aboutsummaryrefslogtreecommitdiffstats
path: root/src/pcm_mix.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/pcm_mix.h')
-rw-r--r--src/pcm_mix.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/pcm_mix.h b/src/pcm_mix.h
index 10a07168f..0e58d01ee 100644
--- a/src/pcm_mix.h
+++ b/src/pcm_mix.h
@@ -22,6 +22,7 @@
#include "audio_format.h"
+#include <stdbool.h>
#include <stddef.h>
/*
@@ -37,8 +38,11 @@
* @param portion1 a number between 0.0 and 1.0 specifying the portion
* of the first buffer in the mix; portion2 = (1.0 - portion1). The value
* NaN is used by the MixRamp code to specify that simple addition is required.
+ *
+ * @return true on success, false if the format is not supported
*/
-void
+G_GNUC_WARN_UNUSED_RESULT
+bool
pcm_mix(void *buffer1, const void *buffer2, size_t size,
enum sample_format format, float portion1);