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vdr-plugin-satip/common.c
2014-04-04 00:56:00 +03:00

80 lines
1.8 KiB
C

/*
* 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;
}
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] =
{
/* 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},
};