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media-session: improve enabled/disabled options

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Always use a default set of options and have enable/disable
add/remove options to/from it. Previously to enable just one option
you had to list all the other default enabled options as well.
This commit is contained in:
Wim Taymans 2020-10-30 09:54:18 +01:00
parent 0cea806447
commit f953efdefb
1 changed files with 17 additions and 12 deletions
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29
src/examples/media-session/media-session.c
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@ -2053,7 +2053,8 @@ static void do_quit(void *data, int signal_number)
"suspend-node," \
"policy-node," \
"pulse-bridge"
#define DEFAULT_DISABLED ""
#define EXTRA_ENABLED ""
#define EXTRA_DISABLED ""
static const struct {
const char *name;
@ -2091,24 +2092,29 @@ static int opt_contains(const char *opt, const char *val)
return 0;
}
static void show_help(const char *name)
static bool is_opt_enabled(const char *enabled, const char *disabled, const char *val)
{
return (opt_contains(DEFAULT_ENABLED, val) || opt_contains(enabled, val)) &&
!opt_contains(disabled, val);
}
static void show_help(const char *name, const char *enabled, const char *disabled)
{
size_t i;
fprintf(stdout, "%s [options]\n"
" -h, --help Show this help\n"
" --version Show version\n"
" -e, --enabled Enabled options (default '%s')\n"
" -d, --disabled Disabled options (default '%s')\n"
" -e, --enabled Extra enabled options ('%s')\n"
" -d, --disabled Extra disabled options ('%s')\n"
" -p, --properties Extra properties as 'key=value { key=value }'\n",
name, DEFAULT_ENABLED, DEFAULT_DISABLED);
name, enabled, disabled);
fprintf(stdout,
"\noptions: (*=enabled)\n");
for (i = 0; i < SPA_N_ELEMENTS(modules); i++) {
fprintf(stdout, "\t %c %-15.15s: %s\n",
opt_contains(DEFAULT_ENABLED, modules[i].name) &&
!opt_contains(DEFAULT_DISABLED, modules[i].name) ? '*' : ' ',
is_opt_enabled(enabled, disabled, modules[i].name) ? '*' : ' ',
modules[i].name, modules[i].desc);
}
}
@ -2119,8 +2125,8 @@ int main(int argc, char *argv[])
const struct spa_support *support;
uint32_t n_support;
int res = 0, c;
const char *opt_enabled = DEFAULT_ENABLED;
const char *opt_disabled = DEFAULT_DISABLED;
const char *opt_enabled = EXTRA_ENABLED;
const char *opt_disabled = EXTRA_DISABLED;
const char *opt_properties = NULL;
static const struct option long_options[] = {
{ "help", no_argument, NULL, 'h' },
@ -2138,7 +2144,7 @@ int main(int argc, char *argv[])
while ((c = getopt_long(argc, argv, "hVe:d:p:", long_options, NULL)) != -1) {
switch (c) {
case 'h':
show_help(argv[0]);
show_help(argv[0], opt_enabled, opt_disabled);
return 0;
case 'V':
fprintf(stdout, "%s\n"
@ -2220,8 +2226,7 @@ int main(int argc, char *argv[])
for (i = 0; i < SPA_N_ELEMENTS(modules); i++) {
const char *name = modules[i].name;
if (opt_contains(opt_enabled, name) &&
!opt_contains(opt_disabled, name)) {
if (is_opt_enabled(opt_enabled, opt_disabled, name)) {
if (modules[i].props) {
struct pw_properties *props;
props = pw_properties_new_string(modules[i].props);