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1ebf3ac7d9
Origin commit data
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Branch: master
Commit: 890f4e2ea3
Author: max_10 <max_10@gmx.de>
Date: 2015-11-10 (Tue, 10 Nov 2015)
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No further description and justification available within origin commit message!
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This commit was generated by Migit
106 lines
1.9 KiB
C++
106 lines
1.9 KiB
C++
#include <stdio.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <stdint.h>
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#include <linux/dvb/ca.h>
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#include "misc.h"
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#include "descrambler.h"
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static const char * FILENAME = "[descrambler]";
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/* alles im Kernel Header ca.h definiert da es der player2 auch braucht
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enum ca_descr_data_type {
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CA_DATA_IV,
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CA_DATA_KEY,
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};
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enum ca_descr_parity {
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CA_PARITY_EVEN,
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CA_PARITY_ODD,
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};
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struct ca_descr_data {
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unsigned int index;
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enum ca_descr_parity parity;
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enum ca_descr_data_type data_type;
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unsigned int length;
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unsigned char *data;
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};
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#define CA_SET_DESCR_DATA _IOW('o', 137, struct ca_descr_data)
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*/
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static int desc_fd;
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int descrambler_set_key(int index, int parity, unsigned char *data)
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{
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struct ca_descr_data d;
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printf("%s -> %s\n", FILENAME, __FUNCTION__);
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d.index = index;
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d.parity = (ca_descr_parity)parity;
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d.data_type = CA_DATA_KEY;
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d.length = 16;
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d.data = data;
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printf("Index: %d Parity: %d Type CA_DATA_KEY= %d\n", d.index, d.parity, d.data_type);
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hexdump(d.data, 16);
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if (ioctl(desc_fd, CA_SET_DESCR_DATA, &d))
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printf("CA_SET_DESCR_DATA\n");
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d.index = index;
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d.parity = (ca_descr_parity)parity;
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d.data_type = CA_DATA_IV;
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d.length = 16;
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d.data = data + 16;
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printf("Index: %d Parity: %d Type CA_DATA_IV= %d\n", d.index, d.parity, d.data_type);
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hexdump(d.data, 16);
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if (ioctl(desc_fd, CA_SET_DESCR_DATA, &d))
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printf("CA_SET_DESCR_DATA\n");
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return 0;
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}
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int descrambler_set_pid(int index, int enable, int pid)
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{
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struct ca_pid p;
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if (enable)
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p.index = index;
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else
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p.index = -1;
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p.pid = pid;
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if (ioctl(desc_fd, CA_SET_PID, &p))
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printf("CA_SET_PID\n");
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return 0;
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}
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int descrambler_init(void)
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{
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const char *filename = "/dev/dvb/adapter0/ca1";
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printf("%s -> %s\n", FILENAME, __FUNCTION__);
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desc_fd = open(filename, O_RDWR | O_NONBLOCK );
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if (desc_fd <= 0) {
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printf("cannot open %s\n", filename);
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return -1;
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}
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return 0;
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}
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void descrambler_deinit(void)
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{
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close(desc_fd);
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}
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