hotkeys.c

uclinux 下的vlc播放器源代码

            {
                p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
                                              FIND_ANYWHERE );
                if( p_playlist )
                {
                    playlist_Stop( p_playlist );
                    vlc_object_release( p_playlist );
                }
            }
            else if( i_action == ACTIONID_FASTER )
            {
                vlc_value_t val;
                val.b_bool = VLC_TRUE;
                var_Set( p_input, "rate-faster", val );
                vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
                                 _("Faster") );
            }
            else if( i_action == ACTIONID_SLOWER )
            {
                vlc_value_t val;
                val.b_bool = VLC_TRUE;
                var_Set( p_input, "rate-slower", val );
                vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
                                 _("Slower") );
            }
            else if( i_action == ACTIONID_POSITION && b_seekable )
            {
                DisplayPosition( p_intf, p_vout, p_input );
            }
            else if( i_action >= ACTIONID_PLAY_BOOKMARK1 &&
                     i_action <= ACTIONID_PLAY_BOOKMARK10 )
            {
                PlayBookmark( p_intf, i_action - ACTIONID_PLAY_BOOKMARK1 + 1 );
            }
            else if( i_action >= ACTIONID_SET_BOOKMARK1 &&
                     i_action <= ACTIONID_SET_BOOKMARK10 )
            {
                SetBookmark( p_intf, i_action - ACTIONID_SET_BOOKMARK1 + 1 );
            }
            /* Only makes sense with DVD */
            else if( i_action == ACTIONID_TITLE_PREV )
            {
                val.b_bool = VLC_TRUE;
                var_Set( p_input, "prev-title", val );
            }
            else if( i_action == ACTIONID_TITLE_NEXT )
            {
                val.b_bool = VLC_TRUE;
                var_Set( p_input, "next-title", val );
            }
            else if( i_action == ACTIONID_CHAPTER_PREV )
            {
                val.b_bool = VLC_TRUE;
                var_Set( p_input, "prev-chapter", val );
            }
            else if( i_action == ACTIONID_CHAPTER_NEXT )
            {
                val.b_bool = VLC_TRUE;
                var_Set( p_input, "next-chapter", val );
            }
            else if( i_action == ACTIONID_DISC_MENU )
            {
                vlc_value_t val; val.i_int = 2;
                var_Set( p_input, "title  0", val);
            }
            else if( i_action == ACTIONID_SUBDELAY_DOWN )
            {
                int64_t i_delay = var_GetTime( p_input, "spu-delay" );

                i_delay -= 50000;    /* 50 ms */

                var_SetTime( p_input, "spu-delay", i_delay );
                ClearChannels( p_intf, p_vout );
                vout_OSDMessage( p_intf, DEFAULT_CHAN, "Subtitle delay %i ms",
                                 (int)(i_delay/1000) );
            }
            else if( i_action == ACTIONID_SUBDELAY_UP )
            {
                int64_t i_delay = var_GetTime( p_input, "spu-delay" );

                i_delay += 50000;    /* 50 ms */

                var_SetTime( p_input, "spu-delay", i_delay );
                ClearChannels( p_intf, p_vout );
                vout_OSDMessage( p_intf, DEFAULT_CHAN, "Subtitle delay %i ms",
                                 (int)(i_delay/1000) );
            }
            else if( i_action == ACTIONID_AUDIODELAY_DOWN )
            {
                int64_t i_delay = var_GetTime( p_input, "audio-delay" );

                i_delay -= 50000;    /* 50 ms */

                var_SetTime( p_input, "audio-delay", i_delay );
                ClearChannels( p_intf, p_vout );
                vout_OSDMessage( p_intf, DEFAULT_CHAN, "Audio delay %i ms",
                                 (int)(i_delay/1000) );
            }
            else if( i_action == ACTIONID_AUDIODELAY_UP )
            {
                int64_t i_delay = var_GetTime( p_input, "audio-delay" );

                i_delay += 50000;    /* 50 ms */

                var_SetTime( p_input, "audio-delay", i_delay );
                ClearChannels( p_intf, p_vout );
                vout_OSDMessage( p_intf, DEFAULT_CHAN, "Audio delay %i ms",
                                 (int)(i_delay/1000) );
            }
            else if( i_action == ACTIONID_PLAY )
            {
                p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
                                              FIND_ANYWHERE );
                if( p_playlist )
                {
                    var_Get( p_input, "rate", &val );
                    msg_Dbg( p_input, "rate %d", val.i_int );
                    if( val.i_int != INPUT_RATE_DEFAULT )
                    {
                        /* Return to normal speed */
                        val.i_int = INPUT_RATE_DEFAULT;
                        var_Set( p_input, "rate", val );
                    }
                    else
                    {
                        ClearChannels( p_intf, p_vout );
                        vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
                                      OSD_PLAY_ICON );
                        playlist_Play( p_playlist );
                    }
                    vlc_object_release( p_playlist );
                }
            }
        }
    }
}

static int GetKey( intf_thread_t *p_intf)
{
    vlc_mutex_lock( &p_intf->p_sys->change_lock );
    if ( p_intf->p_sys->i_size == 0 )
    {
        vlc_mutex_unlock( &p_intf->p_sys->change_lock );
        return -1;
    }
    else
    {
        int i_return = p_intf->p_sys->p_keys[ 0 ];
        int i;
        p_intf->p_sys->i_size--;
        for ( i = 0; i < BUFFER_SIZE - 1; i++)
        {
            p_intf->p_sys->p_keys[ i ] = p_intf->p_sys->p_keys[ i + 1 ];
        }
        vlc_mutex_unlock( &p_intf->p_sys->change_lock );
        return i_return;
    }
}

/*****************************************************************************
 * KeyEvent: callback for keyboard events
 *****************************************************************************/
static int KeyEvent( vlc_object_t *p_this, char const *psz_var,
                     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->change_lock );
    if ( p_intf->p_sys->i_size == BUFFER_SIZE )
    {
        msg_Warn( p_intf, "event buffer full, dropping keypress" );
        vlc_mutex_unlock( &p_intf->p_sys->change_lock );
        return VLC_EGENERIC;
    }
    else
    {
        p_intf->p_sys->p_keys[ p_intf->p_sys->i_size ] = newval.i_int;
        p_intf->p_sys->i_size++;
    }
    vlc_mutex_unlock( &p_intf->p_sys->change_lock );

    return VLC_SUCCESS;
}

static int ActionKeyCB( vlc_object_t *p_this, char const *psz_var,
                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
    vlc_t *p_vlc = (vlc_t *)p_this;
    struct hotkey *p_hotkeys = p_vlc->p_hotkeys;
    mtime_t i_date;
    int i;

    for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
    {
        if( !strcmp( p_hotkeys[i].psz_action, psz_var ) )
        {
            p_hotkeys[i].i_key = newval.i_int;
            /* do hotkey accounting */
            i_date = mdate();
            if( (p_hotkeys[i].i_delta_date > 0) &&
                (p_hotkeys[i].i_delta_date <= (i_date - p_hotkeys[i].i_last_date) ) )
                p_hotkeys[i].i_times = 0;
            else
                p_hotkeys[i].i_times++;
            p_hotkeys[i].i_last_date = i_date;
        }
    }

    return VLC_SUCCESS;
}

static void PlayBookmark( intf_thread_t *p_intf, int i_num )
{
    vlc_value_t val;
    int i_position;
    char psz_bookmark_name[11];
    playlist_t *p_playlist =
        vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );

    sprintf( psz_bookmark_name, "bookmark%i", i_num );
    var_Create( p_intf, psz_bookmark_name, VLC_VAR_STRING|VLC_VAR_DOINHERIT );
    var_Get( p_intf, psz_bookmark_name, &val );

    if( p_playlist )
    {
        char *psz_bookmark = strdup( val.psz_string );
        for( i_position = 0; i_position < p_playlist->i_size; i_position++)
        {
            if( !strcmp( psz_bookmark,
                         p_playlist->pp_items[i_position]->input.psz_uri ) )
            {
                playlist_Goto( p_playlist, i_position );
                break;
            }
        }
        vlc_object_release( p_playlist );
    }
}

static void SetBookmark( intf_thread_t *p_intf, int i_num )
{
    playlist_t *p_playlist =
        vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
    if( p_playlist )
    {
        char psz_bookmark_name[11];
        sprintf( psz_bookmark_name, "bookmark%i", i_num );
        var_Create( p_intf, psz_bookmark_name,
                    VLC_VAR_STRING|VLC_VAR_DOINHERIT );
        if( p_playlist->status.p_item )
        {
            config_PutPsz( p_intf, psz_bookmark_name,
                           p_playlist->status.p_item->input.psz_uri);
            msg_Info( p_intf, "setting playlist bookmark %i to %s", i_num,
                           p_playlist->status.p_item->input.psz_uri);
            config_SaveConfigFile( p_intf, "hotkeys" );
        }
        vlc_object_release( p_playlist );
    }
}

static void DisplayPosition( intf_thread_t *p_intf, vout_thread_t *p_vout,
                             input_thread_t *p_input )
{
    char psz_duration[MSTRTIME_MAX_SIZE];
    char psz_time[MSTRTIME_MAX_SIZE];
    vlc_value_t time, pos;
    mtime_t i_seconds;

    if( p_vout == NULL )
    {
        return;
    }
    ClearChannels( p_intf, p_vout );

    var_Get( p_input, "time", &time );
    i_seconds = time.i_time / 1000000;
    secstotimestr ( psz_time, i_seconds );

    var_Get( p_input, "length", &time );
    if( time.i_time > 0 )
    {
        secstotimestr( psz_duration, time.i_time / 1000000 );
        vout_OSDMessage( p_input, POSITION_TEXT_CHAN, "%s / %s",
                         psz_time, psz_duration );
    }
    else if( i_seconds > 0 )
    {
        vout_OSDMessage( p_input, POSITION_TEXT_CHAN, psz_time );
    }

    if( !p_vout->p_parent_intf || p_vout->b_fullscreen )
    {
        var_Get( p_input, "position", &pos );
        vout_OSDSlider( VLC_OBJECT( p_input ), POSITION_WIDGET_CHAN,
                        pos.f_float * 100, OSD_HOR_SLIDER );
    }
}

static void DisplayVolume( intf_thread_t *p_intf, vout_thread_t *p_vout,
                           audio_volume_t i_vol )
{
    if( p_vout == NULL )
    {
        return;
    }
    ClearChannels( p_intf, p_vout );

    if( !p_vout->p_parent_intf || p_vout->b_fullscreen )
    {
        vout_OSDSlider( VLC_OBJECT( p_vout ), VOLUME_WIDGET_CHAN,
            i_vol*100/AOUT_VOLUME_MAX, OSD_VERT_SLIDER );
    }
    else
    {
        vout_OSDMessage( p_vout, VOLUME_TEXT_CHAN, "Volume %d%%",
                         i_vol*400/AOUT_VOLUME_MAX );
    }
}

static void ClearChannels( intf_thread_t *p_intf, vout_thread_t *p_vout )
{
    int i;

    if( p_vout )
    {
        spu_Control( p_vout->p_spu, SPU_CHANNEL_CLEAR, DEFAULT_CHAN );
        for( i = 0; i < CHANNELS_NUMBER; i++ )
        {
            spu_Control( p_vout->p_spu, SPU_CHANNEL_CLEAR,
                         p_intf->p_sys->p_channels[ i ] );
        }
    }
}