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/*
Only a sample!
*/
#include "config.h"
#ifdef USE_TV
#include <stdio.h>
#include "tv.h"
/* information about this file */
static tvi_info_t info = {
"NULL-TV",
"dummy",
"alex",
NULL
};
/* private data's */
typedef struct {
int width;
int height;
} priv_t;
#include "tvi_def.h"
/* handler creator - entry point ! */
tvi_handle_t *tvi_init_dummy(char *device)
{
return new_handle();
}
/* initialisation */
static int init(priv_t *priv, tvi_param_t *params)
{
return 1;
}
/* that's the real start, we'got the format parameters (checked with control) */
static int start(priv_t *priv)
{
}
static int uninit(priv_t *priv)
{
}
static int 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)*(void **)arg = IMGFMT_YV12;
return(TVI_CONTROL_TRUE);
case TVI_CONTROL_VID_SET_WIDTH:
priv->width = (int)*(void **)arg;
return(TVI_CONTROL_TRUE);
case TVI_CONTROL_VID_SET_HEIGHT:
priv->height = (int)*(void **)arg;
return(TVI_CONTROL_TRUE);
case TVI_CONTROL_VID_CHK_WIDTH:
case TVI_CONTROL_VID_CHK_HEIGHT:
return(TVI_CONTROL_TRUE);
}
return(TVI_CONTROL_UNKNOWN);
}
static int grab_video_frame(priv_t *priv, char *buffer, int len)
{
memset(buffer, 0x42, len);
}
static int get_video_framesize(priv_t *priv)
{
/* YV12 */
return priv->width*priv->height*12/8;
}
static int grab_audio_frame(priv_t *priv, char *buffer, int len)
{
memset(buffer, 0x42, len);
}
static int get_audio_framesize(priv_t *priv)
{
return 1;
}
#endif /* USE_TV */
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