diff --git a/multimedia/av_codec/native_avcodec_base.h b/multimedia/av_codec/native_avcodec_base.h
index ad4822ea0adc44e798701a0d0f9a70f9366c79d0..4ef6120b6ee77cc22365a1100fea1fb56ecfb253 100644
--- a/multimedia/av_codec/native_avcodec_base.h
+++ b/multimedia/av_codec/native_avcodec_base.h
@@ -525,6 +525,10 @@ typedef enum OH_AVOutputFormat {
     AV_OUTPUT_FORMAT_DEFAULT = 0,
     AV_OUTPUT_FORMAT_MPEG_4 = 2,
     AV_OUTPUT_FORMAT_M4A = 6,
+    /** The muxer output amr file format.
+     * @since 12
+     */
+    AV_OUTPUT_FORMAT_AMR = 8,
 } OH_AVOutputFormat;
 
 /**