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Commit a9e67b18 authored by Laurent Aimar's avatar Laurent Aimar
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Cosmetics (fb).

parent d9effb51
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Showing with 163 additions and 155 deletions
modules/video_output/fb.c
View file @ a9e67b18
......@@ -48,29 +48,6 @@
#include <vlc_vout.h>
#include <vlc_interface.h>
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Create ( vlc_object_t * );
static void Destroy ( vlc_object_t * );
static int Init ( vout_thread_t * );
static void End ( vout_thread_t * );
static int Manage ( vout_thread_t * );
static void Display ( vout_thread_t *, picture_t * );
static int Control ( vout_thread_t *, int, va_list );
static int NewPicture ( vout_thread_t *, picture_t * );
static void FreePicture ( vout_thread_t *, picture_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 );
#define MAX_DIRECTBUFFERS 1
/*****************************************************************************
* Module descriptor
*****************************************************************************/
......@@ -104,6 +81,9 @@ static void GfxMode ( int i_tty );
"in hardware then you must disable this option. It then does double buffering " \
"in software." )
static int Open ( vlc_object_t * );
static void Close( vlc_object_t * );
vlc_module_begin ()
set_shortname( "Framebuffer" )
set_category( CAT_VIDEO )
......@@ -121,9 +101,33 @@ vlc_module_begin ()
true )
set_description( N_("GNU/Linux framebuffer video output") )
set_capability( "video output", 30 )
set_callbacks( Create, Destroy )
set_callbacks( Open, Close )
vlc_module_end ()
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Init ( vout_thread_t * );
static void End ( vout_thread_t * );
static int Manage ( vout_thread_t * );
static void Display ( vout_thread_t *, picture_t * );
static int Control ( vout_thread_t *, int, va_list );
static int NewPicture ( vout_thread_t *, picture_t * );
static void FreePicture ( vout_thread_t *, picture_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 );
static int TtyInit( vout_thread_t * );
static void TtyExit( vout_thread_t * );
#define MAX_DIRECTBUFFERS 1
/*****************************************************************************
* vout_sys_t: video output framebuffer method descriptor
*****************************************************************************
......@@ -169,36 +173,21 @@ struct picture_sys_t
uint8_t * p_data; /* base adress */
};
/*****************************************************************************
* Create: allocates FB video thread output method
*****************************************************************************
/**
* This function allocates and initializes a FB vout method.
*****************************************************************************/
static int Create( vlc_object_t *p_this )
*/
static int Open( vlc_object_t *p_this )
{
vout_thread_t *p_vout = (vout_thread_t *)p_this;
vout_sys_t *p_sys;
char *psz_chroma;
char *psz_aspect;
int i_mode;
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 = p_sys = calloc( 1, sizeof( vout_sys_t ) );
if( p_vout->p_sys == NULL )
p_vout->p_sys = p_sys = calloc( 1, sizeof( *p_sys ) );
if( !p_sys )
return VLC_ENOMEM;
p_sys->p_video = MAP_FAILED;
p_vout->pf_init = Init;
p_vout->pf_end = End;
p_vout->pf_manage = Manage;
p_vout->pf_render = NULL;
p_vout->pf_display = Display;
p_vout->pf_control = Control;
/* Does the framebuffer uses hw acceleration? */
p_sys->b_hw_accel = var_CreateGetBool( p_vout, "fb-hw-accel" );
......@@ -222,7 +211,7 @@ static int Create( vlc_object_t *p_this )
#endif
#endif
psz_chroma = var_CreateGetNonEmptyString( p_vout, "fb-chroma" );
char *psz_chroma = var_CreateGetNonEmptyString( p_vout, "fb-chroma" );
if( psz_chroma )
{
const vlc_fourcc_t i_chroma =
......@@ -242,7 +231,7 @@ static int Create( vlc_object_t *p_this )
}
p_sys->i_aspect = -1;
psz_aspect = var_CreateGetNonEmptyString( p_vout, "fb-aspect-ratio" );
char *psz_aspect = var_CreateGetNonEmptyString( p_vout, "fb-aspect-ratio" );
if( psz_aspect )
{
char *psz_parser = strchr( psz_aspect, ':' );
......@@ -260,143 +249,162 @@ static int Create( vlc_object_t *p_this )
}
p_sys->b_auto = false;
i_mode = var_CreateGetInteger( p_vout, "fb-mode" );
const int i_mode = var_CreateGetInteger( p_vout, "fb-mode" );
switch( i_mode )
{
case 0: /* QCIF */
p_sys->i_width = 176;
p_sys->i_height = 144;
break;
case 1: /* CIF */
p_sys->i_width = 352;
p_sys->i_height = 288;
break;
case 2: /* NTSC */
p_sys->i_width = 640;
p_sys->i_height = 480;
break;
case 3: /* PAL */
p_sys->i_width = 704;
p_sys->i_height = 576;
break;
case 4:
default:
p_sys->b_auto = true;
}
case 0: /* QCIF */
p_sys->i_width = 176;
p_sys->i_height = 144;
break;
case 1: /* CIF */
p_sys->i_width = 352;
p_sys->i_height = 288;
break;
case 2: /* NTSC */
p_sys->i_width = 640;
p_sys->i_height = 480;
break;
case 3: /* PAL */
p_sys->i_width = 704;
p_sys->i_height = 576;
break;
case 4:
default:
p_sys->b_auto = true;
break;
}
/* tty handling */
if( p_sys->b_tty )
if( p_sys->b_tty && TtyInit( p_vout ) )
{
GfxMode( p_sys->i_tty );
/* Set keyboard settings */
if( tcgetattr(0, &p_vout->p_sys->old_termios) == -1 )
{
msg_Err( p_vout, "tcgetattr failed" );
}
if( tcgetattr(0, &new_termios) == -1 )
{
msg_Err( p_vout, "tcgetattr failed" );
}
/* 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 )
{
msg_Err( p_vout, "tcsetattr failed" );
}
ioctl( 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 ) )
{
msg_Err( p_vout, "cannot set signal handler (%m)" );
tcsetattr(0, 0, &p_vout->p_sys->old_termios);
TextMode( p_sys->i_tty );
free( p_vout->p_sys );
return VLC_EGENERIC;
}
/* Set-up tty according to new signal handler */
if( -1 == ioctl( p_sys->i_tty, VT_GETMODE, &p_vout->p_sys->vt_mode ) )
{
msg_Err( p_vout, "cannot get terminal mode (%m)" );
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_sys->i_tty );
free( p_vout->p_sys );
return VLC_EGENERIC;
}
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_sys->i_tty, VT_SETMODE, &vt_mode ) )
{
msg_Err( p_vout, "cannot set terminal mode (%m)" );
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_sys->i_tty );
free( p_vout->p_sys );
return VLC_EGENERIC;
}
free( p_sys );
return VLC_EGENERIC;
}
if( OpenDisplay( p_vout ) )
{
Destroy( VLC_OBJECT(p_vout) );
Close( VLC_OBJECT(p_vout) );
return VLC_EGENERIC;
}
/* */
p_vout->pf_init = Init;
p_vout->pf_end = End;
p_vout->pf_manage = Manage;
p_vout->pf_render = NULL;
p_vout->pf_display = Display;
p_vout->pf_control = Control;
return VLC_SUCCESS;
}
/*****************************************************************************
* Destroy: destroy FB video thread output method
*****************************************************************************
* Terminate an output method created by Create
*****************************************************************************/
static void Destroy( vlc_object_t *p_this )
/**
* Terminate an output method created by Open
*/
static void Close( vlc_object_t *p_this )
{
vout_thread_t *p_vout = (vout_thread_t *)p_this;
CloseDisplay( p_vout );
if( p_vout->p_sys->b_tty )
TtyExit( p_vout );
/* Destroy structure */
free( p_vout->p_sys );
}
static int TtyInit( vout_thread_t *p_vout )
{
vout_sys_t *p_sys = p_vout->p_sys;
struct termios new_termios;
GfxMode( p_sys->i_tty );
/* Set keyboard settings */
if( tcgetattr(0, &p_sys->old_termios) == -1 )
{
/* Reset the terminal */
ioctl( p_vout->p_sys->i_tty, VT_SETMODE, &p_vout->p_sys->vt_mode );
msg_Err( p_vout, "tcgetattr failed" );
}
/* Remove signal handlers */
sigaction( SIGUSR1, &p_vout->p_sys->sig_usr1, NULL );
sigaction( SIGUSR2, &p_vout->p_sys->sig_usr2, NULL );
if( tcgetattr(0, &new_termios) == -1 )
{
msg_Err( p_vout, "tcgetattr failed" );
}
/* Reset the keyboard state */
tcsetattr( 0, 0, &p_vout->p_sys->old_termios );
/* 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;
/* Return to text mode */
TextMode( p_vout->p_sys->i_tty );
if( tcsetattr(0, TCSAFLUSH, &new_termios) == -1 )
{
msg_Err( p_vout, "tcsetattr failed" );
}
/* Destroy structure */
free( p_vout->p_sys );
ioctl( p_sys->i_tty, VT_RELDISP, VT_ACKACQ );
/* Set-up tty signal handler to be aware of tty changes */
struct sigaction sig_tty;
memset( &sig_tty, 0, sizeof( sig_tty ) );
sig_tty.sa_handler = SwitchDisplay;
sigemptyset( &sig_tty.sa_mask );
if( sigaction( SIGUSR1, &sig_tty, &p_sys->sig_usr1 ) ||
sigaction( SIGUSR2, &sig_tty, &p_sys->sig_usr2 ) )
{
msg_Err( p_vout, "cannot set signal handler (%m)" );
tcsetattr(0, 0, &p_sys->old_termios);
TextMode( p_sys->i_tty );
return VLC_EGENERIC;
}
/* Set-up tty according to new signal handler */
if( -1 == ioctl( p_sys->i_tty, VT_GETMODE, &p_sys->vt_mode ) )
{
msg_Err( p_vout, "cannot get terminal mode (%m)" );
sigaction( SIGUSR1, &p_sys->sig_usr1, NULL );
sigaction( SIGUSR2, &p_sys->sig_usr2, NULL );
tcsetattr(0, 0, &p_sys->old_termios);
TextMode( p_sys->i_tty );
return VLC_EGENERIC;
}
struct vt_mode vt_mode = p_sys->vt_mode;
vt_mode.mode = VT_PROCESS;
vt_mode.waitv = 0;
vt_mode.relsig = SIGUSR1;
vt_mode.acqsig = SIGUSR2;
if( -1 == ioctl( p_sys->i_tty, VT_SETMODE, &vt_mode ) )
{
msg_Err( p_vout, "cannot set terminal mode (%m)" );
sigaction( SIGUSR1, &p_sys->sig_usr1, NULL );
sigaction( SIGUSR2, &p_sys->sig_usr2, NULL );
tcsetattr(0, 0, &p_sys->old_termios);
TextMode( p_sys->i_tty );
return VLC_EGENERIC;
}
return VLC_SUCCESS;
}
static void TtyExit( vout_thread_t *p_vout )
{
vout_sys_t *p_sys = p_vout->p_sys;
/* Reset the terminal */
ioctl( p_sys->i_tty, VT_SETMODE, &p_sys->vt_mode );
/* Remove signal handlers */
sigaction( SIGUSR1, &p_sys->sig_usr1, NULL );
sigaction( SIGUSR2, &p_sys->sig_usr2, NULL );
/* Reset the keyboard state */
tcsetattr( 0, 0, &p_sys->old_termios );
/* Return to text mode */
TextMode( p_sys->i_tty );
}
/*****************************************************************************
......
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