config.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_UTIL_CONFIG_H
#define DXR3PLAYER_UTIL_CONFIG_H
//------------------------------------------------------------------------------

#include "config.h"

#include "dvd/demux/DSI.h"
#include "JoystickConfig.h"

#include "enums.h"
#include "types.h"

#include <cstdlib>

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

/**
 * Class to hold all configuration information. 
 */
class Config
{
public:
    /**
     * The default SCR frequency.
     */
    static const unsigned defaultSCRFrequency = 90000000;

    /**
     * The default reader buffer size
     */
    static const size_t defaultReaderBufferSize = 1024;

    /**
     * Get the only instance of the configuration.
     */
    static const Config& get();

    /**
     * Initialize the configuration.
     *
     * @return if the initialization was successful
     */
    static bool initialize(int argc, char* argv[]);

private:
    /**
     * Get the reference to the only configuration instance.
     */
    static Config& getInstance();

    /**
     * Print a usage message.
     */
    static void usage(bool iserror);

public:
    /**
     * Indicate if TV output standard should be kept the same as set
     * on the board, regardless of what the DV says.
     */
    bool keepStandard;

    /**
     * Indicate if the aspect ratio should be kept the same as set
     * on the board, regardless of what the DV says.
     */
    bool keepAspectRatio;

    /**
     * The DVD path.
     */
    const char* dvdPath;
    
    /**
     * Indicate if the DVD should be ejected on startup.
     */
    bool ejectDVD;

    /**
     * Indicate if microcode should be uploaded to the DXR3 board.
     */
    bool uploadMicrocode;

    /**
     * The path to the microcode file.
     */
    const char* microcodeFileName;

    /**
     * The SCR frequency of the DXR3. It is in milliHertzs, relative
     * to the system's clock.
     */
    unsigned scrFrequency;

    /**
     * The reader buffer size (in 2K sectors).
     */
    size_t readerBufferSize;

    /**
     * The default language code.
     */
    unsigned defaultLanguageCode;

    /**
     * The audio output mode.
     */
    audioMode_t audioMode;

    /**
     * Indicate if logging should be verbose.
     */
    bool verboseLogging;

    /**
     * The name of the log file, if any.
     */
    const char* logFileName;

    /**
     * The name of the directory containing data files (informational
     * sequences, icons, etc.)
     */
    const char* dataDirectory;

    /**
     * The forced display format.
     */
    displayFormat_t forcedDisplayFormat;

    /**
     * The audio PTS delay.
     */
    ptsdiff_t audioOffset;

#ifdef USE_JOYSTICK
    /**
     * The joystick device file.
     */
    const char* js;

    /**
     * The joystick config.
     */
    JoystickConfig joystick;
#endif

    /**
     * The audio stream number to force.
     */
    unsigned forcedAudioStream;
    
    /**
     * The audio language to force, if exists. Defaults to none.
     */
    unsigned forcedAudioLanguage;

    /**
     * The subpicture stream number to force.
     */
    unsigned forcedSPUStream;
    
    /**
     * The subpicture language to force, if exists. Defaults to none.
     */
    unsigned forcedSPULanguage;

    /**
     * The region to use. If 0 all regions are enabled.
     */
    unsigned region;

    /**
     * Indicate if we should quit when an EXIT instruction is hit.
     */
    bool quitOnExit;
    
    /**
     * The default AC-3 volume to set on startup
     */
    unsigned defaultVolume;

    /**
     * The default brightness to set on startup
     */
    unsigned defaultBrightness;

    /**
     * The default contrast to set on startup
     */
    unsigned defaultContrast;

    /**
     * The default saturation to set on startup
     */
    unsigned defaultSaturation;

    /**
     * The initial width of the SDL window.
     */
    size_t initialWindowWidth;

    /**
     * The initial height of the SDL window.
     */
    size_t initialWindowHeight;

    /**
     * The directory for saved states.
     */
    const char* saveDirectory;

    /**
     * Indicate if an OSS sound card should be used for DXR3-based
     * playback
     */
    bool useOSSSoundcard;

    /**
     * The number of seconds that has to elapse from the current
     * program, so that the PREVIOUS_CHAPTER commands goes back to the
     * start of the program.
     */
    size_t repeatProgramThreshold;

    /**
     * The time offset for the 2nd speed of fast forward/backward.
     */
    dvd::demux::DSI::timeOffset_t fast2Offset;

    /**
     * The time offset for the 3rd speed of fast forward/backward.
     */
    dvd::demux::DSI::timeOffset_t fast3Offset;
    
private:
    /**
     * Construct the configuration with default values.
     */
    Config();

    /**
     * Destroy the configuration.
     */
    ~Config();

    /**
     * Setup the configuration from command-line arguments. 
     * All options not present on the command-line are left unchanged.
     */
    bool setupFromCommandLine(int argc, char* argv[]);

    /**
     * Setup the configuration from a file. All options not present
     * in the file are left unchanged.
     */
    bool setupFromFile();

    /**
     * Print the configuration.
     */
    void print() const;
};

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

inline Config& Config::getInstance()
{
    static Config config;
    return config;
}

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

inline const Config& Config::get()
{
    return getInstance();
}

//------------------------------------------------------------------------------
#endif // DXR3PLAYER_UTIL_CONFIG_H

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