void run_loop() {
while (1) {
protocol_with_recv_frame(^uint8 (protocol_frame* frame) {
switch (frame->id) {
case TERMINATE_ID:
_terminate(0);
break;
case CHECK_REQ_ID:
handle_check(frame);
break;
case QUERY_REQ_ID:
handle_query();
break;
case DOUBLE_REQ_ID:
handle_double(frame);
break;
default:
handle_unrecognized_id(frame->id);
return 0;
};
return 1;
});
}
/* Handle Command, special char or attribute and also check for
* channel changes.
* Returns 1 if something was written to screen, 0 otherwise */
int disCommand(unsigned char hi, unsigned char lo, ccx_decoder_608_context *context, struct cc_subtitle *sub)
{
int wrote_to_screen=0;
/* Full channel changes are only allowed for "GLOBAL CODES",
* "OTHER POSITIONING CODES", "BACKGROUND COLOR CODES",
* "MID-ROW CODES".
* "PREAMBLE ACCESS CODES", "BACKGROUND COLOR CODES" and
* SPECIAL/SPECIAL CHARACTERS allow only switching
* between 1&3 or 2&4. */
context->new_channel = check_channel(hi, context);
//if (wb->data608->channel!=cc_channel)
// continue;
if (hi>=0x18 && hi<=0x1f)
hi=hi-8;
switch (hi)
{
case 0x10:
if (lo>=0x40 && lo<=0x5f)
handle_pac(hi, lo, context);
break;
case 0x11:
if (lo>=0x20 && lo<=0x2f)
handle_text_attr(hi, lo, context);
if (lo>=0x30 && lo<=0x3f)
{
wrote_to_screen=1;
handle_double(hi, lo, context);
}
if (lo>=0x40 && lo<=0x7f)
handle_pac(hi, lo, context);
break;
case 0x12:
case 0x13:
if (lo>=0x20 && lo<=0x3f)
{
wrote_to_screen = handle_extended(hi, lo, context);
}
if (lo>=0x40 && lo<=0x7f)
handle_pac(hi, lo, context);
break;
case 0x14:
case 0x15:
if (lo>=0x20 && lo<=0x2f)
handle_command(hi, lo, context, sub);
if (lo>=0x40 && lo<=0x7f)
handle_pac(hi, lo, context);
break;
case 0x16:
if (lo>=0x40 && lo<=0x7f)
handle_pac(hi, lo, context);
break;
case 0x17:
if (lo>=0x21 && lo<=0x23)
handle_command(hi, lo, context, sub);
if (lo>=0x2e && lo<=0x2f)
handle_text_attr(hi, lo, context);
if (lo>=0x40 && lo<=0x7f)
handle_pac(hi, lo, context);
break;
}
return wrote_to_screen;
}
