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-rw-r--r--include/asterisk/frame.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asterisk/frame.h b/include/asterisk/frame.h
index 2f3c7851f..d7d895b25 100644
--- a/include/asterisk/frame.h
+++ b/include/asterisk/frame.h
@@ -267,6 +267,8 @@ extern struct ast_frame ast_null_frame;
#define AST_FORMAT_G726 (1 << 11)
/*! G.722 */
#define AST_FORMAT_G722 (1 << 12)
+/*! Unsupported audio bits */
+#define AST_FORMAT_AUDIO_UNDEFINED ((1 << 13) | (1 << 14))
/*! Raw 16-bit Signed Linear (16000 Hz) PCM */
#define AST_FORMAT_SLINEAR16 (1 << 15)
/*! Maximum audio mask */