1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
static int init(priv_t *priv);
static int exit(priv_t *priv);
static int control(priv_t *priv, int cmd, void *arg);
static int grab_video_frame(priv_t *priv, char *buffer, int len);
static int get_video_framesize(priv_t *priv);
static int grab_audio_frame(priv_t *priv, char *buffer, int len);
static int get_audio_framesize(priv_t *priv);
static tvi_functions_t functions =
{
init,
exit,
control,
grab_video_frame,
get_video_framesize,
grab_audio_frame,
get_audio_framesize
};
static tvi_handle_t *new_handle()
{
tvi_handle_t *h = malloc(sizeof(tvi_handle_t));
if (!h)
return(NULL);
h->priv = malloc(sizeof(priv_t));
if (!h->priv)
{
free(h);
return(NULL);
}
memset(h->priv, 0, sizeof(priv_t));
h->info = &info;
h->functions = &functions;
return(h);
}
static void free_handle(tvi_handle_t *h)
{
if (h->priv)
free(h->priv);
if (h)
free(h);
}
|
