libmpdemux/tvi_def.h

   1 #include <stdlib.h> /* malloc */
   2 #include <string.h> /* memset */
   3
   4 static int init(priv_t *priv);
   5 static int uninit(priv_t *priv);
   6 static int control(priv_t *priv, int cmd, void *arg);
   7 static int start(priv_t *priv);
   8 static double grab_video_frame(priv_t *priv, char *buffer, int len);
   9 #ifdef HAVE_TV_BSDBT848
  10 static double grabimmediate_video_frame(priv_t *priv, char *buffer, int len);
  11 #endif
  12 static int get_video_framesize(priv_t *priv);
  13 static double grab_audio_frame(priv_t *priv, char *buffer, int len);
  14 static int get_audio_framesize(priv_t *priv);
  15
  16 static tvi_functions_t functions =
  17 {
  18     init,
  19     uninit,
  20     control,
  21     start,
  22     grab_video_frame,
  23 #ifdef HAVE_TV_BSDBT848
  24     grabimmediate_video_frame,
  25 #endif
  26     get_video_framesize,
  27     grab_audio_frame,
  28     get_audio_framesize
  29 };
  30
  31 static tvi_handle_t *new_handle(void)
  32 {
  33     tvi_handle_t *h = (tvi_handle_t *)malloc(sizeof(tvi_handle_t));
  34
  35     if (!h)
  36         return(NULL);
  37     h->priv = (priv_t *)malloc(sizeof(priv_t));
  38     if (!h->priv)
  39     {
  40         free(h);
  41         return(NULL);
  42     }
  43     memset(h->priv, 0, sizeof(priv_t));
  44     h->info = &info;
  45     h->functions = &functions;
  46     h->seq = 0;
  47     h->chanlist = -1;
  48     h->chanlist_s = NULL;
  49     h->norm = -1;
  50     h->channel = -1;
  51     return(h);
  52 }
  53
  54 static void free_handle(tvi_handle_t *h)
  55 {
  56     if (h) {
  57         if (h->priv)
  58             free(h->priv);
  59         free(h);
  60     }
  61 }