mirror of
https://github.com/lwvmobile/dsd-fme.git
synced 2026-11-13 09:17:20 -05:00
870 lines
26 KiB
C
870 lines
26 KiB
C
/*-------------------------------------------------------------------------------
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*
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*
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*
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* TODO: Fill me in'
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*
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*
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* LWVMOBILE
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* 2023-07 DSD-FME Florida Man Edition
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*-----------------------------------------------------------------------------*/
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#include "dsd.h"
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//TODO: Test All voice decoders with all combos (short mono, short stereo, float mono, float stereo)
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//TODO: Need Method To Dynamically Close and Open any OSS instances when changing decoding classes from Ncurses Menu (particularly rate and/or channel configs)
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//CHECKLIST(PULSE): DMR BS(OK) DMR MS (OK) P25p1 (OK) P25p2 (OK) YSF (OK) NXDN (OK) M17 (short only!) pV (OK) dPMR (OK) MBEplayback (OK) X2-TDMA (who cares lol) D-STAR (WIP)
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//TODO: WAV File saving (works fine on shorts, but on float, writing short to wav is not auto-gained,
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//so super quiet, either convert to float wav files, or run processAudio AFTER memcpy of the temp_buf)
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void agf (dsd_opts * opts, dsd_state * state, float samp[160], int slot)
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{
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int i, run;
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run = 1;
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float empty[160];
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memset (empty, 0.1f, sizeof(empty));
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float mmax = 0.75f;
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float mmin = -0.75f;
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float aavg = 0.0f; //average of the absolute value
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float df; //decimation value
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if (slot == 0)
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df = (384.0f / (float)opts->pulse_digi_out_channels) * (50.0f - state->aout_gain);
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if (slot == 1)
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df = (384.0f / (float)opts->pulse_digi_out_channels) * (50.0f - state->aout_gainR);
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//this comparison is to determine whether or not to run gain on 'empty' samples (2v last 2, silent frames, etc)
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if (memcmp(empty, samp, sizeof(empty)) == 0) run = 0;
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if (run == 0) goto AGF_END;
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for (i = 0; i < 160; i++)
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{
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samp[i] = samp[i] / df;
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aavg += fabsf(samp[i]);
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//simple clipping
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if (samp[i] > mmax)
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samp[i] = mmax;
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if (samp[i] < mmin)
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samp[i] = mmin;
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}
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aavg /= 160.0f;
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if (slot == 0)
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{
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if (aavg < 0.075f && state->aout_gain < 42.0f) state->aout_gain += 1.0f;
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if (aavg >= 0.075f && state->aout_gain > 1.0f) state->aout_gain -= 1.0f;
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}
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if (slot == 1)
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{
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if (aavg < 0.075f && state->aout_gainR < 42.0f) state->aout_gainR += 1.0f;
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if (aavg >= 0.075f && state->aout_gainR > 1.0f) state->aout_gainR -= 1.0f;
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}
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//debug
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// fprintf (stderr, "\nS%d - DF = %f AAVG = %f", slot, df, aavg);
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AGF_END: ; //do nothing
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}
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//float stereo mix 3v2 DMR
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void playSynthesizedVoiceFS3 (dsd_opts * opts, dsd_state * state)
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{
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//NOTE: This runs once for every two timeslots, if we are in the BS voice loop
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//it doesn't matter if both slots have voice, or if one does, the slot without voice
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//will play silence while this runs if no voice present
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int i;
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uint8_t encL, encR;
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float stereo_samp1[320]; //8k 2-channel stereo interleave mix
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float stereo_samp2[320]; //8k 2-channel stereo interleave mix
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float stereo_samp3[320]; //8k 2-channel stereo interleave mix
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//note, always set a stereo float mix to a baseline value and not zero!
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memset (stereo_samp1, 0.1f, sizeof(stereo_samp1));
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memset (stereo_samp2, 0.1f, sizeof(stereo_samp2));
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memset (stereo_samp3, 0.1f, sizeof(stereo_samp3));
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//dmr enc checkdown for whether or not to fill the stereo sample or not for playback or writing
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encL = encR = 0;
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encL = (state->dmr_so >> 6) & 0x1;
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encR = (state->dmr_soR >> 6) & 0x1;
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//checkdown to see if we can lift the 'mute' if a key is available
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if (encL)
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{
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if (state->payload_algid == 0)
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{
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if (state->K != 0 || state->K1 != 0)
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{
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encL = 0;
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}
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}
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else if (state->payload_algid == 0x21)
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{
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if (state->R != 0)
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{
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encL = 0;
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}
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}
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}
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if (encR)
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{
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if (state->payload_algidR == 0)
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{
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if (state->K != 0 || state->K1 != 0)
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{
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encR = 0;
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}
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}
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else if (state->payload_algidR == 0x21)
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{
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if (state->RR != 0)
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{
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encR = 0;
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}
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}
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}
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//TODO: add option to bypass enc with a toggle as well
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//CHEAT: Using the slot on/off, use that to set encL or encR back on
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//as a simple way to turn off voice synthesis in a particular slot
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//its not really 'disabled', we just aren't playing it
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if (opts->slot1_on == 0) encL = 1;
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if (opts->slot2_on == 0) encR = 1;
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//run autogain on the f_ buffers
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agf (opts, state, state->f_l4[0],0);
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agf (opts, state, state->f_r4[0],1);
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agf (opts, state, state->f_l4[1],0);
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agf (opts, state, state->f_r4[1],1);
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agf (opts, state, state->f_l4[2],0);
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agf (opts, state, state->f_r4[2],1);
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//interleave left and right channels from the temp (float) buffer with makeshift 'volume' decimation
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for (i = 0; i < 160; i++)
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{
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if (!encL)
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stereo_samp1[i*2+0] = state->f_l4[0][i];
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if (!encR)
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stereo_samp1[i*2+1] = state->f_r4[0][i];
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}
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for (i = 0; i < 160; i++)
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{
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if (!encL)
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stereo_samp2[i*2+0] = state->f_l4[1][i];
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if (!encR)
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stereo_samp2[i*2+1] = state->f_r4[1][i];
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}
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for (i = 0; i < 160; i++)
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{
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if (!encL)
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stereo_samp3[i*2+0] = state->f_l4[2][i];
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if (!encR)
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stereo_samp3[i*2+1] = state->f_r4[2][i];
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}
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//at this point, if both channels are still flagged as enc, then we can skip all playback/writing functions
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if (encL && encR)
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goto FS3_END;
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if (opts->audio_out_type == 0) //Pulse Audio
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{
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pa_simple_write(opts->pulse_digi_dev_out, stereo_samp1, 320*4, NULL); //switch to sizeof(stereo_samp1) * 2?
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pa_simple_write(opts->pulse_digi_dev_out, stereo_samp2, 320*4, NULL);
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pa_simple_write(opts->pulse_digi_dev_out, stereo_samp3, 320*4, NULL);
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}
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//No OSS, since we can't use float output, but STDOUT can with play, aplay, etc
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if (opts->audio_out_type == 1) //STDOUT (still need these seperated? or not really?)
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{
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write (opts->audio_out_fd, stereo_samp1, 320*4);
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write (opts->audio_out_fd, stereo_samp2, 320*4);
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write (opts->audio_out_fd, stereo_samp3, 320*4);
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}
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FS3_END:
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memset (state->audio_out_temp_buf, 0.1f, sizeof(state->audio_out_temp_buf));
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memset (state->audio_out_temp_bufR, 0.1f, sizeof(state->audio_out_temp_bufR));
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//set float temp buffer to baseline
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memset (state->f_l4, 0.1f, sizeof(state->f_l4));
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memset (state->f_r4, 0.1f, sizeof(state->f_r4));
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//if we don't run processAudio, then I don't think we really need any of the items below active
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state->audio_out_idx = 0;
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state->audio_out_idxR = 0;
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if (state->audio_out_idx2 >= 800000)
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{
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state->audio_out_float_buf_p = state->audio_out_float_buf + 100;
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state->audio_out_buf_p = state->audio_out_buf + 100;
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memset (state->audio_out_float_buf, 0, 100 * sizeof (float));
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memset (state->audio_out_buf, 0, 100 * sizeof (short));
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state->audio_out_idx2 = 0;
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}
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if (state->audio_out_idx2R >= 800000)
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{
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state->audio_out_float_buf_pR = state->audio_out_float_bufR + 100;
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state->audio_out_buf_pR = state->audio_out_bufR + 100;
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memset (state->audio_out_float_bufR, 0, 100 * sizeof (float));
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memset (state->audio_out_bufR, 0, 100 * sizeof (short));
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state->audio_out_idx2R = 0;
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}
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}
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//float stereo mix 4v2 P25p2
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void playSynthesizedVoiceFS4 (dsd_opts * opts, dsd_state * state)
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{
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//NOTE: This will run for every TS % 2, except on SACCH inverted slots (10 and 11)
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//WIP: Get the real TS number out of the P25p2 frame, and not our ts_counter values
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int i, encL, encR;
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float stereo_samp1[320]; //8k 2-channel stereo interleave mix
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float stereo_samp2[320]; //8k 2-channel stereo interleave mix
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float stereo_samp3[320]; //8k 2-channel stereo interleave mix
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float stereo_samp4[320]; //8k 2-channel stereo interleave mix
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float empty[320]; //this is used to see if we want to play a single 2v or double 2v or not
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//p25p2 enc checkdown for whether or not to fill the stereo sample or not for playback or writing
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encL = encR = 1;
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if (state->payload_algid == 0 || state->payload_algid == 0x80)
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encL = 0;
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if (state->payload_algidR == 0 || state->payload_algidR == 0x80)
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encR = 0;
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//checkdown to see if we can lift the 'mute' if a key is available
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if (encL)
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{
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if (state->payload_algid == 0xAA)
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{
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if (state->R != 0)
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{
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encL = 0;
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}
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}
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}
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if (encR)
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{
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if (state->payload_algidR == 0xAA)
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{
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if (state->RR != 0)
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{
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encR = 0;
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}
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}
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}
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//note, always set a stereo float mix to a baseline value and not zero!
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memset (stereo_samp1, 0.1f, sizeof(stereo_samp1));
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memset (stereo_samp2, 0.1f, sizeof(stereo_samp2));
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memset (stereo_samp3, 0.1f, sizeof(stereo_samp3));
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memset (stereo_samp4, 0.1f, sizeof(stereo_samp4));
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memset (empty, 0.1f, sizeof(empty));
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//run autogain on the f_ buffers
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agf (opts, state, state->f_l4[0],0);
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agf (opts, state, state->f_r4[0],1);
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agf (opts, state, state->f_l4[1],0);
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agf (opts, state, state->f_r4[1],1);
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agf (opts, state, state->f_l4[2],0); //doing 2 and 3 here will break the memcmp below, so we also do it on empty
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agf (opts, state, state->f_r4[2],1);
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agf (opts, state, state->f_l4[3],0);
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agf (opts, state, state->f_r4[3],1);
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agf (opts, state, empty,2); //running empty may cause auto gain control issues, and also any auto gain applied here will invalidate the memcmp
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//interleave left and right channels from the temp (float) buffer with makeshift 'volume' decimation
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for (i = 0; i < 160; i++)
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{
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if (!encL)
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stereo_samp1[i*2+0] = state->f_l4[0][i]; // / ((float) 480.0f*10.0f)
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if (!encR)
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stereo_samp1[i*2+1] = state->f_r4[0][i];
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}
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for (i = 0; i < 160; i++)
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{
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if (!encL)
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stereo_samp2[i*2+0] = state->f_l4[1][i];
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if (!encR)
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stereo_samp2[i*2+1] = state->f_r4[1][i];
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}
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for (i = 0; i < 160; i++)
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{
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if (!encL)
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stereo_samp3[i*2+0] = state->f_l4[2][i];
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if (!encR)
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stereo_samp3[i*2+1] = state->f_r4[2][i];
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}
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for (i = 0; i < 160; i++)
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{
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if (!encL)
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stereo_samp4[i*2+0] = state->f_l4[3][i];
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if (!encR)
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stereo_samp4[i*2+1] = state->f_r4[3][i];
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}
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//CHEAT: Using the slot on/off, use that to set encL or encR back on
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//as a simple way to turn off voice synthesis in a particular slot
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//its not really 'disabled', we just aren't playing it
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if (opts->slot1_on == 0) encL = 1;
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if (opts->slot2_on == 0) encR = 1;
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if (encL && encR)
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goto END_FS4;
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if (opts->audio_out_type == 0) //Pulse Audio
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{
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pa_simple_write(opts->pulse_digi_dev_out, stereo_samp1, 320*4, NULL); //switch to sizeof(stereo_samp1) * 2?
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pa_simple_write(opts->pulse_digi_dev_out, stereo_samp2, 320*4, NULL);
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//only play these two if not a single 2v or double 2v (minor skip can still occur on a 4v and 2v combo, but will probably only be perceivable if one is a tone)
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if (memcmp(empty, stereo_samp3, sizeof(empty)) != 0)
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pa_simple_write(opts->pulse_digi_dev_out, stereo_samp3, 320*4, NULL);
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if (memcmp(empty, stereo_samp4, sizeof(empty)) != 0)
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pa_simple_write(opts->pulse_digi_dev_out, stereo_samp4, 320*4, NULL);
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}
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//No OSS, since we can't use float output, but the STDOUT can with play, aplay, etc
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if (opts->audio_out_type == 1) //STDOUT
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{
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write (opts->audio_out_fd, stereo_samp1, 320*4);
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write (opts->audio_out_fd, stereo_samp2, 320*4);
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//only play these two if not a single 2v or double 2v (minor skip can still occur on a 4v and 2v combo, but will probably only be perceivable if one is a tone)
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if (memcmp(empty, stereo_samp3, sizeof(empty)) != 0)
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write (opts->audio_out_fd, stereo_samp3, 320*4);
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if (memcmp(empty, stereo_samp4, sizeof(empty)) != 0)
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write (opts->audio_out_fd, stereo_samp4, 320*4);
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}
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END_FS4:
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memset (state->audio_out_temp_buf, 0.1f, sizeof(state->audio_out_temp_buf));
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memset (state->audio_out_temp_bufR, 0.1f, sizeof(state->audio_out_temp_bufR));
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//set float temp buffer to baseline
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memset (state->f_l4, 0.1f, sizeof(state->f_l4));
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memset (state->f_r4, 0.1f, sizeof(state->f_r4));
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//if we don't run processAudio, then I don't think we really need any of the items below active
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state->audio_out_idx = 0;
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state->audio_out_idxR = 0;
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if (state->audio_out_idx2 >= 800000)
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{
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state->audio_out_float_buf_p = state->audio_out_float_buf + 100;
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state->audio_out_buf_p = state->audio_out_buf + 100;
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memset (state->audio_out_float_buf, 0, 100 * sizeof (float));
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memset (state->audio_out_buf, 0, 100 * sizeof (short));
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state->audio_out_idx2 = 0;
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}
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if (state->audio_out_idx2R >= 800000)
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{
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state->audio_out_float_buf_pR = state->audio_out_float_bufR + 100;
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state->audio_out_buf_pR = state->audio_out_bufR + 100;
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memset (state->audio_out_float_bufR, 0, 100 * sizeof (float));
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memset (state->audio_out_bufR, 0, 100 * sizeof (short));
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state->audio_out_idx2R = 0;
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}
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}
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//float stereo mix -- when using P25p1 and P25p2, we need to send P25p1 to this, also DMR MS/Simplex and YSF
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void playSynthesizedVoiceFS (dsd_opts * opts, dsd_state * state)
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{
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int i;
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int encL;
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float stereo_samp1[320]; //8k 2-channel stereo interleave mix
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//note, always set a stereo float mix to a baseline value and not zero!
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memset (stereo_samp1, 0.1f, sizeof(stereo_samp1));
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//TODO: ENC Check on P25p1, NXDN, dPMR, etc
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encL = 0;
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//TODO: add option to bypass enc with a toggle as well
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if (opts->slot1_on == 0) encL = 1;
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//run autogain on the f_ buffers
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agf (opts, state, state->f_l,0);
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//at this point, if both channels are still flagged as enc, then we can skip all playback/writing functions
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if (encL)
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goto FS_END;
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//interleave left and right channels from the temp (float) buffer with makeshift 'volume' decimation
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for (i = 0; i < 160; i++)
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{
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if (!encL)
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stereo_samp1[i*2+0] = state->f_l[i];
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//test loading right side with same
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if (!encL)
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stereo_samp1[i*2+1] = state->f_l[i];
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}
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if (opts->audio_out_type == 0) //Pulse Audio
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pa_simple_write(opts->pulse_digi_dev_out, stereo_samp1, 320*4, NULL); //switch to sizeof(stereo_samp1) * 2?
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//No OSS, since we can't use float output, but STDOUT can with play, aplay, etc
|
|
|
|
if (opts->audio_out_type == 1)
|
|
write (opts->audio_out_fd, stereo_samp1, 320*4);
|
|
|
|
|
|
FS_END:
|
|
|
|
memset (state->audio_out_temp_buf, 0.1f, sizeof(state->audio_out_temp_buf));
|
|
memset (state->audio_out_temp_bufR, 0.1f, sizeof(state->audio_out_temp_bufR));
|
|
|
|
//set float temp buffer to baseline
|
|
memset (state->f_l4, 0.1f, sizeof(state->f_l4));
|
|
memset (state->f_r4, 0.1f, sizeof(state->f_r4));
|
|
|
|
//if we don't run processAudio, then I don't think we really need any of the items below active
|
|
state->audio_out_idx = 0;
|
|
state->audio_out_idxR = 0;
|
|
|
|
if (state->audio_out_idx2 >= 800000)
|
|
{
|
|
state->audio_out_float_buf_p = state->audio_out_float_buf + 100;
|
|
state->audio_out_buf_p = state->audio_out_buf + 100;
|
|
memset (state->audio_out_float_buf, 0, 100 * sizeof (float));
|
|
memset (state->audio_out_buf, 0, 100 * sizeof (short));
|
|
state->audio_out_idx2 = 0;
|
|
}
|
|
|
|
if (state->audio_out_idx2R >= 800000)
|
|
{
|
|
state->audio_out_float_buf_pR = state->audio_out_float_bufR + 100;
|
|
state->audio_out_buf_pR = state->audio_out_bufR + 100;
|
|
memset (state->audio_out_float_bufR, 0, 100 * sizeof (float));
|
|
memset (state->audio_out_bufR, 0, 100 * sizeof (short));
|
|
state->audio_out_idx2R = 0;
|
|
}
|
|
|
|
}
|
|
|
|
void playSynthesizedVoiceFM (dsd_opts * opts, dsd_state * state)
|
|
{
|
|
|
|
agf(opts, state, state->f_l,0);
|
|
|
|
if (opts->slot1_on == 0) goto vfm_end;
|
|
|
|
if (opts->audio_out_type == 0)
|
|
pa_simple_write(opts->pulse_digi_dev_out, state->f_l, 160*4, NULL);
|
|
|
|
if (opts->audio_out_type == 1 || opts->audio_out_type == 5)
|
|
write(opts->audio_out_fd, state->f_l, 160*4);
|
|
|
|
vfm_end:
|
|
|
|
if (state->audio_out_idx2 >= 800000)
|
|
{
|
|
state->audio_out_float_buf_p = state->audio_out_float_buf + 100;
|
|
state->audio_out_buf_p = state->audio_out_buf + 100;
|
|
memset (state->audio_out_float_buf, 0, 100 * sizeof (float));
|
|
memset (state->audio_out_buf, 0, 100 * sizeof (short));
|
|
state->audio_out_idx2 = 0;
|
|
}
|
|
|
|
memset (state->audio_out_temp_buf, 0, sizeof(state->audio_out_temp_buf));
|
|
|
|
}
|
|
|
|
//Stereo Mix - Short (SB16LE) -- When Playing Short FDMA samples when setup for stereo output
|
|
void playSynthesizedVoiceSS (dsd_opts * opts, dsd_state * state)
|
|
{
|
|
|
|
int i;
|
|
int encL;
|
|
short stereo_samp1[320]; //8k 2-channel stereo interleave mix
|
|
memset (stereo_samp1, 1, sizeof(stereo_samp1));
|
|
|
|
//dmr enc checkdown for whether or not to fill the stereo sample or not for playback or writing
|
|
encL = 0;
|
|
|
|
//TODO: Enc Checkdown -- would need to cover more ground than otherwise would like for it to, these should ultimately be passed to each encoding type decoder instead
|
|
|
|
//TODO: add option to bypass enc with a toggle as well
|
|
|
|
if (opts->slot1_on == 0) encL = 1;
|
|
|
|
//interleave left and right channels from the short storage area
|
|
for (i = 0; i < 160; i++)
|
|
{
|
|
if (!encL)
|
|
stereo_samp1[i*2+0] = state->s_l[i];
|
|
|
|
//testing double left and right channel
|
|
if (!encL)
|
|
stereo_samp1[i*2+1] = state->s_l[i];
|
|
|
|
}
|
|
|
|
//at this point, if still flagged as enc, then we can skip all playback/writing functions
|
|
if (encL)
|
|
goto SSM_END;
|
|
|
|
if (opts->audio_out_type == 0) //Pulse Audio
|
|
pa_simple_write(opts->pulse_digi_dev_out, stereo_samp1, 320*2, NULL);
|
|
|
|
if (opts->audio_out_type == 1 || opts->audio_out_type == 2) //STDOUT or OSS 8k/2
|
|
write (opts->audio_out_fd, stereo_samp1, 320*2);
|
|
|
|
|
|
SSM_END:
|
|
|
|
//run cleanup since we pulled stuff from processAudio
|
|
state->audio_out_idx = 0;
|
|
state->audio_out_idxR = 0;
|
|
|
|
//set float temp buffer to baseline
|
|
memset (state->s_l4, 1, sizeof(state->s_l4));
|
|
memset (state->s_r4, 1, sizeof(state->s_r4));
|
|
|
|
if (state->audio_out_idx2 >= 800000)
|
|
{
|
|
state->audio_out_float_buf_p = state->audio_out_float_buf + 100;
|
|
state->audio_out_buf_p = state->audio_out_buf + 100;
|
|
memset (state->audio_out_float_buf, 0, 100 * sizeof (float));
|
|
memset (state->audio_out_buf, 0, 100 * sizeof (short));
|
|
state->audio_out_idx2 = 0;
|
|
}
|
|
|
|
if (state->audio_out_idx2R >= 800000)
|
|
{
|
|
state->audio_out_float_buf_pR = state->audio_out_float_bufR + 100;
|
|
state->audio_out_buf_pR = state->audio_out_bufR + 100;
|
|
memset (state->audio_out_float_bufR, 0, 100 * sizeof (float));
|
|
memset (state->audio_out_bufR, 0, 100 * sizeof (short));
|
|
state->audio_out_idx2R = 0;
|
|
}
|
|
|
|
}
|
|
|
|
//short stereo mix 3v2 DMR
|
|
void playSynthesizedVoiceSS3 (dsd_opts * opts, dsd_state * state)
|
|
{
|
|
|
|
//NOTE: This runs once for every two timeslots, if we are in the BS voice loop
|
|
//it doesn't matter if both slots have voice, or if one does, the slot without voice
|
|
//will play silence while this runs if no voice present
|
|
|
|
int i;
|
|
uint8_t encL, encR;
|
|
short stereo_samp1[320]; //8k 2-channel stereo interleave mix
|
|
short stereo_samp2[320]; //8k 2-channel stereo interleave mix
|
|
short stereo_samp3[320]; //8k 2-channel stereo interleave mix
|
|
|
|
memset (stereo_samp1, 1, sizeof(stereo_samp1));
|
|
memset (stereo_samp2, 1, sizeof(stereo_samp2));
|
|
memset (stereo_samp3, 1, sizeof(stereo_samp3));
|
|
|
|
//dmr enc checkdown for whether or not to fill the stereo sample or not for playback or writing
|
|
encL = encR = 0;
|
|
encL = (state->dmr_so >> 6) & 0x1;
|
|
encR = (state->dmr_soR >> 6) & 0x1;
|
|
|
|
//checkdown to see if we can lift the 'mute' if a key is available
|
|
if (encL)
|
|
{
|
|
if (state->payload_algid == 0)
|
|
{
|
|
if (state->K != 0 || state->K1 != 0)
|
|
{
|
|
encL = 0;
|
|
}
|
|
}
|
|
else if (state->payload_algid == 0x21)
|
|
{
|
|
if (state->R != 0)
|
|
{
|
|
encL = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (encR)
|
|
{
|
|
if (state->payload_algidR == 0)
|
|
{
|
|
if (state->K != 0 || state->K1 != 0)
|
|
{
|
|
encR = 0;
|
|
}
|
|
}
|
|
else if (state->payload_algidR == 0x21)
|
|
{
|
|
if (state->RR != 0)
|
|
{
|
|
encR = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
//TODO: add option to bypass enc with a toggle as well
|
|
|
|
//CHEAT: Using the slot on/off, use that to set encL or encR back on
|
|
//as a simple way to turn off voice synthesis in a particular slot
|
|
//its not really 'disabled', we just aren't playing it
|
|
if (opts->slot1_on == 0) encL = 1;
|
|
if (opts->slot2_on == 0) encR = 1;
|
|
|
|
//interleave left and right channels from the short storage area
|
|
for (i = 0; i < 160; i++)
|
|
{
|
|
if (!encL)
|
|
stereo_samp1[i*2+0] = state->s_l4[0][i];
|
|
if (!encR)
|
|
stereo_samp1[i*2+1] = state->s_r4[0][i];
|
|
}
|
|
|
|
for (i = 0; i < 160; i++)
|
|
{
|
|
if (!encL)
|
|
stereo_samp2[i*2+0] = state->s_l4[1][i];
|
|
if (!encR)
|
|
stereo_samp2[i*2+1] = state->s_r4[1][i];
|
|
}
|
|
|
|
for (i = 0; i < 160; i++)
|
|
{
|
|
if (!encL)
|
|
stereo_samp3[i*2+0] = state->s_l4[2][i];
|
|
if (!encR)
|
|
stereo_samp3[i*2+1] = state->s_r4[2][i];
|
|
}
|
|
|
|
//at this point, if both channels are still flagged as enc, then we can skip all playback/writing functions
|
|
if (encL && encR)
|
|
goto SS3_END;
|
|
|
|
if (opts->audio_out_type == 0) //Pulse Audio
|
|
{
|
|
pa_simple_write(opts->pulse_digi_dev_out, stereo_samp1, 320*2, NULL);
|
|
pa_simple_write(opts->pulse_digi_dev_out, stereo_samp2, 320*2, NULL);
|
|
pa_simple_write(opts->pulse_digi_dev_out, stereo_samp3, 320*2, NULL);
|
|
}
|
|
|
|
|
|
if (opts->audio_out_type == 1 || opts->audio_out_type == 2) //STDOUT or OSS 8k/2channel
|
|
{
|
|
write (opts->audio_out_fd, stereo_samp1, 320*2);
|
|
write (opts->audio_out_fd, stereo_samp2, 320*2);
|
|
write (opts->audio_out_fd, stereo_samp3, 320*2);
|
|
}
|
|
|
|
SS3_END:
|
|
|
|
//run cleanup since we pulled stuff from processAudio
|
|
state->audio_out_idx = 0;
|
|
state->audio_out_idxR = 0;
|
|
|
|
//set float temp buffer to baseline
|
|
memset (state->s_l4, 1, sizeof(state->s_l4));
|
|
memset (state->s_r4, 1, sizeof(state->s_r4));
|
|
|
|
if (state->audio_out_idx2 >= 800000)
|
|
{
|
|
state->audio_out_float_buf_p = state->audio_out_float_buf + 100;
|
|
state->audio_out_buf_p = state->audio_out_buf + 100;
|
|
memset (state->audio_out_float_buf, 0, 100 * sizeof (float));
|
|
memset (state->audio_out_buf, 0, 100 * sizeof (short));
|
|
state->audio_out_idx2 = 0;
|
|
}
|
|
|
|
if (state->audio_out_idx2R >= 800000)
|
|
{
|
|
state->audio_out_float_buf_pR = state->audio_out_float_bufR + 100;
|
|
state->audio_out_buf_pR = state->audio_out_bufR + 100;
|
|
memset (state->audio_out_float_bufR, 0, 100 * sizeof (float));
|
|
memset (state->audio_out_bufR, 0, 100 * sizeof (short));
|
|
state->audio_out_idx2R = 0;
|
|
}
|
|
|
|
}
|
|
|
|
//short stereo mix 4v2 P25p2
|
|
void playSynthesizedVoiceSS4 (dsd_opts * opts, dsd_state * state)
|
|
{
|
|
|
|
//NOTE: This runs once for every two timeslots, if we are in the BS voice loop
|
|
//it doesn't matter if both slots have voice, or if one does, the slot without voice
|
|
//will play silence while this runs if no voice present
|
|
|
|
int i;
|
|
uint8_t encL, encR;
|
|
short stereo_samp1[320]; //8k 2-channel stereo interleave mix
|
|
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 empty[320]; //this is used to see if we want to play a single 2v or double 2v or not
|
|
|
|
memset (stereo_samp1, 1, sizeof(stereo_samp1));
|
|
memset (stereo_samp2, 1, sizeof(stereo_samp2));
|
|
memset (stereo_samp3, 1, sizeof(stereo_samp3));
|
|
memset (stereo_samp4, 1, sizeof(stereo_samp4));
|
|
|
|
memset (empty, 1, sizeof(empty));
|
|
|
|
|
|
//p25p2 enc checkdown for whether or not to fill the stereo sample or not for playback or writing
|
|
encL = encR = 1;
|
|
if (state->payload_algid == 0 || state->payload_algid == 0x80)
|
|
encL = 0;
|
|
if (state->payload_algidR == 0 || state->payload_algidR == 0x80)
|
|
encR = 0;
|
|
|
|
//checkdown to see if we can lift the 'mute' if a key is available
|
|
if (encL)
|
|
{
|
|
if (state->payload_algid == 0xAA)
|
|
{
|
|
if (state->R != 0)
|
|
{
|
|
encL = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (encR)
|
|
{
|
|
if (state->payload_algidR == 0xAA)
|
|
{
|
|
if (state->RR != 0)
|
|
{
|
|
encR = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
//TODO: add option to bypass enc with a toggle as well
|
|
|
|
//CHEAT: Using the slot on/off, use that to set encL or encR back on
|
|
//as a simple way to turn off voice synthesis in a particular slot
|
|
//its not really 'disabled', we just aren't playing it
|
|
if (opts->slot1_on == 0) encL = 1;
|
|
if (opts->slot2_on == 0) encR = 1;
|
|
|
|
//interleave left and right channels from the short storage area
|
|
for (i = 0; i < 160; i++)
|
|
{
|
|
if (!encL)
|
|
stereo_samp1[i*2+0] = state->s_l4[0][i];
|
|
if (!encR)
|
|
stereo_samp1[i*2+1] = state->s_r4[0][i];
|
|
}
|
|
|
|
for (i = 0; i < 160; i++)
|
|
{
|
|
if (!encL)
|
|
stereo_samp2[i*2+0] = state->s_l4[1][i];
|
|
if (!encR)
|
|
stereo_samp2[i*2+1] = state->s_r4[1][i];
|
|
}
|
|
|
|
for (i = 0; i < 160; i++)
|
|
{
|
|
if (!encL)
|
|
stereo_samp3[i*2+0] = state->s_l4[2][i];
|
|
if (!encR)
|
|
stereo_samp3[i*2+1] = state->s_r4[2][i];
|
|
}
|
|
|
|
for (i = 0; i < 160; i++)
|
|
{
|
|
if (!encL)
|
|
stereo_samp4[i*2+0] = state->s_l4[3][i];
|
|
if (!encR)
|
|
stereo_samp4[i*2+1] = state->s_r4[3][i];
|
|
}
|
|
|
|
//at this point, if both channels are still flagged as enc, then we can skip all playback/writing functions
|
|
if (encL && encR)
|
|
goto SS4_END;
|
|
|
|
if (opts->audio_out_type == 0) //Pulse Audio
|
|
{
|
|
pa_simple_write(opts->pulse_digi_dev_out, stereo_samp1, 320*2, NULL);
|
|
pa_simple_write(opts->pulse_digi_dev_out, stereo_samp2, 320*2, NULL);
|
|
//only play these two if not a single 2v or double 2v (minor skip can still occur on a 4v and 2v combo, but will probably only be perceivable if one is a tone)
|
|
if (memcmp(empty, stereo_samp3, sizeof(empty)) != 0)
|
|
pa_simple_write(opts->pulse_digi_dev_out, stereo_samp3, 320*2, NULL);
|
|
if (memcmp(empty, stereo_samp4, sizeof(empty)) != 0)
|
|
pa_simple_write(opts->pulse_digi_dev_out, stereo_samp4, 320*2, NULL);
|
|
}
|
|
|
|
|
|
if (opts->audio_out_type == 1 || opts->audio_out_type == 2) //STDOUT or OSS 8k/2channel
|
|
{
|
|
write (opts->audio_out_fd, stereo_samp1, 320*2);
|
|
write (opts->audio_out_fd, stereo_samp2, 320*2);
|
|
//only play these two if not a single 2v or double 2v
|
|
if (memcmp(empty, stereo_samp3, sizeof(empty)) != 0)
|
|
write (opts->audio_out_fd, stereo_samp3, 320*2);
|
|
if (memcmp(empty, stereo_samp4, sizeof(empty)) != 0)
|
|
write (opts->audio_out_fd, stereo_samp4, 320*2);
|
|
}
|
|
|
|
SS4_END:
|
|
|
|
//run cleanup since we pulled stuff from processAudio
|
|
state->audio_out_idx = 0;
|
|
state->audio_out_idxR = 0;
|
|
|
|
//set float temp buffer to baseline
|
|
memset (state->s_l4, 1, sizeof(state->s_l4));
|
|
memset (state->s_r4, 1, sizeof(state->s_r4));
|
|
|
|
if (state->audio_out_idx2 >= 800000)
|
|
{
|
|
state->audio_out_float_buf_p = state->audio_out_float_buf + 100;
|
|
state->audio_out_buf_p = state->audio_out_buf + 100;
|
|
memset (state->audio_out_float_buf, 0, 100 * sizeof (float));
|
|
memset (state->audio_out_buf, 0, 100 * sizeof (short));
|
|
state->audio_out_idx2 = 0;
|
|
}
|
|
|
|
if (state->audio_out_idx2R >= 800000)
|
|
{
|
|
state->audio_out_float_buf_pR = state->audio_out_float_bufR + 100;
|
|
state->audio_out_buf_pR = state->audio_out_bufR + 100;
|
|
memset (state->audio_out_float_bufR, 0, 100 * sizeof (float));
|
|
memset (state->audio_out_bufR, 0, 100 * sizeof (short));
|
|
state->audio_out_idx2R = 0;
|
|
}
|
|
|
|
} |