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Diffstat (limited to '')
| -rw-r--r-- | util/zap/zap_ca.c | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/util/zap/zap_ca.c b/util/zap/zap_ca.c new file mode 100644 index 0000000..b78fdcf --- /dev/null +++ b/util/zap/zap_ca.c @@ -0,0 +1,198 @@ +/* + 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; +} |