From c9594fe0fb6dd123fa25cb27fe5bc976ff3a9051 Mon Sep 17 00:00:00 2001
From: Justin Ruggles <justin.ruggles@gmail.com>
Date: Tue, 20 Mar 2012 15:36:28 -0400
Subject: [PATCH] avconv: free packet in write_frame() when discarding due to
 frame number limit

Fixes a memleak when using the -frames option with audio.
---
 avconv.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/avconv.c b/avconv.c
index affb87742e..9a3c75d59e 100644
--- a/avconv.c
+++ b/avconv.c
@@ -887,8 +887,10 @@ static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
      * reordering, see do_video_out()
      */
     if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
-        if (ost->frame_number >= ost->max_frames)
+        if (ost->frame_number >= ost->max_frames) {
+            av_free_packet(pkt);
             return;
+        }
         ost->frame_number++;
     }