From: dttsp Date: Mon, 2 May 2005 04:25:14 +0000 (+0000) Subject: Minor fix to keyb, added hash function to banal.h, added aux input ports with settabl... X-Git-Url: https://git.rkrishnan.org/about.html?a=commitdiff_plain;h=5994f02143b8ecdc92433c4f7e47ed47bf8460b2;p=dttsp.git Minor fix to keyb, added hash function to banal.h, added aux input ports with settable mix levels to DSP --- diff --git a/jDttSP/banal.c b/jDttSP/banal.c index 8bc08f1..b62cec9 100644 --- a/jDttSP/banal.c +++ b/jDttSP/banal.c @@ -197,3 +197,11 @@ find_rcfile(char *base) { //------------------------------------------------------------------------ +unsigned long +hash(unsigned char *str) { + unsigned long hash = 5381; + int c; + while (c = *str++) + hash = ((hash << 5) + hash) + c; // (hash * 33 + c) better + return hash; +} diff --git a/jDttSP/banal.h b/jDttSP/banal.h index 3aca035..e6af09b 100644 --- a/jDttSP/banal.h +++ b/jDttSP/banal.h @@ -79,4 +79,6 @@ extern void status_message(char *msg); extern FILE *find_rcfile(char *base); +extern unsigned long hash(unsigned char *str); + #endif diff --git a/jDttSP/command-vocabulary b/jDttSP/command-vocabulary index 2655e4c..93128ea 100644 --- a/jDttSP/command-vocabulary +++ b/jDttSP/command-vocabulary @@ -55,3 +55,5 @@ setRXListen rx // tell receiver rx to listen to commands to follow setRXOn [rx] // turn currently listening receiver on, or receiver rx setRXOff [rx] // turn currently listening receiver off, or receiver rx setRXPan pos // set azimuth for currently listening receiver to pos (0...1) +setAuxMix [gain [trx]] // set mixing level for aux inputs + diff --git a/jDttSP/keyb.c b/jDttSP/keyb.c index 14e128b..824a947 100644 --- a/jDttSP/keyb.c +++ b/jDttSP/keyb.c @@ -354,11 +354,14 @@ main(int argc, char **argv) { case 'w': wpm = atof(argv[++i]); break; + case 'g': + gain = atof(argv[++i]); + break; case 'r': ramp = atof(argv[++i]); break; default: - fprintf(stderr, "keyd [-w wpm] [-f freq] [-r ramp_ms] [infile]\n"); + fprintf(stderr, "keyb [-w wpm] [-f freq] [-g gain_dB] [-r ramp_ms] [infile]\n"); exit(1); } else break; diff --git a/jDttSP/main.c b/jDttSP/main.c index b68ba95..b74e9df 100644 --- a/jDttSP/main.c +++ b/jDttSP/main.c @@ -42,7 +42,7 @@ struct _loc loc; // most of what little we know here about the inner loop, // functionally speaking -extern void process_samples(float *, float *, int); +extern void process_samples(float *, float *, float *, float *, int); extern void setup_workspace(void); extern void destroy_workspace(void); @@ -108,6 +108,10 @@ gethold(void) { jack_ringbuffer_reset(top.jack.ring.i.r); memset((char *) top.hold.buf.l, 0, top.hold.size.bytes); memset((char *) top.hold.buf.r, 0, top.hold.size.bytes); + jack_ringbuffer_reset(top.jack.auxr.i.l); + jack_ringbuffer_reset(top.jack.auxr.i.r); + memset((char *) top.hold.aux.l, 0, top.hold.size.bytes); + memset((char *) top.hold.aux.r, 0, top.hold.size.bytes); top.jack.blow.rb.i++; } else { jack_ringbuffer_read(top.jack.ring.i.l, @@ -116,6 +120,12 @@ gethold(void) { jack_ringbuffer_read(top.jack.ring.i.r, (char *) top.hold.buf.r, top.hold.size.bytes); + jack_ringbuffer_read(top.jack.auxr.i.l, + (char *) top.hold.aux.l, + top.hold.size.bytes); + jack_ringbuffer_read(top.jack.auxr.i.r, + (char *) top.hold.aux.r, + top.hold.size.bytes); } } @@ -130,6 +140,8 @@ PRIVATE void run_mute(void) { memset((char *) top.hold.buf.l, 0, top.hold.size.bytes); memset((char *) top.hold.buf.r, 0, top.hold.size.bytes); + memset((char *) top.hold.aux.l, 0, top.hold.size.bytes); + memset((char *) top.hold.aux.r, 0, top.hold.size.bytes); uni.tick++; } @@ -138,7 +150,9 @@ run_pass(void) { uni.tick++; } PRIVATE void run_play(void) { - process_samples(top.hold.buf.l, top.hold.buf.r, top.hold.size.frames); + process_samples(top.hold.buf.l, top.hold.buf.r, + top.hold.aux.l, top.hold.aux.r, + top.hold.size.frames); } // NB do not set RUN_SWCH directly via setRunState; @@ -187,7 +201,9 @@ run_swch(void) { jack_ringbuffer_reset(top.jack.ring.o.r); } - process_samples(top.hold.buf.l, top.hold.buf.r, top.hold.size.frames); + process_samples(top.hold.buf.l, top.hold.buf.r, + top.hold.aux.l, top.hold.aux.r, + top.hold.size.frames); } //======================================================================== @@ -223,11 +239,19 @@ audio_callback(jack_nframes_t nframes, void *arg) { rp = (float *) jack_port_get_buffer(top.jack.port.i.r, nframes); jack_ringbuffer_write(top.jack.ring.i.l, (char *) lp, nbytes); jack_ringbuffer_write(top.jack.ring.i.r, (char *) rp, nbytes); + lp = (float *) jack_port_get_buffer(top.jack.auxp.i.l, nframes); + rp = (float *) jack_port_get_buffer(top.jack.auxp.i.r, nframes); + jack_ringbuffer_write(top.jack.auxr.i.l, (char *) lp, nbytes); + jack_ringbuffer_write(top.jack.auxr.i.r, (char *) rp, nbytes); } else { // rb pathology jack_ringbuffer_reset(top.jack.ring.i.l); jack_ringbuffer_reset(top.jack.ring.i.r); clear_jack_ringbuffer(top.jack.ring.i.l, nbytes); clear_jack_ringbuffer(top.jack.ring.i.r, nbytes); + jack_ringbuffer_reset(top.jack.auxr.i.l); + jack_ringbuffer_reset(top.jack.auxr.i.r); + clear_jack_ringbuffer(top.jack.auxr.i.l, nbytes); + clear_jack_ringbuffer(top.jack.auxr.i.r, nbytes); top.jack.blow.rb.i++; } @@ -303,6 +327,8 @@ execute(void) { PRIVATE void closeup(void) { + jack_ringbuffer_free(top.jack.auxr.i.r); + jack_ringbuffer_free(top.jack.auxr.i.l); jack_ringbuffer_free(top.jack.ring.o.r); jack_ringbuffer_free(top.jack.ring.o.l); jack_ringbuffer_free(top.jack.ring.i.r); @@ -310,6 +336,8 @@ closeup(void) { safefree((char *) top.hold.buf.r); safefree((char *) top.hold.buf.l); + safefree((char *) top.hold.aux.r); + safefree((char *) top.hold.aux.l); destroy_workspace(); @@ -362,6 +390,10 @@ setup_local_audio(void) { "main hold buffer left"); top.hold.buf.r = (float *) safealloc(top.hold.size.frames, sizeof(float), "main hold buffer right"); + top.hold.aux.l = (float *) safealloc(top.hold.size.frames, sizeof(float), + "aux hold buffer left"); + top.hold.aux.r = (float *) safealloc(top.hold.size.frames, sizeof(float), + "aux hold buffer right"); } PRIVATE void @@ -417,10 +449,22 @@ setup_system_audio(void) { JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0); + top.jack.auxp.i.l = jack_port_register(top.jack.client, + "al", + JACK_DEFAULT_AUDIO_TYPE, + JackPortIsInput, + 0); + top.jack.auxp.i.r = jack_port_register(top.jack.client, + "ar", + JACK_DEFAULT_AUDIO_TYPE, + JackPortIsInput, + 0); top.jack.ring.i.l = jack_ringbuffer_create(top.hold.size.bytes * loc.mult.ring); top.jack.ring.i.r = jack_ringbuffer_create(top.hold.size.bytes * loc.mult.ring); top.jack.ring.o.l = jack_ringbuffer_create(top.hold.size.bytes * loc.mult.ring); top.jack.ring.o.r = jack_ringbuffer_create(top.hold.size.bytes * loc.mult.ring); + top.jack.auxr.i.l = jack_ringbuffer_create(top.hold.size.bytes * loc.mult.ring); + top.jack.auxr.i.r = jack_ringbuffer_create(top.hold.size.bytes * loc.mult.ring); clear_jack_ringbuffer(top.jack.ring.o.l, top.jack.size * sizeof(float)); clear_jack_ringbuffer(top.jack.ring.o.r, top.jack.size * sizeof(float)); } diff --git a/jDttSP/sdr.c b/jDttSP/sdr.c index d500676..8201b9d 100644 --- a/jDttSP/sdr.c +++ b/jDttSP/sdr.c @@ -75,6 +75,9 @@ setup_all(void) { uni.multirx.lis = 0; uni.multirx.nrx = loc.def.nrx; + + uni.mix.rx = uni.mix.tx = 1.0; + uni.tick = 0; } @@ -205,6 +208,7 @@ setup_rx(int k) { REAL pos = 0.5, // 0 <= pos <= 1, left->right theta = (1.0 - pos) * M_PI / 2.0; rx[k].azim = Cmplx(cos(theta), sin(theta)); + fprintf(stderr, "azim %f %f\n", rx[k].azim.re, rx[k].azim.im); } rx[k].tick = 0; @@ -703,7 +707,9 @@ do_tx(void) { come here when there are buffers to work on */ void -process_samples(float *bufl, float *bufr, int n) { +process_samples(float *bufl, float *bufr, + float *auxl, float *auxr, + int n) { int i, k; switch (uni.mode.trx) { @@ -733,16 +739,28 @@ process_samples(float *bufl, float *bufr, int n) { CXBhave(rx[k].buf.o) = n; } + for (i = 0; i < n; i++) + bufl[i] += auxl[i] * uni.mix.rx, + bufr[i] += auxr[i] * uni.mix.rx; + break; case TX: + + for (i = 0; i < n; i++) + bufl[i] += auxl[i] * uni.mix.tx, + bufr[i] += auxr[i] * uni.mix.tx; + for (i = 0; i < n; i++) CXBimag(tx.buf.i, i) = bufl[i], CXBreal(tx.buf.i, i) = bufr[i]; CXBhave(tx.buf.i) = n; + do_tx(), tx.tick++; + for (i = 0; i < n; i++) bufl[i] = (float) CXBimag(tx.buf.o, i), bufr[i] = (float) CXBreal(tx.buf.o, i); CXBhave(tx.buf.o) = n; + break; } diff --git a/jDttSP/sdrexport.h b/jDttSP/sdrexport.h index 4802d5b..477f112 100644 --- a/jDttSP/sdrexport.h +++ b/jDttSP/sdrexport.h @@ -101,6 +101,10 @@ extern struct _uni { int lis, nac, nrx; } multirx; + struct { + REAL rx, tx; + } mix; + long tick; } uni; @@ -226,7 +230,7 @@ extern struct _top { struct { struct { float *l, *r; - } buf; + } aux, buf; struct { unsigned int frames, bytes; } size; @@ -246,11 +250,26 @@ extern struct _top { jack_port_t *l, *r; } i, o; } port; + + // input only + struct { + struct { + jack_port_t *l, *r; + } i; + } auxp; + struct { struct { jack_ringbuffer_t *l, *r; } i, o; } ring; + + struct { + struct { + jack_ringbuffer_t *l, *r; + } i, o; + } auxr; + jack_nframes_t size; struct { int cb; diff --git a/jDttSP/update.c b/jDttSP/update.c index aeed07b..5962cb1 100644 --- a/jDttSP/update.c +++ b/jDttSP/update.c @@ -743,6 +743,25 @@ setRXPan(int n, char **p) { } } +PRIVATE int +setAuxMix(int n, char **p) { + if (n < 1) { + uni.mix.rx = uni.mix.tx = 1.0; + return 0; + } else { + REAL gain = dB2lin(atof(p[0])); + if (n > 1) { + switch (atoi(p[1])) { + case TX: uni.mix.tx = gain; break; + case RX: + default: uni.mix.rx = gain; break; + } + } else + uni.mix.rx = uni.mix.tx = gain; + return 0; + } +} + //======================================================================== #include @@ -800,6 +819,7 @@ CTE update_cmds[] = { {"setRXOn", setRXOn}, {"setRXOff", setRXOff}, {"setRXPan", setRXPan}, + {"setAuxMix", setAuxMix}, { 0, 0 } };