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-rw-r--r--vpx/vpx_encoder.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/vpx/vpx_encoder.h b/vpx/vpx_encoder.h
index 885ca229f..0e4ed094d 100644
--- a/vpx/vpx_encoder.h
+++ b/vpx/vpx_encoder.h
@@ -32,7 +32,12 @@ extern "C" {
#define VPX_ENCODER_H
#include "vpx_codec.h"
+/*! Temporal Scalability: Maximum length of the sequence defining frame
+ * layer membership
+ */
#define MAX_PERIODICITY 16
+
+/*! Temporal Scalability: Maximum number of coding layers */
#define MAX_LAYERS 5
/*!\brief Current ABI version number