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#define _XOPEN_SOURCE 500
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include "jalv_config.h"
#include "LV2-render_internal.h"
#include "lv2/lv2plug.in/ns/extensions/ui/ui.h"
static int
print_usage(const char* name, bool error)
{
FILE* const os = error ? stderr : stdout;
fprintf(os, "Usage: %s [OPTION...] PLUGIN_URI\n", name);
fprintf(os, "Render a midi file with an LV2 plugin instrument.\n");
fprintf(os, " -h Display this help and exit\n");
fprintf(os, " -i STRING filename for midi input (DEFAULT=test.mid)\n");
fprintf(os, " -o STRING filename for wavfile output (DEFAULT=output.wav)\n");
fprintf(os, " -p Print control output changes to stdout\n");
fprintf(os, " -c SYM=VAL Set control value (e.g. \"vol=1.4\")\n");
fprintf(os, " -C NUM Integer number of channels for output, e.g. 2 (DEFAULT=2)\n");
fprintf(os, " -S NUM Integer sample rate of output, e.g. 44100 (DEFAULT=48000)\n");
fprintf(os, " -l DIR Load state from save directory\n");
fprintf(os, " -d DIR Dump plugin <=> UI communication\n");
fprintf(os, " -b SIZE Buffer size for plugin <=> UI communication\n");
return error ? 1 : 0;
}
int
jalv_init(int* argc, char*** argv, JalvOptions* opts)
{
opts->controls = malloc(sizeof(char*));
opts->controls[0] = NULL;
int n_controls = 0;
int a = 1;
for (; a < *argc && (*argv)[a][0] == '-'; ++a) {
if ((*argv)[a][1] == 'h') {
return print_usage((*argv)[0], true);
} else if ((*argv)[a][1] == 's') {
opts->show_ui = true;
} else if ((*argv)[a][1] == 'p') {
opts->print_controls = true;
} else if ((*argv)[a][1] == 'l') {
if (++a == *argc) {
fprintf(stderr, "Missing argument for -l\n");
return 1;
}
opts->load = jalv_strdup((*argv)[a]);
} else if ((*argv)[a][1] == 'b') {
if (++a == *argc) {
fprintf(stderr, "Missing argument for -b\n");
return 1;
}
opts->buffer_size = atoi((*argv)[a]);
} else if ((*argv)[a][1] == 'c') {
if (++a == *argc) {
fprintf(stderr, "Missing argument for -c\n");
return 1;
}
opts->controls = realloc(opts->controls,
(++n_controls + 1) * sizeof(char*));
opts->controls[n_controls - 1] = (*argv)[a];
opts->controls[n_controls] = NULL;
} else if ((*argv)[a][1] == 'C') {
if (++a == *argc) {
fprintf(stderr, "Missing argument for -C\n");
return 1;
}
opts->nchannels = atoi((*argv)[a]);
} else if ((*argv)[a][1] == 'S') {
if (++a == *argc) {
fprintf(stderr, "Missing argument for -S\n");
return 1;
}
opts->sample_rate = atoi((*argv)[a]);
} else if ((*argv)[a][1] == 'i') {
if (++a == *argc) {
fprintf(stderr, "Missing argument for -i\n");
return 1;
}
opts->infile = (*argv)[a];
} else if ((*argv)[a][1] == 'o') {
if (++a == *argc) {
fprintf(stderr, "Missing argument for -o\n");
return 1;
}
opts->outfile = (*argv)[a];
} else if ((*argv)[a][1] == 'd') {
opts->dump = true;
} else {
fprintf(stderr, "Unknown option %s\n", (*argv)[a]);
return print_usage((*argv)[0], true);
}
}
return 0;
}
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