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-rw-r--r--src/dssi-render.h333
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diff --git a/src/dssi-render.h b/src/dssi-render.h
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+++ b/src/dssi-render.h
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+//it's most likely defined in one of alsa libs, just copy headers include from here to get it. right but it's
+//a pointer right? it's a structure. do we need to know what's in it? yes we need to fill it porperly for run_synth
+/* 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>
+
+
+
+extern char *midi_filename;
+extern const DSSI_Descriptor *descriptor;
+extern LADSPA_Handle instanceHandle;
+extern SNDFILE *outfile;
+extern char *output_file;
+extern int clip;
+extern int have_warned;
+extern int nchannels;
+extern DSSI_Descriptor_Function descfn;
+extern void *pluginObject;
+extern SF_INFO outsfinfo;
+extern char **configure_key;
+extern char **configure_val;
+extern char *directory;
+extern char *dllName;
+extern char *label;
+extern char *projectDirectory;
+extern int in, out, controlIn, controlOut;
+extern int ins, outs, controlIns, controlOuts;
+extern int midi_velocity;
+extern int midi_note;
+extern int bank;
+extern int program_no;
+extern int nkeys;
+extern size_t length;
+extern size_t release_tail;
+extern size_t nframes;
+extern size_t total_written;
+extern size_t items_written;
+extern float **pluginInputBuffers;
+extern float **pluginOutputBuffers;
+extern float *pluginControlIns;
+extern float *pluginControlOuts;
+
+//awesome, worked, right? yeah
+//so what is extern doing? basically it says that there is a variable, but doesn't allocate it by itself, so same varable can be shared between two code from different object files. and are extern definitions like this usually kept in the header files? yes ok
+char *my_name;
+#ifdef CLI_FUNCS
+static float sample_rate;
+static int verbose = 0;
+
+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;
+ }
+}
+#endif
+
+typedef enum {
+ from_stdin,
+ from_defaults,
+ from_preset,
+ from_random
+} port_vals_source_t;
+
+#endif /* _CLI_DSSI_HOST_H */
+
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