vlc_playback.cpp

/*******************************************************************************
* Copyright © 2015, Sergey Radionov <rsatom_gmail.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*   1. Redistributions of source code must retain the above copyright notice,
*      this list of conditions and the following disclaimer.
*   2. Redistributions in binary form must reproduce the above copyright notice,
*      this list of conditions and the following disclaimer in the documentation
*      and/or other materials provided with the distribution.

* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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*******************************************************************************/

#include "vlc_playback.h"

using namespace vlc;

playback::playback( vlc::basic_player& player )
    : _player( player )
{
}

float playback::get_rate()
{
    if( !_player.is_open() )
        return 1.f;

    return libvlc_media_player_get_rate( _player.get_mp() );
}

void playback::set_rate( float rate )
{
    if( !_player.is_open() )
        return;

    libvlc_media_player_set_rate( _player.get_mp(), rate );
}

float playback::get_position()
{
    if( !_player.is_open() )
        return 0.f;

    float p = libvlc_media_player_get_position( _player.get_mp() );

    return p < 0 ? 0 : p;
}

void playback::set_position( float p )
{
    if( !_player.is_open() )
        return;

    libvlc_media_player_set_position( _player.get_mp(), p );
}

libvlc_time_t playback::get_time()
{
    if( !_player.is_open() )
        return 0;

    libvlc_time_t t = libvlc_media_player_get_time( _player.get_mp() );

    return t < 0 ? 0 : t ;
}

void playback::set_time( libvlc_time_t t )
{
    if( !_player.is_open() )
        return;

    libvlc_media_player_set_time( _player.get_mp(), t );
}

libvlc_time_t playback::get_length()
{
    if( !_player.is_open() )
        return 0;

    libvlc_time_t t = libvlc_media_player_get_length( _player.get_mp() );

    return t < 0 ? 0 : t ;
}

float playback::get_fps()
{
    if( !_player.is_open() )
        return 0;

    return libvlc_media_player_get_fps( _player.get_mp() );
}