add tool to send LSL streams

apps/Makefile

@@ -6,18 +6,14 @@ include ../rules.mk
 #
 # main targets:
 #
-BINFILES = tascar_cli tascar_showlicenses tascar_validatetsc					\
-  tascar_pdf tascar_osc_jack_transport tascar_jackio tascar_sampler		\
+BINFILES = tascar_cli tascar_showlicenses tascar_validatetsc		\
+  tascar_pdf tascar_osc_jack_transport tascar_jackio tascar_sampler	\
   tascar_levelmeter tascar_jackpar tascar_renderfile tascar_renderir	\
-  tascar_gpx2csv tascar_version tascar_test_compare_sndfile						\
-  tascar_test_compare_level_sum tascar_lsjackp tascar_sendosc					\
-  tascar_listsrc tascar_getcalibfor tascar_spk2obj										\
+  tascar_gpx2csv tascar_version tascar_test_compare_sndfile		\
+  tascar_test_compare_level_sum tascar_lsjackp tascar_sendosc		\
+  tascar_listsrc tascar_getcalibfor tascar_spk2obj			\
   tascar_sceneskeleton tascar_osc2file
 
-ifeq "$(HAS_LSL)" "yes"
-BINFILES += tascar_osc2lsl
-endif
-
 ifneq ($(OS),Windows_NT)
 UNAME_S := $(shell uname -s)
 ifeq ($(UNAME_S),Linux)
@@ -33,7 +29,7 @@ BINFILES += $(TEST_FILES)
 BUILD_BINS = $(patsubst %,build/%,$(BINFILES))
 
 ifeq "$(HAS_LSL)" "yes"
-BINFILES += tascar_lslsl tascar_lsljacktime
+BINFILES += tascar_lslsl tascar_lsljacktime tascar_osc2lsl tascar_genrandlsl
 endif
 
 ifeq "ok" "$(shell pkg-config gtkmm-3.0 && echo ok)"
@@ -75,7 +71,7 @@ build/tascar_hdspmixer build/tascar_hdspmixer.o: EXTERNALS += alsa
 build/tascar_pdf build/tascar_pdf.o: EXTERNALS += $(GTKEXT)
 build/tascar_pdf build/tascar_pdf.o: LDLIBS += -ltascargui `pkg-config --libs $(EXTERNALS)`
 build/tascar_ambdecoder: LDLIBS += `pkg-config --libs gsl`
-build/tascar_lslsl build/tascar_lsljacktime build/tascar_osc2lsl: LDLIBS+=-llsl
+build/tascar_lslsl build/tascar_lsljacktime build/tascar_osc2lsl build/tascar_genrandlsl: LDLIBS+=-llsl
 #build/tascar_renderfile: LDLIBS += -lboost_program_options
 #build/tascar_renderir: LDLIBS += -lboost_program_options
 

apps/src/tascar_genrandlsl.cc

@@ -0,0 +1,98 @@
+/*
+ * This file is part of the TASCAR software, see <http://tascar.org/>
+ *
+ * Copyright (c) 2019 Giso Grimm
+ * Copyright (c) 2020 Giso Grimm
+ */
+/*
+ * TASCAR is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation, version 3 of the License.
+ *
+ * TASCAR is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHATABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License, version 3 for more details.
+ *
+ * You should have received a copy of the GNU General Public License,
+ * Version 3 along with TASCAR. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "cli.h"
+#include "coordinates.h"
+#include "errorhandling.h"
+#include "tictoctimer.h"
+#include <chrono>
+#include <cstdint>
+#include <getopt.h>
+#include <iostream>
+#include <lsl_cpp.h>
+#include <signal.h>
+#include <thread>
+#include <unistd.h>
+
+static bool b_quit;
+
+static void sighandler(int)
+{
+  b_quit = true;
+  fclose(stdin);
+}
+
+int main(int argc, char** argv)
+{
+  b_quit = false;
+  signal(SIGABRT, &sighandler);
+  signal(SIGTERM, &sighandler);
+  signal(SIGINT, &sighandler);
+  const char* options = "ha:np:t";
+  struct option long_options[] = {{"help", 0, 0, 'h'},      {"add", 1, 0, 'a'},
+                                  {"noauto", 0, 0, 'n'},    {"port", 1, 0, 'p'},
+                                  {"timestamp", 0, 0, 't'}, {0, 0, 0, 0}};
+  int opt(0);
+  int option_index(0);
+  std::string name = "tascar_lsl";
+  double srate = 100.0f;
+  uint32_t channels = 1;
+  while((opt = getopt_long(argc, argv, options, long_options, &option_index)) !=
+        -1) {
+    switch(opt) {
+    case 'h':
+      TASCAR::app_usage("tascar_genrandlsl", long_options, "", "");
+      return 0;
+    case 'n':
+      name = optarg;
+      break;
+    case 'c':
+      channels = atoi(optarg);
+      break;
+    case 'r':
+      srate = atof(optarg);
+      break;
+    }
+  }
+  double sampleperiod = 1.0 / srate;
+  lsl::channel_format_t lslfmt = lsl::cf_float32;
+  lsl::stream_info info(name, "osc2lsl", channels, srate, lslfmt, name.c_str());
+  lsl::stream_outlet sop = lsl::stream_outlet(info);
+  std::vector<float> data;
+  data.resize(channels);
+  TASCAR::tictoc_t tm;
+  double elapsed = 0.0;
+  tm.tic();
+  while(!b_quit) {
+    for(auto& v : data)
+      v = TASCAR::drand() - 0.5;
+    elapsed = tm.tictoc();
+    std::this_thread::sleep_for(
+        std::chrono::microseconds((int)(1e6 * (sampleperiod - elapsed))));
+
+    sop.push_sample(data);
+  }
+}
+
+/*
+ * Local Variables:
+ * compile-command: "make -C .."
+ * End:
+ */

packaging/deb/tascarcli.csv

@@ -1,4 +1,5 @@
 "apps/build/tascar_cli","usr/bin/"
+"apps/build/tascar_genrandlsl","usr/bin/"
 "apps/build/tascar_getcalibfor","usr/bin/"
 "apps/build/tascar_gpx2csv","usr/bin/"
 "apps/build/tascar_hdspmixer","usr/bin/"