libavcodec/arm/mpegvideo_arm.c

   1 /*
   2  * Copyright (c) 2002 Michael Niedermayer
   3  *
   4  * This file is part of FFmpeg.
   5  *
   6  * FFmpeg is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * FFmpeg is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with FFmpeg; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 #include "libavcodec/avcodec.h"
  22 #include "libavcodec/dsputil.h"
  23 #include "libavcodec/mpegvideo.h"
  24 #include "mpegvideo_arm.h"
  25
  26 void ff_dct_unquantize_h263_inter_neon(MpegEncContext *s, DCTELEM *block,
  27                                        int n, int qscale);
  28 void ff_dct_unquantize_h263_intra_neon(MpegEncContext *s, DCTELEM *block,
  29                                        int n, int qscale);
  30
  31 void MPV_common_init_arm(MpegEncContext *s)
  32 {
  33     /* IWMMXT support is a superset of armv5te, so
  34      * allow optimized functions for armv5te unless
  35      * a better iwmmxt function exists
  36      */
  37 #if HAVE_ARMV5TE
  38     MPV_common_init_armv5te(s);
  39 #endif
  40 #if HAVE_IWMMXT
  41     MPV_common_init_iwmmxt(s);
  42 #endif
  43
  44     if (HAVE_NEON) {
  45         s->dct_unquantize_h263_intra = ff_dct_unquantize_h263_intra_neon;
  46         s->dct_unquantize_h263_inter = ff_dct_unquantize_h263_inter_neon;
  47     }
  48 }