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* Ported the framebuffer plugin to the new module API. As for most of the

Browse Source 
other video output modules, keyboard doesn't work. Except ^C to quit.
This commit is contained in:
Sam Hocevar 2001-02-18 10:24:20 +00:00
parent b0ab70c9bf
commit e630779bd0
8 changed files with 439 additions and 508 deletions
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1
Makefile.in
View File

@ -301,7 +301,6 @@ PLUGIN_ESD = plugins/esd/esd.o \
plugins/esd/aout_esd.o
PLUGIN_FB = plugins/fb/fb.o \
plugins/fb/intf_fb.o \
plugins/fb/vout_fb.o
PLUGIN_GGI = plugins/ggi/ggi.o \

2
configure vendored
View File

@ -3450,7 +3450,7 @@ fi
# Check whether --enable-fb or --disable-fb was given.
if test "${enable_fb+set}" = set; then
enableval="$enable_fb"
if test x$enable_fb = xyes; then PLUGINS=${PLUGINS}"fb "; ALIASES=${ALIASES}"fbvlc "; fi
if test x$enable_fb = xyes; then PLUGINS=${PLUGINS}"fb "; fi
fi
# Check whether --with-ggi or --without-ggi was given.

2
configure.in
View File

@ -156,7 +156,7 @@ AC_ARG_ENABLE(esd,
[if test x$enable_esd = xyes; then PLUGINS=${PLUGINS}"esd "; fi])
AC_ARG_ENABLE(fb,
[ --enable-fb Linux framebuffer support (default disabled)],
[if test x$enable_fb = xyes; then PLUGINS=${PLUGINS}"fb "; ALIASES=${ALIASES}"fbvlc "; fi])
[if test x$enable_fb = xyes; then PLUGINS=${PLUGINS}"fb "; fi])
AC_ARG_WITH(ggi,
[ --with-ggi[=name] GGI support (default disabled)],
[ PLUGINS=${PLUGINS}"ggi ";

7
include/config.h.in
View File

@ -369,12 +369,7 @@
#define VOUT_FB_DEV_VAR "vlc_fb_dev"
#define VOUT_FB_DEV_DEFAULT "/dev/fb0"
/* Some frame buffers aren't able to support double buffering.
* We don't want to lose one frame out of 2, so we may set the
* FB_NOYPAN
*/
// #define FB_NOYPAN
/* The default video output window title */
#define VOUT_TITLE "VideoLAN Client @VLC_VERSION@"
/*****************************************************************************

145
plugins/fb/fb.c
View File

@ -1,10 +1,10 @@
/*****************************************************************************
* fb.c : Linux framebuffer plugin for vlc
* fb.c : framebuffer plugin for vlc
*****************************************************************************
* Copyright (C) 2000 VideoLAN
*
* Authors:
* Copyright (C) 2000, 2001 VideoLAN
*
* Authors: Samuel Hocevar <sam@zoy.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
@ -20,118 +20,93 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
#define MODULE_NAME fb
/*****************************************************************************
* Preamble
*****************************************************************************/
#include "defs.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdlib.h> /* malloc(), free() */
#include <unistd.h> /* close() */
#include "config.h"
#include "common.h" /* boolean_t, byte_t */
#include "threads.h"
#include "mtime.h"
#include "tests.h"
#include "plugins.h"
#include "interface.h"
#include "audio_output.h"
#include "video.h"
#include "video_output.h"
#include "main.h"
#include "modules.h"
#include "modules_inner.h"
/*****************************************************************************
* Exported prototypes
* Building configuration tree
*****************************************************************************/
static void vout_GetPlugin( p_vout_thread_t p_vout );
static void intf_GetPlugin( p_intf_thread_t p_intf );
/* Video output */
int vout_FBCreate ( vout_thread_t *p_vout, char *psz_display,
int i_root_window, void *p_data );
int vout_FBInit ( p_vout_thread_t p_vout );
void vout_FBEnd ( p_vout_thread_t p_vout );
void vout_FBDestroy ( p_vout_thread_t p_vout );
int vout_FBManage ( p_vout_thread_t p_vout );
void vout_FBDisplay ( p_vout_thread_t p_vout );
void vout_FBSetPalette ( p_vout_thread_t p_vout,
u16 *red, u16 *green, u16 *blue, u16 *transp );
/* Interface */
int intf_FBCreate ( p_intf_thread_t p_intf );
void intf_FBDestroy ( p_intf_thread_t p_intf );
void intf_FBManage ( p_intf_thread_t p_intf );
MODULE_CONFIG_START
ADD_WINDOW( "Configuration for framebuffer module" )
ADD_COMMENT( "For now, the framebuffer module cannot be configured" )
MODULE_CONFIG_END
/*****************************************************************************
* GetConfig: get the plugin structure and configuration
* Capabilities defined in the other files.
******************************************************************************/
extern void vout_getfunctions( function_list_t * p_function_list );
/*****************************************************************************
* InitModule: get the module structure and configuration.
*****************************************************************************
* 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.
*****************************************************************************/
plugin_info_t * GetConfig( void )
int InitModule( module_t * p_module )
{
int i_fd;
plugin_info_t * p_info = (plugin_info_t *) malloc( sizeof(plugin_info_t) );
p_module->psz_name = MODULE_STRING;
p_module->psz_longname = "Linux console framebuffer module";
p_module->psz_version = VERSION;
p_info->psz_name = "Linux framebuffer";
p_info->psz_version = VERSION;
p_info->psz_author = "the VideoLAN team <vlc@videolan.org>";
p_module->i_capabilities = MODULE_CAPABILITY_NULL
| MODULE_CAPABILITY_VOUT;
p_info->aout_GetPlugin = NULL;
p_info->vout_GetPlugin = vout_GetPlugin;
p_info->intf_GetPlugin = intf_GetPlugin;
p_info->yuv_GetPlugin = NULL;
/* Test if the device can be opened */
if ( (i_fd = open( main_GetPszVariable( VOUT_FB_DEV_VAR,
VOUT_FB_DEV_DEFAULT ),
O_RDWR )) < 0 )
{
p_info->i_score = 0;
}
else
{
close( i_fd );
p_info->i_score = 0x100;
}
if( TestProgram( "fbvlc" ) )
{
p_info->i_score += 0x180;
}
/* If this plugin was requested, score it higher */
if( TestMethod( VOUT_METHOD_VAR, "fb" ) )
{
p_info->i_score += 0x200;
}
return( p_info );
return( 0 );
}
/*****************************************************************************
* Following functions are only called through the p_info structure
* 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().
*****************************************************************************/
static void vout_GetPlugin( p_vout_thread_t p_vout )
int ActivateModule( module_t * p_module )
{
p_vout->p_sys_create = vout_FBCreate;
p_vout->p_sys_init = vout_FBInit;
p_vout->p_sys_end = vout_FBEnd;
p_vout->p_sys_destroy = vout_FBDestroy;
p_vout->p_sys_manage = vout_FBManage;
p_vout->p_sys_display = vout_FBDisplay;
/* optional functions */
p_vout->p_set_palette = vout_FBSetPalette;
p_module->p_functions = malloc( sizeof( module_functions_t ) );
if( p_module->p_functions == NULL )
{
return( -1 );
}
vout_getfunctions( &p_module->p_functions->vout );
p_module->p_config = p_config;
return( 0 );
}
static void intf_GetPlugin( p_intf_thread_t p_intf )
/*****************************************************************************
* DeactivateModule: make sure the module can be unloaded.
*****************************************************************************
* 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.
*****************************************************************************/
int DeactivateModule( module_t * p_module )
{
p_intf->p_sys_create = intf_FBCreate;
p_intf->p_sys_destroy = intf_FBDestroy;
p_intf->p_sys_manage = intf_FBManage;
free( p_module->p_functions );
return( 0 );
}

306
plugins/fb/intf_fb.c
View File

@ -1,306 +0,0 @@
/*****************************************************************************
* intf_fb.c: Linux framebuffer interface plugin
*****************************************************************************
* Copyright (C) 2000 VideoLAN
* $Id: intf_fb.c,v 1.7 2001/01/05 18:46:43 massiot Exp $
*
* Authors:
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#include "defs.h"
#include <errno.h> /* errno */
#include <signal.h> /* SIGUSR1, SIGUSR2 */
#include <stdlib.h> /* free() */
#include <string.h> /* strerror() */
#include <unistd.h> /* read() */
#include <sys/ioctl.h> /* ioctl() */
#include <termios.h> /* struct termios */
#include <linux/vt.h> /* VT_* */
#include <linux/kd.h> /* KD* */
#include "config.h"
#include "common.h"
#include "threads.h"
#include "mtime.h"
#include "plugins.h"
#include "stream_control.h"
#include "input_ext-intf.h"
#include "video.h"
#include "video_output.h"
#include "intf_msg.h"
#include "interface.h"
#include "main.h"
/*****************************************************************************
* intf_sys_t: description and status of FB interface
*****************************************************************************/
typedef struct intf_sys_s
{
/* System informations */
int i_tty_dev; /* tty device handle */
/* 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 */
int i_width; /* width of main window */
int i_height; /* height of main window */
struct termios old_termios;
struct termios new_termios;
} intf_sys_t;
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static void FBSwitchDisplay ( int i_signal );
static void FBTextMode ( int i_tty_dev );
static void FBGfxMode ( int i_tty_dev );
/*****************************************************************************
* intf_FBCreate: initialize and create window
*****************************************************************************/
int intf_FBCreate( intf_thread_t *p_intf )
{
struct sigaction sig_tty; /* sigaction for tty change */
struct vt_mode vt_mode; /* vt current mode */
/* Allocate instance and initialize some members */
p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
if( p_intf->p_sys == NULL )
{
return( 1 );
};
/* Set tty and fb devices */
p_intf->p_sys->i_tty_dev = 0; /* 0 == /dev/tty0 == current console */
FBGfxMode( p_intf->p_sys->i_tty_dev );
/* set keyboard settings */
if (tcgetattr(0, &p_intf->p_sys->old_termios) == -1)
{
intf_ErrMsg( "intf error: tcgetattr" );
}
if (tcgetattr(0, &p_intf->p_sys->new_termios) == -1)
{
intf_ErrMsg( "intf error: tcgetattr" );
}
p_intf->p_sys->new_termios.c_lflag &= ~ (ICANON | ISIG);
p_intf->p_sys->new_termios.c_lflag |= (ECHO | ECHOCTL);
p_intf->p_sys->new_termios.c_iflag = 0;
p_intf->p_sys->new_termios.c_cc[VMIN] = 1;
p_intf->p_sys->new_termios.c_cc[VTIME] = 0;
if (tcsetattr(0, TCSAFLUSH, &p_intf->p_sys->new_termios) == -1)
{
intf_ErrMsg( "intf error: tcsetattr" );
}
ioctl(p_intf->p_sys->i_tty_dev, 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 = FBSwitchDisplay;
sigemptyset( &sig_tty.sa_mask );
if( sigaction( SIGUSR1, &sig_tty, &p_intf->p_sys->sig_usr1 ) ||
sigaction( SIGUSR2, &sig_tty, &p_intf->p_sys->sig_usr2 ) )
{
intf_ErrMsg( "intf error: can't set up signal handler (%s)",
strerror(errno) );
tcsetattr(0, 0, &p_intf->p_sys->old_termios);
FBTextMode( p_intf->p_sys->i_tty_dev );
return( 1 );
}
/* Set-up tty according to new signal handler */
if( ioctl(p_intf->p_sys->i_tty_dev, VT_GETMODE, &p_intf->p_sys->vt_mode)
== -1 )
{
intf_ErrMsg( "intf error: cant get terminal mode (%s)",
strerror(errno) );
sigaction( SIGUSR1, &p_intf->p_sys->sig_usr1, NULL );
sigaction( SIGUSR2, &p_intf->p_sys->sig_usr2, NULL );
tcsetattr(0, 0, &p_intf->p_sys->old_termios);
FBTextMode( p_intf->p_sys->i_tty_dev );
return( 1 );
}
memcpy( &vt_mode, &p_intf->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( ioctl(p_intf->p_sys->i_tty_dev, VT_SETMODE, &vt_mode) == -1 )
{
intf_ErrMsg( "intf error: can't set terminal mode (%s)",
strerror(errno) );
sigaction( SIGUSR1, &p_intf->p_sys->sig_usr1, NULL );
sigaction( SIGUSR2, &p_intf->p_sys->sig_usr2, NULL );
tcsetattr(0, 0, &p_intf->p_sys->old_termios);
FBTextMode( p_intf->p_sys->i_tty_dev );
return( 1 );
}
/* Spawn video output thread */
if( p_main->b_video )
{
p_intf->p_vout = vout_CreateThread( NULL, 0,
p_intf->p_sys->i_width,
p_intf->p_sys->i_height,
NULL, 0, NULL );
if( p_intf->p_vout == NULL ) /* XXX?? error */
{
intf_ErrMsg("intf error: can't create output thread" );
ioctl( p_intf->p_sys->i_tty_dev, VT_SETMODE,
&p_intf->p_sys->vt_mode );
sigaction( SIGUSR1, &p_intf->p_sys->sig_usr1, NULL );
sigaction( SIGUSR2, &p_intf->p_sys->sig_usr2, NULL );
free( p_intf->p_sys );
tcsetattr(0, 0, &p_intf->p_sys->old_termios);
FBTextMode( p_intf->p_sys->i_tty_dev );
return( 1 );
}
}
/* bind keys */
intf_AssignNormalKeys( p_intf );
return( 0 );
}
/*****************************************************************************
* intf_FBDestroy: destroy interface window
*****************************************************************************/
void intf_FBDestroy( intf_thread_t *p_intf )
{
/* resets the keyboard state */
tcsetattr(0, 0, &p_intf->p_sys->old_termios);
/* return to text mode */
FBTextMode( p_intf->p_sys->i_tty_dev );
/* Close input thread, if any (blocking) */
if( p_intf->p_input )
{
input_DestroyThread( p_intf->p_input, NULL );
}
/* Close video output thread, if any (blocking) */
if( p_intf->p_vout )
{
vout_DestroyThread( p_intf->p_vout, NULL );
}
/* Destroy structure */
free( p_intf->p_sys );
}
/*****************************************************************************
* intf_FBManage: event loop
*****************************************************************************/
void intf_FBManage( intf_thread_t *p_intf )
{
unsigned char buf[16];
//while ( read(0, buf, 1) == 1)
if ( read(0, buf, 1) == 1)
{
if( intf_ProcessKey(p_intf, (int)buf[0]) )
{
intf_ErrMsg("unhandled key '%c' (%i)", (char) buf[0], buf[0] );
}
}
}
/*****************************************************************************
* FBSwitchDisplay: 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 FBSwitchDisplay(int i_signal)
{
if( p_main->p_intf->p_vout != NULL )
{
switch( i_signal )
{
case SIGUSR1: /* vt has been released */
p_main->p_intf->p_vout->b_active = 0;
ioctl( ((intf_sys_t *)p_main->p_intf->p_sys)->i_tty_dev,
VT_RELDISP, 1 );
break;
case SIGUSR2: /* vt has been acquired */
p_main->p_intf->p_vout->b_active = 1;
ioctl( ((intf_sys_t *)p_main->p_intf->p_sys)->i_tty_dev,
VT_RELDISP, VT_ACTIVATE );
/* handle blanking */
p_main->p_intf->p_vout->i_changes |= VOUT_SIZE_CHANGE;
break;
}
}
}
/*****************************************************************************
* FBTextMode and FBGfxMode : switch tty to text/graphic mode
*****************************************************************************
* These functions toggle the tty mode.
*****************************************************************************/
static void FBTextMode( int i_tty_dev )
{
/* return to text mode */
if (-1 == ioctl(i_tty_dev, KDSETMODE, KD_TEXT))
{
intf_ErrMsg("intf error: ioctl KDSETMODE");
}
}
static void FBGfxMode( int i_tty_dev )
{
/* switch to graphic mode */
if (-1 == ioctl(i_tty_dev, KDSETMODE, KD_GRAPHICS))
{
intf_ErrMsg("intf error: ioctl KDSETMODE");
}
}
/*****************************************************************************
* vout_SysPrint: print simple text on a picture
*****************************************************************************
* This function will print a simple text on the picture. It is designed to
* print debugging or general informations, not to render subtitles.
*****************************************************************************/
void vout_SysPrint( vout_thread_t *p_vout, int i_x, int i_y, int i_halign,
int i_valign, unsigned char *psz_text )
{
}

466
plugins/fb/vout_fb.c
View File

@ -1,9 +1,9 @@
/*****************************************************************************
* vout_fb.c: Linux framebuffer video output display method
* vout_fb.c: framebuffer video output display method
*****************************************************************************
* Copyright (C) 1999, 2000 VideoLAN
* Copyright (C) 1998, 1999, 2000, 2001 VideoLAN
*
* Authors:
* Authors: Samuel Hocevar <sam@zoy.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -26,20 +26,26 @@
#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 <linux/fb.h>
#include <termios.h> /* struct termios */
#include <sys/ioctl.h>
#include <sys/mman.h> /* mmap() */
#include <linux/fb.h>
#include <linux/vt.h> /* VT_* */
#include <linux/kd.h> /* KD* */
#include "config.h"
#include "common.h"
#include "threads.h"
#include "mtime.h"
#include "plugins.h"
#include "tests.h"
#include "modules.h"
#include "video.h"
#include "video_output.h"
@ -56,44 +62,191 @@
typedef struct vout_sys_s
{
/* System informations */
int i_fb_dev; /* framebuffer device handle */
struct fb_var_screeninfo var_info; /* framebuffer mode informations */
int i_tty_dev; /* 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_fb_dev; /* 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 *fb_palette; /* original palette */
/* Video memory */
byte_t * p_video; /* base adress */
size_t i_page_size; /* page size */
struct fb_cmap fb_cmap; /* original colormap */
unsigned short *fb_palette; /* original palette */
} vout_sys_t;
/*****************************************************************************
* Local prototypes
* Local prototypes.
*****************************************************************************/
static int FBOpenDisplay ( vout_thread_t *p_vout );
static void FBCloseDisplay ( vout_thread_t *p_vout );
static int vout_Probe ( probedata_t *p_data );
static int vout_Create ( struct vout_thread_s * );
static int vout_Init ( struct vout_thread_s * );
static void vout_End ( struct vout_thread_s * );
static void vout_Destroy ( struct vout_thread_s * );
static int vout_Manage ( struct vout_thread_s * );
static void vout_Display ( struct vout_thread_s * );
static void vout_SetPalette( p_vout_thread_t p_vout, u16 *red, u16 *green,
u16 *blue, u16 *transp );
static int FBOpenDisplay ( struct vout_thread_s * );
static void FBCloseDisplay ( struct vout_thread_s * );
static void FBSwitchDisplay( int i_signal );
static void FBTextMode ( int i_tty_dev );
static void FBGfxMode ( int i_tty_dev );
/*****************************************************************************
* vout_FBCreate: allocates FB video thread output method
* Functions exported as capabilities. They are declared as static so that
* we don't pollute the namespace too much.
*****************************************************************************/
void vout_getfunctions( function_list_t * p_function_list )
{
p_function_list->pf_probe = vout_Probe;
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_display = vout_Display;
p_function_list->functions.vout.pf_setpalette = vout_SetPalette;
}
/*****************************************************************************
* vout_Probe: probe the video driver and return a score
*****************************************************************************
* This function tries to open the framebuffer and returns a score to the
* plugin manager so that it can select the best plugin.
*****************************************************************************/
static int vout_Probe( probedata_t *p_data )
{
int i_fd;
if( TestMethod( VOUT_METHOD_VAR, "fb" ) )
{
return( 999 );
}
i_fd = open( main_GetPszVariable( VOUT_FB_DEV_VAR,
VOUT_FB_DEV_DEFAULT ), O_RDWR );
if( i_fd == -1 )
{
return( 0 );
}
close( i_fd );
return( 30 );
}
/*****************************************************************************
* vout_Create: allocates FB video thread output method
*****************************************************************************
* This function allocates and initializes a FB vout method.
*****************************************************************************/
int vout_FBCreate( vout_thread_t *p_vout, char *psz_display,
int i_root_window, void *p_data )
static int vout_Create( vout_thread_t *p_vout )
{
/* Allocate structure */
struct sigaction sig_tty; /* sigaction for tty change */
struct vt_mode vt_mode; /* vt current mode */
struct termios new_termios;
/* Allocate instance and initialize some members */
p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
if( p_vout->p_sys == NULL )
{
intf_ErrMsg("error: %s", strerror(ENOMEM) );
return( 1 );
};
/* Set tty and fb devices */
p_vout->p_sys->i_tty_dev = 0; /* 0 == /dev/tty0 == current console */
FBGfxMode( p_vout->p_sys->i_tty_dev );
/* 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_dev, 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 = FBSwitchDisplay;
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);
FBTextMode( p_vout->p_sys->i_tty_dev );
free( p_vout->p_sys );
return( 1 );
}
/* Set-up tty according to new signal handler */
if( ioctl(p_vout->p_sys->i_tty_dev, VT_GETMODE, &p_vout->p_sys->vt_mode)
== -1 )
{
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);
FBTextMode( p_vout->p_sys->i_tty_dev );
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( ioctl(p_vout->p_sys->i_tty_dev, VT_SETMODE, &vt_mode) == -1 )
{
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);
FBTextMode( p_vout->p_sys->i_tty_dev );
free( p_vout->p_sys );
return( 1 );
}
/* Open and initialize device */
if( FBOpenDisplay( p_vout ) )
{
intf_ErrMsg("vout error: can't open display");
ioctl(p_vout->p_sys->i_tty_dev, 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);
FBTextMode( p_vout->p_sys->i_tty_dev );
free( p_vout->p_sys );
return( 1 );
}
@ -102,63 +255,101 @@ int vout_FBCreate( vout_thread_t *p_vout, char *psz_display,
}
/*****************************************************************************
* vout_FBInit: initialize framebuffer video thread output method
* vout_Init: initialize framebuffer video thread output method
*****************************************************************************/
int vout_FBInit( vout_thread_t *p_vout )
static int vout_Init( vout_thread_t *p_vout )
{
/* Clear the screen */
memset( p_vout->p_sys->p_video, 0, p_vout->p_sys->i_page_size * 2 );
return( 0 );
}
/*****************************************************************************
* vout_FBEnd: terminate FB video thread output method
* vout_End: terminate framebuffer video thread output method
*****************************************************************************/
void vout_FBEnd( vout_thread_t *p_vout )
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 * 2 );
}
/*****************************************************************************
* vout_FBDestroy: destroy FB video thread output method
* vout_Destroy: destroy FB video thread output method
*****************************************************************************
* Terminate an output method created by vout_CreateOutputMethod
*****************************************************************************/
void vout_FBDestroy( vout_thread_t *p_vout )
static void vout_Destroy( vout_thread_t *p_vout )
{
FBCloseDisplay( p_vout );
/* Reset the terminal */
ioctl(p_vout->p_sys->i_tty_dev, 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 */
FBTextMode( p_vout->p_sys->i_tty_dev );
/* Destroy structure */
free( p_vout->p_sys );
}
/*****************************************************************************
* vout_FBManage: handle FB events
* 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.
*****************************************************************************/
int vout_FBManage( vout_thread_t *p_vout )
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_DbgMsg("resizing window");
intf_WarnMsg( 1, "vout: reinitializing framebuffer screen" );
p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
/* Destroy XImages to change their size */
vout_FBEnd( p_vout );
vout_End( p_vout );
/* Recreate XImages. If SysInit failed, the thread can't go on. */
if( vout_FBInit( p_vout ) )
if( vout_Init( p_vout ) )
{
intf_ErrMsg("error: can't resize display");
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 * 2 );
#if 1
/* 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;
intf_Msg("vout: video display resized (%dx%d)", p_vout->i_width, p_vout->i_height);
#endif
}
@ -166,56 +357,48 @@ int vout_FBManage( vout_thread_t *p_vout )
}
/*****************************************************************************
* vout_FBDisplay: displays previously rendered output
* vout_Display: displays previously rendered output
*****************************************************************************
* This function send the currently rendered image to FB image, waits until
* it is displayed and switch the two rendering buffers, preparing next frame.
*****************************************************************************/
void vout_FBDisplay( vout_thread_t *p_vout )
static void vout_Display( vout_thread_t *p_vout )
{
/* swap the two Y offsets */
#ifdef FB_NOYPAN
/* if the fb doesn't supports ypan, we only use one buffer */
#else
p_vout->p_sys->var_info.yoffset = p_vout->i_buffer_index ? p_vout->p_sys->var_info.yres : 0;
/* swap the two Y offsets if the drivers supports panning */
if( p_vout->p_sys->b_pan )
{
p_vout->p_sys->var_info.yoffset =
p_vout->i_buffer_index ? p_vout->p_sys->var_info.yres : 0;
/* 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;
/* 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_fb_dev, FBIOPUT_VSCREENINFO, &p_vout->p_sys->var_info );
ioctl( p_vout->p_sys->i_fb_dev, FBIOPAN_DISPLAY, &p_vout->p_sys->var_info );
#endif
ioctl( p_vout->p_sys->i_fb_dev,
FBIOPAN_DISPLAY, &p_vout->p_sys->var_info );
}
}
/*****************************************************************************
* vout_FBSetPalette: sets an 8 bpp palette
* vout_SetPalette: sets an 8 bpp palette
*****************************************************************************
* This function sets the palette given as an argument. It does not return
* anything, but could later send information on which colors it was unable
* to set.
*****************************************************************************/
void vout_FBSetPalette( p_vout_thread_t p_vout,
u16 *red, u16 *green, u16 *blue, u16 *transp )
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_fb_dev, FBIOPUTCMAP, &cmap );
}
/* following functions are local */
/*****************************************************************************
* FBOpenDisplay: open and initialize framebuffer device
*****************************************************************************
* XXX?? The framebuffer mode is only provided as a fast and efficient way to
* display video, providing the card is configured and the mode ok. It is
* not portable, and is not supposed to work with many cards. Use at your
* own risk !
* FBOpenDisplay: initialize framebuffer
*****************************************************************************/
static int FBOpenDisplay( vout_thread_t *p_vout )
{
char *psz_device; /* framebuffer device path */
@ -233,24 +416,26 @@ static int FBOpenDisplay( vout_thread_t *p_vout )
/* Get framebuffer device informations */
if( ioctl( p_vout->p_sys->i_fb_dev, FBIOGET_VSCREENINFO, &p_vout->p_sys->var_info ) )
{
intf_ErrMsg( "vout error: can't get framebuffer informations (%s)", strerror(errno) );
intf_ErrMsg("vout error: can't get fb info (%s)", strerror(errno) );
close( p_vout->p_sys->i_fb_dev );
return( 1 );
}
/* Framebuffer must have some basic properties to be usable */
/* XXX?? */
if( ioctl( p_vout->p_sys->i_fb_dev, 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_fb_dev );
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;
intf_ErrMsg( "vout: ypanstep is %i", fix_info.ypanstep );
/* XXX?? ask sam p_vout->p_sys->mode_info.sync = FB_SYNC_VERT_HIGH_ACT; */
if( ioctl( p_vout->p_sys->i_fb_dev, FBIOPUT_VSCREENINFO, &p_vout->p_sys->var_info ) )
{
intf_ErrMsg("vout error: can't set framebuffer informations (%s)", strerror(errno) );
intf_ErrMsg(" vout error: can't set fb info (%s)", strerror(errno) );
close( p_vout->p_sys->i_fb_dev );
return( 1 );
}
@ -259,30 +444,45 @@ static int FBOpenDisplay( vout_thread_t *p_vout )
if( ioctl( p_vout->p_sys->i_fb_dev, FBIOGET_FSCREENINFO, &fix_info ) ||
ioctl( p_vout->p_sys->i_fb_dev, FBIOGET_VSCREENINFO, &p_vout->p_sys->var_info ) )
{
intf_ErrMsg("vout error: can't get framebuffer informations (%s)", strerror(errno) );
/* FIXME: restore fb config ?? */
intf_ErrMsg(" vout error: can't get additional fb info (%s)", strerror(errno) );
/* Restore fb config */
ioctl( p_vout->p_sys->i_fb_dev, FBIOPUT_VSCREENINFO, &p_vout->p_sys->var_info );
close( p_vout->p_sys->i_fb_dev );
return( 1 );
}
/* FIXME: if the image is full-size, it gets cropped on the left
* because of the xres / xres_virtual slight difference */
intf_Msg( "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->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->i_height = p_vout->p_sys->var_info.yres;
p_vout->i_screen_depth = p_vout->p_sys->var_info.bits_per_pixel;
intf_WarnMsg( 1, "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->i_height = p_vout->p_sys->var_info.yres;
p_vout->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->i_screen_depth = p_vout->p_sys->var_info.bits_per_pixel;
p_vout->p_sys->fb_palette = NULL;
p_vout->p_sys->b_pan = ( fix_info.ypanstep || fix_info.ywrapstep );
switch( p_vout->i_screen_depth )
{
case 8: /* 8 bpp */
p_vout->p_sys->fb_palette = malloc( 8 * 256 * sizeof(unsigned short) );
p_vout->p_sys->fb_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->fb_palette;
p_vout->p_sys->fb_cmap.green = p_vout->p_sys->fb_palette + 256 * sizeof(unsigned short);
p_vout->p_sys->fb_cmap.blue = p_vout->p_sys->fb_palette + 2 * 256 * sizeof(unsigned short);
p_vout->p_sys->fb_cmap.transp = p_vout->p_sys->fb_palette + 3 * 256 * sizeof(unsigned short);
p_vout->p_sys->fb_cmap.green = p_vout->p_sys->fb_palette + 256 * sizeof( u16 );
p_vout->p_sys->fb_cmap.blue = p_vout->p_sys->fb_palette + 2 * 256 * sizeof( u16 );
p_vout->p_sys->fb_cmap.transp = p_vout->p_sys->fb_palette + 3 * 256 * sizeof( u16 );
/* saves the colormap */
/* Save the colormap */
ioctl( p_vout->p_sys->i_fb_dev, FBIOGETCMAP, &p_vout->p_sys->fb_cmap );
p_vout->i_bytes_per_pixel = 1;
@ -308,6 +508,11 @@ static int FBOpenDisplay( vout_thread_t *p_vout )
default: /* unsupported screen depth */
intf_ErrMsg( "vout error: screen depth %d is not supported",
p_vout->i_screen_depth);
/* Restore fb config */
ioctl( p_vout->p_sys->i_fb_dev, FBIOPUT_VSCREENINFO, &p_vout->p_sys->var_info );
close( p_vout->p_sys->i_fb_dev );
return( 1 );
break;
}
@ -330,39 +535,47 @@ static int FBOpenDisplay( vout_thread_t *p_vout )
p_vout->i_height * p_vout->i_bytes_per_pixel;
/* Map two framebuffers a the very beginning of the fb */
p_vout->p_sys->p_video = mmap(0, p_vout->p_sys->i_page_size * 2,
PROT_READ | PROT_WRITE, MAP_SHARED,
p_vout->p_sys->i_fb_dev, 0 );
memset( p_vout->p_sys->p_video, 0, p_vout->p_sys->i_page_size * 2 );
if( (int)p_vout->p_sys->p_video == -1 ) /* according to man, it is -1. What about NULL ? */
p_vout->p_sys->p_video = mmap( 0, p_vout->p_sys->i_page_size * 2,
PROT_READ | PROT_WRITE, MAP_SHARED,
p_vout->p_sys->i_fb_dev, 0 );
if( (int)p_vout->p_sys->p_video == -1 ) /* according to man, it is -1.
What about NULL ? */
{
intf_ErrMsg("vout error: can't map video memory (%s)", strerror(errno) );
/* FIXME: restore fb config ?? */
if( p_vout->i_screen_depth == 8 )
{
free( p_vout->p_sys->fb_palette );
}
/* Restore fb config */
ioctl( p_vout->p_sys->i_fb_dev, FBIOPUT_VSCREENINFO, &p_vout->p_sys->var_info );
close( p_vout->p_sys->i_fb_dev );
return( 1 );
}
/* Set and initialize buffers */
vout_SetBuffers( p_vout, p_vout->p_sys->p_video,
#ifdef FB_NOYPAN /* If the fb doesn't support ypan */
p_vout->p_sys->p_video
#else
p_vout->p_sys->p_video + p_vout->p_sys->i_page_size
#endif
);
if( p_vout->p_sys->b_pan )
{
vout_SetBuffers( p_vout, p_vout->p_sys->p_video,
p_vout->p_sys->p_video
+ p_vout->p_sys->i_page_size );
}
else
{
vout_SetBuffers( p_vout, p_vout->p_sys->p_video,
p_vout->p_sys->p_video );
}
intf_DbgMsg("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 );
intf_WarnMsg( 1, "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 );
}
/*****************************************************************************
* FBCloseDisplay: close and reset framebuffer device
*****************************************************************************
* Returns all resources allocated by FBOpenDisplay and restore the original
* state of the device.
* FBCloseDisplay: terminate FB video thread output method
*****************************************************************************/
static void FBCloseDisplay( vout_thread_t *p_vout )
{
@ -376,8 +589,63 @@ static void FBCloseDisplay( vout_thread_t *p_vout )
free( p_vout->p_sys->fb_palette );
}
/* Destroy window and close display */
/* Restore fb config */
ioctl( p_vout->p_sys->i_fb_dev, FBIOPUT_VSCREENINFO, &p_vout->p_sys->var_info );
/* Close fb */
close( p_vout->p_sys->i_fb_dev );
}
/*****************************************************************************
* FBSwitchDisplay: 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 FBSwitchDisplay(int i_signal)
{
if( p_main->p_vout != NULL )
{
switch( i_signal )
{
case SIGUSR1: /* vt has been released */
p_main->p_vout->b_active = 0;
ioctl( ((vout_sys_t *)p_main->p_vout->p_sys)->i_tty_dev,
VT_RELDISP, 1 );
break;
case SIGUSR2: /* vt has been acquired */
p_main->p_vout->b_active = 1;
ioctl( ((vout_sys_t *)p_main->p_vout->p_sys)->i_tty_dev,
VT_RELDISP, VT_ACTIVATE );
/* handle blanking */
vlc_mutex_lock( &p_main->p_vout->change_lock );
p_main->p_vout->i_changes |= VOUT_SIZE_CHANGE;
vlc_mutex_unlock( &p_main->p_vout->change_lock );
break;
}
}
}
/*****************************************************************************
* FBTextMode and FBGfxMode : switch tty to text/graphic mode
*****************************************************************************
* These functions toggle the tty mode.
*****************************************************************************/
static void FBTextMode( int i_tty_dev )
{
/* return to text mode */
if (-1 == ioctl(i_tty_dev, KDSETMODE, KD_TEXT))
{
intf_ErrMsg( "intf error: failed ioctl KDSETMODE KD_TEXT" );
}
}
static void FBGfxMode( int i_tty_dev )
{
/* switch to graphic mode */
if (-1 == ioctl(i_tty_dev, KDSETMODE, KD_GRAPHICS))
{
intf_ErrMsg( "intf error: failed ioctl KDSETMODE KD_GRAPHICS" );
}
}

18
src/video_output/video_output.c
View File

@ -161,9 +161,9 @@ vout_thread_t * vout_CreateThread ( int *pi_status )
p_vout->b_interface = 0;
p_vout->b_scale = 1;
intf_DbgMsg( "wished configuration: %dx%d, %d/%d bpp (%d Bpl)",
p_vout->i_width, p_vout->i_height, p_vout->i_screen_depth,
p_vout->i_bytes_per_pixel * 8, p_vout->i_bytes_per_line );
intf_WarnMsg( 1, "wished configuration: %dx%d, %d/%d bpp (%d Bpl)",
p_vout->i_width, p_vout->i_height, p_vout->i_screen_depth,
p_vout->i_bytes_per_pixel * 8, p_vout->i_bytes_per_line );
/* Initialize idle screen */
p_vout->last_display_date = 0;
@ -199,12 +199,12 @@ vout_thread_t * vout_CreateThread ( int *pi_status )
free( p_vout );
return( NULL );
}
intf_DbgMsg( "actual configuration: %dx%d, %d/%d bpp (%d Bpl), "
"masks: 0x%x/0x%x/0x%x",
p_vout->i_width, p_vout->i_height, p_vout->i_screen_depth,
p_vout->i_bytes_per_pixel * 8, p_vout->i_bytes_per_line,
p_vout->i_red_mask, p_vout->i_green_mask,
p_vout->i_blue_mask );
intf_WarnMsg( 1, "actual configuration: %dx%d, %d/%d bpp (%d Bpl), "
"masks: 0x%x/0x%x/0x%x",
p_vout->i_width, p_vout->i_height, p_vout->i_screen_depth,
p_vout->i_bytes_per_pixel * 8, p_vout->i_bytes_per_line,
p_vout->i_red_mask, p_vout->i_green_mask,
p_vout->i_blue_mask );
/* Calculate shifts from system-updated masks */
MaskToShift( &p_vout->i_red_lshift, &p_vout->i_red_rshift,