videolan
/
vlc
mirror of https://gitea.goldendeliverer.com/videolan/vlc.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
25201 Commits
7 Branches
132 Tags
718 MiB
 
 
 
 
 
 
Tree: 3527f69d9f
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from '3527f69d9f'
${ noResults }
vlc/modules/video_output/sdl.c

1111 lines
37 KiB
Raw Blame History

/*****************************************************************************
* sdl.c: SDL video output display method
*****************************************************************************
* Copyright (C) 1998-2001 the VideoLAN team
* $Id$
*
* 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
* 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
*****************************************************************************/
#include <errno.h> /* ENOMEM */
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_interface.h>
#include <vlc_playlist.h>
#include <vlc_vout.h>
#include <vlc_keys.h>
//#include <vlc_aout.h>
#include <sys/types.h>
#ifndef WIN32
# include <netinet/in.h> /* BSD: struct in_addr */
#endif
#include SDL_INCLUDE_FILE
/* SDL is not able to crop overlays - so use only 1 direct buffer */
#define SDL_MAX_DIRECTBUFFERS 1
#define SDL_DEFAULT_BPP 16
/*****************************************************************************
* vout_sys_t: video output SDL method descriptor
*****************************************************************************
* This structure is part of the video output thread descriptor.
* It describes the SDL specific properties of an output thread.
*****************************************************************************/
struct vout_sys_t
{
SDL_Surface * p_display; /* display device */
int i_width;
int i_height;
#if SDL_VERSION_ATLEAST(1,2,10)
unsigned int i_desktop_width;
unsigned int i_desktop_height;
#endif
/* For YUV output */
SDL_Overlay * p_overlay; /* An overlay we keep to grab the XVideo port */
/* For RGB output */
int i_surfaces;
bool b_cursor;
bool b_cursor_autohidden;
mtime_t i_lastmoved;
mtime_t i_mouse_hide_timeout;
mtime_t i_lastpressed; /* to track dbl-clicks */
};
/*****************************************************************************
* 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.
*****************************************************************************/
struct picture_sys_t
{
SDL_Overlay *p_overlay;
};
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Open ( vlc_object_t * );
static void Close ( vlc_object_t * );
static int Init ( vout_thread_t * );
static void End ( vout_thread_t * );
static int Manage ( vout_thread_t * );
static void Display ( vout_thread_t *, picture_t * );
static int OpenDisplay ( vout_thread_t * );
static void CloseDisplay ( vout_thread_t * );
static int NewPicture ( vout_thread_t *, picture_t * );
static void SetPalette ( vout_thread_t *,
uint16_t *, uint16_t *, uint16_t * );
static int ConvertKey( SDLKey );
#define CHROMA_TEXT N_("SDL chroma format")
#define CHROMA_LONGTEXT N_( \
"Force the SDL renderer to use a specific chroma format instead of " \
"trying to improve performances by using the most efficient one.")
/*****************************************************************************
* Module descriptor
*****************************************************************************/
vlc_module_begin();
set_shortname( "SDL" );
set_category( CAT_VIDEO );
set_subcategory( SUBCAT_VIDEO_VOUT );
set_description( N_("Simple DirectMedia Layer video output") );
set_capability( "video output", 60 );
add_shortcut( "sdl" );
add_string( "sdl-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT, true );
set_callbacks( Open, Close );
#if defined( __i386__ ) || defined( __x86_64__ )
/* On i386, SDL is linked against svgalib */
linked_with_a_crap_library_which_uses_atexit();
#endif
vlc_module_end();
/*****************************************************************************
* OpenVideo: 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.
*****************************************************************************/
static int Open ( vlc_object_t *p_this )
{
vout_thread_t * p_vout = (vout_thread_t *)p_this;
/* XXX: check for conflicts with the SDL audio output */
vlc_mutex_t *lock = var_AcquireMutex( "sdl" );
#ifdef HAVE_SETENV
char *psz_method;
#endif
if( lock == NULL )
return VLC_ENOMEM;
p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
if( p_vout->p_sys == NULL )
{
vlc_mutex_unlock( lock );
return VLC_ENOMEM;
}
/* Check if SDL video module has been initialized */
if( SDL_WasInit( SDL_INIT_VIDEO ) != 0 )
{
vlc_mutex_unlock( lock );
free( p_vout->p_sys );
return VLC_EGENERIC;
}
/* Allocate structure */
p_vout->pf_init = Init;
p_vout->pf_end = End;
p_vout->pf_manage = Manage;
p_vout->pf_render = NULL;
p_vout->pf_display = Display;
p_vout->pf_control = NULL;
#ifdef HAVE_SETENV
psz_method = config_GetPsz( p_vout, "vout" );
if( psz_method )
{
while( *psz_method && *psz_method != ':' )
{
psz_method++;
}
if( *psz_method )
{
setenv( "SDL_VIDEODRIVER", psz_method + 1, 1 );
}
}
#endif
/* Initialize library */
if( SDL_Init( SDL_INIT_VIDEO
#ifndef WIN32
/* Win32 SDL implementation doesn't support SDL_INIT_EVENTTHREAD yet*/
| SDL_INIT_EVENTTHREAD
#endif
#ifndef NDEBUG
/* In debug mode you may want vlc to dump a core instead of staying
* stuck */
| SDL_INIT_NOPARACHUTE
#endif
) < 0 )
{
msg_Err( p_vout, "cannot initialize SDL (%s)", SDL_GetError() );
free( p_vout->p_sys );
vlc_mutex_unlock( lock );
return VLC_EGENERIC;
}
vlc_mutex_unlock( lock );
/* Translate keys into unicode */
SDL_EnableUNICODE(1);
/* Get the desktop resolution */
#if SDL_VERSION_ATLEAST(1,2,10)
/* FIXME: SDL has a problem with virtual desktop */
p_vout->p_sys->i_desktop_width = SDL_GetVideoInfo()->current_w;
p_vout->p_sys->i_desktop_height = SDL_GetVideoInfo()->current_h;
#endif
/* Create the cursor */
p_vout->p_sys->b_cursor = 1;
p_vout->p_sys->b_cursor_autohidden = 0;
p_vout->p_sys->i_lastmoved = p_vout->p_sys->i_lastpressed = mdate();
p_vout->p_sys->i_mouse_hide_timeout =
var_GetInteger(p_vout, "mouse-hide-timeout") * 1000;
if( OpenDisplay( p_vout ) )
{
msg_Err( p_vout, "cannot set up SDL (%s)", SDL_GetError() );
SDL_QuitSubSystem( SDL_INIT_VIDEO );
free( p_vout->p_sys );
return VLC_EGENERIC;
}
return VLC_SUCCESS;
}
/*****************************************************************************
* Init: initialize SDL video thread output method
*****************************************************************************
* This function initialize the SDL display device.
*****************************************************************************/
static int Init( vout_thread_t *p_vout )
{
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->output.i_width
* VOUT_ASPECT_FACTOR
/ p_vout->output.i_height;
}
else
{
/* 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 VLC_SUCCESS;
}
/*****************************************************************************
* End: terminate Sys video thread output method
*****************************************************************************
* Terminate an output method created by OpenVideo
*****************************************************************************/
static void End( vout_thread_t *p_vout )
{
int i_index;
/* Free the output buffers we allocated */
for( i_index = I_OUTPUTPICTURES ; i_index ; )
{
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 );
}
}
/*****************************************************************************
* CloseVideo: destroy Sys video thread output method
*****************************************************************************
* Terminate an output method created by vout_SDLCreate
*****************************************************************************/
static void Close ( vlc_object_t *p_this )
{
vout_thread_t * p_vout = (vout_thread_t *)p_this;
CloseDisplay( p_vout );
SDL_QuitSubSystem( SDL_INIT_VIDEO );
free( p_vout->p_sys );
}
/*****************************************************************************
* Manage: handle Sys events
*****************************************************************************
* This function should be called regularly by video output thread. It returns
* a non null value if an error occurred.
*****************************************************************************/
static int Manage( vout_thread_t *p_vout )
{
SDL_Event event; /* SDL event */
vlc_value_t val;
unsigned int i_width, i_height, i_x, i_y;
/* Process events */
while( SDL_PollEvent( &event ) )
{
switch( event.type )
{
/* Resizing of window */
case SDL_VIDEORESIZE:
p_vout->i_changes |= VOUT_SIZE_CHANGE;
p_vout->i_window_width = p_vout->p_sys->i_width = event.resize.w;
p_vout->i_window_height = p_vout->p_sys->i_height = event.resize.h;
break;
/* Mouse move */
case SDL_MOUSEMOTION:
vout_PlacePicture( p_vout, p_vout->p_sys->i_width,
p_vout->p_sys->i_height,
&i_x, &i_y, &i_width, &i_height );
/* Compute the x coordinate and check if the value is
in [0,p_vout->fmt_in.i_visible_width] */
val.i_int = ( event.motion.x - i_x ) *
p_vout->fmt_in.i_visible_width / i_width +
p_vout->fmt_in.i_x_offset;
if( (int)(event.motion.x - i_x) < 0 )
val.i_int = 0;
else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_width )
val.i_int = p_vout->fmt_in.i_visible_width;
var_Set( p_vout, "mouse-x", val );
/* compute the y coordinate and check if the value is
in [0,p_vout->fmt_in.i_visible_height] */
val.i_int = ( event.motion.y - i_y ) *
p_vout->fmt_in.i_visible_height / i_height +
p_vout->fmt_in.i_y_offset;
if( (int)(event.motion.y - i_y) < 0 )
val.i_int = 0;
else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_height )
val.i_int = p_vout->fmt_in.i_visible_height;
var_Set( p_vout, "mouse-y", val );
val.b_bool = true;
var_Set( p_vout, "mouse-moved", val );
if( p_vout->p_sys->b_cursor )
{
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();
}
}
break;
/* Mouse button released */
case SDL_MOUSEBUTTONUP:
switch( event.button.button )
{
case SDL_BUTTON_LEFT:
{
playlist_t *p_playlist;
var_Get( p_vout, "mouse-button-down", &val );
val.i_int &= ~1;
var_Set( p_vout, "mouse-button-down", val );
val.b_bool = true;
var_Set( p_vout, "mouse-clicked", val );
p_playlist = pl_Yield( p_vout );
if( p_playlist != NULL )
{
vlc_value_t val;
val.b_bool = false;
var_Set( p_playlist, "intf-popupmenu", val );
pl_Release( p_playlist );
}
}
break;
case SDL_BUTTON_MIDDLE:
{
playlist_t *p_playlist;
var_Get( p_vout, "mouse-button-down", &val );
val.i_int &= ~2;
var_Set( p_vout, "mouse-button-down", val );
vlc_value_t val;
var_Get( p_vout->p_libvlc, "intf-show", &val );
val.b_bool = !val.b_bool;
var_Set( p_vout->p_libvlc, "intf-show", val );
}
break;
case SDL_BUTTON_RIGHT:
{
intf_thread_t *p_intf;
playlist_t *p_playlist;
var_Get( p_vout, "mouse-button-down", &val );
val.i_int &= ~4;
var_Set( p_vout, "mous-button-down", val );
p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
FIND_ANYWHERE );
if( p_intf )
{
p_intf->b_menu_change = 1;
vlc_object_release( p_intf );
}
p_playlist = pl_Yield( p_vout );
if( p_playlist != NULL )
{
vlc_value_t val;
val.b_bool = true;
var_Set( p_playlist, "intf-popupmenu", val );
pl_Release( p_playlist );
}
}
break;
}
break;
/* Mouse button pressed */
case SDL_MOUSEBUTTONDOWN:
switch( event.button.button )
{
case SDL_BUTTON_LEFT:
var_Get( p_vout, "mouse-button-down", &val );
val.i_int |= 1;
var_Set( p_vout, "mouse-button-down", val );
/* detect double-clicks */
if( ( mdate() - p_vout->p_sys->i_lastpressed ) < 300000 )
p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
p_vout->p_sys->i_lastpressed = mdate();
break;
case SDL_BUTTON_MIDDLE:
var_Get( p_vout, "mouse-button-down", &val );
val.i_int |= 2;
var_Set( p_vout, "mouse-button-down", val );
break;
case SDL_BUTTON_RIGHT:
var_Get( p_vout, "mouse-button-down", &val );
val.i_int |= 4;
var_Set( p_vout, "mouse-button-down", val );
break;
}
break;
/* Quit event (close the window) */
case SDL_QUIT:
{
playlist_t *p_playlist = pl_Yield( p_vout );
if( p_playlist != NULL )
{
playlist_Stop( p_playlist );
pl_Release( p_playlist );
}
}
break;
/* Key pressed */
case SDL_KEYDOWN:
/* convert the key if possible */
val.i_int = ConvertKey( event.key.keysym.sym );
if( !val.i_int )
{
/* Find the right caracter */
if( ( event.key.keysym.unicode & 0xff80 ) == 0 )
{
val.i_int = event.key.keysym.unicode & 0x7f;
/* FIXME: find a better solution than this
hack to find the right caracter */
if( val.i_int >= 1 && val.i_int <= 26 )
val.i_int += 96;
else if( val.i_int >= 65 && val.i_int <= 90 )
val.i_int += 32;
}
}
if( val.i_int )
{
if( ( event.key.keysym.mod & KMOD_SHIFT ) )
{
val.i_int |= KEY_MODIFIER_SHIFT;
}
if( ( event.key.keysym.mod & KMOD_CTRL ) )
{
val.i_int |= KEY_MODIFIER_CTRL;
}
if( ( event.key.keysym.mod & KMOD_ALT ) )
{
val.i_int |= KEY_MODIFIER_ALT;
}
var_Set( p_vout->p_libvlc, "key-pressed", val );
}
default:
break;
}
}
/* Fullscreen change */
if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
{
vlc_value_t val_fs;
/* Update the object variable and trigger callback */
val_fs.b_bool = !p_vout->b_fullscreen;
p_vout->b_fullscreen = !p_vout->b_fullscreen;
var_Set( p_vout, "fullscreen", val_fs );
/*TODO: add the "always on top" code here !*/
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;
p_vout->i_changes |= VOUT_SIZE_CHANGE;
}
/* Crop or Aspect Ratio Changes */
if( p_vout->i_changes & VOUT_CROP_CHANGE ||
p_vout->i_changes & VOUT_ASPECT_CHANGE )
{
p_vout->i_changes &= ~VOUT_CROP_CHANGE;
p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
p_vout->i_changes |= VOUT_SIZE_CHANGE;
}
/* Size change */
if( p_vout->i_changes & VOUT_SIZE_CHANGE )
{
msg_Dbg( p_vout, "video display resized (%dx%d)",
p_vout->p_sys->i_width, p_vout->p_sys->i_height );
CloseDisplay( p_vout );
OpenDisplay( p_vout );
/* We don't need to signal the vout thread about the size change if
* we can handle rescaling ourselves */
if( p_vout->p_sys->p_overlay != NULL )
p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
}
/* Pointer change */
if( ! p_vout->p_sys->b_cursor_autohidden &&
( mdate() - p_vout->p_sys->i_lastmoved >
p_vout->p_sys->i_mouse_hide_timeout ) )
{
/* Hide the mouse automatically */
p_vout->p_sys->b_cursor_autohidden = 1;
SDL_ShowCursor( 0 );
}
return VLC_SUCCESS;
}
/*****************************************************************************
* Key events handling
*****************************************************************************/
static struct
{
SDLKey sdl_key;
int i_vlckey;
} sdlkeys_to_vlckeys[] =
{
{ SDLK_F1, KEY_F1 },
{ SDLK_F2, KEY_F2 },
{ SDLK_F3, KEY_F3 },
{ SDLK_F4, KEY_F4 },
{ SDLK_F5, KEY_F5 },
{ SDLK_F6, KEY_F6 },
{ SDLK_F7, KEY_F7 },
{ SDLK_F8, KEY_F8 },
{ SDLK_F9, KEY_F9 },
{ SDLK_F10, KEY_F10 },
{ SDLK_F11, KEY_F11 },
{ SDLK_F12, KEY_F12 },
{ SDLK_RETURN, KEY_ENTER },
{ SDLK_KP_ENTER, KEY_ENTER },
{ SDLK_SPACE, KEY_SPACE },
{ SDLK_ESCAPE, KEY_ESC },
{ SDLK_MENU, KEY_MENU },
{ SDLK_LEFT, KEY_LEFT },
{ SDLK_RIGHT, KEY_RIGHT },
{ SDLK_UP, KEY_UP },
{ SDLK_DOWN, KEY_DOWN },
{ SDLK_HOME, KEY_HOME },
{ SDLK_END, KEY_END },
{ SDLK_PAGEUP, KEY_PAGEUP },
{ SDLK_PAGEDOWN, KEY_PAGEDOWN },
{ SDLK_INSERT, KEY_INSERT },
{ SDLK_DELETE, KEY_DELETE },
/*TODO: find a equivalent for SDL
{ , KEY_MEDIA_NEXT_TRACK }
{ , KEY_MEDIA_PREV_TRACK }
{ , KEY_VOLUME_MUTE }
{ , KEY_VOLUME_DOWN }
{ , KEY_VOLUME_UP }
{ , KEY_MEDIA_PLAY_PAUSE }
{ , KEY_MEDIA_PLAY_PAUSE }*/
{ 0, 0 }
};
static int ConvertKey( SDLKey sdl_key )
{
int i;
for( i=0; sdlkeys_to_vlckeys[i].sdl_key != 0; i++ )
{
if( sdlkeys_to_vlckeys[i].sdl_key == sdl_key )
{
return sdlkeys_to_vlckeys[i].i_vlckey;
}
}
return 0;
}
/*****************************************************************************
* Display: displays previously rendered output
*****************************************************************************
* This function sends the currently rendered image to the display.
*****************************************************************************/
static void Display( vout_thread_t *p_vout, picture_t *p_pic )
{
unsigned int x, y, w, h;
SDL_Rect disp;
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 */
/*****************************************************************************
* OpenDisplay: open and initialize SDL device
*****************************************************************************
* Open and initialize display according to preferences specified in the vout
* thread fields.
*****************************************************************************/
static int OpenDisplay( vout_thread_t *p_vout )
{
uint32_t i_flags;
int i_bpp;
/* SDL fucked up fourcc definitions on bigendian machines */
uint32_t i_sdl_chroma;
char *psz_chroma = NULL;
uint32_t i_chroma = 0;
/* Set main window's size */
#if SDL_VERSION_ATLEAST(1,2,10)
p_vout->p_sys->i_width = p_vout->b_fullscreen ? p_vout->p_sys->i_desktop_width :
p_vout->i_window_width;
p_vout->p_sys->i_height = p_vout->b_fullscreen ? p_vout->p_sys->i_desktop_height :
p_vout->i_window_height;
#else
p_vout->p_sys->i_width = p_vout->b_fullscreen ? p_vout->output.i_width :
p_vout->i_window_width;
p_vout->p_sys->i_height = p_vout->b_fullscreen ? p_vout->output.i_height :
p_vout->i_window_height;
#endif
/* Initialize flags and cursor */
i_flags = SDL_ANYFORMAT | SDL_HWPALETTE | SDL_HWSURFACE | SDL_DOUBLEBUF;
i_flags |= p_vout->b_fullscreen ? SDL_FULLSCREEN : SDL_RESIZABLE;
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 )
{
msg_Err( p_vout, "no video mode available" );
return VLC_EGENERIC;
}
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 )
{
msg_Err( p_vout, "cannot set video mode" );
return VLC_EGENERIC;
}
SDL_LockSurface( p_vout->p_sys->p_display );
if( ( psz_chroma = config_GetPsz( p_vout, "sdl-chroma" ) ) )
{
if( strlen( psz_chroma ) >= 4 )
{
memcpy(&i_chroma, psz_chroma, 4);
msg_Dbg( p_vout, "Forcing chroma to 0x%.8x (%4.4s)", i_chroma, (char*)&i_chroma );
}
else
{
free( psz_chroma );
psz_chroma = NULL;
}
}
/* Choose the chroma we will try first. */
do
{
if( !psz_chroma ) i_chroma = 0;
switch( i_chroma ? i_chroma : p_vout->render.i_chroma )
{
case VLC_FOURCC('Y','U','Y','2'):
case VLC_FOURCC('Y','U','N','V'):
p_vout->output.i_chroma = VLC_FOURCC('Y','U','Y','2');
i_sdl_chroma = SDL_YUY2_OVERLAY;
break;
case VLC_FOURCC('U','Y','V','Y'):
case VLC_FOURCC('U','Y','N','V'):
case VLC_FOURCC('Y','4','2','2'):
p_vout->output.i_chroma = VLC_FOURCC('U','Y','V','Y');
i_sdl_chroma = SDL_UYVY_OVERLAY;
break;
case VLC_FOURCC('Y','V','Y','U'):
p_vout->output.i_chroma = VLC_FOURCC('Y','V','Y','U');
i_sdl_chroma = SDL_YVYU_OVERLAY;
break;
case VLC_FOURCC('Y','V','1','2'):
case VLC_FOURCC('I','4','2','0'):
case VLC_FOURCC('I','Y','U','V'):
default:
p_vout->output.i_chroma = VLC_FOURCC('Y','V','1','2');
i_sdl_chroma = SDL_YV12_OVERLAY;
break;
}
free( psz_chroma ); psz_chroma = NULL;
p_vout->p_sys->p_overlay =
SDL_CreateYUVOverlay( 32, 32, i_sdl_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 ... */
}
while( i_chroma && !p_vout->p_sys->p_overlay );
/* If this best choice failed, fall back to other chromas */
if( p_vout->p_sys->p_overlay == NULL )
{
p_vout->output.i_chroma = VLC_FOURCC('I','Y','U','V');
p_vout->p_sys->p_overlay =
SDL_CreateYUVOverlay( 32, 32, SDL_IYUV_OVERLAY,
p_vout->p_sys->p_display );
}
if( p_vout->p_sys->p_overlay == NULL )
{
p_vout->output.i_chroma = VLC_FOURCC('Y','V','1','2');
p_vout->p_sys->p_overlay =
SDL_CreateYUVOverlay( 32, 32, SDL_YV12_OVERLAY,
p_vout->p_sys->p_display );
}
if( p_vout->p_sys->p_overlay == NULL )
{
p_vout->output.i_chroma = VLC_FOURCC('Y','U','Y','2');
p_vout->p_sys->p_overlay =
SDL_CreateYUVOverlay( 32, 32, SDL_YUY2_OVERLAY,
p_vout->p_sys->p_display );
}
if( p_vout->p_sys->p_overlay == NULL )
{
msg_Warn( p_vout, "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 = VLC_FOURCC('R','G','B','2');
p_vout->output.pf_setpalette = SetPalette;
break;
case 15:
p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5');
break;
case 16:
p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6');
break;
case 24:
p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4');
break;
case 32:
p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2');
break;
default:
msg_Err( p_vout, "unknown screen depth %i",
p_vout->p_sys->p_display->format->BitsPerPixel );
SDL_UnlockSurface( p_vout->p_sys->p_display );
SDL_FreeSurface( p_vout->p_sys->p_display );
return VLC_EGENERIC;
}
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)" );
}
}
SDL_EventState( SDL_KEYUP, SDL_IGNORE ); /* ignore keys up */
return VLC_SUCCESS;
}
/*****************************************************************************
* CloseDisplay: close and reset SDL device
*****************************************************************************
* This function returns all resources allocated by OpenDisplay and restore
* the original state of the device.
*****************************************************************************/
static void CloseDisplay( vout_thread_t *p_vout )
{
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 )
{
/* RGB picture */
if( p_vout->p_sys->i_surfaces )
{
/* We already allocated this surface, return */
return VLC_EGENERIC;
}
p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
if( p_pic->p_sys == NULL )
{
return VLC_ENOMEM;
}
switch( p_vout->p_sys->p_display->format->BitsPerPixel )
{
case 8:
p_pic->p->i_pixel_pitch = 1;
break;
case 15:
case 16:
p_pic->p->i_pixel_pitch = 2;
break;
case 24:
case 32:
p_pic->p->i_pixel_pitch = 4;
break;
default:
return VLC_EGENERIC;
}
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_visible_lines = p_vout->p_sys->p_display->h;
p_pic->p->i_pitch = p_vout->p_sys->p_display->pitch;
p_pic->p->i_visible_pitch =
p_pic->p->i_pixel_pitch * 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 VLC_ENOMEM;
}
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 VLC_EGENERIC;
}
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_visible_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_pitch = 1;
p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w;
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_visible_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_pitch = 1;
p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
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_visible_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_pitch = 1;
p_pic->p[V_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
p_pic->i_planes = 3;
break;
case SDL_IYUV_OVERLAY:
p_pic->p[Y_PLANE].i_pixel_pitch = 1;
p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w;
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_visible_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_pitch = 1;
p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
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_visible_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_pitch = 1;
p_pic->p[V_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
p_pic->i_planes = 3;
break;
default:
p_pic->p[Y_PLANE].i_pixel_pitch = 2;
p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w * 2;
p_pic->i_planes = 1;
break;
}
}
return VLC_SUCCESS;
}
/*****************************************************************************
* SetPalette: sets an 8 bpp palette
*****************************************************************************/
static void SetPalette( vout_thread_t *p_vout,
uint16_t *red, uint16_t *green, uint16_t *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;
}
/* Set palette */
if( SDL_SetColors( p_vout->p_sys->p_display, colors, 0, 256 ) == 0 )
{
msg_Err( p_vout, "failed to set palette" );
}
}