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eliminate fp/int IQ data conversions

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This commit is contained in:
Charles J. Cliffe
2014-12-26 16:15:35 -05:00
parent b487cf9901
commit 45b223aed9
11 changed files with 47 additions and 50 deletions
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src/demod/DemodulatorPreThread.cpp
+4 -7
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@@ -166,9 +166,9 @@ void DemodulatorPreThread::threadMain() {
}
// std::lock_guard < std::mutex > lock(inp->m_mutex);
std::vector<signed char> *data = &inp->data;
std::vector<liquid_float_complex> *data = &inp->data;
if (data->size()) {
int bufSize = data->size() / 2;
int bufSize = data->size();
if (in_buf_data.size() != bufSize) {
if (in_buf_data.capacity() < bufSize) {
@@ -179,15 +179,12 @@ void DemodulatorPreThread::threadMain() {
out_buf_data.resize(bufSize);
}
in_buf_data.assign(inp->data.begin(),inp->data.end());
liquid_float_complex *in_buf = &in_buf_data[0];
liquid_float_complex *out_buf = &out_buf_data[0];
liquid_float_complex *temp_buf = NULL;
for (int i = 0; i < bufSize; i++) {
in_buf[i].real = (float) (*data)[i * 2] / 127.0f;
in_buf[i].imag = (float) (*data)[i * 2 + 1] / 127.0f;
}
if (shift_freq != 0) {
if (shift_freq < 0) {
nco_crcf_mix_block_up(nco_shift, in_buf, out_buf, bufSize);