audio_output: added function audio_output_is_pending()

The function audio_output_is_pending() returns whether there is a pending command. This is useful for output plugins as a break condition for longer loops.

audio_output: added function audio_output_is_pending()
c13e8b51 · Max Kellermann · de7cda1d · c13e8b51 · c13e8b51
Commit c13e8b51 authored Sep 29, 2008 by Max Kellermann
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output_api.c src/output_api.c +4 -0

output_api.h src/output_api.h +7 -0

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--- a/src/output_api.c
+++ b/src/output_api.c
@@ -31,3 +31,7 @@ void audio_output_closed(struct audio_output *ao)
 	ao->open = 0;
 }

+bool audio_output_is_pending(const struct audio_output *ao)
+{
+	return ao->command != AO_COMMAND_NONE;
+}
--- a/src/output_api.h
+++ b/src/output_api.h
@@ -27,6 +27,8 @@
 #include "log.h"
 #include "os_compat.h"

+#include <stdbool.h>
+
 #define DISABLED_AUDIO_OUTPUT_PLUGIN(plugin) const struct audio_output_plugin plugin;

 struct audio_output;
@@ -113,4 +115,9 @@ const char *audio_output_get_name(const struct audio_output *ao);

 void audio_output_closed(struct audio_output *ao);

+/**
+ * Returns true if there is a command pending.
+ */
+bool audio_output_is_pending(const struct audio_output *ao);
+
 #endif