diff --git a/libavformat/cavsvideodec.c b/libavformat/cavsvideodec.c
index 1fa3aa5e92..b89851fbbb 100644
--- a/libavformat/cavsvideodec.c
+++ b/libavformat/cavsvideodec.c
@@ -28,7 +28,8 @@
 #define CAVS_UNDEF_START_CODE     0x000001b4
 #define CAVS_PIC_PB_START_CODE    0x000001b6
 #define CAVS_VIDEO_EDIT_CODE      0x000001b7
-#define CAVS_PROFILE_JIZHUN       0x20
+#define CAVS_PROFILE_JIZHUN       0x20       // AVS1 P2
+#define CAVS_PROFILE_GUANGDIAN    0x48       // AVS1 P16/AVS+
 
 static int cavsvideo_probe(const AVProbeData *p)
 {
@@ -50,7 +51,7 @@ static int cavsvideo_probe(const AVProbeData *p)
             if (code == CAVS_SEQ_START_CODE) {
                 seq++;
                 /* check for the only currently supported profile */
-                if (*ptr != CAVS_PROFILE_JIZHUN)
+                if (*ptr != CAVS_PROFILE_JIZHUN && *ptr != CAVS_PROFILE_GUANGDIAN)
                     return 0;
             } else if ((code == CAVS_PIC_I_START_CODE) ||
                        (code == CAVS_PIC_PB_START_CODE)) {
@@ -66,4 +67,4 @@ static int cavsvideo_probe(const AVProbeData *p)
     return 0;
 }
 
-FF_DEF_RAWVIDEO_DEMUXER(cavsvideo, "raw Chinese AVS (Audio Video Standard)", cavsvideo_probe, NULL, AV_CODEC_ID_CAVS)
+FF_DEF_RAWVIDEO_DEMUXER(cavsvideo, "raw Chinese AVS (Audio Video Standard)", cavsvideo_probe, "avs", AV_CODEC_ID_CAVS)