rc.c

video linux conference

    }
    else if( !strcmp( psz_cmd, "time-size" ) )
    {
        if( strlen( newval.psz_string ) > 0) 
        {
            val.i_int = atoi( newval.psz_string );
            var_Set( p_inp->p_libvlc, "time-size", val );
        }
    }
    else if( !strcmp( psz_cmd, "logo-file" ) )
    {
        if( strlen( newval.psz_string ) > 0 )
        {
            val.psz_string = newval.psz_string;
            var_Set( p_inp->p_libvlc, "logo-file", val );
        }
    }
    else if( !strcmp( psz_cmd, "logo-x" ) )
    {
        if( strlen( newval.psz_string ) > 0) 
        {
            val.i_int = atoi( newval.psz_string );
            var_Set( p_inp->p_libvlc, "logo-x", val );
        }
    }
    else if( !strcmp( psz_cmd, "logo-y" ) )
    {
        if( strlen( newval.psz_string ) > 0) 
        {
            val.i_int = atoi( newval.psz_string );
            var_Set( p_inp->p_libvlc, "logo-y", val );
        }
    }
    else if( !strcmp( psz_cmd, "logo-position" ) )
    {
        if( strlen( newval.psz_string ) > 0) 
        {
            val.i_int = atoi( newval.psz_string );
            var_Set( p_inp->p_libvlc, "logo-position", val );
        }
    }
    else if( !strcmp( psz_cmd, "logo-transparency" ) )
    {
        if( strlen( newval.psz_string ) > 0) 
        {
            val.i_int = strtol( newval.psz_string, NULL, 0 );
            var_Set( p_inp->p_libvlc, "logo-transparency", val );
        }
    }

    /*
     * sanity check
     */
    else
    {
        msg_rc( "unknown command!\n" );
    }

    vlc_object_release( p_pl );
    vlc_object_release( p_inp );
    return VLC_SUCCESS;
}

static int Quit( vlc_object_t *p_this, char const *psz_cmd,
                 vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
    p_this->p_vlc->b_die = VLC_TRUE;
    return VLC_SUCCESS;
}

static int Intf( vlc_object_t *p_this, char const *psz_cmd,
                 vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
    intf_thread_t *p_newintf;

    p_newintf = intf_Create( p_this->p_vlc, newval.psz_string );

    if( p_newintf )
    {
        p_newintf->b_block = VLC_FALSE;
        if( intf_RunThread( p_newintf ) )
        {
            vlc_object_detach( p_newintf );
            intf_Destroy( p_newintf );
        }
    }

    return VLC_SUCCESS;
}

static int Volume( 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_this;
    int i_error;

    if ( *newval.psz_string )
    {
        /* Set. */
        audio_volume_t i_volume = atoi( newval.psz_string );
        if ( i_volume > AOUT_VOLUME_MAX )
        {
            msg_rc( "Volume must be in the range %d-%d\n", AOUT_VOLUME_MIN,
                    AOUT_VOLUME_MAX );
            i_error = VLC_EBADVAR;
        }
        else i_error = aout_VolumeSet( p_this, i_volume );
    }
    else
    {
        /* Get. */
        audio_volume_t i_volume;
        if ( aout_VolumeGet( p_this, &i_volume ) < 0 )
        {
            i_error = VLC_EGENERIC;
        }
        else
        {
            msg_rc( "Volume is %d\n", i_volume );
            i_error = VLC_SUCCESS;
        }
    }

    return i_error;
}

static int VolumeMove( 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_this;
    audio_volume_t i_volume;
    int i_nb_steps = atoi(newval.psz_string);
    int i_error = VLC_SUCCESS;

    if ( i_nb_steps <= 0 || i_nb_steps > (AOUT_VOLUME_MAX/AOUT_VOLUME_STEP) )
    {
        i_nb_steps = 1;
    }

    if ( !strcmp(psz_cmd, "volup") )
    {
        if ( aout_VolumeUp( p_this, i_nb_steps, &i_volume ) < 0 )
            i_error = VLC_EGENERIC;
    }
    else
    {
        if ( aout_VolumeDown( p_this, i_nb_steps, &i_volume ) < 0 )
            i_error = VLC_EGENERIC;
    }

    if ( !i_error ) msg_rc( "Volume is %d\n", i_volume );
    return i_error;
}

static int AudioConfig( 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_this;
    aout_instance_t * p_aout;
    const char * psz_variable;
    vlc_value_t val_name;
    int i_error;

    p_aout = vlc_object_find( p_this, VLC_OBJECT_AOUT, FIND_ANYWHERE );
    if ( p_aout == NULL ) return VLC_ENOOBJ;

    if ( !strcmp( psz_cmd, "adev" ) )
    {
        psz_variable = "audio-device";
    }
    else
    {
        psz_variable = "audio-channels";
    }

    /* Get the descriptive name of the variable */
    var_Change( (vlc_object_t *)p_aout, psz_variable, VLC_VAR_GETTEXT,
                 &val_name, NULL );
    if( !val_name.psz_string ) val_name.psz_string = strdup(psz_variable);

    if ( !*newval.psz_string )
    {
        /* Retrieve all registered ***. */
        vlc_value_t val, text;
        int i, i_value;

        if ( var_Get( (vlc_object_t *)p_aout, psz_variable, &val ) < 0 )
        {
            vlc_object_release( (vlc_object_t *)p_aout );
            return VLC_EGENERIC;
        }
        i_value = val.i_int;

        if ( var_Change( (vlc_object_t *)p_aout, psz_variable,
                         VLC_VAR_GETLIST, &val, &text ) < 0 )
        {
            vlc_object_release( (vlc_object_t *)p_aout );
            return VLC_EGENERIC;
        }

        msg_rc( "+----[ %s ]\n", val_name.psz_string );
        for ( i = 0; i < val.p_list->i_count; i++ )
        {
            if ( i_value == val.p_list->p_values[i].i_int )
                msg_rc( "| %i - %s *\n", val.p_list->p_values[i].i_int,
                        text.p_list->p_values[i].psz_string );
            else
                msg_rc( "| %i - %s\n", val.p_list->p_values[i].i_int,
                        text.p_list->p_values[i].psz_string );
        }
        var_Change( (vlc_object_t *)p_aout, psz_variable, VLC_VAR_FREELIST,
                    &val, &text );
        msg_rc( "+----[ end of %s ]\n", val_name.psz_string );

        if( val_name.psz_string ) free( val_name.psz_string );
        i_error = VLC_SUCCESS;
    }
    else
    {
        vlc_value_t val;
        val.i_int = atoi( newval.psz_string );

        i_error = var_Set( (vlc_object_t *)p_aout, psz_variable, val );
    }
    vlc_object_release( (vlc_object_t *)p_aout );

    return i_error;
}

#ifdef WIN32
vlc_bool_t ReadWin32( intf_thread_t *p_intf, char *p_buffer, int *pi_size )
{
    INPUT_RECORD input_record;
    DWORD i_dw;

    /* On Win32, select() only works on socket descriptors */
    while( WaitForSingleObject( p_intf->p_sys->hConsoleIn,
                                INTF_IDLE_SLEEP/1000 ) == WAIT_OBJECT_0 )
    {
        while( !p_intf->b_die && *pi_size < MAX_LINE_LENGTH &&
               ReadConsoleInput( p_intf->p_sys->hConsoleIn, &input_record,
                                 1, &i_dw ) )
        {
            if( input_record.EventType != KEY_EVENT ||
                !input_record.Event.KeyEvent.bKeyDown ||
                input_record.Event.KeyEvent.wVirtualKeyCode == VK_SHIFT ||
                input_record.Event.KeyEvent.wVirtualKeyCode == VK_CONTROL||
                input_record.Event.KeyEvent.wVirtualKeyCode == VK_MENU ||
                input_record.Event.KeyEvent.wVirtualKeyCode == VK_CAPITAL )
            {
                /* nothing interesting */
                continue;
            }

            p_buffer[ *pi_size ] = input_record.Event.KeyEvent.uChar.AsciiChar;

            /* Echo out the command */
            putc( p_buffer[ *pi_size ], stdout );

            /* Handle special keys */
            if( p_buffer[ *pi_size ] == '\r' || p_buffer[ *pi_size ] == '\n' )
            {
                putc( '\n', stdout );
                break;
            }
            switch( p_buffer[ *pi_size ] )
            {
            case '\b':
                if( *pi_size )
                {
                    *pi_size -= 2;
                    putc( ' ', stdout );
                    putc( '\b', stdout );
                }
                break;
            case '\r':
                (*pi_size) --;
                break;
            }

            (*pi_size)++;
        }

        if( *pi_size == MAX_LINE_LENGTH ||
            p_buffer[ *pi_size ] == '\r' || p_buffer[ *pi_size ] == '\n' )
        {
            p_buffer[ *pi_size ] = 0;
            return VLC_TRUE;
        }
    }

    return VLC_FALSE;
}
#endif

vlc_bool_t ReadCommand( intf_thread_t *p_intf, char *p_buffer, int *pi_size )
{
    int i_read = 0;

#ifdef WIN32
    if( p_intf->p_sys->i_socket == -1 && !p_intf->p_sys->b_quiet )
        return ReadWin32( p_intf, p_buffer, pi_size );
    else if( p_intf->p_sys->i_socket == -1 )
    {
        msleep( INTF_IDLE_SLEEP );
        return VLC_FALSE;
    }
#endif

    while( !p_intf->b_die && *pi_size < MAX_LINE_LENGTH &&
           (i_read = net_ReadNonBlock( p_intf, p_intf->p_sys->i_socket == -1 ?
                       0 /*STDIN_FILENO*/ : p_intf->p_sys->i_socket, NULL,
                       p_buffer + *pi_size, 1, INTF_IDLE_SLEEP ) ) > 0 )
    {
        if( p_buffer[ *pi_size ] == '\r' || p_buffer[ *pi_size ] == '\n' )
            break;

        (*pi_size)++;
    }

    /* Connection closed */
    if( i_read == -1 )
    {
        p_intf->p_sys->i_socket = -1;
        p_buffer[ *pi_size ] = 0;
        return VLC_TRUE;
    }

    if( *pi_size == MAX_LINE_LENGTH ||
        p_buffer[ *pi_size ] == '\r' || p_buffer[ *pi_size ] == '\n' )
    {
        p_buffer[ *pi_size ] = 0;
        return VLC_TRUE;
    }

    return VLC_FALSE;
}

/*****************************************************************************
 * parse_MRL: build a playlist item from a full mrl
 *****************************************************************************
 * MRL format: "simplified-mrl [:option-name[=option-value]]"
 * We don't check for '"' or '\'', we just assume that a ':' that follows a
 * space is a new option. Should be good enough for our purpose.
 *****************************************************************************/
static playlist_item_t *parse_MRL( intf_thread_t *p_intf, char *psz_mrl )
{
#define SKIPSPACE( p ) { while( *p && ( *p == ' ' || *p == '\t' ) ) p++; }
#define SKIPTRAILINGSPACE( p, d ) \
    { char *e=d; while( e > p && (*(e-1)==' ' || *(e-1)=='\t') ){e--;*e=0;} }

    playlist_item_t *p_item = NULL;
    char *psz_item = NULL, *psz_item_mrl = NULL, *psz_orig;
    char **ppsz_options = NULL;
    int i, i_options = 0;

    if( !psz_mrl ) return 0;

    psz_mrl = psz_orig = strdup( psz_mrl );
    while( *psz_mrl )
    {
        SKIPSPACE( psz_mrl );
        psz_item = psz_mrl;

        for( ; *psz_mrl; psz_mrl++ )
        {
            if( (*psz_mrl == ' ' || *psz_mrl == '\t') && psz_mrl[1] == ':' )
            {
                /* We have a complete item */
                break;
            }
            if( (*psz_mrl == ' ' || *psz_mrl == '\t') &&
                (psz_mrl[1] == '"' || psz_mrl[1] == '\'') && psz_mrl[2] == ':')
            {
                /* We have a complete item */
                break;
            }
        }

        if( *psz_mrl ) { *psz_mrl = 0; psz_mrl++; }
        SKIPTRAILINGSPACE( psz_item, psz_item + strlen( psz_item ) );

        /* Remove '"' and '\'' if necessary */
        if( *psz_item == '"' && psz_item[strlen(psz_item)-1] == '"' )
        { psz_item++; psz_item[strlen(psz_item)-1] = 0; }
        if( *psz_item == '\'' && psz_item[strlen(psz_item)-1] == '\'' )
        { psz_item++; psz_item[strlen(psz_item)-1] = 0; }

        if( !psz_item_mrl ) psz_item_mrl = psz_item;
        else if( *psz_item )
        {
            i_options++;
            ppsz_options = realloc( ppsz_options, i_options * sizeof(char *) );
            ppsz_options[i_options - 1] = &psz_item[1];
        }

        if( *psz_mrl ) SKIPSPACE( psz_mrl );
    }

    /* Now create a playlist item */
    if( psz_item_mrl )
    {
        p_item = playlist_ItemNew( p_intf, psz_item_mrl, psz_item_mrl );
        for( i = 0; i < i_options; i++ )
        {
            playlist_ItemAddOption( p_item, ppsz_options[i] );
        }
    }

    if( i_options ) free( ppsz_options );
    free( psz_orig );

    return p_item;
}