* fb.c : framebuffer plugin for vlc
*****************************************************************************
* Copyright (C) 2000, 2001 VideoLAN
+ * $Id: fb.c,v 1.16 2002/03/17 17:00:38 sam Exp $
*
* Authors: Samuel Hocevar <sam@zoy.org>
*
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
-#define MODULE_NAME fb
-
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include "defs.h"
+#include <errno.h> /* ENOMEM */
+#include <signal.h> /* SIGUSR1, SIGUSR2 */
+#include <stdlib.h> /* free() */
+#include <string.h> /* strerror() */
+#include <fcntl.h> /* open() */
+#include <unistd.h> /* close() */
+
+#include <termios.h> /* struct termios */
+#include <sys/ioctl.h>
+#include <sys/mman.h> /* mmap() */
-#include <stdlib.h> /* malloc(), free() */
+#include <linux/fb.h>
+#include <linux/vt.h> /* VT_* */
+#include <linux/kd.h> /* KD* */
-#include "config.h"
-#include "common.h" /* boolean_t, byte_t */
-#include "threads.h"
-#include "mtime.h"
+#include <videolan/vlc.h>
#include "video.h"
#include "video_output.h"
-#include "modules.h"
-#include "modules_inner.h"
+/*****************************************************************************
+ * Capabilities defined in the other files.
+ *****************************************************************************/
+static void vout_getfunctions( function_list_t * p_function_list );
+
+static int vout_Create ( vout_thread_t * );
+static void vout_Destroy ( vout_thread_t * );
+static void vout_Render ( vout_thread_t *, picture_t * );
+static void vout_Display ( vout_thread_t *, picture_t * );
+static int vout_Manage ( vout_thread_t * );
+static int vout_Init ( vout_thread_t * );
+static void vout_End ( vout_thread_t * );
+
+static int OpenDisplay ( vout_thread_t * );
+static void CloseDisplay ( vout_thread_t * );
+static void SwitchDisplay ( int i_signal );
+static void TextMode ( int i_tty );
+static void GfxMode ( int i_tty );
/*****************************************************************************
* Building configuration tree
*****************************************************************************/
+#define FB_DEV_VAR "fb_dev"
+
MODULE_CONFIG_START
-ADD_WINDOW( "Configuration for framebuffer module" )
- ADD_COMMENT( "For now, the framebuffer module cannot be configured" )
-MODULE_CONFIG_END
+ADD_CATEGORY_HINT( "Misc Options", NULL )
+ADD_STRING ( FB_DEV_VAR, "/dev/fb0", NULL,"framebuffer device",NULL )
+MODULE_CONFIG_STOP
+
+MODULE_INIT_START
+ SET_DESCRIPTION( "Linux console framebuffer module" )
+ ADD_CAPABILITY( VOUT, 30 )
+ ADD_SHORTCUT( "fb" )
+MODULE_INIT_STOP
+
+MODULE_ACTIVATE_START
+ vout_getfunctions( &p_module->p_functions->vout );
+MODULE_ACTIVATE_STOP
+
+MODULE_DEACTIVATE_START
+MODULE_DEACTIVATE_STOP
/*****************************************************************************
- * Capabilities defined in the other files.
- ******************************************************************************/
-extern void vout_getfunctions( function_list_t * p_function_list );
+ * vout_sys_t: video output framebuffer method descriptor
+ *****************************************************************************
+ * This structure is part of the video output thread descriptor.
+ * It describes the FB specific properties of an output thread.
+ *****************************************************************************/
+typedef struct vout_sys_s
+{
+ /* System informations */
+ int i_tty; /* tty device handle */
+ struct termios old_termios;
+
+ /* Original configuration informations */
+ struct sigaction sig_usr1; /* USR1 previous handler */
+ struct sigaction sig_usr2; /* USR2 previous handler */
+ struct vt_mode vt_mode; /* previous VT mode */
+
+ /* Framebuffer information */
+ int i_fd; /* device handle */
+ struct fb_var_screeninfo old_info; /* original mode informations */
+ struct fb_var_screeninfo var_info; /* current mode informations */
+ boolean_t b_pan; /* does device supports panning ? */
+ struct fb_cmap fb_cmap; /* original colormap */
+ u16 *p_palette; /* original palette */
+
+ /* Video information */
+ int i_width;
+ int i_height;
+ int i_bytes_per_pixel;
+
+ /* Video memory */
+ byte_t * p_video; /* base adress */
+ size_t i_page_size; /* page size */
+
+} vout_sys_t;
+
+/*****************************************************************************
+ * Functions exported as capabilities. They are declared as static so that
+ * we don't pollute the namespace too much.
+ *****************************************************************************/
+static void vout_getfunctions( function_list_t * p_function_list )
+{
+ p_function_list->functions.vout.pf_create = vout_Create;
+ p_function_list->functions.vout.pf_init = vout_Init;
+ p_function_list->functions.vout.pf_end = vout_End;
+ p_function_list->functions.vout.pf_destroy = vout_Destroy;
+ p_function_list->functions.vout.pf_manage = vout_Manage;
+ p_function_list->functions.vout.pf_render = vout_Render;
+ p_function_list->functions.vout.pf_display = vout_Display;
+}
/*****************************************************************************
- * InitModule: get the module structure and configuration.
+ * vout_Create: allocates FB video thread output method
*****************************************************************************
- * We have to fill psz_name, psz_longname and psz_version. These variables
- * will be strdup()ed later by the main application because the module can
- * be unloaded later to save memory, and we want to be able to access this
- * data even after the module has been unloaded.
+ * This function allocates and initializes a FB vout method.
*****************************************************************************/
-int InitModule( module_t * p_module )
+static int vout_Create( vout_thread_t *p_vout )
{
- p_module->psz_name = MODULE_STRING;
- p_module->psz_longname = "Linux console framebuffer module";
- p_module->psz_version = VERSION;
+ struct sigaction sig_tty; /* sigaction for tty change */
+ struct vt_mode vt_mode; /* vt current mode */
+ struct termios new_termios;
- p_module->i_capabilities = MODULE_CAPABILITY_NULL
- | MODULE_CAPABILITY_VOUT;
+ /* Allocate instance and initialize some members */
+ p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
+ if( p_vout->p_sys == NULL )
+ {
+ return( 1 );
+ };
+
+ /* Set tty and fb devices */
+ p_vout->p_sys->i_tty = 0; /* 0 == /dev/tty0 == current console */
+
+ GfxMode( p_vout->p_sys->i_tty );
+
+ /* Set keyboard settings */
+ if (tcgetattr(0, &p_vout->p_sys->old_termios) == -1)
+ {
+ intf_ErrMsg( "intf error: tcgetattr" );
+ }
+
+ if (tcgetattr(0, &new_termios) == -1)
+ {
+ intf_ErrMsg( "intf error: tcgetattr" );
+ }
+
+ /* new_termios.c_lflag &= ~ (ICANON | ISIG);
+ new_termios.c_lflag |= (ECHO | ECHOCTL); */
+ new_termios.c_lflag &= ~ (ICANON);
+ new_termios.c_lflag &= ~(ECHO | ECHOCTL);
+ new_termios.c_iflag = 0;
+ new_termios.c_cc[VMIN] = 1;
+ new_termios.c_cc[VTIME] = 0;
+
+ if (tcsetattr(0, TCSAFLUSH, &new_termios) == -1)
+ {
+ intf_ErrMsg( "intf error: tcsetattr" );
+ }
+
+ ioctl( p_vout->p_sys->i_tty, VT_RELDISP, VT_ACKACQ );
+
+ /* Set-up tty signal handler to be aware of tty changes */
+ memset( &sig_tty, 0, sizeof( sig_tty ) );
+ sig_tty.sa_handler = SwitchDisplay;
+ sigemptyset( &sig_tty.sa_mask );
+ if( sigaction( SIGUSR1, &sig_tty, &p_vout->p_sys->sig_usr1 ) ||
+ sigaction( SIGUSR2, &sig_tty, &p_vout->p_sys->sig_usr2 ) )
+ {
+ intf_ErrMsg( "intf error: can't set up signal handler (%s)",
+ strerror(errno) );
+ tcsetattr(0, 0, &p_vout->p_sys->old_termios);
+ TextMode( p_vout->p_sys->i_tty );
+ free( p_vout->p_sys );
+ return( 1 );
+ }
+
+ /* Set-up tty according to new signal handler */
+ if( -1 == ioctl( p_vout->p_sys->i_tty,
+ VT_GETMODE, &p_vout->p_sys->vt_mode ) )
+ {
+ intf_ErrMsg( "intf error: cant get terminal mode (%s)",
+ strerror(errno) );
+ sigaction( SIGUSR1, &p_vout->p_sys->sig_usr1, NULL );
+ sigaction( SIGUSR2, &p_vout->p_sys->sig_usr2, NULL );
+ tcsetattr(0, 0, &p_vout->p_sys->old_termios);
+ TextMode( p_vout->p_sys->i_tty );
+ free( p_vout->p_sys );
+ return( 1 );
+ }
+ memcpy( &vt_mode, &p_vout->p_sys->vt_mode, sizeof( vt_mode ) );
+ vt_mode.mode = VT_PROCESS;
+ vt_mode.waitv = 0;
+ vt_mode.relsig = SIGUSR1;
+ vt_mode.acqsig = SIGUSR2;
+
+ if( -1 == ioctl( p_vout->p_sys->i_tty, VT_SETMODE, &vt_mode ) )
+ {
+ intf_ErrMsg( "intf error: can't set terminal mode (%s)",
+ strerror(errno) );
+ sigaction( SIGUSR1, &p_vout->p_sys->sig_usr1, NULL );
+ sigaction( SIGUSR2, &p_vout->p_sys->sig_usr2, NULL );
+ tcsetattr(0, 0, &p_vout->p_sys->old_termios);
+ TextMode( p_vout->p_sys->i_tty );
+ free( p_vout->p_sys );
+ return( 1 );
+ }
+
+ if( OpenDisplay( p_vout ) )
+ {
+ ioctl( p_vout->p_sys->i_tty, VT_SETMODE, &p_vout->p_sys->vt_mode );
+ sigaction( SIGUSR1, &p_vout->p_sys->sig_usr1, NULL );
+ sigaction( SIGUSR2, &p_vout->p_sys->sig_usr2, NULL );
+ tcsetattr(0, 0, &p_vout->p_sys->old_termios);
+ TextMode( p_vout->p_sys->i_tty );
+ free( p_vout->p_sys );
+ return( 1 );
+ }
return( 0 );
}
/*****************************************************************************
- * ActivateModule: set the module to an usable state.
- *****************************************************************************
- * This function fills the capability functions and the configuration
- * structure. Once ActivateModule() has been called, the i_usage can
- * be set to 0 and calls to NeedModule() be made to increment it. To unload
- * the module, one has to wait until i_usage == 0 and call DeactivateModule().
+ * vout_Init: initialize framebuffer video thread output method
*****************************************************************************/
-int ActivateModule( module_t * p_module )
+static int vout_Init( vout_thread_t *p_vout )
{
- p_module->p_functions = malloc( sizeof( module_functions_t ) );
- if( p_module->p_functions == NULL )
+ int i_index;
+ picture_t *p_pic;
+
+ I_OUTPUTPICTURES = 0;
+
+ /* Initialize the output structure: RGB with square pixels, whatever
+ * the input format is, since it's the only format we know */
+ switch( p_vout->p_sys->var_info.bits_per_pixel )
{
- return( -1 );
+ case 8: /* FIXME: set the palette */
+ p_vout->output.i_chroma = FOURCC_RGB2; break;
+ case 15:
+ p_vout->output.i_chroma = FOURCC_RV15; break;
+ case 16:
+ p_vout->output.i_chroma = FOURCC_RV16; break;
+ case 24:
+ p_vout->output.i_chroma = FOURCC_RV24; break;
+ case 32:
+ p_vout->output.i_chroma = FOURCC_RV32; break;
+ default:
+ intf_ErrMsg( "vout error: unknown screen depth" );
+ return 0;
}
- vout_getfunctions( &p_module->p_functions->vout );
+ /* Only useful for p_vout->p_sys->var_info.bits_per_pixel != 8 */
+ p_vout->output.i_rmask = ( (1 << p_vout->p_sys->var_info.red.length) - 1 )
+ << p_vout->p_sys->var_info.red.offset;
+ p_vout->output.i_gmask = ( (1 << p_vout->p_sys->var_info.green.length) - 1 )
+ << p_vout->p_sys->var_info.green.offset;
+ p_vout->output.i_bmask = ( (1 << p_vout->p_sys->var_info.blue.length) - 1 )
+ << p_vout->p_sys->var_info.blue.offset;
+
+ p_vout->output.i_width = p_vout->p_sys->i_width;
+ p_vout->output.i_height = p_vout->p_sys->i_height;
+
+ /* Assume we have square pixels */
+ p_vout->output.i_aspect = p_vout->p_sys->i_width
+ * VOUT_ASPECT_FACTOR / p_vout->p_sys->i_height;
+
+ /* Clear the screen */
+ memset( p_vout->p_sys->p_video, 0, p_vout->p_sys->i_page_size );
+
+ /* Try to initialize 1 direct buffer */
+ 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( p_pic == NULL )
+ {
+ return 0;
+ }
+
+ /* We know the chroma, allocate a buffer which will be used
+ * directly by the decoder */
+ p_pic->p->p_pixels = p_vout->p_sys->p_video;
+ p_pic->p->i_pixel_bytes = p_vout->p_sys->i_bytes_per_pixel;
+ p_pic->p->i_lines = p_vout->p_sys->var_info.yres;
+
+ if( p_vout->p_sys->var_info.xres_virtual )
+ {
+ p_pic->p->b_margin = 1;
+ p_pic->p->b_hidden = 1;
+ p_pic->p->i_pitch = p_vout->p_sys->var_info.xres_virtual
+ * p_vout->p_sys->i_bytes_per_pixel;
+ p_pic->p->i_visible_bytes = p_vout->p_sys->var_info.xres
+ * p_vout->p_sys->i_bytes_per_pixel;
+ }
+ else
+ {
+ p_pic->p->b_margin = 0;
+ p_pic->p->i_pitch = p_vout->p_sys->var_info.xres
+ * p_vout->p_sys->i_bytes_per_pixel;
+ }
- p_module->p_config = p_config;
+ p_pic->i_planes = 1;
+
+ p_pic->i_status = DESTROYED_PICTURE;
+ p_pic->i_type = DIRECT_PICTURE;
+
+ PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
+
+ I_OUTPUTPICTURES++;
return( 0 );
}
/*****************************************************************************
- * DeactivateModule: make sure the module can be unloaded.
+ * vout_End: terminate framebuffer video thread output method
+ *****************************************************************************/
+static void vout_End( vout_thread_t *p_vout )
+{
+ /* Clear the screen */
+ memset( p_vout->p_sys->p_video, 0, p_vout->p_sys->i_page_size );
+}
+
+/*****************************************************************************
+ * vout_Destroy: destroy FB video thread output method
+ *****************************************************************************
+ * Terminate an output method created by vout_CreateOutputMethod
+ *****************************************************************************/
+static void vout_Destroy( vout_thread_t *p_vout )
+{
+ CloseDisplay( p_vout );
+
+ /* Reset the terminal */
+ ioctl( p_vout->p_sys->i_tty, VT_SETMODE, &p_vout->p_sys->vt_mode );
+
+ /* Remove signal handlers */
+ sigaction( SIGUSR1, &p_vout->p_sys->sig_usr1, NULL );
+ sigaction( SIGUSR2, &p_vout->p_sys->sig_usr2, NULL );
+
+ /* Reset the keyboard state */
+ tcsetattr( 0, 0, &p_vout->p_sys->old_termios );
+
+ /* Return to text mode */
+ TextMode( p_vout->p_sys->i_tty );
+
+ /* Destroy structure */
+ free( p_vout->p_sys );
+}
+
+/*****************************************************************************
+ * vout_Manage: handle FB events
+ *****************************************************************************
+ * This function should be called regularly by video output thread. It manages
+ * console events. It returns a non null value on error.
+ *****************************************************************************/
+static int vout_Manage( vout_thread_t *p_vout )
+{
+#if 0
+ u8 buf;
+
+ if ( read(0, &buf, 1) == 1)
+ {
+ switch( buf )
+ {
+ case 'q':
+ p_main->p_intf->b_die = 1;
+ break;
+
+ default:
+ break;
+ }
+ }
+#endif
+
+ /*
+ * Size change
+ */
+ if( p_vout->i_changes & VOUT_SIZE_CHANGE )
+ {
+ intf_WarnMsg( 3, "vout: reinitializing framebuffer screen" );
+ p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
+
+ /* Destroy XImages to change their size */
+ vout_End( p_vout );
+
+ /* Recreate XImages. If SysInit failed, the thread can't go on. */
+ if( vout_Init( p_vout ) )
+ {
+ intf_ErrMsg("error: cannot reinit framebuffer screen" );
+ return( 1 );
+ }
+
+ /* Clear screen */
+ memset( p_vout->p_sys->p_video, 0, p_vout->p_sys->i_page_size );
+
+#if 0
+ /* Tell the video output thread that it will need to rebuild YUV
+ * tables. This is needed since conversion buffer size may have changed */
+ p_vout->i_changes |= VOUT_YUV_CHANGE;
+#endif
+ }
+
+ return 0;
+}
+
+/*****************************************************************************
+ * vout_Render: renders previously calculated output
+ *****************************************************************************/
+static void vout_Render( vout_thread_t *p_vout, picture_t *p_pic )
+{
+ ;
+}
+
+/*****************************************************************************
+ * vout_Display: displays previously rendered output
*****************************************************************************
- * This function must only be called when i_usage == 0. If it successfully
- * returns, i_usage can be set to -1 and the module unloaded. Be careful to
- * lock usage_lock during the whole process.
+ * This function send the currently rendered image to FB image, waits until
+ * it is displayed and switch the two rendering buffers, preparing next frame.
+ *****************************************************************************/
+static void vout_Display( vout_thread_t *p_vout, picture_t *p_pic )
+{
+ /* swap the two Y offsets if the drivers supports panning */
+ if( p_vout->p_sys->b_pan )
+ {
+ p_vout->p_sys->var_info.yoffset = 0;
+ //p_vout->p_sys->var_info.yoffset = p_vout->p_sys->var_info.yres;
+
+ /* the X offset should be 0, but who knows ...
+ * some other app might have played with the framebuffer */
+ p_vout->p_sys->var_info.xoffset = 0;
+
+ ioctl( p_vout->p_sys->i_fd,
+ FBIOPAN_DISPLAY, &p_vout->p_sys->var_info );
+ }
+}
+
+#if 0
+static void vout_SetPalette( p_vout_thread_t p_vout,
+ u16 *red, u16 *green, u16 *blue, u16 *transp )
+{
+ struct fb_cmap cmap = { 0, 256, red, green, blue, transp };
+
+ ioctl( p_vout->p_sys->i_fd, FBIOPUTCMAP, &cmap );
+}
+#endif
+
+/* following functions are local */
+
+/*****************************************************************************
+ * OpenDisplay: initialize framebuffer
*****************************************************************************/
-int DeactivateModule( module_t * p_module )
+static int OpenDisplay( vout_thread_t *p_vout )
{
- free( p_module->p_functions );
+ char *psz_device; /* framebuffer device path */
+ struct fb_fix_screeninfo fix_info; /* framebuffer fix information */
+
+ /* Open framebuffer device */
+ if( !(psz_device = config_GetPszVariable( FB_DEV_VAR )) )
+ {
+ intf_ErrMsg( "vout error: don't know which fb device to open" );
+ return( 1 );
+ }
+
+ p_vout->p_sys->i_fd = open( psz_device, O_RDWR);
+
+ if( p_vout->p_sys->i_fd == -1 )
+ {
+ intf_ErrMsg("vout error: can't open %s (%s)",
+ psz_device, strerror(errno) );
+ free( psz_device );
+ return( 1 );
+ }
+ free( psz_device );
+
+ /* Get framebuffer device informations */
+ if( ioctl( p_vout->p_sys->i_fd,
+ FBIOGET_VSCREENINFO, &p_vout->p_sys->var_info ) )
+ {
+ intf_ErrMsg("vout error: can't get fb info (%s)", strerror(errno) );
+ close( p_vout->p_sys->i_fd );
+ return( 1 );
+ }
+
+ if( ioctl( p_vout->p_sys->i_fd,
+ FBIOGET_VSCREENINFO, &p_vout->p_sys->old_info ) )
+ {
+ intf_ErrMsg("vout error: can't get 2nd fb info (%s)", strerror(errno) );
+ close( p_vout->p_sys->i_fd );
+ return( 1 );
+ }
+
+ /* Set some attributes */
+ p_vout->p_sys->var_info.activate = FB_ACTIVATE_NXTOPEN;
+ p_vout->p_sys->var_info.xoffset = 0;
+ p_vout->p_sys->var_info.yoffset = 0;
+
+ if( ioctl( p_vout->p_sys->i_fd,
+ FBIOPUT_VSCREENINFO, &p_vout->p_sys->var_info ) )
+ {
+ intf_ErrMsg(" vout error: can't set fb info (%s)", strerror(errno) );
+ close( p_vout->p_sys->i_fd );
+ return( 1 );
+ }
+
+ /* Get some informations again, in the definitive configuration */
+ if( ioctl( p_vout->p_sys->i_fd, FBIOGET_FSCREENINFO, &fix_info )
+ || ioctl( p_vout->p_sys->i_fd,
+ FBIOGET_VSCREENINFO, &p_vout->p_sys->var_info ) )
+ {
+ intf_ErrMsg( "vout error: can't get additional fb info (%s)",
+ strerror(errno) );
+
+ /* Restore fb config */
+ ioctl( p_vout->p_sys->i_fd,
+ FBIOPUT_VSCREENINFO, &p_vout->p_sys->var_info );
+
+ close( p_vout->p_sys->i_fd );
+ return( 1 );
+ }
+
+ /* FIXME: if the image is full-size, it gets cropped on the left
+ * because of the xres / xres_virtual slight difference */
+ intf_WarnMsg( 3, "vout: %ix%i (virtual %ix%i)",
+ p_vout->p_sys->var_info.xres, p_vout->p_sys->var_info.yres,
+ p_vout->p_sys->var_info.xres_virtual,
+ p_vout->p_sys->var_info.yres_virtual );
+
+ p_vout->p_sys->i_height = p_vout->p_sys->var_info.yres;
+ p_vout->p_sys->i_width = p_vout->p_sys->var_info.xres_virtual
+ ? p_vout->p_sys->var_info.xres_virtual
+ : p_vout->p_sys->var_info.xres;
+
+ p_vout->p_sys->p_palette = NULL;
+ p_vout->p_sys->b_pan = ( fix_info.ypanstep || fix_info.ywrapstep );
+
+ switch( p_vout->p_sys->var_info.bits_per_pixel )
+ {
+ case 8:
+ p_vout->p_sys->p_palette = malloc( 8 * 256 * sizeof( u16 ) );
+ p_vout->p_sys->fb_cmap.start = 0;
+ p_vout->p_sys->fb_cmap.len = 256;
+ p_vout->p_sys->fb_cmap.red = p_vout->p_sys->p_palette;
+ p_vout->p_sys->fb_cmap.green = p_vout->p_sys->p_palette + 256 * sizeof( u16 );
+ p_vout->p_sys->fb_cmap.blue = p_vout->p_sys->p_palette + 2 * 256 * sizeof( u16 );
+ p_vout->p_sys->fb_cmap.transp = p_vout->p_sys->p_palette + 3 * 256 * sizeof( u16 );
+
+ /* Save the colormap */
+ ioctl( p_vout->p_sys->i_fd, FBIOGETCMAP, &p_vout->p_sys->fb_cmap );
+ p_vout->p_sys->i_bytes_per_pixel = 1;
+ break;
+
+ case 15:
+ case 16:
+ p_vout->p_sys->i_bytes_per_pixel = 2;
+ break;
+
+ case 24:
+ p_vout->p_sys->i_bytes_per_pixel = 3;
+ break;
+
+ case 32:
+ p_vout->p_sys->i_bytes_per_pixel = 4;
+ break;
+
+ default:
+ intf_ErrMsg( "vout error: screen depth %d is not supported",
+ p_vout->p_sys->var_info.bits_per_pixel );
+
+ /* Restore fb config */
+ ioctl( p_vout->p_sys->i_fd,
+ FBIOPUT_VSCREENINFO, &p_vout->p_sys->var_info );
+
+ close( p_vout->p_sys->i_fd );
+ return 1;
+ }
+
+ p_vout->p_sys->i_page_size = p_vout->p_sys->i_width *
+ p_vout->p_sys->i_height * p_vout->p_sys->i_bytes_per_pixel;
+
+ /* Map a framebuffer at the beginning */
+ p_vout->p_sys->p_video = mmap( 0, p_vout->p_sys->i_page_size,
+ PROT_READ | PROT_WRITE, MAP_SHARED,
+ p_vout->p_sys->i_fd, 0 );
+
+ if( p_vout->p_sys->p_video == ((void*)-1) )
+ {
+ intf_ErrMsg( "vout error: can't map video memory (%s)",
+ strerror(errno) );
+
+ if( p_vout->p_sys->var_info.bits_per_pixel == 8 )
+ {
+ free( p_vout->p_sys->p_palette );
+ }
+
+ /* Restore fb config */
+ ioctl( p_vout->p_sys->i_fd,
+ FBIOPUT_VSCREENINFO, &p_vout->p_sys->var_info );
+
+ close( p_vout->p_sys->i_fd );
+ return( 1 );
+ }
+
+ intf_WarnMsg( 4, "vout: framebuffer type=%d, visual=%d, ypanstep=%d, "
+ "ywrap=%d, accel=%d", fix_info.type, fix_info.visual,
+ fix_info.ypanstep, fix_info.ywrapstep, fix_info.accel );
return( 0 );
}
+/*****************************************************************************
+ * CloseDisplay: terminate FB video thread output method
+ *****************************************************************************/
+static void CloseDisplay( vout_thread_t *p_vout )
+{
+ /* Clear display */
+ memset( p_vout->p_sys->p_video, 0, p_vout->p_sys->i_page_size );
+
+ /* Restore palette */
+ if( p_vout->p_sys->var_info.bits_per_pixel == 8 );
+ {
+ ioctl( p_vout->p_sys->i_fd,
+ FBIOPUTCMAP, &p_vout->p_sys->fb_cmap );
+ free( p_vout->p_sys->p_palette );
+ }
+
+ /* Restore fb config */
+ ioctl( p_vout->p_sys->i_fd,
+ FBIOPUT_VSCREENINFO, &p_vout->p_sys->var_info );
+
+ /* Close fb */
+ close( p_vout->p_sys->i_fd );
+}
+
+/*****************************************************************************
+ * SwitchDisplay: VT change signal handler
+ *****************************************************************************
+ * This function activates or deactivates the output of the thread. It is
+ * called by the VT driver, on terminal change.
+ *****************************************************************************/
+static void SwitchDisplay(int i_signal)
+{
+#if 0
+ vout_thread_t *p_vout;
+
+ vlc_mutex_lock( &p_vout_bank->lock );
+
+ /* XXX: only test the first video output */
+ if( p_vout_bank->i_count )
+ {
+ p_vout = p_vout_bank->pp_vout[0];
+
+ switch( i_signal )
+ {
+ case SIGUSR1: /* vt has been released */
+ p_vout->b_active = 0;
+ ioctl( p_vout->p_sys->i_tty, VT_RELDISP, 1 );
+ break;
+ case SIGUSR2: /* vt has been acquired */
+ p_vout->b_active = 1;
+ ioctl( p_vout->p_sys->i_tty, VT_RELDISP, VT_ACTIVATE );
+ /* handle blanking */
+ vlc_mutex_lock( &p_vout->change_lock );
+ p_vout->i_changes |= VOUT_SIZE_CHANGE;
+ vlc_mutex_unlock( &p_vout->change_lock );
+ break;
+ }
+ }
+
+ vlc_mutex_unlock( &p_vout_bank->lock );
+#endif
+}
+
+/*****************************************************************************
+ * TextMode and GfxMode : switch tty to text/graphic mode
+ *****************************************************************************
+ * These functions toggle the tty mode.
+ *****************************************************************************/
+static void TextMode( int i_tty )
+{
+ /* return to text mode */
+ if( -1 == ioctl(i_tty, KDSETMODE, KD_TEXT) )
+ {
+ intf_ErrMsg( "intf error: failed ioctl KDSETMODE KD_TEXT" );
+ }
+}
+
+static void GfxMode( int i_tty )
+{
+ /* switch to graphic mode */
+ if( -1 == ioctl(i_tty, KDSETMODE, KD_GRAPHICS) )
+ {
+ intf_ErrMsg( "intf error: failed ioctl KDSETMODE KD_GRAPHICS" );
+ }
+}
+
projects / vlc / blobdiff