mirror of
https://github.com/swaywm/sway.git
synced 2024-11-29 03:11:27 +00:00
Remove swaygrab entirely
We'll have to rewrite this later.
This commit is contained in:
Drew DeVault
parent
22f52b91ed
commit
167f7c54f4
144
swaygrab/json.c
144
swaygrab/json.c
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@ -1,144 +0,0 @@
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#define _XOPEN_SOURCE 700
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#include <string.h>
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#include <stdio.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "log.h"
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#include "ipc-client.h"
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#include "swaygrab/json.h"
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static json_object *tree;
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void init_json_tree(int socketfd) {
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uint32_t len = 0;
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char *res = ipc_single_command(socketfd, IPC_GET_TREE, NULL, &len);
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struct json_tokener *tok = json_tokener_new_ex(256);
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if (!tok) {
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sway_abort("Unable to get json tokener.");
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}
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tree = json_tokener_parse_ex(tok, res, len);
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if (!tree || tok->err != json_tokener_success) {
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sway_abort("Unable to parse IPC response as JSON: %s", json_tokener_error_desc(tok->err));
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}
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json_object *success;
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json_object_object_get_ex(tree, "success", &success);
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if (success && !json_object_get_boolean(success)) {
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json_object *error;
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json_object_object_get_ex(tree, "error", &error);
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sway_abort("IPC request failed: %s", json_object_get_string(error));
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}
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json_object_put(success);
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json_tokener_free(tok);
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}
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void free_json_tree() {
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json_object_put(tree);
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}
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static bool is_focused(json_object *c) {
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json_object *focused;
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json_object_object_get_ex(c, "focused", &focused);
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return json_object_get_boolean(focused);
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}
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static json_object *get_focused_container_r(json_object *c) {
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json_object *name;
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json_object_object_get_ex(c, "name", &name);
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if (is_focused(c)) {
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return c;
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} else {
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json_object *nodes, *node, *child;
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json_object_object_get_ex(c, "nodes", &nodes);
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int i;
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for (i = 0; i < json_object_array_length(nodes); i++) {
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node = json_object_array_get_idx(nodes, i);
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if ((child = get_focused_container_r(node))) {
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return child;
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}
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}
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json_object_object_get_ex(c, "floating_nodes", &nodes);
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for (i = 0; i < json_object_array_length(nodes); i++) {
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node = json_object_array_get_idx(nodes, i);
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if ((child = get_focused_container_r(node))) {
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return child;
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}
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}
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}
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return NULL;
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}
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json_object *get_focused_container() {
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return get_focused_container_r(tree);
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}
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char *get_focused_output() {
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json_object *outputs, *output, *name;
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json_object_object_get_ex(tree, "nodes", &outputs);
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if (!outputs) {
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sway_abort("Unabled to get focused output. No nodes in tree.");
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}
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for (int i = 0; i < json_object_array_length(outputs); i++) {
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output = json_object_array_get_idx(outputs, i);
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if (get_focused_container_r(output)) {
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json_object_object_get_ex(output, "name", &name);
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return strdup(json_object_get_string(name));
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}
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}
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return NULL;
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}
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char *create_payload(const char *output, struct wlc_geometry *g) {
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char *payload_str = malloc(256);
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json_object *payload = json_object_new_object();
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json_object_object_add(payload, "output", json_object_new_string(output));
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json_object_object_add(payload, "x", json_object_new_int(g->origin.x));
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json_object_object_add(payload, "y", json_object_new_int(g->origin.y));
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json_object_object_add(payload, "w", json_object_new_int(g->size.w));
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json_object_object_add(payload, "h", json_object_new_int(g->size.h));
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snprintf(payload_str, 256, "%s", json_object_to_json_string(payload));
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return strdup(payload_str);
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}
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struct wlc_geometry *get_container_geometry(json_object *container) {
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struct wlc_geometry *geo = malloc(sizeof(struct wlc_geometry));
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json_object *rect, *x, *y, *w, *h;
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json_object_object_get_ex(container, "rect", &rect);
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json_object_object_get_ex(rect, "x", &x);
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json_object_object_get_ex(rect, "y", &y);
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json_object_object_get_ex(rect, "width", &w);
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json_object_object_get_ex(rect, "height", &h);
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geo->origin.x = json_object_get_int(x);
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geo->origin.y = json_object_get_int(y);
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geo->size.w = json_object_get_int(w);
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geo->size.h = json_object_get_int(h);
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return geo;
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}
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json_object *get_output_container(const char *output) {
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json_object *outputs, *json_output, *name;
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json_object_object_get_ex(tree, "nodes", &outputs);
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for (int i = 0; i < json_object_array_length(outputs); i++) {
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json_output = json_object_array_get_idx(outputs, i);
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json_object_object_get_ex(json_output, "name", &name);
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if (strcmp(json_object_get_string(name), output) == 0) {
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return json_output;
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}
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}
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return NULL;
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}
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298
swaygrab/main.c
298
swaygrab/main.c
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@ -1,298 +0,0 @@
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#define _XOPEN_SOURCE 700
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#define _POSIX_C_SOURCE 199309L
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#include <stdio.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include <getopt.h>
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#include <unistd.h>
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#include <stdint.h>
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#include <math.h>
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#include <time.h>
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#include <sys/wait.h>
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#include <json-c/json.h>
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#include "log.h"
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#include "ipc-client.h"
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#include "util.h"
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#include "swaygrab/json.h"
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void sway_terminate(int exit_code) {
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exit(exit_code);
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}
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void grab_and_apply_magick(const char *file, const char *payload,
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int socketfd, int raw) {
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uint32_t len = strlen(payload);
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char *pixels = ipc_single_command(socketfd,
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IPC_SWAY_GET_PIXELS, payload, &len);
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uint32_t *u32pixels = (uint32_t *)(pixels + 1);
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uint32_t width = u32pixels[0];
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uint32_t height = u32pixels[1];
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len -= 9;
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pixels += 9;
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if (width == 0 || height == 0) {
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// indicates geometry was clamped by WLC because it was outside of the output's area
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json_object *obj = json_tokener_parse(payload);
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json_object *output;
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json_object_object_get_ex(obj, "output", &output);
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const char *name = json_object_get_string(output);
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json_object_put(obj);
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sway_abort("Unknown output %s.", name);
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}
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if (raw) {
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fwrite(pixels, 1, len, stdout);
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fflush(stdout);
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free(pixels - 9);
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return;
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}
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char size[10 + 1 + 10 + 2 + 1]; // int32_t are max 10 digits
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sprintf(size, "%dx%d+0", width, height);
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pid_t child;
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int fd[2];
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pipe(fd);
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if ((child = fork()) < 0) {
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sway_log(L_ERROR, "Swaygrab failed to fork.");
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exit(EXIT_FAILURE);
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} else if (child != 0) {
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close(fd[0]);
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write(fd[1], pixels, len);
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close(fd[1]);
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free(pixels - 9);
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waitpid(child, NULL, 0);
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} else {
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close(fd[1]);
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if (dup2(fd[0], 0) != 0) {
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sway_log(L_ERROR, "Could not fdup the pipe");
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}
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close(fd[0]);
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execlp("convert", "convert", "-depth", "8", "-size", size, "rgba:-", "-flip", file, NULL);
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sway_log(L_ERROR, "Swaygrab could not run convert.");
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exit(EXIT_FAILURE);
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}
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}
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void grab_and_apply_movie_magic(const char *file, const char *payload,
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int socketfd, int raw, int framerate) {
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if (raw) {
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sway_log(L_ERROR, "Raw capture data is not yet supported. Proceeding with ffmpeg normally.");
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}
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uint32_t len = strlen(payload);
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char *pixels = ipc_single_command(socketfd,
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IPC_SWAY_GET_PIXELS, payload, &len);
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uint32_t *u32pixels = (uint32_t *)(pixels + 1);
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uint32_t width = u32pixels[0];
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uint32_t height = u32pixels[1];
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pixels += 9;
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if (width == 0 || height == 0) {
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// indicates geometry was clamped by WLC because it was outside of the output's area
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json_object *obj = json_tokener_parse(payload);
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json_object *output;
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json_object_object_get_ex(obj, "output", &output);
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const char *name = json_object_get_string(output);
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json_object_put(obj);
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sway_abort("Unknown output %s.", name);
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}
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char *ffmpeg_opts = getenv("SWAYGRAB_FFMPEG_OPTS");
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if(!ffmpeg_opts) {
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ffmpeg_opts = "";
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}
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const char *fmt = "ffmpeg %s -f rawvideo -framerate %d "
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"-video_size %dx%d -pixel_format argb "
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"-i pipe:0 -r %d -vf vflip %s";
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char *cmd = malloc(strlen(fmt) - 8 /*args*/
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+ strlen(ffmpeg_opts) + numlen(width) + numlen(height)
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+ numlen(framerate) * 2 + strlen(file) + 1);
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sprintf(cmd, fmt, ffmpeg_opts, framerate, width, height, framerate, file);
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long ns = (long)(1000000000 * (1.0 / framerate));
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struct timespec start, finish, ts;
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ts.tv_sec = 0;
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FILE *f = popen(cmd, "w");
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fwrite(pixels, 1, len, f);
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free(pixels - 9);
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int sleep = 0;
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while (sleep != -1) {
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clock_gettime(CLOCK_MONOTONIC, &start);
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len = strlen(payload);
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pixels = ipc_single_command(socketfd,
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IPC_SWAY_GET_PIXELS, payload, &len);
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pixels += 9;
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len -= 9;
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fwrite(pixels, 1, len, f);
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free(pixels - 9);
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clock_gettime(CLOCK_MONOTONIC, &finish);
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ts.tv_nsec = ns;
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double fts = (double)finish.tv_sec + 1.0e-9*finish.tv_nsec;
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double sts = (double)start.tv_sec + 1.0e-9*start.tv_nsec;
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long diff = (fts - sts) * 1000000000;
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ts.tv_nsec = ns - diff;
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if (ts.tv_nsec < 0) {
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ts.tv_nsec = 0;
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}
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sleep = nanosleep(&ts, NULL);
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}
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fflush(f);
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fclose(f);
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free(cmd);
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}
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char *default_filename(const char *extension) {
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int ext_len = strlen(extension);
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int len = 28 + ext_len; // format: "2015-12-17-180040_swaygrab.ext"
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char *filename = malloc(len * sizeof(char));
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time_t t = time(NULL);
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struct tm *lt = localtime(&t);
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strftime(filename, len, "%Y-%m-%d-%H%M%S_swaygrab.", lt);
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strncat(filename, extension, ext_len);
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return filename;
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}
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int main(int argc, char **argv) {
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static int capture = 0, raw = 0;
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char *socket_path = NULL;
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char *output = NULL;
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int framerate = 30;
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bool grab_focused = false;
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init_log(L_INFO);
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static struct option long_options[] = {
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{"help", no_argument, NULL, 'h'},
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{"capture", no_argument, NULL, 'c'},
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{"output", required_argument, NULL, 'o'},
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{"version", no_argument, NULL, 'v'},
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{"socket", required_argument, NULL, 's'},
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{"raw", no_argument, NULL, 'r'},
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{"rate", required_argument, NULL, 'R'},
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{"focused", no_argument, NULL, 'f'},
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{0, 0, 0, 0}
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};
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const char *usage =
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"Usage: swaygrab [options] [file]\n"
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"\n"
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" -h, --help Show help message and quit.\n"
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" -c, --capture Capture video.\n"
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" -o, --output <output> Output source.\n"
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" -v, --version Show the version number and quit.\n"
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" -s, --socket <socket> Use the specified socket.\n"
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" -R, --rate <rate> Specify framerate (default: 30)\n"
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" -r, --raw Write raw rgba data to stdout.\n"
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" -f, --focused Grab the focused container.\n";
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int c;
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while (1) {
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int option_index = 0;
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c = getopt_long(argc, argv, "hco:vs:R:rf", long_options, &option_index);
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if (c == -1) {
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break;
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}
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switch (c) {
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case 'f':
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grab_focused = true;
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break;
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case 's': // Socket
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socket_path = strdup(optarg);
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break;
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case 'r':
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raw = 1;
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break;
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case 'o': // output
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output = strdup(optarg);
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break;
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case 'c':
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capture = 1;
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break;
|
|
||||||
case 'R': // Frame rate
|
|
||||||
framerate = atoi(optarg);
|
|
||||||
break;
|
|
||||||
case 'v':
|
|
||||||
fprintf(stdout, "sway version " SWAY_VERSION "\n");
|
|
||||||
exit(EXIT_SUCCESS);
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
fprintf(stderr, "%s", usage);
|
|
||||||
exit(EXIT_FAILURE);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if (!socket_path) {
|
|
||||||
socket_path = get_socketpath();
|
|
||||||
if (!socket_path) {
|
|
||||||
sway_abort("Unable to retrieve socket path");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
char *file = NULL;
|
|
||||||
if (raw) {
|
|
||||||
if (optind >= argc + 1) {
|
|
||||||
sway_abort("Invalid usage. See `man swaygrab` %d %d", argc, optind);
|
|
||||||
}
|
|
||||||
} else if (optind < argc) {
|
|
||||||
file = strdup(argv[optind]);
|
|
||||||
}
|
|
||||||
|
|
||||||
int socketfd = ipc_open_socket(socket_path);
|
|
||||||
free(socket_path);
|
|
||||||
|
|
||||||
init_json_tree(socketfd);
|
|
||||||
|
|
||||||
struct wlc_geometry *geo;
|
|
||||||
|
|
||||||
if (grab_focused) {
|
|
||||||
output = get_focused_output();
|
|
||||||
json_object *con = get_focused_container();
|
|
||||||
json_object *name;
|
|
||||||
json_object_object_get_ex(con, "name", &name);
|
|
||||||
geo = get_container_geometry(con);
|
|
||||||
free(con);
|
|
||||||
} else {
|
|
||||||
if (!output) {
|
|
||||||
output = get_focused_output();
|
|
||||||
}
|
|
||||||
geo = get_container_geometry(get_output_container(output));
|
|
||||||
// the geometry of the output in the get_tree response is relative to a global (0, 0).
|
|
||||||
// we need it to be relative to itself, so set origin to (0, 0) always.
|
|
||||||
geo->origin.x = 0;
|
|
||||||
geo->origin.y = 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
const char *payload = create_payload(output, geo);
|
|
||||||
|
|
||||||
free(geo);
|
|
||||||
|
|
||||||
if (!file) {
|
|
||||||
if (!capture) {
|
|
||||||
file = default_filename("png");
|
|
||||||
} else {
|
|
||||||
file = default_filename("webm");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if (!capture) {
|
|
||||||
grab_and_apply_magick(file, payload, socketfd, raw);
|
|
||||||
} else {
|
|
||||||
grab_and_apply_movie_magic(file, payload, socketfd, raw, framerate);
|
|
||||||
}
|
|
||||||
|
|
||||||
free_json_tree();
|
|
||||||
free(output);
|
|
||||||
free(file);
|
|
||||||
close(socketfd);
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
@ -1,76 +0,0 @@
|
||||||
/////
|
|
||||||
vim:set ts=4 sw=4 tw=82 noet:
|
|
||||||
/////
|
|
||||||
:quotes.~:
|
|
||||||
|
|
||||||
swaygrab (1)
|
|
||||||
============
|
|
||||||
|
|
||||||
Name
|
|
||||||
----
|
|
||||||
swaygrab - Grab image data from the current sway session.
|
|
||||||
|
|
||||||
Synopsis
|
|
||||||
--------
|
|
||||||
'swaygrab' [options] [file]
|
|
||||||
|
|
||||||
Grabs pixels from an output and writes them to _file_. The image will be passed to
|
|
||||||
ImageMagick convert for processing.
|
|
||||||
|
|
||||||
Options
|
|
||||||
-------
|
|
||||||
|
|
||||||
*-h, --help*::
|
|
||||||
Show help message and quit.
|
|
||||||
|
|
||||||
*-c, \--capture*::
|
|
||||||
Captures multiple frames as video and passes them into ffmpeg. Continues until
|
|
||||||
you send SIGTERM (ctrl+c) to swaygrab.
|
|
||||||
|
|
||||||
*-o, \--output* <output>::
|
|
||||||
Use the specified _output_. If no output is defined the currently focused
|
|
||||||
output in sway will be used.
|
|
||||||
|
|
||||||
*-v, \--version*::
|
|
||||||
Print the version (of swaymsg) and quit.
|
|
||||||
|
|
||||||
*-s, --socket* <path>::
|
|
||||||
Use the specified socket path. Otherwise, swaymsg will ask sway where the
|
|
||||||
socket is (which is the value of $SWAYSOCK, then of $I3SOCK).
|
|
||||||
|
|
||||||
*-R, --rate* <rate>::
|
|
||||||
Specify a framerate (in frames per second). Used in combination with -c.
|
|
||||||
Default is 30. Must be an integer.
|
|
||||||
|
|
||||||
*-r, --raw*::
|
|
||||||
Instead of invoking ImageMagick or ffmpeg, dump raw rgba data to stdout.
|
|
||||||
|
|
||||||
*-f, --focused*::
|
|
||||||
Capture only the currently focused container.
|
|
||||||
|
|
||||||
Environment Variables
|
|
||||||
---------------------
|
|
||||||
swaygrab reads the following environment variables.
|
|
||||||
|
|
||||||
*SWAYGRAB_FFMPEG_OPTS*::
|
|
||||||
Pass additional arguments to FFmpeg when starting a capture.
|
|
||||||
|
|
||||||
Examples
|
|
||||||
--------
|
|
||||||
|
|
||||||
swaygrab output.png::
|
|
||||||
Grab the contents of currently focused output and write to output.png.
|
|
||||||
|
|
||||||
swaygrab -c -o HDMI-A-1 output.webm::
|
|
||||||
Capture a webm of HDMI-A-1.
|
|
||||||
|
|
||||||
SWAYGRAB_FFMPEG_OPTS="-f alsa -i pulse" swaygrab -c::
|
|
||||||
Capture the focused output and encode audio from the default recording
|
|
||||||
device.
|
|
||||||
|
|
||||||
Authors
|
|
||||||
-------
|
|
||||||
|
|
||||||
Maintained by Drew DeVault <sir@cmpwn.com>, who is assisted by other open
|
|
||||||
source contributors. For more information about sway development, see
|
|
||||||
<https://github.com/swaywm/sway>.
|
|
||||||
Loading…
Reference in a new issue