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vdr-plugin-satip/common.c

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/*
* common.c: SAT>IP plugin for the Video Disk Recorder
*
* See the README file for copyright information and how to reach the author.
*
*/
#include <ctype.h>
#include <vdr/tools.h>
#include "common.h"
uint16_t ts_pid(const uint8_t *bufP)
{
return (uint16_t)(((bufP[1] & 0x1f) << 8) + bufP[2]);
}
uint8_t payload(const uint8_t *bufP)
{
if (!(bufP[3] & 0x10)) // no payload?
return 0;
if (bufP[3] & 0x20) { // adaptation field?
if (bufP[4] > 183) // corrupted data?
return 0;
else
return (uint8_t)((184 - 1) - bufP[4]);
}
return 184;
}
const char *id_pid(const u_short pidP)
{
for (int i = 0; i < SECTION_FILTER_TABLE_SIZE; ++i) {
if (pidP == section_filter_table[i].pid)
return section_filter_table[i].tag;
}
return "---";
}
char *StripTags(char *strP)
{
if (strP) {
char *c = strP, *r = strP, t = 0;
while (*strP) {
if (*strP == '<')
++t;
else if (*strP == '>')
--t;
else if (t < 1)
*(c++) = *strP;
++strP;
}
*c = 0;
return r;
}
return NULL;
}
char *SkipZeroes(const char *strP)
{
if ((uchar)*strP != '0')
return (char *)strP;
while (*strP && (uchar)*strP == '0')
strP++;
return (char *)strP;
}
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cString ChangeCase(const cString &strP, bool upperP)
{
cString res(strP);
char *p = (char *)*res;
while (p && *p) {
*p = upperP ? toupper(*p) : tolower(*p);
++p;
}
return res;
}
const section_filter_table_type section_filter_table[SECTION_FILTER_TABLE_SIZE] =
{
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// description tag pid tid mask
{trNOOP("PAT (0x00)"), "PAT", 0x00, 0x00, 0xFF},
{trNOOP("NIT (0x40)"), "NIT", 0x10, 0x40, 0xFF},
{trNOOP("SDT (0x42)"), "SDT", 0x11, 0x42, 0xFF},
{trNOOP("EIT (0x4E/0x4F/0x5X/0x6X)"), "EIT", 0x12, 0x40, 0xC0},
{trNOOP("TDT (0x70)"), "TDT", 0x14, 0x70, 0xFF},
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};
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const ca_systems_table_type ca_systems_table[CA_SYSTEMS_TABLE_SIZE] =
{
// http://www.dvb.org/index.php?id=174
// http://en.wikipedia.org/wiki/Conditional_access_system
// start end description
{0x0000, 0x0000, "---" }, // 0
{0x0100, 0x01FF, "SECA Mediaguard (100..1FF)"}, // 1
{0x0464, 0x0464, "EuroDec (464)" }, // 2
{0x0500, 0x05FF, "Viaccess (500..5FF)" }, // 3
{0x0600, 0x06FF, "Irdeto (600..6FF)" }, // 4
{0x0700, 0x07FF, "DigiCipher 2 (700..7FF)" }, // 5
{0x0900, 0x09FF, "NDS Videoguard (900..9FF)" }, // 6
{0x0B00, 0x0BFF, "Conax (B00..BFF)" }, // 7
{0x0D00, 0x0DFF, "CryptoWorks (D00..DFF)" }, // 8
{0x0E00, 0x0EFF, "PowerVu (E00..EFF)" }, // 9
{0x1000, 0x10FF, "RAS (1000..10FF)" }, // 10
{0x1200, 0x12FF, "NagraVision (1200..12FF)" }, // 11
{0x1700, 0x17FF, "VCAS (1700..17FF)" }, // 12
{0x1800, 0x18FF, "NagraVision (1800..18FF)" }, // 13
{0x22F0, 0x22F0, "Codicrypt (22F0)" }, // 14
{0x2600, 0x2600, "BISS (2600)" }, // 15
{0x2719, 0x2719, "VanyaCas (2719)" }, // 16
{0x4347, 0x4347, "CryptOn (4347)" }, // 17
{0x4800, 0x4800, "Accessgate (4800)" }, // 18
{0x4900, 0x4900, "China Crypt (4900)" }, // 19
{0x4A02, 0x4A02, "Tongfang (4A02)" }, // 20
{0x4A10, 0x4A10, "EasyCas (4A10)" }, // 21
{0x4A20, 0x4A20, "AlphaCrypt (4A20)" }, // 22
{0x4A60, 0x4A60, "SkyCrypt (4A60)" }, // 23
{0x4A61, 0x4A61, "Neotioncrypt (4A61)" }, // 24
{0x4A62, 0x4A62, "SkyCrypt (4A62)" }, // 25
{0x4A63, 0x4A63, "Neotion SHL (4A63)" }, // 26
{0x4A64, 0x4A6F, "SkyCrypt (4A64)" }, // 27
{0x4A70, 0x4A70, "DreamCrypt (4A70)" }, // 28
{0x4A80, 0x4A80, "ThalesCrypt (4A80)" }, // 29
{0x4AA1, 0x4AA1, "KeyFly (4AA1)" }, // 30
{0x4ABF, 0x4ABF, "CTI-CAS (4ABF)" }, // 31
{0x4AC1, 0x4AC1, "Latens (4AC1)" }, // 32
{0x4AD0, 0x4AD1, "X-Crypt (4AD0)" }, // 33
{0x4AD4, 0x4AD4, "OmniCrypt (4AD4)" }, // 34
{0x4AE0, 0x4AE1, "Z-Crypt (4AE0)" }, // 35
{0x4AE4, 0x4AE4, "CoreCrypt (4AE4)" }, // 36
{0x4AE5, 0x4AE5, "PRO-Crypt (4AE5)" }, // 37
{0x4AEA, 0x4AEA, "Cryptoguard (4AEA)" }, // 38
{0x4AEB, 0x4AEB, "Abel Quintic (4AEB)" }, // 39
{0x4AF0, 0x4AF0, "ABV (4AF0)" }, // 40
{0x5500, 0x5500, "Z-Crypt (5500)" }, // 41
{0x5501, 0x5501, "Griffin (5501)" }, // 42
{0x5581, 0x5581, "Bulcrypt (5581)" }, // 43
{0x7BE1, 0x7BE1, "DRE-Crypt (7BE1)" }, // 44
{0xA101, 0xA101, "RosCrypt-M (A101)" }, // 45
{0xEAD0, 0xEAD0, "VanyaCas (EAD0)" }, // 46
};
bool checkCASystem(unsigned int cicamP, int caidP)
{
// always skip the first row
if ((cicamP > 0) && (cicamP < ELEMENTS(ca_systems_table)))
return ((caidP >= ca_systems_table[cicamP].start) && (caidP <= ca_systems_table[cicamP].end));
return false;
}