diff --git a/libeplayer3-arm/container/mpeg4p2_ffmpeg.c b/libeplayer3-arm/container/mpeg4p2_ffmpeg.c
index 9b77542..ebcb959 100755
--- a/libeplayer3-arm/container/mpeg4p2_ffmpeg.c
+++ b/libeplayer3-arm/container/mpeg4p2_ffmpeg.c
@@ -26,12 +26,12 @@ static Mpeg4P2Context *mpeg4p2_context_open()
 	return context;
 }
 
-static void mpeg4p2_write(Context_t *ctx, Mpeg4P2Context *mpeg4p2_ctx, Track_t *track, int64_t start_time, int64_t *currentVideoPts, int64_t *latestPts, AVPacket *pkt)
+static void mpeg4p2_write(Context_t *ctx, Mpeg4P2Context *mpeg4p2_ctx, Track_t *track, int64_t start_time, int64_t *currentVideoPts, int64_t *latest_Pts, AVPacket *pkt)
 {
 	*currentVideoPts = track->pts = doCalcPts(start_time, mpeg4p2_ctx->ctx->time_base_out, pkt->pts);
-	if ((*currentVideoPts > *latestPts) && (*currentVideoPts != INVALID_PTS_VALUE))
+	if ((*currentVideoPts > *latest_Pts) && (*currentVideoPts != INVALID_PTS_VALUE))
 	{
-		*latestPts = *currentVideoPts;
+		*latest_Pts = *currentVideoPts;
 	}
 
 	track->dts = doCalcPts(start_time, mpeg4p2_ctx->ctx->time_base_out, pkt->dts);