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switched all streams to double buffering

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This commit is contained in:
Ryzerth
2020-12-25 16:58:07 +01:00
parent 450896b122
commit 42bc2d01f7
17 changed files with 158 additions and 171 deletions
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24
core/src/dsp/demodulator.h
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@ -83,19 +83,17 @@ namespace dsp {
// This is somehow faster than volk...
float diff, currentPhase;
if (out.aquire() < 0) { return -1; }
for (int i = 0; i < count; i++) {
currentPhase = fast_arctan2(_in->data[i].i, _in->data[i].q);
currentPhase = fast_arctan2(_in->readBuf[i].i, _in->readBuf[i].q);
diff = currentPhase - phase;
if (diff > 3.1415926535f) { diff -= 2 * 3.1415926535f; }
else if (diff <= -3.1415926535f) { diff += 2 * 3.1415926535f; }
out.data[i] = diff / phasorSpeed;
out.writeBuf[i] = diff / phasorSpeed;
phase = currentPhase;
}
_in->flush();
out.write(count);
if (!out.swap(count)) { return -1; }
return count;
}
@ -135,19 +133,18 @@ namespace dsp {
count = _in->read();
if (count < 0) { return -1; }
if (out.aquire() < 0) { return -1; }
volk_32fc_magnitude_32f(out.data, (lv_32fc_t*)_in->data, count);
volk_32fc_magnitude_32f(out.writeBuf, (lv_32fc_t*)_in->readBuf, count);
_in->flush();
volk_32f_accumulator_s32f(&avg, out.data, count);
volk_32f_accumulator_s32f(&avg, out.writeBuf, count);
avg /= (float)count;
for (int i = 0; i < count; i++) {
out.data[i] -= avg;
out.writeBuf[i] -= avg;
}
out.write(count);
if (!out.swap(count)) { return -1; }
return count;
}
@ -259,12 +256,11 @@ namespace dsp {
count = _in->read();
if (count < 0) { return -1; }
if (out.aquire() < 0) { return -1; }
volk_32fc_s32fc_x2_rotator_32fc(buffer, (lv_32fc_t*)_in->data, phaseDelta, &phase, count);
volk_32fc_deinterleave_real_32f(out.data, buffer, count);
volk_32fc_s32fc_x2_rotator_32fc(buffer, (lv_32fc_t*)_in->readBuf, phaseDelta, &phase, count);
volk_32fc_deinterleave_real_32f(out.writeBuf, buffer, count);
_in->flush();
out.write(count);
if (!out.swap(count)) { return -1; }
return count;
}