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+/* cli-dssi-host.h
+ * Copyright (C) 2005 James McDermott
+ * jamesmichaelmcdermott@gmail.com
+ *
+ * This program is derived from jack-dssi-host
+ * (Copyright 2004 Chris Cannam, Steve Harris and Sean Bolton).
+ *
+ * This program 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; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 01222-1307
+ * USA
+ */
+
+#ifndef _CLI_DSSI_HOST_H
+#define _CLI_DSSI_HOST_H
+
+#define _BSD_SOURCE 1
+#define _SVID_SOURCE 1
+#define _ISOC99_SOURCE 1
+
+
+#define DEBUG 0
+#define MAX_LENGTH (15.0f)
+#define SAMPLE_RATE 44100
+/* character used to separate SO names from plugin labels on command line */
+#define LABEL_SEP ':'
+#define KEYVAL_SEP '='
+#define BANK_SEP ':'
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sndfile.h>
+#include <ladspa.h>
+#include <dssi.h>
+//#include <alsa/asoundlib.h> these two, conflicts with sndfile.h, so if i comment out then souce compiles on my gentoo. is sndfile part of alsa?
+//#include <alsa/seq.h> i guess not. what i found it there is asoundlib.h which include a lot of files from alsa, like alsa/seq.h and others, and
+//looks like we don't need to include it here, it's included from somewhere else too. ok no worries
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+#include <dlfcn.h>
+#include <unistd.h>
+#include <math.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/wait.h>
+#include <dirent.h>
+#include <time.h>
+#include <libgen.h>
+
+
+static float sample_rate;
+static int verbose = 0;
+char *my_name;
+
+LADSPA_Data get_port_random(const LADSPA_Descriptor *plugin, int port)
+{
+ LADSPA_PortRangeHint hint = plugin->PortRangeHints[port];
+ float lower = hint.LowerBound *
+ (LADSPA_IS_HINT_SAMPLE_RATE(hint.HintDescriptor) ? sample_rate : 1.0f);
+ float upper = hint.UpperBound *
+ (LADSPA_IS_HINT_SAMPLE_RATE(hint.HintDescriptor) ? sample_rate : 1.0f);
+
+ /* FIXME: here we assume that ports are bounded, and we do not take the
+ * logarithmic hint into account. */
+
+ float x = random() / (float) RAND_MAX;
+
+ return lower + x * (upper - lower);
+}
+
+LADSPA_Data get_port_default(const LADSPA_Descriptor *plugin, int port)
+{
+ LADSPA_PortRangeHint hint = plugin->PortRangeHints[port];
+ float lower = hint.LowerBound *
+ (LADSPA_IS_HINT_SAMPLE_RATE(hint.HintDescriptor) ? sample_rate : 1.0f);
+ float upper = hint.UpperBound *
+ (LADSPA_IS_HINT_SAMPLE_RATE(hint.HintDescriptor) ? sample_rate : 1.0f);
+
+ if (!LADSPA_IS_HINT_HAS_DEFAULT(hint.HintDescriptor)) {
+ if (!LADSPA_IS_HINT_BOUNDED_BELOW(hint.HintDescriptor) ||
+ !LADSPA_IS_HINT_BOUNDED_ABOVE(hint.HintDescriptor)) {
+ /* No hint, its not bounded, wild guess */
+ return 0.0f;
+ }
+
+ if (lower <= 0.0f && upper >= 0.0f) {
+ /* It spans 0.0, 0.0 is often a good guess */
+ return 0.0f;
+ }
+
+ /* No clues, return minimum */
+ return lower;
+ }
+
+ /* Try all the easy ones */
+
+ if (LADSPA_IS_HINT_DEFAULT_0(hint.HintDescriptor)) {
+ return 0.0f;
+ } else if (LADSPA_IS_HINT_DEFAULT_1(hint.HintDescriptor)) {
+ return 1.0f;
+ } else if (LADSPA_IS_HINT_DEFAULT_100(hint.HintDescriptor)) {
+ return 100.0f;
+ } else if (LADSPA_IS_HINT_DEFAULT_440(hint.HintDescriptor)) {
+ return 440.0f;
+ }
+
+ /* All the others require some bounds */
+
+ if (LADSPA_IS_HINT_BOUNDED_BELOW(hint.HintDescriptor)) {
+ if (LADSPA_IS_HINT_DEFAULT_MINIMUM(hint.HintDescriptor)) {
+ return lower;
+ }
+ }
+ if (LADSPA_IS_HINT_BOUNDED_ABOVE(hint.HintDescriptor)) {
+ if (LADSPA_IS_HINT_DEFAULT_MAXIMUM(hint.HintDescriptor)) {
+ return upper;
+ }
+ if (LADSPA_IS_HINT_BOUNDED_BELOW(hint.HintDescriptor)) {
+ if (LADSPA_IS_HINT_LOGARITHMIC(hint.HintDescriptor) &&
+ lower > 0.0f && upper > 0.0f) {
+ if (LADSPA_IS_HINT_DEFAULT_LOW(hint.HintDescriptor)) {
+ return expf(logf(lower) * 0.75f + logf(upper) * 0.25f);
+ } else if (LADSPA_IS_HINT_DEFAULT_MIDDLE(hint.HintDescriptor)) {
+ return expf(logf(lower) * 0.5f + logf(upper) * 0.5f);
+ } else if (LADSPA_IS_HINT_DEFAULT_HIGH(hint.HintDescriptor)) {
+ return expf(logf(lower) * 0.25f + logf(upper) * 0.75f);
+ }
+ } else {
+ if (LADSPA_IS_HINT_DEFAULT_LOW(hint.HintDescriptor)) {
+ return lower * 0.75f + upper * 0.25f;
+ } else if (LADSPA_IS_HINT_DEFAULT_MIDDLE(hint.HintDescriptor)) {
+ return lower * 0.5f + upper * 0.5f;
+ } else if (LADSPA_IS_HINT_DEFAULT_HIGH(hint.HintDescriptor)) {
+ return lower * 0.25f + upper * 0.75f;
+ }
+ }
+ }
+ }
+
+ /* fallback */
+ return 0.0f;
+}
+
+
+
+
+char *
+load(const char *dllName, void **dll, int quiet) /* returns directory where dll found */
+{
+ static char *defaultDssiPath = 0;
+ const char *dssiPath = getenv("DSSI_PATH");
+ char *path, *origPath, *element;
+ const char *message;
+ void *handle = 0;
+
+ /* If the dllName is an absolute path */
+ if (*dllName == '/') {
+ if ((handle = dlopen(dllName, RTLD_NOW))) { /* real-time programs should not use RTLD_LAZY */
+ *dll = handle;
+ path = strdup(dllName);
+ return dirname(path);
+ } else {
+ if (!quiet) {
+ fprintf(stderr, "%s: Error: Cannot find DSSI or LADSPA plugin at '%s'\n", my_name, dllName);
+ }
+ return NULL;
+ }
+ }
+
+ if (!dssiPath) {
+ if (!defaultDssiPath) {
+ const char *home = getenv("HOME");
+ if (home) {
+ defaultDssiPath = malloc(strlen(home) + 60);
+ sprintf(defaultDssiPath, "/usr/local/lib/dssi:/usr/lib/dssi:%s/.dssi", home);
+ } else {
+ defaultDssiPath = strdup("/usr/local/lib/dssi:/usr/lib/dssi");
+ }
+ }
+ dssiPath = defaultDssiPath;
+ if (!quiet) {
+ fprintf(stderr, "\n%s: Warning: DSSI path not set\n%s: Defaulting to \"%s\"\n\n", my_name, my_name, dssiPath);
+ }
+ }
+
+ path = strdup(dssiPath);
+ origPath = path;
+ *dll = 0;
+
+ while ((element = strtok(path, ":")) != 0) {
+
+ char *filePath;
+
+ path = 0;
+
+ if (element[0] != '/') {
+ if (!quiet) {
+ fprintf(stderr, "%s: Warning: Ignoring relative element \"%s\" in path\n", my_name, element);
+ }
+ continue;
+ }
+
+ if (!quiet && verbose) {
+ fprintf(stderr, "%s: Looking for library \"%s\" in %s... ", my_name, dllName, element);
+ }
+
+ filePath = (char *)malloc(strlen(element) + strlen(dllName) + 2);
+ sprintf(filePath, "%s/%s", element, dllName);
+
+ if ((handle = dlopen(filePath, RTLD_NOW))) { /* real-time programs should not use RTLD_LAZY */
+ if (!quiet && verbose) {
+ fprintf(stderr, "found\n");
+ }
+ *dll = handle;
+ free(filePath);
+ path = strdup(element);
+ free(origPath);
+ return path;
+ }
+
+ if (!quiet && verbose) {
+ message = dlerror();
+ if (message) {
+ fprintf(stderr, "not found: %s\n", message);
+ } else {
+ fprintf(stderr, "not found\n");
+ }
+ }
+
+ free(filePath);
+ }
+
+ free(origPath);
+ return 0;
+}
+
+int
+is_silent(LADSPA_Data *data, size_t length) {
+ float epsilon = 0.01f;
+ float sum = 0.0f;
+
+ for (size_t i = 0; i < length; i++) {
+ sum += fabs(data[i]);
+ }
+ return (sum < epsilon);
+}
+
+inline int
+min(int x, int y) {
+ return (x < y) ? x : y;
+}
+
+
+void
+parse_keyval(char *input, char sep, char **key, char **val) {
+
+ char *tmp = strchr(input, sep);
+ if (tmp) {
+ *key = calloc(1, tmp - input + 1);
+ strncpy(*key, input, tmp - input);
+ *val = strdup(tmp + 1);
+ } else {
+ *key = strdup(input);
+ *val = NULL;
+ }
+}
+
+typedef enum {
+ from_stdin,
+ from_defaults,
+ from_preset,
+ from_random
+} port_vals_source_t;
+
+#endif /* _CLI_DSSI_HOST_H */
+
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