Remove pthreads patch, roll in new patches, disable unchecked bit readers.

libavcodec/h264_cabac.c

 /*
  * H.26L/H.264/AVC/JVT/14496-10/... cabac decoding
  * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
  *
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 /**
  * @file
  * H.264 / AVC / MPEG4 part10 cabac decoding.
  * @author Michael Niedermayer <michaelni@gmx.at>
  */
 
 #define CABAC 1
-#define UNCHECKED_BITSTREAM_READER 1
 
 #include "config.h"
 #include "cabac.h"
 #include "cabac_functions.h"
 #include "internal.h"
 #include "dsputil.h"
 #include "avcodec.h"
 #include "h264.h"
 #include "h264data.h"
 #include "h264_mvpred.h"
@@ skipping 2377 matching lines @@
     s->current_picture.f.qscale_table[mb_xy] = s->qscale;
     write_back_non_zero_count(h);
 
     if(MB_MBAFF){
         h->ref_count[0] >>= 1;
         h->ref_count[1] >>= 1;
     }
 
     return 0;
 }