mirror of
https://code.videolan.org/videolan/vlc
synced 2024-10-03 01:31:53 +02:00
937 lines
32 KiB
C
937 lines
32 KiB
C
/*****************************************************************************
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* sdl.c: SDL video output display method
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*****************************************************************************
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* Copyright (C) 1998-2001 the VideoLAN team
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* $Id$
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*
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* Authors: Samuel Hocevar <sam@zoy.org>
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* Pierre Baillet <oct@zoy.org>
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* Arnaud de Bossoreille de Ribou <bozo@via.ecp.fr>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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/*****************************************************************************
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* Preamble
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*****************************************************************************/
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#include <errno.h> /* ENOMEM */
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#include <stdlib.h> /* free() */
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#include <string.h> /* strerror() */
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#include <vlc/vlc.h>
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#include <vlc/intf.h>
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#include <vlc/vout.h>
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#include <vlc/aout.h>
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#include <sys/types.h>
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#ifndef WIN32
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# include <netinet/in.h> /* BSD: struct in_addr */
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#endif
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#include SDL_INCLUDE_FILE
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/* SDL is not able to crop overlays - so use only 1 direct buffer */
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#define SDL_MAX_DIRECTBUFFERS 1
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#define SDL_DEFAULT_BPP 16
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/*****************************************************************************
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* vout_sys_t: video output SDL method descriptor
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*****************************************************************************
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* This structure is part of the video output thread descriptor.
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* It describes the SDL specific properties of an output thread.
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*****************************************************************************/
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struct vout_sys_t
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{
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SDL_Surface * p_display; /* display device */
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int i_width;
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int i_height;
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/* For YUV output */
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SDL_Overlay * p_overlay; /* An overlay we keep to grab the XVideo port */
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/* For RGB output */
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int i_surfaces;
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vlc_bool_t b_cursor;
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vlc_bool_t b_cursor_autohidden;
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mtime_t i_lastmoved;
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mtime_t i_lastpressed; /* to track dbl-clicks */
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};
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/*****************************************************************************
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* picture_sys_t: direct buffer method descriptor
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*****************************************************************************
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* This structure is part of the picture descriptor, it describes the
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* SDL specific properties of a direct buffer.
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*****************************************************************************/
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struct picture_sys_t
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{
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SDL_Overlay *p_overlay;
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};
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/*****************************************************************************
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* Local prototypes
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*****************************************************************************/
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static int Open ( vlc_object_t * );
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static void Close ( vlc_object_t * );
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static int Init ( vout_thread_t * );
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static void End ( vout_thread_t * );
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static int Manage ( vout_thread_t * );
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static void Display ( vout_thread_t *, picture_t * );
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static int OpenDisplay ( vout_thread_t * );
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static void CloseDisplay ( vout_thread_t * );
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static int NewPicture ( vout_thread_t *, picture_t * );
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static void SetPalette ( vout_thread_t *,
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uint16_t *, uint16_t *, uint16_t * );
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/*****************************************************************************
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* Module descriptor
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*****************************************************************************/
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vlc_module_begin();
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set_shortname( "SDL" );
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set_category( CAT_VIDEO );
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set_subcategory( SUBCAT_VIDEO_VOUT );
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set_description( _("Simple DirectMedia Layer video output") );
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set_capability( "video output", 60 );
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add_shortcut( "sdl" );
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set_callbacks( Open, Close );
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/* XXX: check for conflicts with the SDL audio output */
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var_Create( p_module->p_libvlc_global, "sdl", VLC_VAR_MUTEX );
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#if defined( __i386__ ) || defined( __x86_64__ )
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/* On i386, SDL is linked against svgalib */
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linked_with_a_crap_library_which_uses_atexit();
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#endif
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vlc_module_end();
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/*****************************************************************************
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* OpenVideo: allocate SDL video thread output method
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*****************************************************************************
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* This function allocate and initialize a SDL vout method. It uses some of the
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* vout properties to choose the correct mode, and change them according to the
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* mode actually used.
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*****************************************************************************/
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static int Open ( vlc_object_t *p_this )
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{
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vout_thread_t * p_vout = (vout_thread_t *)p_this;
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vlc_value_t lockval;
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#ifdef HAVE_SETENV
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char *psz_method;
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#endif
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var_Get( p_this->p_libvlc_global, "sdl", &lockval );
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vlc_mutex_lock( lockval.p_address );
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if( SDL_WasInit( SDL_INIT_VIDEO ) != 0 )
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{
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vlc_mutex_unlock( lockval.p_address );
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return VLC_EGENERIC;
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}
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/* Allocate structure */
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p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
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if( p_vout->p_sys == NULL )
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{
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msg_Err( p_vout, "out of memory" );
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vlc_mutex_unlock( lockval.p_address );
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return VLC_ENOMEM;
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}
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p_vout->pf_init = Init;
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p_vout->pf_end = End;
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p_vout->pf_manage = Manage;
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p_vout->pf_render = NULL;
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p_vout->pf_display = Display;
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#ifdef HAVE_SETENV
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psz_method = config_GetPsz( p_vout, "vout" );
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if( psz_method )
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{
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while( *psz_method && *psz_method != ':' )
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{
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psz_method++;
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}
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if( *psz_method )
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{
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setenv( "SDL_VIDEODRIVER", psz_method + 1, 1 );
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}
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}
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#endif
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/* Initialize library */
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if( SDL_Init( SDL_INIT_VIDEO
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#ifndef WIN32
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/* Win32 SDL implementation doesn't support SDL_INIT_EVENTTHREAD yet*/
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| SDL_INIT_EVENTTHREAD
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#endif
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#ifdef DEBUG
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/* In debug mode you may want vlc to dump a core instead of staying
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* stuck */
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| SDL_INIT_NOPARACHUTE
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#endif
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) < 0 )
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{
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msg_Err( p_vout, "cannot initialize SDL (%s)", SDL_GetError() );
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free( p_vout->p_sys );
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vlc_mutex_unlock( lockval.p_address );
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return VLC_EGENERIC;
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}
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vlc_mutex_unlock( lockval.p_address );
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p_vout->p_sys->b_cursor = 1;
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p_vout->p_sys->b_cursor_autohidden = 0;
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p_vout->p_sys->i_lastmoved = mdate();
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if( OpenDisplay( p_vout ) )
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{
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msg_Err( p_vout, "cannot set up SDL (%s)", SDL_GetError() );
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SDL_QuitSubSystem( SDL_INIT_VIDEO );
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free( p_vout->p_sys );
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return VLC_EGENERIC;
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}
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return VLC_SUCCESS;
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}
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/*****************************************************************************
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* Init: initialize SDL video thread output method
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*****************************************************************************
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* This function initialize the SDL display device.
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*****************************************************************************/
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static int Init( vout_thread_t *p_vout )
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{
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int i_index;
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picture_t *p_pic;
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p_vout->p_sys->i_surfaces = 0;
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I_OUTPUTPICTURES = 0;
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/* Initialize the output structure */
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if( p_vout->p_sys->p_overlay == NULL )
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{
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/* All we have is an RGB image with square pixels */
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p_vout->output.i_width = p_vout->p_sys->i_width;
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p_vout->output.i_height = p_vout->p_sys->i_height;
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p_vout->output.i_aspect = p_vout->output.i_width
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* VOUT_ASPECT_FACTOR
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/ p_vout->output.i_height;
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}
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else
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{
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/* We may need to convert the chroma, but at least we keep the
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* aspect ratio */
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p_vout->output.i_width = p_vout->render.i_width;
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p_vout->output.i_height = p_vout->render.i_height;
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p_vout->output.i_aspect = p_vout->render.i_aspect;
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}
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/* Try to initialize SDL_MAX_DIRECTBUFFERS direct buffers */
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while( I_OUTPUTPICTURES < SDL_MAX_DIRECTBUFFERS )
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{
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p_pic = NULL;
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/* Find an empty picture slot */
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for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
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{
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if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
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{
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p_pic = p_vout->p_picture + i_index;
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break;
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}
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}
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/* Allocate the picture if we found one */
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if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
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{
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break;
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}
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p_pic->i_status = DESTROYED_PICTURE;
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p_pic->i_type = DIRECT_PICTURE;
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PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
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I_OUTPUTPICTURES++;
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}
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return VLC_SUCCESS;
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}
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/*****************************************************************************
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* End: terminate Sys video thread output method
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*****************************************************************************
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* Terminate an output method created by OpenVideo
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*****************************************************************************/
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static void End( vout_thread_t *p_vout )
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{
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int i_index;
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/* Free the output buffers we allocated */
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for( i_index = I_OUTPUTPICTURES ; i_index ; )
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{
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i_index--;
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if( p_vout->p_sys->p_overlay == NULL )
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{
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/* RGB picture */
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}
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else
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{
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SDL_UnlockYUVOverlay(
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PP_OUTPUTPICTURE[ i_index ]->p_sys->p_overlay );
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SDL_FreeYUVOverlay(
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PP_OUTPUTPICTURE[ i_index ]->p_sys->p_overlay );
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}
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free( PP_OUTPUTPICTURE[ i_index ]->p_sys );
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}
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}
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/*****************************************************************************
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* CloseVideo: destroy Sys video thread output method
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*****************************************************************************
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* Terminate an output method created by vout_SDLCreate
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*****************************************************************************/
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static void Close ( vlc_object_t *p_this )
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{
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vout_thread_t * p_vout = (vout_thread_t *)p_this;
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CloseDisplay( p_vout );
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SDL_QuitSubSystem( SDL_INIT_VIDEO );
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free( p_vout->p_sys );
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}
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/*****************************************************************************
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* Manage: handle Sys events
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*****************************************************************************
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* This function should be called regularly by video output thread. It returns
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* a non null value if an error occurred.
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*****************************************************************************/
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static int Manage( vout_thread_t *p_vout )
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{
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SDL_Event event; /* SDL event */
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vlc_value_t val;
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unsigned int i_width, i_height, i_x, i_y;
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/* Process events */
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while( SDL_PollEvent(&event) )
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{
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switch( event.type )
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{
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case SDL_VIDEORESIZE: /* Resizing of window */
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/* Update dimensions */
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p_vout->i_changes |= VOUT_SIZE_CHANGE;
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p_vout->i_window_width = p_vout->p_sys->i_width = event.resize.w;
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p_vout->i_window_height = p_vout->p_sys->i_height = event.resize.h;
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break;
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case SDL_MOUSEMOTION:
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vout_PlacePicture( p_vout, p_vout->p_sys->i_width,
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p_vout->p_sys->i_height,
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&i_x, &i_y, &i_width, &i_height );
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val.i_int = ( event.motion.x - i_x )
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* p_vout->render.i_width / i_width;
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var_Set( p_vout, "mouse-x", val );
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val.i_int = ( event.motion.y - i_y )
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* p_vout->render.i_height / i_height;
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var_Set( p_vout, "mouse-y", val );
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val.b_bool = VLC_TRUE;
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var_Set( p_vout, "mouse-moved", val );
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if( p_vout->p_sys->b_cursor &&
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(abs(event.motion.xrel) > 2 || abs(event.motion.yrel) > 2) )
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{
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if( p_vout->p_sys->b_cursor_autohidden )
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{
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p_vout->p_sys->b_cursor_autohidden = 0;
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SDL_ShowCursor( 1 );
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}
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else
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{
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p_vout->p_sys->i_lastmoved = mdate();
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}
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}
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break;
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case SDL_MOUSEBUTTONUP:
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switch( event.button.button )
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{
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case SDL_BUTTON_LEFT:
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val.b_bool = VLC_TRUE;
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var_Set( p_vout, "mouse-clicked", val );
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break;
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case SDL_BUTTON_RIGHT:
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{
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intf_thread_t *p_intf;
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p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
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FIND_ANYWHERE );
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if( p_intf )
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{
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p_intf->b_menu_change = 1;
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vlc_object_release( p_intf );
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}
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}
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break;
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}
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break;
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case SDL_MOUSEBUTTONDOWN:
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switch( event.button.button )
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{
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case SDL_BUTTON_LEFT:
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/* In this part we will eventually manage
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* clicks for DVD navigation for instance. */
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/* detect double-clicks */
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if( ( mdate() - p_vout->p_sys->i_lastpressed ) < 300000 )
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p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
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p_vout->p_sys->i_lastpressed = mdate();
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break;
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case 4:
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break;
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case 5:
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break;
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}
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break;
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case SDL_QUIT:
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p_vout->p_libvlc->b_die = 1;
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break;
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case SDL_KEYDOWN: /* if a key is pressed */
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switch( event.key.keysym.sym )
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{
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case SDLK_ESCAPE:
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if( p_vout->b_fullscreen )
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{
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p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
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}
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else
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{
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p_vout->p_libvlc->b_die = 1;
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}
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break;
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case SDLK_q: /* quit */
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p_vout->p_libvlc->b_die = 1;
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break;
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case SDLK_f: /* switch to fullscreen */
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p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
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break;
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case SDLK_c: /* toggle grayscale */
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p_vout->b_grayscale = ! p_vout->b_grayscale;
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p_vout->i_changes |= VOUT_GRAYSCALE_CHANGE;
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break;
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case SDLK_i: /* toggle info */
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p_vout->b_info = ! p_vout->b_info;
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p_vout->i_changes |= VOUT_INFO_CHANGE;
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break;
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case SDLK_s: /* toggle scaling */
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p_vout->b_scale = ! p_vout->b_scale;
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p_vout->i_changes |= VOUT_SCALE_CHANGE;
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break;
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case SDLK_SPACE: /* toggle interface */
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p_vout->b_interface = ! p_vout->b_interface;
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p_vout->i_changes |= VOUT_INTF_CHANGE;
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break;
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case SDLK_MENU:
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{
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intf_thread_t *p_intf;
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p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
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FIND_ANYWHERE );
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if( p_intf != NULL )
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{
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p_intf->b_menu_change = 1;
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vlc_object_release( p_intf );
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}
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}
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break;
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case SDLK_LEFT:
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break;
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case SDLK_RIGHT:
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break;
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case SDLK_UP:
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break;
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case SDLK_DOWN:
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break;
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case SDLK_b:
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{
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audio_volume_t i_volume;
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if ( !aout_VolumeDown( p_vout, 1, &i_volume ) )
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{
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msg_Dbg( p_vout, "audio volume is now %d", i_volume );
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}
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else
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{
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msg_Dbg( p_vout, "audio volume: operation not supported" );
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}
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}
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break;
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case SDLK_n:
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{
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audio_volume_t i_volume;
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if ( !aout_VolumeUp( p_vout, 1, &i_volume ) )
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{
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msg_Dbg( p_vout, "audio volume is now %d", i_volume );
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}
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else
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{
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msg_Dbg( p_vout, "audio volume: operation not supported" );
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}
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}
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break;
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default:
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break;
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}
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break;
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default:
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break;
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}
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}
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/* Fullscreen change */
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if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
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{
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p_vout->b_fullscreen = ! p_vout->b_fullscreen;
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|
|
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;
|
|
}
|
|
|
|
/*
|
|
* 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 > 2000000 ) )
|
|
{
|
|
/* Hide the mouse automatically */
|
|
p_vout->p_sys->b_cursor_autohidden = 1;
|
|
SDL_ShowCursor( 0 );
|
|
}
|
|
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* 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;
|
|
|
|
/* Set main window's size */
|
|
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;
|
|
|
|
/* 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 );
|
|
|
|
/* Choose the chroma we will try first. */
|
|
switch( 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;
|
|
}
|
|
|
|
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 ... */
|
|
|
|
/* 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" );
|
|
}
|
|
}
|
|
|