]> git.sesse.net Git - vlc/blobdiff - plugins/sdl/vout_sdl.c
* ./extras/MacOSX_dvdioctl: removed outdated files.
[vlc] / plugins / sdl / vout_sdl.c
index c8d722ccc5c8a2db4ee87d54b9fec379a0e09dea..8a1e4e34741f6d19bdbb813e21a5d746d5b7f9d7 100644 (file)
@@ -1,9 +1,12 @@
 /*****************************************************************************
  * vout_sdl.c: SDL video output display method
  *****************************************************************************
- * Copyright (C) 1998, 1999, 2000 VideoLAN
+ * Copyright (C) 1998-2001 VideoLAN
+ * $Id: vout_sdl.c,v 1.85 2002/03/18 19:14:52 sam Exp $
  *
- * Authors:
+ * Authors: Samuel Hocevar <sam@zoy.org>
+ *          Pierre Baillet <oct@zoy.org>
+ *          Arnaud de Bossoreille de Ribou <bozo@via.ecp.fr>
  *
  * 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
 /*****************************************************************************
  * Preamble
  *****************************************************************************/
-#include "defs.h"
-
 #include <errno.h>                                                 /* ENOMEM */
 #include <stdlib.h>                                                /* free() */
 #include <string.h>                                            /* strerror() */
 
-#include <SDL/SDL.h>
+#include <videolan/vlc.h>
+
+#include <sys/types.h>
+#ifndef WIN32
+#   include <netinet/in.h>                            /* BSD: struct in_addr */
+#endif
 
-#include "config.h"
-#include "common.h"
-#include "threads.h"
-#include "mtime.h"
-#include "plugins.h"
+#include SDL_INCLUDE_FILE
+
+#include "netutils.h"
 
 #include "video.h"
 #include "video_output.h"
 
-#include "intf_msg.h"
+#include "interface.h"
+
+#include "stream_control.h"                 /* needed by input_ext-intf.h... */
+#include "input_ext-intf.h"
+
+#define SDL_MAX_DIRECTBUFFERS 10
+#define SDL_DEFAULT_BPP 16
 
 /*****************************************************************************
  * vout_sys_t: video output SDL method descriptor
  *****************************************************************************/
 typedef struct vout_sys_s
 {
+    SDL_Surface *   p_display;                             /* display device */
+
     int i_width;
     int i_height;
-    SDL_Surface *   p_display;                             /* display device */
-    SDL_Overlay *   p_overlay;                             /* overlay device */
-    boolean_t   b_fullscreen;
-    boolean_t   b_reopen_display;
-    Uint8   *   p_buffer[2];
-                                                     /* Buffers informations */
-    boolean_t   b_must_acquire;           /* must be acquired before writing */
-}   vout_sys_t;
+
+    /* For YUV output */
+    SDL_Overlay * p_overlay;   /* An overlay we keep to grab the XVideo port */
+
+    /* For RGB output */
+    int i_surfaces;
+
+    boolean_t   b_cursor;
+    boolean_t   b_cursor_autohidden;
+    mtime_t     i_lastmoved;
+
+} vout_sys_t;
 
 /*****************************************************************************
- * Local prototypes
+ * picture_sys_t: direct buffer method descriptor
+ *****************************************************************************
+ * This structure is part of the picture descriptor, it describes the
+ * SDL specific properties of a direct buffer.
  *****************************************************************************/
-static int     SDLOpenDisplay   ( vout_thread_t *p_vout );
-static void    SDLCloseDisplay  ( vout_thread_t *p_vout );
+typedef struct picture_sys_s
+{
+    SDL_Overlay *p_overlay;
+
+} picture_sys_t;
+
+/*****************************************************************************
+ * Seeking function TODO: put this in a generic location !
+ *****************************************************************************/
+static __inline__ void vout_Seek( off_t i_seek )
+{
+    off_t i_tell;
+
+    vlc_mutex_lock( &p_input_bank->lock );
+    if( p_input_bank->pp_input[0] != NULL )
+    {
+#define S p_input_bank->pp_input[0]->stream
+        i_tell = S.p_selected_area->i_tell + i_seek * (off_t)50 * S.i_mux_rate;
+
+        i_tell = ( i_tell <= 0 /*S.p_selected_area->i_start*/ )
+                   ? 0 /*S.p_selected_area->i_start*/
+                   : ( i_tell >= S.p_selected_area->i_size )
+                       ? S.p_selected_area->i_size
+                       : i_tell;
+
+        input_Seek( p_input_bank->pp_input[0], i_tell );
+#undef S
+    }
+    vlc_mutex_unlock( &p_input_bank->lock );
+}
 
 /*****************************************************************************
- * vout_SDLCreate: allocate SDL video thread output method
+ * Local prototypes.
+ *****************************************************************************/
+static int  vout_Create     ( struct vout_thread_s * );
+static int  vout_Init       ( struct vout_thread_s * );
+static void vout_End        ( struct vout_thread_s * );
+static void vout_Destroy    ( struct vout_thread_s * );
+static int  vout_Manage     ( struct vout_thread_s * );
+static void vout_Render     ( struct vout_thread_s *, struct picture_s * );
+static void vout_Display    ( struct vout_thread_s *, struct picture_s * );
+
+static int  OpenDisplay     ( struct vout_thread_s * );
+static void CloseDisplay    ( struct vout_thread_s * );
+static int  NewPicture      ( struct vout_thread_s *, struct picture_s * );
+static void SetPalette      ( struct vout_thread_s *, u16 *, u16 *, u16 * );
+
+/*****************************************************************************
+ * Functions exported as capabilities. They are declared as static so that
+ * we don't pollute the namespace too much.
+ *****************************************************************************/
+void _M( vout_getfunctions )( function_list_t * p_function_list )
+{
+    p_function_list->functions.vout.pf_create     = vout_Create;
+    p_function_list->functions.vout.pf_init       = vout_Init;
+    p_function_list->functions.vout.pf_end        = vout_End;
+    p_function_list->functions.vout.pf_destroy    = vout_Destroy;
+    p_function_list->functions.vout.pf_manage     = vout_Manage;
+    p_function_list->functions.vout.pf_render     = vout_Render;
+    p_function_list->functions.vout.pf_display    = vout_Display;
+}
+
+/*****************************************************************************
+ * vout_Create: allocate SDL video thread output method
  *****************************************************************************
  * This function allocate and initialize a SDL vout method. It uses some of the
  * vout properties to choose the correct mode, and change them according to the
  * mode actually used.
  *****************************************************************************/
-int vout_SDLCreate( vout_thread_t *p_vout, char *psz_display,
-                    int i_root_window, void *p_data )
+static int vout_Create( vout_thread_t *p_vout )
 {
+    char *psz_method;
+
+    if( SDL_WasInit( SDL_INIT_VIDEO ) != 0 )
+    {
+        return( 1 );
+    }
+
     /* Allocate structure */
     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
     if( p_vout->p_sys == NULL )
     {
-        intf_ErrMsg( "error: %s", strerror(ENOMEM) );
+        intf_ErrMsg( "vout error: can't create p_sys (%s)", strerror(ENOMEM) );
         return( 1 );
     }
 
-    p_vout->p_sys->p_display = NULL;
-    p_vout->p_sys->p_overlay = NULL;
-    p_vout->p_sys->b_must_acquire = 0;
+    psz_method = config_GetPszVariable( "vout" );
+    if( psz_method )
+    {
+        while( *psz_method && *psz_method != ':' )
+        {
+            psz_method++;
+        }
+
+        if( *psz_method )
+        {
+            setenv( "SDL_VIDEODRIVER", psz_method + 1, 1 );
+        }
+    }
 
     /* Initialize library */
-    if( SDL_Init(SDL_INIT_VIDEO) < 0 )
+    if( SDL_Init( SDL_INIT_VIDEO
+#ifndef WIN32
+    /* Win32 SDL implementation doesn't support SDL_INIT_EVENTTHREAD yet*/
+                | SDL_INIT_EVENTTHREAD
+#endif
+#ifdef DEBUG
+    /* In debug mode you may want vlc to dump a core instead of staying
+     * stuck */
+                | SDL_INIT_NOPARACHUTE
+#endif
+                ) < 0 )
     {
-        intf_ErrMsg( "error: can't initialize SDL library: %s",
-                     SDL_GetError() );
+        intf_ErrMsg( "vout error: can't initialize SDL (%s)", SDL_GetError() );
         free( p_vout->p_sys );
         return( 1 );
     }
 
-    /* Force the software yuv even if it is not used */
-    /* If we don't do this, p_vout is not correctly initialized
-       and it's impossible to switch between soft/hard yuv */
-    p_vout->b_need_render = 1;
+    p_vout->p_sys->b_cursor = 1;
+    p_vout->p_sys->b_cursor_autohidden = 0;
+    p_vout->p_sys->i_lastmoved = mdate();
 
-    if(psz_display != NULL && strcmp(psz_display,"fullscreen")==0)
+    if( p_vout->render.i_height * p_vout->render.i_aspect
+         >= p_vout->render.i_width * VOUT_ASPECT_FACTOR )
     {
-        p_vout->p_sys->b_fullscreen = 1;
+        p_vout->p_sys->i_width = p_vout->render.i_height
+            * p_vout->render.i_aspect / VOUT_ASPECT_FACTOR;
+        p_vout->p_sys->i_height = p_vout->render.i_height;
     }
     else
     {
-        p_vout->p_sys->b_fullscreen = 0;
+        p_vout->p_sys->i_width = p_vout->render.i_width;
+        p_vout->p_sys->i_height = p_vout->render.i_width
+            * VOUT_ASPECT_FACTOR / p_vout->render.i_aspect;
     }
 
-    p_vout->p_sys->i_width = VOUT_WIDTH_DEFAULT;
-    p_vout->p_sys->i_height = VOUT_HEIGHT_DEFAULT;
-
-    p_vout->p_sys->b_reopen_display = 0;
+#if 0
+    if( p_vout->p_sys->i_width <= 300 && p_vout->p_sys->i_height <= 300 )
+    {
+        p_vout->p_sys->i_width <<= 1;
+        p_vout->p_sys->i_height <<= 1;
+    }
+    else if( p_vout->p_sys->i_width <= 400 && p_vout->p_sys->i_height <= 400 )
+    {
+        p_vout->p_sys->i_width += p_vout->p_sys->i_width >> 1;
+        p_vout->p_sys->i_height += p_vout->p_sys->i_height >> 1;
+    }
+#endif
 
-    if( SDLOpenDisplay(p_vout) )
+    if( OpenDisplay( p_vout ) )
     {
-        intf_ErrMsg( "error: can't initialize SDL library: %s",
-                     SDL_GetError() );
+        intf_ErrMsg( "vout error: can't set up SDL (%s)", SDL_GetError() );
+        SDL_QuitSubSystem( SDL_INIT_VIDEO );
         free( p_vout->p_sys );
         return( 1 );
     }
@@ -129,286 +244,646 @@ int vout_SDLCreate( vout_thread_t *p_vout, char *psz_display,
 }
 
 /*****************************************************************************
- * vout_SDLInit: initialize SDL video thread output method
+ * vout_Init: initialize SDL video thread output method
  *****************************************************************************
  * This function initialize the SDL display device.
  *****************************************************************************/
-int vout_SDLInit( vout_thread_t *p_vout )
+static int vout_Init( vout_thread_t *p_vout )
 {
-    /* Acquire first buffer */
-    if( p_vout->p_sys->b_must_acquire )
+    int i_index;
+    picture_t *p_pic;
+
+    p_vout->p_sys->i_surfaces = 0;
+
+    I_OUTPUTPICTURES = 0;
+
+    /* Initialize the output structure */
+    if( p_vout->p_sys->p_overlay == NULL )
+    {
+        /* All we have is an RGB image with square pixels */
+        p_vout->output.i_width  = p_vout->p_sys->i_width;
+        p_vout->output.i_height = p_vout->p_sys->i_height;
+        p_vout->output.i_aspect = p_vout->p_sys->i_width
+                                   * VOUT_ASPECT_FACTOR
+                                   / p_vout->p_sys->i_height;
+    }
+    else
     {
-        SDL_LockSurface(p_vout->p_sys->p_display);
+        /* We may need to convert the chroma, but at least we keep the
+         * aspect ratio */
+        p_vout->output.i_width  = p_vout->render.i_width;
+        p_vout->output.i_height = p_vout->render.i_height;
+        p_vout->output.i_aspect = p_vout->render.i_aspect;
+    }
+
+    /* Try to initialize SDL_MAX_DIRECTBUFFERS direct buffers */
+    while( I_OUTPUTPICTURES < SDL_MAX_DIRECTBUFFERS )
+    {
+        p_pic = NULL;
+
+        /* Find an empty picture slot */
+        for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
+        {
+            if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
+            {
+                p_pic = p_vout->p_picture + i_index;
+                break;
+            }
+        }
+
+        /* Allocate the picture if we found one */
+        if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
+        {
+            break;
+        }
+
+        p_pic->i_status = DESTROYED_PICTURE;
+        p_pic->i_type   = DIRECT_PICTURE;
+
+        PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
+
+        I_OUTPUTPICTURES++;
     }
 
     return( 0 );
 }
 
 /*****************************************************************************
- * vout_SDLEnd: terminate Sys video thread output method
+ * vout_End: terminate Sys video thread output method
  *****************************************************************************
  * Terminate an output method created by vout_SDLCreate
  *****************************************************************************/
-void vout_SDLEnd( vout_thread_t *p_vout )
+static void vout_End( vout_thread_t *p_vout )
 {
-    /* Release buffer */
-    if( p_vout->p_sys->b_must_acquire )
+    int i_index;
+
+    /* Free the output buffers we allocated */
+    for( i_index = I_OUTPUTPICTURES ; i_index ; )
     {
-        SDL_UnlockSurface ( p_vout->p_sys->p_display );
+        i_index--;
+        if( p_vout->p_sys->p_overlay == NULL )
+        {
+            /* RGB picture */
+        }
+        else
+        {
+            SDL_UnlockYUVOverlay(
+                    PP_OUTPUTPICTURE[ i_index ]->p_sys->p_overlay );
+            SDL_FreeYUVOverlay(
+                    PP_OUTPUTPICTURE[ i_index ]->p_sys->p_overlay );
+        }
+        free( PP_OUTPUTPICTURE[ i_index ]->p_sys );
     }
-    free( p_vout->p_sys );
 }
 
 /*****************************************************************************
- * vout_SDLDestroy: destroy Sys video thread output method
+ * vout_Destroy: destroy Sys video thread output method
  *****************************************************************************
  * Terminate an output method created by vout_SDLCreate
  *****************************************************************************/
-void vout_SDLDestroy( vout_thread_t *p_vout )
+static void vout_Destroy( vout_thread_t *p_vout )
 {
-    SDLCloseDisplay( p_vout );
+    CloseDisplay( p_vout );
+
+    SDL_QuitSubSystem( SDL_INIT_VIDEO );
+
     free( p_vout->p_sys );
 }
 
 /*****************************************************************************
- * vout_SDLManage: handle Sys events
+ * vout_Manage: handle Sys events
  *****************************************************************************
  * This function should be called regularly by video output thread. It returns
  * a non null value if an error occured.
  *****************************************************************************/
-int vout_SDLManage( vout_thread_t *p_vout )
+static int vout_Manage( vout_thread_t *p_vout )
 {
-    /* If the display has to be reopened we do so */
-    if( p_vout->p_sys->b_reopen_display )
+    SDL_Event event;                                            /* SDL event */
+
+    /* Process events */
+    while( SDL_PollEvent(&event) )
     {
-        p_vout->p_sys->b_must_acquire = 0;
-        if( p_vout->p_sys->p_display )
+        switch( event.type )
         {
-            if( p_vout->p_sys->p_overlay )
+        case SDL_VIDEORESIZE:                          /* Resizing of window */
+            p_vout->p_sys->i_width = event.resize.w;
+            p_vout->p_sys->i_height = event.resize.h;
+            CloseDisplay( p_vout );
+            OpenDisplay( p_vout );
+            break;
+
+        case SDL_MOUSEMOTION:
+            if( p_vout->p_sys->b_cursor &&
+                (abs(event.motion.xrel) > 2 || abs(event.motion.yrel) > 2) )
             {
-                SDL_FreeYUVOverlay(p_vout->p_sys->p_overlay);
-                p_vout->p_sys->p_overlay = NULL;
+                if( p_vout->p_sys->b_cursor_autohidden )
+                {
+                    p_vout->p_sys->b_cursor_autohidden = 0;
+                    SDL_ShowCursor( 1 );
+                }
+                else
+                {
+                    p_vout->p_sys->i_lastmoved = mdate();
+                }
             }
-            SDL_FreeSurface( p_vout->p_sys->p_display );
-            p_vout->p_sys->p_display = NULL;
-        }
+            break;
 
-        if( SDLOpenDisplay(p_vout) )
-        {
-            intf_ErrMsg( "error: can't open DISPLAY default display" );
-            return( 1 );
+        case SDL_MOUSEBUTTONUP:
+            switch( event.button.button )
+            {
+            case SDL_BUTTON_RIGHT:
+                p_main->p_intf->b_menu_change = 1;
+                break;
+            }
+            break;
+
+        case SDL_MOUSEBUTTONDOWN:
+            switch( event.button.button )
+            {
+            case SDL_BUTTON_LEFT:
+                /* In this part we will eventually manage
+                 * clicks for DVD navigation for instance. For the
+                 * moment just pause the stream. */
+                input_SetStatus( p_input_bank->pp_input[0],
+                                 INPUT_STATUS_PAUSE );
+                break;
+
+            case 4:
+                vout_Seek( 15 );
+                break;
+
+            case 5:
+                vout_Seek( -15 );
+                break;
+            }
+            break;
+
+        case SDL_QUIT:
+            p_main->p_intf->b_die = 1;
+            break;
+
+        case SDL_KEYDOWN:                             /* if a key is pressed */
+
+            switch( event.key.keysym.sym )
+            {
+            case SDLK_q:                                             /* quit */
+            case SDLK_ESCAPE:
+                p_main->p_intf->b_die = 1;
+                break;
+
+            case SDLK_f:                             /* switch to fullscreen */
+                p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
+                break;
+
+            case SDLK_c:                                 /* toggle grayscale */
+                p_vout->b_grayscale = ! p_vout->b_grayscale;
+                p_vout->i_changes |= VOUT_GRAYSCALE_CHANGE;
+                break;
+
+            case SDLK_i:                                      /* toggle info */
+                p_vout->b_info = ! p_vout->b_info;
+                p_vout->i_changes |= VOUT_INFO_CHANGE;
+                break;
+
+            case SDLK_s:                                   /* toggle scaling */
+                p_vout->b_scale = ! p_vout->b_scale;
+                p_vout->i_changes |= VOUT_SCALE_CHANGE;
+                break;
+
+            case SDLK_SPACE:                             /* toggle interface */
+                p_vout->b_interface = ! p_vout->b_interface;
+                p_vout->i_changes |= VOUT_INTF_CHANGE;
+                break;
+            
+            case SDLK_MENU:
+                p_main->p_intf->b_menu_change = 1;
+                break;
+
+            case SDLK_LEFT:
+                vout_Seek( -5 );
+                break;
+
+            case SDLK_RIGHT:
+                vout_Seek( 5 );
+                break;
+
+            case SDLK_UP:
+                vout_Seek( 60 );
+                break;
+
+            case SDLK_DOWN:
+                vout_Seek( -60 );
+                break;
+
+            case SDLK_F10: network_ChannelJoin( 0 ); break;
+            case SDLK_F1:  network_ChannelJoin( 1 ); break;
+            case SDLK_F2:  network_ChannelJoin( 2 ); break;
+            case SDLK_F3:  network_ChannelJoin( 3 ); break;
+            case SDLK_F4:  network_ChannelJoin( 4 ); break;
+            case SDLK_F5:  network_ChannelJoin( 5 ); break;
+            case SDLK_F6:  network_ChannelJoin( 6 ); break;
+            case SDLK_F7:  network_ChannelJoin( 7 ); break;
+            case SDLK_F8:  network_ChannelJoin( 8 ); break;
+            case SDLK_F9:  network_ChannelJoin( 9 ); break;
+
+            default:
+                break;
+            }
+            break;
+
+        default:
+            break;
         }
-        p_vout->p_sys->b_reopen_display = 0;
     }
+
+    /* Fullscreen change */
+    if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
+    {
+        p_vout->b_fullscreen = ! p_vout->b_fullscreen;
+
+        SDL_WM_ToggleFullScreen(p_vout->p_sys->p_display);
+
+        p_vout->p_sys->b_cursor_autohidden = 0;
+        SDL_ShowCursor( p_vout->p_sys->b_cursor &&
+                        ! p_vout->p_sys->b_cursor_autohidden );
+
+        p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
+    }
+
+    /* Pointer change */
+    if( ! p_vout->p_sys->b_cursor_autohidden &&
+        ( mdate() - p_vout->p_sys->i_lastmoved > 2000000 ) )
+    {
+        /* Hide the mouse automatically */
+        p_vout->p_sys->b_cursor_autohidden = 1;
+        SDL_ShowCursor( 0 );
+    }
+
     return( 0 );
 }
 
 /*****************************************************************************
- * vout_SDLDisplay: displays previously rendered output
+ * vout_Render: render previously calculated output
+ *****************************************************************************/
+static void vout_Render( vout_thread_t *p_vout, picture_t *p_pic )
+{
+    ;
+}
+
+/*****************************************************************************
+ * vout_Display: displays previously rendered output
  *****************************************************************************
- * This function send the currently rendered image to the display, wait until
- * it is displayed and switch the two rendering buffer, preparing next frame.
+ * This function sends the currently rendered image to the display.
  *****************************************************************************/
-void vout_SDLDisplay( vout_thread_t *p_vout )
+static void vout_Display( vout_thread_t *p_vout, picture_t *p_pic )
 {
-    SDL_Rect    disp;
-    if(p_vout->b_need_render)
-    {  
-        /* Change display frame */
-        if( p_vout->p_sys->b_must_acquire )
-        {
-            
-            SDL_Flip( p_vout->p_sys->p_display );
-            
-            /* Swap buffers and change write frame */
-            SDL_LockSurface ( p_vout->p_sys->p_display );
-        }
-     }
-     else
-     {
-        
-        /*
-         * p_vout->p_rendered_pic->p_y/u/v contains the YUV buffers to render 
-         */
-        if( p_vout->p_sys->b_must_acquire )
-        {
-            /* TODO: support for streams other than 4:2:0 */
-            /* create the overlay if necessary */
-            if( p_vout->p_sys->p_overlay == NULL )
-            {
-                p_vout->p_sys->p_overlay = SDL_CreateYUVOverlay( 
-                                             p_vout->p_rendered_pic->i_width, 
-                                             p_vout->p_rendered_pic->i_height,
-                                             SDL_YV12_OVERLAY, 
-                                             p_vout->p_sys->p_display
-                                           );
-                intf_Msg("[YUV acceleration] : %d,",
-                            p_vout->p_sys->p_overlay->hw_overlay); 
-            }
+    int x, y, w, h;
+    SDL_Rect disp;
 
-            SDL_LockYUVOverlay(p_vout->p_sys->p_overlay);
-            /* copy the data into video buffers */
-            /* Y first */
-            memcpy(p_vout->p_sys->p_overlay->pixels[0],
-                   p_vout->p_rendered_pic->p_y,
-                   p_vout->p_sys->p_overlay->h *
-                   p_vout->p_sys->p_overlay->pitches[0]);
-            /* then V */
-            memcpy(p_vout->p_sys->p_overlay->pixels[1],
-                   p_vout->p_rendered_pic->p_v,
-                   p_vout->p_sys->p_overlay->h *
-                   p_vout->p_sys->p_overlay->pitches[1] / 2);
-            /* and U */
-            memcpy(p_vout->p_sys->p_overlay->pixels[2],
-                   p_vout->p_rendered_pic->p_u,
-                   p_vout->p_sys->p_overlay->h *
-                   p_vout->p_sys->p_overlay->pitches[2] / 2);
-
-            disp.w = (&p_vout->p_buffer[p_vout->i_buffer_index])->i_pic_width;
-            disp.h = (&p_vout->p_buffer[p_vout->i_buffer_index])->i_pic_height;
-            disp.x = (p_vout->i_width - disp.w)/2;
-            disp.y = (p_vout->i_height - disp.h)/2;
-
-            SDL_DisplayYUVOverlay( p_vout->p_sys->p_overlay , &disp );
-            SDL_UnlockYUVOverlay(p_vout->p_sys->p_overlay);
-        }
+    vout_PlacePicture( p_vout, p_vout->p_sys->i_width, p_vout->p_sys->i_height,
+                       &x, &y, &w, &h );
+    disp.x = x;
+    disp.y = y;
+    disp.w = w;
+    disp.h = h;
+
+    if( p_vout->p_sys->p_overlay == NULL )
+    {
+        /* RGB picture */
+        SDL_Flip( p_vout->p_sys->p_display );
+    }
+    else
+    {
+        /* Overlay picture */
+        SDL_UnlockYUVOverlay( p_pic->p_sys->p_overlay);
+        SDL_DisplayYUVOverlay( p_pic->p_sys->p_overlay , &disp );
+        SDL_LockYUVOverlay( p_pic->p_sys->p_overlay);
     }
 }
 
 /* following functions are local */
 
 /*****************************************************************************
- * SDLOpenDisplay: open and initialize SDL device
+ * OpenDisplay: open and initialize SDL device
  *****************************************************************************
  * Open and initialize display according to preferences specified in the vout
  * thread fields.
  *****************************************************************************/
-static int SDLOpenDisplay( vout_thread_t *p_vout )
+static int OpenDisplay( vout_thread_t *p_vout )
 {
-    SDL_Rect    clipping_rect;
-    Uint32      flags;
-    int bpp;
-    /* Open display 
-     * TODO: Check that we can request for a DOUBLEBUF HWSURFACE display
-     */
-
-    /* init flags and cursor */
-    flags = SDL_ANYFORMAT;
-
-    if( p_vout->p_sys->b_fullscreen )
-        flags |= SDL_FULLSCREEN;
-    else
-        flags |= SDL_RESIZABLE;
+    Uint32 i_flags;
+    int    i_bpp;
 
-    if( p_vout->b_need_render )
-        flags |= SDL_HWSURFACE | SDL_DOUBLEBUF;
-    else
-        flags |= SDL_SWSURFACE; /* save video memory */
-
-    bpp = SDL_VideoModeOK(p_vout->p_sys->i_width,
-                          p_vout->p_sys->i_height,
-                          p_vout->i_screen_depth, flags);
+    /* Initialize flags and cursor */
+    i_flags = SDL_ANYFORMAT | SDL_HWPALETTE | SDL_HWSURFACE | SDL_DOUBLEBUF;
+    i_flags |= p_vout->b_fullscreen ? SDL_FULLSCREEN : SDL_RESIZABLE;
 
-    if(bpp == 0)
+    i_bpp = SDL_VideoModeOK( p_vout->p_sys->i_width, p_vout->p_sys->i_height,
+                             SDL_DEFAULT_BPP, i_flags );
+    if( i_bpp == 0 )
     {
-        intf_ErrMsg( "error: can't open DISPLAY default display" );
+        intf_ErrMsg( "vout error: no video mode available" );
         return( 1 );
     }
 
-    p_vout->p_sys->p_display = SDL_SetVideoMode(p_vout->p_sys->i_width,
-                                                p_vout->p_sys->i_height,
-                                                bpp, flags);
+    p_vout->p_sys->p_display = SDL_SetVideoMode( p_vout->p_sys->i_width,
+                                                 p_vout->p_sys->i_height,
+                                                 i_bpp, i_flags );
 
     if( p_vout->p_sys->p_display == NULL )
     {
-        intf_ErrMsg( "error: can't open DISPLAY default display" );
+        intf_ErrMsg( "vout error: cannot set video mode" );
         return( 1 );
     }
 
-    if( p_vout->p_sys->b_fullscreen )
-        SDL_ShowCursor( 0 );
-    else
-        SDL_ShowCursor( 1 );
-
-    SDL_WM_SetCaption( VOUT_TITLE , VOUT_TITLE );
-    SDL_EventState(SDL_KEYUP , SDL_IGNORE);    /* ignore keys up */
+    SDL_LockSurface( p_vout->p_sys->p_display );
 
-    if( p_vout->b_need_render )
+    /* Choose the chroma we will try first. */
+    switch( p_vout->render.i_chroma )
     {
-        p_vout->p_sys->p_buffer[ 0 ] = p_vout->p_sys->p_display->pixels;
-        SDL_Flip(p_vout->p_sys->p_display);
-        p_vout->p_sys->p_buffer[ 1 ] = p_vout->p_sys->p_display->pixels;
-        SDL_Flip(p_vout->p_sys->p_display);
-
-        /* Set clipping for text */
-        clipping_rect.x = 0;
-        clipping_rect.y = 0;
-        clipping_rect.w = p_vout->p_sys->p_display->w;
-        clipping_rect.h = p_vout->p_sys->p_display->h;
-        SDL_SetClipRect(p_vout->p_sys->p_display, &clipping_rect);
-
-        /* Set thread information */
-        p_vout->i_width =           p_vout->p_sys->p_display->w;
-        p_vout->i_height =          p_vout->p_sys->p_display->h;
-        p_vout->i_bytes_per_line =  p_vout->p_sys->p_display->pitch;
-
-        p_vout->i_screen_depth =
-            p_vout->p_sys->p_display->format->BitsPerPixel;
-        p_vout->i_bytes_per_pixel =
-            p_vout->p_sys->p_display->format->BytesPerPixel;
-
-        p_vout->i_red_mask =        p_vout->p_sys->p_display->format->Rmask;
-        p_vout->i_green_mask =      p_vout->p_sys->p_display->format->Gmask;
-        p_vout->i_blue_mask =       p_vout->p_sys->p_display->format->Bmask;
-
-        /* FIXME: palette in 8bpp ?? */
-        /* Set and initialize buffers */
-        vout_SetBuffers( p_vout, p_vout->p_sys->p_buffer[ 0 ],
-                                 p_vout->p_sys->p_buffer[ 1 ] );
+        case FOURCC_YUY2:
+        case FOURCC_YUNV:
+            p_vout->output.i_chroma = SDL_YUY2_OVERLAY;
+            break;
+        case FOURCC_UYVY:
+        case FOURCC_UYNV:
+        case FOURCC_Y422:
+            p_vout->output.i_chroma = SDL_UYVY_OVERLAY;
+            break;
+        case FOURCC_YVYU:
+            p_vout->output.i_chroma = SDL_YVYU_OVERLAY;
+            break;
+        case FOURCC_YV12:
+        case FOURCC_I420:
+        case FOURCC_IYUV:
+        default:
+            p_vout->output.i_chroma = SDL_YV12_OVERLAY;
+            break;
     }
-    else
+
+    p_vout->p_sys->p_overlay =
+        SDL_CreateYUVOverlay( 32, 32, p_vout->output.i_chroma,
+                              p_vout->p_sys->p_display );
+    /* FIXME: if the first overlay we find is software, don't stop,
+     * because we may find a hardware one later ... */
+
+    /* If this best choice failed, fall back to other chromas */
+    if( p_vout->p_sys->p_overlay == NULL )
     {
-        p_vout->p_sys->p_buffer[ 0 ] = p_vout->p_sys->p_display->pixels;
-        p_vout->p_sys->p_buffer[ 1 ] = p_vout->p_sys->p_display->pixels;
+        p_vout->output.i_chroma = SDL_IYUV_OVERLAY;
+        p_vout->p_sys->p_overlay =
+            SDL_CreateYUVOverlay( 32, 32, p_vout->output.i_chroma,
+                                  p_vout->p_sys->p_display );
+    }
 
-        /* Set thread information */
-        p_vout->i_width =           p_vout->p_sys->p_display->w;
-        p_vout->i_height =          p_vout->p_sys->p_display->h;
-        p_vout->i_bytes_per_line =  p_vout->p_sys->p_display->pitch;
+    if( p_vout->p_sys->p_overlay == NULL )
+    {
+        p_vout->output.i_chroma = SDL_YV12_OVERLAY;
+        p_vout->p_sys->p_overlay =
+            SDL_CreateYUVOverlay( 32, 32, p_vout->output.i_chroma,
+                                  p_vout->p_sys->p_display );
+    }
 
-        vout_SetBuffers( p_vout, p_vout->p_sys->p_buffer[ 0 ],
-                                 p_vout->p_sys->p_buffer[ 1 ] );
+    if( p_vout->p_sys->p_overlay == NULL )
+    {
+        p_vout->output.i_chroma = SDL_YUY2_OVERLAY;
+        p_vout->p_sys->p_overlay =
+            SDL_CreateYUVOverlay( 32, 32, p_vout->output.i_chroma,
+                                  p_vout->p_sys->p_display );
     }
 
-    p_vout->i_changes |= VOUT_YUV_CHANGE;
+    if( p_vout->p_sys->p_overlay == NULL )
+    {
+        intf_WarnMsg( 3, "vout warning: no SDL overlay for 0x%.8x (%4.4s)",
+                         p_vout->render.i_chroma,
+                         (char*)&p_vout->render.i_chroma );
+
+        switch( p_vout->p_sys->p_display->format->BitsPerPixel )
+        {
+            case 8:
+                p_vout->output.i_chroma = FOURCC_RGB2;
+                p_vout->output.pf_setpalette = SetPalette;
+                break;
+            case 15:
+                p_vout->output.i_chroma = FOURCC_RV15;
+                break;
+            case 16:
+                p_vout->output.i_chroma = FOURCC_RV16;
+                break;
+            case 24:
+                p_vout->output.i_chroma = FOURCC_RV24;
+                break;
+            case 32:
+                p_vout->output.i_chroma = FOURCC_RV32;
+                break;
+            default:
+                intf_ErrMsg( "vout error: unknown screen depth" );
+                SDL_UnlockSurface( p_vout->p_sys->p_display );
+                SDL_FreeSurface( p_vout->p_sys->p_display );
+                return( -1 );
+        }
+
+        p_vout->output.i_rmask = p_vout->p_sys->p_display->format->Rmask;
+        p_vout->output.i_gmask = p_vout->p_sys->p_display->format->Gmask;
+        p_vout->output.i_bmask = p_vout->p_sys->p_display->format->Bmask;
+
+        SDL_WM_SetCaption( VOUT_TITLE " (software RGB SDL output)",
+                           VOUT_TITLE " (software RGB SDL output)" );
+    }
+    else
+    {
+        if( p_vout->p_sys->p_overlay->hw_overlay )
+        {
+            SDL_WM_SetCaption( VOUT_TITLE " (hardware YUV SDL output)",
+                               VOUT_TITLE " (hardware YUV SDL output)" );
+        }
+        else
+        {
+            SDL_WM_SetCaption( VOUT_TITLE " (software YUV SDL output)",
+                               VOUT_TITLE " (software YUV SDL output)" );
+        }
+    }
 
-    /* Check buffers properties */     
-    p_vout->p_sys->b_must_acquire = 1;         /* always acquire */
+    SDL_EventState( SDL_KEYUP, SDL_IGNORE );               /* ignore keys up */
 
     return( 0 );
 }
 
 /*****************************************************************************
- * SDLCloseDisplay: close and reset SDL device
+ * CloseDisplay: close and reset SDL device
  *****************************************************************************
- * This function returns all resources allocated by SDLOpenDisplay and restore
+ * This function returns all resources allocated by OpenDisplay and restore
  * the original state of the device.
  *****************************************************************************/
-static void SDLCloseDisplay( vout_thread_t *p_vout )
+static void CloseDisplay( vout_thread_t *p_vout )
 {
-    if( p_vout->p_sys->p_display )
+    SDL_FreeYUVOverlay( p_vout->p_sys->p_overlay );
+    SDL_UnlockSurface ( p_vout->p_sys->p_display );
+    SDL_FreeSurface( p_vout->p_sys->p_display );
+}
+
+/*****************************************************************************
+ * NewPicture: allocate a picture
+ *****************************************************************************
+ * Returns 0 on success, -1 otherwise
+ *****************************************************************************/
+static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
+{
+    int i_width  = p_vout->output.i_width;
+    int i_height = p_vout->output.i_height;
+
+    if( p_vout->p_sys->p_overlay == NULL )
     {
-        p_vout->p_sys->b_must_acquire = 0;
-        if( p_vout->p_sys->p_overlay )
+        /* RGB picture */
+        if( p_vout->p_sys->i_surfaces )
+        {
+            /* We already allocated this surface, return */
+            return -1;
+        }
+
+        p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
+
+        if( p_pic->p_sys == NULL )
         {
-            SDL_FreeYUVOverlay(p_vout->p_sys->p_overlay);
-            p_vout->p_sys->p_overlay = NULL;
+            return -1;
         }
-        SDL_UnlockSurface(p_vout->p_sys->p_display);
-        SDL_FreeSurface( p_vout->p_sys->p_display );
-        p_vout->p_sys->p_display = NULL;
+
+        switch( p_vout->p_sys->p_display->format->BitsPerPixel )
+        {
+            case 8:
+                p_pic->p->i_pixel_bytes = 1;
+                break;
+            case 15:
+            case 16:
+                p_pic->p->i_pixel_bytes = 2;
+                break;
+            case 24:
+            case 32:
+                p_pic->p->i_pixel_bytes = 4;
+                break;
+            default:
+                return( -1 );
+        }
+
+        p_pic->p->p_pixels = p_vout->p_sys->p_display->pixels;
+        p_pic->p->i_lines = p_vout->p_sys->p_display->h;
+        p_pic->p->i_pitch = p_vout->p_sys->p_display->pitch;
+
+        if( p_pic->p->i_pitch ==
+                p_pic->p->i_pixel_bytes * p_vout->p_sys->p_display->w )
+        {
+            p_pic->p->b_margin = 0;
+        }
+        else
+        {
+            p_pic->p->b_margin = 1;
+            p_pic->p->b_hidden = 1;
+            p_pic->p->i_visible_bytes =
+                p_pic->p->i_pixel_bytes * p_vout->p_sys->p_display->w;
+        }
+
+        p_vout->p_sys->i_surfaces++;
+
+        p_pic->i_planes = 1;
+    }
+    else
+    {
+        p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
+
+        if( p_pic->p_sys == NULL )
+        {
+            return -1;
+        }
+
+        p_pic->p_sys->p_overlay =
+            SDL_CreateYUVOverlay( i_width, i_height,
+                                  p_vout->output.i_chroma,
+                                  p_vout->p_sys->p_display );
+
+        if( p_pic->p_sys->p_overlay == NULL )
+        {
+            free( p_pic->p_sys );
+            return -1;
+        }
+
+        SDL_LockYUVOverlay( p_pic->p_sys->p_overlay );
+
+        p_pic->Y_PIXELS = p_pic->p_sys->p_overlay->pixels[0];
+        p_pic->p[Y_PLANE].i_lines = p_pic->p_sys->p_overlay->h;
+        p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[0];
+
+        switch( p_vout->output.i_chroma )
+        {
+        case SDL_YV12_OVERLAY:
+            p_pic->p[Y_PLANE].i_pixel_bytes = 1;
+            p_pic->p[Y_PLANE].b_margin = 0;
+
+            p_pic->U_PIXELS = p_pic->p_sys->p_overlay->pixels[2];
+            p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
+            p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[2];
+            p_pic->p[U_PLANE].i_pixel_bytes = 1;
+            p_pic->p[U_PLANE].b_margin = 0;
+
+            p_pic->V_PIXELS = p_pic->p_sys->p_overlay->pixels[1];
+            p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
+            p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[1];
+            p_pic->p[V_PLANE].i_pixel_bytes = 1;
+            p_pic->p[V_PLANE].b_margin = 0;
+
+            p_pic->i_planes = 3;
+            break;
+
+        case SDL_IYUV_OVERLAY:
+            p_pic->p[Y_PLANE].i_pixel_bytes = 1;
+            p_pic->p[Y_PLANE].b_margin = 0;
+
+            p_pic->U_PIXELS = p_pic->p_sys->p_overlay->pixels[1];
+            p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
+            p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[1];
+            p_pic->p[U_PLANE].i_pixel_bytes = 1;
+            p_pic->p[U_PLANE].b_margin = 0;
+
+            p_pic->V_PIXELS = p_pic->p_sys->p_overlay->pixels[2];
+            p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
+            p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[2];
+            p_pic->p[V_PLANE].i_pixel_bytes = 1;
+            p_pic->p[V_PLANE].b_margin = 0;
+
+            p_pic->i_planes = 3;
+            break;
+
+        default:
+            p_pic->p[Y_PLANE].i_pixel_bytes = 2;
+            p_pic->p[Y_PLANE].b_margin = 0;
+
+            p_pic->i_planes = 1;
+            break;
+        }
+    }
+
+    return 0;
+}
+
+/*****************************************************************************
+ * SetPalette: sets an 8 bpp palette
+ *****************************************************************************/
+static void SetPalette( vout_thread_t *p_vout, u16 *red, u16 *green, u16 *blue )
+{
+    SDL_Color colors[256];
+    int i;
+  
+    /* Fill colors with color information */
+    for( i = 0; i < 256; i++ )
+    {
+        colors[ i ].r = red[ i ] >> 8;
+        colors[ i ].g = green[ i ] >> 8;
+        colors[ i ].b = blue[ i ] >> 8;
     }
 
-    SDL_Quit();
+    /* Set palette */
+    if( SDL_SetColors( p_vout->p_sys->p_display, colors, 0, 256 ) == 0 )
+    {
+        intf_ErrMsg( "vout error: failed setting palette" );
+    }
 }