size_t index = sector.findPESHeader<sizeof(header)>(header);
    assert(index>0);

    set(sector.getData() + index);
}

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

bool DSI::doesNextVOBUFollow() const
{
    return hasNextVOBU() && 
        (getNextVOBUOffset()==getVOBULength()+1);
}

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

void DSI::logNAV() const
{
    Log::debug("nv_pck_lbn=%u, vobu_ea: %u, next_vobu: 0x%08x, next_video: 0x%08x\n",
               dsi.dsi_gi.nv_pck_lbn,
               (size_t)dsi.dsi_gi.vobu_ea,
               dsi.vobu_sri.next_vobu,
               dsi.vobu_sri.next_video);
}

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