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/*
* Only a sample!
*
* This file is part of mpv.
*
* mpv 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.
*
* mpv 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 mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <stdio.h>
#include "video/img_fourcc.h"
#include "tv.h"
static tvi_handle_t *tvi_init_dummy(struct mp_log *log, tv_param_t* tv_param);
/* information about this file */
const tvi_info_t tvi_info_dummy = {
tvi_init_dummy,
"NULL-TV",
"dummy",
};
/* private data's */
typedef struct priv {
int width;
int height;
} priv_t;
#include "tvi_def.h"
/* handler creator - entry point ! */
static tvi_handle_t *tvi_init_dummy(struct mp_log *log, tv_param_t* tv_param)
{
return tv_new_handle(sizeof(priv_t), log, &functions);
}
/* initialisation */
static int init(priv_t *priv)
{
priv->width = 320;
priv->height = 200;
return 1;
}
/* that's the real start, we'got the format parameters (checked with control) */
static int start(priv_t *priv)
{
return 1;
}
static int uninit(priv_t *priv)
{
return 1;
}
static int do_control(priv_t *priv, int cmd, void *arg)
{
switch(cmd)
{
case TVI_CONTROL_IS_VIDEO:
return TVI_CONTROL_TRUE;
case TVI_CONTROL_VID_GET_FORMAT:
*(int *)arg = MP_FOURCC_YV12;
return TVI_CONTROL_TRUE;
case TVI_CONTROL_VID_SET_FORMAT:
{
// int req_fmt = *(int *)arg;
int req_fmt = *(int *)arg;
if (req_fmt != MP_FOURCC_YV12)
return TVI_CONTROL_FALSE;
return TVI_CONTROL_TRUE;
}
case TVI_CONTROL_VID_SET_WIDTH:
priv->width = *(int *)arg;
return TVI_CONTROL_TRUE;
case TVI_CONTROL_VID_GET_WIDTH:
*(int *)arg = priv->width;
return TVI_CONTROL_TRUE;
case TVI_CONTROL_VID_SET_HEIGHT:
priv->height = *(int *)arg;
return TVI_CONTROL_TRUE;
case TVI_CONTROL_VID_GET_HEIGHT:
*(int *)arg = priv->height;
return TVI_CONTROL_TRUE;
case TVI_CONTROL_VID_CHK_WIDTH:
case TVI_CONTROL_VID_CHK_HEIGHT:
return TVI_CONTROL_TRUE;
case TVI_CONTROL_TUN_SET_NORM:
return TVI_CONTROL_TRUE;
}
return TVI_CONTROL_UNKNOWN;
}
static double grab_video_frame(priv_t *priv, char *buffer, int len)
{
memset(buffer, 0x42, len);
return 1;
}
static int get_video_framesize(priv_t *priv)
{
/* YV12 */
return priv->width * priv->height * 12 / 8;
}
static double grab_audio_frame(priv_t *priv, char *buffer, int len)
{
memset(buffer, 0x42, len);
return 1;
}
static int get_audio_framesize(priv_t *priv)
{
return 1;
}
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