From c4f267ab7570a66eea46a231ad10486c63cc4c68 Mon Sep 17 00:00:00 2001
From: Vitor Sessak <vitor1001@gmail.com>
Date: Sat, 20 Feb 2010 18:28:11 +0000
Subject: [PATCH] Free encoder extradata in avcodec_close(). Should fix several
 small memory leaks when encoding (at least for asv, wma and aac).

Fix also issue 1577.

Originally committed as revision 21923 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/utils.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 0b0c562deb..a66b85e9ad 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -685,6 +685,8 @@ av_cold int avcodec_close(AVCodecContext *avctx)
         avctx->codec->close(avctx);
     avcodec_default_free_buffers(avctx);
     av_freep(&avctx->priv_data);
+    if(avctx->codec->encode)
+        av_freep(&avctx->extradata);
     avctx->codec = NULL;
     entangled_thread_counter--;