/*****************************************************************************
 * hotkeys.c: Hotkey handling for vlc
 *****************************************************************************
 * Copyright (C) 2005-2009 the VideoLAN team
 * $Id: c662f10af4063cd928c8234a989e077313da5f1c $
 *
 * Authors: Sigmund Augdal Helberg <dnumgis@videolan.org>
 *          Jean-Paul Saman <jpsaman #_at_# m2x.nl>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/

/*****************************************************************************
 * Preamble
 *****************************************************************************/

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_interface.h>
#include <vlc_input.h>
#include <vlc_vout.h>
#include <vlc_aout.h>
#include <vlc_osd.h>
#include <vlc_playlist.h>
#include "vlc_keys.h"
#include "math.h"

#define BUFFER_SIZE 10

#define CHANNELS_NUMBER 4
#define VOLUME_TEXT_CHAN     p_intf->p_sys->p_channels[ 0 ]
#define VOLUME_WIDGET_CHAN   p_intf->p_sys->p_channels[ 1 ]
#define POSITION_TEXT_CHAN   p_intf->p_sys->p_channels[ 2 ]
#define POSITION_WIDGET_CHAN p_intf->p_sys->p_channels[ 3 ]

/*****************************************************************************
 * intf_sys_t: description and status of FB interface
 *****************************************************************************/
struct intf_sys_t
{
    int                 p_actions[ BUFFER_SIZE ]; /* buffer that contains
                                                   * action events */
    int                 i_size;        /* number of events in buffer */
    int                 p_channels[ CHANNELS_NUMBER ]; /* contains registered
                                                        * channel IDs */
    vlc_mutex_t         lock; /* callback lock */
    vlc_cond_t          wait; /* callback event */
    int                 i_mousewheel_mode;
};

/*****************************************************************************
 * Local prototypes
 *****************************************************************************/
static int  Open    ( vlc_object_t * );
static void Close   ( vlc_object_t * );
static void Run     ( intf_thread_t * );
static int  GetAction( intf_thread_t *);
static int  ActionEvent( vlc_object_t *, char const *,
                         vlc_value_t, vlc_value_t, void * );
static int  SpecialKeyEvent( vlc_object_t *, char const *,
                             vlc_value_t, vlc_value_t, void * );
static void PlayBookmark( intf_thread_t *, int );
static void SetBookmark ( intf_thread_t *, int );
static void DisplayPosition( intf_thread_t *, vout_thread_t *, input_thread_t * );
static void DisplayVolume  ( intf_thread_t *, vout_thread_t *, audio_volume_t );
static void ClearChannels  ( intf_thread_t *, vout_thread_t * );

/*****************************************************************************
 * Module descriptor
 *****************************************************************************/

enum{
    MOUSEWHEEL_VOLUME,
    MOUSEWHEEL_POSITION,
    NO_MOUSEWHEEL,
};

static const int i_mode_list[] =
    { MOUSEWHEEL_VOLUME, MOUSEWHEEL_POSITION, NO_MOUSEWHEEL };

static const char *const psz_mode_list_text[] =
    { N_("Volume Control"), N_("Position Control"), N_("Ignore") };

vlc_module_begin ()
    set_shortname( N_("Hotkeys") )
    set_description( N_("Hotkeys management interface") )
    set_capability( "interface", 0 )
    set_callbacks( Open, Close )
    set_category( CAT_INTERFACE )
    set_subcategory( SUBCAT_INTERFACE_HOTKEYS )

    add_integer( "hotkeys-mousewheel-mode", MOUSEWHEEL_VOLUME, NULL,
                 N_("MouseWheel x-axis Control"),
                 N_("MouseWheel x-axis can control volume, position or "
                    "mousewheel event can be ignored"), false )
            change_integer_list( i_mode_list, psz_mode_list_text, NULL )

vlc_module_end ()

/*****************************************************************************
 * Open: initialize interface
 *****************************************************************************/
static int Open( vlc_object_t *p_this )
{
    intf_thread_t *p_intf = (intf_thread_t *)p_this;
    intf_sys_t *p_sys;
    p_sys = malloc( sizeof( intf_sys_t ) );
    if( !p_sys )
        return VLC_ENOMEM;

    p_intf->p_sys = p_sys;
    p_intf->pf_run = Run;

    p_sys->i_size = 0;
    vlc_mutex_init( &p_sys->lock );
    vlc_cond_init( &p_sys->wait );
    p_intf->p_sys->i_mousewheel_mode =
        config_GetInt( p_intf, "hotkeys-mousewheel-mode" );

    var_AddCallback( p_intf->p_libvlc, "key-pressed", SpecialKeyEvent, p_intf );
    var_AddCallback( p_intf->p_libvlc, "key-action", ActionEvent, p_intf );
    return VLC_SUCCESS;
}

/*****************************************************************************
 * Close: destroy interface
 *****************************************************************************/
static void Close( vlc_object_t *p_this )
{
    intf_thread_t *p_intf = (intf_thread_t *)p_this;
    intf_sys_t *p_sys = p_intf->p_sys;

    var_DelCallback( p_intf->p_libvlc, "key-action", ActionEvent, p_intf );
    var_DelCallback( p_intf->p_libvlc, "key-pressed", SpecialKeyEvent, p_intf );

    vlc_cond_destroy( &p_sys->wait );
    vlc_mutex_destroy( &p_sys->lock );

    /* Destroy structure */
    free( p_intf->p_sys );
}

/*****************************************************************************
 * Run: main loop
 *****************************************************************************/
static void Run( intf_thread_t *p_intf )
{
    vout_thread_t *p_vout = NULL;
    aout_instance_t *p_aout = NULL;
    playlist_t *p_playlist = pl_Hold( p_intf );
    int canc = vlc_savecancel();

    vlc_cleanup_push( __pl_Release, p_intf );

    for( ;; )
    {
        input_thread_t *p_input;
        vout_thread_t *p_last_vout;
        int i_action;

        vlc_restorecancel( canc );
        i_action = GetAction( p_intf );

        canc = vlc_savecancel();

        /* Update the input */
        p_input = playlist_CurrentInput( p_playlist );

        /* Update the vout */
        p_last_vout = p_vout;
        p_vout = p_input ? input_GetVout( p_input ) : NULL;

        /* Update the aout */
        p_aout = p_input ? input_GetAout( p_input ) : NULL;

        /* Register OSD channels */
        if( p_vout && p_vout != p_last_vout )
        {
            int i;
            for( i = 0; i < CHANNELS_NUMBER; i++ )
            {
                spu_Control( p_vout->p_spu, SPU_CHANNEL_REGISTER,
                             &p_intf->p_sys->p_channels[ i ] );
            }
        }

        /* Quit */
        if( i_action == ACTIONID_QUIT )
        {
            libvlc_Quit( p_intf->p_libvlc );

            ClearChannels( p_intf, p_vout );
            vout_OSDMessage( p_intf, DEFAULT_CHAN, _( "Quit" ) );
            goto cleanup_and_continue;
        }
        /* Volume and audio actions */
        else if( i_action == ACTIONID_VOL_UP )
        {
            audio_volume_t i_newvol;
            aout_VolumeUp( p_intf, 1, &i_newvol );
            DisplayVolume( p_intf, p_vout, i_newvol );
        }
        else if( i_action == ACTIONID_VOL_DOWN )
        {
            audio_volume_t i_newvol;
            aout_VolumeDown( p_intf, 1, &i_newvol );
            DisplayVolume( p_intf, p_vout, i_newvol );
        }
        else if( i_action == ACTIONID_VOL_MUTE )
        {
            audio_volume_t i_newvol = -1;
            aout_VolumeMute( p_intf, &i_newvol );
            if( p_vout )
            {
                if( i_newvol == 0 )
                {
                    ClearChannels( p_intf, p_vout );
                    vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
                                  OSD_MUTE_ICON );
                }
                else
                {
                    DisplayVolume( p_intf, p_vout, i_newvol );
                }
            }
        }
        /* Interface showing */
        else if( i_action == ACTIONID_INTF_SHOW )
            var_SetBool( p_intf->p_libvlc, "intf-show", true );
        else if( i_action == ACTIONID_INTF_HIDE )
            var_SetBool( p_intf->p_libvlc, "intf-show", false );
        /* Video Output actions */
        else if( i_action == ACTIONID_SNAPSHOT )
        {
            if( p_vout ) var_TriggerCallback( p_vout, "video-snapshot" );
        }
        else if( i_action == ACTIONID_TOGGLE_FULLSCREEN )
        {
            vlc_object_t *obj = p_vout ? VLC_OBJECT(p_vout)
                                       : VLC_OBJECT(p_playlist);
            bool b = var_GetBool( obj, "fullscreen" );
            var_SetBool( obj, "fullscreen", !b );
        }
        else if( i_action == ACTIONID_LEAVE_FULLSCREEN )
        {
            if( p_vout && var_GetBool( p_vout, "fullscreen" ) )
            {
                var_SetBool( p_vout, "fullscreen", false );
            }
        }
        else if( i_action == ACTIONID_ZOOM_QUARTER ||
                 i_action == ACTIONID_ZOOM_HALF ||
                 i_action == ACTIONID_ZOOM_ORIGINAL ||
                 i_action == ACTIONID_ZOOM_DOUBLE )
        {
            if( p_vout )
            {
                float f;
                switch( i_action )
                {
                    case ACTIONID_ZOOM_QUARTER:  f = 0.25; break;
                    case ACTIONID_ZOOM_HALF:     f = 0.5;  break;
                    case ACTIONID_ZOOM_ORIGINAL: f = 1.;   break;
                     /*case ACTIONID_ZOOM_DOUBLE:*/
                    default:                     f = 2.;   break;
                }
                var_SetFloat( p_vout, "zoom", f );
            }
        }
#ifdef WIN32
        else if( i_action == ACTIONID_WALLPAPER )
        {   /* FIXME: this is invalid if not using DirectX output!!! */
            vlc_object_t *obj = p_vout ? VLC_OBJECT(p_vout)
                                       : VLC_OBJECT(p_playlist);
            bool b = var_GetBool( obj, "directx-wallpaper" );
            var_SetBool( obj, "directx-wallpaper", !b );
        }
#endif
        /* Playlist actions */
        else if( i_action == ACTIONID_LOOP )
        {
            /* Toggle Normal -> Loop -> Repeat -> Normal ... */
            if( var_GetBool( p_playlist, "repeat" ) )
                var_SetBool( p_playlist, "repeat", false );
            else
            if( var_GetBool( p_playlist, "loop" ) )
            { /* FIXME: this is not atomic, we should use a real tristate */
                var_SetBool( p_playlist, "loop", false );
                var_SetBool( p_playlist, "repeat", true );
            }
            else
                var_SetBool( p_playlist, "loop", true );
        }
        else if( i_action == ACTIONID_RANDOM )
        {
            bool b = var_GetBool( p_playlist, "random" );
            var_SetBool( p_playlist, "random", !b );
        }
        else if( i_action == ACTIONID_PLAY_PAUSE )
        {
            if( p_input )
            {
                ClearChannels( p_intf, p_vout );

                int state = var_GetInteger( p_input, "state" );
                if( state != PAUSE_S )
                {
                    vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
                                  OSD_PAUSE_ICON );
                    state = PAUSE_S;
                }
                else
                {
                    vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
                                  OSD_PLAY_ICON );
                    state = PLAYING_S;
                }
                var_SetInteger( p_input, "state", state );
            }
            else
            {
                playlist_Play( p_playlist );
            }
        }
        else if( ( i_action == ACTIONID_AUDIODEVICE_CYCLE ) && p_aout )
        {
            vlc_value_t val, list, list2;
            int i_count, i;

            var_Get( p_aout, "audio-device", &val );
            var_Change( p_aout, "audio-device", VLC_VAR_GETCHOICES,
                    &list, &list2 );
            i_count = list.p_list->i_count;

            if( i_count > 1 )
            {
                for( i = 0; i < i_count; i++ )
                {
                    if( val.i_int == list.p_list->p_values[i].i_int )
                    {
                        break;
                    }
                }
                if( i == i_count )
                {
                    msg_Warn( p_aout,
                            "invalid current audio device, selecting 0" );
                    var_Set( p_aout, "audio-device",
                            list.p_list->p_values[0] );
                    i = 0;
                }
                else if( i == i_count -1 )
                {
                    var_Set( p_aout, "audio-device",
                            list.p_list->p_values[0] );
                    i = 0;
                }
                else
                {
                    var_Set( p_aout, "audio-device",
                            list.p_list->p_values[i+1] );
                    i++;
                }
                vout_OSDMessage( p_intf, DEFAULT_CHAN,
                        _("Audio Device: %s"),
                        list2.p_list->p_values[i].psz_string);
            }
            var_Change( p_aout, "audio-device", VLC_VAR_FREELIST, &list,
                        &list2 );
        }
        /* Input options */
        else if( p_input )
        {
            bool b_seekable = var_GetBool( p_input, "can-seek" );
            int i_interval =0;

            if( i_action == ACTIONID_PAUSE )
            {
                if( var_GetInteger( p_input, "state" ) != PAUSE_S )
                {
                    ClearChannels( p_intf, p_vout );
                    vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
                                  OSD_PAUSE_ICON );
                    var_SetInteger( p_input, "state", PAUSE_S );
                }
            }
            else if( i_action == ACTIONID_JUMP_BACKWARD_EXTRASHORT
                     && b_seekable )
            {
#define SET_TIME( a, b ) \
    i_interval = config_GetInt( p_input, a "-jump-size" ); \
    if( i_interval > 0 ) { \
        mtime_t i_time = (mtime_t)(i_interval * b) * 1000000L; \
        var_SetTime( p_input, "time-offset", i_time ); \
        DisplayPosition( p_intf, p_vout, p_input ); \
    }
                SET_TIME( "extrashort", -1 );
            }
            else if( i_action == ACTIONID_JUMP_FORWARD_EXTRASHORT && b_seekable )
            {
                SET_TIME( "extrashort", 1 );
            }
            else if( i_action == ACTIONID_JUMP_BACKWARD_SHORT && b_seekable )
            {
                SET_TIME( "short", -1 );
            }
            else if( i_action == ACTIONID_JUMP_FORWARD_SHORT && b_seekable )
            {
                SET_TIME( "short", 1 );
            }
            else if( i_action == ACTIONID_JUMP_BACKWARD_MEDIUM && b_seekable )
            {
                SET_TIME( "medium", -1 );
            }
            else if( i_action == ACTIONID_JUMP_FORWARD_MEDIUM && b_seekable )
            {
                SET_TIME( "medium", 1 );
            }
            else if( i_action == ACTIONID_JUMP_BACKWARD_LONG && b_seekable )
            {
                SET_TIME( "long", -1 );
            }
            else if( i_action == ACTIONID_JUMP_FORWARD_LONG && b_seekable )
            {
                SET_TIME( "long", 1 );
#undef SET_TIME
            }
            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 )
                {
                    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" );
                        i = 0;
                    }
                    else if( i == i_count - 1 )
                        i = 1;
                    else
                        i++;
                    var_Set( p_input, "audio-es", list.p_list->p_values[i] );
                    vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
                                     _("Audio track: %s"),
                                     list2.p_list->p_values[i].psz_string );
                }
                var_Change( p_input, "audio-es", VLC_VAR_FREELIST, &list,
                            &list2 );
            }
            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") );
                    var_Change( p_input, "spu-es", VLC_VAR_FREELIST, &list,
                                &list2 );
                    goto cleanup_and_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" );
                    i = 0;
                }
                else if( i == i_count - 1 )
                    i = 0;
                else
                    i++;
                var_Set( p_input, "spu-es", list.p_list->p_values[i] );
                vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
                                 _("Subtitle track: %s"),
                                 list2.p_list->p_values[i].psz_string );
                var_Change( p_input, "spu-es", VLC_VAR_FREELIST, &list,
                            &list2 );
            }
            else if( i_action == ACTIONID_ASPECT_RATIO && p_vout )
            {
                vlc_value_t val={0}, val_list, text_list;
                var_Get( p_vout, "aspect-ratio", &val );
                if( var_Change( p_vout, "aspect-ratio", VLC_VAR_GETLIST,
                                &val_list, &text_list ) >= 0 )
                {
                    int i;
                    for( i = 0; i < val_list.p_list->i_count; i++ )
                    {
                        if( !strcmp( val_list.p_list->p_values[i].psz_string,
                                     val.psz_string ) )
                        {
                            i++;
                            break;
                        }
                    }
                    if( i == val_list.p_list->i_count ) i = 0;
                    var_SetString( p_vout, "aspect-ratio",
                                   val_list.p_list->p_values[i].psz_string );
                    vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
                                     _("Aspect ratio: %s"),
                                     text_list.p_list->p_values[i].psz_string );

                    var_Change( p_vout, "aspect-ratio", VLC_VAR_FREELIST, &val_list, &text_list );
                }
                free( val.psz_string );
            }
            else if( i_action == ACTIONID_CROP && p_vout )
            {
                vlc_value_t val={0}, val_list, text_list;
                var_Get( p_vout, "crop", &val );
                if( var_Change( p_vout, "crop", VLC_VAR_GETLIST,
                                &val_list, &text_list ) >= 0 )
                {
                    int i;
                    for( i = 0; i < val_list.p_list->i_count; i++ )
                    {
                        if( !strcmp( val_list.p_list->p_values[i].psz_string,
                                     val.psz_string ) )
                        {
                            i++;
                            break;
                        }
                    }
                    if( i == val_list.p_list->i_count ) i = 0;
                    var_SetString( p_vout, "crop",
                                   val_list.p_list->p_values[i].psz_string );
                    vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
                                     _("Crop: %s"),
                                     text_list.p_list->p_values[i].psz_string );

                    var_Change( p_vout, "crop", VLC_VAR_FREELIST, &val_list, &text_list );
                }
                free( val.psz_string );
            }
            else if( i_action == ACTIONID_TOGGLE_AUTOSCALE && p_vout )
            {
                float f_scalefactor = var_GetFloat( p_vout, "scale" );
                if ( f_scalefactor != 1.0 )
                {
                    var_SetFloat( p_vout, "scale", 1.0 );
                    vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
                                         _("Zooming reset") );
                }
                else
                {
                    bool b_autoscale = !var_GetBool( p_vout, "autoscale" );
                    var_SetBool( p_vout, "autoscale", b_autoscale );
                    if( b_autoscale )
                        vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
                                         _("Scaled to screen") );
                    else
                        vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
                                         _("Original Size") );
                }
            }
            else if( i_action == ACTIONID_SCALE_UP && p_vout )
            {
               float f_scalefactor;

               f_scalefactor = var_GetFloat( p_vout, "scale" );
               if( f_scalefactor < 10. )
                   f_scalefactor += .1;
               var_SetFloat( p_vout, "scale", f_scalefactor );
            }
            else if( i_action == ACTIONID_SCALE_DOWN && p_vout )
            {
               float f_scalefactor;

               f_scalefactor = var_GetFloat( p_vout, "scale" );
               if( f_scalefactor > .3 )
                   f_scalefactor -= .1;
               var_SetFloat( p_vout, "scale", f_scalefactor );
            }
            else if( i_action == ACTIONID_DEINTERLACE && p_vout )
            {
                vlc_value_t val={0}, val_list, text_list;
                var_Get( p_vout, "deinterlace", &val );
                if( var_Change( p_vout, "deinterlace", VLC_VAR_GETLIST,
                                &val_list, &text_list ) >= 0 )
                {
                    int i;
                    for( i = 0; i < val_list.p_list->i_count; i++ )
                    {
                        if( !strcmp( val_list.p_list->p_values[i].psz_string,
                                     val.psz_string ) )
                        {
                            i++;
                            break;
                        }
                    }
                    if( i == val_list.p_list->i_count ) i = 0;
                    var_SetString( p_vout, "deinterlace",
                                   val_list.p_list->p_values[i].psz_string );
                    vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
                                     _("Deinterlace mode: %s"),
                                     text_list.p_list->p_values[i].psz_string );

                    var_Change( p_vout, "deinterlace", VLC_VAR_FREELIST, &val_list, &text_list );
                }
                free( val.psz_string );
            }
            else if( ( i_action == ACTIONID_ZOOM || i_action == ACTIONID_UNZOOM ) && p_vout )
            {
                vlc_value_t val={0}, val_list, text_list;
                var_Get( p_vout, "zoom", &val );
                if( var_Change( p_vout, "zoom", VLC_VAR_GETLIST,
                                &val_list, &text_list ) >= 0 )
                {
                    int i;
                    for( i = 0; i < val_list.p_list->i_count; i++ )
                    {
                        if( val_list.p_list->p_values[i].f_float
                           == val.f_float )
                        {
                            if( i_action == ACTIONID_ZOOM )
                                i++;
                            else /* ACTIONID_UNZOOM */
                                i--;
                            break;
                        }
                    }
                    if( i == val_list.p_list->i_count ) i = 0;
                    if( i == -1 ) i = val_list.p_list->i_count-1;
                    var_SetFloat( p_vout, "zoom",
                                  val_list.p_list->p_values[i].f_float );
                    vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
                                     _("Zoom mode: %s"),
                                text_list.p_list->p_values[i].var.psz_name );

                    var_Change( p_vout, "zoom", VLC_VAR_FREELIST, &val_list, &text_list );
                }
            }
            else if( i_action == ACTIONID_CROP_TOP && p_vout )
                var_IncInteger( p_vout, "crop-top" );
            else if( i_action == ACTIONID_UNCROP_TOP && p_vout )
                var_DecInteger( p_vout, "crop-top" );
            else if( i_action == ACTIONID_CROP_BOTTOM && p_vout )
                var_IncInteger( p_vout, "crop-bottom" );
            else if( i_action == ACTIONID_UNCROP_BOTTOM && p_vout )
                 var_DecInteger( p_vout, "crop-bottom" );
            else if( i_action == ACTIONID_CROP_LEFT && p_vout )
                 var_IncInteger( p_vout, "crop-left" );
            else if( i_action == ACTIONID_UNCROP_LEFT && p_vout )
                 var_DecInteger( p_vout, "crop-left" );
            else if( i_action == ACTIONID_CROP_RIGHT && p_vout )
                 var_IncInteger( p_vout, "crop-right" );
            else if( i_action == ACTIONID_UNCROP_RIGHT && p_vout )
                 var_DecInteger( p_vout, "crop-right" );

            else if( i_action == ACTIONID_NEXT )
            {
                vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN, _("Next") );
                playlist_Next( p_playlist );
            }
            else if( i_action == ACTIONID_PREV )
            {
                vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
                                 _("Previous") );
                playlist_Prev( p_playlist );
            }
            else if( i_action == ACTIONID_STOP )
            {
                playlist_Stop( p_playlist );
            }
            else if( i_action == ACTIONID_FRAME_NEXT )
            {
                var_SetVoid( p_input, "frame-next" );
                vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
                                 _("Next frame") );
            }
            else if( i_action == ACTIONID_FASTER )
            {
                var_SetVoid( p_input, "rate-faster" );
                vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
                                 _("Faster") );
            }
            else if( i_action == ACTIONID_SLOWER )
            {
                var_SetVoid( p_input, "rate-slower" );
                vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
                                 _("Slower") );
            }
            else if( i_action == ACTIONID_RATE_NORMAL )
            {
                var_SetInteger( p_input, "rate", INPUT_RATE_DEFAULT );
                vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
                                 _("1.00x") );
            }
            else if( i_action == ACTIONID_RATE_FASTER_FINE ||
                     i_action == ACTIONID_RATE_SLOWER_FINE )
            {
                /* The playback rate is defined by INPUT_RATE_DEFAULT / "rate"
                 * and we want to increase/decrease it by 0.1 while making sure
                 * that the resulting playback rate is a multiple of 0.1
                 */
                int i_rate = var_GetInteger( p_input, "rate" );
                if( i_rate == 0 )
                    i_rate = INPUT_RATE_MIN;
                int i_sign = i_rate < 0 ? -1 : 1;
                const int i_dir = i_action == ACTIONID_RATE_FASTER_FINE ? 1 : -1;

                const double f_speed = floor( ( (double)INPUT_RATE_DEFAULT / abs(i_rate) + 0.05 ) / 0.1 + i_dir ) * 0.1;
                if( f_speed <= (double)INPUT_RATE_DEFAULT / INPUT_RATE_MAX ) /* Needed to avoid infinity */
                    i_rate = INPUT_RATE_MAX;
                else
                    i_rate = INPUT_RATE_DEFAULT / f_speed + 0.5;

                i_rate = i_sign * __MIN( __MAX( i_rate, INPUT_RATE_MIN ), INPUT_RATE_MAX );

                var_SetInteger( p_input, "rate", i_rate );

                char psz_msg[7+1];
                snprintf( psz_msg, sizeof(psz_msg), _("%.2fx"), (double)INPUT_RATE_DEFAULT / i_rate );
                vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN, psz_msg );
            }
            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 )
                var_SetVoid( p_input, "prev-title" );
            else if( i_action == ACTIONID_TITLE_NEXT )
                var_SetVoid( p_input, "next-title" );
            else if( i_action == ACTIONID_CHAPTER_PREV )
                var_SetVoid( p_input, "prev-chapter" );
            else if( i_action == ACTIONID_CHAPTER_NEXT )
                var_SetVoid( p_input, "next-chapter" );
            else if( i_action == ACTIONID_DISC_MENU )
                var_SetInteger( p_input, "title  0", 2 );

            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 )
            {
                if( var_GetInteger( p_input, "rate" ) != INPUT_RATE_DEFAULT )
                    /* Return to normal speed */
                    var_SetInteger( p_input, "rate", INPUT_RATE_DEFAULT );
                else
                {
                    ClearChannels( p_intf, p_vout );
                    vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
                                  OSD_PLAY_ICON );
                    playlist_Play( p_playlist );
                }
            }
            else if( i_action == ACTIONID_MENU_ON )
            {
                osd_MenuShow( VLC_OBJECT(p_intf) );
            }
            else if( i_action == ACTIONID_MENU_OFF )
            {
                osd_MenuHide( VLC_OBJECT(p_intf) );
            }
            else if( i_action == ACTIONID_MENU_LEFT )
            {
                osd_MenuPrev( VLC_OBJECT(p_intf) );
            }
            else if( i_action == ACTIONID_MENU_RIGHT )
            {
                osd_MenuNext( VLC_OBJECT(p_intf) );
            }
            else if( i_action == ACTIONID_MENU_UP )
            {
                osd_MenuUp( VLC_OBJECT(p_intf) );
            }
            else if( i_action == ACTIONID_MENU_DOWN )
            {
                osd_MenuDown( VLC_OBJECT(p_intf) );
            }
            else if( i_action == ACTIONID_MENU_SELECT )
            {
                osd_MenuActivate( VLC_OBJECT(p_intf) );
            }
            else if( i_action == ACTIONID_RECORD )
            {
                if( var_GetBool( p_input, "can-record" ) )
                {
                    const bool b_record = !var_GetBool( p_input, "record" );

                    if( b_record )
                        vout_OSDMessage( p_intf, DEFAULT_CHAN, _("Recording") );
                    else
                        vout_OSDMessage( p_intf, DEFAULT_CHAN, _("Recording done") );
                    var_SetBool( p_input, "record", b_record );
                }
            }
        }
cleanup_and_continue:
        if( p_aout )
            vlc_object_release( p_aout );
        if( p_vout )
            vlc_object_release( p_vout );
        if( p_input )
            vlc_object_release( p_input );
    }

    /* dead code */
    abort();
    vlc_cleanup_pop();
}

static int GetAction( intf_thread_t *p_intf )
{
    intf_sys_t *p_sys = p_intf->p_sys;
    int i_ret;

    vlc_mutex_lock( &p_sys->lock );
    mutex_cleanup_push( &p_sys->lock );

    while( p_sys->i_size == 0 )
        vlc_cond_wait( &p_sys->wait, &p_sys->lock );

    i_ret = p_sys->p_actions[ 0 ];
    p_sys->i_size--;
    for( int i = 0; i < p_sys->i_size; i++ )
        p_sys->p_actions[i] = p_sys->p_actions[i + 1];

    vlc_cleanup_run();
    return i_ret;
}

static int PutAction( intf_thread_t *p_intf, int i_action )
{
    intf_sys_t *p_sys = p_intf->p_sys;
    int i_ret = VLC_EGENERIC;

    vlc_mutex_lock( &p_sys->lock );
    if ( p_sys->i_size >= BUFFER_SIZE )
        msg_Warn( p_intf, "event buffer full, dropping key actions" );
    else
        p_sys->p_actions[p_sys->i_size++] = i_action;

    vlc_cond_signal( &p_sys->wait );
    vlc_mutex_unlock( &p_sys->lock );
    return i_ret;
}

/*****************************************************************************
 * SpecialKeyEvent: callback for mouse events
 *****************************************************************************/
static int SpecialKeyEvent( vlc_object_t *libvlc, 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;
    int i_action = 0;

    (void)psz_var;
    (void)oldval;

    int i_mode = p_intf->p_sys->i_mousewheel_mode;

    /* Special action for mouse event */
    /* FIXME: rework hotkeys handling to allow more than 1 event
     * to trigger one same action */
    switch (newval.i_int & KEY_SPECIAL)
    {
        case KEY_MOUSEWHEELUP:
            i_action = (i_mode == MOUSEWHEEL_VOLUME ) ? ACTIONID_VOL_UP
                                 : ACTIONID_JUMP_FORWARD_EXTRASHORT;
            break;
        case KEY_MOUSEWHEELDOWN:
            i_action = (i_mode == MOUSEWHEEL_VOLUME ) ? ACTIONID_VOL_DOWN
                                : ACTIONID_JUMP_BACKWARD_EXTRASHORT;
            break;
        case KEY_MOUSEWHEELLEFT:
            i_action = (i_mode == MOUSEWHEEL_VOLUME ) ?
                        ACTIONID_JUMP_BACKWARD_EXTRASHORT : ACTIONID_VOL_DOWN;
            break;
        case KEY_MOUSEWHEELRIGHT:
            i_action = (i_mode == MOUSEWHEEL_VOLUME ) ?
                        ACTIONID_JUMP_FORWARD_EXTRASHORT : ACTIONID_VOL_UP;
            break;
        case KEY_MENU:
            var_SetBool( libvlc, "intf-popupmenu", true );
            break;
        default:
          return VLC_SUCCESS;
    }

    if( i_mode == NO_MOUSEWHEEL ) return VLC_SUCCESS;

    if( i_action )
        return PutAction( p_intf, i_action );
    return VLC_SUCCESS;
}

/*****************************************************************************
 * ActionEvent: callback for hotkey actions
 *****************************************************************************/
static int ActionEvent( vlc_object_t *libvlc, 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;

    (void)libvlc;
    (void)psz_var;
    (void)oldval;

    return PutAction( p_intf, newval.i_int );
}

static void PlayBookmark( intf_thread_t *p_intf, int i_num )
{
    char *psz_bookmark_name;
    if( asprintf( &psz_bookmark_name, "bookmark%i", i_num ) == -1 )
        return;

    playlist_t *p_playlist = pl_Hold( p_intf );
    char *psz_bookmark = var_CreateGetString( p_intf, psz_bookmark_name );

    PL_LOCK;
    FOREACH_ARRAY( playlist_item_t *p_item, p_playlist->items )
        char *psz_uri = input_item_GetURI( p_item->p_input );
        if( !strcmp( psz_bookmark, psz_uri ) )
        {
            free( psz_uri );
            playlist_Control( p_playlist, PLAYLIST_VIEWPLAY, pl_Locked,
                              NULL, p_item );
            break;
        }
        else
            free( psz_uri );
    FOREACH_END();
    PL_UNLOCK;

    free( psz_bookmark );
    free( psz_bookmark_name );
    pl_Release( p_intf );
}

static void SetBookmark( intf_thread_t *p_intf, int i_num )
{
    char *psz_bookmark_name;
    if( asprintf( &psz_bookmark_name, "bookmark%i", i_num ) == -1 )
        return;

    playlist_t *p_playlist = pl_Hold( p_intf );
    var_Create( p_intf, psz_bookmark_name,
                VLC_VAR_STRING|VLC_VAR_DOINHERIT );
    playlist_item_t * p_item = playlist_CurrentPlayingItem( p_playlist );
    if( p_item )
    {
        char *psz_uri = input_item_GetURI( p_item->p_input );
        config_PutPsz( p_intf, psz_bookmark_name, psz_uri);
        msg_Info( p_intf, "setting playlist bookmark %i to %s", i_num, psz_uri);
        free( psz_uri );
        config_SaveConfigFile( p_intf, "hotkeys" );
    }

    pl_Release( p_intf );
    free( psz_bookmark_name );
}

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, "%s", psz_time );
    }

    if( var_GetBool( p_vout, "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( var_GetBool( p_vout, "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 ] );
        }
    }
}
