diff --git a/ffmpeg.c b/ffmpeg.c
index 8dd9c08452..b82d2be398 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -2057,7 +2057,7 @@ out:
 }
 
 /* pkt = NULL means EOF (needed to flush decoder buffers) */
-static int output_packet(InputStream *ist, const AVPacket *pkt)
+static int process_input_packet(InputStream *ist, const AVPacket *pkt)
 {
     int ret = 0, i;
     int got_output = 0;
@@ -3340,7 +3340,7 @@ static int process_input(int file_index)
         for (i = 0; i < ifile->nb_streams; i++) {
             ist = input_streams[ifile->ist_index + i];
             if (ist->decoding_needed) {
-                ret = output_packet(ist, NULL);
+                ret = process_input_packet(ist, NULL);
                 if (ret>0)
                     return 0;
             }
@@ -3521,7 +3521,7 @@ static int process_input(int file_index)
 
     sub2video_heartbeat(ist, pkt.pts);
 
-    ret = output_packet(ist, &pkt);
+    ret = process_input_packet(ist, &pkt);
     if (ret < 0) {
         av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
                ist->file_index, ist->st->index, av_err2str(ret));
@@ -3687,7 +3687,7 @@ static int transcode(void)
     for (i = 0; i < nb_input_streams; i++) {
         ist = input_streams[i];
         if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
-            output_packet(ist, NULL);
+            process_input_packet(ist, NULL);
         }
     }
     flush_encoders();