diff -ur ffmpeg.orig/libavcodec/libx264.c ffmpeg/libavcodec/libx264.c
--- ffmpeg.orig/libavcodec/libx264.c	2008-03-25 16:34:49.000000000 -0700
+++ ffmpeg/libavcodec/libx264.c	2008-10-07 22:01:13.293938864 -0700
@@ -162,7 +162,11 @@
 
     x4->params.i_bframe = avctx->max_b_frames;
     x4->params.b_cabac = avctx->coder_type == FF_CODER_TYPE_AC;
+#if X264_BUILD > 62
+    x4->params.i_bframe_adaptive = avctx->b_frame_strategy;
+#else
     x4->params.b_bframe_adaptive = avctx->b_frame_strategy;
+#endif
     x4->params.i_bframe_bias = avctx->bframebias;
     x4->params.b_bframe_pyramid = (avctx->flags2 & CODEC_FLAG2_BPYRAMID);
     avctx->has_b_frames= (avctx->flags2 & CODEC_FLAG2_BPYRAMID) ? 2 : !!avctx->max_b_frames;
@@ -225,8 +229,10 @@
     x4->params.analyse.i_me_range = avctx->me_range;
     x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality;
 
+#if X264_BUILD < 65
     x4->params.analyse.b_bidir_me = (avctx->bidir_refine > 0);
     x4->params.analyse.b_bframe_rdo = (avctx->flags2 & CODEC_FLAG2_BRDO);
+#endif
     x4->params.analyse.b_mixed_references =
         (avctx->flags2 & CODEC_FLAG2_MIXED_REFS);
     x4->params.analyse.b_chroma_me = (avctx->me_cmp & FF_CMP_CHROMA);
@@ -251,7 +257,9 @@
     x4->params.rc.f_ip_factor = 1/fabs(avctx->i_quant_factor);
     x4->params.rc.f_pb_factor = avctx->b_quant_factor;
     x4->params.analyse.i_chroma_qp_offset = avctx->chromaoffset;
+#if X264_BUILD < 61
     x4->params.rc.psz_rc_eq = avctx->rc_eq;
+#endif
 
     x4->params.analyse.b_psnr = (avctx->flags & CODEC_FLAG_PSNR);
     x4->params.i_log_level = X264_LOG_DEBUG;