mirror of
https://github.com/mpv-player/mpv
synced 2024-12-16 11:55:42 +00:00
127 lines
3.1 KiB
C
127 lines
3.1 KiB
C
/*
|
|
* 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;
|
|
}
|