diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 6c2cdf81748acfc594ada68d8c0587cbd7365b0e..f99f7ea6ad75807ab60b495920895abb08a11e07 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -1810,7 +1810,7 @@ static int decode_slice_header(H264Context *h, H264Context *h0){
     if(h->sps.frame_mbs_only_flag)
         s->height= 16*s->mb_height - 2*FFMIN(h->sps.crop_bottom, 7);
     else
-        s->height= 16*s->mb_height - 4*FFMIN(h->sps.crop_bottom, 3);
+        s->height= 16*s->mb_height - 4*FFMIN(h->sps.crop_bottom, 7);
 
     if (s->context_initialized
         && (   s->width != s->avctx->width || s->height != s->avctx->height
diff --git a/libavcodec/h264_ps.c b/libavcodec/h264_ps.c
index d1479289fbf93e0b271dd3cc23b1a15e94c1231d..876bcb2a43311228f7d1850e1f660ef9dfcc2f27 100644
--- a/libavcodec/h264_ps.c
+++ b/libavcodec/h264_ps.c
@@ -373,7 +373,7 @@ int ff_h264_decode_seq_parameter_set(H264Context *h){
         if(sps->crop_left || sps->crop_top){
             av_log(h->s.avctx, AV_LOG_ERROR, "insane cropping not completely supported, this could look slightly wrong ...\n");
         }
-        if(sps->crop_right >= 8 || sps->crop_bottom >= (8>> !sps->frame_mbs_only_flag)){
+        if(sps->crop_right >= 8 || sps->crop_bottom >= 8){
             av_log(h->s.avctx, AV_LOG_ERROR, "brainfart cropping not supported, this could look slightly wrong ...\n");
         }
     }else{
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 1a2de3a4cbc3b66a829a6c941ddc286ea20c20ed..9650066ceea1618b04982304d620cab83cc06b5c 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -498,7 +498,7 @@ av_cold int MPV_common_init(MpegEncContext *s)
 
     if(s->codec_id == CODEC_ID_MPEG2VIDEO && !s->progressive_sequence)
         s->mb_height = (s->height + 31) / 32 * 2;
-    else
+    else if (s->codec_id != CODEC_ID_H264)
         s->mb_height = (s->height + 15) / 16;
 
     if(s->avctx->pix_fmt == PIX_FMT_NONE){
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 4d13e0aa6eab43ad7a864d98997e769955e5010e..36918772c80231e48e0c09d1b427ed984639c430 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -140,7 +140,7 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height, int l
     case PIX_FMT_YUVA420P:
         w_align= 16; //FIXME check for non mpeg style codecs and use less alignment
         h_align= 16;
-        if(s->codec_id == CODEC_ID_MPEG2VIDEO || s->codec_id == CODEC_ID_MJPEG || s->codec_id == CODEC_ID_AMV || s->codec_id == CODEC_ID_THP)
+        if(s->codec_id == CODEC_ID_MPEG2VIDEO || s->codec_id == CODEC_ID_MJPEG || s->codec_id == CODEC_ID_AMV || s->codec_id == CODEC_ID_THP || s->codec_id == CODEC_ID_H264)
             h_align= 32; // interlaced is rounded up to 2 MBs
         break;
     case PIX_FMT_YUV411P: