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/*****************************************************************************
* event.c: event thread for broken old video output display plugins
*****************************************************************************
* Copyright (C) 2009 Laurent Aimar
* $Id$
*
* Authors: Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdnoreturn.h>
#include <stdlib.h>
#include <string.h>
#include <vlc_common.h>
#include <vlc_block.h>
#include <vlc_vout_display.h>
#include "event_thread.h"
struct vout_display_event_thread {
vout_display_t *vd;
block_fifo_t *fifo;
vlc_thread_t thread;
};
noreturn static void *VoutDisplayEventKeyDispatch(void *data)
{
vout_display_event_thread_t *vdet = data;
vout_display_t *vd = vdet->vd;
block_fifo_t *fifo = vdet->fifo;
for (;;) {
block_t *event = block_FifoGet(fifo);
int cancel = vlc_savecancel();
int key;
memcpy(&key, event->p_buffer, sizeof (key));
block_Release(event);
vout_display_SendEventKey(vd, key);
vlc_restorecancel(cancel);
}
}
void VoutDisplayEventKey(vout_display_event_thread_t *vdet, int key)
{
if (unlikely(vdet == NULL))
return;
block_t *event = block_Alloc(sizeof (key));
if (likely(event != NULL)) {
memcpy(event->p_buffer, &key, sizeof (key));
block_FifoPut(vdet->fifo, event);
}
}
struct vout_display_event_thread *
VoutDisplayEventCreateThread(vout_display_t *vd)
{
vout_display_event_thread_t *vdet = malloc(sizeof (*vdet));
if (unlikely(vdet == NULL))
return NULL;
vdet->vd = vd;
vdet->fifo = block_FifoNew();
if (unlikely(vdet->fifo == NULL)) {
free(vdet);
return NULL;
}
if (vlc_clone(&vdet->thread, VoutDisplayEventKeyDispatch, vdet,
VLC_THREAD_PRIORITY_LOW)) {
block_FifoRelease(vdet->fifo);
free(vdet);
return NULL;
}
return vdet;
}
void VoutDisplayEventKillThread(vout_display_event_thread_t *vdet)
{
vlc_cancel(vdet->thread);
vlc_join(vdet->thread, NULL);
block_FifoRelease(vdet->fifo);
free(vdet);
}
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