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From f7df7399497118cbfb6a6035daa1315068b1e17a Mon Sep 17 00:00:00 2001
From: =?utf-8?q?Marc-Andr=C3=A9=20Lureau?= <marcandre.lureau@gmail.com>
Date: Fri, 15 May 2009 17:24:54 +0300
Subject: [PATCH 35/75] stream-restore: simple fallback volume table
---
src/modules/module-stream-restore.c | 94 ++++++++++++++++++++++++++++++++++-
1 files changed, 93 insertions(+), 1 deletions(-)
diff --git a/src/modules/module-stream-restore.c b/src/modules/module-stream-restore.c
index 4bfc181..4813912 100644
--- a/src/modules/module-stream-restore.c
+++ b/src/modules/module-stream-restore.c
@@ -60,15 +60,22 @@ PA_MODULE_LOAD_ONCE(TRUE);
PA_MODULE_USAGE(
"restore_device=<Save/restore sinks/sources?> "
"restore_volume=<Save/restore volumes?> "
- "restore_muted=<Save/restore muted states?>");
+ "restore_muted=<Save/restore muted states?> "
+ "fallback_table=<filename>");
#define SAVE_INTERVAL (10 * PA_USEC_PER_SEC)
#define IDENTIFICATION_PROPERTY "module-stream-restore.id"
+#define DEFAULT_FALLBACK_FILE PA_DEFAULT_CONFIG_DIR"/stream-restore.table"
+#define DEFAULT_FALLBACK_FILE_USER "stream-restore.table"
+
+#define WHITESPACE "\n\r \t"
+
static const char* const valid_modargs[] = {
"restore_device",
"restore_volume",
"restore_muted",
+ "fallback_table",
NULL
};
@@ -492,6 +499,88 @@ static void clear_db(struct userdata *u) {
gdbm_reorganize(u->gdbm_file);
}
+static int fill_db(struct userdata *u, const char *filename) {
+ FILE *f;
+ int n = 0;
+ int ret = -1;
+ char *fn = NULL;
+
+ pa_assert(u);
+
+ if (filename)
+ f = fopen(fn = pa_xstrdup(filename), "r");
+ else
+ f = pa_open_config_file(DEFAULT_FALLBACK_FILE, DEFAULT_FALLBACK_FILE_USER, NULL, &fn);
+
+ if (!f) {
+ pa_log("Failed to open file config file: %s", pa_cstrerror(errno));
+ goto finish;
+ }
+
+ pa_lock_fd(fileno(f), 1);
+
+ while (!feof(f)) {
+ char ln[256];
+ char *d, *v;
+ double db;
+
+ 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", filename, n);
+ goto finish;
+ }
+
+ *d = 0;
+ if (pa_atod(v, &db) >= 0) {
+ datum key, data;
+ struct entry e;
+
+ memset(&e, 0, sizeof(e));
+ e.version = ENTRY_VERSION;
+ e.volume_valid = TRUE;
+ pa_cvolume_set(&e.volume, 1, pa_sw_volume_from_dB(db));
+ pa_channel_map_init_mono(&e.channel_map);
+ e.volume_is_absolute = TRUE;
+ e.volume_is_absolute_valid = TRUE;
+
+ key.dptr = (void*) ln;
+ key.dsize = (int) strlen(ln);
+
+ data.dptr = (void*) &e;
+ data.dsize = sizeof(e);
+
+ if (gdbm_store(u->gdbm_file, key, data, GDBM_INSERT) == 0)
+ pa_log_debug("Setting %s to %fdb", ln, db);
+ }
+ }
+
+ trigger_save(u);
+ ret = 0;
+
+finish:
+ if (f) {
+ pa_lock_fd(fileno(f), 0);
+ fclose(f);
+ }
+
+ if (fn)
+ pa_xfree(fn);
+
+ return ret;
+}
+
static void apply_entry(struct userdata *u, const char *name, struct entry *e) {
pa_sink_input *si;
pa_source_output *so;
@@ -872,6 +961,9 @@ int pa__init(pa_module*m) {
pa_log_info("Sucessfully opened database file '%s'.", fname);
pa_xfree(fname);
+ if (fill_db(u, pa_modargs_get_value(ma, "fallback_table", NULL)) < 0)
+ goto fail;
+
for (si = pa_idxset_first(m->core->sink_inputs, &idx); si; si = pa_idxset_next(m->core->sink_inputs, &idx))
subscribe_callback(m->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_NEW, si->index, u);
--
1.6.3.3
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