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 1.34 2001/03/02 02:49:11 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 /* local prototype */
  54 void intf_SDL_Keymap( intf_thread_t * p_intf );
  55
  56 /*****************************************************************************
  57  * intf_SDLCreate: initialize and create SDL interface
  58  *****************************************************************************/
  59 int intf_SDLCreate( intf_thread_t *p_intf )
  60 {
  61     /* Check that b_video is set */
  62     if( !p_main->b_video )
  63     {
  64         intf_ErrMsg( "error: SDL interface requires a video output thread" );
  65         return( 1 );
  66     }
  67
  68     /* Spawn video output thread */
  69     p_intf->p_vout = vout_CreateThread( main_GetPszVariable( VOUT_DISPLAY_VAR,
  70                                                              NULL), 0,
  71                                         main_GetIntVariable( VOUT_WIDTH_VAR,
  72                                                          VOUT_WIDTH_DEFAULT ),
  73                                         main_GetIntVariable( VOUT_HEIGHT_VAR,
  74                                                         VOUT_HEIGHT_DEFAULT ),
  75                                         NULL, 0, NULL );
  76
  77     if( p_intf->p_vout == NULL )                                  /* error */
  78     {
  79         intf_ErrMsg( "error: can't create video output thread" );
  80         free( p_intf->p_sys );
  81         return( 1 );
  82     }
  83     intf_SDL_Keymap( p_intf );
  84     return( 0 );
  85 }
  86
  87 /*****************************************************************************
  88  * intf_SDLDestroy: destroy interface
  89  *****************************************************************************/
  90 void intf_SDLDestroy( intf_thread_t *p_intf )
  91 {
  92     /* Close input thread, if any (blocking) */
  93     if( p_intf->p_input )
  94     {
  95         input_DestroyThread( p_intf->p_input, NULL );
  96     }
  97
  98     /* Close video output thread, if any (blocking) */
  99     if( p_intf->p_vout )
 100     {
 101         vout_DestroyThread( p_intf->p_vout, NULL );
 102     }
 103 }
 104
 105
 106 /*****************************************************************************
 107  * intf_SDLManage: event loop
 108  *****************************************************************************/
 109 void intf_SDLManage( intf_thread_t *p_intf )
 110 {
 111     SDL_Event event;                                            /* SDL event */
 112     Uint8   i_key;
 113     int     i_rate;
 114
 115     while ( SDL_PollEvent(&event) )
 116     {
 117         switch (event.type)
 118         {
 119         case SDL_VIDEORESIZE:                           /* Resizing of window */
 120             intf_Msg( "intf: video display resized (%dx%d)", event.resize.w
 121                                                            , event.resize.h );
 122             vlc_mutex_lock( &p_intf->p_vout->change_lock );
 123             p_intf->p_vout->i_width = event.resize.w;
 124             p_intf->p_vout->i_height = event.resize.h;
 125             p_intf->p_vout->i_changes |= VOUT_SIZE_CHANGE;
 126             vlc_mutex_unlock( &p_intf->p_vout->change_lock );
 127             break;
 128
 129         case SDL_KEYDOWN:                              /* if a key is pressed */
 130             i_key = event.key.keysym.sym;
 131
 132             switch(i_key)
 133             {
 134             case SDLK_f:                              /* switch to fullscreen */
 135                 vlc_mutex_lock( &p_intf->p_vout->change_lock );
 136                 p_intf->p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 137                 vlc_mutex_unlock( &p_intf->p_vout->change_lock );
 138                 break;
 139
 140             case SDLK_y:                                /* switch to hard YUV */
 141                 vlc_mutex_lock( &p_intf->p_vout->change_lock );
 142                 p_intf->p_vout->i_changes |= VOUT_YUV_CHANGE;
 143                 vlc_mutex_unlock( &p_intf->p_vout->change_lock );
 144                 break;
 145
 146             /* FIXME : this is temporary */
 147             case SDLK_p:
 148                 if( p_intf->p_input->stream.control.i_status == PLAYING_S )
 149                 {
 150                     input_Pause( p_intf->p_input );
 151                 }
 152                 else
 153                 {
 154                     input_Play( p_intf->p_input );
 155                 }
 156                 break;
 157
 158             case SDLK_a:
 159                 i_rate = p_intf->p_input->stream.control.i_rate/2;
 160                 if ( i_rate >= MINIMAL_RATE )
 161                 {
 162                     input_Forward( p_intf->p_input, i_rate );
 163                 }
 164                 break;
 165
 166             case SDLK_z:
 167                 i_rate = p_intf->p_input->stream.control.i_rate*2;
 168                 if ( i_rate <= MAXIMAL_RATE )
 169                 {
 170                     /* Compensation of int truncature */
 171                     if ( i_rate > 500 && i_rate < 1000 )
 172                         i_rate = 1000;
 173                     input_Forward( p_intf->p_input, i_rate );
 174                 }
 175                 break;
 176
 177             case SDLK_j:
 178                 /* Jump forwards */
 179                 input_Seek( p_intf->p_input,
 180                             p_intf->p_input->stream.i_tell
 181                              + p_intf->p_input->stream.i_size / 20 );
 182                                                            /* gabuzomeu */
 183                 break;
 184
 185             case SDLK_b:
 186                 /* Jump backwards */
 187                 input_Seek( p_intf->p_input,
 188                             p_intf->p_input->stream.i_tell
 189                              - p_intf->p_input->stream.i_size / 20 );
 190                 break;
 191
 192             default:
 193                 if( intf_ProcessKey( p_intf, (char )i_key ) )
 194                 {
 195                    intf_DbgMsg( "unhandled key '%c' (%i)", (char)i_key, i_key );
 196                 }
 197                 break;
 198             }
 199             break;
 200
 201         case SDL_MOUSEBUTTONDOWN:
 202             if( event.button.button == SDL_BUTTON_MIDDLE )
 203             {
 204                 vlc_mutex_lock( &p_intf->p_vout->change_lock );
 205                 p_intf->p_vout->i_changes |= VOUT_CURSOR_CHANGE;
 206                 vlc_mutex_unlock( &p_intf->p_vout->change_lock );
 207             }
 208             break;
 209
 210         case SDL_QUIT:
 211             intf_ProcessKey( p_intf, SDLK_q );
 212             break;
 213
 214         default:
 215             break;
 216         }
 217     }
 218 }
 219
 220 void intf_SDL_Keymap(intf_thread_t * p_intf )
 221 {
 222     /* p_intf->p_intf_getKey = intf_getKey; */
 223     intf_AssignKey(p_intf, SDLK_q,      INTF_KEY_QUIT, 0);
 224     intf_AssignKey(p_intf, SDLK_ESCAPE, INTF_KEY_QUIT, 0);
 225     /* intf_AssignKey(p_intf,3,'Q'); */
 226     intf_AssignKey(p_intf, SDLK_0,      INTF_KEY_SET_CHANNEL,0);
 227     intf_AssignKey(p_intf, SDLK_1,      INTF_KEY_SET_CHANNEL,1);
 228     intf_AssignKey(p_intf, SDLK_2,      INTF_KEY_SET_CHANNEL,2);
 229     intf_AssignKey(p_intf, SDLK_3,      INTF_KEY_SET_CHANNEL,3);
 230     intf_AssignKey(p_intf, SDLK_4,      INTF_KEY_SET_CHANNEL,4);
 231     intf_AssignKey(p_intf, SDLK_5,      INTF_KEY_SET_CHANNEL,5);
 232     intf_AssignKey(p_intf, SDLK_6,      INTF_KEY_SET_CHANNEL,6);
 233     intf_AssignKey(p_intf, SDLK_7,      INTF_KEY_SET_CHANNEL,7);
 234     intf_AssignKey(p_intf, SDLK_8,      INTF_KEY_SET_CHANNEL,8);
 235     intf_AssignKey(p_intf, SDLK_9,      INTF_KEY_SET_CHANNEL,9);
 236     intf_AssignKey(p_intf, SDLK_PLUS,   INTF_KEY_INC_VOLUME, 0);
 237     intf_AssignKey(p_intf, SDLK_MINUS,  INTF_KEY_DEC_VOLUME, 0);
 238     /* Numpad keys support */
 239     intf_AssignKey(p_intf, 14,          INTF_KEY_INC_VOLUME, 0);
 240     intf_AssignKey(p_intf, 13,          INTF_KEY_DEC_VOLUME, 0);
 241
 242     intf_AssignKey(p_intf, SDLK_m,      INTF_KEY_TOGGLE_VOLUME, 0);
 243     /* intf_AssignKey(p_intf,'M','M'); */
 244     intf_AssignKey(p_intf, SDLK_g,      INTF_KEY_DEC_GAMMA, 0);
 245     /* intf_AssignKey(p_intf,'G','G'); */
 246     intf_AssignKey(p_intf, SDLK_c,      INTF_KEY_TOGGLE_GRAYSCALE, 0);
 247     intf_AssignKey(p_intf, SDLK_SPACE,  INTF_KEY_TOGGLE_INTERFACE, 0);
 248     intf_AssignKey(p_intf, SDLK_i,         INTF_KEY_TOGGLE_INFO, 0);
 249     intf_AssignKey(p_intf, SDLK_s,      INTF_KEY_TOGGLE_SCALING, 0);
 250
 251 }