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/*
ZAP utility CA functions
Copyright (C) 2004, 2005 Manu Abraham <abraham.manu@gmail.com>
Copyright (C) 2006 Andrew de Quincey (adq_dvb@lidskialf.net)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of
the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/poll.h>
#include <pthread.h>
#include <libdvben50221/en50221_stdcam.h>
#include "zap_ca.h"
static int zap_ca_info_callback(void *arg, uint8_t slot_id, uint16_t session_number, uint32_t ca_id_count, uint16_t *ca_ids);
static int zap_ai_callback(void *arg, uint8_t slot_id, uint16_t session_number,
uint8_t application_type, uint16_t application_manufacturer,
uint16_t manufacturer_code, uint8_t menu_string_length,
uint8_t *menu_string);
static void *camthread_func(void* arg);
static struct en50221_transport_layer *tl = NULL;
static struct en50221_session_layer *sl = NULL;
static struct en50221_stdcam *stdcam = NULL;
static int ca_resource_connected = 0;
static int camthread_shutdown = 0;
static pthread_t camthread;
static int seenpmt = 0;
static int moveca = 0;
void zap_ca_start(struct zap_ca_params *params)
{
// create transport layer
tl = en50221_tl_create(1, 16);
if (tl == NULL) {
fprintf(stderr, "Failed to create transport layer\n");
return;
}
// create session layer
sl = en50221_sl_create(tl, 16);
if (sl == NULL) {
fprintf(stderr, "Failed to create session layer\n");
en50221_tl_destroy(tl);
return;
}
// create the stdcam instance
stdcam = en50221_stdcam_create(params->adapter_id, params->caslot_num, tl, sl);
if (stdcam == NULL) {
en50221_sl_destroy(sl);
en50221_tl_destroy(tl);
return;
}
// hook up the AI callbacks
if (stdcam->ai_resource) {
en50221_app_ai_register_callback(stdcam->ai_resource, zap_ai_callback, stdcam);
}
// hook up the CA callbacks
if (stdcam->ca_resource) {
en50221_app_ca_register_info_callback(stdcam->ca_resource, zap_ca_info_callback, stdcam);
}
// any other stuff
moveca = params->moveca;
// start the cam thread
pthread_create(&camthread, NULL, camthread_func, NULL);
}
void zap_ca_stop(void)
{
if (stdcam == NULL)
return;
// shutdown the cam thread
camthread_shutdown = 1;
pthread_join(camthread, NULL);
// destroy session layer
en50221_sl_destroy(sl);
// destroy transport layer
en50221_tl_destroy(tl);
// destroy the stdcam
if (stdcam->destroy)
stdcam->destroy(stdcam, 1);
}
int zap_ca_new_pmt(struct mpeg_pmt_section *pmt)
{
uint8_t capmt[4096];
int size;
if (stdcam == NULL)
return -1;
if (ca_resource_connected) {
fprintf(stderr, "Received new PMT - sending to CAM...\n");
// translate it into a CA PMT
int listmgmt = CA_LIST_MANAGEMENT_ONLY;
if (seenpmt) {
listmgmt = CA_LIST_MANAGEMENT_UPDATE;
}
seenpmt = 1;
if ((size = en50221_ca_format_pmt(pmt, capmt, sizeof(capmt), moveca, listmgmt,
CA_PMT_CMD_ID_OK_DESCRAMBLING)) < 0) {
fprintf(stderr, "Failed to format PMT\n");
return -1;
}
// set it
if (en50221_app_ca_pmt(stdcam->ca_resource, stdcam->ca_session_number, capmt, size)) {
fprintf(stderr, "Failed to send PMT\n");
return -1;
}
// we've seen this PMT
return 1;
}
return 0;
}
void zap_ca_new_dvbtime(time_t dvb_time)
{
if (stdcam == NULL)
return;
if (stdcam->dvbtime)
stdcam->dvbtime(stdcam, dvb_time);
}
static void *camthread_func(void* arg)
{
(void) arg;
while(!camthread_shutdown) {
stdcam->poll(stdcam);
}
return 0;
}
static int zap_ai_callback(void *arg, uint8_t slot_id, uint16_t session_number,
uint8_t application_type, uint16_t application_manufacturer,
uint16_t manufacturer_code, uint8_t menu_string_length,
uint8_t *menu_string)
{
(void) arg;
(void) slot_id;
(void) session_number;
printf("CAM Application type: %02x\n", application_type);
printf("CAM Application manufacturer: %04x\n", application_manufacturer);
printf("CAM Manufacturer code: %04x\n", manufacturer_code);
printf("CAM Menu string: %.*s\n", menu_string_length, menu_string);
return 0;
}
static int zap_ca_info_callback(void *arg, uint8_t slot_id, uint16_t session_number, uint32_t ca_id_count, uint16_t *ca_ids)
{
(void) arg;
(void) slot_id;
(void) session_number;
printf("CAM supports the following ca system ids:\n");
uint32_t i;
for(i=0; i< ca_id_count; i++) {
printf(" 0x%04x\n", ca_ids[i]);
}
ca_resource_connected = 1;
return 0;
}
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