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our current experimental Neutrino branch

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git-svn-id: file:///home/bas/coolstream_public_svn/THIRDPARTY/applications/neutrino-experimental@27 e54a6e83-5905-42d5-8d5c-058d10e6a962
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mrcolor
2009-12-08 11:05:11 +00:00
commit bc5bd4154e
876 changed files with 193775 additions and 0 deletions
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50
lib/libdvbsub/helpers.cpp Normal file
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#include <inttypes.h>
#include "helpers.hpp"
/* Max 24 bit */
uint32_t getbits(const uint8_t* buf, uint32_t offset, uint8_t len)
{
const uint8_t* a = buf + (offset / 8);
uint32_t retval = 0;
uint32_t mask = 1;
retval = ((*(a)<<8) | *(a+1));
mask <<= len;
if (len > 8) {
retval <<= 8;
retval |= *(a+2);
len -= 8;
}
if (len > 8) {
retval <<= 8;
retval |= *(a+3);
len -= 8;
}
if (len > 8) {
unsigned long long tmp = retval << 8;
tmp |= *(a+4);
tmp >>= ((8-(offset%8)) + (8-(len)));
return tmp & (mask -1);
}
retval >>= ((8-(offset%8)) + (8-len));
return retval & (mask -1);
}
#if 0
void hexdump(uint8_t* buf)
{
int i;
for (i = 0 ; i < 16 ; i++) {
debug.print(Debug::DEBUG, "%02x ", buf[i]);
}
debug.print(Debug::DEBUG, "\n");
for (i = 16 ; i < 32 ; i++) {
debug.print(Debug::DEBUG, "%02x ", buf[i]);
}
debug.print(Debug::DEBUG, "\n");
}
#endif