mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-01 22:58:50 -04:00
130 lines
3.7 KiB
C
130 lines
3.7 KiB
C
/* PipeWire
|
|
*
|
|
* Copyright © 2021 Wim Taymans
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the next
|
|
* paragraph) shall be included in all copies or substantial portions of the
|
|
* Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
* DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#include <regex.h>
|
|
|
|
#include <spa/utils/json.h>
|
|
|
|
#include <pipewire/properties.h>
|
|
|
|
#include "quirks.h"
|
|
|
|
#define QUOTE(...) #__VA_ARGS__
|
|
|
|
static const char quirks_rules[] =
|
|
"# List of quirks"
|
|
"#"
|
|
"# All key/value pairs need to match before the quirks are applied."
|
|
"#"
|
|
"# Possible quirks:"
|
|
"# force-s16-info forces sink and source info as S16 format"
|
|
"# remove-capture-dont-move removes the capture DONT_MOVE flag"
|
|
"#\n"
|
|
"["
|
|
" { application.process.binary = teams, quirks = [ force-s16-info ] },"
|
|
" { application.process.binary = firefox, quirks = [ remove-capture-dont-move ] },"
|
|
"]";
|
|
|
|
static uint64_t parse_quirks(const char *str)
|
|
{
|
|
static const struct { const char *key; uint64_t value; } quirk_keys[] = {
|
|
{ "force-s16-info", QUIRK_FORCE_S16_FORMAT },
|
|
{ "remove-capture-dont-move", QUIRK_REMOVE_CAPTURE_DONT_MOVE },
|
|
};
|
|
size_t i;
|
|
for (i = 0; i < SPA_N_ELEMENTS(quirk_keys); ++i) {
|
|
if (spa_streq(str, quirk_keys[i].key))
|
|
return quirk_keys[i].value;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int match(const char *rules, struct spa_dict *dict, uint64_t *quirks)
|
|
{
|
|
struct spa_json rules_json = SPA_JSON_INIT(rules, strlen(rules));
|
|
struct spa_json rules_arr, it[2];
|
|
|
|
if (spa_json_enter_array(&rules_json, &rules_arr) <= 0)
|
|
return -EINVAL;
|
|
|
|
while (spa_json_enter_object(&rules_arr, &it[0]) > 0) {
|
|
char key[256];
|
|
int match = true;
|
|
uint64_t quirks_cur = 0;
|
|
|
|
while (spa_json_get_string(&it[0], key, sizeof(key)-1) > 0) {
|
|
char val[4096];
|
|
const char *str, *value;
|
|
int len;
|
|
bool success = false;
|
|
|
|
if (spa_streq(key, "quirks")) {
|
|
if (spa_json_enter_array(&it[0], &it[1]) > 0) {
|
|
while (spa_json_get_string(&it[1], val, sizeof(val)-1) > 0)
|
|
quirks_cur |= parse_quirks(val);
|
|
}
|
|
continue;
|
|
}
|
|
if ((len = spa_json_next(&it[0], &value)) <= 0)
|
|
break;
|
|
|
|
if (spa_json_is_null(value, len)) {
|
|
value = NULL;
|
|
} else {
|
|
spa_json_parse_string(value, SPA_MIN(len, (int)sizeof(val)-1), val);
|
|
value = val;
|
|
}
|
|
str = spa_dict_lookup(dict, key);
|
|
if (value == NULL) {
|
|
success = str == NULL;
|
|
} else if (str != NULL) {
|
|
if (value[0] == '~') {
|
|
regex_t r;
|
|
if (regcomp(&r, value+1, REG_EXTENDED | REG_NOSUB) == 0) {
|
|
if (regexec(&r, str, 0, NULL, 0) == 0)
|
|
success = true;
|
|
regfree(&r);
|
|
}
|
|
} else if (spa_streq(str, value)) {
|
|
success = true;
|
|
}
|
|
}
|
|
|
|
if (!success) {
|
|
match = false;
|
|
break;
|
|
}
|
|
}
|
|
if (match) {
|
|
*quirks = quirks_cur;
|
|
return 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int client_update_quirks(struct client *client)
|
|
{
|
|
return match(quirks_rules, &client->props->dict, &client->quirks);
|
|
}
|