hotkeys.c

video linux conference

            }
            else
            {
                p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
                                              FIND_ANYWHERE );
                if( p_playlist )
                {
                    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 );
                }
            }
        }
        else if( p_input )
        {
            /* FIXME --fenrir
             * How to get a valid value ?
             * That's not that easy with some special stream
             */
            vlc_bool_t b_seekable = VLC_TRUE;

            if( i_action == ACTIONID_PAUSE )
            {
                ClearChannels( p_intf, p_vout );
                vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
                              OSD_PAUSE_ICON );
                val.i_int = PAUSE_S;
                var_Set( p_input, "state", val );
            }
            else if( i_action == ACTIONID_JUMP_BACKWARD_10SEC && b_seekable )
            {
                val.i_time = -10000000;
                var_Set( p_input, "time-offset", val );
                DisplayPosition( p_intf, p_vout, p_input );
            }
            else if( i_action == ACTIONID_JUMP_FORWARD_10SEC && b_seekable )
            {
                val.i_time = 10000000;
                var_Set( p_input, "time-offset", val );
                DisplayPosition( p_intf, p_vout, p_input );
            }
            else if( i_action == ACTIONID_JUMP_BACKWARD_1MIN && b_seekable )
            {
                val.i_time = -60000000;
                var_Set( p_input, "time-offset", val );
                DisplayPosition( p_intf, p_vout, p_input );
            }
            else if( i_action == ACTIONID_JUMP_FORWARD_1MIN && b_seekable )
            {
                val.i_time = 60000000;
                var_Set( p_input, "time-offset", val );
                DisplayPosition( p_intf, p_vout, p_input );
            }
            else if( i_action == ACTIONID_JUMP_BACKWARD_5MIN && b_seekable )
            {
                val.i_time = -300000000;
                var_Set( p_input, "time-offset", val );
                DisplayPosition( p_intf, p_vout, p_input );
            }
            else if( i_action == ACTIONID_JUMP_FORWARD_5MIN && b_seekable )
            {
                val.i_time = 300000000;
                var_Set( p_input, "time-offset", val );
                DisplayPosition( p_intf, p_vout, p_input );
            }
            else if( i_action == ACTIONID_AUDIO_TRACK )
            {
                vlc_value_t val, list, list2;
                int i_count, i;
                var_Get( p_input, "audio-es", &val );
                var_Change( p_input, "audio-es", VLC_VAR_GETCHOICES,
                            &list, &list2 );
                i_count = list.p_list->i_count;
                if( i_count <= 1 )
                {
                    continue;
                }
                for( i = 0; i < i_count; i++ )
                {
                    if( val.i_int == list.p_list->p_values[i].i_int )
                    {
                        break;
                    }
                }
                /* value of audio-es was not in choices list */
                if( i == i_count )
                {
                    msg_Warn( p_input,
                              "invalid current audio track, selecting 0" );
                    var_Set( p_input, "audio-es",
                             list.p_list->p_values[0] );
                    i = 0;
                }
                else if( i == i_count - 1 )
                {
                    var_Set( p_input, "audio-es",
                             list.p_list->p_values[1] );
                    i = 1;
                }
                else
                {
                    var_Set( p_input, "audio-es",
                             list.p_list->p_values[i+1] );
                    i++;
                }
                vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
                                 _("Audio track: %s"),
                                 list2.p_list->p_values[i].psz_string );
            }
            else if( i_action == ACTIONID_SUBTITLE_TRACK )
            {
                vlc_value_t val, list, list2;
                int i_count, i;
                var_Get( p_input, "spu-es", &val );
                
                var_Change( p_input, "spu-es", VLC_VAR_GETCHOICES,
                            &list, &list2 );
                i_count = list.p_list->i_count;
                if( i_count <= 1 )
                {
                    vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN, _("Subtitle track: %s"), _("N/A") );
                    continue;
                }
                for( i = 0; i < i_count; i++ )
                {
                    if( val.i_int == list.p_list->p_values[i].i_int )
                    {
                        break;
                    }
                }
                /* value of spu-es was not in choices list */
                if( i == i_count )
                {
                    msg_Warn( p_input, "invalid current subtitle track, selecting 0" );
                    var_Set( p_input, "spu-es", list.p_list->p_values[0] );
                    i = 0;
                }
                else if( i == i_count - 1 )
                {
                    var_Set( p_input, "spu-es", list.p_list->p_values[0] );
                    i = 0;
                }
                else
                {
                    var_Set( p_input, "spu-es", list.p_list->p_values[i+1] );
                    i = i + 1;
                }
                vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
                                 _("Subtitle track: %s"),
                                 list2.p_list->p_values[i].psz_string );
            }
            else if( i_action == ACTIONID_NEXT )
            {
                p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
                                              FIND_ANYWHERE );
                if( p_playlist )
                {
                    vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN, _("Next") );
                    playlist_Next( p_playlist );
                    vlc_object_release( p_playlist );
                }
            }
            else if( i_action == ACTIONID_PREV )
            {
                p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
                                              FIND_ANYWHERE );
                if( p_playlist )
                {
                    vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN, _("Previous") );
                    playlist_Prev( p_playlist );
                    vlc_object_release( p_playlist );
                }
            }
            else if( i_action == ACTIONID_STOP )
            {
                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 );
            }
        }
    }
}

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;
    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;
        }
    }

    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 )
{
    vlc_value_t val;
    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 )
        {
            val.psz_string = strdup( p_playlist->status.p_item->input.psz_uri );
            var_Set( p_intf, psz_bookmark_name, val );
            msg_Info( p_intf, "setting playlist bookmark %i to %s", i_num,
                      val.psz_string );
        }
        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, "Vol %d%%",
                         2*i_vol*100/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 ] );
        }
    }
}