git.sesse.net Git - vlc/blob - plugins/sdl/intf_sdl.c

   1 /*****************************************************************************
   2  * intf_sdl.c: SDL interface plugin
   3  *****************************************************************************
   4  * Copyright (C) 1999, 2000 VideoLAN
   5  * $Id: intf_sdl.c,v 1.23 2001/01/15 12:42:57 reno Exp $
   6  *
   7  * Authors:
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #include "defs.h"
  28
  29 #include <errno.h>
  30 #include <stdlib.h>
  31 #include <string.h>
  32 #include <SDL/SDL.h>                                /* for all the SDL stuff */
  33
  34 #include "config.h"
  35 #include "common.h"
  36 #include "threads.h"
  37 #include "mtime.h"
  38 #include "plugins.h"
  39
  40 #include "stream_control.h"
  41 #include "input_ext-intf.h"
  42
  43 #include "video.h"
  44 #include "video_output.h"
  45
  46
  47 #include "interface.h"
  48 #include "intf_msg.h"
  49 #include "keystrokes.h"
  50
  51 #include "main.h"
  52
  53 typedef struct vout_sys_s
  54 {
  55     int i_width;
  56     int i_height;
  57     SDL_Surface *   p_display;                             /* display device */
  58     SDL_Overlay *   p_overlay;
  59     boolean_t   b_fullscreen;
  60     boolean_t   b_reopen_display;
  61     boolean_t   b_toggle_fullscreen;
  62     Uint8   *   p_buffer[2];
  63                                                      /* Buffers informations */
  64 }   vout_sys_t;
  65
  66
  67 /* local prototype */
  68 void intf_SDL_Keymap( intf_thread_t * p_intf );
  69 void intf_SDL_Resize( intf_thread_t * p_intf, int width, int height );
  70 void intf_SDL_Fullscreen(intf_thread_t * p_intf);
  71 void intf_SDL_YUVSwitch(intf_thread_t * p_intf);
  72
  73
  74 /*****************************************************************************
  75  * intf_SDLCreate: initialize and create SDL interface
  76  *****************************************************************************/
  77 int intf_SDLCreate( intf_thread_t *p_intf )
  78 {
  79     /* Check that b_video is set */
  80     if( !p_main->b_video )
  81     {
  82         intf_ErrMsg( "error: SDL interface requires a video output thread" );
  83         return( 1 );
  84     }
  85
  86     /* Spawn video output thread */
  87     p_intf->p_vout = vout_CreateThread( main_GetPszVariable( VOUT_DISPLAY_VAR,
  88                                                              NULL), 0,
  89                                         main_GetIntVariable( VOUT_WIDTH_VAR,
  90                                                          VOUT_WIDTH_DEFAULT ),
  91                                         main_GetIntVariable( VOUT_HEIGHT_VAR,
  92                                                         VOUT_HEIGHT_DEFAULT ),
  93                                         NULL, 0, NULL );
  94
  95     if( p_intf->p_vout == NULL )                                  /* error */
  96     {
  97         intf_ErrMsg( "error: can't create video output thread" );
  98         free( p_intf->p_sys );
  99         return( 1 );
 100     }
 101     intf_SDL_Keymap( p_intf );
 102     return( 0 );
 103 }
 104
 105 /*****************************************************************************
 106  * intf_SDLDestroy: destroy interface
 107  *****************************************************************************/
 108 void intf_SDLDestroy( intf_thread_t *p_intf )
 109 {
 110     /* Close input thread, if any (blocking) */
 111     if( p_intf->p_input )
 112     {
 113         input_DestroyThread( p_intf->p_input, NULL );
 114     }
 115
 116     /* Close video output thread, if any (blocking) */
 117     if( p_intf->p_vout )
 118     {
 119         vout_DestroyThread( p_intf->p_vout, NULL );
 120     }
 121 }
 122
 123
 124 /*****************************************************************************
 125  * intf_SDLManage: event loop
 126  *****************************************************************************/
 127 void intf_SDLManage( intf_thread_t *p_intf )
 128 {
 129     SDL_Event event;                                            /* SDL event */
 130     Uint8   i_key;
 131
 132     while ( SDL_PollEvent(&event) )
 133     {
 134         i_key = event.key.keysym.sym;                          /* forward it */
 135
 136         switch (event.type) {
 137             case SDL_VIDEORESIZE:                      /* Resizing of window */
 138                 intf_SDL_Resize( p_intf, event.resize.w, event.resize.h );
 139                 break;
 140             case SDL_KEYDOWN:                         /* if a key is pressed */
 141                 switch(i_key) {
 142                                                     /* switch to fullscreen  */
 143                     case SDLK_f:
 144                         intf_SDL_Fullscreen(p_intf);
 145                         break;
 146                     case SDLK_y:
 147                         intf_SDL_YUVSwitch(p_intf);
 148                         break;
 149                   default :
 150                         if( intf_ProcessKey( p_intf, (char ) i_key ) )
 151                         {
 152                             intf_DbgMsg( "unhandled key '%c' (%i)",
 153                                          (char) i_key, i_key );
 154                         }
 155                         break;
 156                 }
 157                 break;
 158             case SDL_QUIT:
 159                 intf_ProcessKey( p_intf, SDLK_q );
 160                 break;
 161            default:
 162                 break;
 163         }
 164     }
 165 }
 166
 167 void intf_SDL_Resize( intf_thread_t * p_intf, int width, int height )
 168 {
 169     intf_Msg( "intf: video display resized (%dx%d)", width, height );
 170     vlc_mutex_lock( &p_intf->p_vout->change_lock );
 171     p_intf->p_vout->p_sys->i_width = width;
 172     p_intf->p_vout->p_sys->i_height = height;
 173     p_intf->p_vout->p_sys->b_reopen_display = 1;
 174     vlc_mutex_unlock( &p_intf->p_vout->change_lock );
 175 }
 176
 177 void intf_SDL_YUVSwitch(intf_thread_t * p_intf)
 178 {
 179     vlc_mutex_lock( &p_intf->p_vout->change_lock );
 180     p_intf->p_vout->b_need_render = 1 - p_intf->p_vout->b_need_render;
 181     intf_DbgMsg( "need render now : '%d'",p_intf->p_vout->b_need_render);
 182     p_intf->p_vout->p_sys->b_reopen_display = 1;
 183     vlc_mutex_unlock( &p_intf->p_vout->change_lock );
 184 }
 185 void intf_SDL_Fullscreen(intf_thread_t * p_intf)
 186 {
 187     vlc_mutex_lock( &p_intf->p_vout->change_lock );
 188     p_intf->p_vout->p_sys->b_fullscreen = 1-p_intf->p_vout->p_sys->b_fullscreen;
 189     p_intf->p_vout->p_sys->b_toggle_fullscreen = 1;
 190     vlc_mutex_unlock( &p_intf->p_vout->change_lock );
 191 }
 192
 193 void intf_SDL_Keymap(intf_thread_t * p_intf )
 194 {
 195     /* p_intf->p_intf_getKey = intf_getKey; */
 196     intf_AssignKey(p_intf, SDLK_q,      INTF_KEY_QUIT, 0);
 197     intf_AssignKey(p_intf, SDLK_ESCAPE, INTF_KEY_QUIT, 0);
 198     /* intf_AssignKey(p_intf,3,'Q'); */
 199     intf_AssignKey(p_intf, SDLK_0,      INTF_KEY_SET_CHANNEL,0);
 200     intf_AssignKey(p_intf, SDLK_1,      INTF_KEY_SET_CHANNEL,1);
 201     intf_AssignKey(p_intf, SDLK_2,      INTF_KEY_SET_CHANNEL,2);
 202     intf_AssignKey(p_intf, SDLK_3,      INTF_KEY_SET_CHANNEL,3);
 203     intf_AssignKey(p_intf, SDLK_4,      INTF_KEY_SET_CHANNEL,4);
 204     intf_AssignKey(p_intf, SDLK_5,      INTF_KEY_SET_CHANNEL,5);
 205     intf_AssignKey(p_intf, SDLK_6,      INTF_KEY_SET_CHANNEL,6);
 206     intf_AssignKey(p_intf, SDLK_7,      INTF_KEY_SET_CHANNEL,7);
 207     intf_AssignKey(p_intf, SDLK_8,      INTF_KEY_SET_CHANNEL,8);
 208     intf_AssignKey(p_intf, SDLK_9,      INTF_KEY_SET_CHANNEL,9);
 209     intf_AssignKey(p_intf, SDLK_PLUS,   INTF_KEY_INC_VOLUME, 0);
 210     intf_AssignKey(p_intf, SDLK_MINUS,  INTF_KEY_DEC_VOLUME, 0);
 211     intf_AssignKey(p_intf, SDLK_m,      INTF_KEY_TOGGLE_VOLUME, 0);
 212     /* intf_AssignKey(p_intf,'M','M'); */
 213     intf_AssignKey(p_intf, SDLK_g,      INTF_KEY_DEC_GAMMA, 0);
 214     /* intf_AssignKey(p_intf,'G','G'); */
 215     intf_AssignKey(p_intf, SDLK_c,      INTF_KEY_TOGGLE_GRAYSCALE, 0);
 216     intf_AssignKey(p_intf, SDLK_SPACE,  INTF_KEY_TOGGLE_INTERFACE, 0);
 217     intf_AssignKey(p_intf, SDLK_i,         INTF_KEY_TOGGLE_INFO, 0);
 218     intf_AssignKey(p_intf, SDLK_s,      INTF_KEY_TOGGLE_SCALING, 0);
 219
 220 }
 221