diff --git a/libmpcodecs/vd_ffmpeg.c b/libmpcodecs/vd_ffmpeg.c
index 75c9da4bfe..006d8ba67b 100644
--- a/libmpcodecs/vd_ffmpeg.c
+++ b/libmpcodecs/vd_ffmpeg.c
@@ -60,14 +60,18 @@ static int lavc_param_workaround_bugs=0;
 static int lavc_param_error_resilience=-1;
 static int lavc_param_gray=0;
 static int lavc_param_vstats=0;
+static int lavc_param_idct_algo=0;
 
 struct config lavc_decode_opts_conf[]={
 #if LIBAVCODEC_BUILD >= 4611
-	{"bug", &lavc_param_workaround_bugs, CONF_TYPE_INT, CONF_RANGE, 0, 99, NULL},
+	{"bug", &lavc_param_workaround_bugs, CONF_TYPE_INT, CONF_RANGE, -1, 99, NULL},
 	{"ver", &lavc_param_error_resilience, CONF_TYPE_INT, CONF_RANGE, -1, 99, NULL},
 #endif
 #if LIBAVCODEC_BUILD >= 4614
 	{"gray", &lavc_param_gray, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_PART, NULL},
+#endif
+#if LIBAVCODEC_BUILD >= 4629
+	{"idct", &lavc_param_idct_algo, CONF_TYPE_INT, CONF_RANGE, 0, 99, NULL},
 #endif
 	{"vstats", &lavc_param_vstats, CONF_TYPE_FLAG, 0, 0, 1, NULL},
 	{NULL, NULL, 0, 0, 0, 0, NULL}
@@ -163,6 +167,9 @@ static int init(sh_video_t *sh){
 #if LIBAVCODEC_BUILD >= 4628
     avctx->fourcc= sh->format;
 #endif
+#if LIBAVCODEC_BUILD >= 4629
+    avctx->idct_algo= lavc_param_idct_algo;
+#endif
     
     mp_dbg(MSGT_DECVIDEO,MSGL_DBG2,"libavcodec.size: %d x %d\n",avctx->width,avctx->height);
     if (sh->format == mmioFOURCC('R', 'V', '1', '3'))
diff --git a/libmpcodecs/ve_lavc.c b/libmpcodecs/ve_lavc.c
index ea023dd68d..ea50094b44 100644
--- a/libmpcodecs/ve_lavc.c
+++ b/libmpcodecs/ve_lavc.c
@@ -86,6 +86,7 @@ static int lavc_param_rc_min_rate=0;
 static float lavc_param_rc_initial_cplx=0;
 static int lavc_param_mpeg_quant=0;
 static int lavc_param_fdct=0;
+static int lavc_param_idct=0;
 #if LIBAVCODEC_BUILD >= 4623
 static float lavc_param_aspect=0.0;
 #endif
@@ -167,6 +168,9 @@ struct config lavcopts_conf[]={
 #endif
 #if LIBAVCODEC_BUILD >= 4627
 	{"ildct", &lavc_param_interlaced_dct, CONF_TYPE_FLAG, 0, 0, 1, NULL},
+#endif
+#if LIBAVCODEC_BUILD >= 4629
+        {"idct", &lavc_param_idct, CONF_TYPE_INT, CONF_RANGE, 0, 20, NULL},
 #endif
 	{NULL, NULL, 0, 0, 0, 0, NULL}
 };
@@ -270,6 +274,9 @@ static int config(struct vf_instance_s* vf,
 #if LIBAVCODEC_BUILD >= 4621
     lavc_venc_context->dct_algo= lavc_param_fdct;
 #endif
+#if LIBAVCODEC_BUILD >= 4629
+    lavc_venc_context->idct_algo= lavc_param_idct;
+#endif
 
 #if LIBAVCODEC_BUILD >= 4625
     lavc_venc_context->lumi_masking= lavc_param_lumi_masking;