git.sesse.net Git - vlc/blob - plugins/fb/fb.c

   1 /*****************************************************************************
   2  * fb.c : Linux framebuffer plugin for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2000 VideoLAN
   5  *
   6  * Authors:
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  21  *****************************************************************************/
  22
  23 /*****************************************************************************
  24  * Preamble
  25  *****************************************************************************/
  26 #include "defs.h"
  27
  28 #include <sys/types.h>
  29 #include <sys/stat.h>
  30 #include <fcntl.h>
  31 #include <stdlib.h>                                      /* malloc(), free() */
  32 #include <unistd.h>                                               /* close() */
  33
  34 #include "config.h"
  35 #include "common.h"                                     /* boolean_t, byte_t */
  36 #include "threads.h"
  37 #include "mtime.h"
  38 #include "tests.h"
  39 #include "plugins.h"
  40
  41 #include "interface.h"
  42 #include "audio_output.h"
  43 #include "video.h"
  44 #include "video_output.h"
  45
  46 #include "main.h"
  47
  48 /*****************************************************************************
  49  * Exported prototypes
  50  *****************************************************************************/
  51 static void vout_GetPlugin( p_vout_thread_t p_vout );
  52 static void intf_GetPlugin( p_intf_thread_t p_intf );
  53
  54 /* Video output */
  55 int     vout_FBCreate       ( vout_thread_t *p_vout, char *psz_display,
  56                               int i_root_window, void *p_data );
  57 int     vout_FBInit         ( p_vout_thread_t p_vout );
  58 void    vout_FBEnd          ( p_vout_thread_t p_vout );
  59 void    vout_FBDestroy      ( p_vout_thread_t p_vout );
  60 int     vout_FBManage       ( p_vout_thread_t p_vout );
  61 void    vout_FBDisplay      ( p_vout_thread_t p_vout );
  62 void    vout_FBSetPalette   ( p_vout_thread_t p_vout,
  63                               u16 *red, u16 *green, u16 *blue, u16 *transp );
  64
  65 /* Interface */
  66 int     intf_FBCreate       ( p_intf_thread_t p_intf );
  67 void    intf_FBDestroy      ( p_intf_thread_t p_intf );
  68 void    intf_FBManage       ( p_intf_thread_t p_intf );
  69
  70 /*****************************************************************************
  71  * GetConfig: get the plugin structure and configuration
  72  *****************************************************************************/
  73 plugin_info_t * GetConfig( void )
  74 {
  75     int i_fd;
  76     plugin_info_t * p_info = (plugin_info_t *) malloc( sizeof(plugin_info_t) );
  77
  78     p_info->psz_name    = "Linux framebuffer";
  79     p_info->psz_version = VERSION;
  80     p_info->psz_author  = "the VideoLAN team <vlc@videolan.org>";
  81
  82     p_info->aout_GetPlugin = NULL;
  83     p_info->vout_GetPlugin = vout_GetPlugin;
  84     p_info->intf_GetPlugin = intf_GetPlugin;
  85     p_info->yuv_GetPlugin  = NULL;
  86
  87     /* Test if the device can be opened */
  88     if ( (i_fd = open( main_GetPszVariable( VOUT_FB_DEV_VAR,
  89                                             VOUT_FB_DEV_DEFAULT ),
  90                        O_RDWR )) < 0 )
  91     {
  92         p_info->i_score = 0;
  93     }
  94     else
  95     {
  96         close( i_fd );
  97         p_info->i_score = 0x100;
  98     }
  99
 100     if( TestProgram( "fbvlc" ) )
 101     {
 102         p_info->i_score += 0x180;
 103     }
 104
 105     /* If this plugin was requested, score it higher */
 106     if( TestMethod( VOUT_METHOD_VAR, "fb" ) )
 107     {
 108         p_info->i_score += 0x200;
 109     }
 110
 111     return( p_info );
 112 }
 113
 114 /*****************************************************************************
 115  * Following functions are only called through the p_info structure
 116  *****************************************************************************/
 117
 118 static void vout_GetPlugin( p_vout_thread_t p_vout )
 119 {
 120     p_vout->p_sys_create  = vout_FBCreate;
 121     p_vout->p_sys_init    = vout_FBInit;
 122     p_vout->p_sys_end     = vout_FBEnd;
 123     p_vout->p_sys_destroy = vout_FBDestroy;
 124     p_vout->p_sys_manage  = vout_FBManage;
 125     p_vout->p_sys_display = vout_FBDisplay;
 126
 127     /* optional functions */
 128     p_vout->p_set_palette = vout_FBSetPalette;
 129 }
 130
 131 static void intf_GetPlugin( p_intf_thread_t p_intf )
 132 {
 133     p_intf->p_sys_create  = intf_FBCreate;
 134     p_intf->p_sys_destroy = intf_FBDestroy;
 135     p_intf->p_sys_manage  = intf_FBManage;
 136 }
 137