Merge "mpeg4/av1: Update the minimum size check for AV1 CSD"
diff --git a/media/extractors/mp4/MPEG4Extractor.cpp b/media/extractors/mp4/MPEG4Extractor.cpp
index 42bfc39..cd70869 100644
--- a/media/extractors/mp4/MPEG4Extractor.cpp
+++ b/media/extractors/mp4/MPEG4Extractor.cpp
@@ -4386,7 +4386,7 @@
 
         const uint8_t *ptr = (const uint8_t *)data;
 
-        if (size < 5 || ptr[0] != 0x81) {  // configurationVersion == 1
+        if (size < 4 || ptr[0] != 0x81) {  // configurationVersion == 1
             return NULL;
         }
         if (!strcasecmp(mime, MEDIA_MIMETYPE_IMAGE_AVIF)) {