sequenceheader.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.

// 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 "SequenceHeader.h"

#include "util/Log.h"

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

using mpeg::SequenceHeader;

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

void SequenceHeader::log() const
{
    Log::debug("  size= %ux%u\n", horizontalSize, verticalSize);

    switch(aspectRatio) {
      case SAR_1_0:
        Log::debug("  SAR=1.0\n");
        break;
      case DAR_3_4:
        Log::debug("  DAR=3:4\n");
        break;
      case DAR_16_9:
        Log::debug("  DAR=16:9\n");
        break;
      case DAR_1_221:
        Log::debug("  DAR=1:2.21\n");
        break;
      default:
        Log::debug("  aspect ratio is unknown\n");
        break;
    }

    Log::debug("  frame rate=%u/%u\n", frameRateN, frameRateD);

    Log::debug("  bit rate=%u\n", bitRate);

    Log::debug("  VBV buffer size=%u\n", vbvBufferSize);
    
    quantMatrix.log();

    const char* str = 0;
    switch(profile) {
      case PROFILE_SIMPLE:
        str = "Simple";
        break;
      case PROFILE_MAIN:
        str = "Main";
        break;
      case PROFILE_SNR_SCALABLE:
        str = "SNR Scalable";
        break;
      case PROFILE_SPATIALLY_SCALABLE:
        str = "Spatially Scalable";
        break;
      case PROFILE_HIGH:
        str = "High";
        break;
      default:
        str = "Unknown";
        break;
    }
    Log::debug("  profile=%s\n", str);

    switch(level) {
      case LEVEL_LOW:
        str = "Low";
        break;
      case LEVEL_MAIN:
        str = "Main";
        break;
      case LEVEL_HIGH_1440:
        str = "High 1440";
        break;
      case LEVEL_HIGH:
        str = "High";
        break;
      default:
        str = "Unknown";
        break;
    }
    Log::debug("  level=%s\n", str);

    Log::debug("  %sprogressive\n", progressive ? "" : "not ");

    switch(chromaFormat) {
      case CHROMA_4_2_0:
        str = "4:2:0";
        break;
      case CHROMA_4_2_2:
        str = "4:2:2";
        break;
      case CHROMA_4_4_4:
        str = "4:4:4";
        break;
      default:
        str = "Unknown";
        break;
    }
    Log::debug("  chroma format=%s\n", str);

    Log::debug("  %slow-delay\n", lowDelay ? "" : "not ");
}

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