http://devel.mplayer2.org/changeset/f5e0365c8e76e2ef797027134f1819e613764d7e/
http://devel.mplayer2.org/ticket/202
https://bugs.gentoo.org/show_bug.cgi?id=439604

Index: libmpcodecs/vf_lavc.c
===================================================================
--- libmpcodecs/vf_lavc.c	(revision db8cdc73e38c3490389212d94ae9b92dfddd5975)
+++ libmpcodecs/vf_lavc.c	(revision f5e0365c8e76e2ef797027134f1819e613764d7e)
@@ -74,9 +74,4 @@
     if (avcodec_open2(&lavc_venc_context, vf->priv->codec, NULL) != 0) {
 	mp_tmsg(MSGT_VFILTER,MSGL_ERR,"Could not open codec.\n");
-	return 0;
-    }
-
-    if (lavc_venc_context.codec->encode == NULL) {
-	mp_msg(MSGT_VFILTER,MSGL_ERR,"avcodec init failed (ctx->codec->encode == NULL)!\n");
 	return 0;
     }