diff options
Diffstat (limited to 'lib/decoding/openbts/ViterbiR204.cpp')
| -rw-r--r-- | lib/decoding/openbts/ViterbiR204.cpp | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/lib/decoding/openbts/ViterbiR204.cpp b/lib/decoding/openbts/ViterbiR204.cpp index 296e292..fe31aad 100644 --- a/lib/decoding/openbts/ViterbiR204.cpp +++ b/lib/decoding/openbts/ViterbiR204.cpp @@ -28,6 +28,7 @@ #include <stdio.h> #include <sstream> #include <string.h> +#include <cstdlib> using namespace std; @@ -70,7 +71,7 @@ void ViterbiR2O4::encode(const BitVector& in, BitVector& target) const assert(sz*coder.iRate() == target.size()); // Build a "history" array where each element contains the full history. - uint32_t history[sz]; + uint32_t * history = (uint32_t *) malloc(sizeof(uint32_t)*sz); uint32_t accum = 0; for (size_t i=0; i<sz; i++) { accum = (accum<<1) | in.bit(i); @@ -85,6 +86,7 @@ void ViterbiR2O4::encode(const BitVector& in, BitVector& target) const *op++ = coder.stateTable(g,index); } } + free(history); } @@ -224,7 +226,7 @@ void ViterbiR2O4::decode(const SoftVector &in, BitVector& target) // Build a "history" array where each element contains the full history. // (pat) We only use every other history element, so why are we setting them? - uint32_t history[ctsz]; + uint32_t * history = (uint32_t *)malloc(sizeof(uint32_t)*ctsz); { BitVector bits = in.sliced(); uint32_t accum = 0; @@ -241,8 +243,8 @@ void ViterbiR2O4::decode(const SoftVector &in, BitVector& target) } // Precompute metric tables. - float matchCostTable[ctsz]; - float mismatchCostTable[ctsz]; + float * matchCostTable = (float *)malloc(sizeof(float)*ctsz); + float * mismatchCostTable = (float *)malloc(sizeof(float)*ctsz); { const float *dp = in.begin(); for (size_t i=0; i<sz; i++) { @@ -296,6 +298,9 @@ void ViterbiR2O4::decode(const SoftVector &in, BitVector& target) // Dont think minCost == NULL can happen. mBitErrorCnt = minCost ? minCost->bitErrorCnt : 0; } + free(history); + free(matchCostTable); + free(mismatchCostTable); } // vim: ts=4 sw=4 |