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));
}
static GstFlowReturn
gst_teletextdec_export_html_page (GstTeletextDec * teletext, vbi_page * page,
GstBuffer ** buf)
{
GstCaps *caps;
GstFlowReturn ret;
gchar *html;
gssize size;
vbi_export *ex;
gchar *err;
if (!(ex = vbi_export_new ("html", &err))) {
GST_ELEMENT_ERROR (teletext, LIBRARY, SETTINGS,
("Can't open the HTML export module: %s", err), (NULL));
g_free (err);
return GST_FLOW_ERROR;
}
/* export to NULL to get size of the memory needed to allocate the page */
size = vbi_export_mem (ex, NULL, 0, page);
if (size < 0)
return GST_FLOW_ERROR;
html = g_malloc (size);
vbi_export_mem (ex, html, size, page);
/* Allocate new buffer */
caps = gst_caps_new_simple ("text/html", NULL);
ret = gst_pad_alloc_buffer (teletext->srcpad, GST_BUFFER_OFFSET_NONE,
size, caps, &(*buf));
if (G_LIKELY (ret == GST_FLOW_OK))
GST_BUFFER_DATA (*buf) = GST_BUFFER_MALLOCDATA (*buf) = (guint8 *) html;
gst_caps_unref (caps);
return ret;
}
static void
init_export_module (const char * module_name)
{
const vbi_export_info *xi;
char *errstr;
errstr = NULL; /* just in case */
ex = vbi_export_new (module_name, &errstr);
if (NULL == ex) {
error_exit (_("Cannot open export module '%s': %s"),
module_name, errstr);
/* NB. free (errstr); here if you don't exit(). */
}
if (0 == strncmp (module_name, "html", 4)) {
if (option_hyperlinks)
vbi_export_set_link_cb (ex, export_link,
/* user_data */ NULL);
if (option_pdc_links)
vbi_export_set_pdc_cb (ex, export_pdc,
/* user_data */ NULL);
}
xi = vbi_export_info_from_export (ex);
if (NULL == xi)
no_mem_exit ();
if (NULL == out_file_name_suffix) {
char *end = NULL;
out_file_name_suffix = strdup (xi->extension);
if (NULL == out_file_name_suffix)
no_mem_exit ();
out_file_name_suffix = strtok_r (out_file_name_suffix,
",", &end);
}
#if 3 == VBI_VERSION_MINOR
if (xi->open_format)
option_subtitles ^= TRUE;
#endif
}
static void
list_modules (void)
{
const vbi_export_info *xi;
unsigned int i;
for (i = 0; (xi = vbi_export_info_enum (i)); ++i) {
vbi_export *ex;
printf ("'%s' - %s\n",
_(xi->keyword),
_(xi->tooltip));
ex = vbi_export_new (xi->keyword, /* errstr */ NULL);
if (NULL == ex)
no_mem_exit ();
list_options (ex);
vbi_export_delete (ex);
ex = NULL;
}
}
