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Add HPF to SS4, SS3, and SS Audio Methods;

This commit is contained in:
lwvmobile 2024-03-23 21:12:44 -04:00
parent e8184c7fbd
commit 89ad0f17e3
1 changed files with 27 additions and 2 deletions
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29
src/dsd_audio2.c
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@ -12,6 +12,9 @@
#include "dsd.h"
#include <math.h>
//NOTE: Tones produce ringing sound when put through the hpf_d, may want to look into tweaking it,
//or looking for a way to store is_tone by glancing at ambe_d values and not running hpf_d on them
//TODO: WAV File saving (works fine on shorts, but on float, writing short to wav is not auto-gained,
//so super quiet, either convert to float wav files, or run processAudio AFTER memcpy of the temp_buf)
@ -785,6 +788,10 @@ void playSynthesizedVoiceSS (dsd_opts * opts, dsd_state * state)
//likewise, override and unmute if TG hold matches TG
if (state->tg_hold != 0 && state->tg_hold == TGL) encL = 0;
//test hpf
if (opts->use_hpf_d == 1)
hpf_dL(state, state->s_l, 160);
//interleave left and right channels from the short storage area
for (i = 0; i < 160; i++)
{
@ -1057,7 +1064,7 @@ void playSynthesizedVoiceSS4 (dsd_opts * opts, dsd_state * state)
short stereo_samp2[320]; //8k 2-channel stereo interleave mix
short stereo_samp3[320]; //8k 2-channel stereo interleave mix
short stereo_samp4[320];
short empss[160]; //this is used to see if we want to run HPF on an empty set
short empty[320]; //this is used to see if we want to play a single 2v or double 2v or not
memset (stereo_samp1, 0, sizeof(stereo_samp1));
@ -1066,7 +1073,7 @@ void playSynthesizedVoiceSS4 (dsd_opts * opts, dsd_state * state)
memset (stereo_samp4, 0, sizeof(stereo_samp4));
memset (empty, 0, sizeof(empty));
memset (empss, 0, sizeof(empss));
//p25p2 enc checkdown for whether or not to fill the stereo sample or not for playback or writing
encL = encR = 1;
@ -1149,6 +1156,24 @@ void playSynthesizedVoiceSS4 (dsd_opts * opts, dsd_state * state)
if (state->tg_hold != 0 && state->tg_hold == TGL) encL = 0;
if (state->tg_hold != 0 && state->tg_hold == TGR) encR = 0;
//test hpf
if (opts->use_hpf_d == 1)
{
hpf_dL(state, state->s_l4[0], 160);
hpf_dL(state, state->s_l4[1], 160);
if (memcmp(empss, state->s_l4[2], sizeof(empss)) != 0)
hpf_dL(state, state->s_l4[2], 160);
if (memcmp(empss, state->s_l4[3], sizeof(empss)) != 0)
hpf_dL(state, state->s_l4[3], 160);
hpf_dR(state, state->s_r4[0], 160);
hpf_dR(state, state->s_r4[1], 160);
if (memcmp(empss, state->s_r4[2], sizeof(empss)) != 0)
hpf_dR(state, state->s_r4[2], 160);
if (memcmp(empss, state->s_r4[3], sizeof(empss)) != 0)
hpf_dR(state, state->s_r4[3], 160);
}
//interleave left and right channels from the short storage area
for (i = 0; i < 160; i++)
{