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DMR Stereo TDMA

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DMR Stereo TDMA
--play voice in both TDMA slots with the -T option (dsd -fr -T)
--Improved MS voice (mostly working) and data handling (hit or miss)
--pretty pretty colors on the console log output
--rate 3/4 data decoding partially working
This commit is contained in:
lwvmobile
2022-04-30 04:43:03 -04:00
committed by GitHub
parent 8b48328431
commit 3cd1eefad8
29 changed files with 3291 additions and 1003 deletions
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68
src/dsd_upsample.c
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@@ -23,8 +23,19 @@ upsample (dsd_state * state, float invalue)
int i, j, sum;
float *outbuf1, c, d;
outbuf1 = state->audio_out_float_buf_p;
if (state->currentslot == 0 && state->dmr_stereo == 1)
{
outbuf1 = state->audio_out_float_buf_p;
}
if (state->currentslot == 1 && state->dmr_stereo == 1)
{
outbuf1 = state->audio_out_float_buf_pR;
}
if (state->dmr_stereo == 0)
{
outbuf1 = state->audio_out_float_buf_p;
}
//outbuf1 = state->audio_out_float_buf_p;
outbuf1--;
c = *outbuf1;
d = invalue;
@@ -43,6 +54,33 @@ upsample (dsd_state * state, float invalue)
*outbuf1 = d;
outbuf1++;
if (state->currentslot == 1 && state->dmr_stereo == 1)
{
if (state->audio_out_idx2R > 24)
{
// smoothing
outbuf1 -= 16;
for (j = 0; j < 4; j++)
{
for (i = 0; i < 6; i++)
{
sum = 0;
outbuf1 -= 2;
sum += (int)*outbuf1;
outbuf1 += 2;
sum += (int)*outbuf1;
outbuf1 += 2;
sum += (int)*outbuf1;
outbuf1 -= 2;
*outbuf1 = (sum / (float) 3);
outbuf1++;
}
outbuf1 -= 8;
}
}
}
if (state->currentslot == 0 && state->dmr_stereo == 1)
{
if (state->audio_out_idx2 > 24)
{
// smoothing
@@ -65,4 +103,30 @@ upsample (dsd_state * state, float invalue)
outbuf1 -= 8;
}
}
}
if (state->dmr_stereo == 0)
{
if (state->audio_out_idx2 > 24)
{
// smoothing
outbuf1 -= 16;
for (j = 0; j < 4; j++)
{
for (i = 0; i < 6; i++)
{
sum = 0;
outbuf1 -= 2;
sum += (int)*outbuf1;
outbuf1 += 2;
sum += (int)*outbuf1;
outbuf1 += 2;
sum += (int)*outbuf1;
outbuf1 -= 2;
*outbuf1 = (sum / (float) 3);
outbuf1++;
}
outbuf1 -= 8;
}
}
}
}