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Commit 9ad99688 authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont
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dvdnav: mouse events bypass the event thread 

In principle, this avoids a possible event loss. I am not sure if the
NAV PCI handling is thread-safe here (but it's no worse than before).
parent 308d526f
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Showing with 31 additions and 55 deletions
modules/access/dvdnav.c
View file @ 9ad99688
......@@ -29,6 +29,7 @@
# include "config.h"
#endif
#include <assert.h>
#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_input.h>
......@@ -114,9 +115,6 @@ typedef struct
demux_t *p_demux;
vlc_mutex_t lock;
bool b_moved;
bool b_clicked;
bool b_still;
int64_t i_still_end;
......@@ -360,14 +358,12 @@ static int Open( vlc_object_t *p_this )
p_sys->p_ev = vlc_object_create( p_demux, sizeof( event_thread_t ) );
p_sys->p_ev->p_demux = p_demux;
vlc_mutex_init( &p_sys->p_ev->lock );
p_sys->p_ev->b_moved = false;
p_sys->p_ev->b_clicked = false;
p_sys->p_ev->b_still = false;
/* catch all key event */
var_AddCallback( p_demux->p_libvlc, "key-action", EventKey, p_demux );
/* catch vout creation event */
var_AddCallback( p_sys->p_input, "intf-event", EventIntf, p_sys );
var_AddCallback( p_sys->p_input, "intf-event", EventIntf, p_demux );
vlc_thread_create( p_sys->p_ev, "dvdnav event thread handler", EventThread,
VLC_THREAD_PRIORITY_LOW );
......@@ -384,14 +380,12 @@ static void Close( vlc_object_t *p_this )
demux_sys_t *p_sys = p_demux->p_sys;
int i;
var_DelCallback( p_sys->p_input, "intf-event", EventIntf, p_sys );
var_DelCallback( p_sys->p_input, "intf-event", EventIntf, p_demux );
if( p_sys->p_vout != NULL )
{ /* Should not happen, but better be safe than sorry. */
msg_Warn( p_sys->p_vout, "removing dangling mouse DVD callbacks" );
var_DelCallback( p_sys->p_vout, "mouse-moved", EventMouse,
p_sys->p_ev );
var_DelCallback( p_sys->p_vout, "mouse-clicked", EventMouse,
p_sys->p_ev );
var_DelCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
var_DelCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
}
/* stop the event handler */
......@@ -1320,29 +1314,6 @@ static void* EventThread( vlc_object_t *p_this )
{
vlc_mutex_lock( &p_ev->lock );
/* VOUT part */
if( p_sys->p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
{
pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
vlc_value_t valx, valy;
var_Get( p_sys->p_vout, "mouse-x", &valx );
var_Get( p_sys->p_vout, "mouse-y", &valy );
if( p_ev->b_moved )
{
dvdnav_mouse_select( p_sys->dvdnav, pci, valx.i_int,
valy.i_int );
}
if( p_ev->b_clicked )
{
ButtonUpdate( p_ev->p_demux, true );
dvdnav_mouse_activate( p_sys->dvdnav, pci, valx.i_int,
valy.i_int );
}
p_ev->b_moved = false;
p_ev->b_clicked = false;
}
/* Still part */
if( p_ev->b_still )
......@@ -1363,18 +1334,28 @@ static void* EventThread( vlc_object_t *p_this )
return NULL;
}
static int EventMouse( vlc_object_t *p_this, char const *psz_var,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
static int EventMouse( vlc_object_t *p_vout, char const *psz_var,
vlc_value_t oldval, vlc_value_t val, void *p_data )
{
(void)p_this; (void)oldval; (void)newval; (void)p_data;
event_thread_t *p_ev = p_data;
vlc_mutex_lock( &p_ev->lock );
if( psz_var[6] == 'c' )
p_ev->b_clicked = true;
else if( psz_var[6] == 'm' )
p_ev->b_moved = true;
vlc_mutex_unlock( &p_ev->lock );
demux_t *p_demux = p_data;
demux_sys_t *p_sys = p_demux->p_sys;
/* FIXME? PCI usage thread safe? */
pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
int x = var_GetInteger( p_vout, "mouse-x" );
int y = var_GetInteger( p_vout, "mouse-y" );
if( psz_var[6] == 'm' ) /* mouse-moved */
dvdnav_mouse_select( p_sys->dvdnav, pci, x, y );
else
{
assert( psz_var[6] == 'c' ); /* mouse-clicked */
ButtonUpdate( p_demux, true );
dvdnav_mouse_activate( p_sys->dvdnav, pci, x, y );
}
(void)oldval; (void)val;
return VLC_SUCCESS;
}
......@@ -1387,7 +1368,6 @@ static int EventKey( vlc_object_t *p_this, char const *psz_var,
/* FIXME: thread-safe ? */
pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
vlc_mutex_lock( &p_sys->p_ev->lock );
switch( newval.i_int )
{
case ACTIONID_NAV_LEFT:
......@@ -1407,7 +1387,6 @@ static int EventKey( vlc_object_t *p_this, char const *psz_var,
dvdnav_button_activate( p_sys->dvdnav, pci );
break;
}
vlc_mutex_unlock( &p_sys->p_ev->lock );
(void)p_this; (void)psz_var; (void)oldval;
return VLC_SUCCESS;
......@@ -1416,18 +1395,18 @@ static int EventKey( vlc_object_t *p_this, char const *psz_var,
static int EventIntf( vlc_object_t *p_input, char const *psz_var,
vlc_value_t oldval, vlc_value_t val, void *p_data )
{
demux_sys_t *p_sys = p_data;
demux_t *p_demux = p_data;
demux_sys_t *p_sys = p_demux->p_sys;
if (val.i_int == INPUT_EVENT_VOUT)
{
vlc_object_t *p_vout;
vlc_mutex_lock( &p_sys->p_ev->lock );
p_vout = p_sys->p_vout;
if( p_vout != NULL )
{
var_DelCallback( p_vout, "mouse-moved", EventMouse, p_sys->p_ev );
var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_sys->p_ev );
var_DelCallback( p_vout, "mouse-moved", EventMouse, p_demux );
var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_demux );
vlc_object_release( p_vout );
}
......@@ -1435,12 +1414,9 @@ static int EventIntf( vlc_object_t *p_input, char const *psz_var,
p_sys->p_vout = p_vout;
if( p_vout != NULL )
{
var_AddCallback( p_vout, "mouse-moved", EventMouse,
p_sys->p_ev );
var_AddCallback( p_vout, "mouse-clicked", EventMouse,
p_sys->p_ev );
var_AddCallback( p_vout, "mouse-moved", EventMouse, p_demux );
var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_demux );
}
vlc_mutex_unlock( &p_sys->p_ev->lock );
}
(void) psz_var; (void) oldval;
return VLC_SUCCESS;
......
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