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authorViliam Mateicka <viliam.mateicka@gmail.com>2009-03-02 18:39:43 +0100
committerMax Kellermann <max@duempel.org>2009-03-02 18:57:49 +0100
commit406b0403a5767387121875ab4b99de467492415f (patch)
treec136aa6cacd9f99d1456d3ae716e50e1a64c1cd1 /src/mixer_api.c
parent2f438e5d238840b96414079d17f1b56ab1fba9a5 (diff)
downloadmpd-406b0403a5767387121875ab4b99de467492415f.tar.gz
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mixer: adding code to optionally disable all hw mixers
Diffstat (limited to '')
-rw-r--r--src/mixer_api.c31
1 files changed, 28 insertions, 3 deletions
diff --git a/src/mixer_api.c b/src/mixer_api.c
index ec621950c..9dc3e3b09 100644
--- a/src/mixer_api.c
+++ b/src/mixer_api.c
@@ -19,13 +19,30 @@
#include <stdio.h>
#include <assert.h>
+#include <glib.h>
+
#include "mixer_api.h"
+#undef G_LOG_DOMAIN
+#define G_LOG_DOMAIN "mixer"
+
+static bool mixers_enabled = true;
+
+void mixer_disable_all(void)
+{
+ g_debug("mixer api is disabled\n");
+ mixers_enabled = false;
+}
+
struct mixer *
mixer_new(const struct mixer_plugin *plugin, const struct config_param *param)
{
struct mixer *mixer;
+ //mixers are disabled (by using software volume)
+ if (!mixers_enabled) {
+ return NULL;
+ }
assert(plugin != NULL);
mixer = plugin->init(param);
@@ -38,7 +55,9 @@ mixer_new(const struct mixer_plugin *plugin, const struct config_param *param)
void
mixer_free(struct mixer *mixer)
{
- assert(mixer != NULL);
+ if (!mixer) {
+ return;
+ }
assert(mixer->plugin != NULL);
mixer->plugin->finish(mixer);
@@ -46,12 +65,18 @@ mixer_free(struct mixer *mixer)
bool mixer_open(struct mixer *mixer)
{
- assert(mixer != NULL && mixer->plugin != NULL);
+ if (!mixer) {
+ return false;
+ }
+ assert(mixer->plugin != NULL);
return mixer->plugin->open(mixer);
}
void mixer_close(struct mixer *mixer)
{
- assert(mixer != NULL && mixer->plugin != NULL);
+ if (!mixer) {
+ return;
+ }
+ assert(mixer->plugin != NULL);
mixer->plugin->close(mixer);
}