VBIDecoder::VBIDecoder()
{
char* errstr = 0;
firstTimestamp.base = 0;
currTimestamp.base = 0;
decoder = vbi_decoder_new();
decoderTimestamp = 0.0;
exporter = vbi_export_new("png", &errstr);
if (!decoder || !exporter)
{
fflush(fplog);
fprintf(stderr, "Cannot initialize libzvbi: %s\n",
errstr);
fflush(stderr);
exit(1);
}
vbi_event_handler_add(decoder, -1, eventHandler, this);
fileName = new char[strlen(prefix)+64];
*fileName = 0;
fileIndex = 0;
vbi_page page;
textSize = sizeof(page.text)/sizeof(vbi_char)*4;
textBuf = new char[textSize];
// Write the xml opening tags
fprintf(fpxml, "<subpictures>\n<stream>\n");
checkPageSize = 1;
memset(&lastPage, 0, sizeof(lastPage));
}
/**
* init the component, this must be done first
*/
void txt_init_lib()
{
int error;
txtdata = calloc(1, sizeof(*txtdata));
assert(txtdata != NULL);
txtdata->m_decoder = vbi_decoder_new();
assert(txtdata->m_decoder != NULL);
error = vbi_event_handler_add(txtdata->m_decoder, VBI_EVENT_TTX_PAGE, event_handler, NULL);
txtdata->m_demuxer = vbi_dvb_pes_demux_new( NULL , NULL );
assert(txtdata->m_demuxer != NULL);
}
int
main (void)
{
char *errstr;
vbi_bool success;
setlocale (LC_ALL, "");
services = (VBI_SLICED_TELETEXT_B |
VBI_SLICED_VPS |
VBI_SLICED_CAPTION_525);
cap = vbi_capture_v4l2_new ("/dev/vbi",
/* buffers */ 5,
&services,
/* strict */ 0,
&errstr,
/* verbose */ FALSE);
if (NULL == cap) {
fprintf (stderr,
"Cannot capture VBI data with V4L2 interface:\n"
"%s\n",
errstr);
free (errstr);
exit (EXIT_FAILURE);
}
dec = vbi_decoder_new ();
assert (NULL != dec);
success = vbi_event_handler_add (dec,
(VBI_EVENT_NETWORK |
VBI_EVENT_NETWORK_ID),
handler,
/* user_data */ NULL);
assert (success);
mainloop ();
vbi_decoder_delete (dec);
vbi_capture_delete (cap);
exit (EXIT_SUCCESS);
}
static void
init_vbi_decoder (void)
{
vbi_bool success;
vbi = vbi_decoder_new ();
if (NULL == vbi)
no_mem_exit ();
if (have_option_default_cs) {
vbi_teletext_set_default_region (vbi, option_default_cs);
}
success = vbi_event_handler_add (vbi,
VBI_EVENT_TTX_PAGE,
event_handler,
/* user_data */ NULL);
if (!success)
no_mem_exit ();
}
int
main (int argc,
char ** argv)
{
vbi_bool success;
if (!init_window (argc, argv))
exit (EXIT_FAILURE);
vbi = vbi_decoder_new ();
assert (NULL != vbi);
success = vbi_event_handler_add (vbi, VBI_EVENT_CAPTION,
cc_handler, /* used_data */ NULL);
assert (success);
if (isatty (STDIN_FILENO)) {
hello_world ();
} else {
struct stream *st;
st = read_stream_new (/* filename: stdin */ NULL,
FILE_FORMAT_SLICED,
/* ts_pid */ 0,
decode_frame);
stream_loop (st);
stream_delete (st);
}
printf ("Done.\n");
for (;;)
xevent (33333);
vbi_decoder_delete (vbi);
exit (EXIT_SUCCESS);
}
/**
* @param vbi Initialized vbi decoding context.
* @param handler Event handler function.
*
* @deprecated
* This functions lacks a user_data parameter.
* Use vbi_event_handler_register() in new code.
*/
void
vbi_event_handler_remove(vbi_decoder *vbi, vbi_event_handler handler)
{
vbi_event_handler_add(vbi, 0, handler, NULL);
}
