mpv/libvo/vo_null.c

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/*
* based on video_out_null.c from mpeg2dec
*
* Copyright (C) Aaron Holtzman - June 2000
*
* This file is part of MPlayer.
*
* MPlayer 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.
*
* MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "config.h"
#include "mp_msg.h"
#include "video_out.h"
#include "video_out_internal.h"
static const vo_info_t info =
{
"Null video output",
"null",
"Aaron Holtzman <aholtzma@ess.engr.uvic.ca>",
""
};
const LIBVO_EXTERN(null)
static uint32_t image_width, image_height;
//static uint32_t
static int draw_slice(uint8_t *image[], int stride[], int w,int h,int x,int y)
//draw_slice(uint8_t *src[], uint32_t slice_num)
{
return 0;
}
static void draw_osd(void)
{
}
static void
flip_page(void)
{
}
static int
draw_frame(uint8_t *src[])
{
return 0;
}
static int
query_format(uint32_t format)
{
return VFCAP_CSP_SUPPORTED;
}
static int
config(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t flags, char *title, uint32_t format)
{
image_width = width;
image_height = height;
return 0;
}
static void
uninit(void)
{
}
static void check_events(void)
{
}
static int preinit(const char *arg)
{
if(arg)
{
mp_tmsg(MSGT_VO,MSGL_WARN, "[VO_NULL] Unknown subdevice: %s.\n",arg);
return ENOSYS;
}
return 0;
}
static int control(uint32_t request, void *data)
{
switch (request) {
case VOCTRL_QUERY_FORMAT:
return query_format(*((uint32_t*)data));
}
return VO_NOTIMPL;
}