diff --git a/utils/MediaBase/src/FfmpegDecoder.cpp b/utils/MediaBase/src/FfmpegDecoder.cpp
index 8be9226..2d64073 100644
--- a/utils/MediaBase/src/FfmpegDecoder.cpp
+++ b/utils/MediaBase/src/FfmpegDecoder.cpp
@@ -146,13 +146,20 @@ void inline FfmpegDecoder::AVParseData(const void *data, const size_t &size,
     }
     uint8_t *frameData = (uint8_t *)data;
     size_t data_size = size;
+    size_t parse_size = 0;
     while (data_size > 0) {
+        if (data_size > 4096) {
+            parse_size = 4096;
+        }
+        else {
+            parse_size = data_size;
+        }
         int ret = av_parser_parse2(mParser,
                                    mCodecCtx,
                                    &mPacket->data,
                                    &mPacket->size,
                                    frameData,
-                                   data_size,
+                                   parse_size,
                                    AV_NOPTS_VALUE,
                                    AV_NOPTS_VALUE,
                                    0);