rc.c

uclinux 下的vlc播放器源代码

            {
                msg_rc( "%s: returned %i (%s)",
                         psz_cmd, i_ret, vlc_error( i_ret ) );
            }
        }
        else if( !strcmp( psz_cmd, "logout" ) )
        {
            /* Close connection */
            if( p_intf->p_sys->i_socket != -1 )
            {
                net_Close( p_intf->p_sys->i_socket );
            }
            p_intf->p_sys->i_socket = -1;
        }
        else if( !strcmp( psz_cmd, "info" ) )
        {
            if( p_input )
            {
                int i, j;
                vlc_mutex_lock( &p_input->input.p_item->lock );
                for ( i = 0; i < p_input->input.p_item->i_categories; i++ )
                {
                    info_category_t *p_category =
                        p_input->input.p_item->pp_categories[i];

                    msg_rc( "+----[ %s ]", p_category->psz_name );
                    msg_rc( "| " );
                    for ( j = 0; j < p_category->i_infos; j++ )
                    {
                        info_t *p_info = p_category->pp_infos[j];
                        msg_rc( "| %s: %s", p_info->psz_name,
                                p_info->psz_value );
                    }
                    msg_rc( "| " );
                }
                msg_rc( "+----[ end of stream info ]" );
                vlc_mutex_unlock( &p_input->input.p_item->lock );
            }
            else
            {
                msg_rc( "no input" );
            }
        }
        else if( !strcmp( psz_cmd, "is_playing" ) )
        {
            if( ! p_input )
            {
                msg_rc( "0" );
            }
            else
            {
                msg_rc( "1" );
            }
        }
        else if( !strcmp( psz_cmd, "get_time" ) )
        {
            if( ! p_input )
            {
                msg_rc("0");
            }
            else
            {
                vlc_value_t time;
                var_Get( p_input, "time", &time );
                msg_rc( "%i", time.i_time / 1000000);
            }
        }
        else if( !strcmp( psz_cmd, "get_length" ) )
        {
            if( ! p_input )
            {
                msg_rc("0");
            }
            else
            {
                vlc_value_t time;
                var_Get( p_input, "length", &time );
                msg_rc( "%i", time.i_time / 1000000);
            }
        }
        else if( !strcmp( psz_cmd, "get_title" ) )
        {
            if( ! p_input )
            {
                msg_rc("");
            }
            else
            {
                msg_rc( "%s", p_input->input.p_item->psz_name );
            }
        }
        else if( !strcmp( psz_cmd, "longhelp" ) || !strncmp( psz_cmd, "h", 1 )
                 || !strncmp( psz_cmd, "H", 1 ) || !strncmp( psz_cmd, "?", 1 ) )
        {
            if( !strcmp( psz_cmd, "longhelp" ) || !strncmp( psz_cmd, "H", 1 ) )
                 b_longhelp = VLC_TRUE;
            else b_longhelp = VLC_FALSE;

            Help( p_intf, b_longhelp );
        }
        else if( !strcmp( psz_cmd, "check-updates" ) )
        {
            checkUpdates( p_intf, psz_arg );
        }
        else switch( psz_cmd[0] )
        {
        case 'f':
        case 'F':
            if( p_input )
            {
                vout_thread_t *p_vout;
                p_vout = vlc_object_find( p_input,
                                          VLC_OBJECT_VOUT, FIND_CHILD );

                if( p_vout )
                {
                    vlc_value_t val;
                    vlc_bool_t b_update = VLC_FALSE;
                    var_Get( p_vout, "fullscreen", &val );
                    val.b_bool = !val.b_bool;
                    if( !strncmp(psz_arg, "on", 2) && (val.b_bool == VLC_TRUE) )
                    {
                        b_update = VLC_TRUE;
                        val.b_bool = VLC_TRUE;
                    }
                    else if( !strncmp(psz_arg, "off", 3)  && (val.b_bool == VLC_FALSE) )
                    {
                        b_update = VLC_TRUE;
                        val.b_bool = VLC_FALSE;
                    }
                    else if( strncmp(psz_arg, "off", 3) && strncmp(psz_arg, "on", 2) )
                        b_update = VLC_TRUE;
                    if( b_update ) var_Set( p_vout, "fullscreen", val );
                    vlc_object_release( p_vout );
                }
            }
            break;

        case 's':
        case 'S':
            ;
            break;

        case '\0':
            /* Ignore empty lines */
            break;

        default:
            msg_rc(_("Unknown command `%s'. Type `help' for help."), psz_cmd);
            break;
        }

        /* Command processed */
        i_size = 0; p_buffer[0] = 0;
    }

    msg_rc( STATUS_CHANGE "( stop state: 0 )" );
    msg_rc( STATUS_CHANGE "( quit )" );

    if( p_input )
    {
        var_DelCallback( p_input, "state", StateChanged, p_intf );
        var_DelCallback( p_input, "rate-faster", RateChanged, p_intf );
        var_DelCallback( p_input, "rate-slower", RateChanged, p_intf );
        var_DelCallback( p_input, "rate", RateChanged, p_intf );
        var_DelCallback( p_input, "time-offset", TimeOffsetChanged, p_intf );
        vlc_object_release( p_input );
        p_input = NULL;
    }

    if( p_playlist )
    {
        vlc_object_release( p_playlist );
        p_playlist = NULL;
    }

    var_DelCallback( p_intf->p_vlc, "volume-change", VolumeChanged, p_intf );
}

static void Help( intf_thread_t *p_intf, vlc_bool_t b_longhelp)
{
    msg_rc(_("+----[ Remote control commands ]"));
    msg_rc(  "| ");
    msg_rc(_("| add XYZ  . . . . . . . . . . add XYZ to playlist"));
    msg_rc(_("| enqueue XYZ  . . . . . . . queue XYZ to playlist"));
    msg_rc(_("| playlist . . .  show items currently in playlist"));
    msg_rc(_("| play . . . . . . . . . . . . . . . . play stream"));
    msg_rc(_("| stop . . . . . . . . . . . . . . . . stop stream"));
    msg_rc(_("| next . . . . . . . . . . . .  next playlist item"));
    msg_rc(_("| prev . . . . . . . . . .  previous playlist item"));
    msg_rc(_("| goto . . . . . . . . . . . .  goto item at index"));
    msg_rc(_("| clear . . . . . . . . . . .   clear the playlist"));
    msg_rc(_("| status . . . . . . . . . current playlist status"));
    msg_rc(_("| title [X]  . . . . set/get title in current item"));
    msg_rc(_("| title_n  . . . . . .  next title in current item"));
    msg_rc(_("| title_p  . . . .  previous title in current item"));
    msg_rc(_("| chapter [X]  . . set/get chapter in current item"));
    msg_rc(_("| chapter_n  . . . .  next chapter in current item"));
    msg_rc(_("| chapter_p  . .  previous chapter in current item"));
    msg_rc(  "| ");
    msg_rc(_("| seek X . seek in seconds, for instance `seek 12'"));
    msg_rc(_("| pause  . . . . . . . . . . . . . .  toggle pause"));
    msg_rc(_("| fastforward  . . . . . .  .  set to maximum rate"));
    msg_rc(_("| rewind  . . . . . . . . . .  set to minimum rate"));
    msg_rc(_("| faster . . . . . . . .  faster playing of stream"));
    msg_rc(_("| slower . . . . . . . .  slower playing of stream"));
    msg_rc(_("| normal . . . . . . . .  normal playing of stream"));
    msg_rc(_("| f [on|off] . . . . . . . . . . toggle fullscreen"));
    msg_rc(_("| info . . .  information about the current stream"));
    msg_rc(_("| get_time . . seconds elapsed since stream's beginning"));
    msg_rc(_("| is_playing . .  1 if a stream plays, 0 otherwise"));
    msg_rc(_("| get_title . . .  the title of the current stream"));
    msg_rc(_("| get_length . .  the length of the current stream"));
    msg_rc(  "| ");
    msg_rc(_("| volume [X] . . . . . . . .  set/get audio volume"));
    msg_rc(_("| volup [X]  . . . . .  raise audio volume X steps"));
    msg_rc(_("| voldown [X]  . . . .  lower audio volume X steps"));
    msg_rc(_("| adev [X] . . . . . . . . .  set/get audio device"));
    msg_rc(_("| achan [X]. . . . . . . .  set/get audio channels"));
    msg_rc(_("| atrack [X] . . . . . . . . . set/get audio track"));
    msg_rc(_("| vtrack [X] . . . . . . . . . set/get video track"));
    msg_rc(_("| vratio [X]  . . . . . set/get video aspect ratio"));
    msg_rc(_("| vcrop [X]  . . . . . . . . .  set/get video crop"));
    msg_rc(_("| vzoom [X]  . . . . . . . . .  set/get video zoom"));
    msg_rc(_("| strack [X] . . . . . . . set/get subtitles track"));
    msg_rc(_("| menu [on|off|up|down|left|right|select] use menu"));
    msg_rc(  "| ");

    if (b_longhelp)
    {
        msg_rc(_("| marq-marquee STRING  . . overlay STRING in video"));
        msg_rc(_("| marq-x X . . . . . . . . . . . .offset from left"));
        msg_rc(_("| marq-y Y . . . . . . . . . . . . offset from top"));
        msg_rc(_("| marq-position #. . .  .relative position control"));
        msg_rc(_("| marq-color # . . . . . . . . . . font color, RGB"));
        msg_rc(_("| marq-opacity # . . . . . . . . . . . . . opacity"));
        msg_rc(_("| marq-timeout T. . . . . . . . . . timeout, in ms"));
        msg_rc(_("| marq-size # . . . . . . . . font size, in pixels"));
        msg_rc(  "| ");
        msg_rc(_("| time-format STRING . . . overlay STRING in video"));
        msg_rc(_("| time-x X . . . . . . . . . . . .offset from left"));
        msg_rc(_("| time-y Y . . . . . . . . . . . . offset from top"));
        msg_rc(_("| time-position #. . . . . . . . relative position"));
        msg_rc(_("| time-color # . . . . . . . . . . font color, RGB"));
        msg_rc(_("| time-opacity # . . . . . . . . . . . . . opacity"));
        msg_rc(_("| time-size # . . . . . . . . font size, in pixels"));
        msg_rc(  "| ");
        msg_rc(_("| logo-file STRING . . .the overlay file path/name"));
        msg_rc(_("| logo-x X . . . . . . . . . . . .offset from left"));
        msg_rc(_("| logo-y Y . . . . . . . . . . . . offset from top"));
        msg_rc(_("| logo-position #. . . . . . . . relative position"));
        msg_rc(_("| logo-transparency #. . . . . . . . .transparency"));
        msg_rc(  "| ");
        msg_rc(_("| mosaic-alpha # . . . . . . . . . . . . . . alpha"));
        msg_rc(_("| mosaic-height #. . . . . . . . . . . . . .height"));
        msg_rc(_("| mosaic-width # . . . . . . . . . . . . . . width"));
        msg_rc(_("| mosaic-xoffset # . . . .top left corner position"));
        msg_rc(_("| mosaic-yoffset # . . . .top left corner position"));
        msg_rc(_("| mosaic-align 0..2,4..6,8..10. . .mosaic alignment"));
        msg_rc(_("| mosaic-vborder # . . . . . . . . vertical border"));
        msg_rc(_("| mosaic-hborder # . . . . . . . horizontal border"));
        msg_rc(_("| mosaic-position {0=auto,1=fixed} . . . .position"));
        msg_rc(_("| mosaic-rows #. . . . . . . . . . .number of rows"));
        msg_rc(_("| mosaic-cols #. . . . . . . . . . .number of cols"));
        msg_rc(_("| mosaic-keep-aspect-ratio {0,1} . . .aspect ratio"));
        msg_rc(  "| ");
        msg_rc(_("| check-updates [newer] [equal] [older]\n"
                 "|               [undef] [info] [source] [binary] [plugin]"));
        msg_rc(  "| ");
    }
    msg_rc(_("| help . . . . . . . . . . . . . this help message"));
    msg_rc(_("| longhelp . . . . . . . . . a longer help message"));
    msg_rc(_("| logout . . . . .  exit (if in socket connection)"));
    msg_rc(_("| quit . . . . . . . . . . . . . . . . .  quit vlc"));
    msg_rc(  "| ");
    msg_rc(_("+----[ end of help ]"));
}

/********************************************************************
 * Status callback routines
 ********************************************************************/
static int TimeOffsetChanged( vlc_object_t *p_this, char const *psz_cmd,
    vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
    intf_thread_t *p_intf = (intf_thread_t*)p_data;
    input_thread_t *p_input = NULL;

    vlc_mutex_lock( &p_intf->p_sys->status_lock );
    p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT, FIND_ANYWHERE );
    if( p_input )
    {
        msg_rc( STATUS_CHANGE "( time-offset: %d )", var_GetInteger( p_input, "time-offset" ) );
        vlc_object_release( p_input );
    }
    vlc_mutex_unlock( &p_intf->p_sys->status_lock );
    return VLC_SUCCESS;
}

static int VolumeChanged( vlc_object_t *p_this, char const *psz_cmd,
    vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
    intf_thread_t *p_intf = (intf_thread_t*)p_data;

    vlc_mutex_lock( &p_intf->p_sys->status_lock );
    msg_rc( STATUS_CHANGE "( audio volume: %d )", config_GetInt( p_this, "volume") );
    vlc_mutex_unlock( &p_intf->p_sys->status_lock );
    return VLC_SUCCESS;
}

static int StateChanged( vlc_object_t *p_this, char const *psz_cmd,
    vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
    intf_thread_t *p_intf = (intf_thread_t*)p_data;
    playlist_t    *p_playlist = NULL;
    input_thread_t *p_input = NULL;

    vlc_mutex_lock( &p_intf->p_sys->status_lock );
    p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT, FIND_ANYWHERE );
    if( p_input )
    {
        p_playlist = vlc_object_find( p_input, VLC_OBJECT_PLAYLIST, FIND_PARENT );
        if( p_playlist )
        {
            char cmd[5] = "";
            switch( p_playlist->status.i_status )
            {
            case PLAYLIST_STOPPED:
                strncpy( &cmd[0], "stop", 4);
                cmd[4] = '\0';
                break;
            case PLAYLIST_RUNNING:
                strncpy( &cmd[0], "play", 4);
                cmd[4] = '\0';
                break;
            case PLAYLIST_PAUSED:
                strncpy( &cmd[0], "pause", 5);
                cmd[5] = '\0';
                break;
            } /* var_GetInteger( p_input, "state" )  */
            msg_rc( STATUS_CHANGE "( %s state: %d )", &cmd[0], newval.i_int );
            vlc_object_release( p_playlist );
        }
        vlc_object_release( p_input );
    }
    vlc_mutex_unlock( &p_intf->p_sys->status_lock );
    return VLC_SUCCESS;
}

static int RateChanged( vlc_object_t *p_this, char const *psz_cmd,
    vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
    intf_thread_t *p_intf = (intf_thread_t*)p_data;
    input_thread_t *p_input = NULL;

    vlc_mutex_lock( &p_intf->p_sys->status_lock );
    p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT, FIND_ANYWHERE );
    if( p_input )
    {
        msg_rc( STATUS_CHANGE "( new rate: %d )", var_GetInteger( p_input, "rate" ) );
        vlc_object_release( p_input );
    }