Fix valgrind and asan memory leaks and crashes.

libavformat/utils.c

Index: libavformat/utils.c
diff --git a/libavformat/utils.c b/libavformat/utils.c
index d974ccd0cde8979c3311f20459d7791bb69edc6c..cb763043a51cc64c3fca1c9579ad298d51f3f1c3 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -33,6 +33,7 @@
 #include "libavutil/pixdesc.h"
 #include "metadata.h"
 #include "id3v2.h"
+#include "isom.h"
 #include "libavutil/avassert.h"
 #include "libavutil/avstring.h"
 #include "libavutil/mathematics.h"
@@ -2702,6 +2703,23 @@ void avformat_free_context(AVFormatContext *s)
         av_freep(&st->codec->extradata);
         av_freep(&st->codec->subtitle_header);
         av_freep(&st->codec);
+
+        MOVStreamContext *sc = st->priv_data;
+        if (sc) {
+            if (sc->keyframes)
+                av_freep(&sc->keyframes);

[rbultje1, 2012/02/08 23:51:56]

av_freep() does the if() internally, so no need for the if() here.

[DaleCurtis, 2012/02/09 04:03:28]

Done.

+            if (sc->stsc_data)
+                av_freep(&sc->stsc_data);
+            if (sc->sample_sizes)
+                av_freep(&sc->sample_sizes);
+            if (sc->chunk_offsets)
+                av_freep(&sc->chunk_offsets);
+            if (sc->stts_data)
+                av_freep(&sc->stts_data);
+            if (sc->drefs)
+                av_freep(&sc->drefs);
+        }
+
         av_freep(&st->priv_data);
         av_freep(&st->info);
         av_freep(&st);