avcodec: make avcodec_close() more tolerant.

See previous commit.
2013-09-03 22:25:17 +02:00
parent 36cd017acd
commit 3e1f507f3e
3 changed files with 10 additions and 2 deletions
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -2398,7 +2398,12 @@ av_cold int ff_codec_close_recursive(AVCodecContext *avctx)

 av_cold int avcodec_close(AVCodecContext *avctx)
 {
-    int ret = ff_lock_avcodec(avctx);
+    int ret;
+
+    if (!avctx)
+        return 0;
+
+    ret = ff_lock_avcodec(avctx);
    if (ret < 0)
        return ret;