output: set a GLib log domain

src/output_all.c

@@ -24,6 +24,9 @@
 #include <assert.h>
 #include <string.h>
 
+#undef G_LOG_DOMAIN
+#define G_LOG_DOMAIN "output"
+
 static struct audio_format input_audio_format;
 
 static struct audio_output *audio_outputs;

src/output_init.c

@@ -24,6 +24,9 @@
 
 #include <glib.h>
 
+#undef G_LOG_DOMAIN
+#define G_LOG_DOMAIN "output"
+
 #define AUDIO_OUTPUT_TYPE	"type"
 #define AUDIO_OUTPUT_NAME	"name"
 #define AUDIO_OUTPUT_FORMAT	"format"

src/output_thread.c

@@ -21,10 +21,14 @@
 #include "output_internal.h"
 
 #include <glib.h>
+
 #include <assert.h>
 #include <stdlib.h>
 #include <errno.h>
 
+#undef G_LOG_DOMAIN
+#define G_LOG_DOMAIN "output"
+
 enum {
 	/** after a failure, wait this number of seconds before
 	    automatically reopening the device */