glpaper/src/main.c

139 lines
3.7 KiB
C

/*
* Copyright (C) 2019-2020 Scoopta
* This file is part of GLPaper
* GLPaper 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 3 of the License, or
(at your option) any later version.
GLPaper 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 GLPaper. If not, see <http://www.gnu.org/licenses/>.
*/
#include <getopt.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <paper.h>
static void print_usage(char **argv) {
char *slash = strrchr(argv[0], '/');
uint64_t offset;
if (slash == NULL) {
offset = 0;
} else {
offset = (slash - argv[0]) + 1;
}
printf("%s [options] <output> <shader>\n", argv[0] + offset);
printf("Options:\n");
printf("--help\t\t-h\tDisplays this help message\n");
printf("--fork\t\t-F\tForks glpaper so you can close the terminal\n");
printf("--fps\t\t-f\tSets the FPS to render at\n");
printf("--layer\t\t-l\tSpecifies layer to run on\n");
printf("--width\t\t-W\tThe width to render at, this does not affect display "
"resolution\n");
printf("--height\t-H\tThe height to render at, this does not affect display "
"resolution\n");
printf("--source\t-s\tPulseaudio source\n");
exit(0);
}
int main(int argc, char **argv) {
if (argc > 2) {
struct option opts[] = {
{.name = "help", .has_arg = no_argument, .flag = NULL, .val = 'h'},
{.name = "fork", .has_arg = no_argument, .flag = NULL, .val = 'F'},
{.name = "fps", .has_arg = required_argument, .flag = NULL, .val = 'f'},
{.name = "layer",
.has_arg = required_argument,
.flag = NULL,
.val = 'l'},
{.name = "width",
.has_arg = required_argument,
.flag = NULL,
.val = 'W'},
{.name = "height",
.has_arg = required_argument,
.flag = NULL,
.val = 'H'},
{.name = "source",
.has_arg = required_argument,
.flag = NULL,
.val = 's'},
{.name = NULL, .has_arg = 0, .flag = NULL, .val = 0}};
char *fps_str = NULL;
char *layer = NULL;
char *width_str = NULL;
char *height_str = NULL;
char *source_str = NULL;
char opt;
while ((opt = getopt_long(argc, argv, "hFf:l:W:H:s:", opts, NULL)) != -1) {
switch (opt) {
case 'h':
print_usage(argv);
break;
case 'F':
if (fork() > 0) {
exit(0);
}
fclose(stdout);
fclose(stderr);
fclose(stdin);
break;
case 'f':
fps_str = optarg;
break;
case 'l':
layer = optarg;
break;
case 'W':
width_str = optarg;
break;
case 'H':
height_str = optarg;
break;
case 's':
source_str = strdup(optarg);
break;
}
}
uint16_t fps;
if (fps_str == NULL) {
fps = 0;
} else {
fps = strtol(fps_str, NULL, 10);
}
uint16_t width;
if (width_str == NULL) {
width = 0;
} else {
width = strtol(width_str, NULL, 10);
}
uint16_t height;
if (height_str == NULL) {
height = 0;
} else {
height = strtol(height_str, NULL, 10);
}
if (optind + 1 >= argc) {
print_usage(argv);
}
paper_init(argv[optind], argv[optind + 1], source_str, fps, layer, width,
height);
} else {
print_usage(argv);
}
}