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DeCSA.h
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DeCSA.h
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/*
* vdr-plugin-dvbapi - softcam dvbapi plugin for VDR
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef ___DECSA_H
#define ___DECSA_H
#include <linux/dvb/ca.h>
#include <vdr/dvbdevice.h>
#include <vdr/thread.h>
#define MAX_CSA_PIDS 8192
#define MAX_CSA_IDX 16
#define MAX_STALL_MS 70
#define MAX_REL_WAIT 100 // time to wait if key in used on set
#define MAX_KEY_WAIT 500 // time to wait if key not ready on change
#define FL_EVEN_GOOD 1
#define FL_ODD_GOOD 2
#define FL_ACTIVITY 4
class DeCSA
{
private:
int cs;
unsigned char **range, *lastData;
unsigned char pidmap[MAX_CSA_PIDS];
void *keys[MAX_CSA_IDX];
unsigned int even_odd[MAX_CSA_IDX], flags[MAX_CSA_IDX];
cMutex mutex;
cCondVar wait;
cTimeMs stall;
bool active;
int cardindex;
bool GetKeyStruct(int idx);
void ResetState(void);
public:
DeCSA(int CardIndex);
~DeCSA();
bool Decrypt(unsigned char *data, int len, bool force);
bool SetDescr(ca_descr_t *ca_descr, bool initial);
bool SetCaPid(ca_pid_t *ca_pid);
void SetActive(bool on);
};
#endif // ___DECSA_H