diff options
Diffstat (limited to 'polyp/module-match.c')
| -rw-r--r-- | polyp/module-match.c | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/polyp/module-match.c b/polyp/module-match.c deleted file mode 100644 index e3e7b17d..00000000 --- a/polyp/module-match.c +++ /dev/null @@ -1,234 +0,0 @@ -/* $Id$ */ - -/*** - This file is part of polypaudio. - - polypaudio is free software; you can redistribute it and/or modify - it under the terms of the GNU Lesser General Public License as published - by the Free Software Foundation; either version 2 of the License, - or (at your option) any later version. - - polypaudio 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 Lesser General Public License - along with polypaudio; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - USA. -***/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <unistd.h> -#include <assert.h> -#include <string.h> -#include <errno.h> -#include <sys/types.h> -#include <regex.h> -#include <stdio.h> -#include <stdlib.h> - -#include "module.h" -#include "util.h" -#include "modargs.h" -#include "log.h" -#include "subscribe.h" -#include "xmalloc.h" -#include "sink-input.h" -#include "module-match-symdef.h" - -PA_MODULE_AUTHOR("Lennart Poettering") -PA_MODULE_DESCRIPTION("Sink input matching module") -PA_MODULE_USAGE("table=<filename>") -PA_MODULE_VERSION(PACKAGE_VERSION) - -#define WHITESPACE "\n\r \t" - -#ifndef DEFAULT_CONFIG_DIR -#define DEFAULT_CONFIG_DIR "/etc/polypaudio" -#endif - -#define DEFAULT_MATCH_TABLE_FILE DEFAULT_CONFIG_DIR"/match.table" -#define DEFAULT_MATCH_TABLE_FILE_USER ".polypaudio/match.table" - -static const char* const valid_modargs[] = { - "table", - NULL, -}; - -struct rule { - regex_t regex; - pa_volume_t volume; - struct rule *next; -}; - -struct userdata { - struct rule *rules; - pa_subscription *subscription; -}; - -static int load_rules(struct userdata *u, const char *filename) { - FILE *f; - int n = 0; - int ret = -1; - struct rule *end = NULL; - char *fn = NULL; - - f = filename ? - fopen(fn = pa_xstrdup(filename), "r") : - pa_open_config_file(DEFAULT_MATCH_TABLE_FILE, DEFAULT_MATCH_TABLE_FILE_USER, NULL, &fn); - - if (!f) { - pa_log(__FILE__": failed to open file '%s': %s\n", fn, strerror(errno)); - goto finish; - } - - while (!feof(f)) { - char *d, *v; - pa_volume_t volume; - uint32_t k; - regex_t regex; - char ln[256]; - struct rule *rule; - - if (!fgets(ln, sizeof(ln), f)) - break; - - n++; - - pa_strip_nl(ln); - - if (ln[0] == '#' || !*ln ) - continue; - - d = ln+strcspn(ln, WHITESPACE); - v = d+strspn(d, WHITESPACE); - - - if (!*v) { - pa_log(__FILE__ ": [%s:%u] failed to parse line - too few words\n", filename, n); - goto finish; - } - - *d = 0; - if (pa_atou(v, &k) < 0) { - pa_log(__FILE__": [%s:%u] failed to parse volume\n", filename, n); - goto finish; - } - - volume = (pa_volume_t) k; - - - if (regcomp(®ex, ln, REG_EXTENDED|REG_NOSUB) != 0) { - pa_log(__FILE__": [%s:%u] invalid regular expression\n", filename, n); - goto finish; - } - - rule = pa_xmalloc(sizeof(struct rule)); - rule->regex = regex; - rule->volume = volume; - rule->next = NULL; - - if (end) - end->next = rule; - else - u->rules = rule; - end = rule; - - *d = 0; - } - - ret = 0; - -finish: - if (f) - fclose(f); - - if (fn) - pa_xfree(fn); - - return ret; -} - -static void callback(pa_core *c, pa_subscription_event_type_t t, uint32_t idx, void *userdata) { - struct userdata *u = userdata; - pa_sink_input *si; - struct rule *r; - assert(c && u); - - if (t != (PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_NEW)) - return; - - if (!(si = pa_idxset_get_by_index(c->sink_inputs, idx))) - return; - - if (!si->name) - return; - - for (r = u->rules; r; r = r->next) { - if (!regexec(&r->regex, si->name, 0, NULL, 0)) { - pa_cvolume cv; - pa_log_debug(__FILE__": changing volume of sink input '%s' to 0x%03x\n", si->name, r->volume); - pa_cvolume_set(&cv, r->volume, si->sample_spec.channels); - pa_sink_input_set_volume(si, &cv); - } - } -} - -int pa__init(pa_core *c, pa_module*m) { - pa_modargs *ma = NULL; - struct userdata *u; - assert(c && m); - - if (!(ma = pa_modargs_new(m->argument, valid_modargs))) { - pa_log(__FILE__": Failed to parse module arguments\n"); - goto fail; - } - - u = pa_xmalloc(sizeof(struct userdata)); - u->rules = NULL; - u->subscription = NULL; - m->userdata = u; - - if (load_rules(u, pa_modargs_get_value(ma, "table", NULL)) < 0) - goto fail; - - u->subscription = pa_subscription_new(c, PA_SUBSCRIPTION_MASK_SINK_INPUT, callback, u); - - pa_modargs_free(ma); - return 0; - -fail: - pa__done(c, m); - - if (ma) - pa_modargs_free(ma); - return -1; -} - -void pa__done(pa_core *c, pa_module*m) { - struct userdata* u; - struct rule *r, *n; - assert(c && m); - - if (!(u = m->userdata)) - return; - - if (u->subscription) - pa_subscription_free(u->subscription); - - for (r = u->rules; r; r = n) { - n = r->next; - - regfree(&r->regex); - pa_xfree(r); - } - - pa_xfree(u); -} - - |